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1987-2302114L AN ORDINANCE ACCEPTING THE BID FOR THE CONSTRUCTION OF A TURBINE WITH AUXILIARY EQUIPMENT FOR THE LAKE LEWISVILLE HYDROELECTRIC PROJECT, AWARDING A CONTRACT TO DOMINION BRIDGE-SULZER, INC , AUTHORIZING THE EXPENDITURE OF FUNDS THEREFOR, AND PROVIDING AN EFFECTIVE DATE WHEREAS, the City Manager has advertised for bids for the construction of a turbine with auxiliary equipment for the Lake Lew~svllle Hydroelectric Project, and WHEREAS, the City Manager having recommended to the City Council that the lowest and best bid is that of Dominion Brldge-Sulzer, Inc , NOW, THEREFORE, THE COUNCIL OF THE CITY OF DENTON HEREBY ORDAINS SECTION I That the bid of Dominion Brldge-Sulzer, Inc is hereby, zn all things, accepted SECTION II That the Mayor zs hereby authorized to execute the contract with Domlnzon Brldge-Sulzer, Inc , a copy of which is attached hereto arid incorporated herein PASSED AND APPROVED thzs the~'/ day of~ 1987 RAY ST~H/ENS,~ ATTEST APPROVED AS TO LEGAL FORM DEBRA ADAMI DRAYOVITCH, CITY ATTORNEY December 14, 1987 Mailed by Certifzed Nail City of Denton, Texas B&V Project 10 566 Lewisville Hydroelectric Project B~V File 62 0200 O0 Turbine Generator 14 0400 Dominion Bridge-Sulzer, Inc Denton Bid #97 35 555 Notre Dame Street Lachine, Quebec, 0anada HSB2B1 Attention Mr Thomas P Taylor Gentlemen Enclosed please find an executed copy of the above-referenced contract document which was approved by the Denton City Council on December 8, 1987 Also enclosed are five copies of page (GC-17/18) which are to be ~nitialed by you where the changes are indicated Please initial (both sides) three copies of this page, retaining one copy, sending one to Black and Veatch and returning three copies to us for our records We are looking forward to working with you on this project Best,regards, R E Nelsdn, Executive Director Department of Utilities gcr cc Black & Veatch- copy of Letter plus one origmnal executed contract Denton City Secretary- copy of letter plus one original executed contract Administration files- copy of letter plus one original executed contract Legal Department- copy of letter plus copy of revmsed page Enclosure Specifications & Documents Cmty of Denton, Lewisville Hydroelectric Project, Turbine Generator, B~d #9735, Specification 10566 62 0200, Contract #10566 62 0200 5193U 3 DOMINION BRIDGE-EULZER INC. C PIP 0 Box 555 Lachine OuGbec Canada HSS 4E7 T~l~phone (514) 634 3551 Telecop~er (5t4) 636-8588 January 6, 1988 C~ty of Denton Department of Utilities Denton, Texas 762O1 USA Attention Mr R E Nelson SUBJECT LEWISVILLE HYDROELECTRIC PROJECT DB-S CONTRACT 720-110 DENTON BID #97 35 B&V PROJECT 10 566 Gentlemen, We acknowledge receipt~ with thanks, of the executed contract documents for the referenced project We enclose three Initialed copies of page (GC-17/18) and are sending one copy to Black & Veatch with a copy of this letter We are pleased to advise you that Hr H (Hike) Lar~vl~re has been appointed Contract Administrator for this proJect Please direct all communications to DB-S to his attention Hr H (Herb) Overbury has been appointed Project Engineer Please feel free to contact him directly on matters of a technical nature We thank you again for your valued order and look forward to a successful project Yours sincerely, T P Taylor, En~g Hanager - Sales Energy Division TPT/rel cc Black & Veatch 1500 Headow Lake Parkway . Kansas City. Missouri 64~1~ Attn Mr David Guyot SPECIFICATIONS AND DOCUMENTS CITY OF DENTON, TEXAS LEWISVILLE HYDROELECTRIC PROJECT TURBINE GENERATOR BID NUMBER 9735 SPECIFICATION 10566 62 0200 CONTRACT 10566 62 0200 CONTRACT ISSUE DOMINION BRIDGE SULZER, INC 555 Notre Dine Street Lachine, Quebec, Canada HSS 2B7 BLACK & VEATCH Engineere-Architects Kansas City, Missouri 1987 DgNTON,t CTEIC ~ROJECT 02~0 ~ ~ ~ ~o~ ~2~.o~oo ~ , OF~ CONT~T8 ~ ~ ~ Pa~e~ thru ~ ~ ~ BC-1 GC-~ 0C-18~ J ~A-1 1A-Il ' Specifications lB-1 1B-28 ,~ lC-1 lC-9' ~ ~ ~ ~ 1D-1 1D-2 ~t 1DI-1 1D1-8 h 2A-1 2A-18 '~ ~ ~ 2~-1 2B-10~ 1056~ TU~INE ~G~: 62.0200 ] Pa~e t:h~ Page 2C-1 2C-3 :a=ton System 2E-~ 2E 16 gqu~pm~m~ 2F-1 2F-2 ~e~r pocket) 2 sheets ~ B-1 B-7 D-1 D-30 TURBINE G~ 62 0200] CONTRACT AGREEMENT THIS CONTRACT AGREEMENT, made and entered into this 1st day of December, 1987, by and between the City of Denton, Texas, Party of the First Part and hereinafter called the "Owner," and DOMINION BRIDGE-SULZER, INC , a Canada corporation with its principal office in Lachine, Quebec Canada, Party of the Second Part and hereinafter called the "Contractor," WIT~ESSETH THAT WHEREAS, the Owner has caused to be prepared, in accordance with the law, specifications, plans and other contract documents for the work as herein specified, and WHEREAS, the said Contractor has submitted to the Owner a Proposal in ac- cordance with the terms of this Contract Agreement, and WHEREAS, the Owner, in the manner prescribed by law, has determined and deciared the aforesaid Contractor to be the lowest and best bidder for the said work and has duly awarded to the said Contractor a contract therefor, for the sum or sums named in the Contractor's Proposal, a copy thereof being attached to and made a part of this Contract Agreement, NOW, THEREFORE, in consideration of the compensation to be paid to the Contractor and of the mutual agreements herein contained, the parties to these presents have agreed and hereby agree, the Owner for itself and its successors, and the Contractor for itself, himself, or themselves, or its, hie or their successors and assigns, or its, his or their executors and administrators, as follows ARTICLE I That the Contractor shall furnish fob the Owner's Lewisville Hydroelectric Project site the turbine generator and services complete as specified and required in accordance with the provisions of the contract documents, which are attached and made a part hereof, and shall execute and complete all work included in and covered by the Owner's official award of this Contract Agreement to the said Contractor ARTICLE II That the Owner shall pay to the Contractor for the work and mat~ri~l~-embraced in this Contract Agreement, and the Contractor will accept as full compensation therefor, the sum (subject to adjustments as provided by the contract) of ONE MILLION THREE HUNDRED FIFTY-EIGHT THOU- SAND NINE HUNDRED SEVENTY AND NO/100 U S DOLLARS (U S $1,358,970 00) for all work covered by and included in the contract award, designated in the foregoing Article I, payment to be made in cash or its equivalent in the manner provided in the specifications attached hereto [DENTON 10566 TURBINE GEN 62 0200] [ 111987 ] CA-1 ARTICLE III That time of completion is a basic consideration of the Cont~a~t-~reement, and that the Coatractor shall proceed with the spec- ified work and shall confo~ to the specified schedule IN WITleSS ~iEREO~, the parties hereto have executed this Contract Agree- m-~nt~aa of the day and year [irst above ~ritten CIT~ OF DENTON, TE~S (S~L) W R Strub, Executive V~ce-Presldent & General Manager Attest A~torney~ ~er [DENTOIq 10566 TURBINE GEN 62 0200] CA-2 r..'~o[, ALL ~ BY TF, ESE That, DOMINION BRIDGE-SULZER INC /ENERGY OIVISlO~ (hessian=er c~lle~ ~he P~nc!pal), as PrOc!pat, an~ FEpERAL INSURANCE COMPANY , a co~ora:=on or,an!zed its pr~ct~ai o~f~cm ~n =ha Ci~ of WARREN, NEW JERSEY , (hermin- af=er ~lled ~he Sure~), as Sura~, are bald and [~7 bound uncm CO~C~ (he=~tar ~lled the Oh~ee), ~ the ~: uf ONE MILLION THREE HUNDRE[ FIFTY-EIGHT THOUSAND NINE HUNDREDSEVENTY~ S. DO~ (~ S $1,358,970 O~, [c LE~ISVILLE HYDEOELECT~IC PEOJECT SUPPLY ONLY OF TURBINE ~ITH AUXILIAEY E~UIPHENT ~ch coucracc ~s Earaby rafa~a~ co a~ ~da a parc baraoc as ~u~17 ~o Chh s~a ~CanC as ~ cop~ad ac launch hara~ ~kau shall he vo2~, a~Ba~e ~o ~ ~ ~u~ ~arcm and affect. a~ancia~., a~d all 1.:Labi!:L~!as o~ ~:his bo~ sfla.Ll ba ~a~a~a~ amca ~i~ ~he p~ovisio~s of said A=:!~a ~o ~a s~e a~:a~ as if i: warm co~iad a~ length ha~a~ a~d saaia~ ~hls ins~mam~ ~his 2N~h ~av ~ NOVEMBER , / ~(Z~ Carpa~a~n) W R Strub, Executive Vice-President ~ General Dominion Br~dge-Sulzer Inc (SEAL) Manager FEDERAL INSURANCE COMPANY This bond ~s void ~f the contract date above ~s later than December 15, 1987 [ o3o88~ PB-Z STATUTORY P~Y~I~5~ BO\~D PURSUA~\"T IO T~S ~V~$~ CIVI~ STATICS, ~N~ , ~T 5~60 NO 8113-22-81 (MC ~EGOR A~ --~L~LIC WO~S) (Penal~% oz chis Bon~ zusc be [007 oz Cone:ac: Awar~) K~NOW ALL I~'~ BY THESE That, DOMINION BRIDGE-SULZER INC /ENERGY DIVISION (hers!nafts~ called the Pr!n¢!pal), as ~r~nc!pal, en~ FEDERAL INSURANCE COMPANY , a corporac!on un,er =he laws of the S=a=e of NEW JERSEY , with the City of WARREN, NEW JERSEY , (hereinafter calls4 the ~u=et~), as ~urm~, arm held an~ ~t~y beun~ unto CI~ OF D~ON, T~ AC~G the Obll~me), In tbs a~un= uf ONE MILLION THREE HUNDRED F~FTY-EIGHT THOUSAND NINE HUNDRED SEVENTY~ S DO~ (U.S $ 1,358,970 00 ), for =he ps.mn= whereof, ~P=~cipal an~ Su~a~ b~ ~ha~elves, LEWISVILLE HYDROELECTRIC PROJECT SUPPLY ONLY OF TURBINE WITH AUXILIARY which cone:acc ts hereby ~efe~a~ Co an~ ~da a parc hereof as ~117 and co the s~ extant as ~f cop~a~ ac lansCh ~OW, ~FO~, t~ CO~ZTION OF ~ OBLIVION IS SU~, chac ~f Che sai~ P:~ncipal shall pa7 all c!a~-ucs suppLT~S labs= and ~ca- c~al CO h~ or a subcancracco= ~ ohm prosecution of ohm vock prov~a~ for ~ sa~ conCracC~ then, Chis obliSacion s~ll =a~ ~ full fo=ce an~ [DID'TON 10566 T~INE GEN 62 0200] [ 022786 ] P%OVIDED, ~0%EVEK, that thzs bond is execu:ad pursuant to the a~sn~e~, an~ a~ liabi~ic!es on this bo~d sha~l be deca~lned in ac- Z~ ~Z~S~ ~E~EOF, the sa!~ P=incipal and Suracb have signed an~ seale~ ~h~s lnsC~men~ chis ~ ~ay of N~v~ , [9~ (Zf Zn~ivi~l Fi~) BY (S~L) (s~) / (Z~ Co~oa) Domln,on Brid~le-Sulzer Inc (S~&J.) Manager P:iz~cipal FEDERAL INSURANCE COMPANY // YFNE PELLAND, Attorney-in-fact Counters~j~/~ / ~ B R C~o'denough - Res%debt/gent FRED/S JAMES & CO OF TENS, INC ~j~Tht$ bond is void ~f the contract date above ~s later than December 15, 1987 [D~r~ON 10566 TURnZNE GEN 62 02001 PYB-Z POWER OF ATTORNEY Know all Men by theeo Presents That the FEDERAL INSURANCE COMPANY 15 Mountmn View Road Warren New Jersey a New Jersey Corpora {~on has conshtuted and appointed and does hereby constitute and appoint Pater Lemberg, Yvonne Pelland, Lisa Assaf and Andre Lebrun of Hontraa]., Quebec, Canada ......................................................... each ~ts true and lawful Attorney in Fact to execute under such designation in its name and to affix its corporate seal to and deliver for end on its behalf as surety thereon or otherwise bonds of any of the following classes to-wit Bonds and Undertakings filed in any suit matter or preoeedlng in any Court or filed w~th any Shenff or Magistrate for the doing or not doing of anything spembed ~n such Bohd or Undertaking 2 Surety bonds to the United States of America or any agency thereof including those required or permitted under the laws or regulabons relabng to Customs or Internal Revenue iLIceneo and Permit. Bonds or other indemnity bonds under the laws ordinances or regulations of any Stele City Town Village Board or other body Or organization public or private bonds to Transportation Companies Lost Instrument bonds Lease bonds Workers Compensa hon bonds M;eosllar~eous Surety bonds and bonds on behalf of Notaries Public Sheriffs Deputy Sheriffs and s~mdar public ofhc~ale 3 Bonds on behalf of (~ontractors in connection with bids proposals or contracts corpolate seallo be herald affixed this ]. J~t day ol Ja~tuar¥ ~9 87 ALICE LEONARD N°ta~"~ubhc cEn'r~F~ca'hoe I~I'ARY PUDUC 0F flEW STATS OF NEW JERSEY '~ as My ConlnlllllOff Expires .lunl 28 / 24th November C enundermyhandandlhesealolsaldCoh~parlyatWarren NJ this dayof BASIS 0__F CONTRACT BC 1 GENERAL This Basis of Contract covers certain designated stipula- tionS agreed upon for the Turbine Generator from Dominion Bridge-Sulzer, Inc , based on their Proposal dated April 1, 1987, including supplements thereto, and Specification 10566 62 0200 Other negotiated stipulations have been incorporated into the text of Conformed Contract 10566 62 0200, as appropriate, and identified as noted herein under Contract Delineations The Pricing and Proposal Data portions of the Contractor's Proposal are bound in the Appendix of these Contract Documents Wherever in the Con- tract Documents references to "Contractor's Proposal," "prices stated in the Proposal," "info~mation included in the Proposal," or other similar references are made, such references shall apply to the Contractor's Proposal except as such Proposal has been modified or superseded by this Basis of Contract BC 1 1 Contract Delineations Wherever the wording in the Contract Documents ia marked out by crosshatches, such wording does not apply but has been deleted, modified or replaced by accepted items of the Contrac- tor's Proposal exceptions including negotiated revisions Wherever the wording in the Contract Documents is underscored with a dashed line, such wording has been added to the text in accordance with accepted items of the Contractor's Proposal exceptions including negoti- ated revisions The above changes have been identified by an asterisk (*) placed in the left margin of the page and a corresponding footnote at the bottom of the page BC 2 SCHEDULE The Schedule for this Contract specified in Arti- cle lA 6 4 shall be determined based on the Award of Contract date of December 1, 1987 BC $ CONTRACT PRICE The Contract Price is a firm lump sum amount of $1,358,970 O0 U S BC 4 MATERIALS The Contractor's standard materials as stated in Pro- posal Data Pages D-9 through D-30 may be used in lieu of those specified [DENTON 10566 TURBINE GEN 62 0200] [ 111987 ] BC-1 "Day" or '*days,*' unless herein otherwise expressly de- fined, shall mean a calendar day or days of 24 hours each **The work" shall mean the equipment, supplies, materi- als, labor, and services to be furnished under the con- trac~ and the carrying out of all obligations ~mposed by the con~ract documents "Drawings" or "plans" shall mean ell (a) drawings fur- niched by the Owner aa e basis for proposals, (b) sup- pleuentary drawl, nas furnished by the ~er co c~ar~fy ~d Co defoe ~n S~ea~e~ deca~ the ~n~enc of the con- c~ac~ d~a~Ss and specifications, (c) d~a~nSs submit- ced by the successfu~ b~dde~ ~h h~s proposal, provided such d~a~n$s are acceptable ~o the ~er, (d) dra~ngs run,shed by the ~er Co the Con~rac~or during chp profTess of the work, and (e) engineer,sS dace and draw- ~nss submitted by ~he Conc~accor dur~ns ~he progress o~ ~he work, provided such dra~n$s are acceptable co ~he Eu~nee~ ~enever in chase conCrac~ documents the words "as ordered," "as directed," "as requited," etas pe~cced," "as all--d," o~d8 oF phrases of like i~or~ are used, iC shall be ~de~scood cha~ the order, di~ec~ion, Fequir~nC, pe~selon, or all--ce of ~he ~pr or ~sineer is incased on12 ~o the ex~enC of Judging c~- plante ~h the Ceos of the conc~ac~, none o~ ~hese Ce~ 8hX1 ~ly the ~r or ~he Engineer ha ~y auchoric2 or respo~ibilicy for 8upe~lsiou of the Con- CTa~o~e8 forces or consC~c~ion opera,ions, such super- vision and the sole responsibilic7 therefor being strictly resoled ~or the Contractor Similarl7 ~he words "approved," "reasonable," "8ui~able," "acceptable," "proper," "saCisfac~orT," or words o~ like e~ecC and i~or~, unless oChe~se par~icularl7 speci- ~ied herein, shll mean approved, reaso~ble, suitable, acceptable, proper, or sacisfac~ow in the Jud~uc of ~he ~er or Engineer, co the exCen~ provided in (10) above ~euever in ~hese contract doc~enCs the e~ression "i~ is understood and agreed" or an expression of like ~- por~ is used, such e~ression means the ~cual under- standing and agreeuen~ o~ the par~ies executing the ConCrac~ Agreement, 10566 TURBIIqE Gglq 62 0200] 030885 GENERAL CONDITIONS GC 1 CONTRACT DOCUIdL~S IC is understood and agreed chac the Adver- cisamen~, Ins~rucCions co Bidders, Proposal, Proposal Dace, Contract Agreement Performance and ?avmenc Bonds, General Conditions, Spacing- cations, Drawings, Addenda, and Change Orders issued by the Owner or the Engineer, and specifications and snginaerinB dace ~urnished by the Con- tractor and accepted by the O~ner, are each included in chis Contract end the work shall be done in accordance therewith GC 2 DEFINITIONS Words, phrases, or ocher expressions used in chase contract documents shall have meanings as 1 'Contract" or "contract doc~ncs" s~ll ~nclude the ~Cem embraced above under CON~ACT DO~TS 2 "~r" l~ll mean the City of Denton, Texas n~ed and desi~aCed in the Contract A~re~mnc aa "Party o~ First ParC," acting through ica ~blic U~ili~les Board and City Council and chair duly authorized asante Ail noCicas~ letters, and ocher co~nicaCion directed co the ~e~ shall be addressed and delivered co City of Denton, Texas, Municipal Buildins, 215 Eaac ~Kinney, DenC~, T~ 76201 3 "Concraccor" 8hll mean the co~oracion, c~an7, par=ne~ship, fi~, o= individual ~ued and desis~ced in ~he C~C=ac= Asree~n= as ~ha "Party of the Second Parc," who has entered ~co chis Contract for the perfomnce of the work c~eTed chereby, and i~s, his, or chair duly auChorized representatives "Subcontractor" shall mean and refer only =o a co~ora- caen, partnership, o= individual havins a direct con- crate with the Contractor for parleying work covered by chess concrete dec.enOs 5 "Engineer" shall mean the fi~ of Black & Veacch, Knglnee~s-~chiCec~s, 1500 Head~ Lab Par~ay, ~ilins address P 0 Box 8~05, Kansas City, ~issouri 6~111, or ica duly authorized a~enCs, such agents the scope of the par~icula~ duties encysted each case 6 "Dace of concrete," or equivalen~ words, shall dace ~C=en in the first paragraph of the Coucrac~ Agree~nc [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] GC ~ LEGAL ADDP~SSES The business address of the Contractor listed in the Proposal is hereby designated ss the place to which all notices, rets, and other com,~unication to the Contractor w~ll be mailed or deliv- ered The address ~f the Owner appearing on Page GC-1 is hereby designated as the place to which all notices, letters, and other communication to the Owner shall be mailed or delivered Either party may change his ad- dress at any time by an instrument in writing delivered co the Engineer and to the other party GC S SCOPE A~D INTE"k~ OF CO~EACT DOCUMENTS The various parts of the contract documents are in--tended to supplement but not necessarily dupli- cate ~ach other Any work exhibited in one part and not in another shall he executed as if it had been set forth in all parts, so that the work will be performed according to the complete design as determined by the Engineer Should anything necessa~ for a clear understanding of the work be omit- ted from the contract documents, or should the requirements appear to be in conflict, the Contractor shall secure ~itteu instructions from the Engineer before proceeding with the work affected thereby It is under- stood and agreed that the work shall be performed according to the true intent of the contract documents GC 6 II~D~ENDENT COIT~ltACTOI[ The relationship of the Contractor to the O~uer shall be that of an in~ependent contractor ~C 7 ASSXGI~t~E~T The Contractor shall not assign the work, or any part thereof, without the previous w~itten consent of the O~aer, nor shall he assign, by power of attorney or otherwise, any of the money payable under this Cun~racX unless ~ritten consent of the O~msr has been obtained No right un,er this Contract, nor claim for any money due or to become ~ue hereunder shall be asserted against the O~aer, or persons acting for the Owner, by reason of any so-called assignment of ~his Contract or any part thereof, unless such assignment has been authorized by the written con- sent of the O~ner In case the Contractor is permitted to assign moneys due or to become due under this Contract, the instrument of assignment shall' contain a clause subordinating the claim of the assigrae to all prior liens for services rendered or materials supplied for the perform- ance of the work GC 8 O~AL gTATEHE~TS ~t is understood and agreed that the ~rritten te~ms ~n"~-provisions of this agreeaent shall supersede all oral state- mants of representatives of the ~er, and oral statements shall not be effec,tive or be construed as being a part of this Contract GC 9 EEI~E~CE STA~DAItDS Eeference to the standards of any technical society, or$anisation, or association, or to codes of local or state [DEITIO~ 10566 Tt,'RBZItE GE~I 62 0200] [ o o 85 ] 13 "Official acceptance" shall mean the O~mer'e acceptance of all work perfo=med under chis Contract. based on the En$ineerts final inspection and issuance of a final payment cercificaCe "SCare-up" shall mean cbs time period required Co bring the hydroelectric generacin$ unic from an inactive condition, when consc=ucCion is essentially complece. co the scats ready for commercial operacion The sCare-up period shall include pre~iminat~/ ~nspecc~on and checkout of equipment and supporting subsystems. C~a~ ope~ac~on of supporting equ~pmenc and subsystem. tn~c~ operation of Che complete hydroelectric aC~n~ un~C. operation of the c~plece un~C co obCa~n dace. pe~fo~ ca~b~ac~on and co~eccSve wo~k. and shucdo~ ~nspecC~on and ad~uac~uC p~ior Co obCa~n~nS cm~c~a~ operates status "~n~c~ operation" sha~ mean the f~sC ~nCes~a~ op- e~aC~on of che c~eCe hydroelectric ~ene~aC~n~ ~t ~ch subsysce~ a~ suppo~C~n~ e~p~nc ~n sa~ce available fo~ se~ce 16 "C~c~ operation" aha~ mean che c~dLC~ou of op- e~aC~on ~n~ch the c~eCe hyd~oeXecc~c ~ene~aC~ng un~c ~s officially declared by the ~r Co be available ~o~ continuous operaC~on ac variable loads up co and ~nc~ud~n~ ~aced 17 ~P~o~ecc S~Cev~ o~ ~oba~ces~ s~ mean the o~Ce of che ~e~s Le~e Eyd~oe~ecc~c P~o~ecc and a~ ad~acenc che~eCo where any ~k ~a ~equ~ced Co be perused ~n c~necC~on v~ch the c~sC~cC~on of such p~o~ecC GC 3 ~C~ON O~ CON.CT Fou~ cop~en of the conc~acC be p~epa~ed by the Engineer A~ cop~es v~ be submitted co che Con- c~accor ~nd the Couc~cco~ s~ execuCe the Couc~acc A~eemenc. execuced c~es of the ~equ~ed bonds ~d po~ of aCCo~ey~ ~nd submit · ~ cop~es co the ~e~ ~e dace of conC~acC on the c~c~acc and bond dace on the p~er of aCco~e~ sha~ n~so be ~efc b~ank fo~ ~ng ~n by ~e ~e~ ~11 execute all copies, insert the dace o~ conc~acC om the b~ds and p~e~ o~ aCco~ey, and ~eCu~ all copies Co the Engineer review and distribution DiscribuCion of signed copies will be one copy each co the ~er. Concracco~. Surety. ~d En~inee~ [DE~O~ 10566 TUrBinE GE~ 62 0200] [ 030885 ] GC-3 furnish c~! reasonable assistance required by the Engineer, or inspectors, ~or ~he proper inspection o£ the ~ork Should ~he Con~rac~or object an~ interp~etation o~ the con,race by an inspector, ~he Contractor may make tw~iccen appeal to the Enslneer ~or a decision ~nspectors shal~ have the authori~ ~o re~ecC work which is unsacis~ac- torys faulty, or defective or does not confor~n to the requirements of the contract documents Inspection shall not relieve the Contractor obli~ation to cone~ruc~ the work strictly in accordance with the contract documents and shall not be deemed co limi~ any rishcs or remedies of the O~me~ or Ensinecr at law or in equity 6C l~ COITI'RACTOIt DEFAULT ~f the work to be done under this Co~tract is abandoned by the Contractor, or if this Contract is assigned by ou~ ~he ~Ceu consent of the ~er, or ~f the Contractor ~s adjudged b~k~pc, or if a seneral assi~enC of his assets is ~de for the bane- [i~ o~ his crediCors~ o~ if a receiver is appointed for ~he Contractor or any of his proper~y, or if a~ any time ~he Engineer cer~i~i~s in ~i~ing ~o the ~er ~ha~ ~he per~o~nce of ~he work under ~his Con~rac~ is be- ing unnecessarily delayed, ~ha~ the Contractor is viola~ins any of ~he cond!Cions o~ ~his Contract, or ~haC he is executing the s~e in bad faith or oche~se hOC in accordance wi~h cbs ~e~s of said con~rac~, or if the work is no~ subs~aneially c~pleced within ~he c~ n~ed for i~s c~ecion or ~chin the c~e co which such c~le~ion da~e ~ be ex- tended, then c~ ~er ~ se~e ~ic~en no,ice upon ~he Con~rac~or and his sure~y of ~he ~er's in~en~ion co ce~ina~e ~his Con~rac~ Unless ~h~ ~ days a~ar ~he se~in~ of such no,ice, s sa~is~ac~o~ a~anse- men~ie ~ for cou~in~nce, chis C~racc shall Ca~i~Ce In ~he even~ of such ~e~Ci~, the sure~y shall have ~he right ~o ~ake over ~d a~le~e the ~rk, provided C~c if the sure~y does no~ c~enca per- fo~uce ~hin 30 days, the ~er ~y ~ake over and prosecute ~he work ~o c~lecion, by con~rac~ or oche~se ~e Con~rac~or and his surety shall be liable Co the ~er for all excess cos~ sustained by the ~er b2 reason of such prosecution and comple~ion ~e ~er ~v take posses- sion of, a~d u~ilize in c~plecing ~he work, all ~terials, equipment, ~ools, and plan~ on ~he si~e o~ ~he work CC 1~ HX~CES ~ DE~YS The Com~racCor expressly asrees ~hac undercakins ~o c~e ~he work within ~he ~e specified, he ~s ~de allow~ces for all hindrances and delays ~hich mish~ usually be e~ec~ed ~o occur in perfo~ns ~he ~rk No cla~ s~ll be ~de by ~he Contrac- tor for such hindrances and delays I~ ~he Contractor e~eriences hindrances and delays which, in his opinion, are hoc usually ~o be e~ec~ed in ~he per[o~ce of ~he work and which af~ee~ the perfo~nce o~ ~he work, he ~y reques~ a change In ~he con- ~rac~ Such hindrances and delays ~y include, buC no~ be limited ~o, ac~s or failure ~o ac~ by ~he ~er or ocher contractors employed by the [OElrfO~ 10566 TUItBZIfE GEN 62 0200] [ o3o885 ] GC-6 authorities, shall mean the latest standard, code, specification, or tentative standard adopted and published ac the date of taking bids, unless specifically stated otherwise GC 10 SOURCE O.~F MATERIALS To the extent possible, materials and equip- ment (including components thereof) furnished under these specifications shall be produced, processed, manufactured, and assembled within the United States of America Substitution of forei8n materials for domestic materials will not be ps,mitred unless such substitution is clearly stated in the Proposal and accepted by the Owner Should cbs Contractor's manu- facturing facilities he located in s count~ other than the United States, the Contractor can supply materials and equipment from these facilities However, for auxiliar~ equipment purchased by the Contractor, the initial provision of chis article shall apply GC Il NO WAIVER OF RIGHTS Neither the inspection by the O~ner or En$i- near or-~nyo-'~"~--~h~ro'~'~'~ials, employees, or asante, nor any order by the Owner or En$ineer for payment of money, or any payment for. or accept- ante of, the whole or any parc of the work by cha Owner or Engineer, nor any extension of rime. nor any possession taken by the Owner or ica ployee8, shall operate as a waiver of any provision of chis Contract. or of any power h~rein reserved to the O~ner. or any rishc co damages herein provided, nor shall any waiver of any breach in this Contract be held co be a waiver of any ocher or subsequent breach GO.12 AUTHORIT~ OF TI~ ~lqGIN~ To prevent delays and disputes, and to discourage licisa~oa-'~'iC is agreed by the parries to chis Contract that the Engineer slmll deCemine the quantities of work which are co be paid for under the contract and shall decenn~.ne all questions Zn relation to th work. If in the opinion of the Contractor or the Owner a decision made by the Engineer is not in accordance w~th the meanin$ and intent of the =ontract. either party ~y file with the Engineer and the other par~v to the con- tract, within 30 days a~ter receipt of the decision, a ~itter ob~ectio~ to the decision Failure to ~lle an ob~ection within the allotted time will be considered acceptance of the En$1neer~s decision and ~he decisior shell become final and conclusive The Kngineert8 decision and the filing of the v~itcen ob~ecCion thereto shell be a condition precedent to the rlSht to request arbitration or start action in court Ic is the intent of this agreement th~c there shall be no de,ay in the execution o~ the vork and the decision of the Engineer as rendered shall be promptly observed GC 13 ELqC~h~ER~NG ~HSPECT~OH The O~mer may appoint (either directly or through the En$ineer) such inspectors as the O~uer deems p~oper to inspect the vork ~or compliince with the contract documents The Contractor shall [D~rroN ~0566 T~RBZ~E GE~ 62 0200] [ 022786 ] GC 1811 Cancellation Charges Based on the Schedule of Cancellation Cherses submitted with the Contractor's proposal and asrsed to by the Owner~, the following terms and conditions shall apply in the event the Owner exercises its right to cancel In the event that cancellation occurs prior to the agreed lecest start date for engineering, cancellation charges shall not apply and the O~ner shall incur no liabilities In the event that cancellation occurs after release for engineering, but prior to the latest start dace for procurement of raw materials, cancel- lacion charges shall nsc exceed the maximum charge quoted for engineer- ing, provided the Contractor has submitted complete certified manufactur- er's drawings and associated engineering data If such engineering work and submittal of drawings are not complete at the tine of cancellation, the maximum charge quoted will be prorated Co reflect the quantity of such vork actually conplated In the event chat cancellation occurs after release for procurement of rav naterials, buc prior to the latest scare date for shop fabrication and ~ssembly, cancellation charges shall not exceed the maximum charse quoted for engineering or prorated aa specified in the previous para- graph, plus a prorated ~unC for procurement of raw uterials nsc to exceed the maximum charge quoted for such materials In the event chac cancellation occurs after the latest dace for start of shop ifabricetiou, cancellation charges shall not exceed the maximum charges quoted for engineering and procurement of ray materials, plus a prorated amount for shop fabrication based on the a~unc of shop fabri- cation york eonpleted to the dace of cancellation If cancellation ia exercised by the Owner, the Contractor shall take the actions specified herei~hefore, and the final charges shall not exceed the charses quoted in the Schedule of Cancellation CharBas stated in the Contractor's proposal GC 19 ~ODIFICATION$ The Contractor shall modify the work whenever so ordered by the Owner and such modifications shall not affect the validity of the contract ~odificaCions may involve chanBes in the amount of the vorklto ba performed or changes in the contract time for which appropri- ate changes co Cha contract will bs made Contract changes due Co modifications shall be made in accordance with the requirements of Article GC 20, CI~AI~GES TO THE COI~TRACT GC 20 CIL~I~GE$ TO TItE COntRACT The contract may be changed only by duly executed chan$e'~rders issued by the Owner [DEI~'TOIq 10566 TIIR~INE GEI~I 62 0200] [ 030885 ] GC-8 Owner, fires, floods, labor disputes, epidemics, abnormal weather condi- tions, or aces of God Claims by the Contractor for any chanss in the contract due Co such hindrances and delays shall be made in accordance with the requirements of Article GC 20, C~GES TO THE CONTRACT The Contractor shall uss ell reasonable means co minimize the sxtsnc of the delay GC 16 SUSPENSION O_~FWOKK The O~mer reserves the rishc co suspend and reinstate execution of the whole or any part of cbs work without invali- dacinS cbs provisions of the contract Suspension or rstnstatsmenC of the work will be by ~rriCten notice Co the Contractor from the Owner Suspension of ~ork shall not automatically entitle the Contractor Co ad- ditional compensation or a chanse in ~ha contrac~ time, however, the tractor rill be reimbursed for real and unavoidable direct costs incurred by him as a result of such suspension and/or ~he contract will be sxCsndsd as required co compensate for any delay due co such suspension Claims by the Contractor for change of contract time or au adjustment of the con- Crao~ price, due co ~ork suspensions ordered by ~hs O~nar shall be made in accordance rich the requirements of Article GC ~0, CH~NGES TO THE TRACT The Contractor shall usa all reasonable means to mini~zs the consequsncs~ of such suspension GC 17 DELAYED SHIPHEI~T The O~uer reserves the rish~ Co order the Con- Crac~or co delay sh~pmen~ of squilmenC and materials herein contracted [n ~he event such a delay is ordered by the O~ner in~r~in$, the O~ner ~ll pay the Contractor rmasonabla and proper extra charEss incurred by the Contractor as a result of the delay Such ex~ra char~ss shall clude storage charges, handl2n$ char~sa, insurance, lncares~ on invest- ~emt, and transportation charges to the storage GC 18 CANCELLATION OF~ORK Tbs 0~ner reserves the right co cancel the unshipped portion of the work by givens written not2ca co the Contractor ~n the evsnt of cancellation, the O~mer w~ll pay ~he Contractor cancella- tion costs as specified in Article CC 18 ~ Cancellation of the york shall hoc const2cuce the basis for a claim for d~gas or loss of anticipated profits The Contractor shall, after consul~ation with the O~msr, take all reason- able steps to min:f~izs the cos~a related ~o cancslla~iou The Contractor shall provide the O~ner with an accounting of costs clawed, including adequate suppor~lns information, and the Omlar may, aC les expanse, audio the clawed costs and supportins in,or,melon In no event shall cancellation charges plus the su~ of all previous pay- manta exceed the contract price [DENTON 10566 TURBINE C~N 62 0200] [ 030885 ] CC-7 applicable unic price Otherwise, such work shall be paid for as herein- after provided Contract price chanses /or modiflcaCions involvin$ extra york vii1 be based on agreed lump sums or on asreed unit prices whenever the O~mer and the Contractor agree upon such prices before the exCra work is sCarced, ocher~lse~ pa~nents for extra work will be based on scCual direct cost plus a percentage allowance The percencage allowance shall includp the Contractor's extre profit and extra overhead, and unless och- cruise esreed by the Contractor and the O~ner the percentase allowance shall be 15 percent of the cocal direct cost For the purpose of deteminin$ whe=her proposed extra work will be au- thorized, or for de=e~lnins the pa~enc method for extra work, =he Con- =rac~or s~ll subuiC Co ~he EnSinee~, upon request, a de~ailed cos~ esCi~Ce for proposed ex~ra wor~ ~e eaSts-Ce shall indicate itemized quan~i~ies and c~rses for all elements of direc~ co8~ and a percen=a8e · llowance co cover extra profit and ex=re overhead Unless oche~se a~reed upon by the Con~racCor and the ~er the percentage allowance ohll be 15 percen~ of =he total direc~ cost GC 20 I 2 Decreased Price If a chanse in che cone=ac= price is re- quired due ~o a ~difica~ion ~ich decreases che ~ounC of work, such decrease shall no~ c~sCicuCe =ha basis for a clah for dmses or an- ~lcipa~ed profits on ~Tk if~ec~ed by such decrease ~ere the value of ~icced ~rk Lo usc covered by applic8ble vni~ prices, the Ensineer shall de~e~ine on an equi~able basis ~he ~un~ of (a) credi~ due the ~er for c~rac~ work as a reful~ of an authorized chn8e, (b) ~he Cone=actor for ~y accel loss incurred in con~ec~ion ~h ~he pur- chase, deliver, and subsequent disposal of quired for use on the ~rk as planned and which could nsc be used In any par~ of the work ss locally built, and (c) any o~her ad]usCuen= of =he conCrac= ~o~ where =he ~c~d co be used no~ clearly defined in che conCrac= documen=s GC 20 2 Con=fac= ~ime Chanses ~e contras= ~ime work nodifica~ions~ hindrances and delays, and work suspensions over which the ConC=ac~or has no control GC 21 ~I~TI~ Before bring/nS any action tn court pertaining Co a decision of ~h~ ln~in~er~ or cla~, dispute, or other ~Ccer in question between the ~er ~nd C~CracCor arisins ouc of, or relating Co the Con- trace DocmnCs or che breach thereof, the ob]ecCor (herei~fcer referred Co as Percy A) shall first offer co arbitrate the question with Che ocher percy Co the contract (hereinafter referred co as Percy B) by noClfying h~ in ~iCins and seCCins forth in such notice the question co be arbi- trated 10566 TURBINE G~I 62 02001 030885 GC-IO Ii, in the opinion of the Owner or the Contractor, any event or action by the ocher party Justifies a change in the contract, either party shall initiate with the other party, within 5 days after such event or action, a request for a change to the contract All documentation required to substantiate the proposed change shall be submitted within a minimum rea- sonable time after initiating the request for change Upon ~he parties reaching agreement resarding the proposed change, the O~ner will issue a written change order therefor botwithstanding the foregoing provisions requiring duly authorized change orders, in the evenC agreement has been reached between authorized repre- sentatives of the parties regarding the change in the contract pandin$ processing of such change order, the Contractor shall proceed with the work on the basis of written interim authorization from the Owner If the Contractor claims that any instruction, request, drawing, speci- fications or other directive or action of the Owner or the Engineer constitutes a change in the contract, but has not been authorized as such by a change order in writing by the Owner, the Contractor shall immedi- ately request a written interim authorization and proceed without delay to perform the work in accordance with such authorization The Contrac- tor shall provide written notice of the claim or dispute to the Engineer and the Owner within 5 days of the request for interim authorization The Contractor's failure to give said written notice within the 5 day period shall constitute a waiver and relinquislment of any such claim or dispute The O~ner'e written interim authorization shall not constitute approval of the claim for increased or decreased work, but shall be · condition precedent to the Contractor's right to receive payment for such work and to the Contractor's right to prosecute or ~aintain any proceed- ing to recover for such work GC 20 1 Contract Price Chan~es The contract price msy be changed due to modifications which involve extra work or decreased work, or due to work suspensions, hindrances, and delays over which the Contractor has no control Claims for changes in the contract price shall covform to the requirements specified herein GC 20 I i Increased Price If a change in the contract is required due to work suspensions or hindrances and delays, the contract price will be increased according to agreed lump sums, agreed acceleration costa, or other demonstrable costa submitted by the Contractor and substantiated to the satisfaction of the O~rner If a change in the contract price is required due to a modification which increases the amount of the work, and the added work or any part thereof is of a type and character which can properly and fairly be classified under one or more unit price items of the contract, then the contract price will be increased according to the ,~ount actually done and at the [DENTON 10566 TURBINE (~'~ 62 0200] o3ogs$ ] GC 25 ~L~TE~IALS ~ EqUZI~EHT Unless spscSficall! provided ocherS, se · ~n each case, all uacer~a~s and equipment run,shed for pemnenc ~nsca~- hC~on ~n the york sh~l confo~ co applicable scandard 8pec~f~caC~ons 8nd s~ be nev, unused, and undamped co.orated ~n the work No such the Contractor for any purpose ocher than chac ~ncended sT specified, up- less such use ~s specifically auchor~zed by the ~er ~n each case GC 26 ~ ~e Contractor guarantees C~C the york here~n con- crested ~11 be as specified and ~1 be free frou defects in des~, voT~neh~p, and uCe~ls If ~chin the ~aranCee per~od the vo~k fa~is Co ~eC the prov~e~s of chis ~aranCee, the C~craccor pr~pc~ correct any defects, ~nclud~nK nonconfomnce ~ch the contract docents by ad~usCMnC, repair, or replacement of all defective parCs or ~e ~T~Cee pe~od oha~ bes~n on the dace o~ ~na~ pa~uc oz the dace o~ ~n~c~a~ opeFaC~on, ~cheve~ ~s ~aceF, and sh~ end 12 ~nChs ~aceF If n-~ufacCu~e~s f~e~d ~ep~esencac~ves a~e ~nc~uded ~n the contract, such se~ces sha~l be fu~ished by the ConCracCoT v~chouc cost for the cor~ecCLou of any defects ~is ~rancee oh1~ be extended co cover aL1 repairs and replac~encs fu~Lehed ~d~r the ~raucee ~d the period of the ~r~Cee for each such repaLr or replacmuC shL1 be o~ yea~ afCer ~nsca~1acton or c~- ~e C~craecor ~L~ be siren an opportunity co che d~fecC ~C he ehL1 usc delay the correct,on ~e M~K such deter- If v~Ch~n 10 days afCe~ the ~er has notified the ConCracCo~ of a defect, fa~luTe~ or abno~cy ~n the york, the Contractor uke the necessary repairs o~ ad~usCmenC~, the ~er ~s hereby authorized co ~ke the repairs or ad~us~ncs or co order the york co be done by a ch~rd percy, the cost of the ~rk Co be pa~d by the Contractor In the ~euC of an e~rSency ~ere. ~n the ~ud~euc of oho ~e~, de,ay ~uLd cause serious Loss or dmse, r~pair8 or adJus~ncs uy be ~de by the ~eT or a ch~rd percy chosen by the ~er ~ch~c advance noc~ce the C~cTaccor a~ the coeC of the ~k sh~l be paid by the Contractor, or by the oureCy ~C 27 IHS~CE ~cepc as oChe~se specif~ed ~n chis Contract, the Contractor ~d h~s subcontractors of any cter ~ be required ac cheer o~ e~ense Co u~nca~n in effect aC all C~es dur~ns [DENTON 10566 TI,Vt~Z. NE GEN 62 0200] [ o~oea5 ] ~-~2 Party B can elect arbitrate or not If Party t ~rees to arbitrate, he shall so advise Party A in writing within 10 days after receipt of Party A's notice Notice by Party B that he does not wish to arbitrate, or failure of Party B to notify Party A within the I0 day period, will give P~rty A the right to start action in court If Party B agrees to arbitrate, the arbitration proceeding shall be gov- erned by the Construction Industry Arbitration Rules or Commercial Arbi- tration Rules of the American Arbitration Association as appropriate for the matter to be arbitrated The award rendered by the arbitrators shall be final, and Judgment may be entered upon it in any court having Juris- diction The Contractor shall not cause a delay of the work during any arbitration proceedings, except by agreement with the Owner It is understood and agreed by the parties to the contract that no requirement or statement herein shall be interpreted as curtailing the power of the Engineer to determine the amount, quality, and acceptability of work GC 22 LAWS AND REGULATIONS The Contractor shall observe and comply with all ordinances, laws, and regulations, and shall protect and indem- nify the Owner and the Owner's officers and agents, including the Engi- neer, against any claim or liability arising from or based on any viola- tion of the same *GC 23 TAXES, PEP. MITS, AND LICENSES State and local taxes and fees for_p~rmfts or licenses will be for the No State of Texas or loca~ taxes will be required on the equipment furnished under these specifications CC 2~ PATENTS Royalties and fees for patents covering materials, articles, apparatus, devices, equipment, or processes used in the work, shall be included in the contract amount The Contractor shall satfsf7 all demands that may he made at any time for such royalties or fees and he shall be liable for any damages or claims for patent infringements The Contractor shall, at his own cost and expense, defend all suits or proceedings that may be instituted against the Owner for alleged infringe- ment of any patents involved in the work and, in case of an award of dam- ages, the Contractor shall pay such award Pinal patient to the Contrac- tor by the 0~ner will not he made while any such suit or c~aim remains unsettled *Negotiated Revision [DENTON 10566 TURBINE GEN 62 0200] [ ~987 ] GC-ll Certificates of insurance coverins physical loss or damase to equipment and ~atarials shell be sub~tted at least 30 days before the first ship- merit of the equipment and materials A certificate for each of the other insurance policies shall be submitted at least 30 days prior to the ex- pected arrival of the Contractor's personnel at the site of installs=ion CC 27 2 Additional Insureds All insurance coverages fur~ished under this Contract shall include the O~ner, the En$ineer, and their officials, partners, directors, officers, agents, and employees as additional insureds with respect to the activities of the Contractor and his subcontractors These policies shall contain a "cross liability" or "severability of in- terest'' clause or endorsement Notwithstanding any other provision of these policies, the insurance afforded shall apply separately to each insured, named insured, or additional insured with respect to any claim, suit, or Jud~nent made or brousht by or for any other insured, named insured, or additional insured as chough a separate policy had been issued to each, except the insurer's liability shall no~ be increased beyond the amount or amounts for which the insurer would have been liable had only one insured been nmued The ~er or =he Ensineer shall hoc by reason of =heir inclusion under chess policies incur liablllcy ~o =he insurance carrier for paten= of premi~ for chess polic2es CC 27 3 Waiver o~ Subro~aC~on ~e Concrac~or and his subcon=rac~ors s~11 require ~heir insurance ca. Ears, with respect co all ~nsurance policies, =o waive all ri~hcs of subrosacion asains= ~he ~er and che ~neer, chair perchers, dirsccors, officers, asante, and ~loyees and a~ainsC ocher c~rac~ors a~ subconCraccors ~ 27 4 Wor~en~s C~ensa=~on an~ E~lo~er's Liabil2c[ ~is insurance s~ll pro~ec= the ConCracCor and che additional insureds asains= all claims under applicable s~a=e wor~en's compensa~ion laws ~e insureds shall also be pro=ec~ed aSains= claims for injury, disease, or deaCh of employees which, for any reason, ~y hOC fall wi=bin =he provisions of a wor~en~s compensation law ~is policy shall include an "all states" endors~enC ~e l~bElicy l~-~s s~ll no~ be less chan Wor~en's c~ensa=ion Sca=uCo~ ~ployer's liabil2~y $100,000 each occurrence ~ 27 5 Com~rehensive Au~obile ~ ~is insurance shell be ~iCCeu in c~prehensEve foTM and shall protect ~he Contractor and =he additional insureds asainsC all claims for injuries =o members of [DENTON 10565 TURBINE 6E~ 62 0200] [ 030gSS CC-I& the work insurance coverages with limits not less than those set forth below with insurers and under forms of policies satisfactory to the Own- er It shall be the responsibility of the Contrac:or to maintain ade- quate insurance coverage and to assure that subcontractors are adequately insured ac all times Failure of the Contractor to maintain adequate coverage shall no= relieve him of any contractual responsibility or obl!