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1964
TABLE OF C(7PiTEM18 w~ ' 1'a {e t11ru l't~: MB11'TVIVE'N'T A-1 A-2 ;INUPRIIC'TT.ON,1S 'PO BIDDERS IB „1, rD-JA PROPOIiAIf PF'-1. EgUIP1MI DATA IM-1 ED-) PERT'ORMICE DATA PD-1 I'll-!; CONTRACT AoRP7mw CA-'l. CA-2 i'L11'F'ORMANCIS BOND PE-l. PD-2 GUMERAT, CONDIT101'IS C',C-1. ac-21 GJNERAL SPM311CATIONNS G-1 a-O DIrIP012D SPTI,C:I'FYCA'TION' DS-1 I9),-ho !lcope DS-1. 11S-I~ Typo It5''4 Dosi.rn Conditionu ihti- j Fori'ormance Guarantee anti Torstu Dr.), 6 Furnace and Boiler anug'a Claimea Supporting Steel W-10 Do IA, Satoty Vnlver, Di-ll. Combination Relies' Vnlve TES-11 Blowdown Val.voa DS-11 M, 12 Mineollanooua Val.vra W-12 Iced 6latez' Val.ver3 DO-12 511perhoater IBS-12 DS- (DLIJ'!'ONi TEXAS - 3725 SIAM OLINL'RAT011 - M- 34A ~ 70 -1 Page thru rlye SUpencoat Control DS-1h 1)3-.15 Eo onomi r 07, U,`3-.15 I),3-16 Aspirating All, Connectionn DS-16 Regenerative Air IloaLer bS-1.6 b(1-17 SOOt I)lowerr llS-17 Forood Draft cars w3-IB W-e 0 Ducto DS-PO Wntpn ra ll9-21 hack W1-27 Motors DS-22 D;i-23 Piring Equipin nt Im-I),34Ss5 Refractories, limulaGion intd LaggrinGt D 'o-26 I),3-2'( Burnrr (1orstro,l System 1)3-26 I)5-36 rsreci.ton of ~Aoatn Generating Unit llS-37 ]XI-110 DENTONI mr,D(A,t - 3725 ~ .'M AM GBIMPATOR - M- 34A ) 7+1:..2 STEAM GUNEMATOR FOR DENTON) 'PMA,, Scaled bids drill be received by the City or 1?unton, 'T'exas, at the off.lce Of the Ihrector of Utilities, prior to 10;00 a.m. ConLral Standard !i'i.mn, *April 29, 1964, then publicly openod for furniehinp,; ONE ,1Tr;AM GENE MTOR UNIT Prospective biddoro may o.%amino copies of the specifications at the office of Black & Veatch, Consulting Lnginaern, 1500 Meadow Lako Parkway, Kansas City, MLssouri, Specifications will be lsoued only to tnose biddars who have been detolL. mined by the City of Denton, Texas, to be qualified to bid. Doterml.natsi.on of a prospeetive bidder's qualificaLionn will. be baoed entirely on written evidence submitted by the bidder in duplicate to tho City and the f,'nglnuer riot later than twenty-one (21) days before the time net for opening tho• bids. Mach prospective bi.dler shall aubmiL evidence that het Has adequate plant equipment available to do the work properly and expeditiously, Has adequate financial status to meet financi.al obligations incident to thin work. Has adequate technical knowledge and practical oxpoAence, Has no just or proper, claims pending against him on other si,ral:l.ar work. Has designed and manufactured three or more mA U of a y:irrd l.ar type and rating) operating under equal or more sovere service rondit.ionn than the equipment specified, and each rat' which has been in successful commercial operation for three or more years in central. Ntation powor plants within the United lrtabos. The evidence shall consist of a selected listing of the units indicating the Ownor's name, Location, elate of initial. operation, rating, operating conaibiona and typo. The listing shrill bo specially preparocl for this particular bidding and shall, liht only those unite; fa.11.1ng under the above requirements. Qualified prospective bidders may obtain copies of the ypecifieations from the Consulting Lngineera (mailing adareso Black & Veatch, 1' 0. Box 81105, Kansas City, Missouri 641111), Revisod in accordance with Addendum No. 1, DEN'TON, TWAS _ 3727 ) STMAM O1;NMRATOk a 14-31A) A-1 All bide mur;t be made on printed contract document f'ortmi Included .tn tho rpoelfirai;ion8. When f1.lr:d with the Director of Uti.l.itics, each bid shu I I bo acoompanied o.ither by an: acceptable biddor'a bond, a certified ,,hec:kp or a cushier'u check on arty solvent bunk, the amount of which shall bo, noL lean thc;ri 5 per cent of the amount of thu bid. 'The: bid necatrity nholl be mud(. poynble to tho City Trearuror of tho City of Don'.•,on, Toxar. Bid necurity of the uucccrHful bidders, will be returne(I when their contracts have been mimed, fll.ed with, and approved by the City. 'Did ncr:ur'ity of mmucccrs- ful bi.ddere will be,, roturned on award of con'truct or rejection of bide. No bid may be altered) withdrawn or roaubmi.tted within rixty (60) dayn from and aftor thr- data uet for the openin(, o1.' bids. 'ilia City of Donton; 'i'oxt s, reserves t•,ho right to reject nny and all bide and to waive d.efecto in bi.rls, CI'T'Y OF DRNTOD1 1T,1XAe3 (DEN%.'JN) TEXAS - 3'(?5 ) ((S'T'VMM OL?VhMATOR - 14-34A) A zl~rs~rr:ucx7~N~ TO BIDnrmB 1'1i01'05n1,S. proposals shall be aubmitted in dup].a(;rcLe, ouch copy coi,t;aining a bound t'oams copy of Lhenc contract documents with the pi~oposa.l. and requested data properly filled In, Proposals aubmitted without a bound copy of those contvacL documentu or without all roquested data and information wi,11.. Amply that tho bidder dote not, intend to comply with all of Lho contract condi.tloris aitd such propoaaln will be considered irregular. The bound copy of these con- tract documents submitted with the proposal shall include all contract docu- momts conl;a,lnod therein when received by the bidder. );lltrioa made by the biddor on the contract document forms shall be tyl,ed or legibly written in Ink. AM prices filial.]. be stated In words and fi(,ures) oxeept where forms provide for prioea to bo stated in figuros only. Data forms to be filled in by the bidder ahall be boldly written with black ink or shall be typed with carbon back or ozalid ribbon so that suitable reproduc- tion of the forms may be made by direct diazo pri.nti.n(&. Conflicts between these contract documents and the bidder'a proposal including, contract torms) scopo of the work, details of design, materials, performance gtiarantoos, tenta, conditions of servi.a and methods of work shall be marked in ink and (signed or Initialed by the bidder on the bound copy of these Bpeci- fi.cutionn and documents submitted with Lho proposal. Coni'licts shall be marked directly on the pages where they occur by making reference to a purtie- Wor page or paragraph numbr.r of the biddor'a d.oacripLive information, or by inserting notations doscribing tho conflict. Conflict notations which make referenco to the bidder's denerlpLivo information as a whole will not be acceptable. In cane of oont'licto between Waco contract documents and any attached proposal information not marked no dlrooted these bound contract documonts shall govern. If the bidder alters any part of these contract documents by erasures, Bolo. Lions, i.ntevpolaLion a, or by any other way each such alteration shall be ni[rjcd or initialed by the bidder. proposals Shull be submitted in a uealed envelope addressed to the CITY OF DENIM) 'pLXAM and to the attention of the Director of Utilities. The envelope shall be endorsed on the oul;nido with the bidder's name and the name of the work bid upon. A singla proprietary interest shall not submit multiple proposal, for thr, same work even though the individual proposals may be submitted unaer different named. The Owner ronorvsa the .right to reject all proposals so submitted. Proposals may be withdrawn, altered, and resubmitted at any time before the time set for opening the bids. P.roponal.u may not be withdrawn, al.Lored or resubmitted, within 60 days tlte.reafter. (DEOTON) TRXA6 - 3'(25) 126963 Ili]. Pa proposal. shall, kill a Part thy, h(U, bid(-- l;acli guarantee r, l' yocd ('riitll en the pkirt of ddar, be accompanied by either a oortifi,crl check or cashioi" s check drawn on any solvonL bank, or nn aoc:optab.lc the bi.clcler bidclcr"n bond executed by and a surety company authorized to do buaineun :1.n the LaLe o.i'`'cxu in an amounL oi' n()t :IASa than rive per conL {5d oi' trio I,u+,u 3, bid, Tho propoual. gttaranLee 6110.1 be made pr.cyub:l.o without r:ond I Lion Lo the: City Treasurer of' the City of Denton) 'Texas and the nmount of I,he check or bond. may be rotnined by and fbrfcited to the snlc) L'ity of Donton, Texas no liquidated (inmagen If such propoual in accoptocl and Lho contract In owarded and tho bidder Tails to enter into a contract in the form proscribed) wi Wi loCall.y responsible suroties, within ton (10) clays after 1311011 award is mado, Proposal SuaranLeo ohockn or bonds will bo returned to u.11 unauccostiful bidderf after award. of contract oi• when their proposals are re,joutod and to the auc- 0esuful bidder or bi.ddors after Choy satiafactori:l.y exocuLe and file with tho Owner the Contract Agreoment and roquirod bonds, ` ONA'1'URUS Or 1MA)EPS, Each bidder shall nign tho proposal, using his usual signature, and jving his mill businouu addrosu, Bids by partnerships shall b(, signed with the partnership name by one of the members of the partnership or by an autho.rizod roprosontaLive, followed by the denignntion of the pennon sign- ing. Bids by a corporation shall bo signod with the name of the corporation, Coll.owad by the signature and donignation of tbo president, nccrctury, or other person authorized to oxcoute such documonts, The mamas of all parsons csigning should also be typed or printed below the signature, A bid by a person who affixes to his signature the word "pron.ldont"j "secretary", "agent", or cLhov dosignaLion) without disclosing his, principal., will be re,jectod, When ro- quosted by the Owner, satisfactory ovidonco of the authority of the officer signing in behalf' of the corporation sliall be furnished, TAXES) PElihUTS AND LICENSE] FEW:)'. The bid price stated in the proposal nhal.;1 1,ncl6dr n-J taxot; (federal, State and Local.), permits and Iicenuen Which might be lawfully assonacd aC{ainut the Ownor oi• Contractor for or in connection with tho propoual work. It shall be the bidder's rosponsibility 'Lo determino the appl.icubl.e tuxou, iiv;itu, and liconnes. If the bidder is in doubt as to whothor or not uny tax, permit, or 1i0011ee ILI applicable, lie shall stato in his proposal "Illothor• or not this itom has been included in Ilia bid price and the amount of the appli- cable tar,, permit, oil 1.1conse In question, INTERPRETATION OF SPECIFICATIONS. If' any person who conteruplatun submitting a bbd. for lho pro~pcuod conL-4r;act i in doubt an to the true manning oC any part of the plane, specifications, or other proposed contract doOuments, he may nub- mit to the lunginoor a written request for an interpretation thereof, 'Elie per- son submitting the requout will be reapunuible 1'or its prompt delivery. Any interprotation of the proposed doeumcnL.t will be made only by addendum duly issued and a copy of such addendurrr will be mailed or delivered to each por•uon receiving a aot of such documental The Owner will not be responsible for any other explanations or interprotations of' -the proposed documontn, (I)PNIMN) TEXAS - 3725) 12o9G3 rn-P 'AYP TL aht,J.t. bey the ,'espunniL.lllty or, the bidder to advise the Isragincer of.' cc;t,l'11et• lnl; rr.:quircmer;tn or ominaions or inforr,}ativn whJ,:h ar nacc±nsar'y to (A clear understanding r)l' the work be1'07'0 the elate uet f'()[' openlul.; biota. '1'huse quen- tiono not ranolvorl by nddendn 14hu3.1. be 'Listed in tho Pvopoeal., top Owl' ;.ril;h atatcmerrrto of tlw bunia 11pon Which the Proponaa. Ln macro (m arf'octod by creel, question, Tlb% OLD COMILETION. The time of complob.l.on oi' the work in a basic connictart.- toon of the conTracL Tho propoana. nhnll. be brined upon (:cnnoJ.etlon ul.' the work In accordance wIt)r the apecii`ted nchodul.e. It will be nocow;ary that flat; Liddor anti ;l'y the Oamer, of him tability to comp.Loto the work within Ghc stlpu- la'tod time . In this conneot,Lon, attention is calla(l to thu provioLona of the attached Ucneral CeriaftionE1 relative to dolays tntd car.bensJ.onn of time A.MII"1'ANCr AND T11;J1;CTION 01" DIDS, Tho Owner rouerven tho z1L;trt to aer:apt tho '-ir;1-~ whi0 hr 'i,n Lta ,dud menl :to the lowc ob and bout bid, to award the con{;raat oy sectional to roject any and all, bida anil Co waive Ivreoi.laritics and. •inPov-- malities in any bid thut to aubmittod. DJ.do raco:lved aftar npecii':ted time of cloning will be returned unopened. Award of contract may be contingent upon authorilNation oP the financing for the utility expannl rm program by tho quid.1- fJ_ed e.loctorato of the City of Denton, fflu at,. TMIPOIMr1'I01f TO Dli; r:)lfJ3NI1J.TED WITH PROPOf3A1,. Hach bidder ahal.l. aubmit with bin proponal tide name of manufirctrerYand the typo or modo.l. of each principal Ltoir: of equipment or material )ac proposon to :Curnirh, lie shall also nubmit thuri:- with drawings and doscrilrtive matter which will ahow 6onoral dimenalonn, principleotopcrution and the muLevialm i'rom which the parts are made. Any bid not )laving nufficiont deucriptiva matter to d.encribo nccuratol.y tho cquip- ment or materluls bid upon, will be rejocted as Irregular. The above drawtnga submitted by the successful bicdor will be retained by the Owner. Any material rtopartuve from these drawings as aubmittud will not be permlttr:d wf.l,},out written permission rrosn the. Ownov, Verbal statements mode by the bidder at any time roirrarding quality, quantity or arrangement of equipment will. not bo considered, If alternate equipment or material::: are indiuatad in the Proponal, il; shall bo undoratood that the Owner will have the option of ar,lr;cting any one of the alternubcra so indicated and ouch selection shall not be a cause for extra com- penoution o~ oxbonalon oV time. I.OUA1 ,12NDII I' I(3. If the work includes :t'iel.d construction, I'urnishirg, Pftld Inbor, or farniohing of field nuperviijion, each bidder shall visit the site of the work and thoroughly inform himoolf rrlative to cor,ctrucl;ion hazarda and procetluro, :Labor, and O.J. other colulitiono and facitors, local and othcrwiae, which would affect the prosecution and corrgal.etion of the work and the cost neceasary for maintenance of uninterrupted operation the availaoility and cost of labor, and facilit:l.en for transportation, handling and storage of materlalcl and equipment. (DENTON) '1PUll - 3725) 12.0963 113 -3 la must be underutood and voreed that all ouch ractoru huyu been propor.l.y inves- tif;ated and conaidcrad in the propaMMon of every propoaal aubmittea, no there: will be no aubocquonu financial adjustment, to any nontion t awarded thercundcr, whJch J.rr bne:ed on tho lack of such prior information or ita affect or the corn of the work, DID PI;:CGI U. vropoaalo which contain a .lwrga sum bid prluo J'or a combination of oqu Lplnolll; i. tome or erection work Itemo nhal.l. ulso i.nr.lurh,, an individual. bid pvIco for each item included in the combination. 111cldcro who are bidding the furninhi.nti of oquii>ment or mai,errials for which a noparate price for creation of the equipment or mato.ri ul to shown on the Propoual form uhal.l aloo bid u aeparate price for the eroetion work, 170 ND. The Contxactov to whom the work is awaardcd shall furnish a performance bond to the City of Denton, Toxau In an amount equal to 100 per cent of` he contract, amount. The goat of blip, bond shall be included in the bid price. The bond ahal.l be executed on the forma providod, copleo of which nee attached horoto, and bignea by a surety company authorized to do buainona in the Stato of 'i'cxao and acceptable us auroty to the Owner, With the bona shall be filed copies of a "Power of Attorney", cerbitied to incl.udo Go elate of the bond, (lllsN', 0) TEXAS 3735) nog6;3 1W, PROPOSAL '10 THE CI'T'Y 011' DP!,N ON, TJ-X ' Gentlemen g orc Tho underaigned hereby proposes to furnish and erect ono nominally rated 50 b per hr steam generator unit complete as specified herein at the City's electric generating station aitu for the follow- ing firm lump sum price. /~/if/~ ~1;t/oh~G~f; ,Si X j'~-' - Til~ci~,q.l/,/J , % c t~ n ~./c!,v~.lt"~-v ,GFrs/j . 5,11 Price in Words Dated at~-•--~ this 1V' day of - & , 19611 . By T'Itle .S/M ler-1-,4„ ,y Duainess Addreno of Bidder 9,00 ~iJpiynnl ~1Jr~. ,✓/1ty dd K Ie State of Incorporation Address of Principal Office s 4114,01.-fa V f~d~ /✓~*J,~ ~2.r 14,0e ~ C'lad',<a /7!'76 /sJl~~c/fr ~c".X, fqf(• 4~ I /l vlF: 11/elf' 1 ,`mot r-/ooe-4i.A-4.4 V'!~v l~lir'r" /o7-Z ~r ~,rl~, ~rr l 1C~ I ! 20.41 , { DMT01i, TMAS - 3725 ) (STEAM CIENMATOR - M-34A) PF-1 1 U-XP1 j T DATA. Each bidder ohall 6'~medSZ:lo iwninh the following c]ALa dcocrib iador a Ilamo~- ing the steam generator unit he proposes to furnish, , Aftor award of conL•rautp thy, Con. tractor sholl furnish ravieud . aquipment data pages which will show the data applicable to tho equipment an finally pu:rrhafjed. Revisions shall, be made only with , the written approval of the Engl- noer, 'Me data listed herein is atatod for definitive purpouee and for the convenience of the Engineer. The data listed herein shall not relieve tho Contractor of any responsibility for meeting the , requiroments of the do`oailed specifications. , Notet Write entries boldly with black ink or typo ontries using , carbon back or ozalid :ribbon. Do not use ball point pens or blue ink, . FURNACE AND BOILER . Typo and arrangement of firing. oquipment 60AI-7" 41441 1~,0A1Z0,,V7,41. AQ4,I.tSQS Design pressure, psi.' /.J 74 Total effective heating surface, sq ft . Boiler //O . Furnace MIRS • 30 Primary superheater Secondary superheater, D U Economizer Regenerative air heater _ ~/,_(0 00 . {DENTOllo TEXAS - 3725 } ((STEAM o ll on - M-34A) ..1 '[lidder'rs I~nme , Total weight complete (explain) Die V~- IJater to fill boiler, water walls ,`Po Operati.n Levc7. I'o~ ]f^; utfc Tait and economizes l17Nor.I'7" /a'a<,,%rndrar - - ID and thickness of steam drum overall length of steam churn ONd'Cx)" Croc/S~~/OR r'Ltp A'I748~✓A Manufacturer, type) number and ' DI✓t°~l ~I " /7~ Gt/~1 size of drum safety valves y'~' Manufacturer) type, number and ~ riilo ~~l) 3G°T.ti 2" yq,p~d.4 y #'OV-9/ size of blowdown valves Tubes in furnaco Size Material G'Ati'BO~J .✓rT~rEL Number _ ~lO Pubes in boiler go q' Size ry, material 7G'/,~~BonJ Number 116 2 „ YID~otO?Y Gauge ,lass, manufacturer and type.eW r~vlLc r: y"Qour/L) /7 Number and size of inspection ,,Sr,pc~eara'„l. /B"x/4," doors ,Duce ¢ 2d- x 2 4~• ,f?ox' •TTva~~'o /~~+iNi ~!M Description of caring construction, Number of platens in furnace SUPNSIMATER Primary Secondary Type of suporheater _re.A/ ~y'ilG ED T~f3~S Number of steam passes e DMf'i'oNo 2T)CAS - 3725 iTPAR an3F. Ton - M-34A IM-2 CaMB~-Sli-~r.•,~ Iwo, ~t • BiT& 1 n "tdemc Primary Secondnry+ AIerheALor Superheater Niunber of tube rowa . tvwr W'PerP ~,~,p~• X / rP `I Size of tubes Material of tubes Size of headers 4AIP Material of Headers 4s /rR A S.'NJ, L coo SUPERHTR'.AT UU4PrQ A'B=- C014TROL M' - i Type of control . 7`1---R6 te44 <;'6 Operating range, effective Manufacturer of spray valves ,9iL'~ ML rrr~ C'a, a Manufacturer of control drives ~'//_rrr2 ECONOMIZER Number of food water passes Size of tubes v; Mntorial of tubes , REGEN~ E~ VlP AIR IIEAT Manufacturer of air heater /,Q ~erN~~ r/ k'o,~~'.✓ Type and size of air heater / Dimensions of air heater ,Q~- NiyN K /7-7 nc'x % %Lra"R Weight of heat transfer material, lb . a00 L05 2G; 7G00 Gds Speed of rotor, rpm /077 Size and. type of main bearing 7"~JRVs 1' Make and type of speed reducer (DENTON, TEXAS - 3725 STPA i GWRATOR - M- 34A ED-3 , 1~lrlrlor's Name a~ Gt/rsTin/~Nn~s~ Make and type of drive motor , Size and speed of drive motor 7 r / 7 5d ~p/~ ~TIiTNO EQUxI3MJ]t1'1' , Number of burners Manufacturer and type of burner „e-E. Ndic'/Zd~Ti~~ Tuel gas pressure required at each ' burner, psi maximum ; /9 p6l /-L,,t (o / k)4,,1V4'- Fuel oil pressure required at each burner, psi 400 tosl ~Se 4,11 A?/),V ~y Manufacturer and typo of flame CdM~3J8Tio,✓ 7=N4~.c/ra~Bi~4 detectors BOW CONT:iOL SYBTEf , Manufacturer of system L~l ~C esod / D .STd " • Typo of logic; Tom c Make and type of Auxiliary reJ.ays ~ • t'i✓r ,1e~ 4 ~`~`'TC'IG v Timo delay rolaye Durner fuel valves 044) /7 4,14 Gft-'Al ?-A~04 Air register operators (v 4 Limit switches , A1rrw")1j1 Acme Dimensions of equipment enclosures h4~ti Dimensions of control patrol. AP Oa PZr 7-404,14 W 40.0 04 Se- P space required ' G'vs'roovt,e.< e~2ee, 'i,e Logic power supply require- ment, watts krdam 111.4 >r'.:.- Is shielded cable required between ; //D `4117',11 the enclosure at each burner and .G,~til.✓G:.E' G~~9BL the main burner control cabinet , aff (DLN`i'ON, TEXAS - 3725 ED-4 (STEAM d1 NCRATOR - M- 34A ) • Didder'n Name FORCED D[Z/1M IRAN Manufacturer's name 'T'ype and size %rO )R4,Cr Speed, operating, rpm / p ,gyp e a Diameter of wheel, in, , ~j H With 115 E air Test block, shaft hp Vest block, cfYm ~Z40 0e) Test block, static pressure in, fi2O Noise level, maximum db and cor. , . 9446 Cd e,3y'GPs" Wiroeo S~tesc r+,~ y respor',Tng frequency, facing fan inl' to at 50, distance '71d6 C 44,ecPT Wirov M1001 tip speed, fps Safe maximum speed, rpm f/ J~o Critical speed, rpm Distance between centors of, bearing Shaft diameter at hub, in, Shaft diameter at bearinge, in, X16 Weight of rotor, lb oa , Weight of fan complete, lb rl1~i.!IOo Overall dimensions Length Width Height /fig i DENTONo TEXAS - 3725 + ST FM UEN MTOR - M.34q; CdMl~e~sTln,✓ i✓ ~N e'Cin/ Ale, • Didder'c Name Type of bearing /~/N Cnoc trc~ B~Pa~Ix~ Ll,,V4-,< ,4 id/ - Bladea Nuinar 12 Matorial and ihiclc11e11h OS,S' 7=/ Shape •.~~WilRVty /~✓ca,~~,✓r-•!~ ~/~,p~:olL + Inertia of Wheel and shaft, WR2 24 /Oh LpFT 2 GAS AND AIR DUCTS Total weight of gas and air ducts, . lb • q~~ or>n LBS 'T'hickness of duct plate, in, Manufacturer of insulating - material ~E,n'/~9 rcQY A/✓U-14 770An 'i'ypc of cxpnttoian jointa eCLLcvi,I 7y,pF 61171'nI ~r7Z'14 Doacription of duct casing construction and extent of shoji u insulation application „U5"a'E'i H~.U f~lungi,j e+,y / le- 7- /N~rJ4 4Tion1 Alezo ~r STACK + Diameter and height, ft err /V/p.1 Plate thicknoss~ in. ",g,~p G~a~rc~,✓ ~`"r~r-/. I30,TLER SETTING. Wall construction , employed e deacription of , typo and thickness of insulation , in all areas of the boiler and , furnace. ~i✓,~r~1471'iod DIZTON j TEXAS - 3725 STEAM ClmmRATOEi - M-34A3 1D-6 ~'aMdv,~ r•/ON ~N~~ /n/rC~~n/ /NG', nidder Namo ASPIRATING Alai I;L'QUXR M-a s Pressure, psi 6'C~ mss/ Volumo, OEM (momentary) , While replacing an observa- tion window gl.aaa Other EAT) UN AIR ~~UMMWs To inspection windows To burner pilots Maros ; YD fan motor Eli Seed Low eed Manufacturer 14 L C t~'?A/4 G A)e, 'S • Type /✓rMA Sizo, hp / D c? a 4 6"0 Speed, rpm. / ? d n G o . Voltage o oa D n e , Current, amperes Starting Locked rotor Full load , . weight, 1b / 2L d D O / h D a ; D114TON TEXAS - 37,15 STEAM f3MMMTOR - M-34A) ED-7 9ldder'a Name Regenerative air heater drive motor ' Manufacturer , Type Size, hp ' Speed, rpm ' 22x1440 voltage ' Current) amperes ' Starting ' Looked rotor pal load ' /9d - Weight, lb Regener Live air heater oil pump motor, ' Manufacturer • 7"r'~/ ~ ''r• ~0=,~~°' Dory Type ' I size, hp e" o Speed, rpm ' voltage Current) amperes ' 11 Starting ' Looked rotor i yal load ' Weight, lb ' . DFN`m, TExAs - 3725 Bp-8 STF M 6ENMU 0R . M-34A~ . I , r . G7oM,flvs7'/o.t/ G~"n/C/~1/C~'.Q/:✓ /nlO, • Biddar'a Name Itogonerative air hector cleanor motor , Type Size, hp Speed, rpm ~7 D Voltage 2~s~¢4Z4 Current, amperes Starting Locked rotor to ~ ¢ /s, Z 1'ul.l load A ¢ Weight, lb 0-1 a W 1 f f f 1 f f a 'DIO 'ONO TEXAS - 3725 ) f GTPM O ATOR - M-34A) , ~b-g 1T,' MMNCE DATA. Each bidder , G~vM d 'llon/ L"N~in/CC,C~~nlC /A/C, shall furnish the following data Bidders Name on tho performance of the steam generator he proposes to furnish. , Porformanco shall be guaranteed. Aftor award of cantraot, tho Con. tractor shall furnish revised per-. formance data gages which will short the data applicable to the PREDICTED PERFORMANCE ONLY equipment as finally purchased. Tho only porionnonao quarantood by Revisions shall be made only with Combustion Enginooring Inc, is the written approval of the Engi- stated on the Guaranteo Pogn of the ncor. Company's PronosaL l The data listed horain shall not , relieve the Contractor of any , responsibility for meeting the requirements of the detailed apociv ficatione. Note; Write entries boldly with black ink or type entries using carbon back or oza,lid ribbon, Do not use ball point pens or blue ink. Natural Oae Nol Oil, Fuel Steam flow, lb per hr x 1,000 Superheater outlet 265 530 590 530 Pressures, M , MOO Superheater outlet I-e4 1-51e 1373 -153,F nrum pressure Economizer inlet Q) r , a, Burner fuel pressure 40 Temperatures F /g l Feed water to economizer , 3'r0 445 455 4115 Food water from economizer , - Superheater outlet steam 955 955 955 Air to I'D fans (6o% RII) 80 80 80 80 , DENT'ON; TEXAS - 37'25 STF M OMMATOR - M-34A; PD-1 GoM o ~n/n/tx~.+2lN~', /Nc, Bidderls Name Natural GaU N'uel. Oil, FLIel Steam flow, lb per hr x 1,000 265 530 590 530 Air to reganerative air hcat(;>, Ya gv ye, eo Air from regenerative air heater a ,4'7,f Ssr6~ Ave air in•Igos out (Corr) regenerative air heater /,d7 42 /Y 7 /77 -Air to burners Gas leaving furnace Orr) / 'lion P'~d' 0 x/20 Gas leaving boiler (IM) LI- /D 720 Gas leaving re enerAstive air heater (unaorr ISa ~on /~,f0 Goo leaving regenerative uir heater (Corr) 2d~d 2 J Air I'ri.ction Tosses, in, 1120 Burner and wind box Regenerative air heater ,-,/,9 r., I)ompera, Venturi, air ducts, d1, inlet boxes, rainhooda , © ge) /s ue, A "X Ci, cJr Total air friction loss IL,. Gas Iirietion Tosses, in. f0 .Furnace, boiler, superheater, and economizer , ,Za Uv ¢,/c~ Regenerative sir heater , Dampers and gas ducts O. 0 d~ ~o Stock , ell Of Or o oa CL y~r Total gas friction losses ~ gO PREDICTED PERl'C'1MANCE ONLY Tho only po;formoncc yuuranteod by Combustlon Englnoaii.,g, Inc, to stated on tho Guarantoo Page of tho DWMN, TEXAS » 3725 Company's PropoeoL STEAM OMMATOR » M-34A~ PD-2 13iddcr's Name Natural Gan Fuc1 Oil. file]. Steam flow, lb per hr x 1,000 265 530 590 530 Total Na and Air Pr1ction Lost, in. IIlelo 2410 /7, is heat Balance, Excess air* 10 8 6 3.2 ~ Dry gas loss A 4Ae7 JI, j7 24 Loss due to 12 and 120 in fuel 42. 1049 10,70 6o rj 7 Loss due to moisture in air Dl D,? D, /O Q,// Loss due to unburned combustibles Q n 0 Loss duo to radiation 0~✓rG~ 02~ D,?~ a-2~ Unaccounted losses ~NfeX S' rCE,f9,ue,4) /~ac f G° /0,00 Total heat loss Efficiancy A& 4f¢'14 &IT C?.L' e' N Q,uantitioa ~Flue gas leaving economizer lb/hr x 1000 j2 9 S•S/ 1•lue gas leaving regenerative air . heaters (including leakage) lb/hr x 1000 A?2w1dD yd Air entering air i. r ~ generative heater lb/hr x 1000. 