- The requirements specified herein as to types, limits, and Owner's ap- proval of insurance coverage to be maintained by the Contractor and his subcontractors ars not intended to and shall not in any manner limit or qualify the liabilities and obligations assumed by the Contractor and his subcontractors under this Contract Any insurance carried by the Owner or the Engineer which may be applica- ble shall be deemed to be excess insurance and the Con~ractor's insurance primary for all purposes despite any conflicting provision in the Con- tractor's policies to cbs contrary If the Contractor does hOC furnish onsita field services, the workmen's compensation and employer's liability, comprehensive automobile liabili- ty, comprahsusive Sahara1 liability, and umbrella liability insurance specified herein may be omitted For insurance purposes, the ti=la of ownership of equipment and materials furnished under this Contract shall remain with the Contractor until the Owner receives such equipment and materials at the Jobsi=a GC 27 1 Carc~ficates of Insurance The Contractor and h~s subcontrac- tors shall furnish the--Owner and the Engineer with cartif~cates of insur- ance as evidence chat policies providins the required coverages and lha~ts of insurance are in full forts and effect The cer~ificates shall provide that any company issuing an insurance policy for the work under this Contract shall provide not lees than 15 days advance notice in writ- ing to the Owner and the Engineer prior to cancellation, termination, or mater~al change of any policy of insurance In addition, the Contractor shall immediately provide written notice =o the O~mer and Engineer upon receipt of notice of cancellation of an insurance policy or a decision co terminate or alter an insurance policy Ail certificates of insurance shall clearly state thac all applicable requirements have been satisfied Cartif~cates of insurance for Contractor- and subcontractor-furnished in- surance and notices of any cancellations, tarminations~ or alterations of such policies shall be mailed to the Owner and the Engineer at the ad- dresses listed ~n Article GC 2 Each certificate shall quote the insuring agreement and all exclusions and additions as they appear in the policy, or in lieu of certif~cates, copies of the complete policy may be subm/tted [DENTON 10566 TURBINE GEN 62 0200] [ 030885 ] Owner and Engineer and their officials, officers, directors, partners, consultants, agents, and employees from and against all claims, damages, losses, and expenses, direct, indirect, or consequential (including but not limited to fees and charges of engineers, architects, attorneys, and other professionals and court and arbitration costs) arising out of or resulting from the performance of the work by the Contractor, any subcon- tractor, any person or organization directly or indirectly en~loyed by any of them to perform or furnish any of the work or anyone for whose acts any of them may be liable, regardless of whether or not it is caused in part by a party indemnified hereunder or arises by or is imposed by law and regulations resardlase of the negligence of any such party In any and all claims against the Owner, or the Engineer or any of their officials, officers, directors, partners, consultants, agents, or employ- ees by any employee of the Contractor, any subcontractor, any person or organization directly or indirectly employed by any of them to perform or furnish any of the work or anyone for whose acts any of them may be lia- ble, this indemnification obligation shall not he limited in any way by any limitation on the amount or type of damages, compensation, or bene- fits payable by or for the Contractor or any such subcontractor or other person or organization under workers~ or workmen's compensation acts, disability benefit acts, or other employee benefit acts, nor shall this indemnification obligation be limited in any way by any limitation on the amount or type of insurance coverage provided by the Owner, the Contrac- tor, or any of his subcontractors GC 29 RELEASE OF LIABILITY Acceptance by the Contractor of the last payment shall be a release to the Owner and every officer and agent thereof, from all claims and liability hereunder for anything done or furnished for, or relating to the work, or for any act or neglect of the Owner or of any person relating to or affecting the work GC 30 CLAIMS FOR LABOR AND MATERIALS The Contractor shall indemnify and save harmless th-~--Owner from all claims for labor and materials fur- nished under this Contract When requested by the Owner, the Contractor shall submit satisfactory ~vidence that all persons, firms, or corpora- tions who have done work or furnished materials under this Contract, for which the Owner may become legally liable, have been fully paid or satis- factorily secured In case such evidence is not furnished or is not satisfactory, an amount will be retained from money due the Contractor which in addition to any other sums that may be retained will be suffi- cient, in the opinion of the Owner, to liquidate all such claims Such sum will be retained until the claims as aforesaid are fully settled or satisfactorily secured *GC B1 PAYMENTS Payments, e~ressed in percentages of the total Con- tract v~ll F. m~d~_~_o-the-C~n~r~c~o~ ~c~o~in~o-tKe-f~l~o~t~g ~c~e~u!e_o~ milestones Event Payment Submission of Certified 45 d~y 57 - *Negotiated Revision [DENTON 10566 TURBINE GEN 62 0200] [ 111987 ] GC-16 public and damage Co properry of ochers ariein$ from the use of motor ve- hicles, and shall cover operation on or off the sics of ell motor vehicles l~censed for highvay use, vhecher they are o~med, nonovued, or hired The liability l~nics shall nsc be less than Bodily injury and $500,000 combined single property d~m-$e l~nic each occurrence C,C 27 6 Coupreheueive General Liability This ~nsurance shall be Can in comprehensive form and shall protect the Contractor end the ciouaL ineureds against al1 claims arising from bodily injury, e~cknese, dLsease, or danch of any person ocher Chart the Coucreocores employees or dmmiSe co property of the O~mer or ochers sris~n$ ouC of any acc or omission of the Contractor or h~s eaenCs, employees, or subcoucrncCors This policy shal! also include protection asninsc cla~s~ insured by usual personal inJur~ liabiL~y reverses, · #protective l~abiliCy" endorsement co insure the contractual liab~licy assumed by the Contractor under the article entitled ZNDE~IqZFICAT~ON, and "Completed Operacinus and Produces L~ab~licy" coveraee (co remain in force for 2 years a£cer f~nal payaenc) The l~ab~l~y lt~cs shall no~ bo less than. Personal injury and $~00,000 combined einele property a~ee l~c each occurrence and $500,000 aggra$aca GC 27 7 Uubrella Ltabil~c~ Pol~c~ This insurance shall proCecc che ConCraccor and the addicinna~ ~neureds aSninec all claque in excess of the 3~cs provided under Che employer's l~ab~licy, comprehensive auCo- uobile l~lbilicy, and comprehensive seueral liabiliry policies The ~ab~l~cy limtcs of the umbrella l~abll~cy policy shall nsc be Lees than ~C 27 8 Transportation ~nsurance Th~s insurance shall be of the "all risks*' type end shall procure Che ConcracCor and the Ov~er from al1 ~neurabLe risks of physical Lose or damage Co equipment and uaceriaLs in transit Co che ~oha~Ce and until Cha Ovner receives the equ~puenc and uaceriaLs aC cha Johaice The coverage amounc shall be nsc less than the full anounc of Cha concracc TransporCaCinn insurance shall provide for losses co be payable co the ConCraccor and the Ovner ae their ~nCereoce nay appear. GC 28 ~DD~qlFICAT~ON To the fullest exCenc peru~cced by Lave and res- uLacione, the ConCracCor shall defend, indemnify, and hold haru~eee the [DENTON 10566 T~BZIqE GEN 62 0200] [ o30885 ] CC-IS · GC,32 LIlilTATIOH 0Y LIABZLIT~ l~either Contractor ~ incidental or consaquantSal da~aas~Or ~or claims b~ Fu :hemora, :he s~ of an and all liquidated da~Bee& aspr~idad for * Event ,Payment -dr--a -nSs !5! D_e_liv_e~y_to_ o_it_e_of_ e_ub_ed_de_d Rat-t! Delivery of turbine stay r"in-sTdi8 t-- "~b u-t o'-~-a 8-8 ~ab'=l 25_~ Dal:f,.vmr~ of tu~b:l.nm _ru_nnar D_el_iv_et~_ _o_t sen_er_at_or !0~_ _ac£eitano_e !o! _All Ea~__..ut_s_vi_l_l be in US dollars aud are net 30 days a£ter Presentation _of_i_uv_oi_e 8_ ............................ After otiicial approval and acceptance o~ the ~ork by the 0~er, the $inesr will be authorized to prepare a final certi~icate st the work dons under this Contract The final certificate will be submitted to the 0~ner within 10 days after its preparation has been authorized The Owner will, within 30 days thereafter, pay the entiro sun found to be due 8~ter de- ductin~ all amounts to be retained unde~ any p~ovision of this Contcact If for a cause beyond the control st the Contractor the Owner does nsc give official approval and acceptance of the work within 365 day8 after shipment of equipment and uterials is completed, the final payment be made aa stipulated above providing the equipment and materials are in accordance with the contract documents aa ~ar as can be determined GC 31 I Cost Breakdmm Prior to final palment, the Contracto~ shall furnish ~h-'~-*O~ner a cost breakdown of the final contract price by retire- mant units in accordance with the system of accounts ~urnished by the 0~mer The 0vner's syste~ of accounts has been designed in conformance with the unifom aysteu of accounts prescribed by the Federal Energy ReS- ulatory Co~m~ ~sion eNegotiated Revision 10566 TURBINE GEl( 62 0200] [ 111987 ] GC- 17 lA 3 MISCELLANEOUS MATERIALS AND SERVICES Miscellaneous materials and services not otherwise specifically called for shall be furnished by the Contractor in accordance with the following All nuts, bolts, gaskets, special fasteners, backing rings, etc , between components and equipment furnished under these specifications All piping integral to or between any equipment furnished under these specifications, except as otherwise specified All necessary connections for the Owner's piping and instru- Foundation anchor bolts, plates, and sleeves, including design Ail necessary instrument, power and control wiring and raceways integral to any equipment furnished under these specifications This shall include terminal blocks and in- ternal wiring to these terminal blocks for equipment re- quiring external connection Coupling guards for all exposed shafts and couplings Finish painting of all equipment Leveling blocks, soleplates, thrust blocks, matching blocks, and shims Field office furnishings, supplies, telephone service, and equipment for the manufacturer's technical service represen- Erection drawings, prints, information, instructions, and other data for use by the Owner's erection contractor Detailed storage requirements and lubrication requirements (including frequencies) for use by the Owner's erection con- tractor All special tools or lifting lugs for offloading The use of all special tools required for erection of the equipment, exclusive of the maintenance tools specified to be furnished under Section ib Erection tools shall remain the property of the Contractor and all shipping costs to and from the Jobsite shall be at the Contractor's expense [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] lA-2 Section lA - GENERAL DESCRIPTION AND SCOPE OF THE WORK lA 1 ~ENERAL This section covers the general description, scope of the work, and supplementary requirements for equipment, materials, and serv- ices included under these specifications The equipment and materials covered by these specifications will be in- corporated in the Lewisville Hydroelectric Project located at the outlet works of Lewisville Reservoir near Lewisville, Texas The unit is sched- uled for initial operation by October i, 1988 and commercial operation by October 25, 1988 lA 2 WORK INCLUDED UNDER THESE SPECIFICATIONS The work under these specifications shall include furnishing fob at the Lewisville Hydroelec- tric Project site, the turbine generator and associated equipment and providing miscellaneous materials and services complete as specified here- in and in accordance with the contract documents defined in Article GC 1 of the GENERAL CONDITIONS All equipment and materials required for a complete turbine generator unit shall be furnished, except as specified otherwise in these specifications The equipment and materials to be furnished shall include, but not neces- sarily be limited to, the following major items Turbine Synchronous Bypass Valve Controller Speed Increaser Generator Excitation System Neutral Grounding Equipment Switchgear Control System The equipment will be tested by the Ovmer after erection to demonstrate its ability to operate under the conditions and fulfill the guarantees as set forth herein If the tests indicate that the equipment fails to meet guaranteed performance, the Contractor shall make additional tests and modifications in accordance with the procedures stated in the article en- titled GUARANTEE of the GENERAL CONDITIONS and the requirements specified in the article entitled PERFORMANCE TESTS in Section 2A The Contractor shall provide drawings and other engineering data, manu- facturer's field services, tools, instruction manuals, reco-.-anded spare parts list, miscellaneous materials and services, and shall participate in design conferences, all as specified herein [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] lA-! The manufacturer's technical service representatives shall furnish writ- ten certification to the Owner that the equipment has been inspected and adjusted by them or under their direction and that it is ready for ser- vice, all of which shall be done before initial operation of the equip- mere The duties of manufacturer's technical service representatives may in- clude, but may not be limited to, the following a Providin$ technical advice to assist the erection con- tractor in installing the equipment InspectinE and testing the equipment after installation and directing any changes or adjustments required to assure proper operation Providin$ technical direction during startup and ini- tial operation of the equipment d Directing the correction of any design or manufacturin$ · InstructinE the Owner's personnel in the operation and maintenance of the equipment f Providin$ services required as a condition to providing the warranties and guarantees specified The lump sum prices stated in the Proposal shall include 60 days of ser- vice and six round trips to the site for the field service represent- ativee, to provide the services specified under Items (a), (b), (c), and (f) above If the number of days of service and/or the number of round trips actually required under Items (a), (b), (c), and (f) are more or less than the specified quantities, the contract amount will be creased or decreased in accordance with the adjustment prices for manu- facturer's technical services stated in the Proposal When, in the Judgment of the Engineer, field service representative's time is required under Stem (d) above solely and expressly for the purpose of correcting design or manufacturing errors, no payment will be made, nor will the time spent at the site while correcting such errors apply coward the days of service or round trips specified for Items (a), (b), (c), and (f) above When additional field service representative's time is required by the Owner under Stem (e) above, the per diem rates for service time plus the rate for each round trip will be paid in accordance with applicable ad- Justment prices for manufacturer's technical services as stated in the Proposal, unless covered by the Training Program [DENTON 10566 TURBINE GEN 62 0200] 022786 ] lA 4 WORK NOT INCLUDED UNDER THESE SPECIFICATIONS The following items of work will be furnished by the Owner Unloading and field erection of all equipment Motor controls and starters not otherwise specified to be furnished under these specifications Foundations Grouting materials and the placing thereof Permanent electric wiring to connect equipment terminal boxes to the plant electrical system Lubricants for operation Solvents and cleaning materials Operating personnel for startup and tests lA 5 CONTRACTOR'S SERVICES The services called for in WORK INCLUDED UNDER THESE SPECIFICATIONS shall be in accordance with the following lA 5 1 Submittal of Engineering Data Drawings and other engineering data for the specified equipment and materials are essential to the design and subsequent construction of the entire project The Contractor will be required to submit drawings and engineering data in accordance with the schedule and requirements specified herein to as- sure compliance with the overall construction and operating schedule The Contractor shall allow for a reasonable amount of time for mailing, processing, and Engineer's review o£ drawings and data in his Engineering Schedule and Procurement/Production/Shipping Schedule lA 5 2 Manufacturer's Technical Services The Contractor shall furnish the services of one or more manures technical service representa- tives The service representatives shall be technically competent, fac- tory trained, experienced in the installation and operation of the equip- ment, and authorized by the manufacturer to perform the work stipulated The Contractor shall also furnish the field services of direct represen- tatives of the manufacturers of the switchgear, control switchboard, and auxiliary equipment which has rotating parts, or which may require field inspection and adjustment to assure proper operation [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] iA-3 lA 6 1 Activity Periods and Dates The time periods and dates listed in the Schedule of Activities indicate the latest dates by which the listed activities shall be completed Data, drawings, and lists for planning, engineering and documentation may be submitted earlier than the indicated dates at tile Contractor's option lA 6 2 Engineering Schedule The Contractor shall submit a schedule for engineering associated with the equipment being provided Such schedules shall be updated and submitted by the first of each month until comple- tionloi the engineering effort lA 6.3 Procurement/Production/Shipping Schedule The Contractor shall submit a detailed proourement/production~g schedule for the equip- mentland materials not late~ than the date indicated, thereafter the schedule shall be updated aa directed by the Engineer or Owner. but at least every 30 days lA 6 4 Schedule o_~fActivities Days After Activity Award of Contract Plannin~, Engineering ~ Documentation Contractor to deliver design data and par£ormance curves to Engineer 1 Performance curves and data as specified in Article 2A 6 60 2 Turbine generator shaft critical speed calculations 150 3 Final list of cooling and seal water requirements including flow and pressure drop 60 & Complete listing of all accessory equipment with instrument ranges and reco-~.ended contact set points 120 5 All control devices and/ or process set points, ranges, and flow quanti- ties 120 [DENTON 10566 TURBINE CEN 62 0200] [ O22786 ] lA-6 The per diem rates shall include all costs associated with the service representative's work at the site, including local travel, local travel time wages, and living expenses The round trip rate shall include all expenses tot travel to and from the manufacturer's facilities and the Owner's sits, including any salary costs for travel time The Owner will not reimburse Contractor for air fare costs exceeding tourist class air fare unless unusual circumstances exist The Contractor shall notify the Owner of such circumstances A day of service (per diem) is defined as 8 man-hours at the site The total number of days of service shall be defined as the total regular time man-hours at the site divided by eight lA 5 3 Design Conference The Contractor's design engineer shall attend a design conference at a time and place prescribed by the Engineer or Owner to discuss matters relative to the execution of this Contract The Contractor's design engineer shall attend additional design conferences as required by the Engineer or Owner thereafter to expedite the work lA 5 4 Instruction Manuals Instruction manuals shall be furnished in accordance with the requirements stated in Section 1C of these specifi- cations and as scheduled herein IA 5 5 Recommended ~are Parts The bidder shell provide, in his proposal, a listing of recommended spare parts with unit prices fob Denton, Texas A complete listing of spars parts shall he provided not later than the date listed in the Schedule of Activities The complete listing shall include recommended quantities to be stocked, shall clas- sify the rslative criticality cf parts based on the manufacturer's ex- perience, and shall list the lead time required for manufacture and delivery of each part Original equipment manufacturers' (OB}~) names and part numbers shall be included in the listing The Owner shall retain the option of purchasing any one or any combina- tion of spare parts listed at the prices quoted until 6 months after the date of commercial operation lA 6 SCHEDULE The time of completion of the work is a basic considera- tion of the contract This shall include the completion of various ac- tivities in accordance with the milestone time periods and dates listed in addition to the timely delivery of the equipment and materials The Schedule of Activities included at the and of this article stipulates the milestone time periods and dates for the work included in this Con- tract It is necessary that the Contractor perform the activities shown on or before the dates indicated to avoid delay of the entire project [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] iA-5 Days After Activity - Award of Contract Preliminary Certified 6 Switchgear and neutral ground- ing cubicle outline drawing showing equipment layout 60 90 7 Control switchboard outline drawing showing equipment layout 120 150 8 Excitation cubicle draw- ings showing overall dimensions and the loca- tion and size of instru- ments mounted in the cubicle 90 150 9 Drawing and catalog data on strainers, pumps, valves, motors, instruments, and other auxiliary equipment 90 210 l0 Lube oil diagrams 60 120 11 Controller fluid diagrams 60 120 12 Seal water diagrams 60 120 13 Cooling water diagrams 60 120 14 Turbine bypass valve, speed increaser, controller, and generator foundation design data including equipment loads 60 90 15 Details of foundation bolts, pla:as, ~acks, grout plugs, and piezometer taps 90 120 16 Cross section through the turbine showing details of design and design clearances insofar as practicable 90 150 [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] lA-8 A ~ays After Activity ward of Contract 6 Generator neutral ground- ing equipment design cai- eulations 90 Contractor to participate in design conference 30 Contractor to deliver schedule of engineering to the Engineer 30 Contractor to deliver drawings to Engineer Preliminar~ Certified 1 Turbine water passage neat lines 30 90 2 General arrangement plan and elevation of turbine, speed in- controller, and bypass valve equipment and ment, indicating access, with outline dimensions and criti- cal elevations 30 90 3 Outline drawings of tur- bine speed increaser, gen- erator, and bypass valve showing all connections 45 90 4 Controller hydraulic unit showing overall dimensions and the location and size of instruments mounted on the control panels 60 120 5 General arrangement plan and elevation of excitation equipment showing outline dimensions of equipment and arrangement 45 90 [DENTON 10566 TURBINE GEN 62 0200] 022786 ] lA-7 Days After Activity Award of Contract Preliminary Certified 34 Storage instructions 180 210 35 Startup and commissioning details and procedures 150 180 36 Erection drawings and manual, including breakdown for shipment 210 300 Days After Activity Award of Contract Contractor to deliver completed Motor Information Sheets to Engineer 90 Contractor to deliver initial detailed procurement/production/ shipping schedule to Engineer and Owner 30 Contractor to submit controlled copy of Quality Assurance Manual 30 Contractor to submit shop inspec- tion plan 60 Dates Contractor to deliver * "Proof Copy" of Instruc- July 18, 1988 tion Manuals to Engineer ~/~7~ Contractor to deliver 15 copies of accepted Instruction Manuals as October 17, 1988 directed by the Engineer i~l/if7~ - contractor to deliver complete recommended spare parts list March 20, 1989 to owner *Negotiated Revision [DENTON 10566 TURBINE GEN 62 0200] [ 111987 ] lA-10 Days After Activity Award of Contract Preliminary Certified 17 Runner throat ring details 120 180 18 Runner details 120 180 19 Gate and runner servomotor details 120 180 20 ~lcket gate details 120 180 21 Turbine main sha[t details 120 180 22 Gate operating mechanism details 120 180 23 Guide bearing details 90 150 24 Thrust and guide bearing with support details 90 150 25 Shaft seal details 90 150 26 Detailed pipe routing drawings 90 2~0 27 Auxiliary equipment block diagrams and panel layouts 90 120 28 Controller block diagram 30 90 29 Detail description of start- stop sequences 90 120 30 Speed sensing device details 90 120 31 Electrical schematic diagr~ 90 120 32 Electrical wiring inter- connection diagrams 90 120 33 Electrical wiring internal connection diagrams 150 210 [DE~TON 10566 I~JRBINE GEN 62 0200] [ 031387 ] IA-9 identified by printing on conductor identification sleeves A covductor ide~tlfication sleeve shall he provided on each end of each internal con- duc=or Each sleeve shall he marked with the opposite end destination identification described in Section lC under WlRINC DIAGRAMS Conductor identification sleeves shall he no= less than 1/2 inch ions and shall be as ~anufactured by the Dura Mark Company, Port Washington, New York or accgp=ahle equal Conductor identification shall be printed on the sleeve with a Thomas & Be=ts Company Catalog No %rf163M-1 marking pen, Panduit Corp Part No PX marking pen, or acceptable equal After in- scription of =he conductor identification, the marking sleeve shall be co~tad with clear acrylic spray coating, Krylon No 1303 as manufactured by Borden, In= , or acceptable equal Conductor identification shall be permanent, unaffected by heat, solvents, or steam, and no= easily dis- !odsed Adhesive labels are not acceptable The arrangement of connections on terminal blocks shall be acceptable to the Engineer Ill connections requiring disconnect plug and receptacle type devices shall be provided with factory terminated conductors on each plug and receptacle Plugs and receptacles shall he factory wired into Junction boxes containing terminal blocks for external connections All conduc- tors on the disconnect portion of plug-receptacle assemblies shall be in a co~on Jacket All temporary wiring installed in =he factory for equipment testing shall be removed prior to shipment of =he equipment lb 36 PIN AND SOCKET CONNECTORS Pin and socket connectors shall have threaded couplings and crimp type con,acts and shall meet Military Speci- fication MIL-C-5015 except for pin and socket plating Pin and socket plating shall be a minimum of 0 000050 inch of gold over 0 000050 inch of nickel Connectors shall be manufactured by Amphenol, Cannon, Pyle- Na~ional, or acceptable equal If the Contractor is unable Co furnish connectors as specified, he shall submit a sample of =he connector he proposes to furnish accompanied by complete manufacturer's specification data with the request for Owner acceptance lb 37 TERMINAL BLOCKS Terminal blocks shall be furnished with white marking strips and, where permitted by =he safety codes and standards, shall be withou~ covers Spare unused terminals shall he furnished on each terminal block for circuit modifications and for termination of conductors in a multi-conductor control cable Not less than two spare unused terminals shall bs furnished for every i0 terminals used Fuses shall no= be mounted on terminal blocks Neither step type =ermi- ne1 blocks nor angle mounting of terminal blocks will be acceptable [DENTON 10566 TURBINE GEN 62 02003 [ 031387 ] lB-19 All terminal blocky, except internal terminal blocks in factory prewired electronic systems cabinets and terminal blocks for thermocouple exten- sion wire, shall be rated 600 volts minimum and shall have strap screw terminals Terminal blocks for 10 AWG and smaller 600 volt insulated conductors shall be Marathon 1500 Series or acceptable equal Terminal blocks for thermocouple extension wire shall be Buchanan Medium Duty with thermocouple contacts, or Marathon 200 Series with Omega Engineering Type TL terminal lugs for terminal blocks, or acceptable equal Terminal blocks shall be appropriately sized for larger wire size as necessary lB 38 FUSE BLOCKS Where fuse blocks rated 30 amperes, 250 volts are required, they shall be modular type with bakelite frame and reinforced retaining clips Blocks shall be Class H, 2-pole, Model No H25030-2SR screw terminal fuse blocks as manufactured by Underwriters Safety Device Co , 7300 West Wilson Avenue, Chicago, Illinois 60656 or acceptable equal Blocks for other current and voltage ratings shall be similar in construction and by the same manufacturer lB 39 FUSES Where slow blow fuses are required for protection of equipment, they shall be hussmann Type MI)L, or acceptable equal, with ampere ratings of 1/4, 1/2, 1, or 2 Where fast acting fuses are required for protection of equipment they shall be Bussmann Type NON, or acceptable equal, with ampere ratings of 1, 3, 6, 10, 15, 20, or 30 lB 40 ELECTRICAL ACCESSORY DEVICES Electrical accessory devices shall be furnished in accordance with the requirements stated herein unless otherwise specified in the detailed specification sections lB 40 i Electrical Instruments All indicating instruments for electri- cal quantities shall be of the switchboard type with 1 percent accuracy classification, shall be designed for flush mounting, and shall be ap- proximately 4 inches square All analog instrument scales shall consist of black markings on a white background Any instrument which is checked in the field and found to be inaccurate in excess of 2 percent will be returned to the Contractor for calibration or replacement without cost to the Owner All ac instruments shall be designed for operation through 5 ampere current transformer secondaries and 120 volt potential trans- former secondaries Analog instruments shall be General Electric (Yoka- gawa) Type AB-40, Westinghouse Type 241, or acceptable equal Digital instruments shall be Yokagawa ~eries 2350 or acceptable equal iB 40 2 Control Relays General service auxiliary relays shall he Gould Incorporated Type Jl-~, JllA, J13P, or acceptable equal Where current carrying requirements exceed the capacity of the general service auxil- iary relays, auxiliary relays shall be General Electric Type HFA or HGA, Westinghouse Type MG-6, or acceptable equal [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 1B-20 All spars contacts on ail slectrical dsvices .xcept control switches and lockout relays shall be wired out to accsssibls terminal blocks for cure sxtsrnal corm.trion One spare normally open and one spare normally closed contact on each control switch and lockout relay shall be wired out to terminal blocks All wiring 1saving an enclosure shall leave from terminal blocks and not from other devices in the enclosure Auxiliar7 equipment such ao terminal blocks, auxiliary relays, or contac- tots shall he readily accessible Auxiliary equipment shall be located in compartments, enclosures, or Junction boxes in such arrangement that a serviceman will have direct access to the equipment without removal of barriers, cover plates, or wiring Terminal blocks for external connections shall be grouped in the instru- ment and control compartment for easy accessibility unrestricted by in- terference from structural members and instruments Sufficient space shall be provided on each side of each terminal block to allow an orderly arrangement of all leads to be terminated on the block Arrangement of circuits on terminal blocks shall be such that ali connections for one circuit plus any spare conductors shall be on adjacent terminals Terminal blocks shall not he mounted in compartments containing cables or buses operating at voltages above 600 volts A shorting type terminal block shall be installed at an accessible loca- tion for each set of current transformers supplied with the equipment furnished under these specifications Tbs shorting terminal block shall be the one nearest the current transformers No other shorting type ter- minal blocks are required unless specified otherwise Ail electrical cables shall be conservatively selected for the electrical and environmental conditions of the installations and shall be of the bast construction for the service where unusual service conditions are encountersd Oil-resistant and proper temperature application cable shall be used throughout Except where required to be otherwise to per- form satisfactorily in the service, all electrical conductor shall be Class B, stranded copper, 14 AWG or larger MI cable is not acceptable Control panel and cabinet wiring shall be stranded copper conductor with flame retardant cross-linked polyethylene insulation rated 600 volts and shall meet the requirements of UL &4 for Type SIS The insulation shall also meat the requirements of ICEA S-66-§24, Paragraph 7 8 3 1, and shall be Rockbestoa Firewall SIS, General Electric Vulkene Type SIS, SI No 57275, or acceptable equal [DENTON 10566 TURBINE GFN 62 0200] [ 031387 ] 1B-IT General service power and control cables, integral to the equipment fur- nished but not internal wiring of control cabinets or panels, shall be rated for the maximum service voltage but not less than 600 volts Power conductors and single conductor control cables shall have ethylene pro- pvlene rubber insulation with a neoprene conductor Jacket, and multi- conductor control cables shall have flame resistant cross-linked poly- ethylene conductor insulation and an overall neoprene Jacket or acceptable equal insulation systems, except NFC Type SF-2 silicone rubber insulated cable with braided glass Jacket shall be used where ambient conditions cause conductor operating temperatures to exceed the temperature ratings of the general service cable insulation fur~ished All thermocouple wire shall be solid conductor with twisted and shielded conductor pairs Insulation shall be color coded in accordance with the requirements of ANSI MC96 1 These requirements also apply to thermo- couple extension wire which is furnished internal to Contractor-furnished equipment The shield wire for each thsrmocouple furnished for external connections shall be terminated on an ungrounded terminal Control conductor terminal connectors shall be compression type connec- tors properly sized for the conductor and the terminal The connectors shall be constructed of copper and shall be tin plated The interior surface of the connector wire barrel shall be serrated, and the exterior surface of the connector wire barrel shall be furnished with crimp ~uides Nonineulated terminal connectors are acceptable for conductors terminated on devices equipped with individual fitted covers, such as General Elec- tric Type SB-1 control switches and General Electric Typi HEA lockout re- lays Preinsulatsd ring type terminal connectors shall be used on ali current and potential transformer circuits All other terminal connec- tors for conductors smaller than 8 AWG shall be pretnsulated ring type or preinsulated spade type Preinsulated terminal connectors shall include a vinyl sleeve, color coded to indicate conductor size Ring type connectors shall be manufactured by AMP, 3M, or acceptable equal Spade type connectors shall be AM~ slotted spring spade or 3M Scotchlok Series 61 snap spade terminal connectors Connectors for thermocouple extension wire shall be Omega Engineering Inc Type SL, or acceptable equal Each terminal block, terminal, conductor, relay, breaker, fuse block, and other auxiliary device shall be permanently labeled to coincide with the identification indicated on the drawings All terminals provided for termination of external circuits shall be identified by inscribing cir- cuit designations acceptable to the Engineer on the terminal block mark- ing strips with black paint Ail other wiring terminations shall be [DENTON 10566 TURBINE GEN 62 02001 [ 031387 lB-18 Insulated bushings with &nsulattng inserts in metal housings shall be provided on all conduit not terminated in hubs and couplings Grounding type bushings shall be provided on all conduit containing power circuitq and on all conduit on equipment to be located iq hazardous areas Stand- ard bushings shall be galvanized All conduit shall be installed in exposed rune parallel or perpendicular to dominant surfaces with right angle turns made of elnmnetrical bends or fittings I run of conduit shall not contain more than the equivalent of four quarter bends, including those i~mediately at outlets and fittings Bends in conduit shall be made vithout reducing the internal diameter of the conduit All conduit runs shall be rigidly supported Each conduit shall be sup- ported within I foot of Junction boxes and fittings Support spacing along conduit runs shall be as follows Conduit Size Maximum Distance Between Supports 1/2 inch through 1-1/4 inch 5 feet 1-1/2 inch and larger 10 feet Conduit shall be supported by means of conduit clamps and clamp-backs Moisture pockets shall be eliminated from conduits If water ca,not drain to the natural opening in the conduit system, a hole shall be drilled in the bottom of a pull box or a "C-type" conduit fitting pro- vided in the low point of the conduit run Conduit shall be securely fastened to all boxes and cabinets Threads on metallic conduit shall project through the wall of the box to allow the bushin$ to butt against the end of the conduit The locknuts both inside and outside shall then be tightened sufficiently to bond the conduit se- curely to the box The raceway system provided for all interconnecting wiring shall be ac- ceptable to the Engineer IB 34 ELECTRICAL ENCLOSURES Unless indicated otherwise in these speci- fications, electrical enclosures, except Junction boxes and pull boxes 4 inch trade size and smaller, shall be as follows Location Enclosure Type Indoor Dry areas NEMA 12 [DENTON 10566 TI~BINE GEN 62 0200] [ 031387 ] lB-15 L~cation Enclosure T~pa Areas where moisture conditions are more severe than those for which NEMA 12 enclo- sures are intended NEMA 4 Electrical enclosures, e¥cspt those of cast metal, shall be constructed from steel plate reinforced as required to provide true surface and ade- quate support for devices mounted thereon Thickness of the steel plate shall conform to the requirements of UL Enclosures shall be of adequate strength to support mounted components during shipment and to support a concentrated load of 200 pounds on their top after erection Free-standing enclosures shall be 90 inches high, not more than 20 feet wide, and not more than 36 inches deep All Junction boxe~ or pull boxes 4 inch trade size or smaller in any di- mension shall be galvanized malleable iron or acceptable equal cast fer- rous metal Junction boxes and pull boxes shall be in accordance with the require- ments of NEC, Article 370, Paragraphs 18, 19, 20, and 21 and shall be without knockouts Except as indicated otherwise in these specifications or on the drawings, all Junction boxes and pull boxes larger than 4 inch trade size in all dimensions for usa in indoor locations shall be sheet steal hot-dip gal- vanized after fabrication and those for usa in outdoor or damp locations shall be galvanized malleable iron or acceptable equal cast ferrous metal, sheet steel hot-dip galvanized after fahricatlon, or sheet steel epoxy coated inside and outside after fabrication The epoxy coating shall consist of a 2 to 3 mil base coat of Z R C as manufactured by ZRC Chemical Products Company, followed by two finish coats of epoxy Each finish coat shall be a minimum of 2 mile thick lB 35 WIRING In general, all devices furnished under these specifica- tions and requiring electrical connections shall be designed for wiring into electrical enclosures with terminal blocks Terminal blocks shall be furnished for conductors requiring connection to circuits external to the specified equipment, for internal circuits crossing shipping splits, and where equipment parts replacement and maintenance will be facili- tated Splices will not be permitted in control wiring or instrument leads [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] lB-16 Thermocouples shall he single element, stainless steel sheathed, com- pacted magnesium oxide insulated type, with ungrounded measuring Junc- tions Thermocouples and extension wire shell meet the standard limits of error specified in ANSI MC96 1 Temperature detectors shall be ISA Type T (copper-constantan) tbermocou- plea with Type TX extension wire Resistance temperature detectors for fluid system temperature measure- ments shall be 100 ohm platinum, metal sheathed, ceramic packed, un- Srpunded resistance temperature detectors Temperature detectors for motor winding temperatures shall be as speci- fipd in Section 1D lB.30 10 Thermowella Fluid system temperature sensors shall be equipped with thermowella Thermowells shall be one-piece solid bored Type 316 stainless steel of stepless tapered design Maximum bored in- ternal diameter shall be 0 387 inch The design of thermowells shall be certified acceptable for the max/mum conditions of temperature, pressure, and fluid velocity by methods described in ASME Performance Test Code 19 3-1974, Chapter 1, Parasraphs 8 through 19 The acceptability of each well shall be demonstrated to the Engineer Thermowells aha11 be threaded and constructed to allow seal welding after installation Thread sizes shall be as follows Air duct wells 1 inch NPT All others 3/4 inch NPT Thermowell insertion length shall be as determined by the manufacturer, un, ess otherwise specified in the Technical Requirements Thermowell outside diameter at the beginning of the taper shall he approximately the same as the root diameter of the threads Each thermowe11 shall be fur- niched with a stainless steel extension nipple of the length determined by the manufacturer, unless otherwise specified in the Technical Require- merits lB 31 CONTRO~ POldeR Electrical power for control and instrumentation w~ll be a nominal 120 volt, single-phase, 60 hertz, alternating current, or a nominal 42 volt direct current The Contractor shall provide any devices required for proper operation and protection of the equipment durin8 electrical power supply and ambient temperature fluctuations de- scribed in the following paragraphs A%l dc electrical control devices shall be designed for continuous opera- C~on on an ungrounded station battery at any voltage from 34 to 48 volts dc Electrical devices served from this supply shall not impose any ground connections on it [DENTON 10566 TURBINE GEN 62 02001 [ 031387 ] lB-13 Ail ac electrical control devices shall, unless otherwise specified, be designed for continuous operation at any voltage from 102 to 132 volts alternating current The dropout voltage shall be lees than 75 volts for relays and 90 volts for contactors and starters Alternating current electrical control devices operating at nominal voltages other than I20 volts shall be designed for continuous operation over proportional volt- age variations All devices shall be guaranteed to operate satisfactorily under voltage conditions specified in the above paragraphs and at a range of ambient temperatures from 50 C to -30 C outdoors and from 50 C to 0 C indoors lB 32 AUXILIARY POWER Auxiliary equipment, such as motors, transform- ers, and rectifiers, requiring electrical power shall be designed to operate from one of the nominal electrical power sources as follows Volts Phase Hertz 480 3 60 120 1 60 42 dc -- (Emergency) Alternating curren~ motor voltage ratings with relation to horsepower shall be in accordance with the following Horsepower Volts Phase Below 3/4 115 1 3/4 thru 250 460 3 Emergency motors shall be designed to operate from a nominal 42 volt dc supply Direct current motors shall be capable of continuous operation at any terminal voltage from 34 to 48 volts dc Variations from motor design voltages specified must be acceptable to the Engineer lB 33 RACEWAY Unless specified otherwise, all raceway interconnections between devices, panels, boxes, and fittings shall conform to ANSI C80 1 and UL 6 All conduit connections shall be of the threaded type Unless specified otherwise, all conduit shall be hot-dip galvanized rigid steel Ail conduit entering outdoor enclosures shall enter through Efcor "Water- Tire" malleable iron hubs or threaded openings One exterior locknut and one interior locknut and one bushing shall be provided at the termination of each conduit not terminated in a hub Locknuts shall be designed to securely bond the conduit to the box or cabinet when tightened Locknuts shall be so constructed that they will not be loosened by vibration [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] lB-14 National Acme Company "Snaplock" Series EA-170-14100 (D2400X-ST) Switches shall have not less than two normally open and two normally closed contacts lB 30 2 Pressure Switches Pressure switches shall be selected as fol- lows General static pressure switches or differential pressure switches for normal static pressure shall be Static "O" Ring Low differential pressure switches for low static pressure ranges shall be manufactured by Dwyer Instruments, Inc Low differential pressure switches for high static pressure and applications requiring both indication and pressure switch contacts shall be implemented with equipment manufac- tured by ITT Barton, Process Instruments, Inc regardless of the range The acceptability of each pressure switch with respect to range, over- pressure capability, repeatability, and deadband shall be demonstrated to the Engineer 18030 3 T~mperaturs Switches Temperature switches shall be Allen- Bradley Bulletin 837 with NEMA 4 enclosures Special length armored capillary tubes shall be furnished where required Thermowells shall be furnished ss required and shall be as specified in this Section 18 under the article entitled Thermowells The acceptability of each temperature switch with respect to range, repeatability, end deedband shall be demon- stratsd to the Engineer IB~30 4 Lave1 Switches Level switches shall be Magnetrol having float and body construction appropriate to the service conditions of the sys- tems to which they are connected Sw~tch elements shall be of the vibra- tion resistant mercury bottle type magnetically coupled to the float Two switch elements shall be available at each level point monitored Eagh switch element shall be reversible for NC or NO operation or shall beldouble-throw construction Switch housings shall be splashproof con- struction, unless otherwise specified lB 30 5 Solenoid Valves Solenoid valves shall be manufactured by Auto- matic Switch Company Valves shall be selected to incorporate body con- strnction, trim materials, and internal arrangements suitable to the application and shall be acceptable to the Engineer Solenoid enclosures shall be NEHA & unless othervise specified Solenoid coils shall be Class H high temperature construction and shall be suitable for continu- ous duty [DENTON 10566 TURBINE GEN 62 0200] [ 030885 ] IB-11 lB 30 6 Valve Manifolds Each pressure switch and pressure gauge shall be furnished with a manifold to provide shutoff ~nd calibration capabili- ties Instrument* with one process connection shall be fitted with a two valve manifold Instruments with two process connections shall be fitted with a three valve manifold Valve manifolds shall be as specified be- low Two valve manifold Anderson, Greenwood & Company assembly PTTMIiS, 316 stainless steel body and trim, 1/2 inch connections Three valve manifold Anderson, Greenwood & Company assembly MIHS, 316 stainless steel body and trim, 1/2 inch process and instrument connec- tions, i/~ inch test ports lB 30 7 Pressure Gau~es Gauges shall he 4-1/2 inch Aehcroft "Dura- gauge" Dials shall be engraved with service legends, or separate name- plates of engraved laminated phenolic shall be attached to the gauge faces to identify the service Legends shall be as directed by the Engi- neer Ail gauges shall have stainless steel movements and nylon bear- ings Gauges for panel mounting shall be Type 1377 Gauges for separate mountings shall he T3~e 1379 with I/2 inch NPT bottom connections Each gauge except control air gauges shall be furnished with an Ashcroft Type 1106S pulsation dampening valve of the same material as the Bourdon tube lB 30 8 Thermometers Thermometers for local mounting shall be Ashcroft '~uratemp" 60OB, 4-i/2 inch dial "Every Angle" gas actuated thermometers Thermometers for panel mounting shall be Ashcroft 4-1/2 inch dial 600A gas actuated with Type 1377 case and stainless steel armored capillary tubing of length required for the installation The dials shall be en- graved with service legends, or separate nameplates of engraved laminated phenolic shall be furnished attached to the dial faces to identify the service Legends shall be as directed by the Engineer Thermowells shall be furnished for all thermometers and shall be as specified in this Section lB under the article entitled Thermowells lB 30 9 Temperature Detectors Temperature detectors shall be thermo- couples or resistance temperature detectors as required by the following paragraphs and the detailed specifications Temperature detectors equipped with thermowells shall be spring-loaded and shall be furnished as complete assemblies, each including a well, nipple, and weatherproof connection head Thermowells shall be as speci- fied in this Section lB under the article entitled Thermowells [DENTON 10566 TURBINE CEN 62 0200] [ 030885 ] 1B-12 shafts by press fits and keys Couplings shall be of the all metal lu- bricated gear flexible type, Koppers "Fast" or acceptable equal Shaft couplings shall be sized to transmit the maximum brake horsepower requirements of the driven equipment with a service factor o* not less than 2 lB 27 EQUIPMENT BASES A cast iron or welded steel baseplate shall be provided for all rotating equipment which is to be installed on a con- crete base Each baseplate shall support the unit and its drive assembly and shall be of a neat design with pads for anchoring the units Base- plates for equipment subject to water or oil leakage shall be provided with a raised lip all around and shall have a threaded drain connection IB.28 PIPING Ail piping shall be in accordance with ANSI B31 1 - Power Piping The following minimum requirements shall apply Ail piping other than AST~ Al06 Grade B steel control and instrument 2-1/2 inches and larger shall piping be Schedule 40 minimum 2 inches and smaller shall be Schedule 80 minimum Fittings 2-1/2 inches and larger Butt weld type 2 inches and smaller Forged steel socket weld type Valves 2-1/2 inches and larger Carbon steel, Class 150 mini- mum, butt weld ends 2 inches and smaller Carbon steel. Class 600 mini- mum, socket weld ends Joints shall be provided as required to facilitate assembly or disassem- bly of equipment The Joints shall be forged steel unions with hardened and ground stainless steel seats for piping 2 inches and smaller and shall be flanged Joints for piping 2-1/2 inches and larger lB 28 1 Instrument Piping Instrument piping shall be in accordance with ANSI B31 1, and shall be 1/2 inch outside diameter stainless steel, ASTM A213 TP316N Fittings for tubing smaller than 1 inch shall be flareless bite type, Swagelok or acceptable equal, brass for copper tubing, and stainless steel for stainless steel tubing Tubing supports shall be furnished to [DENTON 10566 TURBINE GEN 62 0200] [ 030885 ] lB-9 minimize vibration, and shall be copper or copper plated steel Tubing Bends shall be made without reducing the internal diameter of the tub~ All tubing shall be blown clean with dry compressed air after routing but prior to attachment to devices at either end Piping within instrument enclosures shall be arranged to allow any devdce to be ~erviced, disconnected, or removed from the enclosure without dis- connecting piping to other devices Tubing for external connections shall be terminated on bulkhead fittings in the bulkhead plate The Con- tractor shall furnish 20 percent spare fittings on the bulkhead plate for external connections Each tubing termination shall be identified by a metal tag stamped with the identification number furnished by the Engineer for the connected device In instrument enclosures, deflection plates of not less than 13 USS gauge sheet steel shall he furnished above electrical devices and wiring lo- cated under piping or instruments which contain liquid or which are cali- brated or tested with liquid Piping schematic, connection, and interconnection diagrams shall be sub- mitted to the Engineer for acceptance lB 29 EQUIPMENT COOLING WATER Plant cooling water will be taken from the penstock, upstream of the guide vanes Design water temperature shall be 90 F A complete listing of all equipment requiring cooling water shall be submitted, including flows and pressure drops Equipment utilizing cooling water shall have design pressure of 75 psig minimum Cooling water pressure drop across any equipment shall not exceed 8 psi lB 30 INSTRUMENTATION Instrumentation components furnished with the equipment shall be in accordance with the following articles and shall be constructed to withstand the temperatures encountered in the actual serv- ice lB 30 1 Limit Switches Limit switches, except those integrally mounted on motor operated valves, shall be selected from the following alter- nates National Acme Company "Snaplock" Series EA-700-20000 (gL 3) Switches shall have not less than two normally open and two normally closed contacts National Acme Company "Snaplock" Series EA-700-30000 (gL 4) Switches shall have not less than three normally open and three normally closed contacts [DENTON 10566 TURBINE GEN 62 0200] [ 031385 lB-10 shall be caped co seal aha interior o[ aha equipment Open ends of pip- in~ cubing, and conduit shall ba sealed and caped Returnable conCainars and special shippin$ devices shall be returned by the manu£ac~urar's field representative at the Contractor's expense [B ~19 TOOLS The Contractor shall furnish and ship with each piece of equipment o~a set of all special cools required for dismantling and main- cenance of aha equipment The cools shall be shipped in separate heavily codeC~ucced wooden boxes provided with hinged covers and padlock hasps Maintenance cools for each piece of equipment shall be boxed separately and the boxes shall be ~arked with the large painted legend as follows CIT~ OF DENTOn, TZXAS LL~ISVILLE HYDROELECTRIC PROJECT ~AINT~qOE TOOLS FOR (~ome of Etuip~enC) ERECTIO~ CONTRACTOR ~0 MOT OPE~ ~CEPT~FITR O~I~EI~'S A veacherproofed i~euiaed linc of the contents shall also be attached cc the outside of each box The u~in~enanca cools shall include all special handling ri$8, bars, elin~s, and cable A~lmainCenanca Cools shall be ~n nav and unused con- diCiou and sh~l become she properC~ of the Ovner The bidder's proposal shall include the lisa of ~aincenance cools which shall be furnished with aha equtMaenC In addition co aha cools for maintenance and dismanclin$, the Contractor shall ~u~uieh the usa of all special cools required for erection of the eq~ipmeng Erection cools shall remain aha property of aha Contractor and all shippin$ costs co and from the Jobsite shall be ac aha Contrac- tor's expense Erection cools for each piece of equipment shall be boxed separately Erection cools shall hoc be boxed with maintenance cools lB 20 ALIGIA~NT A~D BALANCE All rotating paros shall be true and helically balanced Excessive noise or vibration, in the opinion of Owner, will be su~ficienC cause for rejection of the equipment All ro- cacin$ equip~enC shall be balanced at the factory i~l rotating equipment, except electric motors, shall be factory balanced Co a level such thac vibration displacement in mils peak-Co-peak is mdre ch~ indicated under "~OOD" on IRD Mechana~yale, Ina Curve 305D, "~eneral Hachinez~y Vibration Severity Chart," or as required for relia- bility and lonseviCy, whichever requirement, as determined by the Engi- neer, is the more acrinsenC Electric motors shall be balanced by the manufacturer in accordance with NE}fA standards 10566 'I'UII.BII~ GEN 62 02001 03088S lB-7 lB 21 NOISE LEVEL The equivalent "A" weighted sound level, measured at 5 feet elevation above floor level and 3 feet horizontally from the base of any of the equipment furnished under these specifications, expressed in decibels to a reference of 0 0002 microbar, shall not exceed 85 dBA lB 22 DESIGN COORDINATION The Contractor shall he responsible for the selection and design of all equxpment and materials which will provide the best coordinated performance of the entire system Components of rotating equipment shall be selected so that the natural frequency of the complete unit is nsc at or critically near the operating range of the uniC Where actual design characteristics of proposed components vary from those quoted in the Proposal or specified, the Contractor shall take Chase into account in the establishment of design criteria for related co~ponencs lB 23 LUBRICATION Equipment shall be lubricated by s2sCems designed for continuous operation Lubrication systems shall hoc waste lubricants and shall not require attention during startup and shutdown, or routine inspection more frequently than once weakly Oil lubricant level indicators shall be furnished and marked co indicate proper levels under both standstill and operating conditions lB 24 ENCLOSED ~,EAR DRIVE UNITS Enclosed gear drive unica furnished as a part o~' the equipment specified shall be designed for continuous serv- ice and shall be in accordance ~ith the latest AGMA standards for the type of gear drive being furnished Each gear drive unit shall be capable of withstanding the motor torques developed during scare, acceleration, and deceleration if stalled lB 2~ SAFETY GUARDS Guards shall he provided for protection of person- nel from all exposed moving and/or rotating machine elements Each guard shall be fabricated from ASTM A36 steel plate having a minimum thickness of 3/16 inch and designed for easy installation and removal Necessary supports and accessories shall be furnished with each guard IB 25 i Horizontal Shaft E~uipmenc Safety Suarda for horizontal ah&fca, shaft couplings, belt sheaves, eec , shall be of the inverted "U" desisnwlch sides extending co the equipuenc base or baaeplate lB 2~ 2 Vertical ~afc Equipment Safety ~uards for vertical shafts, shaft couplings, etc , shall be of 360 degree consCrncCion with bolted vertical Joints Hinged sections shall he provided for inspection of couplings and glands lB 26 SHAFT COUPLINGS Shaft couplings shall he used between all drives and driven equipment Couplings shall he attached to driver and driven [DENTON 10566 TURBINE GEN 62 0200] [ 030885 ] lB-8 Exposed surfaces sha~l be finished smooch, choroush~Y cleaned, and filled as necessary co provide a smooch unifor~ base for lB 17 1 ~ Shop coacin$ systems for steel equipmsnC and ocher ferrous neCa~ surfaces shall be as specified on Che £ndfcaced Coacin$ STscsm Dace Sheets, included ac the end of chis section ~here specific produces ars hoc listed, the coaCinS maCariaZs sha~ meet the criteria indicated ~hers specific produces ars Zis~ad, coaCin$ macaria~s by ocher ~anufaccurars ~a7 be acceptable In either case, information the Proposa~ UuLo88 oche~se 8pec~[~ed, [~n2sh pa~nc co~ors ~1 be selected by the Coatings sha~ uoc be applied ~hen the surface ce~eracure ~s ~ch~n ~ of the dev point AI~ appl~ca~on procedures 8ha~ be ~n accordance the coat,nS ~nu[acCurer*s ~2cCeu 2nsC~cC~ons ~e Contractor 8ha~ [uru~sh su[f2c~enC couchup pa~nC ~or repa~r2ns 2~ percent of the area on a~l exterior [acco~ pa2nced surfaces Touchup pa~nc8 sha2~ be of the s~e c~e8 and co,ors as the ~ac~ory applied pa~nC8 and 8~1 be carefully packed co avoid d~ase dur~ns 8h~puenC Co. Lace pa~nC~n~ ~sC~cC~on8 shal~ be [urn~shed lB 17 1.I Elec~r2cal ~ E~ecCr~cal equ~p~nC, ~nc~ud~ns pane~s, ~cchsear, ~Cor control cancers, crausfo~rs, no,ors, ~d ocher s~m2- ~ar equtpmnC, sh~ be c~eaned, prepared, and coated ~n accordance Coat,ns Sye~eu DaCe Sheet El ~B 17 I 2 Hec~cal Equ~p~uc Hechn~cal equipment, ~nc~ud~n8 pumps, confessors, valves, valve operators, d~ers, da~er dr~ves, sr~nd2ni apparatus, ex~e~a~ p2p~ns surfaces, convey~n8 ~ch~new, and ocher s~m~ar equ~puen~ sha~ be c~eaned, prepared, and coa~ed ~n accord- ance w~ch CoaC2n8 System Da~a Sheet El5 No pa~nC 8~ be applied co surfaces w2ch~n 3 ~nches o[ [~eld we2ded connections ~B 17 1 3 SC~ccura1 Scoe~ and H~scel~aneous HeCa~s Sc~cCura~ s~ee~ ~d ~sceLlaneou8 ueca~s ~nc~u~n8 a~l ~ceu ~abr2ca~ed o[ sC~ccura~ and ~sce~eous scee~ such as duc~8, hanser8, supports, and s~lar cooed 8Cee~ ass~bl~es 8h~ be c~8aned, prepared, and coated ~n accord- ance w~ch Coating System Dace Sheet Al No pa~nC 8ha~ be applied Co surfaces w~ch~n 3 ~nches o~ [~e~d we~ded connections [DE~TON 10566 TURBINE GEg 62 0200] [ 022786 ] lB 17 2 Preservative Coatings Ferrous surfaces which should hOC be painted and are subject to corrosion shall be coated with rust-preventive compound, equivalent to Houghton "Rust Veto 3&4" or Rust-Oleum "R-9" The manufacturer and manufacturer's designation of all preservative coat- ings proposed to be used shall be submitted to the Engineer for accept- ance prior to application Machined surfaces of weld-end preparations shall be coated with consum- able rust-preventive coating equivalent to "Deo~aluminita" manufactured by Special Chemicals Corp , or "Bloxide" manufactured by Tempil Division of Big Three Industries lB 17 3 Galvanizin~ ~alvanlzing specified in the detailed specifica- tions shall be in accordance with the folloving requirements Structural steel members and steel assemblies shall be "pickled" after all cutting, punching, reaming, drilling, tapping, and ocher fabrication processes which would damage galvanizing have been completed The pick- ling shall be done in accordance with the latest accepted practice and shall continue until all scale, rust, grease, and other impurities have been completely removed The steel shall then he hot-dip galvanized in accordance with ASTAiA123 Where either member to be bolted is galvanized and where required by the detailed specifications, erection and structural bolts shall be galva- nized in accordance with AETNA153 and the applicable requirements of A~T~ A325 lB 18 PROTECTION Ail equipment shell be boxed, crated, or otherwise suitably protected during shipment, handling, and storage Equipment having antifriction or sleeve bearings shall be protected by weathertight enclosure8 Coated surfaces shall be protected against impact, abrasion, discolora- tion, and other damages Surfaces which are damaged shall be repaired Electrical equipment, controls, and insulations shall be protected against moisture and water damage Ail external gasket surfaces and flange faces, couplings, rotating equipment shafts, bearings, and like items shall be thoroughly cleaned, coated with rust-preventive compound aa specified above, and protected with suitable wood, metal, or other substantial type covering to ensure their full protection All exposed threaded parts shall be greased and protected with metallic or ocher sub- 8Cantial type protectors All piping, tubing, and conduit connections on equipment and other equip- ment openings shall be closed with rough usage covers or plugs Female threaded openings shall be closed with forged steel plugs The closures [Dmero~ ~0566 ~J~aZ~ ~ 62 02001 lB-6 Earliest Latest Acceptable Acceptable Delivery Date Delivery Date Contractor deliver equipment to Jobsite Ail embedded parts, founda- * tion bolts, and foundation December i, 1988 December 16, 1988 Switchgear channel sills December 1, 1988 December 16, 1988 Remainder of turbine and ~a_nu_arz~,_1989 ~a~uarZ 16, 1989 speed increaser $~/~/f~ - ~/~/~ Synchronous bypass valve January 1, 1989 January 16, 1989 7~7~71~ - 7¢I~7z7/¥~- - Controller January 1, 1989 January 16, 1989 ~R~7z~17~¢~ - ~¢1~7~7/7~¢- - Generator and excitation ~a~u_arz~6~ 1989 February 1, 1989 Switchgear and neutral February 1~ 1989 February 16, 1989 grounding compartment 7¢I~7I~171~¢~ - I~¢~t717/~¢~¢- - Control switchboard and all February 1, 1989 February 16, 1989 othsr equipment ~¢Y~7Z~7~¢~ - ~¢~¢;~7~7/7~¢- - Date Initial Operation Date April 19, 1989 Commercial Operation Date May 9, 1989 *Negotiated Revision [DENTON 10566 TURBINE GEN 62 0200] 111987 ] 1A-II shall provide for cha prevenCion and reedy deCeccion of discrepancies and for timely and positive corrective action The ConCracCor shall make ob- JecCive evidence of quality conformance readily available co the Owner and the En$ineer ZnsCruccions and records for quality assurance shall be concrolled A copy of che Quality Assurance Manual shall be aubmicced Co 'the En$ineer Based on the Quality Assurance Manual and code requiremenCs, cbs Contrac- tor shall develop a shop inspection plan ~or che work covered under chase specifications The shop inspection plan shall be submitted co the En- iB 11 NI~BERI~G S¥STEH The En8ineer will establish an identification ntuabering eyeCem co provide consistent numbering throughout the senerac- inS uniC All elecCrical devices, control and instrumentation equipmenC. valves, and ocher ice.s of similar uaCure shall he permanenCly identified rich the idencificaCion ntmber supplied by the Engineer ExcepC as spec- ified ochet~ise in chess specificaCione, che idencificaCion shall be em- Staved on stainless accel or laminated phenolic cage or nameplates ac the opCion of, and aa accepCahle co, the Engineer and permanently affixed co the device The Engineer's identification numbers shall be included on the manufacCurer's drawings lB. 12 FACTORY ASSEIfBLY EquipmemC shall be shipped completely factory assembled, except rhea the physical size, arranse~enc or configuration of the eguipmanc, or ehippin$ and hamdlin8 li~icaCions ~ake che shipment of completely assembled equip~enc impracticable, in vhich case che equipment shall be assembled and shipped aa ecaced in the ConCracCor's proposal ~hen proposals are submicced vichouC eCacemenCe describin$ seccional shipmentS, iC vill be undereCood chac no field assembly of the equipment will be required and the ConCracCor shall be responsible for all costs e~cOunCered in che field for assembly of sections, accessories, or appur- cenances nsc lieced in the Proposal as requiring field assembly All separately packaged accessory items and pares shall he shipped with the equipmenc Containers for separately packaged items shall be marked so chac chey are idencified rich che main equil~aemc An itemized packing slip, indica~ing vhaC ia in chaC container only, shall be attached co the outside of each container used for packaging A similar lisc shall be inside of each conCainer A maecer packing slip, covering all accessory iCe~ for a $iven piece of equipment vhich are shipped in separate con- Cainere, shall be accached co one container lB 13 CONSOLIDATED SR~P~T$ Except vhece auchorized by the O~mer in writing, che Oviter will nsc accept direcC shipments of ConcracCor-furnished materials and equipment from eubconcracCors The Contractor shall assem- ble shipping unica co~poeed of chose icems of ~acerials and equipment which he obCaine from eub~oncracCors Shipping uniC assembly shall be aC one of the ConCracCor'e cegular business addresses Each item shall be cagged rich ica individual identification used on che dravings for chis [DE~TON ~0566 TURBi~E GEI~ 62 0200] [ 022786 ] lB-3 Contract and shipped as part of a shippinS unit to the construction site All shipments from the Contractor's shippinS unit assembly location shall be packaied and identified as indicated in this section The Contractor shall stats in his proposal the minimum quantity of materials and equip- mant he will assemble es a shipping unit, his proposed tagging system for individual items of material and equipment included as part of a shipping unit, and the assembly location for shipping units iB 14 PACKAGING AND IDENTIFICATION O__F ~PARE PARTS Spare parts shall be shipped in heavily constructed wooden boxes The boxes shall be designed as permanent storaie enclosures Separate boxes shall be used for the spare parts for each major piece of equipment ~;here applicable, boxes shall be designed and constructed for return shipment of damasad or worn components for repair Spare parts shall be protected from damase due to moisture and dirt ac- cumulation during an extended storase period by use of special coatings, airtight membranes, bass of desiccant, or other means acceptable to the Engineer Each box shall be marked with the lares painted legend as follows CITY OF DENTON, TEXAS LEI~ISVILLE HYDROELECTRIC PROJECT SPARE PARTS FOR (Name of ERECTION CONTRACTOR DO NOT OPEN ~XCEPT WITH O~NERVS PERNISSION A weatherproofed itemized 1/st of the contents shall be attached to the outside of each box. A similar list shall be Inside each box lB 15 ~ECIAL SHIPPING REQUIREHE~TS ~here specified, the manufacturer shall mount and ship impact recorders on each ratlcar transporting the specified equipment The impact recorders shall be mounted at the fac- tory to provide a permanent record of the magnitude of axial, transverse, and vertical forces to which the equipment will be subjected while in transit The custody of the impact recorders upon arrival at the plant sits shall be the responsibility of the manufacturer's field rspresen~a- tire ~he recorder impact charts shall be delivered to the Owner and shall become parc of the furnished equipment lB 16 ~ELDING If the manufacturer has special requirements relacing to welding procedures for welds at the terminals of the equipment and if such welding is to be performed under separate specifications, the re- quirements shall be stated on the manufacturer's drawing of the affected part IB 17 S80P COATING All metallic surfaces subject to corrosion shall be protected by suitable coa~lngs applied in the shop Surfaces which will be inaccessible after assembly shall be protected for the life of the equipment The surfaces shall be cleaned, prepared, and coated in the shop [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] Section ~B - G~ERAL EQUIPHENT SPECIFICATIONS lB 1 GENERAL These General Equipment Specifications apply in general to all equipment and materials end are supplementary to the detailed specifications If requirements specified herein are in conflict with requirements specified in the detailed specifications, the detailed specifications shall govern to the extent of such conflict The Proposal shall be based upon the use of equipment and materials com- plying fully with the requirements specified in this Section lB It is recognized chaC the Contractor may have standardized on the use of c~er- cain components, materials, processes, or procedures different than those specified herein AlcernaCan in addition to the base proposal on the basis of supplying the Contractor's standard co~ponents, materials, proc- eases, or procedures will be considered The alternate proposal shall clearly stipulate the alternate proposed, the specific exceptions to the specifications, and the price change applicable fo~ supplyin$ such alter- lB 2 REFERENCED STAI~DAIU>S Eefe~ence to the standards of an2 technical society, organization, o~ association, o~ to the laws, ordinances, or codes of governmental authorities shall mean the latest standard, code, or specification adopted, published, and effective ac the dace of caking bids unless specifically stated otherwise in chess specifications The specificaCions~ codes, and standards referenced in these specifica- tions (including addemia, a~endmenCs, and errata) shall govern in all cases whe=e references thereto are made In case of con£1icc between the re£erenced specifications, codes, or standards and chess specifications, the lacca= shall govern Co the extent of such difference iB.3 MATERIALS AND EqUIPMENT Unless specifically provided otherwise in each case,'all materials and equipment furnished for permanent installa- tion in the wo~k shall conform to applicable standard specifications and shall be new, unused, and undamaged Individual parts shall be manufactured to standard sizes and gauges so chac repair parts, furnished ac any time, can be installed in the field Like parts of duplicate unica shall be incerchanseable lB & IDENTIFICATION All correspondence, shipping notices, specifics- Clans. engineering dace. and other documents pertaining to the equipment and materials furnished under these specifications shall be identified by [DENTON 10566 TIT~INE GEN 62 0200] [ 030885 ] the O~mer's name, the project name, the specification number, end the En$ineer~s project number as Owner's Name City of Denton, Texas Project Name Lewisville Hydroelectric ProJec~ Specification Number 62 0200 Engineer's Project Number 10566 lB 5 PRESHIPMENT INSPECTION The Owner reserves che righ~ Co inspec~ the equipment prior co shipment The Contractor shall notify che Owner of al! shipments hoc lass than 15 days prior Co the dace of shipment co allow the Owner co lnepec~ the equipment if so desired lB 6 SHIPMENTS Shipments co the plane sics shall be consigned co the following locacions Truck Shipments City of Denton, Texas - Levisville Hydro- electric Project Sics Lawisville, Texas The Contractor shall discuss rich the Ov~er che routing of shipments and 8hall roues the same as indicated by the Ovner provided freight races are no greater chart by ocher routes lB 7 ~IPPING NOTICE The Contractor 8hall subm'Lc Co the Owner copies of shipping notices describ~n$ each shipment of material or equip- mane The shippin$ notices shall be mailed Co arrive approximacel7 3 days ahead of the estimated shipment arrival The addressee for each shippin$ noCice will be de~ermined later lB 8 MATERIALS LIST The Contractor shall prepare and submit wich the first shippins noCice cwo copies of an l~emized ma~erials list coverins all material and equipment furnished under chess specifications The ma- ~erials ltsc shall be in su~ficienc detail Co permit an accurate determi- nation of the completion of shipment lB 9 CORRECTION O.~Y E~ROBS Equipment and materials shall be complete in all respects vich~n the limits herein outlined A~l errors or omissions required Co be corrected in che field shall be done by ~ha manufacCurar or his duly authorized repreeenCaCive aC Che Contractor's expense IB 10 ~UALITY aSSURANCE The ConCracCor shall maintain a quali~y assur- ance program Chac provides Chac equipment, ma~erials, and services under chess specificaCions whether manufactured or performed vi~hin the Con- tractor's plane or ac any ocher source shall be controlled ac all poincs necessary co assure conformance Co contractual requirements The PrOSram [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] lB-2 lB 41 WEATHFRPROOPINC All outdoor electrical equipment and all appur- tenamces shall be designed for satisfactory operation dnring 60 mile par hour wind and driving rain Ail exposed unpainted parts shall be fabri- cated of corrosion-resisting metal Ail ventilating openings shall be louverad on outdoor electrical equipment to prevent entrance of rain under weather conditions described above Ail ventilating openings on outdoor electrical equipment shall be equipped with fine mesh filters and stainless steel bug screens lB 42 FACTORY PREWIRED ELECTRONIC SYSTEMS CABINETS Internal wiring in fact6ry praw£re~e-~ec~onic systems cabinets may be installed according to the Contractor's standard aa to wire size, insulation, and method of termination on internal equipment except that insulation for all wiring (including circuit board wiring, back plane wiring, and power supply wiring) shall meet the V~/-1 (vertical wire) flame test requirements of UL 4~ Interconnecting cables between devices shall meet the flame test requirements of IEEE Standard 383 (ANSI Ndl 10) using a gas burner flame source The individual conductors of the interconnecting cables shall meet the flame resisting test requirements of ICEA S-19-S1, Paragraph 6 19 6 Identification of conductors may be done by insulation color coding identified on drawings or by printed wiring lists Terminal blocks for connection of external circuits into factory prewired elec- tronic systems cabinets shall meet all the requirements of the article TEP~INAL BLOCKS in this section lB 43 SOLID-STATE LOGIC SYSTEMS Ail electrical equipment containing solid-state logic' systems shall be tested for a minimum of 120 hours under power prior to shipment from the factory For the lest 48 hours of testing, the ambient temperature shall be elevated to 120 F and the equipment shall be interconnected with devices which will cause it to repeatedly perform all operations it will be expected to perform in serv- ice with loads on the various components equivalent to those which wilt be experienced in actual service The 48 hour elevated temperature test period shall be continuous but shall be divided into four 12 bout segments Input voltage during each 12 hour segment shall be nominal rated voltage for 11 hours, followed by 110 percent of nominal rated voltage for B0 minutes, followed by 90 per- cent of nominal rated voltage for 30 minutes In the event that a component fails during the first, second, or third segment of the 48 hour elevated temperature test, system testing follow- inS component replacement shall resume at the beginning of the 12 bout segment during which the failure occurred In the event that a component fails during the last segment of the 48 hour elevated temperature test, system testing following component replacement shall include two complete 12 hour elevated temperature test segmemts [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 1B-22 Timing relays where the dsla% period is 3 minutes or less shall be Gould Incorporated Type T12A or acceptable equal Timing relays where the de- lay period may exceed 3 minutes shall be Agastat Series 7000 or accepta- ble equal Gould Incorporated relays shall be purchased directly from the Gould In- corporated relay manufacturing plant and oot from any warehouse or assem- bly center lb 40 3 Control Switches Control switches shall be 600 volt, 20 am- pere, multistage, rotary type with a minimum of l0 contacts Switches shall have black, fixed, modern, pistol grip type handles and engraved black plastic escutcheon plates with targets Switches shall be Westing- house Type W, General Electric Type SB-1, General Electric Type SB-10, Electro Switch Type 20K, or acceptable equal lb 40 4 Push Buttons and Selector Switches Push buttons and selector switches shall be heaw-duty oiltight, Honeywell Micro Switch Type PT, Square D Class 9001 Type K, or acceptable equal Toggle switches shall be Honeywell Micro Switch Type TL or acceptable equal lb 40 5 Indicattn~ Lights Status indtcatin~ lights shall be Foneywsll Micro Switch Type PTW, push to test, with Type 387 lamps, plastic lenses, and appropriately sized resistors Engraved indicating lights shall be Master Specialties 2100 or I00 series with Type 387 lamps Indicating light lens colors shall be coordinated with indicated condi- tions as specified in the following table Indicating lights shall be energized when the condition exists and shall be de-energized when the copdttion does not exist Lens Color Condition Red Equipment energized, such as motor running, valve open, or breaker closed Green Equipment de-energized, such as motor stopped, valve closed, or breaker open White Equipment abnormality, such as motor trip or breaker trip IB 40 6 Alarm ~ontacts Alarm contacts for remote annunciation shall be suitable ~or operation at 125 volts dc Alarm contacts shall be ~ormally open contacts which close on alarm condition [DENTON 10566 TURBINE GEN 62 0200] 031387 lb-21 lB 45 CONTRACTOR-FURNISREp D__C MOTOR STARTERS Magnetic starters for dc service shall be suitable ~or starting 42 volt dc motors Each dc starter shall be complete with 42 volt dc operating coils, con- tactors, six electrically separate auxillary relay contacts (three nor- mally open and three normally closed), one overload relay, and a 36 point terminal block Ail auxiliary and overload contacts shall be w~red to terminal blocks for external use [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 1B-24 In addition to the 48 hour elevated temperatur, testa, the solid-state logic systems shall ha teated for surge withstand capability in accord- ance with the requir.mants of ANSI C37 90a Solid-state logic systems shall be teated as complete assemblies Test- ing of individual components or modules will not be acceptable as systsm teats Copies of the teat procedures and reports shall be submitted to the Engi- neer as required in Section iC lB 44 CONTRACTOR-FURNISHED AC MOTOR STARTERS The ac motor starters furnished with the equipment shall be'provided in accordance with the Typ- ical Schematics for Combination Starters following this section and in addition shall conform to the requirements which follow Fotor starters for 480 volt ac service shall include 480 volt, 3-phase, 60 hertz contactors with three manua~ reset thermal overload relays, 120 volt ac operating coils, and 480 to 120 volt dry type control trans- formers complete with one secondary lead fused and the other secondary lead grounded Large size starters which require line voltage to energize the operating coils shall he equipped with auxiliary contactors for use in the oper- ating coil circuit These contactors shall be operated from the 120 volt circuit of the control transformers Two speed starters and reversing starters, where required, shall be me- chanically and electrically interlocked ao that only one set of contacts can be closed at any one time Auxiliary contacts shall he mechanically operated By the starter contac- tot The quantity of contacts shall be as required, but not less than the quantity indicated on the Typical Schematics for Combination Start- ers Terminal blocks shall be furnished as indicated on the Typical Schematics for Combination Starters Control transformers shall have 60 hertz ac ratings permitting operation at a primary voltage from 440 to 480 volta at a voltage ratio of 4/1 Assuming a 440 volt primary, each control transformer shall maintain a potential of not less than 105 volts at its secondary terminals during starter coil inrush while simultaneously serving a 100 VA load in ad- dition to the coil load Starters for 120 volt ac service shall be similar to 480 volt starters except control transformers will not be required [DENTON 10566 TURBINE GFN 62 0200] 031387 ] IB-23 SYSTEM DESCRIPTION Steel - Normal, Coastal, end Hoderate Corrosion and Abrasion A/ Exposure .... SURFACE SSPC-SP6 Commercial Blast Cleanin8 PREPARATION Prof:[le depth 1 to 2 5 ails as recommended by paint ~nufaaturer DRY FILM SPECIAL NOTES COATING THICKNE~ FIRSTCOAT 3 u~ls ~o component Inorganic zinc ~ch a minimum 3 m~ls ~san~c z~nc or modified epoxy TO~ UP Power tool c~ean damased surfaces only (shop or f~eld $~CONOCOAT ~-6 ~ls Epoxy t~e coa~ Apulv by m~st coat-full coa~ technique THIRD.AT 1 ~-2 A~pha~c pol~rethane ~opcoa~ TOTAL ~Y~EM 8 5-[ ~ ~ATING PRODU~ IDENTIFI~TION MANUFA~RER FIR~ COAT TOUCH UP SECOND COAT THIRD COAT A~toa D~aetcote 9 ~ ~co~t 68A ~e:coat 383HS ~etcoat Catboltne Catbo Zinc 12 658 o: tgO ~ ~34 Catbo~sttc 15 Glidden 5536/5537 ~526/27/28 55~5/5556 6[00 Series Kop~egs ~701 ~santc Zinc R/-Gard 1~22 Eobtl Hobtl~ac 11 ~at-~ak 13-~1, 89 Series ~0 Set/es ~orter Ztac-[ock 312 Zt~c-~ock 308 ~3 Efgh Sutld ~600 Series ~e~- S6~[/S69D2 ~59A~5 S62 Series/ ~63 Sec/es W/ll/~ B60V70 Tnemc )0E-75 9~93 Ser~es 66 Series 72 1B-25 SYSTEM NO )E?aCRIPTION Equ,pment - Electrf. cat. Noraal Ex[~osure E1 SURFACE SSPC-S~I Sotvent Cleantn8 plus SSPC-SP3 Po~er Tool C[eantn~ or ~SPC-SP7 Brush-DEl P~PANATION BLast C~eantng I DRY FILM SPECIAL NOTES :DATING THiCKN~S~ FIRSTCOAT 2 ails Rust Lnhtbtttve alkyd aO per cent solids b~ volume TOUCM UP SECONOCOAT I 5 mlls Htsh gloss alkyd enaaet ~tth a atntaum &O per cent so[ids by votume Indoor ANSI 61t Outdoor ANSI 70~ rHIROCOAT 1 5 ails Htsh Stoas alkyd enamel ~tth a minimum ~0 pet cent solids by votume Indoor ANS[ 6It Outdoor ANSI 70 TOTALSY~EM ~5 m~[s Interior surfaces o[ pane[s, svLtchgear~ and motor control canters shat[ be ~loss vhtte enamel COATING PNOOUCT IDENTIFICATION MANUFACTURER FIRST COAT TOUCH UP $ECONO COAT THIR0 COAT B~CK & VEATCH COATING SYSTEM DATA SHEET 10t58t co.sUL . ~B-26 SYSTEM NO DESCRIPTION Equipment- Mechan,csl, Normal Expo,ute []6 SURFACE ;SPC-SPI Solvent Cleaning plus ;SPC-SP3 Power Tool CLeanins plus SSPC-SP? PREPARATION Brush-off Blast ClesninS DRY FILM SPECIAL NOTES COATING THiCKNES,~ FIRST COAT 2-3 u:Llf Alkyd Primer 2-3 u lo Alkyd TOUCH UP 1,$-2 Gloss Alkyd ;ECOND COAT 1.5-2 Gloss ~kyd THIRD COAT utZs 5-7 mile TOTAL PRODU~ tDENTIFJ~TION COATING MANUFA~RER FIR~ COAT TOUCH UP SECOND COAT THIRD COAT ~eron 5105 5105 540 Carbol~e GP-18 Rust.nd 8~ Glidden 5210 5210 4550 4550 ;eeZer & ~us 6040 6040 B-1 Series B-1 Se;tes Koppers 622 622 50 ~ 501 ~btl 13-R-28 13-R-28 12 Series I2 Serles Por~er 297 ~ 297 FD ~e~- BSOH2 BSON2 B54 Series B54 Set/es Tn~ec ,1~99 10-99 Series 2H Series 2H OATE PREPAREDBY B CK VEUCH SYST ~B-27 (NTR) ~ FOURTH OVERLOAD ~EL R OV O ~LAR~ ~HEN SPECIFIED ~ OTHERVlSE, I~ & I~ ARE SPARE ~ERHINAL$ NIRING DIAGRAH C~BINATION FULL VOLTAGE NON-REVERSING STARTER NOTE. THI~ DOES NOT APPLY TO SIZE S AND ~RGER ~20 V ~2~ L~2F 6 ~ 10 ~IRiNG DI~GR~ ~MBINATION FULL VOLT~GE REVERSING STARTER CONIUL~NO llIlli~ sPEc~ 62 0200 TYPICAL SCHE~TICS FOR COMBINATION STARTERS 1B-28 lC 4 PER¥O~O-NCE CURVES Ten copies of the performance curves specified in Section 2A under the article entitled PERFORMANCE CURVES AND DATA shall be submitted as scheduled in Section iA lC 5 DESIGN DATA Ten copies of design data shall be submit=ed as spec- lfied and scheduled in Sec=ion iA lC 6 TEST AND INSPECTION DATA Certified copies of test and inspection reporC~-~a~-he provided by the Contractor for all =eats and inspections conducted on the specified equipment Ten copies of each report shall be eubm/CCed Co the En$ineer w~chin 2 weeks after completion of each test or ~nspecCion lC ? MOTO~ INFOItMATION A Mocor In~ormaCion Sheet is included at the end of chis section A copy of chis sheet shall be completed for each motor ful.'t~ished under chess specifications Copies of the completed sheets shall be submitted as specified in this section and as scheduled in Section lA The number of copies submitted shall be the same as for ocher manufacturer's drawin$s lC 8 DRAWINGS Draw~n$s shall be in sufficient detail to indicate ~he kind, size. arransamant, weishte of each component, Breakdown for ship- mane, end operation of component materials and devices, the external con- necCions, anchorasee, and supports required, the dhnensions needed for installation and correlation with ocher materials and equipment, and the infor~cion specifically requested in the drawin$ submittal schedule specified in Section lA Certi~ied drawinSe only shall be subu~.tced unless a submittal date for prell/nary drawings is specifically stated in the drawin$ schedule Such requirement shall hOC preclude the Contractor from sub- mitcin$ certified drawin$s on the schedule specified for submittal of prel~minary draw~n$s "Prel/minary" drawin$s shall mean drawinss hOC fully completed or ap- proved by the Contractor, however, they shall be reasonably complete and suitable for the En$1neer's use in escablishinS basic plant arransements and des~$n requir~meuCs Preliminary drawinse shall be clearly scamped "Prel~nary" Prel/~nary draw~n$s will not be reviewed by the near, however, the En$1neer w~11 advise the Contractor of any discrepan- cies ~r conflicts which he may discover in his reference to the drawin$s "Certified" drawings shall mean drawin$s fully completed and certified by the Contractor aa Co the co~pliance of the information contained =hereon with the requirements of these specifications Certified drawin$s shall be clearly stmnpad "Certified" or shall have title block entries clearly lnd~caCin$ the draw~n8 is certified Certified drawinss will be reviewed by the En$inaer and processed as specified in this Section lC [DENTON ~0566 T~T,.