216 6 0 lad 7 Air leaving air regenerative heater lb/hr x 1000 Regenerative air heater leakage lb/hr x 1000. .3~ Fual input higher , hooting value KBtu/hr 4~Uoo Performance data shall be based on the exavan air indicated. PREDICT 11,13 PERFORMANCE ONLY The only porlormonca guoranlood by Coinbuttion Enginooting, Ino, is (DMUON, mRU8 - 3725 } Mated on the Cluarantee Page of the STEJV4 CIUMATOR - M.34A) Compaay's PtoposaL PD-3 ~~Aidder's Name 4 ",4v ` l~ F"vr Natural Gua Fuel. Oil Fuel Steam 8014, lb per hr x 1,000 265 530 590 530 Heat in combuution vir , above 80 F (Imb.l.ent KBtu/ltr ~ r do,, e S ~~~du float lose due to , H2 and H2O KBtu/hr 5` G¢. / ~a 3~, ~aa Heob loan due to un- ' burned combustibles ntu/hr D p n O Heat loss due to radiation KBtu/hr r v / boo Heat available to furnace K$tu/hr Heat release KBtu/hr/ou ft 26,E 2~/, 2~' da Furnace cooling factor KBtu/hr/sq ft D, Forced bra ft Fan Air inlet temperature ; C4, 80 80 80 80 Air flow t r.~ 1b/hr d17 ~~Peo Air flow cf4n 127J~0 Fan system resistance in. H2O 17o4 Fan static preasure in. 1120 , Static efficiency % Q2, Posrar required hp , ran speed rpm . ~p dd /e- tlJ R113cel7.aneous Data , Furnaco volume ou ft ass EP118 sq ft ¢i Ly State any limitations applicable to operation at the peaking capacity rating ~STLIM DF .TI~UN - PREDICTED PERFORMANCE MY E ) XAB 3725 Tho only perlormanve Quarantood b GM ATOR M-34A , Combustion Englneell.., Inc. 4 sttited on the Ouarante* Pape of the Company's Proposal CONI ACT AGRI1,6tt;N'P "ITS CONTRACT AG1115`a;Ng1s made and entered into t;h:l,s 30th day oS' April., 19671- y na botween the CITY Or DEMON, Pcti°Iy oi' the N"ixet fart and hereinafter called the "Owner", and COM13USTION tINGINFLRING, INC. a Delaware corporation with its principal offico In New Yorit New York, Party of the .3eeond Part mid hereinafter called the "Contractor", WI'.I'NLSSET t: THAT I111LRL speci f1, the owner has caused to be propar()d, in aecordanc e with law, l.cab,ona, plans and other contract documonts for the work as herein &pacified), and 1BIR , the said Contractor has submitted to the Owner a proposal in accordance with the Corms of this Contract Agreomenb; and IERMS, the Owners in the manner prescribed by law, has determined and declarod tho aforesaid Contractor to bo the loweat and best bilder fox, the said work and has duly awarded to the said Contractor a contract therefor, for the sum or sumsi named in the Contractor's proposal, a copy thereof being attached to alid made a part of this Cont.vact Agreement; NOW 111NIB RItL, in consideration of the compensation to be paid to the Contractor and of the mutuall, agreements herein contained, the parties to these presents have agreed and hereby agree, the Owner for itself rind itsitscoeseora, and the Contractor for itaolf, himself, or themselvoa, , his or their aucceasors and assigns, or ita, Ilia or Choir executors and administrators, as follows. ARTICLE; 1. J.'liat the Contractor shall. furnish and erect at the Cityta electric gonerating station site one steam generator unit oomplol;e as specified and required in accordance with l;hc proviai.ons of the contract documents, which are attachod and made a part heroof, and shall exreute and complete all work included in and covered by the Owner's official award of' this Contract Agreement to the said Contractor. ARTICLL 11. `1bat the Owner shall pay to the Contractor for the work and materwa embraced in this Contract; Agrcemo- nt, and the Contractor will accept as full. compensation therefor the sum of Nine Hundred 3ixty 11bousand Two Hundred Eighty-Bix Dollars ($9(OsS86.o0) for ill work covered by and :included in the contract award, designated t,); the fore- going Article 1; payment to be made in cash or its equivalent in 1;he manner provided in the specifications attached horat•o, DENTON, TMAS - 372 ~smwi GENERATOR - 14-34A~ ARTICLE III. That time of oompletion is of the esucnce of the Contract Agraement and that Lhe Contractor shall proceed with the specified work and uhall conform to the following schedule; All equipment shall be delivered and erectod on a schedule to permit continuous commercial operation of the steam generator by May 1, 1966, IN WITNESS WHEREOF,, the parties hereto have executed this Contract Agree- munt as of the day aW year first above written, CI'i'X OF DIMTON, TM M (Baal.) BY r1A Attest COMBUSTION PAGIMIt Wj INC. (Beal) Attest 'x' ~F h~!I,umurls°oirla~~ur,~Pr~rr~1l~14'~ ~ ~ ~F 3f• ~F Tho conLract is in correcL form according to law and is heroby approved, 1 / /sttorno for Otmur W DIVI'ON, TEXAS - 3725 SWAM OENERATIOR M-34A~ CA-2 HLACK & VEATCH 1500 MEADOW LAKE PARKWAY CONSULTING ENGINEERS P.O. 8OX NO 8406 KANSAS CITY 14, MISSOURI CHANGE ORDER CONTRACTOR Combustion Engincoring, Inc, CHANOE ORDER 0, 1 Windoo.r, Connecticut; DATE May 4, 1964 CONTRACT FOR Roam Generator SPECIrICATION NO. M-34A OWNER City of Donton, Texan TILE NO, M-34,1 PROJECT 60 MW Addition PROJECT No. 3725 The contract Is hereby changed as followal - ADO lars For modificaLi.ona to Lho abeam gonol'al;or in accor(lanoe wiL)j the -----y nummary below! 1. 'flee drum dooign pressure will be .1'j)0 pal, $,000,00 2. The boilor will be ratod 590,000 pounds per hour continuous du ;Y. 3. The air duct to the burnorn will be equipped with an air foil typo Venturi for monouring a:l.r flow. 4. Provisions will be Tnado in the boilor caning to provide j woathorproof attachment to Owner'a building, 5, Thu City mny select tho nrrc-igoment of forced draft fen and stack bout suited to thr• plane arrangement. 6, The boiler caning will be attaebed external to the buokateys in a omooth wall configuration. r. Insulation will be an apecified or an approved by the City, 6. Caning,; will match llobertaon goction 3 pnncling on building, 9• The control ayntnrn ('or burnora will ie a Bailey 'T'ypo 760, and an apavified. 10. Two main oido wall. nupport givdorn (ono otid reabinf{ In concrete and tho other arrangad for attaching to City'n co:lumna nL boiler front)) Logetlier with boiler bottom support; steel, 11. A drum end onel.oaure complato except for Column oupporbo and access aLai.rway for active and of clrtun, matching and flashing into boiler caning, 12. A crone walkway batwoon drum onda over top of boiler, and a suitable platform at inactive end of drum, All other items and conditions shall remain unchanged, , Approved for OLACK A VEATCH Not. (addition) (0890teo of lhle ardor 5000.00 Pravloun total addition deductlon) to contract. , . Net total (addition) (dertuoOtrr) to contract , . , . 5,005)000s00 Date jt Al :19 ~ti~ Original contract amount . . . . . . . . . . . . . . g6o,286,to -f- Net Contract Amount . . , , . . . , . , , . 965)286,oo (contractor) . w 4 By Date .._......If 9y Date..r_r.,,lf..... LS.,~ tl~- goer, ;3a'•IS' PERFORMANCE BONI) KNOW ALL MEN BY THESE PRESENTS that we, the undorsi(;nod COMBUSTION ENGINEERING) INC. of New York, New York, hereinafter roferred to ate "Contractor", and r•c v rcrnU z„5 v ti~r,~r ~.~ti,• v„~~ i, 4c.W 'lAK-11 I k sr. ±'r 1,1,~L, a corporation organized and existing under the laws of the State of p Ic~y_ ca~zeu~.uij~,,,~ and authorized to transact business in the Btate of 'T'exas, as Surety , are held and firmly bound unto the City of Denton, Texas, hereinafter referred to as "Owner", in the ponal sum of Nino Hundred Sixty Thousand Two Hundred Eighty-Six Dollavo ($960,286,00), lawful money of the United States of America, for the paymont of which sum, well and truly to be made to the Owner, we bind ourselves and our heirs, executors, administrators, successors, and assigns, Jointly and severally, by these prenentsi WHEREAS, on the 30th day of April, 1964) the Contractor entered into a written contract with the Owner for furnishing materials, supplies, and equipment not furnished by the Owner, construction tools, equipuent, rind plant, and the performance of all necessary labor, for and in connection with the construction of certain improvements designated, defined, and doscribod in the said contract and the conditions thereof, and in accord- ance with the contract drawings and specifications therefor; a copy of the said contract being attached hereto and made a parr, horcrof; and WHEIREAG', it was a condition of the Contract award by the Owner that thnsu prearints be executed by the Contractor and Surety; NOW '1'11E;M0,1PORM) if' the said Contractor shall, in all particulars, wall, duly, quid faithfully observe, perf'orys, and abide by each and every covenant, condition, and part of the said contract, and tho conditions, specifications, drawings, and other contract documents thereto attached or, by reference, made a part thereof', according to the true intent and mcaninl, in each case, than this obligation Shull be null and void; otherwise it shall remain in full force and effect, PROVIDED AviIRER, that if the Contractor shall fail to pay all gust claims and demands by, or in behalf of, any employee or other person, or any firm, association, or corporation, for labor performed or materials, supplies or equipment furnished, used or consumed by the Contractor or his, their or it,j subcontractor or subcontractors in the performance of the work, then the Surety will pay the full value of all such claims or demande in any total amount not exceeding the amount of this obligation, togethox with interest as provided by law, ( DEMPON) TEXAS - 3725 ) (STEAM GYRATOR - M•34A) PB-I M FEDERAL INSURANCE COMPANY ANNUAL 8'rArr1')MH,NT - Dec©mber 31, 1903 LIABILITIES ANl) ASSI;I'S S'UItlrl 18 r1'0 I101JOY110bDAW8 United Stritca Oovornmunt Ronda,,..... 6 64,000,116 Wound Prorahuns t17,6UH,4Ia Uniltil Slntca Otm.-mmeul H,wured New IfunaiuK Rondo , , , . . , . , . . . . lllv3douda 1'nynblo to l'ollcyholdorx,..., WU.HM lst,fUU,HI l State and Nlunlollrnl lluuds 411040,U0u 011taiauding LoMN" nnrl Olninre......... 'IA,0811,11ig U(Itur ]lon16.1.1.0 1 1 1.1.1.1 1 0,098,10U Dividend Payable U) Stockholders,..... 1,11III'M Vre{erred and Oilaraatood Stocks,...... 6,(100,1(111 Commit Stocks., . . , . , , 07,167,06`1 Tax", Liltmisas and Other ldnhllltlon.. , 0,HHU,HOo Capital Stook of Vigilant tnsuranuo Funds Muhl undor Ilulnsumneo Treaties, H'au,HHO Company, . I I I . . . . . I . . I . . I I 1817801400 Capital Stook of Oroat Northern Non-Admitted Itclnsurauoe,.,,. 7,1t0,116U ulUrnnoa Company.,. 0,161)160(1 TOTAL LSAnIMTIna........ 1510,7117,068 Capital Stock (07%tof The Colonial 1,110111RUr11rte0 omlrany of Atoorfen, 1,600,oI I Calrilul Stock........... , 18,1180,848 ToTALINVYa mxnTN 265 C, 0,814 Surplus 000o8U00 Cash . . . . U,060,0 a Unrealltod Appreciation of Icvoitmonts, ull,0118,010 11rorufuus not over 00 days duo, 8,818,811!! Ulher Aasotn....,..,,,. 0,761,067 Sunllr,un Tb l'iN.ruT.ruLI7Naa..., I-IU,77D,710 TOM, ADMIT-M) rutan7e, N470,487,808 TOT.lr . . . . . . lnvustmerM me vAlu d In uucordaocn with rogldromouts of tiro Nnllonal Asaocindon of Insuraacc Conitnieaionera, Iavoslmcnts valued at 40,401,100 nro deposited Mill goverament nuthorilfcs and trusice ns rcgnircrl by taw, A CU1lJt1 CT 8r1`A1'1,biI$NTt v Agri q Allomeyin fact 4'osm tbf (Y.d, r.r~l N,9040 (4061) rra~a`sa~„r AckilOWlcdgment for A111104, l 1n4trtiment STA•rfi oil COMMT10UP aa,l 11S1V1)11GI"t COUNTY 011 110TY0111) . 110r1L1t'].k4url nltttl, contr On 1111+ .,.;''Ut'ltd;,y of I 'l before me pcrsonnlly ..•.who, ltcinn by we duly sworn, did deposo And any shut he Is Ali Allorooll-111-Fact of 111C 1111D RAL SNSUIIANCid COMPANY, Aod known the corpotatc Sea) thcRrnfl that theacnl affixed to said nnnuxed Itissm• trtcut Is such cori;arntc acal, And was thereto alfixed by uwhority of the Powcr of Anorncy of enld Cornpnoy, of Mitch A Certified Copy is hereto nunchcd, And that he Sinned sold Inaunmcnt tts An AtIotucy,111•1lact of said Comptn,y by i1kc Authority. Achnimfedged mtd'Sworn to before um 011 Jim 410M edrourt uOntou. tl+cdr+N rv 0111d TOO (if Officv*) rorim tao9aM HOW1.0 nl UWA, 0071 IWAP Ceruticd Grpr of POWER OF ATFORNEY 3Kailul A inch 110 111pn' vfPili Ill, 'Clint the FEDERAL INHURANCJ: COMPANY, 00 John Street, Now York, Now York, it Now Joruny Corporation, has constituted nod appointed, And doom huruby connlltuto and appoint at to fale"S 49 04 mtertom WA lie it IMIMr11w 40 4 ?APIIf wp cpWp t » w r w ont!h Its true and Inwfnl ALtornuyIn-h'act W oxecuto wmt+ ww~wuwwM+».w..ar tinder such doogroolion In ILA name And to 1111 x Its corporate seal to fill(] dollver for And on Its 60holf fill suroty thereon or other- IYIFe h<111dN on hUhldf of MDW=1*4 1`9 1* WOO"$ OWUMO" COMMON =10"Nm ovat4wip Iwo In cotmocttou with bid!', prolutsAln or eMntracts tc'uv with the United 8tnteo of Aniodea, any ,SLAto or 1 *111,104) nubdivlelim thuroof ur any;porson, arm or corporation. And the oxedulion of'ouoh bond or obligation by suoh Attornflye•in-I'AOtin Milo Comphny'a Amato rend on Its hehulf As 8uroty thereon or othorwlso, under Its corpornto snap Lt purntanee of the Authority horeby conforred 4111111, upon dolivory thoroofI be valid and binding upon thin Computlyr ll ItIllurtlll TU110 cii(, tho snid 1-110A>IMRAls 1NSURANOW1 COMPANY 1111n, purimAnt to Ida fiy.f;nws, unused OWAO .y31111PAA to be nl ncd by Its.AssiotpnI, Vicu YmIdont nut) Asn Lunt MVVrelary Nnd ILA corpornto Hold to bm WOO Affixed this SON111 day of 1 9fi~ F'M1 )HRAL INSURANUN COMPANY FfY (t~. + Pret erlok t„ 0ordnor 111 ~sRl4tllitl 1tfo6Nr'csGlenl DAldol I'% flalidulph HTATH 011' NEW 1'(?Jtl( AoslelAStf Neereturtl os, t County of Now York Oil title tN►U, tiny of MxltiAlOr 111 61 hrdorp me pmllionolly Polito ItAniol P. 10111(1011111, to mo known and I) yy nto known to be Avtiiitnot Seurvtary or thu p'i;irKRAL 1N'S'0HANchl COMPANY, thu cor- IIrtlrntluti dentrihm In And which oxuuuled tho forcgoing Puwur of Attorney Antl thu said 11n111o1 110, I(mirlolt)h (Whitt by 1110 dill y nwoln, did depo4c And NAY that hu remidms in thu Cityy !,f New York, in the Hlnto of Now York; that Ito lit AA41s ant ,Werotary of tho F'F111MAIAI, INHUILANChI 1,CA1PANY avid Hnows tho corpornto VIA thereof; lhrlL tau rival Al isod to tiro foroltoing Yowor of Attorney Is lun'h morporntu Aetl,old welt thoroto nflixed by Author. Ity of tho lly•LAwn of said Comp.uiy And that he Al nod Ailhl I1owur of Attorney as Asslslant Nocrolary of Auld Cum mny by 11ko nuthorityi that he 111 ucrlunintod with F'rorlcrlek G. (UnldAUr and knows 111111 to be Assletant Vice 111-e81drInt of ottld comtnny, and flint (110 44mature of AAId M'iodotick c. (larrner nolmoribed to stdd Power of Attorney is lA the gvnu~no handwriting of snld h'rudoriek CJ, Uerdn v ttnd wits (boroto sul,seribod by Authority of said fly-LnwA And hl dopohont'n prunaitcu. A6knuwfud •4r1 and IStuorn to GoJora me on Re (11116 above written. J, OTA mom * AV n t ,%G MARION J. WORAM Nolnrlll'A611o r ' NOTARY PUBLIC, Mato of Now York ~'•r.,l+••"•~{0 No, 244AA79rm QJ: ~ W (lunlitled In Kingn Uourtty 51 y (It mrofsyln I.Nplren hfYor arch po`It1 Co Perm 1iCbSl' llicv, ~.d2) 011241 ONO CITY AND COUNTY OF NNW YOItKI rr 1, tho underwikned, Aegixlunt Socrotory of tho h'UDERAL INSUItANCH COMPANY, do horeby cortlfy that tho following Is n truo oxcorlst from lhn Dy.I,awa of the Maki Cempnny on adoplNd by IN ]bard of Ilircetorw on hfurch it, ma will umasdotl 8clUmbor Id, IMP and that thin By-Law In in fall fr,rco till oRoct, "A$TICf.I, X1X, MXMCUTION Oh' POLICIhJki, BUNUtI, PIT01. Scetlwn 9, All bunih, undur(nldngw, contrtsato, poworu of ollornoy and uthor inntrumenta othor than no ubovo for atul on bolurlf of tho Cuaspmty wldch It of nutltorixed by Inw or Ito olusrtor to oxeeuto, may and n}utll be oxccutad In tho anmo ,u;d on behalf of tho Company elthur (1) by Ito Pruwldont, or a Vlco Pronidont, or an Anwlwt nt Vlco I'rouldanb, jointly with Ila Bmetary, or on Molakant Hoq;otpTy, ulttiNt',.tliol(;.reat ucUvg ayulgquttunu--except khptl (a) any odleor or omcorn, Agont or agontw, attornordsl.faot'or altorneyx•Ia-foot, dmlg'autod Jn 110mviotion gt,tlso Ilourd of Dlroatom trr,Nxeoutlve Cornmltt"0 wloptmd elther Wore oc rfter, tho making of thib, fly-Laws or bs any power of attorti WexeOutod KN Irrovlded for In IlLU xoctlon, may exoouto In tho manner pronorlbod' Ih belch' Pexdlutloiv u1 poke bf 'attornoy or aathor)ty auy wuch bond, undurttlking or other obllgAtlon which Ito gt' they whAll bo empowered to O><t'nut0 by pN41t gptusl,ukl0n ur power of rLlQxnoy qr qukhodrtstlon;'r , , , And 't fu>'ther'ebtdifq thNL I have Cbmp:rrgd'thd'YOreJfoih;l tlfpy o! the 11tlSVI+11t. Ob" ATICOUNINY with thu orlghunl thoroof nod the nanio Ix a correct m4 truo copy of thb whole of wnid orlkloal )solver of Attornoy and that Meld Power of.Attornur. has,nbt hm rovok(xt And I further cortlfy that wild h'h))PIRAL INYURANCAI COMPANY In duly Iltanued to trunnout (ld+Jlty and wuroty hueinoew hi ouch of Lho Stnton of thu (Jailed Math of Amorlea, Puerto Lilco, and Wµth of the Pruvhletu;01 the jprainlot of chmada with tho exccpliau of 1'rlnco J.;dwoed Iwloud; mod in Alkq ttb1Y.-4tcCtsrc+l to become wolo nuroty oil bo,,dii, undertoWngn, oto,, pormittud or roqulved by 4110 IntVll of the Tyuitw StQteri, Ulvdtl uudnr }liy hnful nild Lho ncal of mild Conpmny al Now Yurlt, N, Y., Utln day ''of ArlN~ilrwtE Nnurotry ~`-t PJtZI UNUI3I~E IQNlill t1UIt}I;!!Y, for va3.uo rcce,lvt:d, hor0b,y 14V'000 that no extension of time, cllange i.n) addition to, or other modificacLton of the Lermc at' the contract or work to bo porfoivsod thoreunder, or of Lho npooificationo or other contract elocumont, ohall in any way affoot iLa Obligation on tllio bond and Lim Burety dooas hereby waive notice of any much extenoion or Lilac) change, addi.ti.on, or modification. IN 1110,SI'IAIONY MMMEOF, the Contractor bar; horewzLo uuL hiss hand and the SureLy ))au cagoecl theoe prooentu to be exorated in its name and ito corporate rscal. to bo affi.xod by i.to attorney-in-:fact therounto duly w thorizod no to do, at an thin thc (lay of' __00MBUILITION ENOmm"flING4 INC. (Ct,AL) P r. C-IT0 6C KV ..~1SLfSLI. !!~~(i;;.Alf[ 1»- "~Yd..C1:1.......__..... (hU1l ETY GOMI'ANY C.// ~ r ~Ai;torno,y .I.n-1~'act) uti:; tutsr.-a+sn,r qr 01 (Accompany thin bond w 1.th avUtornoy-in-facts, authority i'rom the Curacy Company cortifiod to incl.uac the dale of tlru hohd. ) MWON, Il'fi7SAG - V25 STEAM CENVIRATOR - M-314A) 03-a OENI';RAL COND'CTION& OC-:L. CONTIMCT DOCUI4 N'f(i, It in understood and ra(.4rucd that the Adver., t. numant) InotrucLiono t( bicl(loru, Proposol) Lkiuipmont Data, Contract Agrromont, Farformuncc Bond) General Conditions, Upocificutions, Ilann, Addenda, and Change orders lenuad by the Owner or the Ong,inoer and npucs Vieationa and engineering data furnished by tho Contractor and approved by the owner, are each included in this contract an? the work ohall be clone in accordance therewith. GC-2. DITHI:TIONS. Words) phraueo, or othee exproonione usod. In theme r.ontrr ct documents OKI have mruninqu no followrs; 1.. "Contract" contract documents" shall incl.UW the: itomn enumerated above-, under CONTIVCT DOCUMI NTt1. 2. 1'0-ner" ahul.l moan the City of Denton, Toxan named and der3lg- noted in the Contract; Agreement ua "Party of the first; Dart", acting through its Board of Public 4lorka and City Council turd their duly authorized ogonto. All notieoa, lattero and othor cotnnnallicration cl.iroVed to tho Owncr ohal.l be oddroaacrl and dolivoved to City ]tell., Donlon, Toxao. "Contractor" or "rnnnuracturor" cha,l.l mean the corporation, uompuny, purtnorohip, firm or individual, nomad and dealenatell in the Contract Agreement no the "party of the Second Part", who ha,. Untorod into tljiti contract fo.v the porformonco of the, wort; covered thereby, and itn, lolls, or 11101.1, duly authorize(I rop:rcnen tativcs . tr. "lluhcuntracLor" sha1.1. lnuan ontl rofor on'i:y to a ourpoi"ation, purtraort hip, or inclivi gala]. huving3 ra (11rect; contract wl t►s t io Cuntraotov for porformino work c'overod by them: contrach +1 ey- tllon:'.o . "Nn(,inoar" Shull msun the rlxw of Block & Veatch, ConsuiUng, Nnhincern, 1500 Meadow Lahr. Parkway, mulling address P, o. Boy. 61105, Knnooo City, Mlosouri. GII:LII►) or w duly authoroud agpas, ouch ragonts acting; within tllo scope of the pnarticular dlltler, entrusted to them in each cute. "Data of contract", or equivalent wo:rd.t.+, ahall. rerun blur Itatt written in the f1rot parugraph of the Contract Aarcemont. Y. "Day" or "dayo", unlena horein otherwino orprcool.y WSW) rhnll. tt[oan a calondur clay or drays of twcrsty-four hovr'r, t;rach. Lt. "'i'hc work" shall mean the oriul.pmr;nt;, nuppl.ic'ta, materials;, lr.rbn', - rind oorviceo to be furninhcd under the contract and tho crrrryir;g, out of all dualoo and obtLyntiono impoood by the contract 60ev- ! IrientFS. (Dl';N'i`ON, UsU81) 1.,63 GC-1. "fl.unu'' or "draw:i uga" ahal..l, mean and inc:lu,lc a .l. (u) drawi.nr,s furnished by the Owner as a berairi f'or p2'op[,suls, (b) al.l. auppl.oinontary rawings Atrianhad by the Owner au and when required to make cloar, and to define in rrreaLor du.Lall., Lhe l.ritcnL of the contract pl•ana and specifluoti.ons, (e) drawings eubmittcd by the succconful. bidder with hin proposal and by tiro Contractor to the owner, when and as approved by the Engineer, and (d) drawings submitted by the Owner to the Conl;raetor during the progroas of the work as provided for herein, I.Q. Whenever in these contract documenta the wovda "nn ordered," "an dlvaoLed," "an voq,u,ired," "au permitted," %t+ allowed," or words or phrases of :Dike import are used, it shall bo understood Lhat the order, direction, requivement, pur7nita lon, or allowance of the Owner or Engineer 1.9 Intended only to the extent of Judging compliance with the terms of the contract; none of these terms ahall imply the Owner or the Bnglnser has any authority of or responsibility for supervision of the ContracLor's forces or construction operations, such supervision including sole rasponsibility therefor being strictly reaervod for the Contractor, 1..J.. Nilnil.arl.,y the words "approved," "reasonable, " "suitable, " If acceptable) " "properly," "sabisfactory," or words of like effort and import, unless otherwise, particu.l.ualy specified heroin, ahall. mown npproverl, roaaonable, sui.Lablo, acceptable, proper, or uuLinfactory in the judgnenl, of the Owner or E111,J.noer, Lo the extent provided in 11l0." above. I'd Whonovor nny sLetemont Is made in bho contract; doctunentrs oontraJ.nJ•rrg the expression "it is undorntood aria nbrreed," or an nxprosnion of l.J.ke import, such expression rnorens the mutual 'rnderAbandin;; and agreement of the parties executing the cor16 af;reement of which thoao Genoral. Conditions are a purl. GC-3Vr; MAL fl'PA'JTMEN'JY1 No'f 131NUING. It is underntood rind al;reed that the ~++ri t;, uta ,,•nn and Z,rw` ial.ono TT his agroement shall. supersedo all verbal statelucni,~a of any and every officiral. oz' other ropronentntivo of the owner, urrd verbal, ntat.emants shall not be effective or be consbrued as ©ntcrtri;, into, or f.'t,r7nJng u part of, or altoring thin contract In any way whatsoeve=r, CC -ll, [TJ'ANJ)A13D G1-j1Xfi1'ICA'f7ONJ. heforence to standard spocifiestions of any tschrii.ra.f. race el,y, organ~xatiola, or association, or to ooden of l.ocul or state auLhoritics, ahall mean -the latest standard, cod(a) specification, or tentntive nponifieation adopted and published tit the (Irate of taking bias) unl.rass specifically stated otherwise. ()(J- 5, EMCMION Ole CONTPACi' DOCUMLNBS', lour (b) Copies of the euntrar;L ,XncumenTa-w Uo praparor ,y~ iu >ng Weer, Copics of tngineoving data, apee:ital forma, or othor documents; furnished by ';he Contract=or, which are required to be Incorporated, in the contract ahall be supplied, 1.23060 (EQU Pl+fIIT & ERECTION) GC- ALL c:upLua will be nubmitted to the Contractor and Ulm t'untractor Kull exeeutu Cho Conxacb Agreement, insert executed copies of the roquircd bonds and submii ull copier to the Owner, The date of contract on the Contract: Agreement and bond l'orrnu shall be left blank for filling in by the 0wnor. The certi.ficaiml date or dubeu on the Power of Attorney document shall bu alno left blank for f;'Lli.ng In by the, Owner, Thu Ow;cc:r will execute all copies, insert the data of contract on the bonds and Power of Attorney, retain one copy, and forward one copy each to the, Contractor, Engineer and Surety Company. oc-G, ricon,j NA'J'lll AND INTENT OF SPECIFICATIONS AIM MANS, The rpocifica. tionn ari=l p izna are :intendeil to ntil+lilcmonl,, but nut•i;icunnurily dul;l.ic;; t; ;r,cl; other. Any work oxhibitod in Cho one and not in the other shall b(., cxneuGtA 1118t un If 1.0 had boon act VoKh in both, in order that the work bu complana according to the complete deol(;n uu decided and determined by the Engineer, Should anything, be omitted from Cho spoicificationu and plans which iu necessary for a clear understanding of the work, or should it appear that various instructions are in conflict, then the Contractor Shull secure written instructions from the Engineer before proceeding with the construction affected by ouch omissions or discrepancies. It is understood and agreed that the work shall be performed and completed according to the true spirit) meaning and latent of the contract, spocificationu and plane. When equipment or material furnished by tho Contractor cannot be installed as spucified or an ahown on the plans) the Contractor shall, without extra cost, to the Owner, make all modifications as required to properly Install the equip- ment or material. Such modifications shall be subject to the approval of the Ow►yer and the ji, tJginaur. L'c-Y , APF'IiOVA , ON' L'N(a;CNTiF;IIpNO ]Q1'1'A, Ehgiinoorin6 data shall be Submitted to his 1,1r,j nee( Tor ap~~rnva: covor.it~~r all equipment and fubrloated materials Co bc• fuV,zishod under Chia contract, 'rheas data shall include drawings uncl doncri,ptive Information in sufficient detail to show the kind, size, arrange- Mont and operation of component materia:'n and devices) the extornal connectionn, anchorages and supports required, performunce characteriaticu, and dimensions needed for installation and correlation with othor materials anchor equip- Mont, Data to be submitted shall include drawings as required to show essernti.al, details of any changou in design or construction proposod by the Contractor and all required wiring, and piping layouts, No work shall bo performed in connection with the fabrication or manufacture of materiula, equipment, devices, or items shown by any drawing thereof, nor shall any aeeesnory, appurtenance, or device not fabricated or manufactured by the Contractor or his subcontractor, be puvehloed until the drawing, or drawingo and data therefor have been approved, except at the Conbraotov's own risk and responsibility, Foul, (11) copiers of each drawing and unoouuary data shall bn nubmitted to Wt.- Engineer. 