~INE G~N 62 0200] [ 030885 Section lC - ENGINEERING DATA lC 1 GENERAL This section stipulates the requirements for engineering data which the Contractor shall submit for design information and review Compliance with the specified schedule for engineering dace submittal is essential ~o ~he scheduled progress and complecion of the proJecc and is of che essence of chis Contract All engineering dace shall be identified with the equipmenC or structure it represents By use of the nomenclature established by the contract doc- umente Equipment drawings shall have the Engineer's equip~ant name and number clearly displayed Material drawings shall have che Engineer's structure name and structure number (when applicable) clearly displayed lC 2 CO,R~ESPONDENCE Correspondence fo~arding engineering data shall be addressed :o the Ensineer as follows Original and one ([) copy co Black & Veacch, Englneers-ArchlCeccs P 0 Box 8405 Kansas City, Missouri Ac~en~ion Mr D F Guyot Let=ers of ~ran~i~al shall acc~pany all sub~2~als of en~ineerin~ da:a and s~ll include a lisC of ~he da~a included in =he =ran~i~cal L~s=s shall include ~nufac~urer's dra~n~ n~bers lden~ifimd w~h che corre- spo~ proJec~ equipmen= or sc~cCure n~nclature as applicable All correspondence shall be iden=ified w~ch the project ~me (City of Denton, Texas, Lewi~ille Hydroelectric Project), Specification Numar 62 0200, B&V Project N~ber 10566, and ~nufac:urer's order number [C 3 REVI~ O~ ~GINEBRING DATA ~e Ensineer's review of ensineering dace will cover only seneral confomicy of the data to the specifications and dot.ants, exce~al connections, interfaces w~=h equipment and ma~e- rials furnished u~der separate specifics=ions, and d~ensions which af- fect plant arrangements ~e Ens~neer's review does no~ indicate a thor- ouch review of all d~mnsions, quanCi=ies, and details of che equipment, ~:erial, device, or item i~dica~ed or the accuracy of ~he submit=ed, nor shall review by =he E~gineer be construed as relievin8 the Contractor fr~any respons~blll:y for errors or deviations quiremencs of the con=ract doc~enCs All en~ineerin~ data subml=:ed, after final procmssin~ by and acceptance by the ~er, shall bec~e a part of the concrac: docu- ments and the work indicated or described ~hereby shall confo~icy therewith, unless o~he~se required by the [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] IC-1 ~o ~ork shall be performed in connection ~ith the fabrication or manufac- ture of equipment and ~aterials until the drawinss and data therefor have been reviewed by the Ensineer except aC the Contrectorts own risk and re- sponsibility Work may proceed on equipment and materials when the draw- inss end data therefor have been returned marked NO EXCEPTIONS NOTED or RECEIVED FOE DISTRIBUTION, and when drawinss have been returned marked EXCEPTIONS NOTED, provided the work is performed £n accordance with the En$ineerts notations If chanses are made ac the project site co the equipment to correct for manufacCurin$ errors, due To design chanses, or due co wiring revisions, revised drawings indicaCin$ the chan~as made shall be prepared by The Contractor and submitted co The Fn$ineer lC 8 $ Final Dravin~e Upon receipt from ~he Ensineer of dravinSs ~rkad NO ~C~PTIONS ~OT~ or ~CEI~ ~OR DIS~IB~ION, ~he Contractor shall transit ~lve additional prince of each drains ~o the Engineer for fill distribution ~ovever, if durins the submittal process, the Con- cracC0r ~akes further chanses ~o dra~nss c~ have been reviavad by ~he Ensineer, ~he chanses sha~ be clearly ~rked on ~he dravinss and ~he submittal p~ocess shall be repea~ed lC 8 l Reproducib~es One reproducible prin~ o~ each final elec~rical virin~ and e~n~a~ diasr~ lot equip~n~ shall be ~uruished The re- producible s~ll be right readins on 0 003 inch chick Du Pon~ mylar a~ s~l~ hOC exceed 3~ ~chaa by il inches in size Diazo sepias, b~ack line my~, or au~o-poaiCive reproducib~es ~11 no~ be Such drain,s sha~l be subleted Co ~he Engineer In rolls and hOC folded lC 9 ~G D~ Connection and in~erconnecCion ~rin~ disarms fu~is~~rac~or shall be as indica~ed in ~SI YI~ 1~a-1971, Section 15-I1~ Article 15-~i 3,2 1 and ~lsure ll-i excep~ ~hac f~cCion infom~ion and ~re ~ code are not required Each device connec~ion shall have near each ce~inacion, indica~ed in breaks, conductor iden~i- [ica~ion consisCins o~ ~he opposite end des~inaC!on ~e ~trins diasr~s shall be dra~ vi~h all devices indicated in chair relative physical lo- ca~ions and shall rep~esen~ ~he equipmen~ and ce~ina~s arransed as ~hey vould appear co a person ~irin~ ~he equipment ~irins d~r~s shall be prepared on sheets approx~ely 30 inches by 12 inches ~ere in~erconnec~in~ ~rins [r~ ditferen~ i~ams of equip- · eu~ or sec~i~al vi~in~ d~r~s off ~he s~e i~ of equip~n~ appear on di~iarenc virins dia~r~ shee~s, all inCerconneccions shall be clearly iden~ified ~ere sec~ional virinS diasr~s are required for a i~em of equipmen~, such as a ~e~ay panel or control panel, cha~ section of ~he panel vhich is represented by each individ~l virins diasr~ shee~ shall be keyed on cha~ shee~ in a ~nner acceptable co ~he [DENTON 10566 TURBINE GEN 62 0200] [ 0~0885 ] lC-4 Each drawing submitted shall be clearly marked with she name of the proj- ect, the unit designation, the spec/f/cation title, the specification number, the project equipment or structure nomenclature, and the Contrac- tor's nme Catalog pages ars not acceptable If standard drawings are submitted, the applicable equipment and devices furnished shall be clearly marked Dravfngs shall be submitted in accordance rich the schedule specified in Section IA lC 8 1 Dravin~ Submittal Eight prince of each draying shall be submit- ted Prints shall be black line on whirs background (preferred) or blue line on white background Print size shall not exceed 34 inches by 44 inches unless due to the size of the equipment larger drawings are necessary Drawings shall be folded to 8-1/2 inches by 11 inches producible prints shall be submitted rolled ~ha Engineer viii use a 35 n microfilm system in processing drawings All drawings shall be suitable for microfilming Drawing and lettering practices shall be in general accordance with the requirements of U S Department of Defense, Military Standard - Engineering Drawing Practices, DOD-STD-100C Drawings submitted which ars not suitable for microfilming will not be accepted IC 8 2 OraWin~ Frocsssin~ A copy of each drawing reviewed will be returned to the Contractor as stipulated herein Copies of drawings returned to the Contractor will be in the form of a print with the hearts marking, a print made from a microfilm of ~ha marked up drawing, or a marked reproducible print for drawings larger than 34 inches by 44 inches in size, at the option of the Engineer ~hsn drawings and data are returned marked EXCEPTIONS NOTED. the chan~as shall be made as noted thereon, and sight corrected copies shall be sub- mitred co the Engineer ~han the drawings and data are returned marked RETURNED FOR CORRFCTION, the corrections shall be made as norad thereon and as lnst:ucted by the Engineer, and eight corrected copies shall be submitted ~han a drawing is revised and resubmitted, the Contractor shall include an issue number and revision d~ecription in the drawing revision block Ail revisions pertaining to t~at particular drawing issue shall be back- circled or otherwise clearly noted on Cna drawing. When the drawings are returned marked NO EXCEPTIONS NOTED or RECEIVED FOE DISTRIBUTION. the Contractor snell submit drawings for final distribution se specified hereinafter under Final Drawings Drawings marked RECEIVED FOR DISTRIBUTION have been filed, but have nsc been reviewed [DEI~rI'ON 10566 TURBINE GEI~ 62 0200] lC-3 List of recommended spare parts List of maintenance tools furnished with the equipment The above listed requirements are minimum, however, requi~ements which are clearly not applicable to the equipment may be deleted Additional information which is necessary for proper operation and care of the equipment shall also be included lC 10 2 BindinS Each copy of the manuals shall be assembled and bcund in a special binder in accordance with the followin$ Manufacturer McBes Loose Leaf Binders &i& North Cedarbrook Avenue Sprinsfisld, Missouri 65802 417-866-0822 Binder t~pe Tslescopins Post C536~ with concealed backbone rivets Construction Stiff binder board Coverin$ Supported vinyl crush pa~tern, kivar liner Color Later ~print~ns Foil stamp in accordance with drawin$ bound at end of this section Color of imprincinS to be gold Capacities available 1 inch through 3 inches in 1/2 inch increments Binder capacities shall not exceed 3 inches, nor shall material included exceed the desisned binder capacity If material to be bound exceeds capacity rating, multiple volumes shall be furnished Binder capacity should not be more than approximately 1/2 inch greater than the thickness of the material w~thin the binder lC 10 3 Submittal One complete copy of the proposed manual shall be submitted to the En$ineer for review The En$ineer's review w~ll be for seneral conformity to specified requirements and ia not intended to con- stitute detailed review or approval of content The copy submitted for review shall be complete with binder, however, to expedite the manufacture and shipment of the binders, the binder supplier may contact the Engineer directly to secure acceptance of the binder and [DENTON 10566 TURBINE GEN 62 0200] [ 030885 ] IC-6 Information indicated on the Contractor's drawin$s shall include wiring of the individual panel items as they actually will appear in ch~ panel, contact arrangements of switches, wire type, wire size, and internal wiring of relays and instruments Elementary diasrams shall be cross-referenced to terminal markings on the connection and interconnection diagrams, but need not indicate complete details of circuits external to the panels Each item o[ panel mounted equipment indicated on the diasrsms shall be identified by item number and name Sufficient space shall be left on the Owner's side of outgoing terminal blocks for adding cable color codes and circuit numbers The Contractor shall be responsible for adding the color codas and circuit numbers co his drawings a£tar they are assigned by the Engineer lC 10 INSTRUCTION MANUALS Instruction manuals for the unloading, stor- age, installation, operation, and maintenance of the equipment shall be furnished The number of manuals and their required time of delivery are specified in the Schedule of Activities in Section lA lC l0 ~ Content ~anuals shall include the following information spe- cific to the furnished equipment Table of Contents and index tabs Specifications, test data, and curves Description of the equipment Instructions in the methods of receiving, inspection, star- asa, and handlin$ prior to installation Installation instrucnlons Operating instructions Maintenance instructions Assembly drawings Parts lists List of acceptable lubricants Nameplate information and shop order numbers for each item of equipment and component part thereof [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] lC-5 its lmprintin$ on the basis of the suppliar's layout drawing This will ' enable manufacturer to proceed without requiring the submittal of a binder proof copy Upon acceptance of the manual by the Engineer, the remaining copies shall be san= to =ha addresses daeig~ated by the Engineer [DENTON 10566 TURBINE G~N 62 0200] [ 030885 ] 1C-7 SPEC 62~Q200 MOTOR PRO,~ECT _ ~,0 ~ ~ MOTOR DATA TO BE SUBMITTED HOOEI. i, MNUi~ACTOR~.R -- P#A~E, NIrRTZ - HR ,,VS',T8 __ EEiIVI~ FAGTOR NB4A 0ESIEN LETTER FUU. LOAC SPEED ,,. NPH ENCI0SUII~' ~PE . FRA~tr SIZE I#SULATIQfl 8YSTEN CLA88 _ ,, ETA#0ARO SEAl. ES ., ,ANS TENP ,. C TB4P RI$~r C BY NIEIrrANcE AT SERVICE IrAc4'OR OF J. 0 ~, US PULL LOAO CURIIrdlT .AHP8, LOGKEI)-MOTOS CURRENT AHPS 8PAC~Ir HEATER (IF PURIIISUED) NUI4BER OF UNIT8 ,. UNIT RATING IdA'TTS VOLTS PHASE ~AEIN~8 TYPE AFBI4A k.tO RATING LIFE NOT LEG# THAN ,.flN~ LuERiOATiOE: ,r,yplr ,, 8YST~4 SOU#t) ROUES P(~EE LEVfL OVERALL #F.,AN NO-kOAO GNUN0 PRESSURE t. EVEl. lie ~.0'~'2 vA~r8 dRA K 20 NICROP&SCALS (0 000° NICRORAR) R~*,FERENC;E OISTANCE FKIr FIgJ,.O OF I NET~R 2 NETEGN dBA IrRK FIF. J.D TOTAL NOTOR vr I.GN FOg NULTISPIr~O HOTOSU VARIABI.E TOI~UE GOlISTANT TOIi~UE CONSTANT #O#SEFO~IER NOTOR TLqHINAI. CCU#ECTIOIL DIAGEAH NO (ATTACU GOPY OF SIAGILA~) FOR MOUIIO ROTOR HOTORS GNC~ VOLT~ SE(: AHPS SEC RF..~ 0104S N-N AT 25 C FOR HOTOSS IN HAZAEDQUS lOCATIONS: MOTOR ENCLO~BURE SURFACE ~rdlA*'IURE C AT SERVICE FACTOR OF I 0 ,1 I,~ rILL MOTOR EDNTAIN A 8URFA~ TB4PERATOK CONTROL THERMOSTAT REQUIRING GONNECTICU INTO THE MOTOR 8TACTER C:0NTROL C:IRCUIT YES , NO FOR SUET IGNITION-PROOF MOTOGN MOTOR ENCLOSURE SURFACE TDdPERA1URE RISE UNOER ANY ASUORNAi. OPERATING GQ#OITION INCLUDING OVERI.OAO, SINQI.E-PHASING, ETS , ASSU#ING ENCLOSURE SURFACE TTHP~EA1UK OF ~0 C ~41EN ABROF~4AL ¢0NOITIQfl DEVELOPS NININUI4 TINg TO IIRACU 268 ¢ .Er. cs NAXIHUH RAT~ OF RISE C IN S SF.~S & YEATCH ENGI#EEIW ~OTOR ].¢-8 I NFORkL4T ION SHG£T CITY OF DENTON, TEXAS NAME OF EQUIPMENT LEWISVILLE HYDROELECTRIC PROJECT INSTRUCTION BOOK CITY OF DENTON F O R TEXAS NAME OF EQUIPMENT VOLUME NUMBER* L,EWIBVILLE HYDROELECTRI( PROJECT MANUFACTURER'S NAME MANUFACTURER'S ADDRESS VOLUME SLACK & VEATCH ENGINEERS. ARCHITECTS NUMBER* KANSAS CITY MISSOURI (Cover) NOTES I All imprinting shell be "Deppa" style font 2 All backbone ,mprinting shell be 14 point 3 Cover imprinting shell be point sizes indtoeted tn column to r,ght of cover tllustret,on 4 *Volume number required only if instruotions ere oonteincd in more then one volume ~! TYPICAL INSTRUCTION BOOK COVER ENGIN EEI~-ARCHITECTe --~ ~ CITY OF DENTON, TEXAS 10566 LEWISVILLE HYDROELECTRIC PROJECT 1C-9 110 per ce~c raced voltase or the scarCin$ coudicions indicated on the Motor Speci~icaCion and Data Sheets shall be as required Co accelerate the inertia loads o[ the motor and driven equipment co lull speed vichouC damage ,Co the motor or the equipment [DEIqTO~ I0566 TURBZ~E GElq 62 0200] [ 030885 ] 1D-2 Section 1D - KI.,ECT~IC ~OTOP~S 1D i GENEP~L These rotor specifications are applicable to all electric motors furnished under these specifications Motor Specification and Data Sheets have been included in this section as required Any motors for which Motor Specification and Data Sheets have not been included, but which are required for operation of the equipment, shall ba furnished The bidder shall l=st in his proposal all motors bein$ furnished In case of conflict between the requirements of the various parts of these specifications, the requirements of the different parts shall govern to the extent of such conflict in the following sequence manda- tor~ governmental resulation8, codes, and standards, Motor Specification and Data Sheets (when included), individual equipment technical sections, this motor section, the referenced industr~ codes and standards 1D 2 CODES AND STANDARDS All motors shall conform to applicable stand- ards of ANSI, IEEE, HEI~A, and AFBMA, except where modified or supplemented by these specifications In case of conflict between any of the industry standards relative to manufacturin$ requirements covered in these speci- fications only by reference to the standards, the requirements of shall govern All equipment and materials shall be ~n accordance with the applicable requirements of the Federal "Occupational Safety and Health Standards" ID.3 SUBSECTION The following subsection contains technical require- ment8 applicable to motors furnished under these specifications Subsection [DI &60 VOLT INTEGlt~ HORSEPOWK~ MOTORS Special requirements for individual motors and specifications for special application motors are included in the individual specification technical sections as required iD & RATING The ~otor nameplate horsepower multiplied by the motor nameplate service factor shall be at least ~5 per cent greater than the driven equipment operating ranse max/mum brake horsepower Motors shall be designed for full voltage startins and frequent startin$ where required, and shall be suitable for continuous duty in the speci- fied ambient Intern~Lttent dut~ motors may be furnished where recognized and defined as standard b~ the equipment codes and standards and accepta- ble to the En$ineer Motors shall be sized ~or the altitude at which the equipment w~ll be installed ID 5 TOR~UB CHARACTERISTICS Except as specified otherwise in the dividual subsections or technical sections, the torque characteristics of all induction motors at any voltage from 90 per cent rated voltage to [DE~fO~ L0566 TUP4SDII~ GE~ 62 0200] [ 030885 ] ID-1 External cooling fans for fan cooled motors shall be fabricated of brass, bronze, aluminum alloy containing not more than 0 2 per cent copper, mal- leable iron, or plastic All plastic fans shall be fabricated of · re/n- forced thermosetCin$ plastic and shall be approved by Underwriters, Labs- racoriss, Inc iD! ! a Insulation a_~nd ~ All insulated windings shall have Class B nonhysroscoplc insulation systems rated for temperature rise and ambient temperature in accordance w/th NEHA MG 1 Standards for the insu- latlon class specified ~here mOtors w/th Class B insulation are not available, motors may be furnishsd with Class F lnsulaeton provided ~he tempera=ute rise is in ac- cordance with N~ MG 1 vales for Class B ~nsulaclon and provided all ocher requlre~n=s are as specified, tncludtns bear/nS llfe and sealed lnsula~ion A~I Insulated wtnd~nS conductors shall be copper ~ere a sealed insulac~on sysc~ Is specified, ~o addl=to~l dips and bakes of epo~ vanish or vacuum-pressure imprecation shal~ be included Co provide a Premium lnsulacton for random wtndlnss Sealed insulation for foxed coi~ w~dlnss shall be ~n accordance w/ch =he requirements of ~M~ 1 sC~dards ~e lns~ciou resis~ance corrected Co ~0 C s~ be nsc less C~n ms,oF =a~ed kV+l ~So~s for ell windinss IDI.I ~ ~a~ure Rise ~ obse~ab~e Ce~eraCuFe rise ~asured by resiscanc~~ ~cors ~vins a semite fac=or greater than 1 O, ~en °pera=in$ a~ the semite ~acCor load, shall no= exceed Char rise which applies f~r ~Co~s ~vinS a semite fac=or of A.O ~en a~ienc temperatures greater c~n 40 C are specified, the observable =e~eracure rise s~ll be reduced in accordance with N~ MG 1 s~andards IDI 1 6 Zrame series or Space heaCe=a shall be =ace~ 120 volcs, sin~le-p~se. ~0 he=cz ~e heacers s~ll be provided inside the ~Cor enclosure in a location suitable for easy re.vel and replacement Heaters sell be located and insulated as they do nsc d~se ~Cor c~ponencs or finish Space heaters shall be sized as required co ~incaln che motor ince~al temperature above the dew point ~en the motor la idle ~e space [DZ o zu Rz z 0200] [ o3o ss 1DI-2 Subsection iD1 - 460 VOLT INTEGRAL HORSEPOWER MOTORS 1Df ! DESIGN AND CONSTRUCTION Design end construction of each 460 volt lncsEral horsepower motor shall be coordinated with the driven equipment requirements and shall be as specified herein and on the Motor Specifi- cation and Data Sheets 1Di I 1 Nameplates Ail motor nameplate data shall conform Co NEHA MG 1 requirements The following additional nameplate dace shall be included SCartin$ limitations, if any Direction of rotation and vol=age sequence as specified later AFBHA bearing identification number for motors furnished with rolling element bearings All ~otor nameplates and attachment pine shall be corrosion resistant ~etal IDi.1 2 Service Fac=or For all motors furnished wi~h a service factor grea~er t~-~-~-~, the service factor shall be in accordance with N~14A ~C 1-12 47 ID1 I 3 Enclosures Ail motors shall be self-ventilated unless speci- fied ocherviee Enclosure parrs for all ~ocore (e g , frames, bearing brackets, terminal housings, external fan covers) shall be made of teac iron, caeC steel, sheer steel, or steel places Al--tnum enclosure parrs are hOC accept- able All self-ventilated open type ~oCors, including those with dripproof, splashproof, and weather protected enclosures, and the fan covers of totally enclosed fan cooled motors shall maec N~I~A MG 1 requirements for a fully guarded machine ID11 3 1 Tocall7 Enclosed Motors Totally enclosed ~oCore shall be furnished wiC-'~-~i~o-"~-and rotating shaft seals Drain holes shall be provided with Crouee-Rlude Type EtD "Universal" combination water drain-breather plugs or acceptable equal TotAlly enclosed ~ococs shall have caeC iron fremas, bearing brackets, and term/ual housings [v~trro~ ~0566 TU~n~E G= 62 0200] [ 030895 ] 1Df-1 shall be permanently marked in accordance with the requirements of NEMA MG 1, Parc 2 Each lead marking shall be visible after taping of the =erminals Ail motors raced ~00 horsepower and larger, all motors furnished with unidirectional blowers, and all ver=ical mo=ors shall have =he direc=ion of ro~ation marked by an arrow mounted visibly on =he sCa=or frame near the =erminal housing or on the nameplate and =he leads marked =or phase sequence T1, T2, T3, Co correspond to the direction of rotation and sup- ply voltage sequence Leads for dual volCase raced or for mulcispeed motors shall be easily conneccad or reconnected in the terminal housing for the operating volt- age or for the specified speeds Permanent inaCrucCions for making these connecCions shall be furnished inside the corm/hal housing or on the mo- Cot fFama or uameplaCe IDi 1 9 Term/hals Cable C~pe leads shall be provided with compression type =srm/~"~--~'~ecCors Connector type shall be coordinated with in- coming power supply cable size and macerial as listed in the table fol- lowing Incoming power supply cable size and ma=erial will be furnished later Terminal connectors shall be as follows or accepcable equal Burnd~ Terminal Connector Power Suppl7 Cable Size Cop~er Ab,~num 8 AWG and smaller YAV 6 AWG thru &/O AWG YA YA-A-TN ID1 1.~0 Ground Conmectors Each motor shall be furnished with a grounding connootor aC~ached co the motor frame ~nside the moCor power lead term/ne1 housing The grounding connector may be a lug or ter~/net or other acceptable ground~n8 connector Grounding connec=or size shall be coordina=ed with motor full load amperes as follows Full Load Ground Connec=or Motor Amperes ~an~e~ A~G 0 thru 21 II Chrn ~0 22 thru 40 10 thru 8 &l thru 65 8 thru ~ 1D1 ~ ~1 gearings The type of bearing furnished shall be as specified on ~he Motor Specification and Da~a Sheet ID1 1 ~1 1 AntifricCion ~ Grease or oil lubricated antifric=ion radial and ~hrust bearings shall be designed and fabricated in accordance wi=h AFBMA standards to have a minimum L-10 ra~ing life of not less =hen [DE:ITl'ON 10566 T'u'~BDIE GEN 62 0200] o3o88 ID ~-~ heaters shall not cause winding temperatures co exceed raced limiting values nor cause thermal protective device "over temperature" ~ndication vhen ~he motor Ks not energized Space heater leads shall be stranded copper cable rich 600 volt insu- lation and shall include terminal connectors Space heater sheaths shall be of a corrosion resistant, material and shall have a chick, ness not less than 0 025 ~nch 1D11 ? Terminal Housings A single terminal housinS for ms,or ps.er leads and accessory leads shall be furnished on all motors All terminal housings shall be ex~ernally mounted on the motor frame en- closure Terminal housings [or ~otally enclosed motors shall be cast iron Ter- minal housings ~or a~l other motors shal~ be cast iron, pressed steel, or fabricated steel Housings shall be diagonally or longitudinally split vtth a gasket between the split halves of the housing Each housing shall have a threaded opening co provide a ~atertight rigid connection with the conduit, and shall be designed for rotation in ~0 degree incre- ments, or have pro~ielons included otherwise, to receive coudu~t ~rom any of ~our directions Nonconducting motor lead posit~oners end gaskets shall be furnished between the housins and the motor fr-~ All motor leads located in the housing shall have terminals and shall be permanent- ly numbered ~or ease of identification All motor pover lead terminal housings shall be aC least one size larger than normally furnished as standard Zn addition, Cardinal housing ~tni- mum volume, mtni~tm cover opening dimension, and minimum siae o~ conduit entrance opening shall be in accordance rich the ~ollovtng cable Haximum Terminal ~ousins Minimum ae~uirements Rated Motor ~ominal Full Load Useable Cover Conduit Current, Volume, Dimension, Opening, amperes ~bic inches inches inches 3 ~ 12 ~-3/& 3/~ 7 6 16 2 3/~ l~ 0 33 2-7/8 2! 0 ~& 3 &0 0 72 3-5/8 1-1/2 65 0 100 3-5/8 2 1DI I 8 Leads l~otor po~er leeds aad specs haeter lsads shall be ~rsd into the motor tsr~inal housing All motor lseds a~d their tsr~inals [DI~qTON 10566 TURBII~ Gllq 62 0200] [ 030885 ] 101-3 1D1 i 1~ Torque Characteristics Unless specified otherwise, motors shall have torques and locked-rotor current in accordance with NEMA MC Parc 12 for the specified design classification 1Df ! 15 Critical Speeds Motors shall be designed to keep torsional and roca~i~ural frequencies of vibration aC leas~ 25 per cent above the motor raced speed ranges co avoid resonant vibration over the operating speed range of the equipment-motor unit 1Di 1 16 Sound Level The motor sound level shall be selected by the Contractor cb' cono'~-~ with ~he overall motor driven equipment assembly sound level requirements which are included elsewhere in these specifi- cations, buc in uo case shall the average no-load sound pressure level, re 0 '0002 dyne/cma, produced by the motor exceed 90 dBA free field 3 fee~ Sound reduction ba£~les, mufflers, and materials shall he contained in the motor enclosure excep~ external fan mufflers may be furnished on totally enclosed fan cooled motors 1DI 2 QUALIT~ CONTROL TESTS AND ~NSPECTIONS Each motor shall be and lnspec'ecc-~a~ the manu-~urer's factory co determine tha~ it is free from elec~rical or ~echanical defects and Co provide assurance meets the re~ui~emencs of chase specifications Teac procedures shall he in accordance wi~h ~EEE No ll2A Tes~ Procedure for Polyphase Induction Motors and ~enera~ors and 1D! 2.1 Tes~s --.--. ~nopec~ions Routine tests as lis~ed in 12 ~Z shal-T'~perfo~ued on each mocor The ~ollowin~ additional ce8~8 and inspections shall be performed on mo- nors 50 horsepower and larse~ Measurement of winding resistance Inspection of bearings and bearing lubrication system Five copies o~ reports of ~he ~ests and inspections for each motor 50 horse- power and larger shall be submi~ed Co the Engineer prior ~he ~o~or from ~he manufacturer's iD1 3 DRA~INGS AND ENGINKERINC DATA Motor dimensional drawinss shall include rocor weigh~ and motor total weigh~ in addition ~o the require- merits listed hereinbefore and in Section lC [DEterOg t0~66 T~ms~gg ¢~ 62 0200] [ 030885 ] 1DI-6 130,000 hours under the load, speed, and thrust requirements for direct coupled service and hOC less than 42,500 hours for belt or chain con- netted service Grease lubricated radial bearinSs shall be double- shielded Motors furnished with rollinS element bearinss shall have the AFB~L~ bear- ins identification number indicated on a nameplate attached Co the motor ~rama 1D1 ~ 11 2 Miscellaneous Bsarin~ Re~uiramencs All bearins mounCinss shall be desisned to prevent cha entrance of lubricant into the motor enclosure or dirt into the baarinss and shall be provided with pipes and drain plusa Fittinse for sreasa lubricated bearinss shall be arranssd for safe, easy relubrication from the outside of the motor while the motor is in serv- ice Insulation shall be provided when required ~o prevent circulation of shaft current on bearinss, on baarinS temperature detector connections, or on oil pipins connections Searinse and bearins houeinSs shall be deelsned to permit disassembly in the field for inspection of the bearinss or re~oval of the rocor Baarin$ lubricants shall contain a corrosion inhibitor The ~ypa and 8rads of lubricant shall be indicated on a nameplate aC~achad ~o the motor frame or end shield adjacent to the lubricant fillin$ device The Contractor shall furnish all lubrication infor~aciou required to assure proper equipment stare-up and subsequent bearin$ ~aintanance iD1 1 12 Rotors All induction motors shall have squirrel-cage rotors Rotors ehall'~-b'~-eadequately sized co avoid overheating during acceleration of the motor and driven equipment Rotors not of ~ncesral dis-cast con- sCruccion shall be furnished with copper or copper alloy casa material All motor rotating components shall be dynamically balanced after mount- ins on the shaft Hotor vibration shall uoc exceed cha peak-co-peak plitude values given in MEHANG 1 standards when measured in accordance wi~h chose standards In addition, cbs ma~nicuda of vibration values for twice-the-line frequency vibrations shall not exceed 0 5 mil 1D1 1 13 Shafts ~ars shipment permits, motor output shafts shall be complete with motor half couplins mounted, connected co the driven equip- menc, and adjusted ready for operation ~ere ~otor size prevents ship- menc with motor connected co driven equipment, the motor half couplin$ shall be factory mounted for field connection to the driven equipment [DENTON 10566 TURBII~E GEM 62 0200] [ 030885 ] 1D1-5 1DI 4 ,~L~UFACTURERS Ail motors shall be as manufactured by one or more of the ~ollowins o~ 'acceptable equal Baldor Electric, Model "Dirty General Electric, Model "Severe Duty" - Cast Iron Louis Allis, Modal "Chemical" Reliance, Model "$XT" or "XT" $iemens-Allis, Model "Chemical Duty/Severe Duty" U S Motors, ~odel "Corro-Out2" Wes~inshouse, Model "Mill and Chemical (MAC) Life-Line All motors shall he ~urnishad in complete accordance with the require- man~s of these specifications [DENTO~ 10566 TI~B~IE GEN 62 0200] [ 030885 ] ID1-7 Each motor shall be designed and constructed in accordance with the fol- lowing requirements Type Squirrel-cage induction Voltage 460 volts, 3 phase, 60 hertz NEMA design letter Design B Service Indoor Mounting Horizontal Ambient temperature range 0 C minimum, 50 ¢ max/mum Enclosure type Totally enclosed fan cooled, with N~MA waterproof features I~sulation Sealed Bearing type Ancifrfctton Bearing lubrication syscom Grease Shaft Solid The shaft shall be furnished with corrosion resis- tant treatment or shall be of a corrosion resis- BLACK & VEATCH ,~L 460 VOLT INTEGI~L PROJECT ~0566 NOESEPOWER MOTORS SPEC 62 0200 ENGINEIH$ ARCHITECTS MOTOR SPECIFICATION AND DATA SHEET 1DI-8 L 2A-~ and S~an~a~d~ 2A 2 L and Data ees 2A- 2A- 2B- 2B. Wa~er S~stem 2~ Valve fdn 20. ,1 Uni~ 20~1 ~ 2C~2 ~em 2C42 DELETED FO ~CON~OT [~I~NTON~ 105~6~T~~ , G~N 62 0200] Sect t~AI~lp~EXOI~TATIO)I SYSTEM 2E-1 th~ 2E-16 ~Sys~ ' 2E~ 0 ~Data S~eet 2E- L6 2F-1 th~ 2F-2 2F- ~nd Data Shee~s 26-12 ~ru 2G-17 ~,60V~ F~gdex Circui~ 2~ 18 Sec 2~-1 th~ 2E-fl II ~d~ 10566 TU~I~E G~ 62 0200] Alternate codes, standards, or procedures not identified in the Proposal will,not be accepted The proper stamps shall be affixed to denote conformance to the appropri- ate codes Data reports rsquired by the ASME Boiler and Pressure Vessel Code shall be submitted to the En$ineer in triplicate 2A 3 TYPE The hydraulic turbine senerator unit shall consist of a hor- izontal Kaplan turbine connected to a synchronous senerator A speed increaser may be provided between the turbine and senerator if its inclu- sion results in a sisnificant capital cost reduction An electrohydrau- lic controller shall be provided for turbine control 2A 4 GENERAL ARRANGEHENT The equipment furnished under this Contract shall be based on installation and operation in the saneral powerhouse arransements indicated on the followin$ drawings included as part of these specifications Drawing No Revision Title 10566-DS-1001 0 PROJECT GENERAL ARRANGEMENT 10566-DH-1001 0 POW~RIiOUSE ARRANGF~[ENT - HORIZONTAL The dimensions of the hydraulic passages and the turbine setting shall be established by the Contractor as required to meet the performance and cavitation Suarantees This information shall be submitted with the Pro- posal 2A 5 DESIGN CRITERIA The turbine generator unit shall be designed to operate under the conditions specified herein 2A 5 1 Project Site Conditions The site specific conditions for design shall be as follows Maximum lake level 532'-0" msl Minimum lake level 481'-0" ms1 Minimum tailwater level 446'-0" Maximum tailwater level 463'-0" msl Tailwater level at 470 cfs 448'-5" msl [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2A-2 Section 2A - DESIGN AND PERFORMANCE 2A i GENERAL This section covers the major design and performance cri- teria for the turbine, controller, speed increaser, generator, excitation system, and auxiliary equipment The specifications for various items of equipment are intended to outline minimum acceptable standards of quality and performance and to describe the scope of work involved These specifications are not to be considered exhaustive "bills of materials" nor are they intended to restrict proper design and application of system components Consideration will be given to a unit which varies from these specifica- tions in order to conform to the manufacturer's standards, provided that the equipment satisfies the performance and operation requirements spec- ified herein The maximum capability of the unit shall be established by the bidder based on consideration of the annual generation model in Section D and capacity credits Maximum capability greater than rated conditions is desired 2A 2 CODES AND STANDARDS All materials, equipment, and fabrication procedures and tests shall be in accordance with the latest applicable requirements of the ASME Boiler and Pressure Vessel Code, ANSI, ASTM, NFPA, NEC, NEHA, IEC, IEEE, ISO, and ~he laws of the State of Texas, all local ordinances, the applicable requirements of ~he Federal "Occupational Safety and Health Standards," and other codes and standards as specified Other national standards of the manufacturer's country may be acceptable to control the actual performance of ~he work Such standards shall be clearly identified in the Proposal Data section The bidder shall demon- strata in his Proposal the conformance of these standards to the minimum requirements specified The acceptability of these standards will be de- termined by the Ensineer during the detail design Two copies each of the proposed alternate codes, standards, and proce- dures shall be available at no cost to the Engineer on request The copies shall be in the English language Alternate codes, standards, and procedures which do not satisfy the minimum requirements specified, may be made acceptable by the addition of supplemental written procedures and instructions Such supplemental procedures and instructions shall be subject Co the review and acceptance of the Engineer These supplemental procedures and instructions shall also be available, on request, to the Ensineer If accepted by the Engineer, ~he proposed alternate codes, in conjunction with the supplements, shall con2rol the actual performance of the work [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2A-1 The ambient air emperature ran8e is -3 to 113 F The site seismic conditions shall be as defined for ANSI ASS Seismic Zone 1 2A 5 2 Turbine The general design parameters of the turbine shall be as follows Number of u~i=s Pa=ad flow 470 cfa Nominal ratted net head 60 feet Net head op~ratin8 range 76 to 25 feet Minimum con::lnuous operatin$ flow at 76 :!est net head 150 cfa or less Range of cl,~sin$ time for synchronous bypass valve 20 to 60 seconds Maximum all, mble transient pressure in ~enstock 101 feet Maximum ova ~aad on full load reJect Lon at 76 feet net head 160 percent The nat head spa:iliad above shall be the head available (static head plus velocity he id) at the inlet pressure taps, as indicated on the draw- lngs, lass tailw~ter level and draft tube velocity head Pressure drop from the upatrea point of equipment supply under these specifications through discharg of the draft tube is not included in the net head and shall be include in the turbine efficiency (pressure drop) 2A 5 3 Controll The general design parameters of the controller shall be aa follows Type Electrohydraulic ~aximum oil pressure 900 psi Wicket gate closing time range 4 to I0 seconds Wicket gate opening time ran8· 20 to 40 seconds Servomotor ~ead time Less than or equal to 0 2 second [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2A-4 The following flow duration data, and flow-tailwater level data, shall be used Percent of Time Equaled or Exceeded Flow Tailwatsr Level cfs msl 20 510 448'-?" 40 330 447'-11" 60 250 447'-7" 80 210 447'-4" 90 190 447'-3" River water temperature ranges from 40 to 90 F A typical water quality analysis is as follows Parameter Value (m~/1 as such) Calcium 80 Magnesium 6 5 Sodium 70 Bicarbonate 270 Sulfate Chloride 79 Fluoride 0 3 Nitrate 1 Phosphate 0 5 Dissolved Oxygen 9 BOD 1 9 pR 7 7 River water from the reservoir is screened through trash racks with open- ings of 4 inch by 40 inch size [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2A-3 2A 5 6 Operatin~ Requirements The Lewisville Hydroelectric Project will be a remote controlled facility Reservoir releases and therefore unit load will be controlled by the U $ Army Corps of Engineers The turbine generator unit shall be designed for continuous, reliable, and safe operation under the following conditions for a period of 50 years Over the entire load from guaranteed maximum output to mini- mum stable load Over the entire net head range Ail equipment furnished shall be free from adverse vibrations, pulsa- tions, and torsional resonances The critical speed of the combined ro- tating parts shall be at least 25 percent greater than the maximum run- away Speed All components shall be designed and constructed to with- stand safely the stresses resulting from operation at the maximum runaway speed as well as those stresses resulting from normal operation modes The system and equipment shall be designed for any underspeed or over- speed condition of duration expected with equipment furnished during any operating mode The unit rotating parts shall be designed for the maxi- mum speed resulting from the turbine maximum runaway, including speed increaser, and shall safely withstand such operation for a period of not less than 60 minutes, the unit bearings shall safely withstand the tem- peratures and wear caused by such operation System equipment shall be designed to protect equipment and accomplish appropriate response in event of power outage This shall include a full automatic shutdown of the unit on loss of offeite power to the unit 2A 5 7 Materials Materials of all component~ furnished by the Contrac- tor shall be new and of first-class quality, suitable for the purpose, free from defects and imperfections and of the classes and types listed in Section II of the ASME "Boiler and Pressure Vessel Code" or the equfv- alent ASTM materials Unless otherwise specified, structural steel com- ponents and supports shall be manufactured from steal conforming to ASTHA36 Should the bidder propose other materials, complete details and specifications shall be submitted with the Proposal A listing of all materials for the major components shall be included with the Pro- posal All materials or parts used in the equipment shall be tested in confor- mance with the applicable specifications and purchased with certified me- chanical and chemical properties Stocked materials may be used provided tbs material when purchased required certification Copies of all certi- fications shall he supplied if requested by the Engineer [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2A-6 Servomotor deadband Less than or equal to 0 05 percent Time constant of damping device 0 to 10 seconds 2A 5 ~ Generator The general design parameters of the generator shall be as follows Rated output Equal to or greater than the larger of the follow- 2,877 kVA at 0 9 power factor or Turbine maximum out- put over nat head operating range in kW aC 1 0 power factor Synchronous speed, rpm Not greater than 720 Runaway speed, rpm As required by turbine runaway speed All other requirem~nts shall be in accordance with Section 2E 2A 5 5 Excitation System The general design parameters of the excita- tion system shall be as follows Nominal band of regulated ±0 5 percent of the rated voltage generator voltage Rate of correct behavior Within 85 percent to of the exciting system and 150 percent of the rated AVR equipment during speed/ speed frequency variation AVR sensing circuit 2 PTs, 4,200/120 volt ANSI Accuracy, Class 0 3 W~ X~ y Excitation system voltage response ratio Higher than 1 0 Excitation nominal ceiling voltage Higher than 150 percent [DENTON 10566 TURBINE GEN 62 0200] [ O31387 ] 2A-5 Transition surfaces between concrete and air or concrete and water shell be coated at least 6 inches into the concrete in accordance with Coating System Data Sheet A52 2A 6 PERFORFUtNCE CURVES AND DATA Full characteristic curves and per- formance data on the turbine, generator, controller, speed increaser, and excitation systems shall be submitted as requested herein and as scheduled in Section lA Turbine Prototype turbine curves based on previous model test data for the operating conditions of minimum continuous output to maximum continuous output from net heads of 25 feet to 76 feet with efficiency, allowable sigma value, wicket gate opening, and runner blade angle Prototype turbine cavitation diagram of critical siena (sigma value where efficiency starts to drop) and plant sigma versus turbine discharge for net heads of 76, 66, 60, 49, and 2S feet Turbine performance curves of the model for various gate and runner blade openings for the full range of specified heads The results shall include the head for maximum turbine effi- ciency, even if this point should occur outside the normal operating range Siena break curves for maximum and rated discharge at maxi- mum and rated head Necessary curve for not less than six gate and runner blade openings selected for advantageous coverage of the con- di=ions necessary to perform hydraulic transient calcu- lations Characteristic curves for model and prototype turbine run- away speed and corresponding discharge for turbine on-cam and off-cam Flow, torque, and head loss curves for synchronous bypass valve Speed increaser Efficiency curve [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2A-8 2A 5 7 1 Working Stresses The Contractor shall be responsible for using adequate factors of safety throughout the design of the equipment specified herein Under the most severe conditions of loading expected under normal operation, including maximum generator output under 76 feet net head, tensile or compressive stresses in the materials shall not ex- ceed the lesser of 1/2 of yield strength or 1/4 ultimate strength Shear stress shall be limited to 1/2 the allowable value specified above for tensile or compressive stress Under emergency loadings such as runaway speed, the stresses shall not exceed 1 33 times the allowable value for normal operation 2A 5 7 2 Welded Construction and Welding Weld-fabricated pressure parts shall be designed, fabricated, inspected, and teated, unless other- wise specified, in accordance with Section VIII, Division 1, of the ASTM "Boiler and Pressure Vessel Code" and shall be stress relieved when re- quiring by Section VIII Division 1 as a unit prior to final machining The qualification of welding procedures, welders, and welding operators for all welding of pressure components, including repair welding, shall conform to Section IX of the ASME "Boiler and Pressure Vessel Code" The qualifications for welding of other parts shall conform to either ASME Section IX or AWS D1 I "Structural Welding Code" 2A 5 7 3 Shop Coating The following shop coating requirements shall apply in addition to those specified in Section lb 2A 5 7 3 1 Surfaces i__n Contact With Water Components fabricated of carbon steel and having carbon steel surfaces in contact with water such as wicket gates, bulb, draft tube liner, att , shall be shop coated in accordance with Coating System Data Sheet A$2 included at the end of this section Contractor shall supply touchup paint adequate to repair 25 per- cent of the area coated Critical surfaces such as mating surfaces, bearing surfaces, and stain- less steel surfaces shall be protected by masking or other suitable means to ensure that damage during the blasting will not occur No paint shall be applied to surfaces within 3 inches of field welded connections or to mating carbon steel surfaces 2A 5 7 3 2 Surfaces in Contact With Concrete Surfaces in contact with concrete such as d-~f~ tube liner, embedded anchorages, att , shall be cleaned but not painted unless otherwise indicated Surfaces of these components shall be prepared by mechanical cleaning in accordance with the requirements of SSPC-SP-2 or SP-3 and as otherwise required to pro- vide a clean, dry, oil free surface [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2A-7 2A 7 pERFOlhVd~CE GUARANTEES The turbine generator and auxiliary equip- ment shall be guaranteed to operat~ satisfactorily without pitting, ex- cessive cavitation~ excessive vihration~ or excessive noise when operat- ing at design conditions, when being started up or shut down, and at runaway speed The following shall be guaranteed to be as stated in the Proposal Data Rated turbine/speed increaser/generator output with turbine flow conditions of 470 cfs at net head of 60 feet and a 0 9 senerator power factor Maximum continuous turbine/speed increaser/generator output for a net head of 60 feet and 0 9 power factor Minimum stable turbine operation for net heads of 76 to 49 feet Average annual net energy generation by the turbine/speed increaser/generator based on flow and head model in Proposal Data Turbine efficiency and output at flows from minimum stable operation to maximum with net heads of 76, 60, and 49 feet Speed increaser efficiency over the entire output tense Generator efficiency versus power output for power factors of 0 9 and 1 0 Excitation system performance Critical speed of all rotating parts greater than 125 per- cant of maximum runaway speed Overspeed and pressure rise on load rejection Maximum runaway speed Flywheel effect Maximum sound pressure level of combined turbine/speed increaser/generator [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2A-10 Generator Generator capability diagram for rated conditions Generator open-circuit and short-circuit characteristics Generator zero and rated power factor saturation curves Generator v-curves Generator individual losses and diagram of their segregation from test Generator efficiency curves versus output at power fac- tors 0 9 and 1 0 Excitation system Ail generator, exciter, and regulator data required to com- plete a mathematical model study of system stability A block diagram of sisnificant transfer functions represent- ing the generator, exciter, and regulator, satisfactory for computer studies Current transformers Transformer secondary excitation characteristics curve Ratio correction factor curve Thermal rating ANSI metering relaying accuracy class Current transformer secondary resistance at 25 C Phase angle correction factor curves Transformer correction factor curves Combined turbine-generator-speed increaser Generator output with 0 90 power factor for operatin8 con- ditions of m~nimum continuous output to maximum continuous output with net beads of 76, 66, 60, 49, and 25 feet [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2A-9 2A 8. STAETUP AND COMMISSIONING After all the component and subsystem tests and adjustments have been made to ensure their satisfactory oper- ation, the equipment furnished under Chess specifications shall be pre- pared for startup and commissioning under the direction of the Contrac- tor's representatives The Contractor shall perfom the startup tests indicated below, perform commissioning of the units, and prepare a 8tartup and commissioning re- port a8 specified herein Performance Casts will be conducted by the Con,ratter with the Owner's assistance as specified elsewhere in these specifications The Owner will provide operating personnel to assist in the startup, co--.