110161 (I;0jJ:1[14MT & E'RECTI:ON) 0r,.3 When the drawings and daLa are "c""ned marked "APPROW,'D" or "PEOI NED Foli DC£;'.1'111DU'1ION," additional copqea shall be submitto(I l;o I,111 Er)ginccr, The numh,. of additional, copiou will. be determi.nod by thcl Pn(,i.nocr buL will. nod, oxcoad cijIlt Wfien Llic dl'awinga and data are returrlod marked "APP11OV1'D All NUVED," tho chani~,es ehrrl..l. be mudo as noted thereon and corrected coplert uhel.l. lx: (submitted to Uic, 13ri(,inuer', The number of corrected copies will be deLcrminod by the Engineer buL will not exceed twelve (1P), Whom the drawings and data are roturned marked "MIPURNED F0£3 CORRECTION" the; corrocLio11S ";hall be made au noted thereon and as innLructed by the lkn,inler and (our. (1i) unrrccted copios shall be submlttod. ',(.'lie ?til,inuer' n rrv:iew c)f dravifn(;s and data nubmittad by Lhe Contractor will. be i'or, and will. eovor) only (,,mural, conforiledty Lo the speulfieations, and lixterncl, uonvuctlons rind <r,ri.u;nirnr> wldoh offoot tho plant arrangement, The Xn0i u our I a opproval of drawls(;,) v; Gnvncud marked "APPI"iOViPUP or "APPROVED AS NOT"D" w111 not counLituLe a bluaket approval, of al.l dimonsions, quantitieu, and det,all.a of the material., equipment, device, or item shown and does not relievo the Contraclsor from any rouponnibill.Ly for orroru or davintionH from tho contract requlremants. All. drawi.ngG and ritlta, aftor final. processing by Lho )-~rigineer, shall bocome a purl, of tho ooiiLract documentu and the work, materials, equiptaont, devices, or iUema, shown oil described thereby shall be in eonfoi7aity therewith wiloas otherwis!- required by tho Owner or the I)Mgineer, GC-8, TZfjAL ADDREBSES, Bolt" Lho businoua addreaa of the Contractor given in the bid or Propose upon wh:Loli thin contract is founded, and the ContraoLor'a office in tho vicinity of the work, are haroby dots (inatod at; 1;hu placers Lo which all nobicos, l.etl;uru, and oLhur commrnicuLicna to the Contructor may be "nailed or del.lvorud. The buuinouu uddreao of the 0wr,or appr:urlnr on £'a(;e (1C-1 1f) horoby dosl.(;tiutod au the pl.uuu to which all. notican, l.ol,toru, and other uunutilrrii.uabl,ons to Lhe Owner may bo mallod or delivered, Thr, dolivery by one parLy Lo Llic other parLy at an udda-una uo deslguaLod, or Ulu dopositln(i in any wAl.l. boy rc,gu:Larly maintained by (;tic pout office) of any notloc, 1CLtor, oil ,Ahcr communication addressed Lo such address, poota(,e prepaid, registered or cerLified mall., with return ruralpt, requested, shall bo duersad sufficiont service Lhoreof, and Llic datu of said surv.l,c;c strall bu tLe (YA oC such clcl.i,vory oil mailing. Zither party may change Lhe said acirh,r,us or uddrasses at any Lime by an instrument :in writing doelLvurod Lo t;ho I n(,1nc,?er and to I,hu other parlay, Nothirig horcin containud shall be doomed to pru.'.udo or rundor inoperative ttio sorvieu of any noti.ua, lel;ter, oil colmlrunicaLion upon either ;,aruy personally. GU-9, CONMUTOR B OFFICE All SITE OF 41OM (hula(; the pcrformancc of this eeutraet, t)iu Contractor rah ll~'mulrtLgiri ri suitable offlcc at or near the alto of Lho work which shall be Lho hoadquarLura of a roprouentutivo authorized to ircoiv(, drawings) instruotiona, or other communications or articlao from the owner or the Owner's agenUn) and any riuch communication givorn to the uald rupfaceniative, or delivered at the Contractor's officio at Lho cite of the work in his absence, shall be doomed to have been given to the Contractor. 1, ot.G1. (1!X),UI£14I', T & A-MECTION) GO-14 W-10, PATENTS. Royalties and feet, for and in ronnecLlon vRli pat:onts or patent .infringement; claims for rinterial0, arti,clen, _ilil~nrr,tsu(s, di~vicc0, oA° w1vilpment (au distinguishod from procaason) used J.n or ]'rrr [,he work, oht11.1 be :Lncl.uded in the contract amount and the Contractov nlitlll 110J,;I'y all. demands that may be made at any time for ouch; and hr, olmll be J:labl.e for any domagec or claims for patent infringement0, 1171(; Cr~ht:ractor' shall) of hi.o otrn cost and expense, defend any and all nuito or proccedint;o that rosy be :lnotitutcd at tiny dine againot; tire Owner for, 1111'r hiltenu:nL or• alleged I.nfringemont of any such patents involved in the work and, in ciio9 of an award of damages, the said Contractor nhal.l. pay ouch award, Final pnymont to -Elie Contractor by -the Owner will not be mane while, any ouch suit or el.ai.m remains unsettled, Ma Contractor, howevor, ohol.l not be liable for tite defenne of any ouit or other proceedingo, nor for the payment of' any drrmagcs or other coots in connect;Jon therewith, for the Jnfr,trigement or W.- l oged infringement of any patentud process required by the O111e1, In the design of the work to be clone under this contract or by Cho contract 0pcci- fica-Lions therefor. (1-G'-1-.l., TNDEPEND NT CONMACTOR, The relation o1' the Contractor to the Owner oball be. thaTt of an inrlepenaent Contractor, 00-12, RELATIONS WITH 07Th i3 CONTRACTOR% 'Tile Contractor shall. Cooperate with all, 011111 contractors ►a)to may re performing work in behalf of the Ovnor and worlunev who may be employed by the Owner, on any work in the vicinity of Elie work to be clone under thin contract, and lie shall oo conduct; his riporations an to interfere to the l.on8t posoible extent, with the work of' ouch eontractorr., or workmen, lie ohal.l promptly mako g=d, at his own ex- pens(, any injury or damage that may be r;ustaittod by other Contractoro or tumployeos of the Owner at leis hands, Any di.i'ferencc or conflict iihich may ar oe between tit(! Contractor and other contractorr3) or between the t;onti'actor and the workmen of the Owner, in regal,d to their woric 0ha1.1 be ad,junted and dotermined by the Engineer, if the work of the Contractor in delayed becau0( of any acts or om oniona of tiny other contractor or contractorn) Elio Contractor iihall. have no Claim agiainot the Owner on that atceoulrt othor than for an ox- tcnni0n of dine, 'rA1on two of more contractu tire boine cxocutrd 8t one time In ouch manner that work on one contract may interfere t11th that on another, the Engineer ahriLl decide which contractor shall ceaoo work and which i;1111_U continue, or whether the work on both Contracta ahal.l. pr(rl;rent,, at tllc nnmr tJ.rne, and in what manner. Whon the territory of one controet :Lo the ncrenearf or conven1.1,11t nlctoin of ticcesa i'or the tranoportatlon rw nlovemrlnt o1' mun, materlolo, or app-l.iaMeo required for the execution uC another c:ontruct, nuch 1W1v:11.et;oc of, accean or any other reasonab'Le pill v-Ll.obin trill be arranged by the tq j ricer for the contractor no deoirin(;) to the, oxLont and oinount, in the iulnner, and tit tho tilnc, ttliich may be reawntcb:ly necnoijary, f1C-13, hiL~.9iOU`3 Oh' OPERATION- '1910 (]0nt!1ACtc,r• 01181-1. gJ.vo to the 12;ngJ.neer full information in advance, t1:; to lift; pl.uno for carrying on any hart o!' the vork, 11' at ally tune ony part ()1' Lh, Corltractor10 plant or equipment or any of hi.n mothods Of executing the work appettr to the Engincer to be unnafe, inefficient, or inadequate to insuro the required quality or rote of progreao of the work, he may order the Contractor to incrotine or improve hick facilities or mrthods, 123060 (EQUIPMENT & i;lt19 =ION) UL' - 5 rind rho C1onLCactor alas,1 pr,)mht.ry witl, said: vr11cr1Jl twat nef Lhor Iomplianca wi.LI, ouch ordaro nor failure of Lha Xnginaur L,i Isnue ouch ~)rde~,n ah1t1:l relievo the Contractor from hilt ubl.lt,attoal to uacur~, the degree; of :.aa'ui;y, the quality of work, and lire rate of progrou'a; required by ibis traut. The Contractor alone nha.ll, be ree.ponnible for Lho nnfety, adequacy, alrld efficiunc,y of IcLn plant, equlimlelrc, and mothodn, Any plan or mot,hod of work nuggen Led by the Owner or 1;n;i neor to the Con- UvAcLor, bvJ, not upecit'icd or requ:irod, if' adopted or followed by the Con- tractor In whole or In hart, nhaal.l be uued at the rink and renponnibi.lity of the Coni,rar.tory and the Rngineer and the Owner will a,inume no renponl%:l- hill Ly therefor. The approval by the Owner or Engineer of any plan or lmotlrocl of work propocod by the Contractor uhal.l not relieve the Contractor of any rouponui.bil.ity thurofor, and such approval nhall 110L be considered an ran asnumption by the Owner or Engineer, or any officer, agent, or ompl.oyoc Lhoroof, of any risk or liability, and the Contractor shall have no claim under thin contract oil account of the failure or l,nefflclency of any plan or nothod no aapprovod. tiuch approval shall mean only that the Owner or i';nginuor hau no objection to the adoption or use by the Cop'tractor of such plan or method at the Con- tractor's own rink and reopo-ulbility, GC»114, AUPHORITY 010 TUO ENOwI !EM, To prevent delayn and dlsl,utbu, and to din- ccnlrago 1.14Li(,atiun, It in agreed i;y c?lo partien to thin contr&r!t that the Ent,,,! - neor ohal.l in all canoe. dotormine the aniountu and quantitlos ai the neveral kincla of work which are to be paid for under the contract and uhall, detarf1tne al] quantiortn in ra.l.ation 'to the work, 11 In tho opiniOll of the Contractor or Lhe Owner, a declnlon made by the E1nit- noor to riot in accordanuo with the wouni.ng and 1,nUnit if' the contrurt, i:fthur llazrt,y I11ay file w101 Ilse Ellgi.neor and the other party to Lhe contract, within thirty (30) dayu after revolpt of ,ho decision, a vrr.tLLon ob,JecLion to Lhe deci.nIoil, Gai,tl.tare iLo file, an objection within the al.lottod Limo wi.Tl bn nun.. nirlerod air acceptunc:n of I,he ]~n~,ineoi'n d0010.011 and the ductjj lon nhall bc,''lmc final_ and conc.-l.uuive. The 1!rIt"Lloor'!i deuinion and the fiat.ng of the written objection thcroto obai.i be a cond. 4;1 oll precedent W the right 'Lo requea;t arhi (,ration or Lo start acts, I, it1 court, It In Lhe Intent of tl"r3 a( re0lrlent- that there ofialltic no delay In the exocu- tion of tbo work, and the dec.inion of Lilo Ellgirtour all vulvlorecl nltall be promptly observed, OC-1j. LNG1Nli1!It1:NG J:NU11NC71ION, It in agreed by the (cntruutor that the fiiTloreby authorized to appoint or employ (ci.ther di.rar,t.ly Owno1' uha:ll be and or through the MIngineer) such inbpectorn au the Owner 1r Ay doem proper, to inapout the materials furnitilied and the work performed under this cont,rau,.) for cumpliance with the plane and spocificati.one therefor, 117ae Contractor ,hall furniElil all venriatlable aid and ansioLunce roqufrvd by the Bngi.neur, jr .innpectoru, for the propuf' 111cpaction and craminatlon of the work ai.ncl call i,aS'trt thel'eOf , i (,62! a(;l_ (>:,c .~uLlchl,rrl F/ 11111acrIoN) l Tho Contr'tkat.ov shall regard and obey the direction) ar,~I I tlstruct'ior,s of bh,<. h;nfeincerr Or inspector so appolrited, when the same nrr ~!or, -intent with bile obi it ations of this contract, :should the Contractor ot,jrf; . to any order ;iv(-,n by any inspector) the Contractor may make wvitt,,•n „j+r ra. to the: l ut;i,n ur for ilin decision ,w;pectorr~ and other properly authorizLd rcpre:rr ntal.lv~:t; of.' the Gwnc-r or 1,III i.neer' sha1 1, be free at, all. times to per.fori, U1,•i,t' rlr.ttsic,, rand an" in- i;lmi.dution or attemptod intimidation of tiny one of thr:rn by the Contractor or by any Dr his employees nhtill be nufficierii, reason, if the Owner ao d:"c:Ldes, to atinul the contract. ,'such inup-,tlon shall. not re:Lievo the Contractor from stmy obligation to pc,rl.'orm the work strictly ire accordrinae with the pl fine and specificationu or any mor]ifications thereof ur, herein provided, and work not rio constructed F,nal:l be removed and made good by the Contractor at his own txpeuse, and £reo of all. expense to the Owner, whonever so ordrircd by the Ellgi.neer, with- out reference to any previous inspection. riC-1.6, NO WAMN OF IiTGII'I'S. Nc: U(.,r the inspection by t.i,r Owner or Frigineer or any of' tlicir officials, emp.loyuen, or al;Pips) nor any order by the: Owner or Engineer fo;' payment of money, or zany payment for, or acceptntice of, the whole or any part o£ the work by tlae Gwncr or ls'rrLr1-neer, nor any extr;nr;ioo of time, nor arty posnewion talten by the Owricr or its eml,loyeer, shall. operate anti it waiver of any provision ni' IAhi:, contract, of of any power herein roclervofr."I to the Owner, or any vtgrht to damagoo heroin provided, nor sahall any wai.vor of tiny breach In this contract by bc;:l.d to be ti waiver of any uths'r or rtubsequent broach 17 SL'i l-"WTNTlONDENCE OI 41ORl', Tho Contractor shall provide and maintain, c:ontinuall.y on the us Lc of the work durlnt; it,,; prof;rosol striequttt,e and coivp(Acnt, Juperi.ntendonco of all opcrati.ons for avid in connection with the ',fork beime peri'orrv,(I under ttritr contract, dither personal.l.y or by a, duly rtuthovi e<3 ~ipnri'it~ ~i+lr,nt; cr other vcprt:rcntativoa rs.per.l.r;t;c,nduut or othor of thr Contract;)" oil the. work, an- 'dho hr-ts rl;nrtte the~reof', be f';r11.y r.tr_rthur, zerl to fact £wr till; Crvti.rru;tot' and to I'ouulvP aah_,~&Vr;r r,kw,, as il,`S,f' b" given foe, t.lu! 1wope%'r proneaut.l,uti of thv-, ',lurk, or notixr-,, in ~!our,crctioa tlv;rrrwlth. The Contractor nhnll, bo resportrsi.b:lc for complete miporvisiou and control of his subcontrEtetors till thouf;tr tlir,y were hU own fort?;a~ Any notices tr> th(, Contractor shall l,n onnidered sir; notice. to any a££octod wAcontractor, GO-Id. PROTECTION OF 14101']MPY AND PUBLIC LIABILITY. '£hr; Contractor shall be aoeountabl.e fcr any clalr,at;e:s rer,7a ing from his operations, lte cl,a.ll be fully responsible fo.^ the protect ,on of all. ptsrsonc including m-riber,, of the public, arr,ploycen or the Owner 'Arid emp.l.oyeors of other contractors or subcontractors and all. public tuid private pi'uperty IwAuding rstructurer,, se; ref's and utiliticr>, above; rind beluvi grouncl, nlongr boiloathf above, across or ncr , thn ni.tc or niters of the work, or other prxr o'. s or property which are in any manner af'feVted by the prosccution of the work. n11.~>~i7. ~1~7~%tJ:IPIdIPI'i' Re 1's`ktF1C'1'C011} C1C~'j The Cont,rnctor shall furnfrh and maintain al.l. necessrc V safety equipment such as barri.ero, signs, warning lights and guards; as rrclult-F,,(1 to provide adequate protection of persons anci property, The Contractor shall give rcasonsb.l.e notice to the owner Or Ownora of public or private property and utilities when such property In liable to injury or dwnago througl the performance of the work, and shall rnnkn, all nocesaary arrru3gcmerrtS with IMC11 owner or osnrers relative to the removal rind replacement of protection of such property or utilities. CC-[9, MODDOICA'i'IONS, 'Die Contractor shall modify the work whenever so ordered by the, Owner, and such modifications shall not affect tho va Wity of the contract. Modifications may involve increases nr lecreaaoa in the amount of work to be done for which an appropriate contract price adjustment will, be made. Except for minor changes or adjustn.ents which involve no contract price adjustment or other monetary cons idoration, and with the exception of adjustments ofestimated quantitieu for unit price work or aterial.o to conform to actual pay quantities, all. mod] fi.cationn shall. , made under the authority of duly executed change orders issued and si.gnerl by the Owner and accepted and eigned by the Contractor. CC-19,01, Extra Work. If a modification increases I;be amount of work to be done and the added work or any part thereof' It; of a type and character which can properly and fairly be classified under one or more unit price items of the Proposal, then said added work or part thereof shall 1,1. pairl for according to the amount actually clone and rat the applicable unit price or Tried; therefor. Otherwise, such work ahall be paid for as hereinafter prov[decl. Claims for extra work shall not bo paid unless the work covered by rush laimtr wun authorized in writing by the chaner. Payments for extra work ahal.Z be banned on agreed lump awns or on agreed urait pricer, whene;cur the Owner and thy, Contractor agree upon Duch pricort before- the rxtra work it., rtart ed; otherwiarl, payments for extric work shall be hraned on actua 1. f i c!.l.d cost pl.u, the aC~r~ci.f'.ied [terCe11t7Atre alloWatu±e. For the purpufjo of :felt 'mining whetPu:•a• or not proposed exl,ra work will be performed or for dofermini.ng the payment mothoI for extre. work, the Contractor .shall, whenever so requeuted by the Engineer, prepare and submit to the Engineer a detailed cost estimate for extra stork. Estimate shall. show itemized quantities and charger; for m?.terials, labor, equipment renta.lu, rind other elements of cost, Charges for the Contractor'a and subcontractor's (:if any) extra profit, extra general superintendence, c,•tra field office expense, and extra overheads shall be shown as it porcentrigo addition to the total estimated net coat. Unless otherwise agreed ur)n b the Contractor and the Owner, such percentage additions shall be fifteen (1.5~ por cent for extra stork performed by the Contractor's own forcoa, or twenty (20) per cent for extra work performed by a subcontractor. 123060 (EQUIPMENT & FR CTION) CC-8 When payment for extra work is based on actual field cost, the Contractor will be paid the actual field cost plus an allowance of fifteen (15) per cent if the extra work is performed by the ContractoA~'s own forces, or twenty (?0) r cent if the extra work is performed by a ~;ubcontractor. 'rile allowance will be paid as full compensation for the Contractor's and suboontractor 's (if' any) extra profit, extra general superintendence, extra fir,ld office expen€,e, extra overheads and all other elements of extra cost not defined herein as actual field cost. The actual field cost Shall include only those extra cost;, for labor and material expended directly for and in connection with the perform- ance of the extra work and may include: (a) The actual payroll cost of eJ2 workmen such as laborers, mechanics, craftsmen and for~-::-n. (b) The Contractor's or subcontractL,c's net cost for materials and supplies. (c) The rental charge for vehicles and construction machinery and equipment. (d) The transportation charges for machinery and equipment. (e) 'Elie charges for extra power, fuel, :lubricants, water and special services, (f) The charges for extra payroll taxes, bond premiums, and insurance premiums. The form in which actual field cost records are kept, the construction methods and the type and quantity of machinery and equipment used shall be subject to the Engineer's approval. Construction machinery or equipment which the Contractor has on they Job Mite and which in of a type and oize suitable for use in performing, the, extra, work ohall ire used. The hourly rental. charg,en for .;uch mnohinrry and t gitip ent shall not exceed 1/2 of one per cent of tine latest applicable Aosocia,vid Equipment Distributors published monthly rental ratan and shall apply to onty the actual. time the machinery or equipment is in use in performingr, i.he extra arrr'k . When extra work requires the use of machinery or equipment of a type and alto which the Contractor does not have on the ,job site, the Contractor shall obtain the approval of the Engineer before renting or otherwise acquiring; such additional equipment. The rental charges for the additional oqui.pmont shall not exceed the latest applicable Associated Equipment Dintri- butorn published rental. ratan. OC-19,02. Decreased Work. If n modification decreases the arnount of work to be done, such clee a se shall not conntitute the basis for a claim for darnaf;es or anticiputed profits on work affectea by such dacrea,ie. Where the value of omitted work in not covered by applicable unit prices, the Engineer shall determine on an equitaid.e basin the amount of (a) credit due the Owner for 1.23060 (EQUIPMENT & nRECTION) GC-9 . iritruct work Trot, c1.,n1, ail a re.,Ui.L an aut,huri V-, ..c,firgN. (t?) tcl.1.~`;stn~e t l,lre corltracLor for any avWit L It)st incurred in cunnr.I,Ut)n wi.tli Li,c i,tlrchur;c, (IoIlve, ry and 1,1thr;ec3uent, ttis;pusu1. of mater 1atr; ,r ac .;la,t nI ruclnired for use on the work arr p1anncd and which could not. be Ur;(,-,) ri all/ f.rteL the work a;; aCt,tally built, Anil ( C ) ally other adjIletmellL of tl;e r-OI11,vly-I. utnounC WIIore, Lile method to ba egged in making such adjustment i n ilol, ;1ra `I ,y rlctnod in the contract dncumonts, iirrlesss otherwise agreed upon by tire Owner and the Cunt,ructor, Lhe credit ciao tic owner for reductions ill the amotuit of work tug be d cno s kall. be the obtf- mated Field cosh of tiie deleted work plus an overhead std I wance c,f: `Lon (10) per cent of the estimaLed field cost if the w.>rk wars tc, , ado been done by the Contractor'u own forces. or: Fifteen (15) pov cent of the estimatod field cgst if' the work Was 1,r,) have been Clone by a subcontrucLor. Field cost referred to above rhall lni:lude the category l' costs; herei.nbrfore listed as ucl;ual field coats, Ltemn (a) to (f) inclusive of tile pavagra-1, entitled "HxLra Work". o'C-20, ARI31111RA1.I'ION. 3o'fore bringing any action in 1:c,ur, pertai.nivf~, to a decision of the Engineer, the objector (hereinafter referred to ar. ]'arty A) to the decision uhala. firef offer to arliitr`ato the quest9.0n with the other party to the contract (herei.na.N.Pr referred to au Party l3) by notifying hl. l" to writing and uctting forth in such not.i.ce the question -Lo be arbitrated. Party 13 can elect to arbitrate or not. if Party U agrees to arbitrate he ehui ou advise Party A In writing wiLhin ten (10) days after receipt of Party All; notice. Notice by Panty 13 that he doeu nut wish to arbitrato or failure of Party 11 to notify Party A wiLhi.n the ton (lo) day period, rril,l hive PurLy A the ri,ort to ntarts action In court, Tf Pu.rty R agroun Lo ariri.t:rlrLe, Par`I.; A ohall chuc,re an arbitrator an s;hal..i. Party 13 of the name of the aa,l),l ia'atur wi t.hin tr_:n (10) dayu W'i,Or reccil, rX Party lri'o n Ace. Party I7 hu.l,.l noi,ify Party A in writing wlthin Len Oo) days after reeo]gist of thc sr~,1.11 not,tcn thug, the arbil.raWr names by Party A s,bul l act its L'o u arbitrator, or rsltall. nume an ndd; t I onaI arbiLro,tor. tf Party 13 ncunce an add] i,i onal, arbitrator, Llron the arbitrator named by Party A and the arbitrator noince, by Party B shall. choose a third arbitrator. 't'ho arbitrator or arbi.traboru shall act with promptness. In the case of three arbitrature, the decir;i.on of any two shall be binding on both parties to the contracL, as uhall that of a single arbitrator if the dispute is subleittad thereto as heretofore provided. 11110 decision of the arbitrator ur arbiLrsrtarc may be filed in court to carry it into effect. if they consider that the carne so demands, the arbitrator or arbitrators are authorized to award the party whose contention is sustained such stun or uumtt as Lboy may deem proper fc , the time, expense and trouble incident to the appeal., and if' the appeal >rau taken without reasonable cattle, they may award damages for any delay occanl.onad thereby, The arbitrators shall receive reasonable compensation for their s0rvices, The arbitrators shall, assesal the o6?U6.1 (EOUIPMEIT2 & IMEC'PION) GC-10 anti c.r,arge:; of the arbitration upon either or I,ri',r, l:arties, l'Iao c3ecisi n ,:t tAle arbitrators, mutt i e made in writing, and shah nc,t be open tk, ob,jec.tIon 11 uc,oa,unt of the form of proccedin[;:, or award, 1.1' flur any reason, arter the Bald noLt-.es have boen dtCy (riven by [arty A and li, the arbitrators appointed a;lial.l be unable or anal l fai l to act wi tip reasonable: prou,pLness, in appointing a Lhird arbitrator) Party A (or, If ne d(,cs not du so within a reasonable time, Party 13) may request a ,jtadgc of tile, llnil,ed ;hates District Court who regularly holds court, in the distri.ct in wiai.oh the site of the work, or any part thereof is located, to appoint ttae sold third arbitrator, if it appearo to such Judge that the two arbitrators c r[yina7.ly appointed were unable ov failed to act w1lsh reasonable promp,Gner,n in appointing a third arbitrator, he, ]nay appoint the said third arbitrator, and HLleh an appointment shall constitute a uoncluciive determination that tale arb.ltratora originally appoin•L•ed were so unable or failed to act with reasc,n- able promptness and, if tlae said judge acted at the request of Party 1i, that Party A did not make .,rich request within a reasonable time, If for any reason, after the arbitrator or arbitrators, have been dul.,y al,ln>lnfe as hertri.nabove provided, the nald arbitre.cor or arbitrators shall be unable, ur shai..l fail to aot with reasonable promptness in reaching n. decision regardLntr the question iimbmi Uted to arbitration, Party A (or, if he does not du 130 Wi.thl., a reasonable time, Pai,Ly 11) may request: a judge of the IlnlAed ;hates Notvit t. t;ourt who regularly holds courts in the district :In whl.ch bile sLte of the wort;, or any part thereof i.s l~~caLod, Lo appoint threo new arbitrators to act, here- under. If it appears to sueh ;judge that the arbitrator or arbitrators origl- nally appointed were unable or failed to act with rea00riaLbl,e prGmpbnoas in roachi.ng a decilsi.on rogarding tine question submitted to arbitrat:lon, he may al:- poi.nt three new arbitrators to act horeunder, and such an appointment Shull nor AlAute a conclusive determination that the arbitrator or arbitrators oi'.i.91.- ,Ully appointed were so unable or failed to act witia reasonable promptnesm, and if the naid_ judge acLeu at roquvrit, of Party 13, that Party A dial not make suoll regfle,'A, wi_t11:11 8, reas6aable Lime. if' fur any ruaacson It 1,1 11 arld i.rator, or three n:iii and IQ ratorn nhal.i, n0. be appolrttod by a ,Iu"i(ro of, t,iac: Untied f.Mai,cs Distr'i.ct (",urt under the circum- slancct: [wrr:ihaabovr, dencribed, or f. J' Olvoc new al-b! trators arc no alcpofntcd trill are uciahle. or tal1, tc, acct wi Lh r-oanc nai'lo promptness in reaching a detail>i ..n rcl;ardi.n(, the gitot tion nkilmtlt,ted to alrbitratfon, then the arldlt:ration pr.)cedure :lyla)l ter, ogorarcl to havo, 1'111lod, and fJw partloo ;;hal..fbe freo to aasscrt their rtghLt; In the came manner as if they had not agreed to submit the quert.i.on t;cr arbiLration, If the abawe agroement; to submit quuFflJonai of dispute to arbitration is not, en, forceable under the law of applicable juritALetlon, each such question after it hat artson may h,y agreemenA of both parties hereto be submitted to arbitration in the manner uct forth above. 'Llie Contractor shall not caune a delay of the work during any arbitration pra- ceodi.ngn, except by agreement with the Owner, It its understood and agreed by the parties to the contract that no requirement or t3tatement herein ntrall be LhWrproteal as curtailing the power of the Xngineev to determine the WTJ(A nt, aIlArAMty, and acceptabil.lty, of work and maLertals. O+i'oil. (F.QUIPlri W & T UCTION) Go- 11. GC-21 1-IM 3:ION F08 IrMIDIGEMIE5. 'rlhenevor, in the opinion of too own;r, the ros,Lr:irtor' ha,~ n:iL takQn suff.icicot precaution For the s"Qty of the public or Cho protoUlon of the work to be cor,strucLerd under t.hIs contract, or nT €lljacc~nt structures or Property which may he injured by procr;ascsa of canes r~lcs;J,r,cr on aer.ount: of such neglect, and whenever, in the opinion of the (rwn-r', au emergency shall arise and iminediate action shall be considered neeerisnry i.n nrdcr to protect hubW or private personal or property iulorms) then ttae Owner, with or without notice to the Contractor, may providtr nui.Lable proWchion to the said interests by causing such wolf to be doucs and Material to be furnished and placed as the owner may . P!Jol' necc:nrury aad adecpArtite. The cost and expense of such work and material. so WAS % rhal_l be borne by the Contractor, nnd, if than same shall not be PWA on preserrtatlon of the bills therefor, such costs shall be doductod from any amounts due or to become clue the Contractor. The perforltiance of such rrmc:rgency work shn:l.l. in no wn,y relieve the Dntrfaetor or responsibility For damage:a wlich May occur during or after ouch precaution has barn duly Laken: C;(;-2P, A,31)MMENT AND SU13T,L'i''1'INCt Oh' CONTRACT. 'i'hc Contractor ['hall not aasJ.trn _Ar aublm ; the work, or any ~ consent of the ~ Y part thereof, without the previous written Owner, nor shall he ansitn, by power of attorney or otherwi.ae, any of the money payable under this contract unless by and with the like consent of the Owner to be sit{nifieu in like manner, No right under thit; contract, nor to tiny raoney flue or to become due herc,undov sha.l.l be asserted in any manner uphinnt said Owner, or pernonn Wing for the Owner, by reason of tansy fir)-called anulmnment of thin contract or any part thereof, Moss Ouch assignment, shall hfave been authorized by the written consent of the Owner. In cane the Contractor assigns al.l., or any part of, any moneys due nr to become, due under this contract, Lila inf Lrumcnt of nssignrnont shall contain a cl.uunv subn.antially to the effect that it. in agreed that the right of the a sn.i gneu in and to any moneys due or to become due to the Contractor shall. be subject to all prior 1J.= of all parsons, fi.rmq and corporationsi for services rendered or tnatrsrJ.nl.s supplier] for the pcrl'orrnanee of the work collod For in this contract, 3houl,d 'any ssirbcontc'acLor fail. to pot-form to a rP.ati;faci,oa~y rnaliller I hr! wort. Usadert akcn by him, his subcontract shall be immedi_utc 1 terminate l i by Llro Contractor npou noti u: from the Owner' the C ontras f or sha;..l, be an fully roapoaac,ablc: and u,:uauntuble to the Owner for the acts fntd omiasions of iaJ.ss subcontractorn, and of peroous either directly or indirectly employed by them, ur, ho to for the acts and omilvalons of persons directly employed by him, Nothing coat Unad In thin contract shall ornate any contractual rol.at,ion boWe:n any subcontractor and the Owner. 123000 (EQUIPMENT & Bn CTI,ON) CC-.1.2 GC-2"i. RIGHT 0_P OWNBI1 'f0 'i'LIVINA`E COWRACl'. If the wrr6, to be done under thus contract shaal. be aban(loned by the Contractor; c,r 11' Lhi.s contract shall. be assigned by him otlrerwine thnn an herein provided; „r if the Contractor nhoul.d be adjud(,ed bankrupt, or if' a genora1 aoyignmeni, ca' hi r, arsnetr; be muds for the benefit of his creditors, or if a receiver should be appointed for h(; C'ontrnct.or or any of his property; or if fit, any t1mr, I,hc E;;i,ineer olial.l cartl.fy in writing, Lo the Owner the;t file performance u1' Lho work under this contract is being unneccasarily delayed) or thaL the Cc,ntract,or i.a violating any of the cor;ditions or covenants of this contract or Leto specifications bherefoi,, or that he is exeouting Lho samo in bud .fai,th or otherwise not in accordance wi.tir Lhe Lo.rms of said contract; or if Lhe work be nut substantially cornpl.eted within (,ho Lime named for tLa completion or wl.Lhin the time to which such compl.eti.on data may he ext;endod; Lhrn the Owner may snrve written notice upon the ConLractor arid his nurety of.' sal.d Owner's inLenLLon to terminate this' contract and, unless within five; (y) Mays after the serving of such notice upon the Contractor, a saLi.sfrlctory arrangement; is rne,dc; for the cunt inuaanee thereof, this contract Shall cease. and Loiinirnatc. In tho event of such termination, the Owner shal..l. Immediately nerve notice thereof upon the surr:Ly and the Contractor, and the surety shul.l have the right to trike over and complete: the, work; provided, however, that If' the auroLy does not cornrnellcr, performance thereof within thirty (30) days from the dale of said notice of terralnation, the Owner may take over the work and prosecute r;ame to completion, by contract or otherwise, for the account; and at the expense of Lhe Contractor, and the Contractor and hin vurety shall be liable -to the Owner for any and all excess cost; susLoined by the Owner by reason of such prosecution and comp.lction; and in such event the Owner -.nay take possession of, and utilize in compl.c:t,ing Lho work, all such materials, oquiimenl;, tools, and plant as may be on Lhe site of the work and necessary therefor, (1C-211. SUSP1,M)ION OP UfOLiK. The Owner reoerrver; the rlghL to sucper,d find re=instate exertrtionWof the whole or any pure of the work herein rontr'rictcd w:UlaouL inval.idnti.ng the provir3lona of the oonLract in any way. Ordors for rsuapranr,lon or reinaLatemont of the work will, be isr;ued by the, Owner. L; Lhu Contractor In wri Lint,. 'I'll(! time for comtplotion of I,hn work aso r,uepe111ta;d shall be extended For eS perlod eyuul, to the; tiler; .Lni;L by I*Orir;un Of Lhr; nuspcr;nioil, Minn a suspension purlod lr, urdc:rez by the owner, pri.cus andb.,r delivery nchedules chal.1 remain unchanl;ed durini, tho suspcnsi.on pori.od unlcris change ; are agreed upon bc.Aweon the Owner and the Contractor, :Lf tho Contractor's prices or delivery ochedari.es ehan(;(_, during a suspension period) ho shall. notify the Owner in wrilAng 30 days or more before the effec- tive chunge date, `i'he Contractor and the Owner sh=all then agree an rr.asonable and proper changes, or the Owner may, ut any Lime prior to the effoufAve change, date, either ordr.r reinstatement of the wor=e without change;;, or cancel the unshipped l,artion of the work. Changes In clelivory schedule ahta.ll. mean exLoneiun of.' 1,h6- achodule(I time of de;J.ivery beyond the numbor of drays of We susponsion period. 1.23066) (E(1,1J11'I4LNT & Lf1XTION) (iC.1.3 GC-25. IjXLAv1-.0 S'HIMUIT. The Owner rescrvoo-; the rJ400. I,c, order the Con- tractor I,o de, :lay shipment of the equipment as herein conLrcactcd, In the Pvont of such ordered delay, the Owner will pay the 00MRcLor reasonable and proper extra chnrgeFs incurred by the Contractor as a rycm.l L of Lhe delay, Such extra chargers shall Include storage charges, Land Iing charges) insurance, interest on investment, and transportation charges to tho oLoragc facility. OWK CANCGLIA` ION OF WORK. The Owner reserves the rl.pht to cancel the unslai.ppecl -portion of Lhe work, In the event of caneollallon, the Owner will pay the. Contractor reasonable and proper cancellation charges, CC-Q. LOSSES FROM NA'T'URAL CAUSEW All loss or damage arising out of the nature of the work to be clone, or from the action of the elements, or from floods or overflown) or from ground water, or from any unusual obstruction or difficulty, or any other natural or existing circumstance either known or unforeseen, which may be encountered in the prosecution of the said work, shall be sustained and borne by the Contractor at his own coat and expense;, CC-26. LAWS AND REGULATIONS, The Contractor shall observe and comply with all ordinances, lawn, and regulations, and shall protect and indemnify the Ormor and the Owner's officers and agents against any claim or liability arising from or based on any violation of the, same. The Contractor shall comply with all regulations of agcneloc having jurindi.ction with respect to sanitation, 0009. TAXXW AND PCRMPUS, Unless, otherwise specified in these contract documents, t;he" Contr~ot i shall. pay fall sales, use, and other i.axeo that are lawfully asseored against the Owner or Contractor in connection with the work included in this conbrnot and shall obtain unrl pay for a.ll l.icrnwn, permits, and inspections required for the work; Or,-30. CHARAC`iEB 011' WOR PFN1. The Contractor shall employ only worY,mc:r, who are competent to peg form the work assigned to them and, in the craw: of skil.l.od. labor) who arc adequately tralned and experienced In their rQbpochl.ve Lyndon and who do satisfactory work. Tn all canon) local labor shall, be given prulurence when nv,oll.able, Whenever Lh_n Owner shall, notify the Contractor th„L any nwin on the work ii~, In his opinion, incompetent, unfaithful, or Bisordorl.y, or who used 4hreatcning or abuaivo language to any person representing; the, Owner when on the work, such man sha.l.l be immediately discharged from the wort: and shall not be re-employed thereon 9xcept with the consent of the Owner, CC-31, ,iUNDAY, HOLIDAY. AND N-1011'1' WORK. No work ;,hall be dons between Lhe hours of7 ,00 p .m . and 'T :00 a.m., nor on Sundays or legal holidays, without the written approval of the Owner. llowover, work as may be necessary in case of emergencies or for the proper care, maintenance, and protection of equipment; or finished work may bv done without the Owner's approval, 1.12263 (F:pl1il'MENT & ElIEC'TION GCMs Night work may be established by the Contractor, an a rot;ular procedure, with the written permission of the Owner; such permission, however, may be revoked at any t1mo by the Owner if the Contractor fails to rnn;lntain at night adegi.tate. equipment for the proper prosecution and control of thr, work and all opera- tiona performed 'thereunder. GC-32. UNFAVORABLE, CONSIMUCTION CONDITIONS. During unfavorable weather, wet ground, or other unsuitable construction conditions, the Contractor shall confine hi.s operationu to work which will not be affected adversely thereby. No portion of the work shall be constructed under conditions whicb would affect adversely the quality or efficiency thereof, unless special means or precautions are taken by the Contractor Lo perform the work in a proper and satisfactory manner. GC-33. t3PiGINNING. PROGRESS, AND 'PINE OF COMPLETION OF WORK. Except as otherwise detarminecl Uy construction schedule in 'bhp contract documents, the Contractor shall, within ten (10) days after being instructed to do so in a written notice from the Owner, commence the work to be done under this contract; and the rate of progress shall be such that the work shall have been completed in accordance with the terms of the cont'raet on or before the termination of the construction period named in tho proposal, subject to any extension or extensions of such time made as hereinafter provided. The Con- tractor may be required to furniah the Engineer with a tentative schedule netting forth in detail the procedure he proposes to follow, and give the dates on which tie expects to start and to complete separate portions of the work. If' at any time, in the opinion of the Engineer, proper progress is not being maintained, such changes shall be made in the schedule of operations as to assure proper progress. {',0-34. HINDRANCES AND DELAYS. In executing the Conc;ract Agreement, the Contractor exprenaly covenants end agrees that, in undertaking to complete the work within the time therein fixed, he has taken into consideration and n'.ado allovanoes for all hindrances and delays incident to such work, whether growing out of delays in aecuri.nr' materials or workmen or otherwise. No charge shah be made by the Contractor for hindranccn or delays from any cause during the progress o1' the work, or any portion thereof, embraced in thin eontror.,t, ereept as provided in the partifiraph on " unpension of Work" of Lhenn „enerral Conditions. GC-35- NX'ITIMS:CONS OF ME, . Should the Contractor be dclrayed in the final completion of 11in work by~nny act; or negleot 01' the Oinic'r or Xnginecr, or of any employee of either, or by any other contractor employed by the Otimer, or by strikes, fire, or other cause or causes outside of and beyond the control of the Contractor and which, in the opinion of the Enr,inenr, could have been neither anticipated nor avoided, then an extension of time sufficient to c:ompenoate for the delay, as determined by the Engineer, shall be granted by the Owner; provided, however, that the Contractor ahall give the Owner and the Engineer prompt notice in writing of -the cause of delay in each case and nhall demonstrate that he has used all reasonable means to minimize the delay. . 123060 (EQUIPh4R ERECTION) GC-15 Extensions of time will not be granted for delays caunod by unfavorable weather, unsuitable ground conditions, inadequate con0;ruction force, or the failure of the Contractor to place orders for equipment or materials a sufficient time in advance to insure delivery when needed. GL'-36. MATERIALS AND E U73?MENT. Unless specifically provided otherwise in each case, all maLerial.s and equipment furnished for permanent installation in the worts shall conform to applicable standard specifications and shall. be new, unused, and undamaged when installed or otherwise incorporated in the work. No such material or equipment shall be used by the Contractor for any purpose other than that intended or specified, unless such use is specifi- cally authorizcd by the Engineer in each case. GC-37. PLACING WORK IN SERMN. If desired by the Owner, portions of the work may be placed in service when completed and the Contractor shall give proper access to the work for this purpo4A; but such use and operation shall not constitute an acceptance of the work and the Contractor shall be liable for defects due to faulty construction throughout the duration of this contract and thereafter as provided under the guarantee. CC-38. DISPOSAL OF TRASH AND DEBRIS, The Contractor shall clean the work- ing areas each day of all trash and waste materials and shall maintain the site in a neat- and orderly condition throughout the construction period. The Engineer shall. have the right to determine what is waste material or rubbish and the manner and place of disposal. On or before the completion of the work the Contractor shall, without charge therefor, carefully clean out all pits, pipers, chambers, or conduits, and shall tear down and remove all temporary structures built by him, and shall remove all rubbish of every kind from the tracts or grounds which he has occupied and shall leave them in first-clues condition. CC-39. WARRAN'T'Y. The Contractor warrants that the work herein contracted will be as specified and will be free from defects in design, workmanship and materials. If, within the warranty period, tttc work falls to meet the pro- visions of thlz warranty, the Owner will notify the Contractor and the ContracLor shall promptly correct any deferto, Including nonconformance, wS.th the spec-tri.cationr;, by adjustment, repair or replacement of any and all, defective parLs or materials. Unlcs;; oLherwlae specified, tho warranty period shall begin on the date of Final payment and the warranty period shall and 12 months later. The Contractor shall pay all. costs for correction of defects, including shop and field labor and supervision, transportation, parts, supplies, and special tools. The Contractor will be given an opportunity to confirm the existence of the defect but he shall not delay the correction while making such determination. 09P563 (EgUIPMENT & BRECTION) GC-16 When 11: is 110cesscPy to dismantle piping, ducta, maehhv!py, equipment or other wort, not performed by the Contractor in order to Main acr,css to the Contractor's work, the cost of all such dismantlint; dial r•c;I cambly will be paid by the Owner. All costs of dismantling and rear:r ymbly of the contractor's work shall be paid by the Contractor, The Contractor shall extend the provisions of this varranty to cover all repalrad and replacement parts furnished under the warranty peovlolons for a period of one year from the (late of' Installation thoroof. TC within ten days utter the Mnicr given the Contractor notice of a detect) the Contractor neglecto to make or undertake with duce d1ligence to make the necessary corrections, the owner is herby authorised to wake i,he corrections hi_mselP or order Lhe work to be done by a third parity, and the cost of the corrections shall be paid by the Contractor, In the event of an emergency whore in the Judgment of the Owner the delay ro-sulting from giving formal notice would cause serious loss or damage which could be prevented by immediate action, MAN may be corrected by the Owner or a third party chosen by the owner without giving prior notice to the Con- tractor and the cost of the corrections shall be paid by the Contractor, in the event such action is taken by the Owner, the Contractor will be notified PrompUs and shall assist wherever possible in making the, necessary corrections. woo. QL M' FOR TABOR AND MATERIALS. 'Me. Contractor shall indemnify and. nave haml.ess the Owner from all claims foi :Labor and materials Purnished under this contract, When re(luented by the Owner) the Contractor shall oubmit natlufactory evidence that all persons, firms) or corporations who have done work or furnished materials under this contract, for which the Owner may become 11able under the lams of the state, have been fully paid or ,,:rtisfacturily secured. In case such evidence Is not turnlohcd or is not satisfactory, an amount shall be retained from moneys due the Contractor which, in addition to any other sums ''hat may be retained, will be suft'icicnt, in the opinion of the (honer, to meet all claims oC the persons, firms and corporations as aforesaid. ;luch sum or sums shall be rctaIned until the, l.:i.ablIAG'ies an aforesaid. arc fully dincharged or natinfactori.ly secured. 1301'0"0 Vinal Iccaptance of the work by the owner, the Contractor shuLl submit in 4"pl Ecate•a nirgnrod notari"qj afi'i(lavit jo the 1 nganr'or stating that al.l, ,uboontJactorn, vendors, Pcrnon(n, or fl1'Ui. oho have furnished labor or Inateri It.n Poe L1r„ work have been Fully paid of snti.(,ras;to) I ly secured and. thril, uii tax±•n havo been paid. The affidavit shal•1 also bear a stal,.(,)ncnL connenting to the makinG of the final payment signed by the, surety company who han provided the Performanco Bond for this wort (when a Performance Bond is provided), ilo162 (EQUIPMENT & ERECTION) GC-41. CONTRACTOR'S BRF]Il1CAOWN ESTIMATE. If the contract is based on a lwnp ewn t11ci, or contains ono or more lump items for wlhi.chll partial payments are denirod, tine Contractor s'-all prepare and submit to the Engineer for approval a breakdown estimate for and covering each such lunlp sum bid or item. Each breakdown estimate, showing the va.Lue of each kind of work, shall be submitted to and approved by the Bng.ineer before any partial payment estimate is prepared. Such items as bond prernfwn, temporary construction facilities, and plant may be listed separately in the breakdown ostimate, provided that their costs can be substantiated. The awn of the items listed in any breakdown est:;o to 611411 equal the contract lump sum price or prices. Overhead and profit shall not be listed as eepavate f.teras. An unbalanced breakdown estimate, providing for overpayment of the Contractor on items of work which would be performed first under the lump sum item or contract, will not be accepted end shall be revised and resubmitted until acceptable to the Engineer. 00-42. FINV, TY SRT-,CTj0"1. When the work has been substantially completed and at atime mil vd.",;yatreeable to the owner, Engineer And Contractor., the Engineor 8111,1.1 rnr&c~ tc, fixitl inspection of the work and report his findings as to the accepLabi.lity and completeness of tho work to the Owner. GC-43. 1tiIMSi, OF I,IAPTIslaTY. Tile acceptance by the Contractor of the last paynr;,r~; rilis.ll oiler. ;,i:e us, slid shall be, a release to the Owner and every off Ieer aud. atpnkt thoroof, from all claims and liability hereunder for anyLh,.nl; Bono or furnished for, or relating to the work, or for any not or neglect; of the Owner or of any person relating to or affecting the work. GC-44. DinypE Oi' sums. In case any action at law or suit in equity in brought against the (haler or Engineer or any officer or agent of either of them, for or on account of the failure) omission, or neglect of the Contractor to (10 and perform any of the covenant,, acts) matters, or thingn by this contract undertaken to be done: or performed, or for the injury or damage caused by the negligence or W leged. nag.11gence of the Contractoe or his subcontractors or his or their agents, or in connection with any claim o.o claims based on the lawful demands of subcontractors, workmen, material men, or supplies of irachInery and parts thereof, cqulprnent, power tools) and supplies incurred in the fulfillment of thin contract, the Contractor shall indemnify and save harmless the Owner and Engineer and their officers and agents, of and from all losses, damages, costs, expenses, judgmenta, or decrees whatever arising out of such action or suit that may be brought as aforesaid. .123o6o (EQUIP Pl' & BREC ION) GC-18 CC-45. INStiZANCE, The Contractor shall secure and maintain throughout the duration of foie contract, insurance of such types and In such amounts as may be necessary to protect himself and the interests of the (timer against all hazards or risks of loss as hereinafter designated and specified. The form and limits of such insurance, together with the underwriter thereof in each case, shall be approved by the Owner but, regardless of such approval, it shall be the responsibility of the Contractor to maintain adequate insurance coverage at all times, failure of the Contractor to maintain such coverage shall not relieve him of any contractual responsibility or obligation. For insurance purposes, the title of ownership of the equipment shall remain with the Contractor until the Owner makes the final payment. Satisfactory certificates of insurance shall be filed with the Owner prior to starting any construction work for or in connection with this contract. Said certificates shall, state that ten (10) days written notice will be given the Osmer before any policy covered thereby is changed or canceled. Certificates of installation floater insurance shall quote the insuring agreement and all exclusions as they appear in the policy; or in lieu of a certificate, a copy of the complete policy may be submitted. ac-45,01, Workmen's Comnec np nn and Ilmplayer's T,i.abl.lit Insurance. This insurance shall protect the Contractor against any and all claims brought under the Workmen's Compensation Law for the state or states involved in work performed under this contract. It shall also protect the Contractor against claims for injury to, disease, or death of workmen enraged in work under this contract which, for any reason, may not fall within the provisions of the Workmen's Compensation Act, This policy shall include an "all, states" endorsement, The liability limits shall not be less than the following: Workmen's Compensation - Statutory nuployer's Liability - $100,000 each person ac-45,w Co rehonpive AutomoUJle Liability Insurance, '.i'his insurance, to be on the roinpre3lens:~.vo form, shall protect the Contractor against any and all claims for injuries to members of the public and damage to property of others arising from the use of automobiles and trucks in connection with the performance of work under this contract, and shall cover the operation on or oft' the site of the work of all motor vohicl.co .li sensed for highwtay use whether they are owned, nonowned, or hired. The liability limits 00 1 not be 1 -~3 than the following: Bodily Injury - $250,000 each person - $500,000 each accident Property Won, - $100,000 each accident 011161 (EQUIERENT & MOTION) 00-19 UC'-}i`i.U3. Cumprchenriyc, (lene,110, I,inbi.Llty 1118ura11cc. 'Hill; int,urance, to be on Ulc comprehensive form, aliul protect the Contrael,or nKai.nf;t any and al.1 claims arming from injurl.o., to memberrs of the publ.i.c of, (I,alnagr to property of, others aritsi rig out of ally act or act of omission of tlfu Contractor) hl,(; allents, employeofl ur aubcuntractors, In cotltleation wit11 the opcrati.cm or perf'onnance Of' work under this contract,. In additiun, 1,1111; general 1J.abll.ity insurance policy mlall apec;ificrtlTy i%ure the c~,utructuu]. liability or the Contractor ausumed under tho foreficAng paragraph "Defame ol, ~;ui.ts." The property damaGoo aiubilily coverage under thin pul.tcy uha[l contain no exclusion relative to blasting, explosion, col.l.apso of bulldi.ngr;, or danmgc to undcvgvocAnd property. The liability limits viial.l not be loam -than the fallowing; Bodily injury - 250,000 each 1ximon -;500,000 each accident Property Damage - 500,000 each accident 500,000 agf;regate OC-45.Oft. Installation Floater Insurance. Thts insurance shall Insure and protect the CotltraCtor and the Owner from al.l..l.nsurable rinks of phycieal 1osr; oz' damage to materials and equipment during the time. the equipment is ill transit to tite Job site, in warehouses or storage areas, during Instal..l.a- Lion) during testing, and until final. acceptance of the equipment. It sha1.1 be of the "A11. Risks" type, with coverages designed. for tile circumstances which may occur in the particular work included in this contract. The coverage shall be for an amount not less than the value of the work at completion. Insta.l.lation Cloater Insuranco shall also provide for l.ouf,cs;, it' any, to bf; adjustcd witls and made Payable to the Contractor and the 0wucr as thirir intereatr, may apprar, (1C-46. NST1MATW AND PAYMENTS. Payments will. be made montltl.y irn acrerinnrrr• wi.tl1 Ulu following schedisLc; go per cent, of the value of the equipment and rnateri.aa.s upon delivery 1,i; the job site dvving each cal.cndar month, providing the shipment.., wc!rc: r'eaf;onabl.,y completo and I.ntogral units of equipment or reafsonabl.y tamp?ctc IOU or matcrial.t3, plus 90 per (!cnt of the r,,ctimuted value of' W)o cirerti.on work perfonned (luring the previ.our, calr:ndar month. Payments for mtiLeriala storlad at the site shall be based up m the actual cost of such materials to the Contractor and shall net i.ncitido any overhead or profit, to the Contractor. `1'ltc estimatod. va.l.uc: of the erection work will be based Un the portion Of' the contract price which app.lt.es to erection work and the percentage of the erection work completed. 