~saioning, and testing The preparation for startup and commissioning will include cleanup. lubrication, and tagging of equipment as necessary for startup tests Also. in preparation for the testa, the Contractor shall submit to the Engineer. for review and comments, a proposed Startup and Commissioning Man, al to be followed during the tests The Contractor shall revise the man, al to incorporate the Engineer's comments The Startup and Commis- sioning Manual shall detail the following Checking. lubrication, and tagging of equipment in prepara- tion for the tests The step-by-step procedure for various tests, including the following items ~ listing of the inspections to be made on each item of equipment such as lubrication, clearances. vibration readings, calibrations, alignment checks. insulation testa, and rotation A listing of all auxiliary devices such as pres- sure switches, temperature switches, level switches. limit switches, and indicators with the function of device, the method of testing, the required setting for the device, and the actual setting recorded at site A listing of all the sequential steps which must be observed to demonstrate that the equipment as a whole functions aa intended This demonstration shall include starting and stopping of auxiliary equipment by means of push-button stations, if ap- plicable, plus automatic starting and stopping of equipment, if applicable. Ail intermediate events such as auxiliary device operation, auxiliary equipment start/stop, and alarm action shall be listed for verification in the proper sequence [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2A-12 The Suaranteed efficiency of the turbine shall be determined from the ef- ficiency of a previousl~ tested model corrected for scale effect by the Hutton formula in which prototype loss ~Rem~1/5 model loss = 0 3 + 0 ~ere Re = i:urbine Relmolds' number Re = D ~ o n Subscrip~ p denotes prototype Subscript m denotes model H - head in n D = runner dive,er in ~ ~ kinematic vfscosi~y of fluid in square fea~ per second The correction shall be applied ~o ~he poin~ of ~ ef~iciency o~ the · odel The e~ficiincy o~ the ~urbine ac ocher points shall be the model e~ficiancy increased by the same amoun~ as for ~he poin~ o~ ~im~ ciency Th~ ~urbine po~er ou~pu~ shall be scaled up by applyins ra~io o~ the prototype efficiency co the model e~iciency Piccins due co cavi~aCion resulcinS in ~Cal loss o~ ~he runnar~ ~nner chroa~ tins, or dra~ ~ube shall be sua~an~eed hoc Co exceed cbs ins ~or a period o~ 8,000 operacinS hours He,al loss a~ a race o~ 0 10Da/8,000 pounds per opera,tnS hour, vhera D is ~he runner dia~csr in ~al loss ~o a depth o~ 3/16 inch resardless o~ the area o~ loss Should either o~ ~he above criteria no~ be ~C, ~ha Con~rac~or shall pair ~he d~a~ed area by veldinS and srindin~ ~o the orisinal or improved runner pro~iles In cas~ o~ local cavi~aCion da~se caused or assravaCed by any contour e~rors, the Con~rac~or shall ~ka ~h~ modi~ica~ions neces- sa~ Co ~he runne~ pro,lie or ocher par~s ~o prevent i~s reoccurrence Upon comple~ton o~ ~he repairs, ~he suaranCee period shall be reneved ~or · n additional 8,000 hours ~e ~urbine capacity and e~iciency shal1 be based on previous laboratory model cesc results The bidder shall submit vi~h his proposal su~ficlenc suppor~inS da~a and calculations from applicable ~del ~ascs conducted accordance vi~h a ~eco~nized per~o~nce ~es~ code ~o demonacrace the validity of ~he ~aranCeed ouCpu~ efficiency, and seCCins ~ch relation Co CailvaCar for ~he operaCinS speed [DENTON 10566 TURBINE GEN 62 0200] 031387 ] Unit speed ~ Generator power output, volcase, and current Temperatures of the tuide and thrust bearinss, oil reservoirs, and heat exchanser inlet and outlet Los of startup and connnissionin8 events The Contractor shall provide a listing of the required instruments=ion for the testing program to obtain record of the test dace All required instrumentation shall be pro- vided by the Contractor and shall remain the property of the Contractor The Contractor shall make the necessary pro- visions in the desisn of the equipment for proper mounting and proper functioning o[ the test instruments All instru- mentation, racordins, alarm, and indicating devices furnished as a part of the equipment supplied under this Contract shall be available for the test purposes The proposed orsanization of the Startup and Commissioning Tests shall be included The Engineer will appoint a test ensinaer who will provide technical and schedulins liaison between the Owner, the Contractor, and ocher contractors The Snsinaarfs representative, in addition to witnessing the ~eeCs, will rule on acceptability of =est data or whether adjustments and modliicacione should be made before proceed- inS with fur=her tests. The Ensineerfs representative will also coordinate operations of watering and unwaterins of the unit, placement of unit on-line, and loadfns and load rejec- tion operations with the 0wnerts operations personnel The Startup and C~iesioning Test program will be conducted in accord- ance with the revised test program which shall be bound and distributed to the Ensineers and specified in Section iC Any defecCs or inadequacies uncovered as a result of the Startup and Commissioning Tests or the performance tests shall be corrected, and the tea~s continued until ~he entire testing prosram is completed and the equipment found satisfactory by cha Owner All defects and inadequacies found durins the testins program shall be corrected by the Contractor at no cos~ to the Owner, provided such defects are within the Contractor's responsibilicy as defined herein A StarCup and Commissionins Test Report shall be prepared by the Contrac- tor and shall include copies of sisnificant sections of the recorded traces, su~naries of recorded data from all equipment, as well as docu- mentation of revised sectins of various equipment and revised performance [DENTON 10566 TURBINE GEN 62 02001 [ 031387 ] 2A-14 The Startup and Commissioning Schedule including time . durations for each test The scope of the testing program, which shall include the following as a minimum Dynamic balancing of the coupled turbine, speed increaser, and generator rotating parts Recording of pertinent data for mechanical rota- tion and monitoring of the unwatered unit Initial watering and pressurizing of the water passages with unit stationary Initial hydraulic rotation and speed checks of the unit and operation at speed no-load Synchronization and placement of the unit on-line Loading operations until stable conditions are ob- tained for 10 percent increments of rated capac- ity. and load rejection for load increments of 25. 50. 75. and 100 percent of rated capacity and for maximum capability Index tests in accordance w/thASHE Power Test Code Hydraulic Prime Hovers PTC 18 Test data to be observed and recorded during the startup and commissioning, which shall include the follow~ng Shaft runouts Axial movement of the shaft Thrust bearing support deflection Runner blade position Water pressure at intake area and in the draft tube section Oil pressures in the opening and closing sides of servomotors, and in the pressure tank Total and effective opening and closing times of wicket gates and runner blades measured with unit unwatered and again with the unit watered [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2A-13 output at rated conditions, $2,800 per kW for each kW below guaranteed maximum continuous operation output, and $420 for each }~h below the guaranteed average annual energy production Payment will not be made to the Contractor for kW output and ~ production in excess of the guaran- teed 2A 9 1 Capacit~ and Index Testa Unit capacity and index tests of the turbine-generator unit shall be 'perfot~ned by the Contractor at the option of the Owner to verify that the power output, shape of the efficiency curves. and average annual energy generation guarantees have been fulfilled Net head shall be determined by subtracting the tailvater elevation staff gauge reading frma the upstream penstock preaaure tap pressure plus the velocity head~rlthin the penstock less the calculated velocity head at the draft cube outlet for the flow condition At the Owner's option, draft cube pressure tap pressure measurement may be used instead of tailvater eleva- tion The capacity tests will be conducted at a net head near the spec- iliad net head~ however, should the nec head condition not exist aC the time of the test, the generator output shall be adlusted by the ratio of the net heada to the 3/2 power to decer~ine whether the guaranteed outputs have been achieved The unit capacity will be determined from electrical measurements of genarator output The power output of the generator will be measured with the use of calibrated electrical test instru~ents furnished by the Contractor Flow measurement shall be by ultrasonic measurement or another method mutually agreed upon by the Owner and Contractor The manufacturer's field service representative shall perform any subsequent adjustments as may prove necessary or desirable to secure optimum perfor- mance Test results shall verify that total installed system will deliver ~uaranteed output at dee~gu head flow and speed without high temperature buildup on any component and without undue vibration or torsional reso- nances 2A 9 2 Turbine Runawa~ Speed Test During the starCup and test period, the Contractor, at the opCiono-r~he O~ner, shall perform a runaway speed test on the unit to determine whether the guarantee, with respect co run- away speed has been fulfilled The test will be perfot~ned at the highest head available at the time of the test with no load on the generator The test vlll be of not more than 3 minutes duration from the time maximum speed has been attained 2A.9 3 Turbine Efficienc~ Test Within the guarantee period the Con- tractor, a~"~'~-~ option of the Owner, shall perform an efficiency cast of the turbine to verify that the turbine efficiency guarantees have been fulfilled In the avant that the turbine efficiency teats are performed, they will be conducted in accordance with the provisions of IEC41, "Inter- national Code for Field Acceptance Teats of Hydraulic Turbines," except as modified herein Flow measurement upstream of the turbine shall be made by the ultrasonic flow measurement method or another method mutually agreed upon by the Contractor and Owner Nec head shall be measured as specified under Capacity Tests [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2A-16 data as obtained during the startup tests The Startup and Co~issioning Test Report will be subject to review by the Engineer, and the Contractor shall revise or expand the report as may be requested by the Engineer Copies of the revised Startup and Commissioning Test Report shall be furnished to the Engineer as specified in Section iC 2A 9 PERFORMANCE TESTS After the turbine-generator set has been in- stalled and placed in operation, it will be tested at the option of the Owner by the Contractor for the price listed in this Contract to deter- mine if equipment furnished performs as specified and as guaranteed The Contractor shall be responsible for furnishing and installing all test connections required on the equipment furnished under this Contract If the Owner exercises the option to have the Contractor performs test, the Contractor shall provide all instrumentation required to perform the test The instrumentation shall remain the property of the Owner No tests shall be conducted on equipment or materials for which manufac- turer's field service is specified unless the manufacturer's field rep- resentative is present and declares in writing that the equipment and ms- tarsals are ready for such test Performance tests shall be conducted in accordance with applicable IEC and/or ASME Standard Test Codes except as modified herein The Contrac- tor shall supply input regarding type and location of monitoring devices which should be incorporated into station construction to obtain neces- sary teat data If the equipment operation is unsatisfactory due to any deficiency in the Contractor's work, the Contractor shall make repairs and correct defects in his work to obtain satisfactory performance of the equipment If any supplementary tests are required as a result of such deficiency, the Con- tractor shall provide all additional testing equipment an~ instruments, furnish testing personnel, and incur all expenses connected with such supplementary tests In case any of the equipment furnished under this Contract fails to oper- ate aa required, or in case of failure to meet any of the guarantees pro- vided for in this Contract, the Owner shall have the right to operate the equipment until such defects have been remedied, and guarantees fulfilled without cost to the Owner Repair or removal of rejected equipment shall be scheduled to the satiafactiou of the Owner In the event that serious defects necessitate the rejection of equipment, the Owner shall have the right to operate the equipment until such time aa new equipment is pro- vided to replace the rejected equipment Should the Contractor be unable to modify the turbine generator to meet the guaranteed output and average annual energy production, the Contrac- tor shall pay the O~ner $2,800 per kW for each kW below the guaranteed [DENTON 10566 TURBINE GEN 62 0200] ( 031387 ] 2A-IS 2A 9 4 Generator Efficisnc~ Tests In order to check the efficiency values 8uatanteed by the Contractor, efficiency measurements by means of approved methods shall be performed by the Contractor at the option of the Owner A detailed program of the field efficiency tests shall he prepared by the Contractor and approved by the Owner The followin$ tests and measurements shall be mede Measurement of senerator load losses for load points of 50 percent, 75 percent, and 100 percent of continuous output Precision measurement of reactive and active power sen- stated, measured with precision class 0 2 equipment, w/Ch conditions maintained as close as possible to rated values Excitation losses as determined from voltage and current 2A 10 SHOP ASSEMBLY The turbine, senerator, speed Zncreaser, and con- troller shall be individually assembled in the shop to the extent practi- cable They shall he properly maccBm~rked and dowelled to ensure correct assembly and allsnmant of parts in the field except chat, where necessary, suitable dowels shall be furnished for insertion after field assembly and drilling Assemblies shall also be made of all control panels and cabi- Coolins coils, pressure vessels, servomotors, and pressured oil circuits shall be shop tested at 1 § C~nes their design pressure for 1 hour with- out leakase, damage, or failure Oil sump assemblies shall be Casted with a full oil level without leak- age All normal operating cycles, such as wicket sate operation, servomotor operation, runninS blade operation, and swiCchgear operation, shall he perfo~ned in the shop durin$ the assembly tests Interferences, errors in dimensions, and inaccurate workmanship dis- covered during shop assembly shall be corrected A record shall be made of shop measurements of all critical dimensions, diameters, concentricities, runouts, clearances, att , of the moving and stationary parts, which may affect the field installation and alignment or the operation of the unit These records shall be forwarded to the Engineer for reference during field erection and for record purposes [DENTON 10566 TUEBINE GEN 62 0200] [ 031387 ] 2A-17 )ESCRtPTION SYSTEM PREPARATION Profile depth 2 to 6 mils as recommended by coating COATING DRY F~LM ~C~AL NOTES THICKNE$~ FIRSTCOAT 2-8 ~ A~ ~eco~ended b7 TOUCH UP , , SECOND COAT 8-16 ~ reco~ended by ~nu[acturer mt]s THIRD COAT 8 m~s I~ =equated by ~nu[acturer TOTA[$Y~EM 18-26 ~ teco~nded by ~nufacturar ~ATING PRODU~ IDENTIFI~TION MANUFA~RER FIRST COAT TOUCH UP SECONO COAT THIRD COAT ~e~on ~etcoat 71 H/A ~ercoat 78HB Hot requ~red Po~ya~de ~ured ~ne cured ~poxy Primer Coat Tar Epoxy ~tbol~ne ~rbo~sttc 3 N/A Carbo~st~c 16 ~rbomast~c [4 Coal Tar Epoxy Coal Tar Epoxy Coal Tar Epoxy PrL~r V~TC~ COATING SYSTEM DATA SHEET 090181 IRH/C~F N ENOINEERS * Inlet anchor ring Steel plate, ASTM A516 Grade 55 or cast steel, ASTM A27 Grade 70-40 Draft tube Steel plate, ASTM A516 Grade 55 Stay column Cast steel, ASTM A27 Grade 70-40 or steel plate, ASTM A516 Grade 55 Wicket gates Cast steel, ASTM A27 Grade 70-40 or steel plate, ASTM A516 Grade 55 2B 4 RUNNER The runner shall be of Kaplan type, consisting of the hub, the blade regulating mechanism with servomotor, and the adjustable blades The number, size, and profile of the runner blades shall be established by the turbine manufacturer based on previous model tests to provide op- timum performance throughout the design range of operating conditions The runner hub shall have a flange for bolted connection to the turbine shaft Ail surfaces of the runner exposed to the flow of water shall be finished to a surface finish of 125 microinch or better by grinding and shall be free from hollows or projections The runner shall be stress relieved before final machining The completed runner shall be statically balanced in the turbine manufac- turer's shop 2B 5 SHAFT The main shaft shall be of hollow shaft type with forged couplings and suitably welded and properly heat treated The shaft shall be of ample size to operate at any speed up to the maximum runaway speed without detrimental vibration or distortion The shaft shall be designed with an ample margin of safety against failure by fatigue Design and manufacture shall be such as to avoid or reduce stress concentrations to a safe minimum by providing fillets ~here there are discontinuities of the shaft section The shaft shall be accurately machined and finished, and shall have weld- ed and forged flanges conforming to ANSI Standard B49 1, with tapped holes for Jacking screws in the flange on the runner end for breaking the Joints The shaft shall be machined as necessary to properly connect *Refer to Basis of Contract [DENTON 10566 TURBINE GEN 62 0200] 111987 ] 2B-2 Section 2B - TURBINE AND AUXILIARY EQUIPMENT 2B 1 GENERAL This section covers the technical requirements of the turbine and associated auxiliary equipment 2B 2 GENERAL DESCRIPTION The turbine shall be of the horizontal axis, tubular---w~ type with Kaplan type runner Both wicket gates and runner blades shall be adjustable The turbine shall be directly connected to the 84 inch diameter pipe carrying the water from the reservoir The turbine shall include concrete embedded inlet anchor ring, wicket gate operating mechanism with oil hydraulic servomotor and counterweight, run- ner throat ring, bulb casing, draft tube, the runner operating mechanism, and turbine bearing The runner throat ring shall be split horizontally in the shaft axis plane to facilitate runner inspections The turbine shaft shall be connected to the runner and shall lead to the outside through the draft tube liner The runner shaft shall be supported at its downstream end by a combined thrust and guide bearing located on a con- crete foundation The turbine draft tube shall be of welded design with the downstream end formed by concrete formwork in accordance with the manufacturer's hydraulic design Direction of rotation shall be selected by the turbine manufacturer, co- ordinated with gearbox and generator, and stated in the Proposal Data sheets The turbine shall be provided with Winter-Kennedy or Peck taps for continuous flow monitoring *2B 3 MATERIALS Turbine materials shall be equivalent to, or exceed, the strength and corrosion-erosion resistance of the following listed ma- terials Runner Stainless steel castings, ASTM A743 Grade CA-6 NM Nub Cast steel, ASTM A27 Grade 70-40 Shaft Forged steel, ASTM A668 Class D Bulb Steel plate, ASTM A516 Grade 55 Runner throat Steel plate, ASTM A516 Grade 55 or cast steel, ASTM A27 Grade 70-40 *Refer to Basis of Contract [DENTON 10566 TURBINE tEN 62 0200] 111987 ] 2B-I correct operation for 15 minutes without cooling water circulation, if provided, starting from nomal service temperature Each bearing shall be provided with a RTD or thermocouple for temperature monitoring and alarm, and a temperature switch for trip Level switches on all sumps shall also be provided for alarm and trip 2B 7 DISTRIBUTOR The outer bearings and seals for the wicket gates shall be incorporated in the outer casing Tbs wicket gate bearings shall be the self-lubricating type Inner bearings and seals for the wicket gates shall be incorporated in the inner casing Ail wicket gates shall be interchangeable and independently adjustable The gate mechanism shall have ample strength to withstand maximum load imposed by most severe transient operating conditions Suitable protection devices shall be incorporated in the wicket gate ad- Justing mechanism to prevent damage in the event o£ wicket gate blockage These shall include a shear pin or breaking link for every gate The gates shall be designed to drift towards closed position in event of loss of controller oil pressure A reliable mechanism with counterweight shall be provided to ensure safe closing under any conditions The wicket gates shall be of cast steel or fabricated of steel plates with internal steel stems A bushing of the self-lubricating type or grease lubricated shall be provided for all parts having contact when in motion Stops shall be provided to prevent a free wicket gate from Stay colv~--~s shall be provided for flow distribution and bulb support Stay columns and wicket gates shall be accurately machined smooth, free of waviness, projections, depressions, or other surface irregularities 2B 8 FABEICATED STRUCTURES The following fabricated steel plate con- struction shall be provided and shall have suitable reinforcing and an- choring ribs for concrete grouting where applicable and shall be complete with all flange connections and lifting lugs as required Bulb nose casing Eunner throat casing, in two halves Inlet anchor ring Draft tube Support ribs shall be incorporated for transmitting all axial, radial, and torsional £orces from the turbine to the concrete structures and foundations The minimum steel plate thickness shall be 3/8 inch [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] 2E-4 with the coupling provided on the low speed shaft of the speed increaser or the senera=or shaft Before installation, the shaft shall be cleaned, prepared, and coated in accordance with Coating System Dace Sheet A52, included at the end of Section ZA A packing box shall be provided where the shaft passes through the draft Cube The packing box shall be designed in two halves and the packing material shall be of high grade hydraulic type or carbon Lubrication by water or grease shall be in accordance with manufacturer's standard Lu- brication water will be supplied from the penstock A RTD or chermo- couple shell be provided to monitor and alarm temperature, and a tempera- ture switch shell be provided for unit trip The shaft shell have r~movable and renewable sleeves where iC passes through the bearings and the packing box The sleeves shall be made of corrosion-resisting steel and shall be accurately machined, polished on the outside, and securely fastened to the shaft RunouC shall be checked by rotating the finished shaft in a lathe or aligning device in the manufacturer's shop and shall not exceed toler- ances reco~anded for turbine shafts in the NE}iA Publication MG 5 1-3 04/1 2B 6 BEARINGS A guide bearing shall be provided and incorporated in the bulb nose casing and a thrust and guide bearing shall be provided on the shaft outside the draft cube and supported on the concrete structure The combined thrust and guide bearing shell be of latest improved design, of ample capacity to support axial thrust and counter-thrust in both di- rections parallel to shaft axis under the most unfavorable operating con- diCions The ~utde bearing shall be a sacCionalized bearing shell lined with white The turbine guide bearing shall be of the immersed self-lubricated type and shall be located as near the runner as possible The combined thrust and guide bearing shall be provided with a tempera- ture detector for alarm and shutdo~m All bearing housings and shells shall be split conveniently to facilitate dismantling and maintenance The bearings shall be capable of operating continuously without injury at any speed from 50 percent Co 110 percent of the raced speed and for an hour aC any speed from 100 percent of the raced speed to the maximum run- away speed specified Furthermore, the bearings shall be guaranteed for [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2B-3 cooling water flow during unit startup, and automatically stop flow dur- ing unit shutdown Manual control shall also be provided from the con- trol switchboard 2B 11 SYNCHRONOUS BYPASS VALVE This article covers the desisn and con- struction requirements for the synchronous bypass valve and operator to be furnished under these specifications In order to prevent water hair in the penstock during load rejection, a synchronous bypass valve shall be provided The valve shall open syn- chronously with the wicket gate closure In the event of a turbine closure following a load rejection, the valve shall open in a manner that the flow rate in the penstock remains un- changed The valve shall be designed to remain open or automatically close depending on the mode selected The valve closing time shall be adjustable within the given adjusting range The closing time shall not be influenced by the ambient temperature variation Water pressure dur- ing valve closure shall not exceed the maximum permitted pressure in the penstock At the upstream side, the valve shall be directly flanged and bolted to the turbine bypass pipe At the discharge side, the valve shall be bolt- ed to a coupling provided [or dismantling and aligrmaent Thelvalva shall operate through a mechanical linkage which is connected to the turbine wicket gate operating ring The valve shall be of butter- fly type A ires discharge valve shall be proposed as an option if throt- tling of water flow ia later datemined to be required Minimum size shall be ~8 inches All elements subject to appreciable wear by water erosion shall be re- placeable without removal of the disk Complete valve and fitting elements shall be provided, including dif- fusers, flanges, fitting pieces, foundation plates, and all necessary ac- cessories for proper and safe synchronous bypass operation, such as dash pot, retraction spring, and linkage The butterfly valve shall he menu£actured by Allis-Chalmers, Xeyetone, Ecolaire, Henry Pratt, or EIF-6eneral Signal 2B ll 1 Code Re~uiremants The butterfly valve shall be designed and co~structed in accordance with AWWA C§0~-A~A Standard for Rubber-Seated Eutterfly Valves, except where modified or supplemented by these speci- fications, and in accordance with the applicable requirements of the Federal "Occupational Safety and Health Standards" If the bidder's valve design deviates from the requirements of AWWA C50~ other than those specified herein, the bidder shall clearly state such deviation in the proposal [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2B-6 The runner throat ring shall be stainless steel lined The stainless steel shall be of a type that may be readily welded using only local pre- heat and postweld heat treatments without danger of crackinS The inlet anchor ring upstream end shall be shop prepared for butt weld to the 84 inch penstock The steel draft tube shall extend for a sufficient length into the struc- ture to prevent leakage and to minimize erosion of concrete due to high water velocities The draft tube shall be provided with a manhole 2B 9 OVERSPEED DEVICE An overspeed device shall be mounted on the tur- bine shaft for the shutdown of the turbine-generator unit in case of ex- cessive overspeed This device shall have hydraulic action on the con- troller oil pressure system, initiating the closing of the turbine wicket sate The device shall be complete with necessary electrical control equipment The device shall be adjustable within a certain range above the theoret- ical maximum load rejection speed and shall be equipped with the neces- sary oil pipes and isolatinB valves for connection to the governor oil system 2B 10 COOLING AND LUBRICATION WATER SYSTEM Coolin$ and lubricating wa- ter for bearing oil, shaft seal, and other required services shall be provided from the upstream penstock and shall be discharged, to the maxi- mum extent possible, to the tailrace or draft tuba All piping, valves, strainers, instruments, controls, and other components required for a complete system shall he furnished Pum~inS of water should be avoided Strainers provided shall be of the dual basket, automatic, backflushinS type with stainless steel basket System design shall consider multiple strainers in series to preclude frequent strainer plusginB due to large straining size reductions in any one strainer set Each strainer set shall be provided with differential pressure gauge and two switches to automatically backflush on hish differential pressure and alarm on higher differential pressure BackflushinS valves shall be solenoid operated Each strainer set shall be provided w~th isolation valves and a bypass line and valve Pipin$ shall be designed for easy removal where required for maintenance access to the turbine Piping to each service shall be provided with a globe throttling valve, sight flow indicator, pressure gauge, and pres- sure switch A RTD or thermocouple shall be provided to monitor and alarm temperature, and a temperature switch shall he provided for unit trip Valving and controls shall he provided to automatically start [DENTON 10566 TURBINE 6EN 62 0200] [ 022786 ] 2B-5 The valve body shall be capable of withstanding a hydrostatic teac pres- sure of two times the design pressure and shall be capable of withstand- ing momentary shock loads of ~hree times the design pressure 2B 11 5 Valve Disk The valve disk shall rotate approximately 90 de- srees from-"~ull Open Co tisht shutoff position 2B 17 S Valve Seats Rubber seaC rings shall be either clamped valve die~'~-camp~'~-~d to the valve body with retaining rings or segments and bolted fasteners The seat rinse shall be adjustable and replaceable w~chout reuoviuS cha body from the line The retaining rings or sequents shall be of corrosion-resistant material Fasteners shall be as speci- fied herein under MA~!AT~S A valve with disk mounted rubber seats shall have a hardened, Sround, and polished body seaC ring, as specified under MATEP~T-ALS, secured to the valve body A valve with body mounted rubber seats shall have ground and polished seating surfaces on the edge of the disks Disk seating surfaces shall be of the material specified above 2B iI 7 Valve Shaft The valve shaft shall be designed for the torques and forces encountered in opening and closing the valve in service The shaft dasisn torque shall be determined in accordance with Appendix A of AI~/A A~l disk-co-shaft eecurin$ fasteners shall be as specified herein under MATERIALS 2B 11 8 Sh~f~ Seals Shaft seals shall be of the split '~*' type or of the squ~re--~ iimprsgn&ted Teflon packing with adjustable bronze packing glands The packing shall be adjustable and replaceable without removing the operator from the valve body 2B 11 9 Valve ~ The valve operators shall be in accordance with AW~/AC"~ The valve operators shall be selected Co meeC the maxi- mum torque requirements due to the design differential pressure specified herein and with flow correspondin$ to ruuaway speed or m~x~mam continuous output, wh~ohaver is greater The valve shall be provided with a ~nual operator and a mechanical operator as required to open w~th wicket gate closure, and then automatically close or remain open, depending on mode selected The valve operator torque requirements shall be the max~num countered in not~l operation of the valve as calculated in accordance wi~h Appendix A of AI~'WA C$0~, and shall include a factor of safeW of 2 0 [DENTON L0566 TU1L~NE GEN 62 0200] [ 022786 ] 2B-8 2B 11 2 Design The valve shall be of heavy-duty construction and shall provide bubblstight shutoff with a differential pressure of 40 psi The valve shall have a design pressure of 50 psi The valve shall be designed for modulating service with the valve disk in any position from fully closed to fully open The valve shall be designed to accommodate the weight of the operator without allowing deflection in the valve shaft when the shaft orientation is vertical or otherwise *2B 11 3 Materials The butterfly valve materials shall be equivalent to, or shall exceed, the strength and corrosion-erosion resistance of the following listed materiels Valve body Ductile iron, ASTM A536 Grade 65-45-12 Cast iron, ASTM A48 Class 40 or ASTM A126 Class B Disk Ductile iron, ASTM A536 Grade 65-45-12 Shaft Stainless steel, ASTM A276 Type 304 or A276 Type 316 Soft seat Buna N Neoprene Hard seat Stainless steel Type 304 or 316 Fasteners 18-8 stainless steel Valve sleeve bearings Self-lubricated bronze or ac- ceptable corrosion-resistant nonlubricated material 2B 11 4 Valve Body The butterfly valve body shall be Class 75, with Class 125 flat faced flanged ends, faced and drilled in accordance with ANSI B16 1 Face-to-face dimensions of valve shall conform to AW-WA C504 for short body valves *Refer to Basis of Contract [DENTON 10566 TURBINE GEN 62 0200] 111987 ] 2B-7 * Center Support Flange Steel plate, ASTM A285 Grade B or C Lantern Ring and Gland Bronze Operating Rods and Nuts Bronze The valve shall be provided complete with all hydraulic equipment, con- trol panels, and accumulator as required to assure operation on unit trip and loss of ac power to the unit Limit switches to indicate when the valva is open, closed, or in any intermediate position shall be provided Limit switchee shall be in accordance with Section lB The valve shall be provided with discharge end steel supports as re- quired *Refer to Basis of Contract [DENTON 10566 TURBINE GEN 62 0200] [ 111987 ] 2B-lO The valve manual operator shall be a worm gear reducer manual operator The operator shall be suitable for operation in any position without loss of lubricant The operator shall be provided with a position indicator and locking de- vice The locking device shall be arranged to lock the valve with the disk in any position from fully closed to fully open The operator shall be furnished with a handwheel Lsvers or cranks will not be acceptable In addition, the operator shall be provided with a 1-1/2 inch hexagonal nut for use with a portable air wrench drive 2B 11 10 Limit Switches The valve shall be provided with limit switch- es to indicate when the valve is open, closed, or in any intermediate po- sition Limit switches shall be in accordance with Section lB 2B 11 11 Tests The valve shall be given witnessed factory tests in ac- cordance with tests listed in AWWA C504 2B 11 12 Optional Free Discharge Valve The free discharge valve shall be as manufactured by Allis-Chalmers (Howell-Bunger Valve), Kubota, or acceptable equal The valve will be installed in a pit in the powerhouse floor and discharge into a tunnel under the powerhouse and parallel to the turbine discharge Both ends of the valve shall be provided with Class 125 flat faced flanges The valve shall be hydraulic operated and mechanically linked to the turbine wicket gates as for the butterfly valve option A manual worm gear operator shall also be provided The valve shall have a design pressure at 50 psi The body shall be capable of withstanding a hydrostatic test pressure of two times the design pressure and three times that pressure for shock *Valve materials shall be as follows Body Steel plate, ASTM A285, Grade B or C with stsinless steel facings, ASTM A167, Type 304 Body Sleeve Stainless steel, ASTM A167, 18-8 or ASTMA176, Type 405 Gate Steel plate, ASTM A285, Grade B or C with stainlsss steel seals, ASTM A167 Type 304 *Refer to Basis of Contract [DENTON 10566 TURBINE GEN 62 0200] 111987 ] 2B-9 2C 4 SPEED SENSING DEVICE The speed sensing device shall be of the electronic type, consisting of a toothed disk mounted on the end of the turbine shaft and of two electronic compact pickups for speed detection Speed signal from the first pickup shall be to the electronic control unit while the speed signal from the second compact pickup shall be used for the actuation of switches and/or relays for unit control and for a speed signal to the remote supervisory system 2C 5 OIL ~YDRAULIC SYSTEM The hydraulic system shall consist of the foll6wing main elements which shall be combined into a unit Actuator cabinet, containing electrohydraulic transducers, main distributing valve and all operation control valves and elements and valves for automatic shutdown at normal rate of closure and smsrsency shutdown Oil pressure set, consisting of two pumps with 3-phase, 460 volt ac motors, oil reservoir of adequate capacity, auto~atic pressure control system, unloader valve, safety valve, filters, hand pump, and all necessary appurtenances Control panel with all relays, control switches, indicating lights, motor starters, and devices required for complete control of the pumping set Each pump shall be capable of delivering oil at maximum pressure at a rate per minute not less than three times the active servomotor volume of both servomotors and shall be designed to run continuously The pressure rs- lief valve shall maintain pressures at a level required to operate the power amplifier system of the controller The sump tank shall be sized to keep the oil temperature at a suitably low level Upon power loss to the oil pumping units, the precharged accumulator shall supply pres- surized oil to the servomotors for unit shutdown An oil piping system shall be provided for the entire oil hydraulic system including connections to the turbine servomotors All necessary valves, solenoid valves, gauges, relief valves, check valves, instruments, and strainers shall be provided, as well as all material necessary for in- stallation The control system shall be designed for local manual control and for automatic control from the unit control The local pump selector switches shall be "HAND-OFF-AUTO" type, and a "LEAD-LAG" selector switch shall be provided When in "AUTO," the lead pump shall run as required *Negotiated Revision [DENTON 10566 TURBINE GEN 62 0200] [ 111987 ] 2C-2 Section 2C - CONTROLLER 2C 1 GENERAL This section covers the technical requirements of the controller and associated auxiliar~ equipment 2C 2 GENERAL DESCRIPTION An elecCrohydraulic standard controller for a double resulaced tubular Kaplan type turbine shall be provided Main components shall consist of the electronic control unit, speed sansins device, and the complete hydraulic system The controller shall include a speed controller for synchronizin8, and a flow controller for loadin$ Flow control shall be by comparins a flow sec point co actual flow and operating the controller co el~minaCa any error between chess ~wo values The Contractor shall furnish the necessary equipment Co allow the flow sac point co be sec locally or by a remote supervisory sisnal consisCinE of raise-lower pulses The Contractor shall provide an output siEnal, from the controller Co the remote supervisory aquip~enC, which indicates the actual set point Actual flow shall be decar~ined by a differential pressure ~eaaure~enc method (Winter-Kennedy or Peck) The Contractor shall provids all transmitters, receivin8 equi~aenC indicators, and de- vices necessary to measure flow A 8aCe limiCin$ device shall be provid- ed and shall be adjustable by remote supervisory or local control The controller shall be of adequate capacity Co control the turbine under all conditions, co rssulace ic co be frae from huncins or sursin$, and shall cause the unit Co operate sacisfacCor~ly w~h the interconnected system 2C 3 ELECTRONIC CONTROL UI~IT The ~overnor electronic control unic sha~l be a modular uniC desk,ned for installa~ion in the uniC control swatch- board The electronic control unic shall be lnCesraCed into the overall plane control specified in Section 2H The control uniC power supply will be ~8 voles dc Power supply moniCorin8 shall be incorporated in cbs electronic Sovernor control uniC In case of interruption or failure of the power supply, a monitorin~ relay shall be actuated for omer8sncy shucdo~m of the unic and alar~ indication on the control switchboard Correlation of runner blades and w~ckac sates shall be lnCe~raCad in an electronic module and shall be adjustable The controller shall allow for swicchinE over fro~ automatic control to manual control and vice versa at any load without rapid load chansas A complete combined mechanical electric or electronic feedback system $ivimj suitable stsnals to the electronic controller supplied shall be provided [DEb'TON 10566 I"UR3ZNE GEg 62 0200] [ 031387 ] 2C-! by the unit control system, and the las pump shall start automatically upon failure of the lead pump or system low pressure Motor starters shall be provided in accordance with Section lB Two oil pressure operated, double acting, hydraulic cylinder type servo- motors shall be furnished for operating the wicket gates and runner blades Oil for operating the servomotors shall be supplied under pres- sure from the oil pressure system The servomotor components shall be desisned for the maximum controller oil operating pressure The servo- motors shall have a combined capacity, at minimum oil operating pressure, sufficient to operate sates or runner blades under all conditions of head and load, through the full servomotor opening and closing stroke in the specified time Suitable drain valves and pipins shall be furnished for draining oil from each end of the servomotor cylinders and for bleeding entrapped air An adjustable slow closins device for retarding the rate of closins travel between the approximate speed-no-load position for rated head and the closed position, shall be provided A manually adjustable stroke limiting device shall be provided which can be locked to positively limit the sate or runner blade position if desired A scale affixed to the mechanism shall show the limit for which this device is set Actual sa~e opening shall be accurately indicated on a scale with pointer af- fixed to a servomotor or to the sate operatins tins [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] 2C-3 2E 2 3 2 Enclosure and Coolin~ The generator shall be self-ventilated and shall include outlet air ducting to interface with Owner-furnished ductwork The outlet air ducting shall be arranged to interface above the generator with a single connection to the Owner's duct The Owner's duct will be designed so that maximum pressure at the interface will be 1/2 inch water gauge The Contractor shall provide all fans required to self-ventilate the generator Enclosure parts (e g , frames, bearing brackets, terminal housings, ex- ternal fan covers) shall he made of cast iron, cast steel, sheet steel, or steal plates Aluminum enclosure parts are not acceptable Bolts, nuts, screws, and other hardware items shall be corrosion resis- tant or heavy cadmium plated metal 2E 2 3 3 Insulation and~ All insulated windings shall have Class F nonhysroscopic insulation systems Stator insulation systems shall ba form wound utilizing vacuum-pressure impregnated epoxy and shall be sealed in accordance with the requirements of NEMA MG 1-20 All insulated winding conductors shall be copper 2E 2 3 4 Temperature Rise The temperature rise when operating at the rated load and 50 C ambient shall not exceed 70 C when measured by resis- tance or 75 C when measured by embedded detector (RTD) The temperature rise requirements shall apply to all the generator in- sulated windings including armature, main field, exciter armature, and exciter field 2E 2 3 $ Space Heaters The generator shall have space heaters Space heaters operating at 1200 watts and lees shall be suitable for operation on 120 volts, single-phase, 60 hertz power circuit Heaters operating above 1200 watts shall be arranged for operation on 208 volts, 3 phase, 60 hartz power circuit Space heaters shall be rated for 240 volt operation, but shall be utilized at 120 volts ac The heaters shall be provided inside the generator enclosure in a loca- tion suitable for easy removal and replacement Heaters shall be located and insulated so they do not damage generator components or finish Space heaters shall be sized as required to maintain the generator in- ternal temperature above the dew point when the generator is idle The internal temperature shall not cause winding temperatures to exceed rated limiting values nor cause thermal protective device "over temperature" indication when the generator is not energized [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2E-2 Section 2E - GENERATOR AND EXCITATION SYSTE/4 2E 1 GENERAL The generator and excitation system shall be furnished in accordance with the requirements of this section 2E 2 GENERATOR In case of conflict between the requirements of the various parts of these specifications, the requirements of the different parts shall govern to the extent of such conflict in the followin8 se- quence mandatory governmental tabulations, codes, and standards, Gener- ator Specification and Data Sheets included at the end of this section, the other technical sections, this section, the referenced industry codes and standards 2E 2 1 ~odes and Standards The generator shall conform to applicable standards of ANSI, IEEE, and NEMA, except where modified or supplemented by these specificat~ons In case of conflict between any of the industry standards relative to manufacturin8 requirements covered in these speci- fications only by reference to the standards, the requirements of NEMA shall govern Ail equipment and materials shall be in accordance with the applicable requirements of the Federal "Occupational Safety and Health Standards" 2E 2 2 Ratings The generator power input ratin$ shall be not less than the maximum expected power output of the turbine The generator power output rating shall not he less than specified in Article 2A 5 & 2E 2 3 Design and Construction The Senerator shall be a horizontal salient pole synchronous machine designed for coupling to the turbine or a speed increaser The 8enarator shall be coordinated with the overall design of the hydroelectric system and shall be as specified herein and on the Generator Specification and Data Sheets 2E 2 3 ! ~ameplates All generator nameplate data shall conform to NEMA MC 1-21 61 requirements The following additional nameplate data shall he included Frame size number Insulation system class designation Oil pressure required for pressure lubricated bearinss Complete nameplate data shall be included on the generator dimensional drawing submitted for final review All generator nameplates and attachment pins shall be corrosion resistant metal [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2E-I as listed in the table following Incoming power supply cable size and materiel will be furnished later Terminal connectors shall be as fol- lows or acceptable equal 8urndy Terminal Connector Power Supply Cable Size Cop~er Aluminum 8 AWG and smaller YAV 6 AWG thru 4/0 AWG YA YA-A-TN 250 Mcm and larger YA-2N YA-A-2NTN The nnucral leads connection shall be arranged for easy accessability and disconnecCion for removal of the current transformers 2E 2 3 9 Ground Connectors The generator shall be furnished with a grounding connector attached to the generator frame inside the power lead terminal housing The grounding connector may be a lug or terminal or other acceptable grounding connector Two additional grounding connectors shall be permanently attached to the frame The grounding connectors may be corrosion resistant metal pads, containing two N~MA spaced and sized threaded holes, welded or brazed to the frame, terminal connectors attached to the frame, or other acceptable frame groundin~ method The grounding points shall be on the sides of the frame 2E 2 3 10 Bearings The type of bearing furnished shall be as specified on the Generator Specification and Data Sheet 2E 2 3 10 1 Slidin~ Type ~ Sleeve bearings shall be oil ring lubrica2ed type The oil ring shall be one-piece construction, split type construction will not be acceptable The bearings, end belle, and bearing housings shall be split type when available Air gap measurement holes or other acceptable means shall be provided in each end enclosure for checking air gap Sleeve bearings shall be designed and located centrally, with respect to running magnetic center, to prevent the rotor axial thrust from being con- tinuously applied against either end of the bearing The generator shall be Capable of withstanding without damage the axial thrusts that are de- veloped when it is energized 2E 2 3 I0 2 BearinS Lubrication System Lubrication for oil lubricated bearings shall be furnished by an internal lubricant recirculation sys- tem, Oil reservoir capacity and ventilation of the bearing housing and oil reservoir shall be as required to adequately maintain proper cooling of the oil and bearings [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] 2E-4 Space heater leads shall he stranded copper cable with 600 volt insula- tion and shall include terminal connectors Space heater sheaths shall be of a corrosion resistant, nonoxidizing ma- terial and shall have a thickness not less than 0 025 inch 2E 2 3 6 Surge Protection Rotating machine surge protection arrestors and surge capacitors shall be provided These items shall be located in the main power lead terminal box 2E 2 3 ? Terminal Housin~ A terminal housing for power leads and a separate accessory terminal housing for accessory leads shall be fur- nished Leads insulated for different voltage classes shall not occupy or terminate in the same housing under any conditions If required, a neutral lead and neutral current trans£ormer terminal housing may be provided All terminal housings shall be externally mounted on the frame enclosure Terminal housings shall be pressed steel or fabricated steel Housings shall be diagonally or longitudinally split with a gasket between the split halves of the housing Each housing shall have a threaded opening to provide a water~isht rigid connection with the conduit, and shall be designed for rotation in 90 degree increments, or have provisions included o~herwise, to receive conduit from any of four directions Nonconducting lead positioners and gaskets shall be furnished between the housings and chi frame All leads located in the housings shall have terminals and shall be permanently numbered for ease of identification Separate accessory terminal housings provided for current transformer leads, temperature detector leads, space heater leads, alarm devtce leads, speed switch leads, and other similar accessory equipment leads shall be complete with screw type terminal blocks in accordance with the require- ments of Section lB for termination of such leads Terminal blocks for current transformer leads shall be shorting type Each terminal in the blocks shall be identified and marked for its respective leads Accesso- ry terminal housings shall be accessible from outside the generator All power lead terminal housings aha11 be large enough to provide working space for the field fabrication of stress cones within the housing and to contain the stress cones after fabrication Surge capacitors and attesters shall be mounted at the terminals inside an oversized housing Location and dimensions of terminal housings shall be acceptable to the Engineer 2E 2 3 8 Terminals Cable type leads shall be provided with compression type terminal connectors Connector type shall be coordinated with in- coming power supply cable and neutral groundin8 cable size and material [DERTON 10566 TURBINE GEN 62 0200] 031387 2E-3 fhe;lb~slanced z 'erforman~r assembly ~L 'ezghts -_ =~ be d~ ~ &enera=o. _ ~eVels ~ '"Creaser "~usta The OUtput s :he gener-- haft ahal~ ~ at rate~ =cot ~agne.