022361 (1Q,UIPMJUT & Is7i1X;'1'ION) The Contractor shall prepare and submit to the Engineer for approval., monthly estimates of the erection work completed. After official approval and acceptance of the work by the Owner, the Engineer will be authorized to prepare a final estimate of the work done under thin contract and the value thereof, couch final estimate will be submitted to the Owner within ten (10) days after its preparation has been authorized as aforesaid, and the t Owner will, within thirty (30) days nff;er said final estimate is made and certified, pay the entire sum so found to be due here- under, after deducting all amounts to be kept and retained under any pro- vision of tli6 contract, In the event the Owner does not give official approval and acceptance of tht? work within 365 days after the date the shipment of equipment and materials was complete because of any cause which is beyond the Contractor's control, the final payment will be made in the manner as stipulated above providing the equipment and materials are in accordance with the apccificationc as far as can be determined, II o)1663 (EQUIP Nr & rREMON) GC_ 21 GENERAL SPTIXIF'ICATIONS FOR STEAM GE IMATOR GI Nl:liAl,, 't'hese ale ~ f, c ifications cover the furnishin f anti field erection of one steam generator unit for the City of DenLon, 1,exa8 , The unit shall be installed in the new addition to the oxioting municipal. power plant, A railroad aiding will be available near the plant site for delivery of equipment and materials. All pressure parts shall be approved for operation by an insurance company or agency acceptable by the Owner. A shop inspection certificate covering materials and ft,bricati.ons shall be furnished in duplicate, Steam prosfjure shall not be placed on this working parts of equipment herein spocified until. the Owner has the equipment covered by an insurance policy giving the full protection It desires, The Owner shall have the option of ehoouing the manufacturer of the misec'- laneous bailer equipment such as gauge glasses) moLoroj attfcty valves, blov- down valves, feed water valves, and miacollaneous valves, SCHEDUIX. All equipment shall be delivered on a schedule to permit continviolm commercial, operation of the steam generator by Nuay 1, 1966. Withia 30 days after the contract date, the Contractor shall submit for approval. a proposed erection schedule. CODES AND ST_ANDIUMS, All materials, equipment, and fabrication procodurrm shall be in accordance with the latest applicable provisions of Lhe NSMls Boiler and Pressure Vessel. Code, American Standards Associatior., National Board of Fire Underwriters, National Electrical Code, Nations]. Electrical Manufacturers Association, and the laws of the State of Texas and all local. ordinances, DRA4l.TNUS. Each bidder shall submit druwingn with his proposal. which ade- quately show the general arrangement of the equipment, principles of operation, sizes, general appearance, and matoriala of construction, Drawings shall show the general arrangement of air heater, ducts, breeching, and FD fan, The Contractor shall submit drawings for approval by the Engineer an speci- fied in General Conditions Drawings to be submitted for approval shall include preliminary and certified drawings of equipment and devices as described below, The days indicated are the calendar days after the contract award date, Drawings shall be submitted not later than the dates indicated, M14TON) TEXAS - 3725 SMAM GENERATOR - M-34A) G-l. For prc'L1cnInary issue in 15 days and c:arLifled inn;lc in 1.05 dayn: Loading diagr nn i,nca.udin> equipment wcigLlbc7 and duct loads Cencra.l arrnneemenLs including; ulc-nrancc cllmennionn and the location and dencripti.on of a01. p1pl.ni; and wiring connections, 1101' pre'l iminary :isnuo in 45 days tied certifled issue in .165 dayn: Burner equipment ran, including setting rlotails Rrgencrative till' heater DucLs and brceclO ni5 For preliminary iss;.te in 75 dayn «nd eerL.if.i.ed insuc i.n pf?5 rlayp; Temperature control. :including dec,lgii data art(] eurvcn, fuel requirements, and equipment deLa:l,'ls Al:l. other dray ngr,s fnc.lucling details of va:lvos and accessories. 2:N5'.IIIUC$T. ON MANUAJ IJ, 11he Contractor slta.1.1 furnish twelve complete and final copieu of inet-uution manuals not pater than 30 days prior to shipment of the equipment. One copy nhall be sent to the Engineer and upon approval thereof' the remaining, eleven c_opien riltall be de.Ll.verod to the Owner, The instruction manur~ln shall cover complete installation, operating and maintenance instructions, drawings, and parts liatn for the nquipmcnL furnished. 'ihe instruction manuals shall be bound w:Lth Buchan Loose Leaf ilocords Company 't'ype ill, bindern covcreJ with pyroxylin Impregnated buckram covers. The front covert. shall be stsmpecl with lettcri ng .irtdicaLi.ng the Owner' n name, unit number, name of poorer plant, :location of power plant, name of equipmenL, ba3ic capacity rating of equipment, mane of manufacturer, and name and location of the Consultinp Isngineerf, The backbones of the covers shall. be stwnped with lettering indicating the Owner`s ncune, name of power plant, unit number, and name of equipment. Drawing.; *11-802,02 included with there specifications shows the format and letter size which shall be used for the stamping, of -the binders, A sample of the type of cov,nrs to be used and copy of the cover legends shall be submitted to the Bngincer for approval before the covers are stamped. A list of recommended spare parts shall also be included in the instruction manuals, Ae instruction manuals shall show all nameplate information and shop order numbers for each item of equipment and comnoncnL pnrL thereof, Rovined in accordance with Addendum No. .1. DLNTONl TEXAS - 3725 ) ~CTI M OLNERAT01i - 1,1-3lrA) a-P I'll NARANOE, The ateam generator unit shall be rlerJgnod and eonrLr~u f,ed to provide a neat and attractive appearance, '14ie Engineer's check and a..pproval of drawings rlubmitted by the Contractor will, i.ncludc a critical. examinat:l.on of all equipment from an appearance viewpoint, DH5'1GN CONIPBRENCE, the Contractor'o design eng.i.ncer Slial'1 come to the office of the Enginoer for it desif n conference wi Lhin Ito dclys after the aw}inl of contract and at other times as required to expedite the handling of mai,ters between the manufacturer and the E'ng.1neo~r. W.NWAC?,` T-,RS' SUPUIVISION. The Contractor shall. furnish the servi cen of one or more manufacturers' erection supervisors for resident supervirion of all erection work including i.nstrtunent and control. equipmcrrl;, chemical c1caning, testing, and placing the steam generator into successful operation, 11410, erecti.ort supervisors shall be present durinr and shall supervise the url'Loading of equipment and materials from cP.rs, hauling, storing, cleaning, erection, start-up, and testing of the steam generator unit and aauy.l-liarics. One or more manufacturers' erection supervisors shall be, present during any time the steam generator unit is being fired in start-up and at other times as required by the Owner. The Contractor shall also furnish the field sorvicer of direeL representatives of the manufacturers of the fan, regenerative air heater, safety valves, gauge glasses, and other auxiliary equipment which has rotating parts or which may require field inspection and adjustment to assure proper operation. 'these manufacturers' supervisors shall. inspect the equipment after i.ts installation and make any needed changes or adjustments to assure proper operation. They shall furnish written certification to the Owner's representatives that the equipment has been inspected and adjusted by them or tinder their supervision and that it is ready for service, all of which shall be done before initial operation of the equipment, In addition, such supervisors rhal.l. be present during initial. operation of the equipment. The steam generator manufacturer's supervisor shall be present during the start-up of the unit and shall instruct the operating personnel in the proper operation of the equipment. The Contractor shall be-responsible for dircttion Ui' bheropere,tri.n~ciE=.~rc starting up the unit, and the Contractor sh e for any damage PaVulting-£rorr••r atiQ;ZSro ng- crew-performed-3n-aee~rflccnce iri 1 amoh ins'trtld .ioijs SHOP PAJ:NTINGs Except as othorwise spocifled, exposed iron and steel surfaces of all. egidpment shall be given one coat of primer paint before shipment of the equipment to the job site. Before application of paint) all. surfaces shall be free of rust, scale, lubricants, moisture, and other substances. (lust and scale shall be carefully removed by sandblasting, power sandin3, or power wire brushing. Lubricants shall be removed by suitable solvents, All, contingn shall be ground, filled, and smoothed before primer paint is applied, AU paint shall be applied in accordance with the paint manufacturer's recommendations. (DL'NI'ON, TEXAS - 37p5 STEAM GENERATOR - 14-34A 0-3 Pr l mer paint shall be a red lead or zinc chromate l>.Li{utent , rust inhibitive nu~i,a.l. primer paint recoimnended by the paint manufacl;urer' for application to metals piepared for painting by wire brushing. All electrical control panels, and cabinets shall be fintrih painted in the shop with 3 or more coatu of alkyd resin machinery enamel in a color to be sclneted later by the Owner. Machined surffces stl011 as rhaftu, .•lna, bushings, shaft couplings, and other similar parts whoac operation would be impaired by painting shall not be painted. Theue surfaces nhal I. be protected by applicfrtion of an caoil.y removable rust preventative •,ompound, Noncorrosive metals such as aluminum, brass, bronze, or atai.nleus steel shall not be painted. Boller tubes, superheater tubes, and other heat exchange. surfaces shall not be painted but shall be given a protective coating f~o protect these parts from corrosion during shipment and storage. Field painting shall be as specified under "Erection of Steam fens;rating Unit", PROTECTION DURING SIRPNENT. All. equipment and accr,snory items shall be suit,- ably boxed or crated and wrapped or covered to prevent entrance of di:,t or molstuve and to prevent apoi.dontal damage during shipment to the job site and during outdot,r stovvge at the job cite. All accessory items shall be shipped with the equipment. Boxes and cra containing accessory iteias shall be marked so that they site ident.lfied with the main equipment. The contents of the boxes and crates shall also be indicated, All. drum and header openings and all tube ends shall be oecure.l.y capp(!d a:cd sealed to prevent entry of dirt and moisture during the time the equilme :t is in traneit to the Job site and during storage at the job altos TOM. The Contractor shall furnish and ship with they equipment one set r1 all. special tools required for dismantling or maintenance of the or ,Lpmr,(ri„ The tools shall be shipped in a aeparal;e heavily constructed voodefj box or boxes provided with hinged covers and prullock hasps, Maintenance tools ohal.l. be boxed separately raid the boxes shall be markccl with a large painted Legenrl as follows: nCITY Oil, DENTON, ' VAfi MAINTENANCE TOOLS FOR STEAM ULNIIRATOR Mr,,CTION CONTRACTOR DO NOT OPEN MXCEI"f WITH OWPIM? IS 11-113MISSION" A weatherproofed, iterni.zed list of the ontents shall. be attached to the n•. - side of each box. DENTON) TEXAS - 3725 ) IMAM ORNERATOR - M-34A) 0-11 The tools sh tll inci.uclc„S ilpeci,c- tool z; for aux.iJ.iary c,rluipmenL llhce.iW cutters to remove seal wolded cnp,;i >;pcoIal wrenches for hahdlio.le and manhole cover nutr> £ipr,cial- cuti,Lnj{ t;oo.l, for r0fJ0FL i.ngs SnslceVd hntulhole cxtha .Jrrbcrs~rence tools rhal.l not be used for ol-uc-tion purhl.;car;, COUPLING g1UAI DS, Guards shall be provided for protc ctlon of pc:rnonnea r'1 nn f~aa. exposed rotaLinS shafts and couplings. Guards Bali be con8tructed Mi.,, ~3luminun plate riot less than 3/16 inch thick and expanded aluminum mesh. Guards shall be of the inverted "U" dool Gn with bol.tod horizontal ,joints, shall extend 6 inches below the coupling, and shall bo supported from the frame of the machine and not the bat;eplate. 1131liJYf1NG NOTICES. '1110 Contractor shall. send two copies W..' a shl.ppingr riot ict l.oseri.bing each chi.pmeut of material or oqui.pment. The shipping; notice, shall be mailed on a schedule so that the notice will arrive approximately thruo Mays ahead of the estimated arrival time of the shipment. 5hippi ng, notices shall be identlfiecl with the Owner's name, spceM cat i.on number, and name of the item of equipment or material, '.lbo addre6r3cen for the shipping notice will be determined later. )31 L1, OF MA'f'C1MAL. '17x: Contractor ,shall prepare and submit two copies of u bill. of mt,,l,crial covering all material and equipment furnished Wor thcr,c specifications, The bill of mator'.u.l shall bey aubmitt;ed approximately 111-er clays before the scheduled arrival of the fJrst shipment. The MIA of mrkteri.al, sshall he itemized in sufficient detail to permit an accurate detormlr&Aon of the completion of shipment of the Morita and equi.pmont furnished under thrc:a • npcaificss.tions, The Wresnecs for the bill of material will be determined later. 'rli?d1'17iERPIiCb11''f.NG CO_N51MUC'TI:QN. '17ic, sLoasa goacrator slal.i be insta.llcxl ottLd,)ors in an unprotectedM location and shall be suitable for such outdoor irssstal.la on during all types of weather to be experienced at the Owncr' a electric: gcncrat- ]ng; Mation, Where required, equipment or equipment components shRIL be provided with special weatherproof construction. CURPRESSED AIR SUPPIN. Comproaned air at 60 to 100 pal. wi.l.l be avcci able fc,r actuating; inutrumenY and conLroln furnished with the steam gonerrator unit. The Contractor shall furnish Ql necessary filter regulator units required l aruue of this compressed air supply with the; nout.rolss. Ai..lGIJKENT AND VALANCE. All rotating harts shall be true and well balanced, Excessive nolbe or vibration caused from defective parts will be suffiolen'; cauno for rejection of the equipment, All rotating equipment shall, be Dalanced at the factory, (DI N'1'Uldr =XAS - 3105 ) (S77.-;AM GIMERATOIi - M-34A) GO CC);_41i;CTION OF MANUFACITWING ERRORSo Me equipment 10111,11 be complete an al.l. reuliects within the l.imj-c herein outlined. A1.'I. rnar~ufrceturing errors or om';.nsions roqu:ired to be corrected in the i'ield chal.1 bo derv,, by flee Inunu- Faol,urer at, his exponsc:, or if done by the, Owner, the! cot;i; of Berne rjha.l.i. be deducted from the .:contract price, VOT1!'AGk [tATCNGB. Al L dlroci, current rrav csera rlpecili.nd herein fjhall be nu.Ctab.le for cntimmij operation on the norm nal 125 volt ntabi.on battery which will flout on trickle charge at 119 voI ts. I ' t jliull be the renpons:i- bili'y of the Contractor 'to provido su:Ltabl.c: equipment, and to guar.cntee satisfactory operation when lts in enerr;iied at any voltage from 90 to 1110 volts d ~c with an ambient tempertd;ura oi' 50 G`. Un:lr-.nn otherwise cpet~].N.ed, all. alternating curront dovLces in thin specifi- cation nhall be suitable for operation on a ricmbia.1 lt[i) volt a-c system. It shall be the, reaponnibi.l.i,ty of the Contractor to provide suitable equipment arjd. Lo I;uarautue satisfactory operation when it in onerq,ized at any voltal,e fz'Qm 105 to 125 volts a-c with an tu,iblent temperature of 50 C. l7ie drop-out voltage shall be not Ions than 75 volts for relays and 90 volts for con- t•artors and starters. A11. a1.teornatlingr current and direct current dovicen :I.ocrcted in high temperature regions shall. be guaranteed to operate crxti.sfuctorl3 y under voltage conditions specified In the above paragraphs and at the oxpectml ambient temperaturu, (b1:;N'I1)N, '.IBU) - 3f25 (SUSAN GENBARATOR - M- 311A) G-6 r fy r )ENTON, TEXAS I• W u' vAI aIC NERAr11,10 STAItON a 1 .1„ a 5 Q w 0 < INSTRUr' look PON NAME OF EQUIPMENT O C= 1- N Q x MANUFACTURER'S NAME MANUFACTUP' ICS ADDRESS Z ul q O 7. ~ h V j oc r 8LACK d VEATCH CONSULTING ENGINEERS a KANSAS CITY, MISSOURI u z D f (Bdea44ne1 (Front co vdfl H41n: Ilya r~ ',pr .,n 811 Ln 9Q Lc in ~ )r~pU Ilhd vl (4ngr;rv tnQ flit ;Iter 111< '1•dll 'vC 17 6~•In! ~ CfGr'r 3ldln Nrlibc f,4lpir TYPICAL EOUIPMENT INSTRUCTION BOOK COVER FLACK A VEATCH CONSULTING ENGINEERS P ° 30 2 0 7 KANSAS CITY, MISSOURI DETAILED SPI.CIFICATIONS FOR B'17 AM On, NEPATOR SCOTT;, The Imp nuru price stated 111 the Proposal f1hu.1.1 inc.l.udc ul.l costa for the furniohin(q and ri.el.ci erection or one riteam generating unit as oper:iflcd herein, Thc; price stated In the Proposal. for furnioliing thr. oteam gfr ncrating unit fob plant siLc shall include all costs for erection supervision rai s"pec"ified In the Goneral. Speciftcations, The equipment to be furnished shall luclude, but is not necosriarily l.imitcri to: Boiler and furnace Valves Superheater Economizer Steam temperature control ttystem flegenerutivc, air heater Firing equipment Forced draft fan Gao and air dur.Ls Motors Structural, supporting titeel (platforms) wr,,lkways, and stairrj wl.l..l. be furninhed by the Owner) fiefrractories, insulation, and lugging Stack Geis du(.t from regenerative air heater to stack {,oral air piping and controls if' required i'3.1ot combuGtion rtlr piping, and controls Remote burner Control. (D1 NTON, TEXAS - 3725 (S'MW4 0I11 IiA'TOR - M- i lIj 1>5 - i Misccl.:laneous materials not otherwise specifically rt,tlLed for shall. be furnished by the Contractor or the Owner in aecordonnu with the following, s eI I C,d the . Furni.nhed by the Contractor(s): All bolts, nuts, and gaskets betwco:t parts an!l riquIpment furniuhed by the Contractor. Grouting, grouting materials, wedges, leveling bl.ocku, uubsoleplates, and shims for leveling, Hangers and uupports for piping, ducts, and equipment furnished by the Contractor Including miscellaneous steel. Supports, guides, and guide brackets. The use of small hand tools and all. special tools requfrod for erection of the equipment to include transporti.Mon costs to and from the job site, '.Chia includes chain falls, come»a.longra, rigging equipment, tuggers, chokes and other handling devices. All necessary connoctioni for the Owner's piping and instruments. Temporary cloaurea for pressurc parts for hydrostatic tc!sting, All piping integral to or between any equipment furnished by the Contractor, Not lcsu than thre(; canq)lete sets of Plexital.lic gaskets for all f4i,ngr.d valves, manholes, handholes, and tube access holes. One set of gaskets shall be installed when the steam generator is erected and all gaskets shall. be replaced after final cleaning of preelsure parts, One set of gaskets shall, be delivered to the Owner for, future maintenance work. Alwnin= coupling guards for all. exposed shafts and couplings, Gaa and air ducts for interconnection of a1.1 equipment furnished under these: specifications, Flexible huses and shutoff valves for al.l, permanent oil piping and aspirating air connections. Piping and insulation for soot blowors if included with the air preheater, including control devices. Llectrical wiring between burner control equipment items mounted on the boiler (Alternate Burner Control System). {(SUMM GS,;41`RAT0R - M-34.+) DS .p Shutoff valves for all. temporary nrrpiraung uS r "~,nncnti~>nrr. Welding rod, weldI og machines and cquipme (Ant,I, Erig e:quipmont, oxygen, acetylene and Inert gases. Field office l.nelwing furnishings, suppl.i.ec, rand equipment. Field ofi'ice telephone service. Compressed air supply. Chemicals and nitrogen gas for (Leaning operati>nr; , Stress relieving equipment. Safety equipment. Pipe machines, drills, and power tools, Mobile equipment such ns trucks, cranes, and automobi.lco, Removal of temporary structw~cs erected by the: Contractor. Chemical. handling equipment, temporary chemical piping and va:Lves for cleaning uperation, including dirrposal of i5porit chemicals, Temporary wiring - the Contractor shall connect to the Owner's disconnect twitches and shall furnish and install all temporary wiring and proteeti e devices to his electrical construction equipment. 't'ransformers for devices requiring other than 480 volt, 3 phase, 60 eye].(, , power or 1'20 volt, single phase, 60 cycle power shall be fur.nishcd, installed) and connected by the Contractor. Furnishing crud installing all temporary lighting required in the field, erection of steam generating equipment. Shoring, blocking, and sheeting for storage purposes. Sanitary facilities for all of the Contractor's employees, (DENTON, In,XAS - 37P5 ) (STEAM GENERATOR - M-34A) l)G-3 h'urnished 6y tho Owner; '111() Own!rr' wilt. f,urnir.h I;tte 1'ul.l.owili({ lste'd In, ter tall: er:rrE sr:rtrleer; to thu, Oollf.rn' Loi I'nr use n"; I;he job nit's ai; such tlmee, p~,irrr;s, urlrl manner as unii,t1!i11.y a„r::ud upc,li bc•Awecn the Owner and bhe contrr:-i"01'. Found, Aonc, l'oundto ,;n bol l,o, alit] i.uoN'1'r In EI(!utI,Ie noweI, at a H3.I I (r~LL supply poi,n0L ut 4PO YC)I1i13) 'phase) (0 c.ycd.e and 1,20 voli,s, slrimle pkra.se, (0 cycle, A fur3ed disconnect ,witch w:f1.1 bc, provided by Ow Owner for each of the ],we volta(,e 'uppl.icr, . Compressed air I I~ contra:Lrs at 60-140 psi supply pressure, FuOlrj for 1'irirtg Ili the stcum generator furnace for builout, start- up, and teats. Lubricants for machinery furnished with the steam gonoratbr. Operating personnel. Lo operate the Stearn generator unit during the boilout, Ftart-up, and testing operations. Permanent electrical wiring to cl.ectri,:al equipment furnir3lied with steam generator, Piping, except as otherwise specified herein. Finish painting of the steam generator, Water for flushing and filling the bailer. Access platforms, grating, han(lraili.ng, and stairs in the areas adjacent to the steam generator. 2Y1'I1,. '111c steam generator shall be of the pressurized furnace, outdoor type suitable for as and oil firing, 'llie eteam generator shall. have a irel.ded Inner wall, The steam generator and associated equipment nhall be arranged for efficiency and econnmy of material, erection, oper&t;ion, and maintenance. Each bidder shall submit with MD bid proposed arrangement drawings of the unit. All valves furnished with the steam generator Wiall be located for convenient operation from access platfo~,ms, DENTON) '1EX0 - 37,25 ) g'1 UM GENLftA'1'OR - M-34A) I) ~-1( DES ION C014DITI'ONS, The steam generatnr and a,1.1 au;ti.I.iary cqul.p+rccnt uhall, be clenit,ncsd for operation un(ier the following c:ondi.tionfj; 5c4) Continuous Continuous PcakinL,, Rutc:rl Gapuci flatecl cakacit C~ac.it~ ruperhentcr ouLlct: Steam flow from euperheat.er, lb per hr s!65,ooo 530,000 %X),000 Steam prenoure at outlet, psi 1263 11300 I V3 Steam temperature] L' 955 955 955 Pressure drop, maximum psi 80 Poed water temperature at cuohomizer inlet, 31(> 1+1E 5 lo Desuperheating water temperature, F 255 DO 31,5 Steam purity, maximum total, solidu, 131m, 1.0 110 1.U Furnace cooling factor) Btu/scl fL/hr'x 1651000 Air temperature to FD fans, F pp 80 fki (uee fan design co.,ditions undor "Forced br'aft Pan") Air heater gas outlet temperature (uncorrected), 1 .300 Bidders sh,Xll atatc;, in the space provided in "Parforr(ance Data", any 11mita.- tions applicable to peaking capacity. The maximum tnllowable working pressure shat.), be the maximum drum operating pressure p).us 125 psi., "furnace cooling factor" shall mcan the beat available per square Diot r31' furnace heat absorbing surface (PARS), This surface (EMS") shall, be of the flat projected area of the furnace tubes and extended metallic surface exposed to the radiant heat of the furnace plan the area of the plane of Lhe furnace exit. Heat available (13tu por hour) shall mean the higher heating value of Lhe fuel, less radiation losses, unburned combustible, latent heat of the water in the fuel and that formed by the combustion of hydrogen in the fuel, plun the nen- sible heat in the combustion air, all above ambient tempevatuure, Revined in accordance with Addendum No. ) M ITON, M, XAS - r,25 UM ON ENATOR - M-34A) L -y FU MS. Specified capacities and design chura(A cristlcti shrill, be based on natural gas which shall be burned without: undue triaintonanae, rcduct:ion in operating availability, or other operating difficultlou which wou.1d be haznrdous to equipment and prrsonnel. 11'ho Tollowing It; a I;ypical analysiu for gar, firing; Ar~ulys f u Cl14 Methane 90.0 0211& Ethane 5,0 I NP Nitrogen 5.() Specific gravity 0.60 Pleating value, Btu per standard cubic foot 1.00 f' Fuel oil. will be No. 2 commercial. grade. 1sEItF'ORMANCE gUAIiAN' M AND `NESTS. The equipment; shall operate safely and rel la- b],y~ card thoutund a ma me nee or attention from its operator, and sh.nll satisfy guarantees in a manner as can be met In everyday operations under all. specified and under all guaranteed operating condiLlonn. Guarantees will be subject to the provision that the internal heat transfer surfaces are kept clean and free from scale by proper food water treatment. The manufacturer shall guarantee the performance of all equipment when firing natural gas at the continuous rated capacity to be as specified herein and as stated in Performance Data. The overall efficiency of the unit, not rosist- anee lasses, steam pressure drops, and solids in steam leaving the boiler shall be guaranteed for continuous operation at continuous rated capacity. The continuous rated capacity shall be demonstrated, to the full satisfaction of the Owner, by operation of the unit at that rating for a period of seven consecutive days. The manufacturer, shall guarantee all equipment to produce the peaking capacity when firing natural gas and to meet the steam temperature, pressures, and other results specified for peaking capacity. The manufacturer shall state in the proposal, any operating or time limitations or special operating procedures which apply to peration at this peaking capacity and, subject to those limitations, the unit shall be guaranteed to moot the design conditions specified for peaking capacity. The steam temperature at tho superheater outlet shall be guaranteed to be obtainable with normal, surface conditions in the furnace. Thu Ownr-r will make all tests using plant, instruments and such toots shall be binding on the parties to this contract to determine complirnce with guar- antees, Ito Owner will cali,brato the plant instruments insofar as practical and will, take account of i meanurea quantities in a reasonable manner. The gr!neral methods outlined in the ASME tent codes will be used as a guide for c,ll pr0oeduroaj however, code technicalities shall not invalidate these tests, . STA.AM d''Ii fMLTOR " M-34A) to-6 In the event of departures from guaranteed performance, the Contractor ah411, without coot to the Owner,, immediately modify the equipment an required to give the Yuarantoed performance, b'UP,NACE AND I3OUXIM4 the furnace and boiler sha.ll bo top supported, of the pressurized racl rent t type, and with burners mounto(i In the front wall of the furraioe , 'The envelope for the furnace, superheaters) connection and boiler surfaces, economizer if apeelfied, and all other wall. roof or floor areas, shall be of completely pre;isuretight welded tube-wal.1 construction from the combustion air inlet to the gas outlet. Tho furnace shall be designed so that all the radiant water wall surfacer, re- quired shall, be installed in the walls, roof, or floor of the furnace without the use of division wall,n or platens, or other surfaces projecting into the furnace. Reoposals will. be accepted for bottom supported units and for units with til-cing tangential burnern located in the corners of the furnace, as described in further detail herein. Drumas All. drums shall be 'fusion welded and shall be of sufficient length to extond beyond the outside of the boiler setting. The inside diameter of the steam collection drum shall be not lose than 60 inches, and shall be provided with a 6uitable system of multiple separators the full width of the steaming tube bank to effectively prevent carryover, The interior of all drums shall be dandblasted and coated with an easily removable corrosion preventative material before shipment. Provision shall be made to adequately and effectively seal the d7,umn at the setting and casing lines. Continuous steel rings shall. be welded to the drum heads to protect and nu'E;port the insulation near the manholes. Drums shall be provided with all required nozzles and connections including but not limited to the following; road water - 6" Pressure gauge - 1" Safety valves - an required Chemical feed - .l" Gauge glass - four 1-1/2" Continuous bloudown - l." Feed water regulator - two Water wall header b.lowdown 2" 1-1/2" Drum vent l-1/2" Drum level indicator - four Stoam sample Conn from drum - 1" 1-1/2" Saturated steam - one 2" Nitrogen inlet - one 1" All connections 2 inches and snialler shall be plain end nipples for socket- welding connections, All connections 2-1/2 inches and larger shall have beveled ends for butt-welding connections or shall be ASA flanged, as approved by the Engineer, MNTONi TMAS - 3725 } ~8MM GENERA.xOR - M-34A} Thee drums shall be provided with all necessary drum J rntcrrnal distributors, baffl.oo, shieldo, and :Ulternal piping. Whorover possible, dru'ns shall, be provided with shop woldcd stub luben for field welded conneetions to boiler tubes, Manholes. Manhol.os shal.l be provided in both heads of fiil drums and ohal.l be rcluJ.>>psd with all. necessary plates, bolts, yokes, uankets, and other accessories, Manhole plates shall be hinged for ease of handling. Manholo openings shall be manufac'turer's standard or not less than llr inches by 1.8 incites if oblong deaign or 10-inch diameter if round, A hinged. insulatod steel cover shall be furnished for each manhole. 9.'ubes. The t;ubos shall be of the best quality hot, fininhod, steeJ, tubing, All. tubori shall, be '6ru.ly circular, free from blisters, seals, arn3 mechanical defuctn. Shop wolded stub tubes dhall be provided on drums and headers where. ever possiblo, and boiler tubes shall be welded l;hcreto, Wiere the use of stubs is riot practicable, tubes shall be installed in the cuotcmary manlier. The boiler shall be designed ioith special reference to the east/ removal of the tubes and the cleaning oil both external and internal, surfacon. Means shall be provides; for easy removal of superherlter tubas. Cleanout and Tnapection Iborn. Cleanout clooro and frames for the space occupied by the superheater, the spaced between the tube banks and drums, the furnace and other spaces requiring accedn nhull be furnished. Moro shall be not leas than 1.5 inches by 21, inches. The bottom of the last pass shall have access clooro on both sides of the setting, All doors shall be designed for fastening to the casing. Access doors required for tho furnace and other areas of high temperature shall be pzovided with a refractory .lining, All doors Shall be hinged and shall be of the single screw clown type or handwheel operated. Doors of the bolted flange constl%otion will not be acceptably.. Observations Forts. '.Clio furnace shall be provided with an adequate number of conveniently ocal,od observation poste including observation ports for viewing all, burners, pilots and for inatrumont connections. Obccervati. ports shall be at eye level, The exact number and location of observation perm shall be subject to thef,ngincer's approval. Observation pored shall be eapeciall.y designed and shall be of the air cooled glass window type and provided with a means for replacement of the window glass whil.e the furnaec in in operation. The observation ports nhrisl utilizo cooling air from the discharge of the forced draft fail. All. necessary cooling air supply ducts, flexible hoses, piping and valves required to Im;eroonnoct the fan and the obsorvation ports shall be furnished, The routing and details of the cooling air duct flow oystem shall be subject to the approval of the Ilzrgincer so that the system may fit the overall plant ds;iign. Cooling air duets shall be constructed of seamledn steel pine not loan than 3/16-inch wall thicknesn. Pipe fittings DENTON) TEXAS - 3725 STEAM ORNERATOR - M-34A) shall be used for all changes in direction of piping„ tntorsections of piping and changes in piping size. All fittings shall have nmooth rounded contour and be designed for welding connections. Mitered fJ.ttingn and branch welds n;ill not be permitted. All cooling air required shall be provided by the Corrtractor, r`urnace. 11.E furnace walls, bottom and roof shall be completely water cooled. }refractory shall be provided over the tubes when required to protect the tubers or to obtain proper burner operation. Tube spacing at the furnace exit shall be approximateiy 9 inches, No center wall shall be used in the furnace, *'fhe lower drum shall. be provided with two 2-inch drain connections and tandem drain valves. The drain valves shall be constructed from materials rhich will not be damaged during the acid washing operation. These con- lections are for acid wash and chemical cleaning of the boiler and are in addition to the connections required for normal blowdown of the header. The furnace tubes shall be adequately braced and guided by a suitable syntom of buckstays of ample strength to prevent vibration of the tubes. The manufacturer shall furnish adequate instrument and sampling connectir>no. Internal piping, if required, shall also be furnished. '!be number and type of connections furnished shall be subject to approval by the Engineer. If the unit proposed in of the tangon.Lially fired type, the bendouts and access door shall. be provided in the upper front wall or roof of the Furnace for installation of a television camera of the ",lens tube" type, Caning. The furnace, boiler, and superheater sections of the steam generating unit shall be enclosed in a preasuretight insulated casing. The casing shall consist of an airtight inner envelope, a layer of casing insulation material. Installed on the outside of the inner envelope, and a protective metal outer casing. 'ihe inner envelope shall consist of the tubes themselves Joined together with welded steel filler barn. Min insulation shall be provided with an outer casing of suitable strength and desien to protect the insulation material from damage, The outer casing or lagging shall be as specified herein under "Refractori9s, Insulation and Lagging" Removable insulated plates shall be proviuwd foi- access to manholen, hand- holes, and tube access; holos, Adequate provision shall be made for expansion. All couplings and sleeves for instrument connections including draft connec- tions shall extend through the casing and shall be constructed from 13-8 stainless steel. Revised for contract I., sue. (Dr4TON, 'i7;XAu Y M5 (STEAM OENERATOR - 14-34A) DS-9 GAUGE GLASSES, 'rho following equipment for boiler d.run, water level indication shall be furnished; One Yarway multiple port; type water gauge glasn nnsembly complete with support f•-,?bes, One incandoseent illuminator for the gauge glasrs nuitable for 120 volt a-c- Two 1500 lb forged stool blowdown valves, bwo 1500 lb forged steel isolating valves, and two 1500 lb forged steel chain operated water gauge glass shutoff valves for the valve glass assembly, All necessary piping and supports. Two blowdowr valves shall be installed in tandem on the water gauge blowdown connection. All blowd.own valves shall be operable from the operating floor level.. Special isolating valves shall be installed between the drum and the gauge glass. Chains on the water gauge shut- off valves shall be of sufficient length to '+e operated from the next lower access floor level. All piping and aceen,sorfes required to mount the water gauge and to locate the blowdown valves at operating floor level shall be furnished. One system of mirrors for viewing the gaugo glass from a convenient, position on the operating floor. The system shall include one or more corner elbows, aluminum eight tube, and mirror floorstand. Tho system shall include provisions for viewing the gauge glass directly from the drum floor level. Supports and brackets for the water gauge, illuminator, and blowdown piping shall be furnished an required. Arrangement drawings nhall be furnished to the Engineer for approval, Two complote nets of spare water glasses, gaskets and valve packing shall be furnished. SUPPORTING STEEL. The steam generating unit shall be furnished complete with all necessary steel roquired for top support of the steam generator, and for support of auxiliaries from concreto foundations. The supporting steel shad be designed to carry additional loads from access walkways, stairs, and piping supports furnished by the Owner. The steel shall be punched for connection of the owner's supports. The main structural frAme shall be designed to (DEMN) TOCAS - 3725 ) STEAM GMDRATOR - M-34A) DS-10 withstand wind loads of k10 po an Lnids per square foot, AVOW, shall be measured projected areas, and the structure shall be desiNnod to withstand wind loads In any direction. All, column bass platen and subnol,cpl.ates shall. be furnished by the manufacturer. Alternate proposals will be coneidered for units drsi(),ned for a bottom supported steam gc;icrator, A charge of ]l ,000 will. 1)(! made against proponu.ln for bottom supported units in evaluation of bids. All structural steel Shull. be designed in accordance with the standards of the All field boltedusing thehCostrength ntractorbshall furn:ishiall,bolting material.s connections required a for be field conncetionn. SAl'P1'i1Y VALVT8 'Ilia steam generator shall be provided with r.A complete system of drum and suporheater safety valves of types) giros, and capacities to meet the requirements of the ASME, Boiler and Pressure Vessol Code. All safety valves shall be Potter, All safety valves shall be located on piping or equipment furnished by the manufacturer in locations providing adequate flow areas. Locations should be avoided which would allow the passage of foreign partic.leu which could damage valve seats. All nafoty valves shall be provided with gage and weather protection hoods. COMBINATION TION ftMU VALVE. The Contractor shal.1 furnish, on the superheater outlet portion of d' munuf'acturor's piping, one combination superheater blow- down and relief valve, an manufactured by Fisher Governor C,)mpany, complete with closed position limit switch, actuator, cauiliary reg+zlators, and switching valves in accordance with Fisher Dwg. BK 3507. The relief valve shall be provided with a 3-inch, 1500 lb, pressure seal jTAte inlet valve especially designed for extra strength in this application. All piping required for the inlet piping to the relief valve shall be furnished by the Contractor. The pressure seal inl.ot gate valve shall be complete with a valved bypass, consisting of two globe-tyno valves positioned back 'to back. The Contractor shall. furnish, for installation by the Owner, a remotely mounted pressure controller for the combination relief valve. A panel leader will be furnished and moutrted by i;ho Owner on the centralized bo'lcr control panel. ''Ilia pressure controller enclosure shall be suitable for outdoor installation and shall, be provided with a strip heater. Two 1.500 lb shutoff valvos shall be furnished for the controller pressure line. All electrical equipment shall be suitable for operation with 115 volts a-c service. 115.047 VMM4 Two blowdown valves shall be furnished for each blowdown connection. blowdown valves shall be suitable for passage of acid wuch and shall be of a design approved ay the k;ngi,neer. Showdown valves 2 inches and smaller shall have socket-welding ends. `Me two blowdown valves on the lowest header shall be 2-inch socket,-welding typo. All blowdown valves shall be Yarway. DENTONo TEMS 3725 ) S'iT~1M GENERATOR - M-34A ns-11 All necessary piping vn4 fol•ged steol f1GU1iLs betwoort bl.owdown valves and boiler shall bo furnichcl by the (''ntractor• '.Phe arrn.n(,r;rncrrL sha11 have the approval of Lhe BrIgi rieor' Ml {iI,hANI!,OU;9 VALVES. '1410 conl;ravLor rhaal Atrnirih 1x7.1 rid fie(Alaneoun small valves for a.ll piping connectionn to the E3Leam generral.(,r unit, All con- nec.tiorrs shall be double valved and shall not be less Lhan one-inch nlze. 'Mie connections :for w1d.ch valves nhal'L be furnished IneWda, but are not necessarily I Irni.ted to, tic following; Water level Indicator Water level recorder Peed water regulator I]aturatcd ntearn Drum pressure gauge: Chomi.cal. feed Continuous blowdown Drum vents Superhoator vents Superheater drains Steam sampling Combination volief valvo contro.llor pressuro line Nitrogon inlet All. miseol.laneous valves shah bo Yarway with alloy Fitee.l bodies. Valve internals shall be ^emovable through the packing gland, 'the valves shall be subject to the ngineorIa approval. IFBED W/tIMB MIMS, The Contractor shall furnish one Crane 1%30 lb prossurc soa.l Vi nrtet eel-;line stop-chock valve for the economizer inlet on the strum generator or Crane separate stop and check valves at the Owner's option. A1.1. necessary pipe and f'lttings betwcon the valves and the ntoam generator be furnished by the Contractor. The valves shall be located so that Lila handwheel can be conveniently operated iron, an access platform. d'he valves shall be provided with an impact type handwneol. Thn, valve loontion and routing of the interconnectiug piping shall. be subject to the Lngineer'ri approval, w]U1~ENHPJI'i'Ll;. '!'ym The superheater shall be of the c nvectien or combination connection and radiant type. Mie superheater shall be designed for satisfactory operation with natural gas and fuel, oil. firing. into the space in which the suporhouter is placedAforrieunvenien~c observation, provided maintenance, and cleaning o.i' tho superheater. Surfaces at the furnace exit shall be spaced on tube centers of not less than 9 :Inches. St;ecun Outlet. lbe superheater outlet header shall be provided with a suit- able 0..inch butt-welding outlet connection outside the casing, 'the super- heater outlet header shall. be designed so that piping thrust and movoment D1,NTbN, 1flsx0 - 3725 ~SIUM GMURATOIi . M-34A) DS•l.~ incident to steam lino expans:lon will 31st; cause excaar,i.va otrosuos or lockage in ha olvinenta. Tn addition, i.f required by the pipinN arrangement, the uup01'heaLar sllal.l bo dowIgned 'Lo carry a maximum addl ti anal. lord of 1.00000 pounda :Inpooed by the Ovinor's maul frLeam piping. Ac.cesf3oyIos. W:ibir the; uupe1,11aawr 13111111 be furniohod (01 neccusary headers, elemen',s, c]amprf, uuppor t'a, handholes, vont and dra.ln openings, and dviin val.ven. '111crrnocoup.la tetrL we:l.,ls wi,.h extennion ntemn to clear insulation shall. bo provided in tho rsupcrheater inlet and out:iet, loaders for Lost and permanent; thermocouplon, Viermocouple wells shall be of solid one-piece construction and riliall be threaded for field. inotalilatiarl in the headers rtf ter all b,l.owdown han boon completod. 11hennocoup.le wo:l.1 material shall bo of art alloy equivalent Lo tho material of tliv ouperhoator headers. Additional wells shall be suppliod as required to accomodato the Owner's steam LemperaLure conurol. and inutrumont equipment. Arrangwont. The suporheator outlet connection shall be on tho front of tho steam g ;Ator, "Front" shall mean the nido opposiLe the sldc where; the gan outlet; ivid. regenerative air hpator are l.oaatod. Me suporheater outlet nozzle shall be lootr.ted approximately in the center of the header for urlii•orm flow aonditiorlo. '1970 0uporhoater shall. be provided with a suitable connection and inolating valves for backwauhing, testing, and introducing n1Isogon Into the system for shutdown. (DENIUDN) '12M.0 - 37p`; (CMAM O,, B11ArOR - M-'311n UU-13 M)PEI HEA'i' CONT1101i. A parbin.l, nyrjtcm oJ' cul>arhoat corrl:roJ. ahccaa. Im provided. 'f.7ic t;uperlicat control uynLem shalt. mrcinta:ln the superheater ou1;1o6 Ertuara Isemperrrtclrcn w.ll,lclir 10 F plum or ml.nun of rated datilgrt temperatures when f1r~tn(; gat" ovar a Lead ralige from 50 por coal; of Lhe continuous rated ck.►pu.cll,y to peaking capacity wi ,h tho mJn1mum food water trmprrraWreii upeeiflod, A'1:1, required control. val.ven, control. clrivou, clampert", ul,rayt" and abhor n:lutllar deviceu Mall be furnished by the Contractor, MA.:inntrumentt" and preventive control clevicc;s w:il.l be furninhed by others. Openingu for bempornture doviceri nhal..l bo furnished an directod by the Engincer, 'l9ie control cyntem chal.l consist of a primary control utilizing regulation of 'Clio temperature or mane flow of flue ganen acronc the auporheater or by use of surface type lieal; exchangers installed. in the nupenccater system circuil;, and a secondary control. utilizing dcnuponcvating nprayn in tho superheater steam circuit. Control by regulation of the excesn air percentages shall riot be utilized. Preference will be given to clesuperhoating spray syntems for the ce~-mdar•y control which do not require the use of u boiler feed wager in,jectiuu wIatcr supply. Tlie primary control nyotem shall maintain the specified uteturi temperature) with steam generators lends ranging from 50 to 1.00 per cent of continuous rated rapacity without the une of the secondary control. sya0m, 'i'ho nocondary control nynl.em shall maintain the opeeified steam tornrerature with steam generator loads ranging from :1.00 per cent of the contit,uourj rater] capacity to the peaking capacity, 'ilia food water temperature upecif.ied ,J; the peaking capacity 1hal). be arosuncel for all loads In this range, Me Contractor shall. furniuh all neconuar surface, type nprayn, control vttlves, and control driven for dtunpers andtburnerntilting meclani amn, .7he primary control system shall. be provided with handwheeln, levers, Unkagos, and other apparatus an required to permit direct manual control. of the steam temperaturec, If gas dampers are unecl, they shall, be located in the low temperature zone in the boiler, If the denign of the suporheater is such ars to hive a reasonably flat super- heater temperature curve over the entire specified range of operation, a cinglo nyntem of control utilizing boiler reed spray water injection will be acceptable, Control. Driven. Control drivou for dampers and burnor bilting mechanisms shall bo pneumatic cylinder operated complete with positioners, capable of dove.l.oping ample npno(l and torque with a supply air pressure of 40 to 60 pui, DENTON) TEXAS - 3725 IMAM MM, IATOR - M-311A~ DS -1i+ 1)(impor drl.ven shall. be totally onol.oncd) suitab.l.c for oul;door installation. Slurnor Ult driven may bn of the "stripped" type but 0111t11. be complete.l.y proteatorl ngainm; (UrL and weather. Drivon shall. be donigncrl for actuation by remoto pilot pneumatic nilnals. Drivon shall be mtsrtul'q,cturosl by Bailey Motor Company. Control ValvFonn. 'No fu.ll capacity npray water corrtro:l valvoo and one block valve eha,ll be provided for each spray nozzle. "pray water control val.vou and block valves shall. bo of the pneumatic diaphragm, romoto operated, spring cloning type wide body material and prennuro el.aon adequate for thin norvice. 11111 valves nhal,l, he provided with otainlens steel. ntemn rind ntolli.te faced neating nurfacen and stellito faced guides and guide buohi.ngs. 1Rie va,lven shall have porjlUoncrn, cooling flnn and hand Jacks, 'Die val.ver, shall be of a manufacturer and typo su:!tublo for maximum differential prououre an rxpproved by Lim Enginoor. Valves shall be manufactured by Bailey 14eter Company, PcrformanCe, Curves. Each proposal nhal.l Include porformrtneo curves for the tomporature control nyu0m. 'ilia curves shall indieate the follon,ing para- meters all. plotted an ordinates againnt steam generator 'load[) from 25 per cone of the continuous rated capacity to the peaking capa("Yty using the specified recd water temperaturenr Uuperlicater outlet tomporaturen, uncontrolled. Superheater outlet temperaturon with primary control only, . Supenccater outlet; temporaturen with secondary control only. Superheater outlet trmperaturen with primary and secondary control superheater. Superheater npray water flow quantities: When nccondary control only in in operation, When primary and uocondary control in in operation, 1;CON MIZER, General. An economizer shall be furnished and installed an a part of the steam generator furnished. Imo , 'Sae economizer shall be of the c:ontinuoun tube type denigned for high water and gas flow velocitien for effective heat recovery. /tll tubes nhall be no spt,,ced that the heating surface can be cleaned by standard soot blowing equipment. The economizer shall be designed so that feed water an' combustion ganea are in countorfl.ow. . UNTO) TZXAB - 3725 LITVAM GEWRATOH M-34A) DO-15 19z: econorn.i.rer I,euders and tubes shall, be supported on W,ructural steel memLrcro, Ime supports anal.l be designed to allow frc;c cxpanofon of all prenaure parUi and to prevent expansion otre lic3, , in the completed structure. L':LI1%, 111 rogcrired pi pIng and tubo asaembllen filial bo furni.ohed by the Contractor, 'tore Inlet rtnd oui;l.oL I,eaderrs shall, be conntrunLed and r;.nchorcd no that p ping LhruflL incident to feed water ll.ne expansion will not cauue excosnive ntresnon or leakage in the elements. 'file feed water piping from the boiler food pumps to the oconomiv.er rood water stop and check valve wf11 be furnished by the Owner WL will be supported by the uue of spring hanfers, Aceasnorien. With the ec;onorni.zor nhall be furrilr,hed all necessary headern, elementsa c:Larnpn, supporto, handholoo, vento, prorysure gaugo and drain openings, vent and drain valves, and thermocouple, toot wells. 'Morrnoeouple test wol,lrl shall be of solid one piece ntainlenr:, stool construction. All vents, dralno, and pressure gaugo connections sl?.rrll. be furnished With two; valven in tandrut. A9E' !i!t'1'1NU A:lli CONNIZTlONS. The Contractor shall furninh the Engineer a 11W, of all temporary and permanent aspirating air supply connections requlred. RllGf URA'f:tVi1 A11 HIJt'17sR. ._._A e, One horizontal. shaft regonerative type air hSaLer ahal.l be furnished complete with rotor, housing, bes,eingn, drive motors, flanged air and gas connuctionn, cloaning devised and all other oquipment uecesnary to providc a complete unit, Rotor. The rotor of the air heater shall be constructed on a heavy steel shaft, of nVol plates, with corrugated metal heat transfer olemento. The heat tranrsfer elementu shall be factory bundled and denigned for eany replacement, '11ie cold end elemonts and banketo shall be conotructed of "Cor•-'fen" corrosion reointing alloy, The shaft shall, be mounted In bearini,s of a type suitable for both the ra(tial and axial thrust loads imposed, 'Iho bcaringD shall be oil cooled and a complete system of lubrication and cooling shall be furnished inolud:ing Plectric motor driven oi.l pumps) air r;ool.e;l heat excltanrer, Interconnecting piping, thomomotcrn, and accenr;ori.es. 'flit rotor shall be equipped with suitable seals eopecir:lly designed to reduce leakage. Water for bearing cooling will. not be available. Tho lubrication system and lubricants shall provielo adequate lubrication of the bearingr, with ambient tomporatures ranging from -20 1.1.20 r and during a hold start-up with -20 F ambient, liaua. `rite housing of the air heater shall be the manufacturer's standard and shall. be provided with flanged connections, drilled for connection to both inlet and outlet gas and air ducts. Suitable access and inspection doors shall be provided. The access door shall be located so -that the cold end elements my be replaced without dismantling the heater housing. Rotor Drive. the. rotor shall be driv(;,n through a suitable speed redur. ion gear by means of an eleotric motor. D ENTON) '1'1 XAG - 3'x25 61M M C18NERATOR - M-311A) D I-1G 'i7to inlxt't t+h,Lt't to the reduction gear filial: he doubl,- , (:ndr,d and shall be providod wil;li Fari adjufitable filmed air motor clr,lvu, 'Ilic fair driving t,^otor clutclren and nocescury accessories filial.l. be f'urni.nhod, 'ilia rotor (1rJ vo nhal 1. It i ro be I)rovicled 111. th it hand crank or other sui tub Le means for manually dri.vl tig the rotor. -Leanira DcyAco A winter flooding nyntem o,nd art electrically driven con;bl-, nation nteam c.loaning devico complete w-lth alt acceosor:los including a.l.:L piping and valuing from the boilur steam connection to the cleaning; device shall. be furnished for installation on the gas Bid(,, of the air hea,tur, 'The eleantril, nozzlo shall be mounted on a fiwinging arm, iho movrment of which uhu'l.l. be controlled }ry means r)f' a 120 volt, E:0 cyc.lu totally enclosed single phase motor. Art infipeotion port with glasta window and vaporproof light shall. he furbished J.n the Fair inlot duct to each air heater, Acccfle Laddore, 't'he regenerative air heater shr,l.l be provided with accuss 1.adclors for oCmm'.ing and maintenance personnel, SOOT I3LOWEW). Wall boxes, sleeves and clocurc;s, required tube banding, and c'lemcnt boarings nhalll be furnished for future hoot blowers for use durinr, fut!are contfnupufi W.I. firing, 7.'he number, size, make and type sliall be aS recommended by -tile soot blower and boiler manufacl)urero and ac approved by the Engineor, Mie location shall be such aa to avoid interference with manholes, aceet36 doorfi, inspection oponings, walkways, supports, and other operating devises or objects, Wall sleeves shall be nuituble for the type of setting offered and sttitabl.o for the service temperature, Except as specified for the regenerative air heater, hoot blowers t9hall not be furnished. , DENTON) 11EXAS - 3725 STEM OBN1;RATOR - M.34A~ m-1'( FORCED DRAFT FAN. One Sturtevant, Auneriean Standurd, or Air PreheatAr CorporaLion motor driven forced draft fan filial). be furnished complete with two motors. '111e slow speed motor shall operate al; approximately one nnychronous speed step lower than the high speed motor. f17ic fan rlsall be of the horizontal centrifugal double inlet type. Ali, "low shall. be controlled by dampers, in the inlet boxes, fipeea. Ube fan speed ahall not exceed 1,200 rpm. Qupncity. Tho fan slrall produce a -Lots]. utatlc pressure (iL the fun outlet oqual to blip rum of the following Increments of pressure rerluiremento in addition to the fate dirchai,go volocity head) and without Lhe uce of nu cvaau vel.ociLy recovery aocti.on at the fan direharge, whon the Pius is discliarging the total theoretical ai.r requirements 111u0 25 per ce:nL excesrs air plug air licater leakage at the perking capacity of' the unit and ir.Lth an ambieut uis' temperature of 115 F. 7btal frict:lan :Lorjaor through the air rf.do and (;Uri aides of 010 entire steam generating unit under normal dirty eon<l:it;.