~- oe Clrc~ ~ ~ue~tl~ -r~g h- ~ refer~ wae~ le,. , '~able = uusl~ =ncc ~ -e~ 2B 2 3 [3 SOle la ~or USe ~, ~°r shaf~ _~an~ shaT~ ~" rt bol ~.all be '"nec~l°~ d co. ~he co~~e and loc~i~ ~°lepla~ ~' waShe~ fu~ished ..~e~ails a~ --e~e founa '~aou of ~-'e dra~_ -'' a~d ~z,* ~i~ aac~ ' ProCedu- ---a:lo~ ~.~ -.,e anChOr bolts sh_~op d=llle~V: :he ~e~erh~al area l~ waah'~l be loca.~a.d be or__~c°r mounts5'~i not be - COmPla._T~s and nu.~''u Under t~ "csized 1/4 ~"8 bol~a ~ ~eas than eo/ep/~'~Jy grout'~J. Shall cl~_generator znch la di..~Chor bo/~ ~e. ~al S and ~ ~da ~ Stilled -' Portion ceaE above atlo~ a~d tapped~ o~ each ~he The generator s SPeed range of ~avay sp~tUral freque hall be applicable -= ~urn~d~ darda requirements and lasts., earing an~ °Petering , ag~ HG 1.o~C°rdanCe w~e detec_ -u, and IEeE '~g the All to te~l- _ Ute ground~_nal bloc~ ~-cors sha~ . with ~__~-ur lead . or aac~ t-- the ~CCe d wl~h d -~"uulet ~j~ a co~e ~roundln~ .-~r Shal~ ~lngs -uts Shal1~i~ard ~ '=ceCtors _~ -~vab/e --a~ box * va ~on~_~-.,araC:e.. snell b- - ' D~ON 10566 ~ ~ 62 0200] 0~1387 2E-6 ] 2E 2 3 10 3 Miscellaneous gearin~ Requirements Ail bearing mountings shall be designed to prevent the entrance of lubricant into the generator enclosure or dirt into the bearings, and shall be provided with pipes and drain plugs Filler caps for oil lubricated bearings shall be arranged for safe, easy addition of lubricant from the outside of the generator while the generator is in service Ail oil lubricated bearings shall be provided with oil level sight glasses marked for required oil level at generator running and standstill Plastic sight windows or bottles shall be of a material not adversely affected by continuous exposure to sunlight Sight glasses shall be Gits Style FG or BW-20, Tedeco P/NS, or acceptable equal Stationary labyrinth seals shall be bronze material Insulation shall be provided to prevent circulation of shaft current on bearings, on bearing temperature detector connections, or on oil piping connections Bearings and bearing housings shall be designed to sustain the additional load due to flywheel weight and co permit disassembly in the field for inspection of the hearings or removal of the rocor Bearing lubricants shall contain a corrosion inhibitor The type and grade of lubricant shall be indicated on a nameplate attached co the generator frame or end shield adjacent to the lubricant filling device The Contractor shall furnish all lubrication information required to as- sure proper equipment start-up and subsequent bearing maintenance A vibration switch as manufactured by Robert Shaw shall be provided to monitor vibration and trip the unit on high vibration 2E 2 3 11 Rotors The rotor shall be of laminated salient pole design with noninterconnecced damper windings The poles shall be fastened to the rotor by "tee" tails or dovetails The rotor, including poles and windings, shall be capable of withstanding all continuous and transient forces caused by maximum runaway speed or a sudden 3 phase short circuit at the generator terminals without damage or deformation to any component A flywheel shall be mounted between the generator bearings and shall be incorporated into the generator overall design in order to meet the moment of inertia (WR2) minimum requirement to limit ovarspead on load rejection All rotating components shall be dynamically balanced after mounting on the shaft Generator vibration shall not exceed the peak-to-peak ampli- tude values 8ivan in NEMAMG 1 standards when measured in accordance with those standards In addition, the masnitude of vibration values for twice the line frequency vibrations shall not exceed 0 5 mil [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2E-5 2E 2 6 Manufacturer The generator shall be as manufactured by one of the following Electric Machinery General Electric (Canada) Louis Allie 2E 3 EXCITATION SYSTEM The excitation system shall be brushless, con- sistin$ of an electronic dual channel PI or FID type automatic voltage regulator (AVR), a rotatin$ armature type alternating current main exciter machine (multiple of 60 hertz frequency) and an unregulated rotating rec- tifier bridge with silicone diodes Field excitation energy for the ac main exciter machine shall be derived from the excitation power transformer, connected directly to the genera- tot buebar Thle power shall be fed to the exciter machine field winding in regulated mode through the thyristorized auxiliary excitation rectifier, controlled by sate control from the electronic type AVR If the generator remanent voltage is insufficient for voltage buildup, an additional 120 volt ac plant auxiliary source will be provided for initial excitation power The equipment offered shall correspond to the basic layout as outlined in IEEE 421 The bidder may offer equipment which deviates from that stand- ard only to a limited extent 2E 3 1 O~erational Requirements In addition to the requirements of Article 2A S 5, the following requirements apply During "automatic" operation, and within the area of the capability diagram, the terminal voltage of the generator shall be kept stable, without hunting, within the '~ominal Band of Regulated Voltage" (as defined by IEEE 421-1972) specified at the prevailing set point During transient or abnormal operating conditions, including failures of the turbine, governor, generator, exciter or grid, the terminal voltage of the generator shall be kept within safe limits by the AVR, and such conditione shall be guarded by the control, limiting, or protective de- vices provided in order to sustain operation of safety as long as feas- ible The system shall be designed for "manual" and "automatic" voltage control On co-..-nd "exciter on" provided from the control system or manually, the excitation system shall provide excitation current to the generator field as required for voltage buildup under AVR control with the set point "au- tomatic" prevailing, which is normally 95 percent UN at no load [DENTON 10566 TURBINE GEN 62 0200] [ 031387 l 2E-10 accuracy and stability, and be insensitive to vibration and strain Each detector shall be furnished with three leads Thermocouple type temperature detectors shall be as specified in Sec- tion lB Thermocouple extension wire shall he solid 18 AWG or larger 2E 2 3 15 1 Bearin~ Temperature De=actors Bearing temperature detec- tors, complete with detector head and holder assemblies as required, shall be furnished when specified on the Generator Specification and Data Sheets The detector temperature-sensitive tip shall be hermetically sealed and held in intimate contact with the outside diameter of the hearing babbitt not over 1/8 inch from shaft surface of bearing babbitt for sleeve bearings The Contractor shall submit drawings to the Engi- neer indicating the detector location and mounting 2E 2 3 15 2 ~ Temperature Detectors Winding temperature detec- tors shall be furnished, installed and wired complete when specified on the generator Specification and Data Sheets Ail resistance type detectors shall be noninductively wound, annealed after winding to ensure accuracy and stability, and be insensitive to vibration and strain At least two detectors per phase, evenly spaced around the stator, shall be embedded between the coils in the stator slots Leads shall be furnished with ring type terminals Temperature detector and detector lead insulation class shall be ~he same as ~he 8~ator coil insulation class Detector leads external to the slot shall be provided with protective brass interlocked spiral armor The armor shall be Anaconda Type gL, Penflex Type gQ, or acceptable equal metallic type Ail temperature detectors shall be tested at 1500 volts to ground and checked for accuracy i""-ediately prior to performing the final winding dielectric tests Accuracy shall be checked by measurement of the detec- tor resistance or by checking the temperature reading obtained with a temperature detector meter when the windinss are at room temperature 2E 2 3 16 Differential Protection The generator shall be furnished with three bushing type relaying accuracy current transformers, one on each neutral lead Current transformers shall be provided with e~randed cable type leads and shall be removable without disassembly of the gener- The current transformers shall be mounted in the main power lead terminal housing or a current transformer housin$ located on the side of the generator frame Current transformer secondary leads shall be wired to shorting type ~erminal blocks mounted ia ~he separate accessory terminal housing [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2E-7 The neutral leads shall be wired to the CT primaries The wye connection shall be completed at the factory, leaving only four leads TI, T2, T3, and neutral for field connection in the ps,er lead terminal housing 2E 2 3 17 Sound Level The sound level shall be selected by the Con- tractor to confo~---~h the overall equipment assembly sound level re- quirements which are included elsewhere in these specifications, but in no case shall the average ne-load sound pressure level, re 0 0002 dyne/tm2, produced by the generator exceed 90 dBA free field at 2 meters Noise level tests shall be in accordance with the requirements of IEEE 85 In addition to the specified overall sound pressure level, single fre- quency noise, regardless of cause or source, shall not exceed levels which are irritating or which can produce damage to the human ear Sound reduction baffles, mufflers, and materials shall be contained with- in the enclosure 2E 2 4 quality Control Tests and Inspections The generator shall be tested and inspected at the manufacturer's factory to determine that it is free from elec~rlcal or mechanical defects and to provide assurance thac it muets the requirements of these specifications Test procedures shall be in accordance w~th IEEE No 115 Test Procedure for Synchronous gachine8 Five copies of reports of the quality control tests and inspections for the generator shall be submitted to the Engineer prior to shipment of the senerator from the manufacturer's factory The routine tests listed in NEMA MG I shall be performed The following add~tional tests and inspections shall be performed Mechanical balance Current balance check, no-load Armature winding polarization index test Airborne sound pressure level measurement Air Sap muasurements Winding temperature detector dielectric and accuracy tests The polarization index specified above shall be determined from an insu- lation resistance-time curve corrected to 40 Co and shall be taken imme- di~tely prior to perfo~ming the final high potential ground test Each starer phase shall he casted separately to ground with other phases grounded Phase windings shall he tested at not less than 5000 volts dc The ambient temperature, winding temperature, and relative humidity [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2E-8 accuracy and stability, and be ineensitive to vibration and strain Each detector shall be furnished with three leads Thermocouple type temperature detectors shall be as specified in Sec- tion lB Thermocouple extension wire shall be solid 18 AWG or larger 2E 2 3 15 1 Bearing Temperature DeCectore Bearing temperature detec- tore, complete with detector head and holder assemblies as required, shall be furnished when specified on the Generator Specification and Data Sheete The detector temperature-sensitive tip shall be hermetically sealed and held in intimate contact with the outside diameter of the bearing babbitt hOC over 1/8 inch from shaft surface of bearing babbitt for sleeve bearings The Contractor shall submit drawings Co the Engi- neer indicating the detector location and mounting 2E 2 3 15 2 Winding Temperature Detectors Winding temperature detec- tors shall be furnished, installed and wired complete when specified on the Generator Specification and DaCe Sheets Ail resistance type detectors shall be noninducCively wound, annealed after winding Co ensure accuracy and stability, and be insensitive to vibration and strain At least Cwo detectors per phase, evenly spaced around the sector, shall be embedded between the coils in the eCacor slots Leads shall be furnished with ring type terminals Temperature detector and detector lead insulation class shall be the same as the sCacor coil insulation class Detector leads external Co the slot shall be provided with protective brass interlocked spiral armor The armor shall be Anaconda Type gL, Penflex Type gQ, or acceptable equal metallic type Ail temperature detectors shall be tested aC 1500 volCe Co ground and checked for accuracy immediately prior to performing the final winding dielectric casts Accuracy shall be checked by measurement of the detec- tor resistance or by checking the temperature reading obtained with a temperature detector meter when the windings are ac room temperature 2E 2 3 16 Differential Protection The generator shall be furnished with three bushing type relaying accuracy current Cransfonaere, one on each neutral lead Current transformers shall be provided with stranded cable type leads and shall be removable without dieassembly of the gener- ator The current transformers shall be mounted in the main power lead terminal housing or a currant transformer housing located on the side of the generator frame Current transformer secondary leads shall be wired Co shorting type terminal blocks mounted in the separate accessory terminal housing [DENTON 10566 TURBINE GEN 62 0200] 031387 2E-7 The AVl{ shall provide safe and continuing operation upon oc- currence of inadmissible operating conditions (excessive set point, internal failure, external disturbances, excessive load angle, overexcitation, underexcttation, etc ) by the limiting action of the limiting devices provided The AVE and the excitation system shall have the following additional compensating limiting and protective functions In case of disturbances in the AVE, the voltage sensing cir- cuit, or the gate control unit, a follow-up device shall be provided for the "manual" set point, which shall automatically be set Co the prevailing set point of the reference value for automatic voltage regulation, in order to permit automatic changeover (trip) to manual without sudden change of reactive power Reactive current dependent droop £or reactive load sharing with adjustment range of 10 percent Maximum field current limiter function for inductive (over- excited) load region Load angle limiter function or a limit of stability limiter function for capacitive (underexcited) load region Frequency compensation limiter function (U/F = const) with adjustable time delayed action The following disturbances shall be indicated separately at the AVE's failure indicating panel and shall initiate an unenergized contact closure for a common alarm signal "excitation system trouble" to the station annunciator AVE internal failure Failure off automatic gate control unit Actuation of one of the protective or limiting devices of the AVE Failure of chyristor aC auxiliary excitation rectifier Failure of diode (fuses) at rotating main excitation recti- fier Loss of AVE sensing voltage signal [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] 2E-12 The excitation system shall provide a positive sisnal "exciter ready for operation" and a lockout signal "exciter trouble" to the startup sequence controllers Startup and shutdown of the excitation system, selection of mods of oper- ation (manual/automatic) and adjustment of set points for "automatic" and "manual" voltage control shall he possible from the AVR panel In addi- tion, the Contractor shall provide a power factor controller This con- troller may be included as a part of the AVR, or as part of the unit con- trol system specified in Section 2H Excitation rectifiers (controlled thyristorized in AVR and rotatins diode rectifier in exciter field circuit) shall have a repetitive peak reverse (inverse) (URRM) and forward (UDRM) blocking voltage of not less than 3 5 times excitation ceiling voltage Further, the excitation rectifiers shall be capable of delivering for 10 seconds, maximum excitation current (i · , the current driven across the fields by the ceilin$ voltage) with- out exceeding permissible temperatures with maximum ambient air tempera- ture conditions A minimum redundancy of n + 1 shall be provided with respect to number of bridges or bridge arms in parallel for unlimited operation Special attention shall be paid to an effective natural convection cool- in8 of all electronic devices In no circumstances shall their tempera- ture ratinss be exceeded Maximum temperature rise of such equipment shall be limited to 20 C above ambient air temperature of 50 C within cubicles Separate electric forced air coolin8 fans ~lll not be accept- able in the system 2E 3 2 Automatic ~oltase Regulator The automatic voltage regulator (AVR) shall be mounted in the unit control panel The AVR shall have terminal voltase and excitation current regulation systems The former shall be for automatic control, and the latter shall be utilized for manual control The system shall be identical and redundant During manual control, all protective and limiting devices shall remain in service and shall initiate alarm and shutdown signals if necessary The AVR panel shall be provided with an exciter field ammeter and voltmeter The AVR shall have the followin$ performance in addition to chat speci- fied previously The automatic voltage control action shall be within an AVR set point tense of 90 percent (at no load) to 110 percent (at full load) of generator rated voltage, upon any devia- tion from the set point The manual voltage control shall be vithin a set point range of 5 percent terminal voltage (at no load) up to 110 percent (at full load) [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2E-ll Nominal exciter output voltage shall correspond to the gen- erator field circuit requirements, taking into account the voltage drop across the rotating main excitation rectifier Nominal exciter output shall be according to generator field circuit requirements The maximum excitation power demand shall be delivered from the ac main exciter without exceed- ing any component thermal or mechanical ratings AC main exciter maximum output voltage (excitation ceiling voltage) shall be not less than 1 5 times nominal exciter output voltage Exciter field leads shall be wired to a dedicated auxiliary terminal box 2E 3 6 Rotatin~ Main Excitation Rectifier The rotating 3 phase recti- fier bridge shall be mounted on or inside the exciter rotor on a carrier ring The rectifier shall be directly connected to the exciter armature winding terminals on the ac side and directly connected to generator field leads on the dc side Diodes shall be silicone power diodes Diodes shall be mounted in heat sinks and shall not exceed 80 C tempera- *tuts ~i~s on the diode stud under maximum load ~ o_ve_r 50 C cooling air temperature The number of diodes in parallel connection in each branch of the 3 phase bridge connected rotating main excitation rectifier shall be such that in case of failure of 20 percent of the diodes in any branch, 100 percent peak excitation current is still delivered without exceeding 80 percent of any diode current rating Quick-acting fuses of respective rating shall be provided in series con- nection with each diode path for selectively switching off any failed diode Fuses shall have a bouncing pin failure indicator and shall be mounted equally spaced at the same level on the rectifier support ring, in order to permit checking of fuses during operation by means of a frequency- adjustable battery operated stroboscopic lamp through an inspection door Adequate surge protection capacitors with damping resistors or metal oxide varistors shall be provided for every diode in order to avoid voltage surges due to commutation (carrier storage effect) *Negotiated Revision [DENTON 10566 TURBINE GEN 62 0200] [ 111987 ] 2E-14 A signal initiating unit shutdown, a de-energized contact closure for common alarm signal of "excitation system failure" to the station an- nunciator, and a lockout s~gnal to the master sequence Controller shall occur upon the following Failure of an unacceptable high number of thyristors, diodes, or fuses at auxiliary/main excitation rectifier Actuation of loss of excitation power protection relay Loss of AVR and/or excitation system supply voltage Failure of manual gate ignition unit 2E 3 3 Excitation Power Transformer The excitation power transformer shall be provided in accordance with Section 2G 2E 3 4 Auxiliary Excitation Rectifier The auxiliary excitation recti- fier shall be rack mounted with the AVR panel The rectifier shall be designsd for natural convection cooling and shall have the following characteristics Power output As required for ac exciter nominal field exoitation plus 10 second maximum current/csiling voltage short-time rating Connection Three-phase bridge, gate controlled Rectifier thyristors shall be silicone controlled rectifier Surge capacitors and damping resistors for each thryristor shall be provided Quick-acting fuse with failure indicator pin in series connection with each thyristor shall be provided A fuse in series with the entire thy- ristor bridge will be acceptable only if a redundant thyristor bridge is provided The temperature rise of each thyristor (at base of cooling fin connection *to heat sink) shall be ~ ~0 C or less ~/~ o_v~r an ambient air tem- perature of 50 C 2E 3 5 Alternatin~ Current Main Exciter Machine An alternating current main exciter machine of rotating armature winding type shall be provided on the generator The machine shall consist of the following items and have the following characteristics AC main exciter field circuit requirements (power, voltage, current) shall match the respective figures of the auxiliary excitation system as derived from the AVR *Negotiated Revision [DENTON 10566 TURBINE GEN 62 0200] 111987 2E-13 2E 3 7 Field Circuit Breaker A field circuit breaker and field dis- charie resistor shall be furnished and mounted in the unit control panel The circuit breaker shall an electrically operated 2 pole 8enerator field breaker The field breaker shall be capable of successfully interrupting field current durin8 maximum transient conditions It shall have at least three "a" and three "b" auxiliary contacts for indicatin8 llihts and inter- locks As an alternate to the field circuit breaker, free wheelin$ diodes may be provided to dissipate the enersy durin8 transients [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2E-15 The generator shell be designed and constructed in accordance with the following require~ents Type Salient pole synchronous Voltage 4160Y/2400 volts (6 terminals), 3 phase Power factor 0 9, over excited Frequency 60 hertz, +2 percent, -3 percent Duty Continuous Excitation system Brushless rotating rectifier Service Indoor Mounting Horizontal Ambient temperature range -18 C minimum, 50 C maximum Enclosure type Dripproof Bearing type Split sleeve Bearing lubrication system Oil rings, self-cooled Shaft Solid Coupling to speed increaser Preferably tooth type coupling The generator shall be furnished with soleplates The generator shall be furnished with the following temperature detectors Bearings Thermocouples or resistance temperature de- tectors for temperature monitoring, tempera- Cure switches for tripping Armature windings Resistance temperature detectors The generator shall be furnished with three current trans- iomers for differential protection, 600 5 ampere ratio, C100 accuracy class, and three current transformers for use with the power factor controller, 600 5 ampere ratio, ANSI metering accuracy Class 0 3, E 1-1 0 The generator rotor and flywheel total inertia (WRl) shall be a minimum of 42,200 lb-it1 (referenced to 720 rpm) BLA K & VEAT :PRO*ECT SPEC 62 0200 ENGINEERS ARCHITECTS GENERATOR SPECIFICATION AND DATA SHEET 2E-16 mesh screened ventllatin$ louvers shall be provided to dissipate heat generated by the enclosed equipment under rated operacin8 conditions Internal barriers shall be provided to isolate the various items of equipment within the enclosure All interconnections between components within the neutral 8rounding equipment enclosure shall be with solid copper bus or with stranded copper cables 2F ~ TIGI~G OF CONNECTIONS The Contractor shall include on his erection and aSse~'~17 drm~inSs complete in~o~mation for tightening of all elect~ical connections secured with bolts or s~uds. The info.scion ~u~- nished shall incl~e totoue ~ench se~tin8s or c~lete details o~ other cighceuin8 procedures rec~ended for bus Joints and co~ectot attach- [D~O~ 10566 ~ll;E OH 62 0200] [ 030885 ] 27-2 Section 2F 2F I GENERAL This section covers furnishin$ neutral grounding equip- ment, mate~ials, and accessories ~xcept as ocher~ise specified in this section, the neutral Sroundin$ equipment, m~terials, and accessories shall be s8 specified in Sectiou lB iF 2 CODES A}ID STANDARDS All equipment furnished under these speci- f~caCions shall ~o applicable standards of ~SI, N~, and ~EEE ~ ~ter~a~s and devices sha~l be ~n accordance w$ch the applicable qu%~e~ncs of the F~de~a~ "OccupaCio~ Safety and Hea~th S~andards" 2Y 3 E~UIP~ R~UIR~TS NeuCra~ groundins equipment dasisned for use vi~h the ~sn~racor described in $~cCion 21 shall be furnished ~e Equipment shall Include one ~ndoor ~eneracor neutral ~roundi~g ~qutp- menC enclosure wl~h the follovinl items fu~ishad, mounted, and connected within the enclosure 1 - GroundinS transpolar sinsle-phasa, cast resin, 4160-~20/240 volts 1 - Resistor raced for 1 minute, cast ~rid type, connected co shunt the 240 volt secomda~ windin~ o~ the fomr Connections shall be provided fr~ the siecor co au easily accessible ~mi~l block fo~ re~ce relayin~ 1 - ~ouad bus with p~isious fo~ aCCac~aC o~ a ~/0 Co 300 Mcm sc~auded coppe~ cable Ail equi~emc quirins S~ouuding shall be co~ecCed Co ~his bus ~ - Te~inal block, connected Co the S~oumding seconda~ ~or extension ~o ~he p~ocec~ive ~elav ~e C~ans~o~ and ~esis~oz kVA and kW racings shall be as requi~ed l~i~ the $~ound fault current Co a value ~z ~esulcs in the resistor duria~ a ~nd faul~ Co be equal co the aoml sysC~ line-Co-sround capacitive kVA. buc. in no case shall the Sround fault cu~en~ be less chaa 5 ~e~es ~e Contractor shall ~u~nish. ~o~ the Ensinae~'s ~evie~. calculaci~s used co data.ne the S~oundin~ system capacity ~e enclosure s~ll be ~ab~icacad ~om leveled steel sheets hoc less than ~1 USS sauge. ~e~n~orced wich we~ded steel ~e~ers Co ~om a rigid ~ree- standing sc~cCure Doo~s wi~h concealed hinses and ~h~ee-poim~ latches s~ll be p~ovided ou the ~oaC and ~ea~ o~ the enclosure ~o~ equipment access Latch asse~ly shall include lock type handles ~e-fou~h inch [DENTON 10566 TUREINE G]~ 62 0200] [ 022786 ] 2~-1 2G 4 1 Maintenance and ~~, and Spare Parts Tbs ewitchgear shall be furnished with the following maintenance and operat- ing equipment 1 - Test cabinet with test Jumper for testing breakers out of housing 1 - Breaker transfer truck, if required to move the circuit breakers into and out of the breaker housings I - Maintenance closing lever for closing the circuit breakers 1 - Manual operating lever for moving the breaker elements into and out of the operating position ~ 1 - Set of test plugs suitable for testing the relays The switchgear shall be furnished with the following spare parts 100 per cent replacement of fuses i00 per cent replacement of color caps 100 per cent replacement of lamps for indicating lights The bidder shall include with his proposal a complete list of other spare parts or special tools which will be furnished with the equipment and are included in the lump sum price stated i~ the Proposal 2G 4 2 Switch,ear Enclosures The switchgear shall be furnished with NEMA 1 gaeketed enclosures Ail ventilation openings shall be filtered and have rodent proof screens Switchgear equipment shall be mounted in vertical sections fabricated of steel and assembled to provide rigid self-supporting structures The breakers shall be removable from the front Grounded removable steel barriers shall be provided between the instrument panels and the power cable and current transformer compartments Where 8crew type fasteners are indicated in these specifications to be an acceptable type fastener for securing removable panels in place, it is preferred that the screws fit into threaded openings in the enclosure framework The framework shall provide three full threads to receive the screw type fasteners In the event that the framework is too thin to provide for three full threads, the framework shall be reinforced or shall be furnished with nuts welded at the screw holes to provide the [DENTON 10566 TUI~INE GEN 62 0200] [ 031187 ] 2G-2 Section 2G - METAL-CLAD SWITCHGEAR - 2G I G~NERAL This section covers furnishing of 5,000 volt metal-clad switchgear equipment, materials, and accessories as specified herein and on the Switchgsar Unit Specification and Data Sheets included as a part of this section Except as otherwise specified in this section, metal- clad switchgsar equipment, materials, and accessories shall be as spec- ified in Section lB The 5,000 volt switchgear shall be designed and constructed for use on a 4,160 volt, 3 phase, 60 hertz, 3 wire, ungrounded system Except as specified otherwise herein or on the Switchgear Unit Specifica- tion and Data Sheets, all equipment shall be designed for service at sea level at an ambient temperature of 50 C 2G 2 CODES AND STANDARDS Ail equipment furnished under these speci- fications shal-'-~ conform to applicable standards of IEEE, NE~A, and ANSI Ail materials and devices shall be in accordance with the applicable re- quirements of the Federal "Occupational Safety and Health Standards" In case of conflict between the requirements of the various parts of these specifications, the requirements of the different parts shall gov- ern to the extent of such conflict in the following sequence mandatory governmental regulations, codes, and standards, Switchgear Unit Speci- fication and Data Sheets, this metal-clad switchgear section, and the referenced industry codes and standards 2G 3 ARRANGEMENT The switchgear shall be arranged as indicated on the Switchgear Unit Specification and Data Sheets This arrangement is preliminary In the event that rearrangement is re- quired due to the Engineer's request, or the Contractor's proposal, a new arrangement shall be furnished to the Engineer The Contractor shall proceed with design and issuance of certified shop drawings only after receipt of the Engineer's acceptance The switchgear units shall be numbered from left to right facing the op- erating (drawout) side of the switchgear 2G 4 DESIGN AND CONSTRUCTION Design and construction of metal-clad switchgear shall he in accordance with the requirements of the articles which follow [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] 2G-1 Voltage normally applied to the space heaters will be 120 volts Space heater'voltase rating shall be 240 volts The bmr will furnish a 120 volt ac, single-phase, 60 hertz feeder to the Switchgear assembly for switchgear space heaters The Contractor shall furnish all space heater wiring integral to the switcbgear and suitable branch circuit protection 2G 4 2 4 Nameplates Engraved nameplates shall be furnished for the front and rear of each switchgear unit and for equipment and devices within each unit Nameplate inscriptions will be furnished by the Engi- neer, at a later date 2G 4 3 Power Circuit Breakers The switchgear shall be furnished with high' voltage power circuit breakers of standard drawout design The breakers shall not be forced cooled Removable breaker units of the same type and ampere capacity shall be wired alike and shall be mechanically and electrically interchangeable Terminal desisnacions shall be as indicated on the Typical Schematic for 4160V Feeder Circuit Breakers included at the end of this section 2G 4 3 1 Rating Power circuit breakers furnished under these specifi- cations shall be provided with the following ratings 4160 V Breakers Rated maximum voltage, kV tms 4 76 Rated voltage range factor, K 1 24 Rated low frequency withstand voltage, kV ms 19 Rated full wave impulse with- stand voltage, kV peak 60 Rated short circuit currant, amperes rms 29,000 Related required capa- bilities Maximum sy~metrical interrupting capability, amperes rms 36,000 [DENTON 10566 TURBINE GEE 62 0200] [ 030885 ] 2G-4 necessary thickness The Contractor shall furnish 100 per cent replace- ment screw type fasteners if they are of a noncaptive type and 50 per cent replacement screw type fasteners if they are of a captive type If the manufacturer's standard fasteners for removable panels consist of screw type fasteners which are inserted in captive nuts held in place by nut retainer clips, they will be acceptable, but the Contractor shall furnish 100 per cent replacement nuts and nut retainer clips as switch- gear spare parts The quantity of replacement screw type fasteners shall be as specified in the previous paragraph The rear panels shall be removable 26 4 2 1 Front Doors Each switchgear unit shall be furnished with a hinged front door to allow removal of the circuit breaker, and a separate hinged front door to provide access to the secondary or control compart- ment of the unit, and for mounting instruments, meters, relays, switches, indicating lights, and other specified devices Doors shall be furnished with turned-back edges and additional bracing as required for rigidity No hinge shall be visible from the outside when the doors are closed Stops and latches shall be provided for control of each door in the opec and closed positions Latches for the closed posi- tion of each door shall be one of the following or acceptable equal One three-point single handle operated latch Multiple single-point latches consisting of captive knurled handle quarter-turn cam fasteners or threaded screw retain- ing Bolts Doors which are 36 inches or less in height shall have a mis/mum of two single-point latches, doors which are greater than 36 inches in height shall have three single-point latches 2G 4 2 2 Channel Sills Channel sills shall be furnished for instal- lation in the switchgear foundation and shall be arranged for tack welding to the switchgear base from inside the units The channel sills shall be shipped separate from the switchgear as scheduled in Section lA 2G 4 2 3 Switch,ear Space Heaters Each unit of outdoor ewitchgear shall be furnished with space heaters to prevent condensation of moisture within the switchgear The heaters shall be located and thermally in- sulated such that no painted surface will be d-m~ged or discolored Space heater capacity shall be as required to maintain the compartment and unit internal temperature above the dew point [DENTON 10566 TURBINE Ol~l 62 02001 [ 031187 ] 2G-3 Each breaker shall be furnished with not less than two "a" and two "b" electrically separate auxiliary contacts mounted on the breaker for re- mote interlocking service Each switchgear unit containing a circuit breaker shall be furnished with not less than eight "a" and eisht "b" electrically separate breaker mechanism operated auxiliary switch con- tecta mounted in the switchgear unit enclosure for remote interlocking service These auxiliary contacts and auxiliary switch contacts shall he in addition to those specified in the preceding paragraph Breaker mechanism operated auxiliary switches shall operate only when the breaker is in the connected position All additional auxiliary contacts shall ha wired to terminal blocks for external connection 2G 4 3 & Breaker Control Devices Each breaker shall be furnished with a local control'switch and breaker position switch arranged to provide the following control of breaker operation Breaker Breaker Operation Drawout Remote Contro,~, Local Control Switch Position Close Trip Close Trip Connected X X .... Teat __ -- X X Disconnected ........ Each circuit breaker local control switch shall have a trip-close es- cutaheon, shall have a center normal position, shall be spring return to normal from close and trip, shall have red and green targets to indicate the~latest operation of the switch, and shall be furnished with red and green indicating lights The,breaker poaition switch shall be furnished with four stages Two breaker position switch contacts shall close only when the breaker is in the co.netted position, the remaining two contacts shall close only when the breaker is in the test position 2G & ~ Power and Control Conductors Switchgear power and control con- duc~ors shall be f~d in accordance with the requirements of the ar- ticles which follow Provisions shall be made for bus expansion, to pre- vent undesirable or destructive mechanical strains in the bus supports and connections, through a full ambient temperature range from -30 C to +50 C Expansion Joints shall be furnished where required [DENTON 10566 TURBINB GEN 62 0200] 030885 ] 2G-6 4160 V Breakers Short time (3 second) current carrying capa- bility, amperes rms 36,000 Closing and latching capability, amperes rms 58,000 Rated interrupttn$ time (60 hertz basis), cycles 5 Rated permissible tripping delay, Y, seconds 2 Nominal control voltage Close, 120 volt ac, trip, ~8 volt dc Breaker continuous current ratings shall be as specified on the Switch- Esar Unit Specification and Data Sheets 2G 4 3 2 ~Mechanism Each po~ar circuit breaker shall be a 3 pole sinBle throw unit, complete with operating mechanism and other required devices, mounted on a drawout type carriage The operating mechanism shall be of the stored energy type with a closing coil and a shunt trip coil The closing devices, tripping devices, and charging motor shall be desisned and rated for operation on the nominal control voltage specified The operatin$ mechanism shall be trip-free in any position and shall be antipump The breaker main contacts shall not touch or arc across into a faulted circuit when a breaker close signal is received while a trip sig- nal is being applied Each breaker shall be furnished with a manual trip push button which me- chanically trips the breaker The manual trip push button and its asso- ciated breaker trip linkage shall have no common comRonents with the electrical trip mechanism, except the final breaker release device Each breaker shall be furnished with an operations counter which shall be readable from the front of the switchgear unit with the breaker in the connected position 26 4 3 3 Auxtltar~ Contacts Each breaker shall be furnished with a sufficient number of auxiliary contacts and auxiliary switch contacts to provide all necessary interlocks for operation of the breaker [DENTON 10566 TURBINE GEN 62 0200] 030885 ] 2G-5 2G 4 5 1 Entrance Adequate openings shall be furnished for all conduc- tors enterin$ the switchgear Cable entrance to the switchgsar will be as follows Power and control cable entrance shall be from the top 2G 4 5 2 Terminal Connectors Terminal connectors for power cable and ground cable entering the switchgear shall be furnished and shall be as listed in the following table or acceptable equal, solder type terminals are not acceptable Burndy Terminal Connector for Copper Conductors Cable Size, AWG Bolted Clamp Type Compression Type 8 and smaller YAV 6 thru 1/0 VA-2 YA-2N 2/0 and larger W~A-2N YA-2N Cable sizes will be furnished by the Engineer at a later date 2G 4 5 3 Stress Cones Where the Switchgear Unit Specification and Data Sheets indicate that the power conductors entering a switchgear unit will be cable, adequate space and facilities shall be furnished for flaring of power cables, for field installation of stress cones, and for support of tbs cabla The distance from the cable terminals to the window type current trans- former or the cable entrance location in each switchgear unit shall be not lsss than 38 inches 2G 4 5 4 Ground Bus Ground cable connectors shall be furnished for the attechmentof-~-4-~O-~G stranded copper cable to the ground bus for exter- nal connection to the station grounding system One connector shall be furnished at each end of the swttchgear assembly ground bus In addi- tion, each switchgear unit containing external power circuit terminals shall have provisions for attachment of power cable shields 2G & 6 Control Power The Owner will furnish a 2 wire dc feeder to the switohsser assembly for breaker tripping control power and a 120 volt ac circuit for breaker closing power The Contractor shall furnish all internal switchgear wiring required to distribute control power to each switchgear unit Each breaker shall be furnished with a 2 pole control power disconnecting and protective device in the closing circuit, and shall be furnished with [DENTON 10566 TURBINE GEN 62 0200] [ 030885 ] 2G-8 2G 4 4 1 Main Bus The switchgear main bus shall be copper bar, de- signed to carry continuously the current specified on the gwitchgear Unit Specification and Data Sheets without exceeding temperature rise require- ments specified in IEEE and NEMA standards The bus shall be installed with rigid, aontracking, £ire-resistant, and nonhygroscopic insulating supports capable of withstanding the mechanical forces imposed by short circuit currants equal to the momentary current rating of the circuit breakers The bus shall be supplied in unit lensths which will permit rearrangement of the units in the field All load current carrying connections shall be flat bar or acceptable equal All power current carrying connections shall be completed by bolting together flat bar All Joints shall have silver-to-silver contact surfaces with minimum contact resistance Instrument transformer primary connections shell be designed to permit removal and replacement of the transformers without damage to the con- nections Except at bolted terminations and connection points, all buses which are specified to be insulated shall be coated with epoxy type insulating ma- terial or acceptable equal molded around and bonded to the bus All bolted Joints, expansion Joints, bus connections, factory or field, and all terminals, cable connectors, or bus connectors for attachment of con- ductors of instrument transformer circuits and external circuits shall be insulated with removable boots Removable boots shall be designed to overlap permanent bus or cable insulation a minimum of one inch upon each conductor in the connection insulated by the boot The insulation rating of bus, Joint, connection, and termination insulation shall be not less than the voltage rating of the equipment The Contractor shall furnish all material required for field connections and insulation of switchgear bus and terminals 2G 4 4 2 Ground Bu._~s An uninsulatad copper ground bus with a momentary rating at least equal to the momentary ratin$ of the circuit breakers shall be furnished through the entire length of the switchgear All switchgear equipment requiring grounding shall be connected to this ground bus 2G 4 5 External Connections Facilities for the entrance, support, ter- mination, and connection of power and control conductors shall be fur- nished in accordance with the requirements of the following articles [DENTON 10566 TUREINE GEN 62 02001 [ o3o885 ] 20-7 lettered or marked in accordance with =he Contractor's connection dia- grams Extra flexible wire shall be furnished at hinge points Switchgear units that are split for shipment shall be furnished with all wiring required to interconnect the switchgear units The minimum sizes of wire used in =he switchgear for control and instru- mentation shall he in accordance with the following table Minimum Wire Service $ize~ AWG Power supplies 12 Current transformer circuits 12 lndicating lights and annunciator circuits 16 All other wiring 2G § 2 Dia~rama Wiring diagrams shall be in accordance with the re- quirements of Section lC and aa specified herein Switchgear schema=it, connection, and interconnection diagrams shall be furnished by the Con- tractor for review by the Engineer The complete connection diagram of each switchgear unit shall be on an individual sheet Information on each connection diagram sheet shall in- clude poin~-to-point wiring of the entire unit aa it would appear =o a perSon wiring the switchgear unit, including wiring on the breaker self Elementary diagrams of control and instrument circuits, contact arrangemen~ of switches, and internal wiring of relays and instruments for each switchgear unit shall be on additional sheets aa required In- terconuection diagrams shall be on separate sheets Ail sheets shall be the same size Each item of switchgear mounted equipmen~ indicated on the diagrams shall be identified by item number and name Sen =he Contractor's s~andard terminal designations differ from those marked on the ConCrac~or's connection drawings submitted for acceptance and' returned by the Engineer, the Contractor shall revise terminal desi$- nations in accordance with the Engineer's requirements on both the Con- tractor's drawings and the retinal blocks [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] 2G-10 a 2 pole control power disconnecting and protective device in the trip- ping circuit The disconnecting and protective devices shall be molded case circuit breakers or enclosed fused pullouts 2G 4 7 Instrument Transformers, Instruments, and Associated Devices Instrument transformers, instruments, and associated devices shall be furnished as specified on the Switchgear Unit Specification and Data Sheets and in the articles which follow Ail instrument transformer sec- ondary leads shall be wired out to terminal blocks 2G 4 7 I Current Transformers Currant transformer mechanical and that- mai limitss--'~be coordinated with the momentary and short timo ratings of the circuit breakers with which they are used All current transform- ers shall be multiratio type unless otherwise specified 2G 4 7 2 Potential Transformers Unless otherwise specified, potential transformers shall have a rating of not less than 400 volt-amperes on a thermal basis, a capability of withstanding a secondary short circuit for not less than one second, and accuracy rating in accordance with the fol- lowing table Potential Transformer Accuracy Ratin~* Voltage Rating, volts W X M Y Z 4,200 0 3 0 3 0 3 0 6 1 2 *Accuracy classification 0 3, 0 6, and 1 2, and burdens W, X, ¥, and Z shall be as defined in ANSI C57 13-1968, burden M shall be as defined in ANSI C12 11 Burdens shall be based on a secondary voltage of 120 volts Each transformer shall be provided with current limiting primary fuses and secondary fuses, and shall be mounted with primary fuses on a drawout type removable unit designed to isolate and ground the potential circuits when the unit is in the fully vithdra~m position 2G 4 7 3 Protective Relays Protective relays shall be flush mounted, equipped with built-in teat switches and operation indicators 2G 5 WIRING A~D WIRING DIAGRAMS The Contractor shall furnish internal ewitchgear wirt--~g, connections, and diagrams in accordance with the re- quirements of the following articles 2G 5 1 Control and Instrument Wtrin~ Ail low voltage control and in- strument wiring s-~ll be installed and tasted at the factory All interior wiring shall be neatly and carefully installed in wiring gutters or conduit and shall be terminated at terminal blocks plainly [DENTON 10566 TW.B~NA G~N 62 0200] 022786 2¢-9 ufficient space shall be left on the "customer's" side of outgoing ret- inal blocks for adding cable color codes and circuit numbers The Con- tractor will be furnished this information later, which he shall then in- clude on his drawings At the time the Contractor's connection drawings are submitted for re- view, the Engineer will mark thereon all external circuit and wire des- ignations required, and such designations shall be added to the con- nacCion drawings by the Contractor Except as marked on the drawings submitted by ~ha Contractor and returned to him By the En$ineer, no external circui~ and wire designations shall be indicated on the ConCrac- torts drawings 2G 6 FACTOH¥ TESTS After the switchgear has been completely fabricated it shall be subjected Co and shall meet all requirements of the produc- tion tests listed in NEMA and ANSI standards 2G.7 TIGHTENING OF CONNECTIONS The Contractor shall include on his erection and aase~ly drawings complete information for tightening of all electrical connections secured with bolts or studs The information fur- nished shall include torque wrench settings or complete details of other tishtanin$ procedures recommended for bus Joints, connector attachments, and con=act attachments 2G.8 MANUFACTU~RS The metal-clad switchgear shell be manufactured By one of ~ha followin$ Brown Boveri Co~poration General Electric Company Siemens Wastinshouae Electric Corporation 2G 9 SPECIAL SHIPPING HEqUIHEMENTS The metal-clad switch,ear equipment shall ha shipped By dedicated truck to prevent shipping damage [DENTON 10566 TURBINE GEN 62 0200] [ 031187 ] 26--11 The Type ~ switchsear unit shall include the e~uipmen= in the followins lists The followins equipment shall he furnished, mounted, and connected within =he swi=chgear unit compartments 1 - Set of insulated main bus rated 1,200 amperes continu- ous 1 - Sat of ground bus with terminal connectors for attach- mant of power circuit ground cable 1 - Sat of provisions for termination of power cables 1 - Station auxiliary power transformer, rated 45 kVA, &160 - &80 volts, 3 phase. 60 hertz The primary of the power transformer shall be connected to the ¢o~%n$ line by fuses The primary fuses shall be mounted on a drawout type unit designed to isolate and ground the potsncial circuits when the unit is fully withdrawn The secondary of the transformer shall be co--sctad to a 3 phase. 600 volt molded case circuit breaker which is interlocked with the primary fuse unit so that the breaker must be "off" to withdraw the fuses 2 - Currant transformers, bus sida~ single ratio. 600 5 am- pare ratio. ANSI metering accuracy Class 0 3, B 1-1 0 ! - Compartment arranged for drawout of potential trans- formers to the front of the unit The compartment shall contain two drawout type po~antial transformers, connected to the ewitchgear main bus. ~200 120 vol~ ratio I - Potential transformer compartment for the main bus ground detection schema, mounted at the top of the unit~ located toward the rear of =he switchgaar unit and not to protrude above the Contractorts standard height switohgsar unit The compartment shall contain three drawout type potential transformers, connected to the switchgear main bus, ~200 ~20 volt ratio 1 - Damping resistor for connection to the ground detector schema secondary open delta BLACK & VEATCH ENGINEERS ARCHITECT~ T~PE 1 SWITC~GEAR UNIT SPEC 62 0200 SWITCHGEARUNIT SPECIFICATION AND DATA SHEET 2G-12 The followin$ equipment shall be furnished, mounted, and connected on the switchgear unit front instrument panel 1 - Bus protection relay (810, 81U, 27, 59, 47, 60), Beck- with Type Pride M-0296 I - Synchronizing check relay (25), Beckwith M-0388 I - Bus ground detection relay (59B), General Electric Type IAV 1 - Generator transformer ground current detection relay (51NGT), General Electric Type IAC 3 - Generator transformer differential relays (87GT), Gen- eral Electric Type BDD 1 - Generator transformer lockout relay (86GT), Electro- switch Type LOR with ember "reset" indicating light o O BLACK & VEATCH: p. OJECT 10566 ENGINEERS ARCHITECTS ~i~PE 1SWITCHGEAR UNIT SPEC 62 0200 SWITCHGEAR UNIT SPECIFICATION AND DATA SHEET 2G-13 The Type 2 switchgear unit shall include the equipment in the following lists The following equipment shall be furnished, mounted, and connected within the switchsear unit compartments ! - Drawout power circuit breaker element, rated 1,200 am- peres continuous 1 - Set of insulated main bus rated 1,200 amperes continu- ous 1 - Set of ground bus with terminal connectors for attach- ment of power circuit ground cable ! - Set of provisions for termination of one power cable per phase 3 - Current transformers, bus side, single ratio, 600 5 am- pere ratio, ANSI relay Class C100 9 - Currant transformars~ generator side, single ratio, 600 § ampere ratio~ three ANSI relay Class CIO0, six ANSI metering accuracy Class 0 3, E 1-1 0 1 - Compartment arranged for drawout of potential trane- formers to the front of the unit Compartment shall contain two drawout t~pe potential transformers, con- nectad to the sanerator bus 4200 120 volt ratio The following equipment shall be furnished, mounted, and connected on the switchsear unit front instrument panel 1 - Circuit breaker local control switch with lights 1 - Generator lockout relay for electrical trip (86G), Electros%fitch Type LOP with amber "reset" light [ - Generator lockout relay for mechanical trip (86M), Electroswitch Type LOB with amber "reset" light 1 - Generator differential relay (87G), General Electric Type CFD 1 - Generator nasative sequence current relay (46G), Gener- al Electric Type INC 8 CK & V TCH oJEcT SWITCHGEAR UNIT SPECIFICATION AND DATA SHEET 2G-~4 [ - Generator loss of excitation relay (40G), General Elec- tr$c Type CEIl 3 - Generator voltage restrained overcurrent relays (51V), General Electric Type IGCV 1 - Generator reverse power relay (32G), General Electric Type i - Generator ~round £ault det~ction relay (59G), Gensral Eleotria Type IAV BLACK & VEATCH ~O:E~T ~o~ EN61NEER$ A~CHITECT9 "~"~E ~ S~ITCHGF--,,A-1~ UNIT SPEC ~2 SWITCHGEARUNIT SPECIFICATION AND DATA SHEET 2G-15 The Type 3 switchgear unit shall include the equipment in the following The following equipmeut shall be furnished, mounted, and connected within the switchgear unit compartments 1 - Generator excitation power transformer rated as required by the generator excitation system performance spec- ified in Section 2E The transformer primary shall be connected to the generator bus by fuses The primary fuses shall be mounted on a drawout type unit designed to isolate and ground the potential circuits when the unit is fully withdrawn The secondary of the trans- former shall be connected to a 3 phase, 600 volt molded case circuit breaker which is interlocked with the pri- mary fuses so that the breaker must be off to withdraw the fuses 1 - Compartment arranged for drawout of potential trans- formers to the front of the unit The compartment shall contain the necessary potential transformers as required by the Contractor's automatic voltage resulator specified in Section 2E 0 0 0 81 CK & VEATgH P,oJEcT os66 ENGINEERS ARCHITECTS TYPE 3 SWITCHGEAR UNIT SPEC 62 0200 SPECIFICATION AND DATA SHEET 2G-16 The swicchgear units shall be furnished with vent±laCed, indoor general purpose enclosures The switchsear units shall be provided in ~he followinS unit gvpes UNIT UNIT NUMBER UNIT NAM~ TYPE 1 INCOMING LINE AND STATION 1 POT~R 2 GENEI~.TOR 2 3 EXCITATION POWER TRANSFORMER 3 BLACK & VEATCH PRo:EcT ENGINEERS ARCHITECTS UNITS FOR SWITCHGEAR SPEC 62 0200 SPECIFICATION AND DATA SHEET 2G-17 Upon loss of station auxiliary power or the disconnection from the trans- mission line, the system shall safely shut down the unit Upon restora- tion of power, the system shall automatically reset so that a remote start can be made without local operator intervention Tbs unit control system shall provide for a manually controlled uniC startup sequence or automatically controlled unit startup sequences The manual or automatic startups shall require the operator to place all aux- iliaries into operation manually or to place all auxiliaries into "AUTO" to allow the unit sequencing control to place them into operation With the unit control in manual mode, the operator shall have control over each sequence of startup including master startup relay reset, ini- tial wicket gate opening~ excitation system on, speed and voltage match- ing for synchronizing and generator breaker closing After synchroniza- tion~ the unit shall load to a preset minimum flow rate which shall then be &d]uatabla by local operation of the turbine controller Unit excita- tion shall then be controlled by excitation current control, voltage con- trol~ or power factor control es selected by the operator With the unit control in local automatic mode, the operator shall place the unit into operation by actuation of a single device After synchro- nisation~ unit loading and excitation control shall be the same as for manual control With the unit in remote automatic mode~ the unit shall be placed into op- eration by a sin$1e co~mand from the Owner's SCADA system After syn- chronization~ the unit shall load to a prsset minimum flow rate which shall then be adjustable by raise-lower pulses from the Ownsrts SCADA system to the turbine controller Unit excitation shall then be con- trolled by voltage control or power factor control as selected end adjusted by the Owner's SCADA system In all modes~ the power factor control set point shall be automatically set to a preset value prior to unit startup The unit control system shall provide for a normal shutdown by a manually controlled sequencer or automatically by operator actuation of a single device or by a single co~mand from the Owner's SCADA system The method of shutdown shall be determined by the control mode selection The unit control system shall also provide for three automatic protective shutdown sequences One sequence shall be an emergency shutdown with lockout and shall be ac- tuated by any protective device which senses a condition that is immedi- ately detrimental to the turbine ienarator or its auxiliaries The de- vices shall consist of electrical protective relays and other devices required by the Contractor*s design to provide complete pro~ection This [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] 2H-2 Section 2N - CONTROL SYSTEM 2H I GENERAL The Contractor shall furnish a complete control system for all equipment furnished under this specification and as required by the Engineer for auxiliary equipment not furnished under this specifica- tion The control system shall consist of one dual control switchboard, control logic, software, equipment, materials, and accessories as spec- ified herein Except as otherwise specified in this section, switchboard equipment, materials, and accessories shall be as specified in Section lb 2H 2 OPERATIONAL REqUIREmeNTS Due to variances in turbine generator equipment and auxiliaries, the following articles specify general oper- ational requirements for the control system The Contractor shall fur- nish all logic, devices, and materials necessary for a complete system in accordance with the intent of these requirements and as directed by the Engineer The Contractor shall furnish a general block diasram of the system start- up, normal shutdown, normal shutdown with lockout, emergency shutdown with lockout, emergency shutdown without lockout, flow control logic, and exci- tation control logic for the En$ineerts review and acceptance prior to detailed logic and schematic submittal 2H 2 1 Control Modes The control system shall be desisned for local manual control, local automatic control, and remote automatic control Local manual control shall allow step-by-step manual startup Local automatic control shall provide complete unit startup by manual operation of a single control device Remote automatic control shall provide com- plete unit 8tartup by tom,mhd from the Owner's SCADA system Mode selection shall he made only at the control switchboard 2H 2 2 Unit Control S[stem The Contractor shall provide a complete unit control system for operation and protection of the turbine generator and auxiliaries in any of the control modes The unit control system shall be /mplemented by a progrsm-ble controller or hard-wired relay logic, protective relays, sensors, transducers, devices, and materials as required for safe startup, shutdown, and continuous operation of the unit and as specified in this section The equipment, materials, and devices specified in this specification shall be considered as the minimum to meet this requirement All protective devices and interlocks shall be in service during any mode of operation and shall override any control commands as required to pro- tect the unit F~ergency protective devices shall trip the generator breaker either directly or through lockout relays [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] eH-1 The Contractor's system shall incorporate a failure detection system so that upon failure of the actual flow rate signal, flow rate set point signal, or other turbine controller internal failure, the system will alarm and hold last gate position or trip the unit 2H ~ 4 Excitation Control The Contractor shall furnish a generator ex- citation control system The system logic shall be included as a part of the unit control system or incorporated in the excitation system specified in Section 2E A power factor controller shall be provided to regulate the generator power fac=or to an adjustable set point value The set point shall be adjustable by opera=or action at the control switchboard when the unit is in local automatic mode or by raise-lower pulses from the Owner's SCADA system when in remote-auto mode The power factor set point shall be dice=ad at the control swicchboard, and the signal shall be conditioned as required for connection ~o the Owner's SCADA system The Contractor's system shall incorpora~e a failure detection system The scheme shall be such that upon failure of the actual power factor signal or other power factor controller internal failure, the system will alarm and hold the last sst point, revert to manual (excitation current regulation), or trip the unit The excitation control shall also provide for control of the excitation system manual (excitation current regulation) mode and automatic (voltage regulation) mods by tales-lower pulses from the Owner's SCADA system Sels~ction of the excitation systsm control mode, power factor, manual or automatic, a~all be at the unit control switchboard when the unit control is in local, or shall be by pulse signals from the O~nsr~s SCADA system when ~hs unit control is in remote 2H 2 5 B}~ass Ga__Ce ~0n=rol The Contractor's control system shall cate bypass gate full open, full close, or intermediate position by indi- cating lights at the unit control panel In addition, a failure-to- operate alarm shall be provided which actuates when the turbine generator is started or shut down and the bypass gate fails to reach full close or sst open position The bypass sate position indication and travel failure alarm shall be available for connection to the 0vner's SCADA system 2H 2.6 Substation OCB Control The Contractor shall provide all logic and devices required to operate the 0vner's substation oil circuit breaker (OCB) The logic shall consist of hard-wired relays and shall be separate from the unit controI system, except for trip signals originating from the unit control system The control shall include provisions for closed and trip signals from the Om~er~s SCADA system [DENTON I0566 TURBINE GEN 62 0200] [ 022786 ] 2H-4 shutdown shall trip the generator breaker and unit control system without any time delay and bring the unit to a complete stop as soon as possible The generator and generator transformer lockout relays. 86G and 86GT. shall be used for the tripping and lockout functions of this sequence The second sequence shall he a normal shutdown with lockout and shall be actuated by any protective device which senses a condition that is detri- mental to further operation of the unit, but that does not require an emersency shutdown The devices shall consist of temperature switches, pressure switches, vibration detectors, and other devices required by the Contractor's design to provide complete protection This shutdown shall trip the unit control system and shut the unit down in a normal sequence The turbine lockout relay, 86M, shall be used for the tripping and lock- out functions of this sequence The third sequence shall be an emergency shutdown without lockout and shall be actuated by any abnormal condition external to the turbine gen- erator, generator transformer, or unit auxiliaries that requires ate disconnection of the unit from the transmission line The abnormal conditions will be sensed by the line electrical protective relays, or w~ll consist of transfer trip signals from the Owner's SCADA system This shutdown shall trip the generator breaker and unit control system w~thout any time delay A nonlockout tripping relay shall he provided for the tripping function of this sequence Any shutdown shall cause flow sst points, gate limit, and excitation set points to return to preselected m~nimums The Contractor shall p~ovide indicating lights as required to indicate the complete step-by-step sequencing of the unit control system during startup, shutdown, or tripping of the unit All sequences shall be monitored to ensure completion of any sequence In the event an incomplete sequence is established, alarms and indication of incomplete sequence failure and incomplete sequence cause shall be ac- tuated, and the unit shall shut down by an emergency trip 2H 2 3 Flow Control The Contractor shall furnish a turbine generator loading control system which shall control water flow rate The control system's logic shall be included within the turbine electronic controller specified in Section lC The actual flow rate and the set point shall be indicated at the control switchboard and both signals shall have conditioning as required for con- nection to the Owner*e SCADA system ~en the control system is in local, the actual flow rate shall be adjustable by operator ac=ion of a raise- lower device located on the control switchboard ~hen the control system is in remote, the flow rate set point shall be set by raise-lower pulses from the Owner's SCADA system [DENTON 10566 TU~INE GEN 62 0200] [ 022786 ] 2H-3 be free of waves, bellies, and other imperfections Exterior panel sur- faces shall be sandblasted, ground smooch, filled, primed, and enamel finished Interior surfaces shall be sandblasted, primed, and finished with gloss white enamel The panel shall have solid back panels The back of the switchboard will not be accessible after installation Panel space not utilized by equipment shall remain clear for addition of possible future equipment A receptacle, Hubbell 5362 or acceptable equal, shall be furnished, mounted, and wired in a convenient location near the hinged door of each switchboard section The receptacle is for portable cools and drop lights and will be supplied from a 120 volt, sinEle-phase ac source furnished by the Owner Internal panel wiring and circuit protection shall be furnished by the Contractor The interior of each switchboard shall be illuminated with a light, mounted inside the top of each switchboard section and controlled from a Hubbell 1221 switch mounted inside the door Space heaters shall be provided and shall be thermostatically controlled to prevent condensation Heaters shall be raced 240 volts ac buC will be enerEised from a 120 volt ac source provided by the Owner 2H 3 2 Nameplates Engraved nameplates shell be furnished Nameplate inscriptions will be furnished by the Engineer at a later date 2H 3 3 Buses Control, potential, and alarm buses of 12 AWG or larger switchboard wire shall be furnished and installed as required 2H 3 4 Ground Bu_.~s A continuous 1/4 inch by 1 inch cross-section bare copper ground bus, with compression or clamp type connectors at each end, shall be provided in the switchboard The end connectors for connection to the Owner's stran.[ed copper ground cable shall be Burndy YA-L or WA or acceptable equal All switchboard equipment requiring Eroundin$ shall be connected to this ground bus with Burndy Type YAV or acceptable equal connactors 2H 3 5 Power Su_u_~_~_~Disconnects Each panel mounted device requiring ac supply s~-havs in its supply circuit a panel mounted fuse or discon- necting link connectld to isolate the device from the power supply in the tripped or open condition Disconnecting links shall be sliding link terminal blocks S~at, ls Company Type NT or acceptable equal [D~NTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2H-6 2H 2 7 Alarms The Contractor's control system shall include a complete system of alarms and alarm indication Alarms shall be initiated for all unic and auxiliary trip and out-of-normal conditions Ail alarms shall have local indication consisting of white lights or mechanical indicators which shall "sec" on alarm and require local manual "reset" action co clear =he alarm indication In addition Co the local indication, each alarm shall have an output which will be grouped with ocher similar alarms and wired co the control switchboard annunciator where the ~larm group will be indicated The control switchboard annunciator shall be provided with undivided point alarm output contacts which close on alarm and are available for connection co the Owner's SCADA system Alarms shall be designed so chat when auxiliaries or the uniC is shuC down normally, there will be no false or nuisance alarms indicated Alarm grouping will be determined by the Engineer based on the Contrac- tor's design and recommendations 2H 2 8 Optional CO._~EValve Control The Contractor shall provide an op- tion Co include control logic for operation of the Cwo existing Corps of Engineers outlet valves on unit trip and unit shutdown during low flow The logic shall provide a signal co position the valves Co match the flow setpoinC Valve positioning shall be based on split range control with valve position feedback provided by Owner-furnished position potenCio- meter transmitter and full closed and full open limit switch contacts The Contractor shall provide redundant power supplies for the position transmitters Valve failure to operate shall also be included in the logic The Contractor shall also provide control switches, one per valve, co allow manual operation of the valves from the control switchboard Switches shall be "CLOSE-AUTO-OPEN," AUTO being under the control of the flow control system 2H 3 EqUIPMENT ANDMATERIALS The switchboard structure, equipment, ma- terials, and accessories shall include the features specified in the lowing articles 2H 3 1 Switchboard Structure The switchboard structure shall be com- pletely enclosed ac Cha front, rear, Cop, and both sides Standard dual switchboard construction shall be used, having the front panel hinged with concealed hinges that are nsc visible from the outside of the panel Leveled 11 USS gauge steel sheets and formed steel members shall be weld- ed together co form a rigid self-supporting structure Equipment cutouts, mounting studs, and brackets shall be accurately located Welds on ex- posed surfaces of the structure shall be ground smooch Switchboard nominal panel size shall be 28 inches wide, 90 inches high, and 30 inches deep Overall length shall be as required Finished panel surfaces shall [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2H-5 2 - Generator bearings 2 - Speed increaser bearings 1 - Building temperature 2 - Turbine bearing 1 - Turbine seal 1 - Cooling water temperature 4 - Spares Annunciator complete with test and acknowledge push buttons, Rochester Instrument Systems Model AN3100, Se- quence A, Suffix FOD, with one Federal No 450-N horn A manually adjustable time delay relay shall be incor- porated in the horn circuit to cause automatic silent- inS of the horns after a time delay Each point shall have an electrically isolated output follower contact which shall close or open in accordance with the point input alarm contact Each follower contact shall be wired to terminal blocks for connection to the Owner's SC.iDA system The annunciator shall have a number of points equal to that required by the Contractor's con- trol system plus 10 spares In no case shall there be lees than 32 points Three position selector switch, "LOCAL AUTO-LOCAL Local unit auto start control switch, "STOP-START," pull to lock in trip, with green and red indicating liihts actuated from speed switches Set of bypass gate position indicating lights to indi- cate full open, intermediate, full close, or failure to operate Automatic voltage regulator panel with control switches SynchronizinS panel with sync scope, sync switch and lights Auto-synchronizer system consisting of Beckwith Sychrodoser M-0193 and Beckwith Generator Control Unit M-0194 The system shall include protective covers, operator window option for manual synchroniz- ing, and preoperational voltage and speed control phases for automatic synchronizing Turbine controller control panel with control switches [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2H-8 2H 3 6 Watt-Hour Meters Meters shall be flush, 2-1/2 element, drawout type with built-in test devices The coils, rated 2-1/2 amperes, 120 volts, 60 hertz, shall be designed for use with current transformers Fhase shifters shall be furnished for each measurement The meters shall be complete with a potential indicating lamp for each coil and with dials having multipliers of 10 or a multiple of 10 Contact making devices unit shall be furnished 2H 3 7 Front Fanel g~uipment The following equipment shall be fur- nished ~ounted in the front panels of the control switchboard Unless otherwise indicated, all meter scales shall be selected by the Contrac- tor, subject to acceptance by the Engineer 1 - Digital generator wattmeter 1 - 6enerator kilowatt-hour meter with contact making de- vice 1 - Line kilowatt-hour in meter with contact making device 1 - Line kilowatt-hour out meter with contac~ making device 1 - Digital generator frequency mater I - Digital generator power factor mater 1 - Digital bus frequency meter 1 - Digital generator varmater I - Digital kilovolt-ampere (kVA) meter 1 - Analog generator tachometer 1 - Genera=or breaker control switch, "TRIF-CLOSE," pull to lock in trip with green, white, and red indicating lights (green-open, red-closed, white-tripped) I - Recorder for monitoring flow and multiple ETD and thar- mocouplea, and alarming when any one or more are above or below the field adjustable set points The recorder shall be a ¥okogawa 4081 Hybrid Recorder with four point alarm output (AK-04) and remote on-off control (RE}i) As a minimum, the following points shall be provided All alarms provided shall be wired to termi- nal blocks for connection of O~uer field wiring I - Flow 3 - Genera2or a=ator [DENTON 10566 TUI~II~ GEN 62 0200] [ 031387 ] 2H-7 controller system hardware and software shall be per- formed by the Contractor at the factory in the presence of the Engineer The Contractor shall Be responsible for providing all simulation hardware and for all sys- tem hookup and operation required to accomplish this functional checkout Generator automatic voltage regulator equipment ~nclud- ing controller, auxiliary excitation rectifier, power factor controller and field circuit breaker Turbine controller electronic control equipment as re- quired Generator kilovolt-ampere (kVA) transducer Generator watts transducer Generator var transducer Generator volts transducer Generator amps transducer Generator frequency transducer Bus voltage transducer Generator power factor transducer Generator rpm transducer Penstock flow transducer Lot of breakers, fuses, and disconnects as required to distribute 120 volt ac and 48 volt dc power Manual transfer switch to switch the programmable con- troller from inverter power to house power Lot of terminal blocks and wiring to allow for connec- tion to the Owner's SCADA system This will include all transducer outputs, watt-hour meter pulse outputs, flow set point raise, flow set point lower, power fac- tor control, plant auto-start, plant auto-stop, all an- nunciator point follower contact output, and oil cir- cuit breaker trip and close [DENTON 10566 TURBINE GEN 62 0200] [ 111987 ] 2H-10 1 - Digital penstock flowmeter 3 - Analog indicating ac ammeters, generator amps 1 - Analog indicating ac voltmeter, generator voltage 1 - Substation oil circuit breaker (OCB) control switch, "TRIP-NORMAL-CLOSE" with green, white, and red indicat- ing lights 1 - Generator voltmeter transfer switch, 3-phase, "AB"- "BC"-"CA"-"OFF" 1 - Analog indicating ac voltmeter, bus voltage 1 - Bus voltmeter transfer switch, 3-phase, "AB"-"BC"-"CA"- "OFF" 2H 3 8 Internal Equipment The following equipment shall be mounted within the control switchboard 1 - Lot terminal blocks, hardware, wiring, and accessories to obtain a complete functional operating system * 1 - Programmable controller, Gould Modicon or General Elec- tric Series 6 with all necessary I/O and inverter power supply for 48 volts dc to 120 volts ac CMOS memory with battery backup shall be provided The memory shall be nonvolatile with respect to power disturb- ances Individual status lights shall be provided for each input and each output on an I/O card A program- ming device shall be furnished capable of entering, altering, and monitoring programs in the programmable controller The programming device shall also be cap- able of forcing on or off all inputs and outputs Use of the programming device shall be possible either on-line, in real time, or off-line The progr-mmtng device shall provide immediate and long term storage of programm~ed system software with a magnetic cassette tape loader recorder or floppy disk The programming device shall be capable of providing hard copy documen- tation by driving a printer The printer shall be fur- nished with the system Ail cables, software, and ac- cessories required for the programming device to in- terface with the programmable controller shall be fur- nished A full functional test of the programmable *Negotiated Revision [DENTON 10566 TURBINE GEN 62 0200] [ 111987 ] 2H-9 2H 4 SPARE PARTS Each switchboard shall be provided with the following spare parts · 1 - Lot of fuses, lamps for indicating lights, and color caps as follows 100 percent replacement of fuses 100 percent replacement of lamps for indicating lights and annunciator I00 percent replacement of color caps 10 percent annunciator windows 10 percent programmable controller input/output cards 10 recorder ribbons 6 recorder charts 2R.$ FACTORY TESTS After the switchboard has been fabricated and all parts assembled, the complete gear, including instruments and devices, shall bm factory tested Factory tests shall include the following Tests required to verify correctness of assembly and opera- tion High potential tests Applicable NEIiA and IEEE standard tests Functional testing of unit control systems 2H 6 SPECIAL SHIPPING REQUIREMENTS The control switchboard shall be shipped by dedicated truck to prevent shipping damage [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] 2H-11 Qualified prospective bidders ma7 obtain five copies of the specifica- tions from the En$ineer (mailin$ address - Black & Veatch, P 0 Box 8405, KanSas City, ~iseouri 64114, Attention ~r D F Guyot) All bids must be made on printed contract document iotas included in the specifications ~hen filed with the Purchaein$ Asent, each bid shall be accompanied either by an acceptable bidder's bond, a certified check, or a cashier~s check on any solvent bank, the amount of which shall be not less than 5 percent of the amount of the bid The bid security shall be made pay- able to ~he City of Denton, Texas Bid security of the successful bid- ders will be reEu~ned when their contracts have been sisned, filed with, and approved by the City Bid security of unsuccessful bidders will be ~eturued on award of contract or relecTion of bids ~o bid may be altered, withdrawn, or resubmitted within 120 days [rom and a~Ter The dace set for The openin$ of bide The City of Denton, Texas reserves the riSht to reject any and all bids and to waive defects in bids CITY O~ DENTOn, TEXAS John J ~arshall Purchasin$ Asent [DEItTOI~ 10566 TURBINE GEN 62 0200] [ 022786 ] A-2 ADVERTISEMENT TURBINE GENERATOR FOR CITY OF DENTON, TEXAS LEHISVILLE HYDROELECTRIC PROJECT BID NUF~ER 9735 Sealed bids will be received by the City of Denton, Texas, at the office of the Purchasing Agent, 901-B Texas Street, Denton, Texas, prior to 2 00 p m , April 2, 1987, Central Standard Time, then publicly opened for furnishing TURBINE GENERATOR Prospective bidders may examine copies of the specifications at the office of Black & Veatch, Engineers-Architects~ 11401 Lamer, Overland Park, Kansas Specifications will be issued only to those bidders who have been de- termined by the City of Denton, Texas to he qualified to bid Determi- nation of a prospective bidder's qualifications will be based entirely on written evidence submitted by the bidder in duplicate to the City and the Engineer not later than 10 days before the time set for opening the bids Each prospective bidder shall submit evidence that he Has adequate plant equipment available to do the work prop- erly and expeditiously Has an adequate financial statue to meet financial oblisa- clone incident to this work Has adequate technical knowledge and practical experience Has no Just or proper claims pending against him on other similar work Has field service facilities in the United States, or a contract with a firm that has field service facilities in the United States Bidders who were qualified for Bid Number 9610 do not have to resubmit the qualification information The equipment offered by the bidder shall be of the same design as equip- ment manufactured by him which has been in successful commercial opera- tion for 3 or more years in similar applications The prospective bidder shall submit a list of such equipment in service 3 years or longer The list shall indicate the owner's name, location, date of initial opera- tion, brief system description, operatin$ conditions, and type [DENTON 10566 TURBINE GEN 62 0200] [ 031487 A-]. B 4 2 Exceptions Each bidder shall list in the space provided on the proposal form all exceptions or conflicts baL~eeen his proposal and the specif$cacione and documents If more space is required for chis list- ing, additional pages may be added If the bidder takes no exceptions, ha shall ~lCe "None" in the space provided Proposals chat do not com- ply with chis requirement will ba considered irregular and may be ed at the discretion of the Owner In case of conflicts not stated as directed, the requirements of the specifications and documents shall srn If Cha bidder Cakes exception, than all such exceptions shall ba specific in nature and carefully referenced co =ha applicable page number, article number, and article title of the specifications and documents If the bidder proposes deletion of specification languase and substitution of revised lansuage, =hen such deletion and substitution shall be carefully presented by typing coupla~a paragraphs or articles of the original spec- lficaCion langu&ge and incorporating cbs eubecituts lansuass Identify proposed deletions by parenthesis and proposed substitute languass by underlining For example "(Contractor) Owner shall be responsible for " Exceptions ChaC are general, ~haC make reference Co the bid- dar's standard terms and conditions, or Chat make reference to the bid- der'e descriptive information as a whole will not be acceptable Pro- posals cha~ do nsc comply wi~h these requirements for the presentation of exceptions will nsc be acceptable and may be re]ec=ed If a proposal includes ~prsss or ~plied exceptions chac are nsc 1laCed as required, ~he raquirnance of the specifications and documents shall govern The bidder shall usc al~er any parc of ~he specifications and docmnce in any way, except by stating hie exceptions B & 3 Si~nacuraa Each bidder shall sign the proposal with his usual signa~ura and shall give his full business address The bidder's name stated on the proposal shall be the exact legal name of the firm. The names of all persons signing should also be typed or printed below the signature Proposals by partnerships shall be signed with the partnership name fsi- loved by the signature and designation of one of the partners or ocher authorized represeu~aCiva A complete list of the par~ners shall be in- cluded vich the propoea~ Proposals by a corporation shall be signed in the official corporate name of the corporation, followed by Cha signature and designation of the president, secretary, or ocher person authorized co bind the corporation A proposal by a parson~o af£~xae co his signature the word "president,' "secretary," "agent," or ocher designation, without disclosin$ his prin- cipal, will be rejected Satisfactory evidence of the authority of the officer 8ignin$ in behalf of the corporation shall be furnished Bidding 10566 'i'uaBINE GiN 62 0200] 030885 8-2 INSTRUCTIONS TO BIDDERS B 1 GENERAL These ins=ructions apply to =he preparation of proposals for equipment, materials, end related work for =ha City of Den=on, Texas acting through ice Public Utilities Board and City Council, hereinafter ~aferred co as =ha "Owner" Ail proposals shall be prepared and submit- ced in accordance with =he Advertisement, chase lnscruccions~ and =ha la=tar transmitting chase specifics=inns and documents B 2 GENERAL PROJECT DESCRIPTION The specified equipment ~nd materials will ba incorporated in the Owner's Lewiavilla Hydroelectric Pro]sc= lo- ca=ad aC =he outlet works of =ha Lewisville Reservoir near Lawievilla, Texas Section lA of the specifics=lens defines the scope of work to be included in the proposal B 3 DOCUI~NTS FO___RRBIDDING Prospective bidders may obtain copies of the specifications aa seated in =he Advertisement Addicion&l copies will not be available B 4 PROPOSALS Proposals shall be prepared in accordance with =he re- quirements of chess Ins=ructions to Bidders Proposals that ara nec pre- pared in accordanoe with such inst~uctione will imply thac the bidder does not intend Co comply with 811 of =he proposed contract conditions and such proposals will be considered lrreSular Four copies of each proposal shall be prepared and 8ub~Ltted, each copy con=aining a complete bound copy of these specifications and documents B & 1 Preparation Each proposal shall be carefully prepared using =he proposal and proposal date forms included as · parc of =he biddin$ docu- ments Eh=rise on =he proposal and proposal data forms shall be typed, using dark black ribbon, or legiblywriC=an in black ink All prices shall be sCa=ed in words and flSures except where =he forms provide for figures only The bidder shall acknowledge, in =he space provided in =he proposal form, receipt of each addendum issued for =he specifications and documents dur- ing =he biddin$ period The bidder shall assemble cll drawings, catalog da=a, and other supple- uentary information necessary =o =horoushly describe materials and equip- mant covered by =he proposal, and shall ac=ach such supplemental infom- =ion to =ha copies of =he specifications and documents submitted [DENTON 10566 T'u"RBII~ CEN 62 0200] 030885 B-1 bidder and e surety company authorized to do business in the state of Texas The proposal guarantee shall be made payable without condition to the City of Denton. Texas. and the amount thereof may be reteined by said City if the bidder's proposal is accepted and the bidder fails to enter into contract in the form prescribed, with legally responsible surety. within l0 calendar days after the presentation of the contract document for signatura The proposal guarantee of each unsuccessful bidder will be returned The proposal guarantee of the bidder to whom the contract is awarded will be fulfilled when said bidder executes the Contract Agreement and files a satiefactoz7 Performance and Pa~ent Bonds. as required The proposal guarantee of the second evaluated bidder may be retained for a period not to exceed 120 days pending the execution of the Contract Agreement and Performance and Payment Bonds by the successful bidder B 6 TAXEg. PEI~iITS. AND LICENSES The bidder's attention is directed co the G~-'"RAL CONDITIONS'~-regarding taxes, permits, and licenses It shall be the bidder's responsibility to determine the applicable tax- es. per,its, and licenses If the bidder is in doubt as to whether or not a tax. permit, or license is applicable, he shall state in his pro- poaal'whether this item has been included in his bid price and the amount of the applicable tax. per,it, or license in question B 7 INFOI~ATXON TO BE SUBMITTED WITH PROPOSAL Each bidder shall submit with his proposal-~h~"nameo~nu"~tura~ the type or model of each principal item of equipment or material he proposes to furmish He shall also 'submit four copies of separately bound booklets containing drawings and descriptive matter indicating general dimensions, principle of opera- tion. and the materials from which the parts are made Any proposal not having sufficient descriptive matter to describe accurately the equipment or materials proposed may be rejected as irregular The drawings and de- scriptive matter submitted by the successful bidder will be retained by the Owner Any material departure from chase drawings and descriptive matter