+,onr, including loasce throucSht *Inlet boxer; and sound trunks Rai.nhoods Air ducts Regenerative air heater (rIir side and gun nido) Wind box and burners Furnace and bollcr Superheater Gas ducts and rJtack I:conomiler P.l.us an allnwane:e of.' 25 per cent of the normal lour through the; air heater for ununua.l. foial.ing of the air heater (air aide and gran sldr,) , Plus an allowance of not .leer; than 1.5 :Lneheu to provide flexi.bl.lity r f r.on Lrol at mtaxl mwn .,[and. Pius the fan discharge velocity head. l ouri:i.r s, '1110 fan housing, scroll, side sheets and inlet venturl. rsectionrs rliul.l bu constructed from wheel plate not legs than 3/f3 inch thick. AU J0111-LO except 010 ;joint for the removable r4ctlon ahU11 be made by continuous we.l.ila. A removable necti.on in the fan housing ahul.l be provided to permit removal, of the fars wheel. '1110 removable section ,joiner shall be of the bolted i'lange type and s11all be provided with uobertor gankots. Ynn inlet boxer, rhnll be provided and shall be vertical. ran dD chpvf;a s,ha11 be hori- nntal. '710 fist :Lnlot boxes nhall extent 10 feet above the fan floor, xPainhoods shall bo ful,niuhad for the fan inlets and sound dampening deviccr shall. bo incorpovaLrd as required to limit the sound prennure level. in the Lhird octave to 85 decib,:l.sj at 10 fact from the entrance of the inlet boxer. K Revised in accordance with Addendum No. 1, (UV1101,1y TMAb - 3725 ) (k'UH M GEN t/l'1'Oll - 14-34A) us-'18 www~ Rotor. !'he rotor shall be of center or backplatr, conr,Lzuction, rigidly constructed to withstand the imposod strooses. Tho rotor shall be carefully balanced both sL•atical.ly and dynamically before being placed in operation, The fan ahal.l be no constructed that the rotor can bo oasily removed for inspect.i.on and maintenance. Pan blades shall be or the "air-foil" type. Tho rotor, ehafL, and bearings nhall be of rugged donIgn to withstand operating unbalance. Bccari. Bearings shall be air cool-Oct split aleevo type designed for ring oi.l lubrication, mounted on fabrl.catod steel pedostalo and separate soleplatcm which are indepondent of the fan housinL;, Oil level gauge glasaen anct r,u:lt- able dust s(;als shall bo furnished for oach boaring. The bearing cooling system shall not require the use of auxiliary blowers, Boarings shall bo, conso.rvativoly designed with minimum unit loading pvossurr_,r; (Anil extra reliability. Dearing PV~2 factors shall not exceed 16,ooo, 11hol0 P la tlq projectoa bearing load in pounds per square inch and V is thrz beartn{ shaft porlpheral velocity in foot per oecond. St- _zafL CCx-,U lid; s, Motor and fan shafts shall be coupled with a1.1, metal gear type shaft Couplings "faot" or approved equal, Couplings shall be to shafts by prosy Vito anti keyi, Coupling halves fc)r motors shall be shipped to the motor manufacturer fir- installation by the motor manufac- turer in his shop. All shaft couplings uhall be provided with heavy guards as described it the General tpecificationa. Four copies of' the final al.ignniont roadinge for the fan and motors oha.1.1 bo furnished to the ownor. Motora c;fiall be doweled in position after alignment. Pan Jkzmners, The he fan Inlet boxes and the fall discharge shall be provided rrl.th balanced leaf dampers nuitable for uno with control drives, Damper construction ohal.l be as jpecified herein tinder "fk,mpura". Colltrol drives will be provided by the owner for tho dampers. 3,haft. The t"an shafts sha11 be conoorvntavoly sized and designed for adequate stiffrresu and utrength. The shaft shall be constructed from forged stool and shall be acourdctely machined (ill. over, lfighly polighud olirfaces shall. be provided through the bearings, 'Tg' aRi vature Detectors, Tompsratrzre detoetors shall b; furnishod anti in- stalled in each fan and fan motor bearing. Wtectors shall. bo Bdison Model. 166 NC, complete with connection hoads and all other accousory devicos, (DPNTON) =3 - P25 } (STEAM (}ENE RAI'(lt - M-34A} 1a5-1g Performance Curves. Tlach bidder shall submit with hi.n bJ8 performance curves for the fan offered, Curves; sha.ll have capacity in cubic 'eat of izir per minute as abscissae va)', b.rr:ke horsepower, static prannuro and fan efficiency as ordinates, Curver, obr,,l T be based on the ran exacL'.y a!3 proposed and shall not include any velocity presruro recovery beyond Lhr, Van ouL.l-t but shall include all damper losses. Speed-torque curves for t;(!IwLing motor drives shall. be submitted. DUCTS. 'Ilia Contractor shall. .('urnl.ah all gnn and air ducts requirod l'or inter- connection of the forced drai't fan, air heater) burners) furnace, stack, and other equipment furnished under these spenificaLionss. Net volocities shall be limited to 3000 :fpm at peaking capacity. All ducto hhal.l. bo constructed from sl;oel plaLe not lens than 1/4 inch thick, All field. ,joints in ducts shall. be flanged and designed for seal welding. Where angles or plates join breeching or duet walls to !brio flanges, the connections shall be made by eontinuous fillet weld. Holes in flanging anglou aoall be drilled to a template. A sufficient number of expansion joints shall be provid,:,l to allow for all temperature changes without deformation of structures or equipmenb. All expansioo joint diaphrnlnnu shall be of "Cos-Tan" steal, expansion ;joints shall have sliding fit plates overlapping in the direction v the gas or air flow maintaining the expansion joint corrugations free of soot, ash, or dirt deposits. A:L.l necessary hangers and hanger rods for top supporting all ducts shall be furnished, Hangers i9ha:l.l be designed for attachment to boiler or building framework using suitable brackets or beaus clamps, special attention shall be given to details of transition sections, openings, N-A access doors. The air heater, all gas ducts, and all air ducts except the duct botwoon the IUD fan and the air heater shall be insulated, All ducat insulation shall be furnished by the Contractor, 1)uct insulation and oas.infs shall be as specified herein under "Refrac- torios, Insulation and Jaggint". 'ilia air duct system shall. includ,3 a venturi section downstream of the air heater as required for moanurement of total ai flow to the furnace, 'Ao arrangement shall have the approval of the Engineer and shall produce aprroximately 2 inches water column differential at the bollor rated load, Air duct insulation and casings may be shop installed on the interior surfaces of tho ducts or may be shipped separately for installation in the wield on the exterior surfaces of the ducts. Ducts shall have access doors where required not less than 2k inches by Zit inches. nl NTON, 17=15 37 5 FJIVAM GENBIRAT01,1 - M-344) Du-20 DAW RS. ALL dampers shall be of the heavy-duty, balanced opposed blade multileaf type suitable for the maximum differential. pressures which may be encountered and arranged for either manual or automatte control. Damper blade material. shall be not loan than 3/16 inch thick and shall be not more than 18 inches wide. Damper bearings shall be of the, greasc lubricated antifriction type mounted externally and provided with pressure lubricating fittings and dust seals. Damper blades shall be linked together so that only one control connection is required, Linknge bolts and Vinci shall be con- structed of stainless steel. Damper blade shafts shall bo located in a horizontal position and shall be provided with adjustable thrust collars at the shaft ends. Damper blades shall be of the wrap-around construction utilizing two thinknesses of 3/16 inch plate. Damper frames shall be rigidly constructed from heavy channe:L sections or fabricated from steel plates with a thickness not less than 11P inch. Hand operating lovers, position indicators and position locks shall be provided for each dturper. Pressure seal packing glands shall be provided for each damper shn-t. Shaft extension if required shall. be furnished for attachment of co,;,rul drive linkage arms or levers. All damper leaves shall be in vertical position. STACK. The Contractor shall furnish a solf-supporting, circular stack, sup rted on the base, slab or from boiler st,ol as dictated by boiler arrangement. The stack shall be constructed of "Cor-Ton" stcol plate and shall be of all welded construction. The stack shall be designed for wind loads in accordance with ABA A58-1. The stack shall ey.tend 10 feet above the supporting steel or 1.00 feet above ground level., whichever is higher, stack shall be complete with paint%rs trolley and track and with :Ladder. `i'he stack velocity shall. be approximately j0 fps at the continuous rating of the unit. DENTON, TEXAS - 3725 STEAM OUNEIIATOR - 34A ~ DS-21 14UP08S. All motor drivos shall. bp furnished by Ulu (1olll;ructor for all equip- inent rurnished Guider these specifications requiring NIr)Le1' drives, All Inotors shall be shipped ^om',alrtely asucmblod and l.ubriento roady for operation. All motors ehal..l be sultable ror across the line atlurLing and shall conform In al.t respects to the :latest applicable NTMA and ASIA standards, The motor manufacturer shall. be All1.n~Chnlmers. All motor horsepower nameplate ratfngo shall, not be uxceedecl when the equip munt is operating within the Limits of the design conditions specified. Thu motor loading shall. nci; exceed the motor service factor rating on plant utart•, up conditions or at the equipment maximum load point, The motor charact;oris- tics shall be suitable for starting the inertia loads of the driven equipment. The following requiremenL•s shall apply to all motors to he furnished under those specifications= Type - Squirrel cage induction Voltage rating -lib volt, single phase, 60 cycle for motors 3/14 hp and smaller. 4110 volt, 3 phase, 60 cycle for Mors L hp and above, except 11000 volt- for 1111 fan motorn, Cons trixtion - Totally enclosed, fan ooolod, except weather protected NISMA Typo iT for IUD fail motors. Bearings - Oil. lubrica;cd s.leove bcn,rings for till. applications permitting their use, other. wine groase l.ubriaated ball bearings. Vertical motors shall. havo anti l'vie:t.1on bearings select'rd for ~5-year average .I.il.'e Immod on AIOD14A ulsandards and norvnal design thrusts, Verdes1 BlOtors arc; preferred with oil lubricated boui,ings. All. bearings siial.l havo cl.oau fitting covurs on both eia,is and a labyrinth F;l,ingor on hhc ou$hub shaft. All bearings shall, be sell'-LubricaLed with provl.uionu for rel.ubricatiug. Bing oil. Luhr;l.crrted ap.l.it uleeve type; for 1'p~ V fan motors. Winding temperatiu'e - 100 C for IOD fan motor, 1.15 C for athez's, by f'.hermemeter at rated conditions) and unuumed ambient, (DENTON) TIIXAS - 3725 (CIMAM GrNEUTOIi - M-34A) Ixg- 22 Ambient temperutur'e - Assume 60 C fu1' mol,orn driving air heater deviser; 110 C fnl ;,I;hm• motors, Insulation - Sealed Clash Ifx !'ok, I1'D fan motors, Claire 13 for others. Aervice factor - 1,15 for I'D fan motors, 1,00 for othern, lbrque eharnaterInHe - NPMA b (unless drivon equipment requires other torque (Wk's) characteristics), conduit boxes - Gaskntod, waterproof, corrosion- renistant, fabricated steel with sufficient space for making up ntroriis cones for FD fan motors, oast Iron for others. Motor leads - Weatherproof heal around leads bel.w(icn conduit box and motor frame. Space heaters - 11.5 volt, wi.rcd to separate conduit box) for all motors ono hp and larger Additional Ito uireiitenta for FD Fan Motors, Split end bolls nho.l.l, be furninhcd on both ends of the motors. All in ornal and external. surfaces shall be paintrd with an epoxy base paint, Ventilating openings Mall be screened or provided with filtors to prevent innocts from entoring. 1lte motors nhal,l. be given a factory tent consisting of a short commercial. tent, 1.ncludlnn running current (.Light load), Locked rotor current, high potential., and bearing, Inspecti.011. ]''ive Copies of reports of Wise tests shall be furnished to the Lnginoor. In each case where identical motors have been munufaotured and completely tested, fire copies of such test reports includf.nt,, a upcocl torque curve shall, be furnished to the Engineer.. '.Cho low speed fan motor shall be suitable for continuous rotation at the high spoel 1'D fan motor speed. x Sealed Claus 13 insulation of form wound motors shall be of vulcanized nilieono epoxy-rosin or oquivalont material i4hioh will f"arm a void free s<,+~tled ittutt7.at:i.ou sylitem. (DENTON) J.'fI S - 3725 ) ~ 1,1'l!dltd GENERATOR M-31+A) D5.23 FIRING EWIPMENT. General. Firing equipment shall be suitable for firing natural gas or light fuel oil. Steam generators shall be arranged for either front U ring or for corner firing utilizing tilting tangential burners. Each burner shall be furnished wish a gan-fired warm-up torch with electric igniter. Warm-tip torches may be combined with the gas pilots specified below. Burners shall be mounted in double case shop insulated wind box ur wind boxes suitable for connection of the air ducts. All necessary dampers, control devices, and special burner tile shall be furnished. Burners and wind boxes shall be constructed integrally with and shall be supported by the furnaco structure. Provisions for mounting and cooling flame monitoring equipment shall be it-.ludecl in the burner construction. Burners shall provide thorough mixing of fuel and combustion air at all ratings without flame impingement on boiler tubes or burner refractory openings. Burners shall be of a type which will accurately control the j fuel-air ratio. Burners shall be capable of operation over the specified load range without flame iiping-ament on heat transfer surfaces and with excess air not to exceed 10 per cent when burning gas or 15 per cent when burning oil without producing detectable amounts of CO. 9 E uc-- - pme-nt. 'Me gas supply to each burner shall be furnished with Gas Bur Ain 150 pound cast steel shutoff ball valve, Jamesbury hype M with Teflon seats, cone type strainer, and all interconnecting piping between the Owner's piping connection and the burner. Interconnecting pilling shall be designu" and furnished to absorb all expansion of the burner and to provide a single point to which the Owner's piping may be rigidly connected at each corner of a tangentially fired unit, or each burner levnl of a front fired unit. Vlach valve shall be fitted with limit switches for the open and closr.•d position. ;?witches shall be "Snap Lock" or approved equal with double pole double throw contacts. Each burner shall be provided with a 3/4 inch pressure gauge connection downstream from the burner shutoff valve. Oil burning E c ipment. '1ie burners shall be of the wide range mechanical atomizing return flow ty4.u+ having minimum turn down ratios of 2 to 1. Oil burners shall operate satisfactorily with an oil pressure of 4oo psi, and shall be designed to withstand oil pressures to 600 psi. Oil burners shall be readily and quickly replaceable in the furnace and shall be furnished complete with burner tips, extension pipes, atomizer, quick operating con- nections, shutoff valves and flexible hoses. One extra oil gun assembly, equipped w;.th two nozzle tips, shall be furnished as a spare. 011 guns shall be o' the fixed position type which need not be votracted when the unit is firing; gas. (Mi.ION, mans - 3725 (STEAM GENERATOR - M-344 M-2h Shutoff valves shall be fitted with limit switches for the open and closed. position and shall be of a type and material specially designed and suited to this service and approved by the Engineer. Switchos shall be "Snap Look" or approved equal with double pole double throw contacts. Burner Pilots. A natural gas pilot with automatic electrte.. ignition shall. be furnished for "ACh burner, The pilot shall be, designed for continuous )poration. The pilots shall be furnished complete with individual control. cabinet mounted on the boiler, and transformers, control valves and switches, and connecting piping and wiring between the control cabinet and the pilot burner. The electric ignition system shall be designed so that it will no+. be hazardous to the operator during lighting-off operations. A suitable cast steel pressure regulator shall be furnished to supply gas to the pilots at the required pressure. A system of solenoid valves shall be furnished for mounting in the pilot fuel header for each burner. The solenoid. valves shall be arranged for automatic shutoff and venting on boiler tvip-out or pilot flame failure, Solenoid valves in fuel gas lines shall be carbon steel body construction with coils suitable for 120 v a-c service. Pilots shall be designed for convenience of control from the panel board. Burner pilots ahall be equipped with all required combustion air supply facilities, including ducts, booster fans, pressure controls, alarms, panol mounted indicator and control devices, and any other accessory devices, Flame Detectors. Main burner flames shall be dotocted by scanners which are sensitive to ultraviolet radiation in the flame and shall rz Bailey Meter Company Type OF or approved equal. Pilot burner flamer, shall be de- tooted by ultraviolet flame scanners as specified for main burners, or by differential pressure switches used with pilot burners of appropriate desig,. Scanning devices based on the use of thermocouples or infrared radiatic,, in the flamo will not be accepted, Each scanning device shall be installed so that it will be responsive only to flame from the burner monitored, without introduction of error due to flames from adjacent burners) Incandescent refractory, or light reflections from the furnace interior. Flame monitoring aquipment shall be provided for the low load fuel burning equipment as well as for the main burners. All required accessory equipment for mounting and protecting the scanner equipment shall be furnished coj,r,dote, Flame scanners shall, be furnished with single pole double throw contacts. Connecting piping for differential pressure Plame detectors shall be arranged for positive drainage to prevent moisture accumulations from entering the differential pressure switches. Ultraviolet flame detectors shall be fur- nished with all required cooling air fans or comprousors, piping and accessory devices, (DENTON, TEXAS - 3725 STEAM GENEMTOR - M-344 DVI-?5 It1 1{AC'1OR1:1;S, INuU LA i0N AND IJlQGING. Generaxl, The Contractor. ;;hall furnish and inata].l. a]I rc!'ructory rnairerirl., insu.].atiun and. lagging required for the boiler enelgrnrrn, 'l7ir, Contractor nhal.l. also fur.nislr and fnrrtal.l innulaxtion and l.aggfnlr, foi all. hot surfaces of the boiler and ducts not: enclosed in the boiloi% caoinr%, All exposed atc:,am generator p.i.p lagged by the Owner, ing requir.i.ng innu].atlon will be insulated and . DesirOn, Tnsul.a!.ion and refractory shall be no dosij;ncc1 t at the, cold face temperature shall not exceed 130 F with 80 P ambient tnnq>eraturo and with Ur, air velocity o1' 5 miles per hour, Block insulation uhal.7. be inst•al.lod between the irnner skin casing and the outer casing or :Lugging, lnqul,ation, The insulation for the boiler and furnace enclosure ahn].], conu;l~~t of mineral wool bl.<,ek iiisu.lnl;i.on with all ,joints broken and pointed up with plantic insulation, (rho block shall be reinforced on the exterior face with expanded metal. to prevent lagging or cutting of the insulation by the lacing of wire, Hot air and gan ducto eha.11 be i.nau.l.nted as above for the boil.er and furnace eneloaure or they may be .i.nnulatod w,tlc calcium ailicato ;Innul.ation of adequate thickness on the interior aurfacen of the duct,, Jnt;ulation for the air heater) drum hcr::lr3, and other hot oufacea not enclur~ed in the boiler craning olial:l. be insulated by applying oock insulation. The Insulation materials shall be of the boat quality obt airruble for the servicu ro uirements and shall be 1lofruc-Logy and Insulation Corporation .insulation Block, or apps-oved equal. All insulation ohali be r3ocurcly wired and laerd in !,.Lace unlnp, 11c,, 111 (,aut,e dead soft 'i'yt)e 3W2 stainleas otocl wire, !~nB r!,i ng, 11,be insulated surfacer, of the furnace, boiler, and nuper'heator, ohai.l. be covered with an aluninimr :laggint,;: `111c la6eing, for those surfaces sha.l..l. W,, aluminum, box rib, stucco pattern, coneLructed from aheoL not thinner than No, 3.6 gauge, Any :flat aoetiorro required dial]. be not thinner than No. 1',' l;auge. WpokGhorproof i'lanhings nhull be Vrovided where 11o panels intersect with columns, and at other similar joi.nLs. Lugging s1a:1 ..1, extend over the outs-Me of the buckntays, Insulated surfaeoo of air hcaLcro, duct, if 1111'.,LaWd un the orterior, drum- hoads, breeching, rind o0ior in8UlRtecisurfaeea, except exposed Piping outr ids! the Pnelonure, shall. be lagt,od with carefully fabricaL d alrUninum shoot, in aitucr) pattern, not thinner than No. 12 gauge, Lagrring on top surfaces of the boiler, furnace, nuxfliary equipment, and ductwork ahall be suitably reinforced to prevent damage by workmen walking on the top surfacea, (DENTON, WMAl3 - R25 ) ((1;T7AM GENERATOP - 14-3M) 7ntcrnul. shop installed casings for sir ducts if' Or clucLs rare intorna,lly lnsulatod, sh,311. be sheet stcol, not less than 1/16 Inch Lhicknerts, Casings for gus ducts if gas ducts are Internally inau.latcd, Wm l.l. be "Cor-'Pen" stool, 16 gauge or thicker, Drum manholes; shall be provided with hinged inoulatcd covers, All aluminum used for lagging Shull be A STM B209 Alc l.fld 3004) or approved equal, Access floors through lagging shall be subject to the r,,pproval of the Engineer, Pipe chmier shall be provided maids the boiler Itigging for miscel.l.ancouo boiler piping, as directed by the rwgincer. No boiler la,3ging shall b,s applied until approval in given by the Engineer. III DETIM, TLXAEi • 372 ~STBAM 08NEPATOR . M•34A; 1)I3.2'l BURNER CONTROL SYSTEM, General, The Contractor shall furnish a complete system of remote burner control which will permit remote light-off or shutdown of any main or pilot burner from the oontrol room, and will automatically phut dwo,n any burner upon flame failure of that burner. In audition, the system shall inuorporate the necessary controls, indicating lights, logic and sensing devices required for enforcing proper purging of the boiler prior to burner light-off and for tripping of master fuel, safety shutoff valves when required by opecifie oper- ating conditions described later in this specification. qbe Contractor shall provide auxiliary contacts for actuation of indicating lights, annunciators, and transmitters for operation of remote indicators. The Contractor shall provide control switches, indicating lights, panel indicators and any other panel mounted devices required for supervision and control of the burner system by the plant operators. The Contractor shall provide master fuel safety shutoff valves. The system offered shall be Tully described in the bidderrs proposal, The system shall be designed to permit remote burner control and flame mon,l- toring of gas firing only. It shall be designed to enforce safe furnace purge procedureu for either gas or oil flxel. All portions of the system which would cause a burner shutdown or mastux, fuel +rip if the voltage supply should fail shall be designed for supply from a high reliability a»c power supply operating at 105 to 130 volts, 45 to 59,5 cycles, Ignition transformers, burner register drive motors, and other equip- mont not dependent on a continuously maintained voltage supply, may be de- aigned for operation from the station 20BY/120 volt 60 cycle a-c system, Voltages will vary between limits its described elsewhere in these spooifica- tions. System Fictions. Following is a liating and description of the required system functions. The description is broken into two sections, the rlrat section covering boilers equipped with circular burners and the second section covering boilers equipped with corner burners, boilers equipped with burner systems different than these two basic types shall have burner control and monitoring system functions providing features equivalent to those described, Circular Burner "oilars, Each pilot and each burner shall be individually controlled by two control. stations, one located at the burner and the other on the control room panel, and the operating conditions and performance, in- dicated by ligtrtn end indicatorg on the = trul stations, Furnace Purge i Permissive inturlec;,;s shall ho provided to anforce establishment of proper air flow for furnace purge. Fuel valve interlocks and fuel header pressure interlocks shall be provided.. The control, system ahall automatically position the burner fuse valves and air registers as required for proper purging and shnll prove their positioning. Output contacts to panel indi- cating lights shall be provided, and the system shall allow the operator to initiate the purge time interval by a romote mawaal push button after per- missive interlocks have been satisfied. The purge period shall be control.l.nd by an automatic timer and indicating lights shall indicate "Time Bunning" and "Maxtor Fuel Relay Beset". (DENTONi TEXAS - 3725 ( STEAM GENERATOR - M-34A ) A9.2Fi Iicmote Light-off; A['Lor compl.etion of the furnuco purge, the burners sheal.l be relcused for remote light-off from the control room, System design shall be based on Start-up with all regiatere open, Proving eonditiona for light-off of a burner shall be wAabliahod prior to light-off of the burner or its pilot. Proving conditions shall include the following Qua fuel valves fully closed Oil fuel valvos fully closed Gus and oil. safety shutoff valves fully closed Gas hoarier vent valves open (t'irab burner light-off only) No flame detected Burner and pilot fuel and air pressures within acca-ptable limits When till proving conditions are satiafied, a contact shall be closed, lbo contact shall actuate an indicating light in -the control room, Operation of the control room station wl tch or push button to the "Burner Light-off" position shall initiate an automatic sequence of events in which the pilot is placed in aervieo and its flame l7roven, followed by light-off of the main burner and its fla;no proven. Failure of either the pilot or main burner flame to be proven or failure of the air register to open, within acceptable time limi.ta, shall autoii:AtHcally indicate a burner ahutdown ae- quonee and actuate an alarm. Sucovasful. completion of the light-off aequance for the firit burner ahall automatically close the ghs header vent valves, PomoLe Shutdown; Operation of the control. room station awitch or push button to the "Burner Shutdown" position shall, cause the associated burner control, equipmenb to shut off -Who fuel supply to the burner and cluse the burrier register. Opera- tion of the mnater fuel. trip relay shall cause all furl. to be shut off from all burnera and all hurner registers opened wide. Local Control, The local burner control stations Mall provide -!ontrgl actions equivalent to those specified for the remote control, stations, in addition, the local control station shall include proviviona for solocticn of local or, remote control of any burner. Each remote control, station shall include a switch to permit placing that burner on manual control when desired. DPNTON, MAS - 3725 811EAM GENII[ T01i - M-34A) US-29 f~.lame Supor•vit;ivn, After flamo Is satf.sfacLor.lly eotablsihed on tho main burner, the interlock system shrill hermit shutdown of the ,Aloe burner nL Lho r,gu;raLor's option. ' flame-out on the main burnar scanner shall cause tho I'ue.l. valve to close, the air register to close, anti an alarm contact to clotso, P.l.amo-out on all burners which have been Placed in service shall cause it manlx v fuel trip. Plame-out on the pilot c3ha.1l cause the pl.l.ot fuel valve to clone and the pilot alarm contact to close. WiAor Mie1_ Trip A master fool trip shall be initlatod by ani one of the following circum- stances; 1, Trip of only burner in servico. 