as submitted will not be permitted without written permission from the Owner Verbal statements made by the bidder at any time regarding quality, quan- tity. or arrangement of equipment will not be considered If alternate equipment or materials are indicated in the proposal, it shall be understood that the Owner will have the option of selecting any one of the alternates so indicated and such selection shall not be a cause for extra compensation or extension of time [DENTON 10566 TURBINE tEN 62 0200] [ 022786 ] B-& corporations shall designate the scats in which they are ~ncorporaced and the address of chair principal office B 4 i guba~Lccal The original proposal {and les accompanying copies) shall be Crane~iCced Co arrive ac the designated address not later than the date and time stipulated in the Advertisement Submit the original proposal and three signed copies of the proposal to City of Denton Purchasing 901-g Texas Street Denton, Texas 76201 Attention Mr John J Marshall Purchasing Agent Proposals shall be submitted in a sealed envelope or package The enve- lope shall be plainly ~arkad in the upper or lower la,c-hand corner rich the na~e and address of the bidder and the yards "Proposal for," followed by cha name o£ the proposed york and the epeci£icacion number as stipu- lated in cha Advertisement The proposal guarantee shall be enclosed v/ch the original proposal in the envelope or package mailed Co the O~m- ar i single proprietary interest shall nsc submit ~ulcipla proposals for the same york even though the individual proposals are submitted under dif- ferent names The O~ner reserves the right Co rslscC all proposals so submitted E 4 5 Wichdraval Proposals may be vichdrava, altered, and resubmitted ac any c/me before the cima sec for receipt oK proposals Proposals may nsc be vichdra~nt, altered, or reauba~LCced viChin 120 days a£cer the time sec for receipt B i 6 Acceptance and Re~eccion o_~EProposals The O~mer reserves the right to accept the proposal which, in ica ~udgmenc, is the best respon- sive proposal, co relecc any and all proposals~ and to waive irregulari- ties and informalities in any proposal chaC is submitted Proposals received after the time specified for receipt of proposals will nsc be considered · ll proposals shall become the property of the Ovner B 5 PROPOSAL GUARAntEE Each proposal shall be acco~panied by a pro- poaal guarantee in an amount nsc less than 5 percent st ~he coral pro- posal price The guarantee shall be a cer~lfied check or cashier's check dra~nt on any solvent bank, or an acceptable bidder's bond executed by the [DEI~TON 10566 TURBINE GE~ 62 0200] [ O22786 ] sufficient sureties which the Contrnctor shall furnish to the satisfac- tion of the Owner within 10 days after notice co do so In default thereof~ the contract may ha suspended and all payments on moneys due to the Contractor withheld The Performance Bond shall guarantee the faithful performance of all cov- enants, stipulations, and conditions of the contract The Pa~nent Bond shall guarantee the falChful payment of all obligations vh$ch may arise under the contract The cost of the bonds shall be included in the lump sum proposal prices B 12 PROPOSAL PRICinG Bidders shall submit firm price proposals thnt are nsc subject co escalation All prices shall be in United States Dollars B 13 ~RAI~qlNG P~OGRAH Each bidder shall include pith his proposal a complete detailed description of available training programs and training aids applicable to the equipment Such programs and aids should be suf- ficient to familiarize the Om3erVs personnel pith equipment aaaenbly and dieaeaembly~ operating procedures, performance analysis, and maintenance instructions Aa a miniuum ~equtrement. the succassful bidder shall provide coupecent instructors to conduct neceasat~ training of the Sugar's operating and maintenance personnel Videotapes of training programs shall be sup- plied The lump sun prices for providing the bidder's recmeuded training pro- gr-=- shall be stated in the Proposal The ~rainin$ program proposal shall include an i~euizatio~ of all coots for providing the above serv- ices, any available alte~ates, and the bidder's recounendations regard- lng training The breakdown of such lump sum prices and costs for avail- able alternate services shall be stated in the Proposal Data section B 1~ SPARE PARTS OPTION The bidder shall state a lump sum price in the PropoSal for those spare parts he lists for the Owner's consideration in the P~oposal Data. The O~ner shall retain the option of purchasing the spare parts for the lump sum price stated in Section C. or the unit prices stated in Section D, until 6 months after the start of commercial opera~ion B 15 ~UAL~T~ ASSUlh~qCE The bidder's attention is directed to Sec- tion I$ regarding provisions for quality assurance manuals and shop in- spection plans B 16 SCHEDULE OF CAnCELLATiON CHARGES In the Proposal section, ~he bidder shall pro'~ide a schedule of charges for termination by the Owner as specified in the CANCELLATXON OF ~O1~ article of the General Condi- tions [DENTON 10566 TURB~I~ GEI~ 62 0200] [ 022786 ] E-6 B 8 T~ME SCHEDULE The time schedule for delivering the specified equip~enC and materials, and the timely delivery of the specified draw- ings and engineerin$ dace for the equipment and materials, will be a basic contract consideration The proposal shall be based upon submittal of drawings and engineering data and delivery of equipment and materials in accordance with the specified schedule B 9 LOCAL CONDITIONS If the work includes ~urnishing field services, each bidder shall thoroughly infom himself of all conditions and factors which would affect the execution of such services Ic muse be understood and agreed thac all such factors have been properly investigated and considered in the preparation of ever~ proposal submit- ted No claims for financial adjustment to any contract awarded for the work will be peraiCced by the Owner which are based on the lack of such prior information or its effect on the cost of the work B l0 INTEEPRETATION If any prospective bidder is in doubt as co the true meaning of any parc of the proposed contract documents, he may sub- mic co the Engineer a written request for an interpretation The person submitting the request will be responsible for ice prompt delivery, end all requaecs ~usc be received by the Engineer aC least l0 ~orking days before the rime specified for receipt of proposals Any interpretation of the proposed documents will be mede only by addendum transmitted each parry receiving a sec of such doctmencs The O~er will hoc be spouaible for any ocher explanations or interpretations of the proposed documents IC shall be the bidder's responsibility co advise the Engineer, before the rime specified for receipt of proposals, of conflicting requirements or o~lssions of inforaacion which require clarification Those questions moc resolved by addenda shall he listed in the space provided on the pro- posal fo~, together with statement of the basis upon which the proposal is made as affected by each question B II PERFOI~V~ANCE AND PAYMENT BONDS Coincident with the execution the Contract Agreement, the Contractor shall furnish good and sufficient Performance and Payment Bonds co the City of Deacon, Texas on the forms bound herewith, each in au amount equal co ~00 percent of the contract amsunC Ail provisions of the bonds shall be co.plaCe and in full ac- cordance with statutory requirements The bonds shall he executed with the proper surety through a company licensed and qualified Co operate in the scare of Texas and acceptable Co the 0~mer The bonds shall be signed by an agent resident in the stare of Texas and the dace of the bonds shall be the dace of execution of the Contract Agreement The bonds shall be accompanied by a power-of-aero.ney document certified co include the dace of the policy If ac any rime during the continuance of the contract, the surety becomes irresponsible, the O~mer shall have the riBhc co require additional and [DENTON 10566 TUItBINE (~E~ 62 0200] 022786 ] Such charses shall be associated with the milestone daces specified in SecCion lA and shall be based upon caeca anticipated Co be incurred and progress made coward completion of contract raquiremencs ac such time as optional termination ma7 be exercised Charsee shall be proposed for the followin$ milestone daces as a minimum Scare of enstneerin$ - latest sCarC dace for which en- $ineerin$ muse be$in in order co meeC the contract re- quirements 2 SCare of maCer~al procurement - latest scare dace for order~ns of ~aCerials or commiCmenC of shop space, whichever occurs first in order co meeC Che contract requirements 3 Scare of shop fabrication and esseubly - latest scare dace for which fabrication and assembly muse basin Co meec the contract requirements The bidder may propose additional termination criteria B 17 F,INAHC~qL PROPOSAL Proposals are requested Co provide financin$ for the equipment furnished under Chess specifications Financin8 proposals are specified in Section FD B 18 DOHESTiCHATERiALS The bidder's aCCenCion is directed co the SOURCE OF ~ATER~ALS article of the General Conditions resardins requirements for use of domestic maeerials B 19 PI~KFERKNCE LAM Proposal evaluation will cake inca consideration the Preference Laws of the Statutes of Texas [DE~O~ ].0566 T'~Z~ GE~ 62 0200] 02278~ ] PROPOSAL To C%TY OF DENTON PURCI{ASING 901-B TEXAS STREET DENTON, TEXAS 76201 ATTENT~0N Mr John J Marshall Purchaein~ Asent pROPOSAL FOR TURBINE GENERATOR LEWTSVTLLE HTDROELECT~IC PROJECT Gentlemen The undersigned bidcter havens read and examined the specifications and associated contract documents for =he ~bove ~es~a=ad equipman~ which w~ll be tnco~oraCed ~n Law~a~lle Hydroelectric ProJec= does hereby pro- pose =o furnish ~he equip~nc and pr~de =ha se~tces se= forth ~n chis Propoeal All prices s=aced hara~n are fi~ and shall escalation p=~dad =h~s Proposal is accep=ed official op~n~n~ o~ proposals ~e u~srsi~ned hereby ~eclares chaC the follow,ns lis~ states any an~ all v~rtactons from ~d ~copC~s co the requi:emenCs of the concrac= ~oc~enCa and chac~ oChe~se~ ~C ts the ~ncenc of work v~11 be pe=~o~ in sc=~cc acco=dance wtCh the cone=acC documents 1 DB-S has mncluded all mmport duties ~n the prices offered but has not included any state or local taxes nor fees for permits or l~cences Any such a~unts would be charqed~ with- out mark-up to the customer's acc9unt 2 DB-S )s plannin~ to use ~ts standardmzed se)ect~on of materials in the constructmon of the turbmnes These are l~sted ~n the b(d data sheets ~ In order to meet the de)[very dates stated mn Sectmon lA 6 the Cmt~ of Denton must award th~s contract on oK before May 15~ 1987 If award ~s delayed beyond th~s date the del*very dates must be extended by an equal number of days (A~ a~t~onal pa~es as require6) [DU~TON ~0566 ~INE G~ 62 02001 [ 022786 DOMINION BRIOGE-IUI.,ZER INC~ Generator Page 2E-14 Para 2E 3 6 4 Requirement 30°C temperature rmse over 50 ambient Standard E M (and mndustry) des,gn is 80°C r~se over ambient Larger d~odes to reduce tamp r~se would physically not f~t on the rotetmng rectifier assembly Also larger non-standard diodes would require special fuses whmch may not protect the d~odes 5 Aux excitation rect~fmer (Basler) page 2E-13, para 2E 3 4 Requirement Thyrmstor tamp r~se 30°C over 50°C ambient This is similar to gan above and was discussed during the ~et~ng of September 11, 1986 ~n Kansas C~ty Baster stated :hat this was not practical and that tamp r~se was h~gher To my knowledge th~s was never solved Take excep:[om C I LUP.~ SUM PRICE The undersisned bidder hereby proposes to furnish fob the O~'~r's Ls~fsville Rydroelectric Project site the turbine ~enera- tot and ser'~ices complete in accordance with the contract documents de- fined in General Conditions, Article GC l, for the lump sum price of One million three hundred & f~ft¥-e~qht thousand n~ne hundred & seventy U $ Dollars (U S $ 1,358 970 (Pries in Words) ¢ I 1 Turbine Portion of the Item ¢ 1 lum~ sum price for turbine and euxiliar~ ep~ipm~nt as s~ecifis4 in Sectio~ ~B Seven hundred & ~wenty-f~ve thousand U S Dollars (U S $ 725,000 ~ I ~ Ce~t~oller Portio~ of the Item C 1 lu~ sum ~rice for controller as speci~ied ~n Section 2C N,nety- thousand U S Dollars (~ S $ 90,000 (~r~c~ ~n Words) C ~ 3 S~eed ~ucreaser Portion of the ~cem C 1 lu~ s~price f~r speed incre~ec ~d a~il~ equip~nc as specified in Section ~ U S Dollars (U S $ N/A (Price in Words) C ~ 4 Generator ~d gxci~a~ion Sys~ Portion of ~he I~em C [ lump sum price fo~ ~eneraCor~ excitation system, and a~iliary equi~en~ as spec- Twn hu~H~d a ~lnhtv-~nur thnu~nd F~v~ hunHred U S Dollars (U S $ 284 500 (Price in Words) [DE,TON 10566 TU~INE GE~ 62 0200] [ 022786 ¢-2 C 1 5 Neutral Groundin~ Equipment Portion or the Item C 1 lump sum price for furnishing ths neutral grounding equipment as specified in Section 2F Included ,n C 1 4 g S Dollars (b S $ ~ncluded (Price in Words) C ~ 6 Switch~ea~ Portion of the I~em C 1 lump sum price for the metal- clad switchgear as specified in Section 2G E~ghty-f~ve thousand U S Dollars (U S (Price in Words) C 1 7 Control System Portion of the Item C 1 lump sum price for ~he control system as specified in Section 2R One hundred & thirty-thousand U $ Dollars (U 8 $ ) (Price in Words) 130,000 C 1 8 Ptald Services Portion of the Item C ~ lump sum price for mann- facture~ield services as specified in Section IA Forty-two thousand U $ Dollars (U S $ · ) (Price in Words) 42,000 C 1 9 Psrformamcs and P_9}~mnt Bonds Portion of the Item C I lump sum price for furnishing Performance and Payment Bonds, each covering 100 percent of the contract price Two thousand four hundred & seventy- U S Dollars (U S $ ) (Price in Words) 2,470 C I i0 Optional Performance Tests Lump sum price additions for perform- ing the perfor,a-nca tests as specified in Section ZA Owner shall have the right to exercise these options for the prices listed until 6 months after Co~aercial Operatin$ Date Capacity and Index Test U S $ Turbine Runaway Speed Teat U S $ 3,200 Turbine Efficiency Test U $ $ Generator Efficiency Test U S $ 4,100 [DENTON 10566 TUI~BINE GEN 62 02001 [ 031387 ] ¢-3 C [ [1 Synchronous Bypass Valve (Butterfly) Lump sum price deduction to delete the butterfly synchronous bypass valve specified in Section 25 from scope of supply Ow:er shall haue the right to delete the valve for the price listed until 6 months after contract award Nineteen thousand f~ve humdred U S Dollars (U S $ 19,500 ) (Price in Words) C 1 12 Optional S~uchromous B~assValve (Free-Dischar~e) rump sum price addition to furnish a free-discharge synchronous bypass valve ss specified in Section 2B Owner shall have the right to exercise chis option for the price listed until 6 months after contract award One hundred & f~fty-two thousand O S Dollars (U $ $ 152,000 ) (Price in Words) C I 13 Optional Control o_~ C0E Valves Lump sum price addition to furnish controls to operate the Corps of En$ineers valves durin$ unit trip as specified in Section 2H Owner shall have the riSht to exercise this option for the price listed until 6 months after contract award Six thousand, f~ve hundred O S Dollars (O S $ 6,500 ) (Price in Words) C 2 ADJUS~tl~NT FEIC~$ ~OItNA~UPAC~I~EE'S TECRNICAL SELVZCE~ The fol- lowiu$ prices will be used to adjust the contract amount for additions to or deductions from the mamufacturer's service representative's time spec- ified in gection IA Weekend Ee~ular Time Overtime Weekends Overtime Par diem at pro~ect site U S $ 650 U S $ 975 U S $ 975 U S $ ~300 Per round trip to a~ from the project site U S $ 1200 [DENTO~ 10566 TURBINE GE~ 62 0200] [ 031387 ] C-~ ¢ 3 SCHEDULE OF CANCELLATION ¢~GE,S The undersigned hereby proposes the following i'~formation regarding dates and cancellation charges in ac- cordance with the requirements of the Instructions to Bidders article en- titled SCHEDULE OF CANCELLATION CHARGES All dated quoted are based on meetin$ the dates specified in Section IA C 3 I En~inaerin~ Latest start date for engi- ueerin$ (days before scheduled delivery) 380 Haximun amount for en$~neerin$ U S $ 120,000 C.3.2 Procurement Latest start date for pro- or reae~vatiou of mhop space (days before sched- uled delivery) 365 14aximum amount for pro- curement of raw materials U S $ 375~000 C 3 3 Shop Fabricatiom Latest start date fo~ shop fabrication (days before scheduled delivery) 300 Hax~au~amount for shop fabrication U S $ ?00,000 C 3 4 Other Cancellation Criteria In addition to the requirements listed ao-~, the unde~eigne---~oses the following cancellation cfi- (D~qTOH 10566 TUItBIlqE GEN 62 0200] [ 031387 ] C 4 TRAI~NG PROGRAM OPTION Lump sum prica option for providing ~razn- ins program as described in the Proposal Data section Twelve thousand f~ve hundred U S Dollars (U S $ 12 500 ) (Price in Words) C 5 SPAR~ PA~T$ Lump sum pric. option for furnishin$ fob the Owner's facility in Denton, Texas, including all costs associated therewith and the bidder in Section D qtxr¥-~v~n ~hn,,~nd ~hr and twenty- U S Dollars (U S $ 67,820 ) (Price in Words) C 6 ADDEIqDA The undersized bidder acknowledges receip~ of ~he follow- ~ni ~whtch have been considered in preparing chis Proposal Da~ed Dated Dated Da~ed C 7 DEC~O~S ~ SI~A~ES Enclosed herewith is the requized Pro- posal Gua~aa~ae l~e a~un~ o~ five (5) percen~ of the co~al of lu~ s~ price(s) bid, 5~ o~ 8~d P~,ce U S Dollars (U S $ ) (A~ in Wo~ds) which ~he unde~sl~ne~ bidder a~rees is ~o be forfeited ~o and become the p~oper:y o~ ~he City of De~, Texas, should ~his Proposal be accepted a~d a con~rac~ be awarded ~o h~ and should he fail co em~er in~o a con- ~a~ tn ~he fo~ prescribed ~d co iuznish ~he required bonds, bu~ o~he~ise ~he a~oresaid Proposal Guarantee will be retumed upon his siin~ ~he Con,rat: A~re~en~ and deliverin~ ~he approved bonds ~e undersi~ned bidder fur:he~ agrees cha:, in case of defaul~ in execu- ~ion of suah Come,ac: A~ree~n~ wi~h necessary b~d, ~he check or bond acc~a~yin~ ~his Proposal and ~he money payable thereon (a) shall cover the cos~s associa~ad ~h such default, (b) shall cover a portion of costs associated wi~h such defaul~ and ~he bidder shall be liable for the balance, or (c) ~he ~esidual obligation of such sure~y, af~ar deduc~ing ~he cos:s associated wi~h such default, shall be released Co the bidder [DEIqTOII 10566 TUt~BI~E GEN 62 02001 [ 031387 l C-6 The undersigned hereby declares Ghat only the persons or firms interested in the Proposal as principal or principals are named herein, and that no other persons or firms than herein mentioned have any interest ~n thLs Proposal or in the contract to be entered into, that this ?roposal is made without connection with any other person, company, or parties like- wise submitting a bid or proposal, and that it is in all respects for and in good faith, without collusion or fraud If this Proposal is accepted, the undersigned bidder agrees to submit drawings an4 engineering data in accordance with Section 1C and co tom- place delivery of equipment and materials in accordance with the speci- fied schedule The undersigned fully understands chat the time of draw- ings and data submittal and equipment and materials delivery is vital to the completion of design, construction, and operation of the Lewisville Hydroelectric Project at the Lawisville ReserVoir near Lewisville, Texas and is a basic consideration of the contract If writ:eh notice of the acceptance of this Proposal is delivered to the undersigned within 120 Says after the time set for receipt of proposals, or any time thereafter before this Proposal is withdrawn by the bidder, the undersisned will, within i0 days after presentation of the document [DENTON 10566 TUE~INE GEN 62 0200] [ 031387 for siSnature, execute and deliver to the City of Den:on, Texas a con- tra¢: in the form of :he Con:tact Asreement attached, co. lets with ac- oep:able Performance and Payment Bonds Dated a: Lach~ne this let day of April [987 Bidder Dom,n,on 8rldge-Su]zer In: , (SgAL) By W R Strub Title Executive V~¢e-Pres~den~ & General Manager, Energy D~vis~on Business Address of Bidder 555 Notre Dame Street Cach~ne) quebec, CANADA HSs 287 Stats o~ ~ncorpo~a~lou CANADA Add, eSs of ~r~nc~pa~ Of~ce 555 Notre Dame Street S~er of Person :o Con~act ~e~ardin~ this Proposal T P Taylor 555 Notre Dame Streett Lach~net ~u~bec H8S 287 CANADA TELEPHONE (514) 634-355] [DENTON ~0566 TUP. BINE GEN 62 0200] pPOPOSAL DATA D 1 GENERAL Each bidder shall submit complete and definitive ln:or~a- tion on his offering in sufficient detail to permit a complete anal szs of the bid The requirements stated in tbs Instructions to Bidders rela- tive to information submittal shall be followed The requirements for information contained in this section are basic re- quirements Additional information shall be provided as requested by the Owner or Engineer The blank data sheets included in this section shall be completely filled in The data listed therein shall not relieve the Contractor of his re- sponsibility for masting the requirements of the detailed specifications The bidder shall not alter the original Proposal Data section page num- bers If it becomes necessary to add pages, at other than the end of the section, a suffix such aa a, b, or c, etc , shall be added to the original number to designate the added page number Pages added at the end of the section shall be numbered sequentially by continuation of originally es- tablished numbering If the bidder finds it necessary to reproduce any of the Proposal Data pages, methods of reproduction shall not appreciably reduce or enlarge the reproduced pages In the process of preparing the bid evaluation, the right-hand portion of Proposal Data pages which have a trim line will be trimmed off and ~atched with corresponding pages received from other bidders It is'therefore desirable that these pages match as nearly as practicable with the original left-hand portion of the page when placed aide by aide The bidder shall make no changes to the left of the trim line ~here alternates are indicated in the Proposal or Proposal Data, the bid- der shall provide complete information for each alternate Write entries boldly with black ink or type entries using carbon black ribbon Do not use ball point pens or blue ink D 2 PERFORi~AN~E CURVES The following performance curves shall be fur- nished with the Proposal as specified in Part 2 of the specifications Turbine hill diagram with efficiencies, allowable sigma limits, wicket gate opening, and runner blade angle for net heads between 76 and 25 feet, with upper and lower limits for continuous operation Generator efficiency curves [DENTON [0566 TURBZNZ GEN 62 02001 022786 D-1 Speed increaser efficiency curve ,0' REQL[RE3) Combined turbine - speed increaser - generator output as a function of turbine discharge for net heads of 76, 60 and 49 feet, with upper ~nd lower limit for continuous ~nd temporary operation Sigma break curves at maximum and rated discharge for maximum and rated head Characteristic curves of model and prototype turbine runaway speed and discharge Flow, head loss, and torque curves for the synchronous bypass valve D 3 DRAWINGS Drawings shall be submitted indicating the following in- formation Ail drawings shall be in sufficient detail to permit prelimi- nary arrangement studies to be made Individual general outline drawings of major equipment com- ponents with cutaways showing basic dimensions and construc- tion details and features General outline and arrangement drawings of the assembled system in plan and elevation showin$ approximate overall and governing dimensions, locations, elevations, and order of arrangement of major components, and locations and sizes of required building openings, floor plates, hatches, turbine wa:ar passages, bypass valve, ccc Also, show general ac- cess and clearance requirements for erection, operation, and disassembly of system components Include sufficient infor- mation to determine overhead clearances AIl dimensions shall be in feet and inches Shaft seal arrangement Turbine control block diagram gxcitation system functional diagram Foundation and powerhouse loads and associated performance criteria including but not limited to stiffness and preload- ing requirement for anchorages [D£NTON 10566 TURBINE GEN 62 0200] [ 031387 ] D-2 D ; SUPPLEMENTARY [NFOI~TYON The £ollowing supplementary in£o~at~on shall be submitted with the Proposal as provided for in the Instructions tO Bidders Approximate total power requiremen~s for equipment furnished noting approximate portions required by major components Manufacturer's descriptive data for all major individual components including, but not limited to Generator Speed increaser (NOT REQUIRED) Turbine Synchronous bypass valve Controller Excitation system Control system Swicchgeer Neutral grounding compartment Water strainers Transient calculations of speed and pressure rise at normal and emergency shutdo~m List of instruments for each major component Brief description of Erection procedures Turbine guide and thrust bearings Turbine shaft seal Couplin8s between turbine-speed increaser and speed increaser-generator [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] D-3 DOMINION BRIDGE-SULZER INC (Bid~e~'s Name) D 5 TILAININ~ PROOl~a~4 The bidder The tralnln~ programme consists of sha~ provide a complete deec~ipc~on ' o~ CraSh,nS p~o~ram, an ~CemLzaC~on f~ve eight hour days combining both o~ co,Cs ~nc~uded ~n the ~ump sum proposal p~ce ~o~ C~a~n~n$~ avaiL- theoretical instruction and practical able a~Ce~na~ae, and the bidder's recommendation 'hands-on"operating experience w~th all the equipment supplied under th~s contract The programme ~s broken · down as follows - Control schematics theory and opera- ting / maintenance instruction for instrumentation - Theory and operating / maintenance instruction for motor control center, · programmable controller and alarm systen · - Operation and maintenance of power plant, practice - Electronic governor-theory and opera · ting / maintenance instruction - Electronic governor adjustment and operation, practice ~i The course will be given by one full t~ instructor supplemented by two days with a governor specialist In add~t we encourage the operators to take an active part in the commissioning proce in order to gain experience w~th the · equipment [DEB'~ON 10566 '~URI)I~E GEN 62 0200] 030SSS ] COST BREAKDOWN D-~ 7 MAN DAYS X S600/D~Y S42C~ 2 RETURN TRIPS S2400 D 6 qUALITY ASSURANCE The following quality assurance information shall be submitted with the proposal D 6 I quality Assurance Manual Bidders shall submit their Cualzty As- surance Manuals with th~ proposa]s for a quality assurance evaluation Ths Manuals shsll contain procedures that the bidder will follow during design, procurement, and fabrication of the equipment to be furnzshed un- der this Contract The Manual should contain procedures that apply on!v to the equipment being supplisd for this Contract, and should contain implsmenta~ion exhibits that will be used [DENTON 10566 TURBINE GEN 62 0200] [ 022786 ] D-5 D 7 CODES AND STANDARDS Bidders sha]I provide a complete listing of codes and standards which are proposed to be substituted for the codes and standards specified in these specifications Specif, ied Code/~t~ndard Proposed Code/Standard [DENTON 10566 TURBINE CEN 62 02001 [ 022786 l D-6 D 8 WORK LOCATION AND SUBCONTRACTING Bidders shall list the SsoRraphic locations wher~ major elements of the work will be performed Bidders shall also list the major elements of work co be subcontracted, names of proposed subcontrac=ors, and locations where such work will be performed Subcon=rac=or Component ~If Applicable) Location of Work T~rb~ns Stationary 08-S M~r~l~ 0uebe¢ Parts Turbine Rota~n§ Bell Enqlneer~nq Kr~ens~ Switzerland Parts Generator Electric Mach~ners M~nneapol~s~ M~nn Switch,ear?Controls PACS Ind Inc Mt Vernon Ohio D 9 SPA~E PA~TS The bidder shall provide a complete lis=ins of recom- mended spare parrs =o be fu~nished for =he Spare Parrs Option price 8~aCed in she Proposal (Sec=ion C) The lis=ins shall include quantities to be furlt~shed, descr~p=ion, and unit prices should =he Owner decide co purchase only selected spare parrs Deecrip~ion ~ua~Cic~ Unit Price~ $ Total Price, $ Please see attacged Spare Parts L~st {DENTON ~.0566 TURBINE GEN 62 0200] [ 022786 ] D-7 DOMINION ORIOGE-~II.ZER IN ~ NECESSARY SPARE PARTS FOR S-TURBINES SET/qUANTITY DESCRIPTION USS I Runner blade seals complete 550 1 Servopiston sliding ring seals 580 1 Bestobell seal ring, Including 0 rings 8,160 1 Psds to one thrust bearing 3,680 1 Floating seal to guide bearing 1 250 1 Buckling links 1,410 1 Gear pump for bearing oil supply --- I Special seals, gaskets, packings 675 10 Filter elements for governor oil 845 10 Filter elements for lub oil 600 1 Solenoid for emergency shutdown valve 1 Solenoid for stop valve 1 Pressure gau~e for govenor oil 235 1 Pressure gauge for lub oil 235 1 Oil Pump without motor 4,015 1 Lub oil p~t~p without motor 525 1 Servo Valve for runner 6,000 1 Servo Valve for wicket gates 5,300 I Guide Bearing Sleeve 1,845 1 Floatin~ seal to thrust bearing 1,055 1 otl inlet head 4,025 1 Shaft protecttn~ sleeve 4,895 1 Outer and inner bearing to guide vanes 2,195 1 O-rings and rubber seals 575 2 Flow-svitch (indicator) for oll supply 1,445 1 Thermostat for pump unit 525 1 Gaskets and packing seals for governor oil pump 190 1 T~o-~ay valve for overspeed pendulum 520 1 Limit switch 55 I Fuses for governor 65 1 Ansle Converter (runner) 1,495 1 Angle Converter (distributor) 1,440 1 Overepeed Switch 1,945 1 Loose Wear Rtn~ to Bestobell 2,210 1 Generator bearing sleeve 8,200 3 Generator fuses 700 TOTAL 67,820 Description Quantity Unit Price, $ Total Price D 10 EQUIPMENT DATA The information required on the following pages is to assist the Engineer in evaluating the Technical Proposal The data listed herein is stated for definitive purposes and for the con- venience of the O%mer [DENTON 10566 TUKBINE GEN 62 02001 [ 022786 ] D-8 (Bidder's lame) D 10 I Turbine }lanufacturer DOrllNION BRIDGE-$HLTER/BELL ErlGR G Inlet diameter, inches 90, 94 bl~imum outside dimensions, £nchas 106, 93 360 Turbine design speed, rpm Direction of rotation vieved CLOCYWISE ~rom upstream ~aiihcs, pounds Total 55000 lbs Heaviest piece handled durin$ erection STAY RII~ & DISTPIBUTOR ASll ( 240C0 lbs Heaviest piece handled durinB main:anance hEAPING & RU~INE~ AS~ ( 12000 lbs) Type ADJUSTABLE BLAnF TYPE V~a,=srtal (by AStl4 Noo) AS'IH 743 GRADE CA 6I~1 Outside diameter, inches 64 96" 5 Number off bledes Runner hub diameter, inches 28, 58" Total vsishc, pounds llNO0 lbsl~ ~aximum hydraulio ~hrus~ at ~ LATER normal opera~ion~ pounds ~laximum hydraulic thrust durini emergency shucdo~'n, ~ LATE~ pounds AS~I A 106 Ga C DP A 202 GP NaCectal (by AS~i No ) [D£NTON ~0S66 TtRBI;E GE' 62 0200] [ 022786 ] D.~ 1 WEIGHT OF RJNNER INCLbDF. S E'AR G (Bidder's (shai~ bod~) inches 8 (couplinss), inches U/$ 25 31 / Overall len$ch o: one piece, inches 172, 52 Weisht, pounds 3000 lbs Packing bo~ Type PACYI~IG SltJFFING BOX Sealing water flow/pressure 6 gpm/ 22 psi Guide bearing Type BABBITT - METAL LIIIED Diameter, inches 8, 86" {ID) Einer material BABBITT - ~IETAL Quantity of oil, gallons FORCED LUBRICATIOn) O, 26 gpm Thrust and guide bearing Type DOUBLE ACTIIIG/TILTH'G BEARII'G SEG'EI TS Outer diameter, inches 20, 00' Inner diameter, inches 7, LATER Design thrue:, pounds Design ¢ounterthruet, pounds ~ LATEP Liner material ~ BABBITT - ) Cooling oil re~uiremente, flov/preeenre l~ 30 gpm/ 12 psi quantity of oil, gallons FORCED LUBRICATIOII SYSTE~' [DENTON 10566 TLPBIN£ GE~' 62 0200] [ 022'86 ] D-10 D~-S Runner throat casin$ Alsteri~l (h~ AqTM ko ; ASlt~ g o40 TYPE ~ I D~meCer inches 64, 96 Weight pounds Turbine casing ?~, DISCHAPGE Maximum diameter, ~nches RI~IG 64, 2O ~n~mum dismete~, ~n:hes Thickness, inohes 5/8" ~ength, inches (TOTAL) 65, 38 Me:e~i~ ~b~ A$?M No ) AS1U A 2R5 GI~ C ~e~gbt, pounds (TOTAL) 5500 lbs Bulb casing Outside d~ametet, inches ~, 77" Thickness, %riches 3~4" Mater~a~ (by ASTH No ) AS~,i A 36 ~e~ght, pounds Start tube AS~4 A 285 GR C ~aceti&~ (bT AST)4 ho ) ~ensth, ~nchss ~ 3/8 Thickness, ~nches Outlet dtmens%ono, vtdth x height, inches Weight, pounds lO 000 [D£I~"rON 10566 TLPJI~£ G~\ 62 0200] [ 022786 1 D-il OB-S, (Bidde~'s Distributor ¥sCerial of stay column A$~I A 36 (by ASTI.! No ) Nu~be~ o~ s~ay columns 4], 34" 8Csy column hsiBh:, inches Materiel of ~icke~ Sates ASTM A 27 GR 65-35 (by &$Tlt No ) ~unbar of wicket sates 13 Wicket Sacs heishc, inches 23t 09 Type of Sacs seals PARKER 'POLYPAK' SEALS Type of lubrica:ion of bearinBs FIBERGLIDE BUSNINGS LeakaSe rats for new wicket Sates, all closed, runner dewatered, Spn 2249 ~aterial o~ operaCin$ ring (by AST~ So ) A$~i A 27 GR 70-36 Total veishC o£ conplece dis- 24000 ~ Cributor assembly, pounds Recommended maximum river water 4" × 4' object size, inch x inch Water strainers Nu~er ~anutacturer ~ M3~2L OR EQUAL ~odel ~esh 25 MICRON 2 INCLUDING STAY RING ASM [DEt,,'TO~ 10566 TU~BX~E GE~ 62 0200] [ 022786 ] D-12 DB-S, (B~ddert8 Name) D.10.2 $Tnchronoue Bypass Valve. DuCCer£1y HanufacCurer and model 1 OF THE SUPPLIERS IN CONTRACT SPEC ' BUTTERFLY VALVE D~sk Cype Nominal diameter, incites Design pressure, psi 50 PSI 108416 Cv aC ~00 percent open Weight of each valve, piece, pounds 6 000 lbs Shaft diameCer, inches Disk thickness, inches LATER~ Face-Co-~ace dimension, LATER(~) incites Disk clearance dimension, LATE~ incites Disk axis posicion LAT£R(~ Haximum required shaft torque wich operacing cycles and design flows specAfied, ~ 000 ~-~b$ Angle aC which maximum torque occurs, degrees £rom closed : 35~ Flan~e thickness aC boar circle, incites Deotgu pressure, psis ~: 75 ~laxtmum eight shutoff pres- · · LATER(~) sure, psis · IDENTON 10566 1URBIrl£ C£~ 62 0200] [ 031387 3 INFO TO BE PROVIDED UPON RECEIPT OF CONTRACT & VALVE DESIGN COMPLETION (B~dde~'e Hame) ~erial8 (by ASTM Ho ) Body ASTM A-48 CL 40 W Diek . ASTM A-536 GR 65-45-12 Shaft ASTM A-276 TY 304 Rubber sea= ' BUNA N Gear reducer Manufacturer i LATER~'~ Size or claes : LATER~ Maximum required force =o operate handwheel while unseating :he valve with design di~£erenCial pres- LATER~__ sure, pounds Free diecha£$e Manu£acCurer and model Allts-Chalmers Hydro In= · 48" Nominal diems=er, incites · Weigh=, pounds 9000 lbs Type of opera=or i Two (2) Double Actlnq H,¥d C~llnders Face-to-~aee dimeneAone, · inches 7' - 5" Design pressure, pe~g : 50 PSIG Materials Body ~' AS1M A-516 GR 60 Body sleeve ~ Staine§) }tell 304 Gate ASTM A-516 GR 60 c/~ Bronze Seat Opera=lng mechanism ASTM A-36 [DENTON 10566 TURBINE G~N 62 0200] 9-14 information to be provided upon receipt of contract and valve design completion OB-S, (B£dde~'s Name) Sea~ I)-£1lP HY£AR Can=er suppor: flange ASTM A-516 GR 60 Lan:am ~im~ and Blend Bronze Alloy 936 requirements Square, len$ch x width, inches 8' - 8" Square Roumd, d~ams:sr, ~nchss 10'- 0" Die D 10 3 Con:roller Manu£acCure~ ~ul~er-Escher W~ss Type or mode~ [T~ 21 (ElectroDlc head) Daadband, psrcsn: IAT~ Dead :~me, seconds LATER Time cons:an= of damp~n~ ~ device, seconds 1 to 60 seconds, settable Runner ferule:ins torque, ~ATER(~%/ Minimum runner c~os~n$ :ims, seconds 40 seconds Wicket Sacs rsSU~a:in$ :orqus, lb-f: LATER(l) Minimum wicket Sa:S closin$ ~- lO seconds Maximum w~¢ket gate open,ms ~ :Sma, seconds ~ 40 seconds Wicke~ same 8ervomo:or volume, LA~E~- sa~lons Information to be provlded upon receipt [DENTO~ 10566 TURBINE G£N 62 0200] of contract [ 031387 ] D-IS DB-S, (B~dder~s Name) Runner blade set. omo=or volume, gallons LATER(~) Ope~ac~n$ o~ pressure, ps~ 900 ~n~mum o~ pressure for sa~e reSul~CLon, ps~ 400 Coo~ng of controller ~equ~red, yes/no NO Zf yes, coo~ng ~acer requirement · c 90 F, flow/pressure N/R gpm/ N/R psi Motor driven o~l pumps Manufacturer LATER Model or Cype LATER · 1800 Speed, rpm Capacity ac raced pressure, LATER gpu * O~l pressure cank * · NOT APPLICABLE Type Manufacturer Volume, gallons Diamecec, ~nchee Height, ~nchea Operating pressure, ps~ Power supply for electronic control un~C Znd~caCe preferred power STATION BATTERIES (DE~TOH 10566 TURBINE GEN 62 0200] 03~3g? D-~6 DB-S, (Bidder's Name) Indicate current s~stem, ac DC Voltase ~ 24 V MaxLmum current, r~ POW[R CONSUHPTION APPROX 50 VA Controller elactrLc control unit, langch x widch ~ haLghc, inches 12 DEEP x 19 WIDE x 16 HIGH Controller hTdraulL¢ cubicla, length x w%dth x ha~ght, felt 40" x 35,43" x 65" Oil pump motors HYDR /LUBE tianufacturer GE, WESTINGHOUSE OR EOUAL Type SQUIRREL CAGE INDUCTION $~za, horeapo~ar HYDR APPROX 15HP, LUBE APPROX 3 HP Voltage/phase ' 460 / 3, Speedm rpm LATER Full load current, amperes LATER Locked-rotor current, amperes LATER D 10.~ Speed Increaser Manufacturer NOT R[QUIREO Type or moda~ .-,. Service factor ~ Maximum horsepower ratin$ ~ Gears . Material (by ASTI~ No ) [DENTON 10566 TURBINE tEN 62 0200) [ 022786 ] D-17 Relisb~li~v fac=or Life factor Direction of ro=a=ion viewed from upstream Driven shaft (turbine end) Driving shaft (generator end) Bearings Type Radial Thrust Quan=i~y Radial Overall dimensions, width x dep=h x heish=, inches Elevation ac base (NGVD), fee= , Weight, pounds Gear Low-Speed Shaft Hi,h-Speed Shaft Coupling type Shaft spacing, inches [DE~TO~ 1056~ TURBinE ~ 6~ 0200] 03~387 D-18 DB-S · (Bidder's Coo~in$ waker raqu£ramen~ PLo~ required a~ 90 F inle~ temperature, gpm Pressure drop on coolin$ water side, psi Speed increaser service factor/ ' life, hour Speed increaser ~hrusC bearing :. racing, pounds Speed increaser torque rating, Type, make, and desisnation of monitoring services Xigh and low oil level · seneor8 Temperature monitors · Vibration transducers Oil flow monitoring device Waker £1ow monitoring device ~aximal compensation o£ sha£t . uisalignment Angular, degrees Radial, inches D I0 5 Generator Nanu~acturer ~ Electric Machinery ~'' 3000 kVA rating · kw rating at gO percent power 2700 [DENTON 10566 TUR$INE GEN 6l 0200) [ O3X387 ] D-~9 DB-S (Bidder's Name) Temperature rise, when oper- atin$ ac rated kVA, 0 9 powar factor and 50 C ambient, mea- sured by resistance in desrees C Sta~or-- 70 ~ain field 70 Exciter arms=ute 70 Exc2ter [ield 70 Temperature rise, when oper- atin$ at rated kVA, 0 9 power factor and 50 C ambient, mea- sured by RTD in desreee C Stator 75 Exciter a~mature Exciter f~eld Service factor Design speed, rpm 360 Max/mum runaway speed, rpm ]]60 Overall dimensions, inches ]]9W × ]03H x ]50[ Elevat2on at base (NGVD), feet Less tha~ 3 300 fee~ Shaft d~ameter, inches · 12 ~ Self ventllateU Generator cooI~n$ system type aequ~red seneraCor coolins a~r volume at sea level, scfm For 50 C (122 F) ambient ]] 000 For -17 C (0 F) ambient ]0 500 [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] D-20 ~5-S (Bidder's Name) Weight of ro~a~in~ paros of genera=or including flywheel, 25,000 pounde Weigh= of compls=e Sonora=or, 52 000 pounds Genera=or =o~al inertia (WR2), 75,000 In case of shot= ciroui=, maximum torque =o =he founda- =ion, lb-f~ 317,000 Main =erminal box dimensions, wid=h x depth x haish=, inches law x 400 x 72H Genera=or ehor=-circui= fa=lo, sa=urn=ad hishar chan 0 9 Synchronous reactance, 1 unsaCura=ed (Xd) Tranoion= reactance, . 35 unsa~ura~ad (I"d) Power diasram No Volcase ~eacs $~a~or, V/mia 9320 Eo~or, V/mia 2~00 Ea~ed axci=a~ion require- msnce Vol~ase, dc ~ 2~0 ~ BRUSHLESS ~anufa¢~u~e~ LATER IF REQUIRED [DENTON 10566 TUPBINE GEN 62 0200] 031387 ] 9-21 TO BE DETERMINED AT TIME OF TRANSIENT CALCULATIONS OB-$ Inertia (WA=), lb-ft= LATER Ou~si~e d~ame~e~, fee~ LATER Thickness, inches LATER WeiSh=, pounds LATER D 10 6 Neutral Groundinj Equipment Grounding transformer Manufac=urar GE OR EQUAL Oatmlo) ~o or TTps LATER Groundin$ resistor Manufacturer CH OR EQUAL Catalog No or ~ype ' LATER Overall dimensions and total · veight of neutral grounding equipment Height, inches 36 ~idth, inches 36 Depth, inches 18 Total veisht, pounds LATER D 10 7 Svitch~ear ~anufac~urer ~ PAC$ INDUSTRIES INC Circuit breakers Catalog No '~ $IE~ENS-ALLIS ~A-250 Type AIR ~AGNETIC [DENTON 10566 TURBINE GEN 62 0200] 031387 ] 9-22 ~-$ (Bidder*s Name) Operating mechanism CacaloR No Type STORED ENERGY C~os~n$ current 8 125 voles ac, amperes T~ms co close, cycles 4 Tr~pp~n$ curren= ac 8 &8 voles dc, amperes T~me Co =r~p, cycles ] 8 PeCan,s and capab~licies Current recesS, amperes ]200 Vol~ase recesS, vol~s Nominal 3 phase 14VA 250 Maximum ey~e~r~cal ' ~ncerrupc~nS capacity ka rms aC (1aCer) kV 36 3 second shore ra:~nS, ka rms 36 Cloein~ and la:ch2n~ 58 capab~liey, ka Insc~mencs and devices Hanufac:urer T~e Current :ransfomers S~nsle rac~o ~ INS~UMENT, TRANSFORMER LATER ~ul:~ra:~o ~ INS~UMENT YRANSFORMER LAYER Pocen:2al :ransfo~ers ~ GE LATER Control sw~cchee ~ SBI [DENTON 10566 TURBINE GEN 62 0200] [ 03~387 ] D-23 OB-$ (Bidder's Name) Manufacturer TTpe Indicatin$ lights Relays Auxiliary GE HFA Timing AGASTAT 7000 Lockout, manual reset GE OR FIF£TROSWITCH ~FA OR Phase ovsrcurrent~ voltage restrained (sir) GE I~CV Ground overcurrznt GE IFC ()INGT) Ground dztsction ($9G) Ground detection (59B) GE IAV Bus protection (g10/21, 27, 59, &?, 60) BECKWIT~ PRIDE M-0296 A/arm GE HPA Synchronizing vzri~i- cation (25) BECKWITH M-0388 Negative sequencz (&6) GE INC Trans~ormsr di~£erentiel (g?GT) GE BDD Generator dif~erential ~ GE CFD (gTC) Loss o[ excitation (40) GF Zeverse power (32) ~ ~[ GGP Type and size of wire used in small wiring SIS ~ 14 [DENTON 10588 TURBINE GEN 62 0200] [ 031387 ] D-2& D8-S (Bidde~'s Name) Type of bum insu)ation LEXAN SLEEVE Type of bus supports POLYESTER Type of insulation on connections 800TS Size of completely assembled ~wttchssar, inches Halsht 90 Depth 94 Lensth 7000 Total weisht of switchsssr, pounds Shtpptn$ pieces Numbor AS REQUIRED Weight of largest shipping LATER group, pounds D 10.8 Control Switchboard Manufacturer PACS INDUSTRIES tNC Outlino dimensions each section, width x depth x height, lnchos 36 x 30 x 90 WelSht saoh section, pounds 1000 Weight of hssviest component to be delivered, pounds 2000 Dimensions of largest componants to bs moved chroush powerhouse hatch ~ 72 x 30 x gO ~ Manufacturer T~pe Instruments and devices Relays Auxiliary GE HFA [DENTON 10)66 TURBINE GEN 62 0200) [ 031387 ) D-25 DB-S (Bldder'm Hame) Manufacturer Type Timing AGASTAT 7000 Lockout, manual reset GE HEA KtZowatt-hour ms=ers GE SWITCHBOARD TYPE Anglos meters CROMPTON SWITCHBOARD TYPE CROMPTON 262 DtStta! meters Control switches GE SBI Recorders : YOKAGAWA MULTIPOINT Annunciators PANALARM SERIES 90 Transducsrs ~ LATER Au=oua=tc vol=eSe reSulacor : BASLER SRBA Power fac=or controller Auto sTachroatzer BECKWITH M-Olg3 & M-0194 ProsrmbLe coa=ro~er · GE SERIES SIX D 10.~ Equipment Perfo~uamee The performance dace %nde=aCed below sha~1 be suaranceed Generator output of curbLne-speed ~ncreaser-senerator unit ac Fated nec head of 60 ~eeC, ~70 cfa 2128 and 0 9 power £actor, k~ · · urb~ns ef~c~snc~as at 470 cfa flor and ne= heed o£ 49 ~eeC 91 2% (turb) [DENTON 10566 TURBINE CEN 62 0200] [ 031387 ] D-26 DB-S, (B£dder'$ ~lamc) Turbine efficiency at 3~0 els and nec head of 76 feeC ~0 feeC 91 --~ fae~ . 90 4% (turb) Turbine effic~enc7 ac 200 cfs , and nec head of 76 feeC 60 feet · ~7 ~ feet ' 86 Hax~mum continuous unLc ~nB cond~Cion for · net head of * 60 feet and 0 9 po~er fflcCor Turb&ne £~o~, cfa Turbine e£f~c~encr, per- * 90 5% (Curb) cent Turbine po~er output, kW ~B92 KW Speed ~ncreaser eff~c~encr, * percent N R Oeneracor efficiency, percent Generator output, kg HLnLmum continuous ·cabLe turbine operaC~n$ flo~e for nec heads of ~ * 7~ £eeC ~ 15~ cfa 60 ~ee~ 14~ c~s 49 f~eC 130 cfm [DE~TO~ L0566 TURnXN£ O~N 62 0200] ~-27 Load rejection overspeed and maximum pressure ri~e in turbine inlet Maximum output. 76 feet net head Maximum output. 60 feet net head With 470 cfs. 60 feet net head Highest allowable turbine shaft center line elevation (NGVD). feet Turbine oft-earn runawav condi- tion with 76 feet net head Speed. rpm Flow. cfs Minimum time to rsach runaway speed from rated speed. seconds Turbine on-cam runaway condi- tion with 76 feet net head Speed. rpm Flow. cfs Minimum time to reach runaway speed from rated speed. seconds Flywheel effect (wail) of all rotating parts of hydro- generator system. including flywheel (rsferred to generator speed). lb-ftil 1 To be determl ned @ the t, me of trans, ent calculatlon DB-S. (Bidder's Name) Wicket Gate Speed Closing Time. Rise. Seconds ~ LATER <D LATE~ CD LATE~ LATER LATER cr LATERJ; 44283 FT Pre~sure Rise. psi LATER (f\ CD LATER LA TER T 1159 pnn , LATER (j) 860 870 ,... 01' oS ,. ! ~ .., LATER CD LATER Cì' [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] D-28 Generator efficiency (75 F), percent At 75 percent rated kVA At 100 percent rated kVA At 115 percent rated kVA Speed increaser efficiency, percent At full load At 50 percent load First critical speed of the rotatinl parts, rpm Maximum overall sound pressure level of entire turbine/speed increaser/generator assembly at any location 5 feet above the floor at a distance of 3 feet from a reference perimeter which contains the equipment Location Overa1l sound pressure level. dB to a reference of 0,0002 microbar "A" scale "c" scale Average Annual Generation Hodel Qj' oS Avail- Tail- ,. able Net Head water Hours of! Flow. to Tur- Ele- Opera- " ...st!- bins, it ~ tion t. 180 64 1 447'-2" 2,290 DB-S. (Bidder's Name) l...Q....£! 972 97 3 Q...i..Ef. 96 8 96 8 97 1 966 N/R N/R LATER <D Generator/Hydraulic Pump1ng Un1t 85 LATER Flow Generator Through Output Power Turbine. @ 0 9 pf, Generated. cfs kW kWh 180 779 7 1 785.426 [DENTON 10566 TURBINE GEN 67 0200J [ 031387 ] D-29 DB-S (Biclder's Name) Avail- Tail- Flow Generator able Net Head water Hours of Through Output Power Flow, to Tur- Ele- Opera- Turbine, @ 0 9 pf, Genereted, ...ili- bine, ft ~ don cfs kW kWh 240 63 8 447'-6" 890 240 1109 1 987091 320 645 447'-10" 1,520 320 1536 3 2.335.212 360 63 1 448'-0" 765 360 1702.0 1.302.066 400 61 4 448'-2" 765 400 1847 3 1.413,160 440 595 448'-4" 890 440 1971 2 1.754,397 530 59.8 448'-8" 275 530 2383 1 655,358 600 60 3 448'-10" 350 600 26976 944.174 650 605 448'-11" 275 623 3 2801 6 770.429 700 + 57 7 449'-1" 275 620 8 2654 9 730.088 Guarangeed averale annualsen- eration (based on above model). I 12,677.402 kWh Qj' oS ,. ! .. '" .., [DENTON 10566 TURBINE GEN 62 0200] [ 031387 ] D-30