2, failure of first burner to light ouccessful.l.y. Both forcod fan motors tripped !'or five seconds, h. dollar rmergoncy trip push butCons operated. Purnaee pressure high for live seconds. The interlock circuitry shall produce a tripping signal for tho master fuel trip valves when tiny of tho above deecribecl conditions exist. If tho dcaign of `,he boiler rociuires additional interlock protection, the Contractor shall inc.ude suitable provisions ;ln the interlock circultry. Actuating contacts for (:ripping from Items 3 and h will be furnished by others. The master fuel trip circuit shall be furnished as two complete and independent systems of devices and connoeting; wiring. Bach circuit shall actuate independent pilot solenoid valves controlling the master fuel Lrip valves, and the solenoid valves shall be so arrnngod that the macitar fl el. trip valves will close only when both mastor fuel trip circults call for the valves to close, When one circuit calls for a trip but the other does no L, an alarm circuit shall be actuated. The mar3tor fuel trip systems shall be completely independent of' the purge interlock system. Idle Register Trip; Prov.iol,ons shall be Included on the control panel to permLt cl.013ing Idle burner registers after plating Clio desired number of burners ill rcrvice f'ol.lowlrig a furnace purge. Corner Fi;ved Boilers. Pilots and buzviers f.'or corner fired boilers will, bo controlled in groups of two, each group consisting, of one pilot or burner at diagonally oppovite corners )f' the furnace at the samr, o,lovation. Each group shall be conLrollod by one control station on the control room pane]., The control station .Ball. include Eill r,ecfuixed lights and panel. indicators, DENTON, TMA8 - T P5 ~;i'MMI GENERATOR - M-311A~ U-33-3o Furness Purge Pormissive interl.ooka shall be provided to enforce us6abl..ishmont of proper air flow for furnace purge, Fuel valve interlocks and t'uol, header pressure ' interlocks shall be provided. The control eyatem shall lrutornatically position the burnor r`uel valvour vir compartment dampers, and tilt control as required for proper purging and shall prove their positioninC, Output contacts to panel indicating lights shall be provided, and the aysLom shall allow the oporator to initiate the purgo time interval by it rermAn push button after permissive interlocks have been satisfied. The purge period shall be con- trolled by an automatic timer, and indicating lightn shall indicate "Timor llunning" and "Mautor Fuel Belay Reset;" Remote Light-Off; After completion of the furnace purge, the burners shall be released for ro- motA light-off from the control room. Proving conditions for light-off shall be establiohed prior to light-off of the group of burners or pilots. Proving conditions shall include tho following: Gas and oil fuel valves fully closed Gan and oil oaf'cLy shutoff valves fully closest No pilot 1'larno, detested Header vent valves open Durner an('L pilot heaclor proasuros wi.thtn aencpttrblu limits Slhon sta. proving cunda. Lions have I)oon estttbl i ohod, t; contact Mal,). hr, cloned to acLutyl:e. an indicaWwY light on the control prancl, oporation of tho control room stat,Eotr to Lhc "llurner Light-off" pot! tion :hall a.nl,tiaty an autowtttlc sc nuance of evolihn in c+hich Lho pilots ore tAaCtld in sorvion and their flamers proven, followed by 11.ght-orf.' of the main burners. Dtilvre of any pi.l.oL Lo bo proven within an crecehtable period of time thal.l r;ai.Ioo that pil.oL't fuel valvo to clone tor;; t,u nlai,m contact to slant,, The main burner control, switch shall provider it "Pilo Ls Only" position f,)r opc-va- I'lon of Pilota alone, P'or light-off of the first; burner, the header vent valvea shall bo automatically closed at the; end of' he light»off, soquencut komote Shutdown; Operation of the corlLrol route station switch or push button to tliv "burner 3hutdov,7" position shall cauno, tiro nsnocittUxt burner control equipment to rrhut off` r;ha ztiaol wipply to the main burner and, to -the pilot burner. Auto- matic operntion of any pilot to close its fuel val.vc sha.l:L sauna the corro- rpohding nrzin burner fuel valve to close. illl'ZON) TMAS - 3'IP5 -MAM 0 NERATOR - M-34A~ W-31 Master Fuel Trip; A motor fuel. trip shall be initiated by any one of I,ho follovi:rg circuln- stancest 1. 'rip of only bttrnar group in service. 2. Failure of fire' burner group to light succranfully, Moth forced draft fan motors tripped for fiver nnconds. It. iloiler emergency trip push buttons operated. 5. MArnace pressure }rlgh for five noconda, 'ilia interlock circuitry shall produco a tripping signal for the inastoz, fue:t trip valves when any of i;ho above described conditions exists. if, the docigri of the boiler requires additional interlock protection, the Contractor shall include suitable provisions in the interlock circuitry. Actuating contacts for tripping from hams 3 and 4 will be furnished by others. The master fuel trap circuit shall be furnished aH two complete and indepondont systems of dovices and connecting wiring. Bach circuit shall actuate independent pllol, solenoid valves controlling the mastev fuel trip valves, and the rolenoid valves shall, be so arrangocl that the mister fuel trip val,vos wi,l,l clos(,, only when both me.oter fuel trip circuits call for the valvos to close. Whorl one circuit calls fol, a trip but the other does not, an alarm circuit shall be actuated. The mautur iual trip systems :mall be completely independent of the purgo intorlock system. Compartment Damper Control: Compartment damprra shall be provided with control drives, and panel inouni,od indleature and c:ontroi dovieos to permit, roimoto manunl ad,justmrrnt, Manual Control'. Bach remcrto control station shall be p,°ovided with a switch to permit pl.aeing that group of burners on irulnual, control when desired, ( DENWN, TOM - 3725 ( g'PMAM ONM4 1TO - M- 34A p i ~ 3;? lfa U.L ,mUtl Is , , .;tatnEng lkavicra: t~la3ne ncannorr; shall be provided ae described undor 111'Lring 1.1qui.pment". rertnure switches r3liall be 18U1t.i.c-O-Ring" units havin(/, Lnhcrent: overrarjgc proLection. Rango and d.iffeventin.l. ol.' the owitchoo shall be appropriate to the service. Pressure or di.ffr.rcrrtial pressure switches for draft or furnace pressure, purgr, air flow, and similar services shall be F. W. Dwyr.r 1800 series, Limit switches mny be "snap lock" an manufactured by tho National Acme Corporations or Deni,lon "Loxswitch", All switching type sonaing devices shall be provided with switch elements equivalent; to Minneapolio- Honeywell Type W,,-2R-P4 Mtcroawitehos with doltbl.o throw contact mechanismri, Switch enclosures shah, bu Nl1MA Type 11. Burner Duel, Valvos Burner fuel valves shall be single seated globe pattern body, 150 lb PDAngod cast carbon steel conaLruction. Inner valves shall bo skirt guided V-porn type with 0-rings vulcanized to the skirts of the valve plugs. Valves shall be operated with spring cloning pnoumatic cylinder operators with solenoid pilot, valves to control. bbo valve operation. slalvos shall br• manufau turod by Conoral Controls Company. Air Registor brives; Air rogintorn of cl.rculaz, burners or compartment ditmlmrrs of corner burnerri shall. be actuatod by pnoumatic cylinder oporatora, Operators shall be of the opon-closed or modulating type nn vecluired by the burner design. Modulating operators nhal.l be provider) with posittLoners to roccive a 3 U) 15 Vol pnoumatic signal, Mail] Fuel ,lafoty tiitttoff Valvon l Main fuel safety shutoff valves uha.l..l. be. of the „double block and biecd." configuration and shall be Poishor 0overnor Co, "Voo-TY0.1" or Fisher tlovornor Co. "K Body" double port globe pat'Lurn, Valves ohall. be 1.50 lb Plashed or wold ends 10 inch body sir,o. Valvos shall be provided with spring ulosi.ng pnoumatic operators and shall be capablcs of full closure in one ow,ond, Duch vn1vo shall be provided with two lrido;penilen$ uolunoid opcratt;d ati, pilot valves . 1olono d, encloauros ahal.l be 14I9I4A Type II , Caa Hander Vent; Vulvea l One or, pore gun header vent valves shall be provided to allow attfi'icirunt gas 'to t:scape during furnace purge and initial Wmior light-off to assure satin- factory control of header pressure. Vent val.voo ulra.l.l be rtirect solenoid operatocl or so.lonuid pilot op j,eted, VUJ.vcl bod_tets r7hal.:I br, caret utr;el not lighter than 150 lb workin8 prossuro. do:lonold oncl.onurrsrs shall br; VEMA 'type 11 ( DRNITON, ml~tAS - 3725 1 ( ,BTE 1.M c~rNrltA7 sit - M- 31~A) - 3 3 Control bteli,fCllA; , Soparato petnO control. sLations shall be providod for t}1❑ VL rnaar: purge control and eor each burner control The purge control panel. .hall, contain indi.cat:lug l.ighl;a for all purge conilL- Lions ana control switches an Follows SwiLoh Lo and Gan ,Saroty Shutoff valves Opon-Auto,Cloac Gas lfeader Vont Valvon Open-Auto, Purge 'Mart 15USh Button O'Lavt Idle Registor (circular burners only) Closed-Auto Control room panel stations for circular burners shall includo red-green indicating lights for the following conditions: I'll.ot Gan Valve Burner Ono Valve Pilot Flame Burner Plame Air Legit;tor lied lights only shall be furninhod for; Burnor Ready Burner Alarm A single control switch or pair of push buttons shall be provLder] fr,r Jtpil- Lion an[ Lrip. A burnor r'egiatcr position indicator shall be provided, Local control stations for circular burnors ahall include ul1 indicating lighta and control owitchan provided on the control riom panel. ntationn. The rogintor position indict~.tor shall ba onittted an('. it local-remoLe rselector swl tch or push button pair proviaod, The local cr,ntrol -tutiol,a shall 1)01 asuembled in a oingle weatherproof enclosure with hinged access door at thn front Control room panel stationa fol' corder fired boiler control nhall, includrn all indicating light, described aboN, t'ov circular burners) except tho burlier ready and air registor ;Lights, (DENTONO 'IMAMS - 3'Ip5 } a'JTBAM UANSRAI OLi - M- 34A) x-:34 crnnpartrncrrt dtuitpar control station shall be provided a.s part of Llce burner control for r.onier fired boilers to be mounted on tho control room panel. !'he damper control statlon shall include n momentary contact control switch or push button for oach group of compartment dtamprz'n which shall actuate an electric motor oporaLed pneumatic nigna1 gonovator. Pneumatic; signal gener- atorn shall, be mounted in the burner equipment enc.lodure. All control room panel stations chill be doslgned for compact construction and ease of operation and maintenance. Low wattago indicating lights shall be used Lo 1i.mit pttnol )teat input. Push buttons and control switches ahall. be denignod to prevent inadvertent operation. All, panel, wiring connections to control panel devices shall bo by urso of s.,rew b,yrmtnala. Panel colons shall he tin divested by the l+;ngincer. ConP,1~o1. panel stations will be .in- stallad by others and Wired to tormtnal blocks in tho control room panel, 1,ogic CIL luitry: Logic circuitry may employ plug-.in relays or solid state components Boo] (l state circuitry shall employ plug-in modules or circuit cards) and the doutgn of the sysLem .ihall be such as to permit maintenanuo by substiLution of ro- pl,acement carun or modules. Output signals from logic circuitry slrall be produced by heavy duty contact devices of adequate capacity for the con- trolled dovicee. If solid state logic ciruitry is employed, suitable power supply equipmont shall be inc.ludod to operate from the a-c ntipply. All required voltage regulating and Isolation oqulpmonL shall be nupplied. The power supply ogtlipmenb shall be dest.gnod for maximum reliabiliLy. Dosign of the logic cirultry slnal.l permit di sconnooLing any burner from the burner control lode for manual operation of (;ho burnor as previously speci- fled. A syototn of owitches, indicating .lighta, and tout torminals shall be provi clod Lo permit checking the opoviltion of the burner control system With. out romovi,ng bho bollor from servioo. Equipment tCnc].osuret RloeLronic oquipment, relcsyss Anil astloui,atOd acceN30ry equipment which is not required to he mounted on the burnor front or on tho fuel Itnu v:j.l.vcrs shall. be enclosed In it d.usttight and drIpproof oLarol n.ubinet onclorntsr~. This cabinet shall be conatruGted from steel plate not Leis; than 1/6 inch thick and tninforced with ang.Los noL Jess than 1-1/p x x 1/11 i.nrh. b`tt1J, length doors shall he provided for Cho full width of the front and back of the rnciosure providing complete and convenient access to Lhr: in- trrior. The doors r3ha,ll bo of Lhr: i'o 1, J type with turned back r+lges. Door hinges shall. be of the recosoed type. Dour latclsne shall have chromium pl.atod handles, A11 equipment mountc'_ in the eneloourt., shall be wired to terminal. blocks at the: bottom of the onclofsure, suitable for connection of' the field wiring. Thu cabinet shall be painted wiLh one coat of suitable: primor and three or more finioli coats o!' alkyd resin nunchinory mime) 61% lacquer at3 required to provide a smooths hard, durable :finish. The color of the finish coat shall bo ASA 61. ( DEN`!'ON) TEXAS - 375 ) (yT1lAM gt';N}Itfl7'OCt - M-3itA} I>:3-3j Equipment W.1 ring !]lectrical equipmenC fur each burner or corner asscmbly uhall be grouped ire an enclosure iio sus l,o Leop tho amvuA of oxternal w1rtnl, to a Minimum. Internal wiring shall. be brought Tu tormi.nal bonrdu the Ownerun cire,Aitu between 01o cnelouure and the rrulin burster control cabirmL, If' shlelded cab.1.r, In required between the enclosure at each burner and tlic main burner cont"O.1 cabinet, tho Contractor shall. so indicate in the oquipmonb data section included herein. All cable and raceway betwoon the enclosure at each burner and the electrical dovicon at the burner shall bo bsrnishud by tho ContraeWr, Cable shall be ratod 600 volts with :3/611 inch ollicone rubber insulation and a 0.009 inch braided glass jaaheiL. Minimum nine shall be No. 1,11 (19112'() Awe, Raceway shall bo rigid conduit) w:1t11 longths of liquidtil;lst floxf b:l.o conduif where needed. ]lengths of liquidtight flexible conduit uhall be 'lisnitod to a max.t- mum o" 18 incheu at each device, 11910 liquidtight floxibl.o conduits shall be suitable for 105 C temperaturo, lioaltite Type 110 or approveA, equal. Only liquidtight fittings shall be uued with liquidtight conduit. 4. v MTONs 'd'UM - 3725 STMAM GENERATOR - M-34A) 1;;j-36 ls1ll,C'i'l UN OF 311V AM C#lsM:tiATINO UNIT, fiOneru_i.. Thu lump Dula price urdnod ill the PropoeaL ahrxlI Iriclude uhe 1'ur- rrl.sh~ing of all, .labor, tools, and equipment regitired be) unload i'rom care, tranaporu, ui,oro protrct; f'rorn weather, c:ltean, eroct itu(I the ta11 on the Owner'D foundatio.., and Coat the colrtp.lote, etealn gen<:ruC[nt, unit, except whore, npe±eifi.caLJ.y stated, otherwiDe in the. Dotai l.cd Sper,i rl eal, l nun . Thu price named eltal.l include the une o€' all. apecia:l took; required such as air compreanora, stir motors, churka, gear roducors, tube: rolleru, comproased air I;uggcrs for hol.Dting parta, we.l.ding equipnont and rod, a11. necessary wl.nchcn, cables, blocks, pul.l.oya, clampa, rigging, Mocking, scaffolding, ubc R ahal..l al.Do include the cont of all. crow supervia ton, trkil,led and common labor required, togothor with al.l, payro,.11. taxes and insurance, paymontn roquirod by law. The orucuion contractor oha1.1, furniah at Loca'tiotrs all directed by the Ownor, DUorage facilities and office apace for hie porsonnol. during erection of lAw unit;. Only gonorai storugo Dpace and incidental working aroaD wi1:l. be t'urnished by the Owner. ALL erection work shall be performed undor the direct auporviaion of uhc manufaebtt'cr's oupervieorn as covered Ln the General.. Spooificationu. The Contractor shall have a working :foroo on the job n:Ltc at all timou when nhipmenta arrive. Thin working force shall do all. unloading and nau.1ing work promptly after arrival or each Dhipment. Other Contracts. Ownel, raaervon hire right l;o :Let abhor contnct;tr, in connection 4ribli thin projeeb. Tho Contractor shall. aft'ord other contractorr.; reasorlablc opportunity Cor the introducbiorr and storage of their IrtaLeria1l; and Clio execution of their work, and olv l.l. properly connect ahd coord.Lnatc: his work with tlrc i rd , TA, ally part of the uorrurautor'a work deperrda, f'or proper execution or re mi.11o, upon the work of any other contractor, uhc+ Contractor nlrail inopect aild promptly report to the Owncx any defecbs In auch work that reader it unsuitable for ouch propm, execution rind reaulLe. Ilia fa.tlxrc to Do inapect acid report shal.:l. constitute an acceptance, of the, other conLraetor'lr work ens I'll, and proper for thc! reception of hl,a work, except aD to dollocto whlcih may dovoiop in i;hc ocher contractor's work ai'tor rho execution of hi.n wixt. Whenever worn being done by the Owner's Porcea, or by other contractora, is r.ontigiimm to work covered by thin eontrar!t, tlra respoctive rights of the various intereata i.nvol.ved uhr.J.1 N2 eetabl.iuhed by tho Owner in order to Secure ulre oomplotion of the various portiona of tho work hi peneva.l. harmony. Cloaninr 2L Prosoure Parta, The Contractor dhaJ.1 furniali all. J.abor, mttteria:Ln ciud temporary pipinp neconuary to thoroughly ea.oall the lnterl.or' of the b011.01' nupor'lieatar', piping and other presnrrre pat oft. The operation uhull conniat of INNTON) 117M - '3l`25 } .r STEAM 0IM-MATOR M-34A) w - a rhenrl.i~al clc:Anint, hcJ'' initin:l. ;atarb-,.;Z,. i'Itc cheu;lcal. used shall be Dow lnduatri.ccl f;erviee Verilan 675, or alrpr()ved cqunl, llidrleru uhall Include n clctai.a.oii drncr.iption of the proposed r..louni.ng opcrabionu wi.Lh i.heir proposal. The Owner wi Ll. furnish operatinf, peruonnol ror operati nL Wic, boiler during; the chcnr.lcal cleorfning operation, During Wri.n time thu opuraboro ahall be under the, <11rouL uuperviuion of the ;nnnufacturer'n vcfrrar.untativc. The operating pernonnul. uhall be required to do on:Ly thous duLlro normally anaignud to oporatinf, pornonnol.. All other labor uhnll be furnirfhed by the Contractor. Tho ContracLov shal.l. diapone of the chcmi(ml,t, used In eleanf.n[, in a manner approved by the Owner. Clcunf.i Of OUu and Eauipmomt. The ContracLor nhall. clean ;tp dobri.s cacti night after work unit shall maintain Wre alto in ncnt and oi,derly condition throughout tlir: period of Lhe work. Ile uttall adoquatoly protoct all equipment ;ant, upon eomp.l.otion of the work. ho ulral.l. repair or reuLorc the ogttipmunL and utructureu to their original elate. Aftor erecbi on but prior to final aeooptancu, the Contractor uhall clean a Ll. tltructuren unc] equipment inatu,l.lod by him of dirt, mortar, concrete, or otho.r mutoriala which may have boon misplaced or allowed to mar tltc finish of atructurea or uquipmenL. Viniahed concrete floorn or other equipment or aLrueburea ad,jncrint to the work which may have been dufaced by Win Contractor ahall bo rootorcd to their prior condition. All unuacd rnuboriala or rlebriu for which the Contractor if, rosponsibic- ulrall. be removes] from the; rite as directed by the Owner. Upon comp Lotion of the croction work and prior to painting of the etructucu and equipmonb, bite Contractor W11A.1 . cl.onn r,].l attrfauert of boilrr utthportinl, steel,, cua:htf, uurfahua, auxi.l.lnry equipment, plutformn, graUrig, etniru ancl. handral;l.a. All uur:racen ul;ctll he canirlotuly lieu of Insul.abfon material, dirt, groaao, dobr'ia and all other fo.volgfri material, uutisfac:L•ory I'ov firciuli painting of ul.l nur'fnceu, red{ardl.cuu or Wio origin of Mich forcJgn rnrtl;r,rful.;:; CrouLI,:lni. All grouting attal.l be fuvninhud by the Contractor, Lining Uri af)proved gvout.l ng mixture in uouordancc: with Lhe equipment manufacttu~nr `u rucommondationu . Grouting shall. ox ber;d to alto udgf± (if' the foundation and in a point lovel. w'iLlr the Lop or t;hc lmoo p'LccL-r or aoleplaLc. GroUL Shall completely 1'111. the upac ru between tho f'o,andati.on Lop rand bedplate. without voldu or air pockets. Groutinl; al'iall. be dour; in a workrnat;likv manner anti rrhoraed aurfacea of tho, foundation nlia'.1.1 he :Left nuut and alvan. Grouting mratoriala and inatullat.i.on al;al.l have the approval. of th(r Ltt(Si.nerz, Code Authorizablon. The Oontractov for uvootion of the utemi gonerating unit airu],l. be cr.u~hoa i~r:cl by Lhe Amoriuan [R cioby of Mochanica]. T!lnt;inec ra to auaumbl.e power bollerrd. Ito uhull. bu in pooocoall on of a manufacturer' a uLamp or an armembler'u utamp au roquired by the hb!'"S Coda for Pover ]iof.leru. (MMTON ) 'il xns - 37P5 } (f,'r;AM Gf!iPii;]1ATOR - M-34A) >>v- iff I[ drostutle 'l'ent. After cotttF:leti.ari of vm-QLfon at' thr: bol:loll find ful'nac:e a I.ydN o 'a e Lest in accorde.nce with the Ali Doi l.c.r spill Prasriw c Veosel. Ccx)c uhall be lei-formed under the direction of the manufw,-t;rrer'r, erection nupcrvif,or'. AU dofecto In the work disroveroci ao rt rcoul.t of Lhc hydrouLitt Ic tout (tile t;41 be corrected and the uliil oltall then be retcnted. 'Phu Contrrtctor nhal?. furnish n1l labor and equipment requirod for thin tent, Prensure 'Foot of CaiinE Duero acrd Air ][eater, After r:rcction of the furnac-~ s:uUes awl or inner akin casing, duetfi, and air houtor, o, tee( shall be powfQ1,med to prove the tightness of the equlpmerit from Lim, FD f'un outli t, Lo the air houtor Lan outlet, The beet utial'1, be run aL it preosure equivulcut to one an(I one-half t1w;3 rho denign prcormVp Of the wwAlwol; section or of, 20 Inchon Wo, whichcvor in .Lens. The caning wi.1.1, bo juilf,ed to be Of' adequato tightiesn when 'sit(, prosalwo loon in Lon rri.tnulu!u d.oun not cxuoed 5.0 inches Wo after the tent prcunure supply in ehut of'f. Any r.hangea In uir tomparatwe which affect tort condi.tiono oluill I)o Laken into conslder. ation. lli r£ ins. All valvoo, interoonneeting piping, and miuoel.luncoun i.inoo ao e a,O l :il for in theoc specifi.cationc shall be eorgi:l.ete.ly innta:l:l.cd. The valves and :Lnterconneeting piping, connooting the boi,l.er prevaure partn, eha:ll be hydrootaiJe.(il.ly tented along with the tool, of t1ic boller pressure parto. 'Ptc~ Contractor uhal..l furnish blind fl.angen or vomovab Lc, p Lugn for hydron tatic tent f'ai° ri.l.,l opuningn not c.lonetl by tho valven and piping furninherl. Pra,L. ntiJiifs. After erouLion of the steam gencrator, ull exposers uhof; prfimr amt finish palmed surfaces which havo been damaged o.' which urn otherwiue unnatirifactory shall, be repaired by ropaintinf;. Proviounly wtprfmcd expov-d wivf'accn ohul.l be prime painted, t3ltap paillLint, 0111,C 1 br. (to apes(il'led in rietteruJ. ;peeif Lcationn. 110,11o applacatiort o'f' liaint, fill' utn'f'ac!on to bo painted ohu_A, Ue Llioroughly c.leattud of all dli,L, ruob, ucai.u, f{reasea, of-lo silo] other foreign Imterli.atr; by wire brunhinji, ucraping or nandblasting. Prime painLing, nhull_ conniut of one brush appliud eo;rL 01' rout inhi.bit~Lve reel loud or zinc chromate primer of a tyL,e wh I elt rnatcl.t~n the nhop primor saint used. Fini.Hli pa citing ohall (tonuifib of whrco coaLo of ai.k,yd rrruln tnru,hlnery wiwaol of a mantifaoturer and col.ov approved by tl.e bwrc(r. All. aw'facco of alw0nom ,jacketo which will be In colrtact; with star], or onat iron. ohail bc, thovout,hly prime painter) with an alkyd resin zinc chromate pi'imor, Dupont No. 773) of aliproverl equal. .iLorare of t ul rnerrt and MaLeriul.s. All equipment anal materiats nLorr:c outdoors shall be. pl.accid on subotatiLial, ahoroo oil blocking of nufficlen6 oi.xo and otrrngbh to provide a clearance of oight inchan above the ground . (1)IOMTON) TUXAC - VP5 ) (U)IMAM GJ~,Nfs1lA'fpfi - 1d-3U) DS-39 and in tIuch it manner that water cannot co.lloct thereon aanrl tso than the equtlmrent or material will be protected against bendinti or warping undc,r ltc own or uupcrirnpouerl l.oUds. All equtl,ment and materif:ila excepL tubers, pile, drumu, hoadorr., supportinl" sl;ee.l. and Illoul.ated duetts shall. be proliceted with a weatltrrproof f.l.amo reoltjLanL elli"oting from the Limo Lhey are Unloaded unfAl. croetton iri <:oml,:.ctr:, The shooting shall. cover the top and iddes of the oquipmont and shall be lapped to shed water and shall be drawn tightly around the banes of the equipnlecit. Blicoting eha'll bp ryno-Kuim 61.0 ae manufactured by the American uisall(ra'ft Corp., or approved equal,, The shocting widths shall. not bo lesa than 811 Inches, MOTONO IT-;XAS 3725 37VAM aJ` MI BATOR - M y 34A) re X110