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C~J :i'Y.~'•~.. i Q~IY~.~i 7; y U G Cr z Cq~ rUC~ ; ^ O i t+• q O r ~J ri P V tub ~ co ~ C? t• •C L !i p L J i ro 54 1ie~~ r7:~3 ou~~ ysc`y~ i, Lt ~ ~ A a ~ Vr Y 4.1 'J ~ p y v ti • % ~ V ~r 1': yyiit V. Ifs fJ ar a ~Ff~ w U t o Y ~ eI V ~w y N V w d + cOA4 L w C 7~ Y AAZ rt 1 W 1 M tlt t7 ~ CITY OF DENTON, TEXAS WATER SYSTEM IMPROVEMENTS PLANS, SPECIFICATIONS AND CONTRACT DOCUMENTS FOR CONTRACT IIO. 71-7680 2 M.G. STEEL GROUND STORAGE TANK FOUNDATION, PIPING, AND APPURTENANCES SEPTEMBER 1411 i F7EESE, NICHOLS AND ENORESS CONSULTING ENGINEERS FORT WORTH, TEXAS TABLE OF CONTENTS Page INVITATION FOR BIDS a INFORMATION TO BIDDERS b PROPOSAL C SPECIAL PROVISIONS e CONTRACT AGREEMENT I PERFORMANCE BOND 3 PAYMENT BOND 5 GENERAL CONDITIONS OF AGREEMENT 7 DETAIL SPECIFICATIONS Item No. 1 Excavation and Backfill 2 Cast Iron Pipe and Fittings 3 Gate Valves, Valve Boxes and Installation 4 Butterfly Valves 5 Concrete and Reinforcing Steel 6 Concrete Pressure Pipe 7 Tank Foundation 8 Replacement of Base Course and Paving 9 Miscellaneous Items 10 Clean-up I INVITATION FOR BIOS Soaled Proposals addressed to James W. White, City Manager of Denton, Texas, tni1 :e received at the office of the City Manager in the Municipal Building until 1:30 P.M., October 21, 19_7_1 for the construction and comple'Uo~~ CONTRACT NO. 71-7680 TWO M.G. STEEL GROUND STORAGE TANK FOUNDATION, PIPING, AND APPORTENANCES At this time and place the proposals will be publ'cly opened and read aloud. Any bid received after closing time will be returned unopened. Copies of Plans, Specifications, and Contract Documents are on file and may be examined without charge in the offices of the Water and Sewer Superin- tendent and Freese, Nichols and Endress, 811 Lamar Street, Fort Worth, Texas. A cashier's check, certifi-id check or acceptable Bidder's bond ayable to the City of Denton, Texas, in the amount not less than five (5%~ percent of the bid submitted must accompany each bid as a guarantee that, if awarded the contract, the Bidder will, within ten (10) days of award of contract, enter into a contract and execute bonds on the forms provided in the Contract Documents. Attention is called to the fact that not less than the prevailing wage rates a~ ^stablisher by the City of Denton, Texas, and has hereinafter set forth in the Contract Documents hereinbefore described and which are made a part hereof, must be paid on this project. A Performance Isond and a Payment Bond, each in amount of not less than one hundred (100%) percent of the Contract'price, conditioned upon the faithful performance of the contract and upon payment of all persons supplying labor or furnishing materials, will be required. In case of ambiguity or lack of clearness in stating proposal prices, the City of Denton, Texas, reserves the right to adopt the most advantageous construction thereof, or to reject any or all bids, and waive formalities. No bid may be withdrawn within forty-five (45) days after date of which bids are opened. CITY OF DENTON, TEXAS James W. White City Manager • a INFORMATION AND SPECIAL INSTRUCTIONS TO BIDDERS 1. Bid Form: Bids shall be made on the blank form attached and the complete documents and plans returned with the bid. Bids not so made will be con- sidered out of form. 2. Bid Security: Each proposal must be accompanied by a cashier's check or acceptab]e bid bond in an amount equal to at least five (5%) percent of the amount bid as a guarantee that, if awarded a contract, the bidder will execute the contract within ten (10) days and furnish performance bond of one hundred (100%) percent of the contract amount. 3. Performance Bond and Payment Bond: The bidder shall include in his Proposal the cost of providing a Performance Bond and a Payment Bond. Each bond shall be for 100% of the Contract amount. Bonds shall be executed by an approved surety company authorized to do business in the State of Texas, and acceptable according to the latest list of com- panies holding Certificates of Authority from the Secretary of the Treasury of the United States of America. Performance Bond shall be arranged to extend for a period of one (1) year beyond the date of written acceptance of the work by the Owner, to guarantee the repair and/or replacement of defective materials and/or workmanship which may develop during this period. 4. Interpretation of Quoted Prices: In case of a difference between the written words and the figures in a proposal, the amount stated in written words will be considered as the bid. i 5. Interpretation of Saecifications: Any question as to the meaning of any specification will he answereT_Fj ddendum which will be sent to all who have been furnished with the plans and specifications. The Owner will not be respc,f,sible for any other explanations or interpretations. 6. Wage Rates: There shall be paid on this project not less than the general prevailing rate of wtiges in the locality of the project, which have been adopted by the Owner and which are included as a part of these specifi- cations. 7. Bidder's Knowledge of Conditions: Prior to submission of a proposal, the Bfa e-r-shaTI have made a thorough examination of the site of the work and of the plans and specifications and shall have become informed as to the location and nature of the proposed construction, labor conditions, and all other matters that may affect the cost and time of completion of the work upon which he bids. END OF INFORMATION TO BIDDERS b PROPOSAL Denton, Texas October 21 1971 PROPOSAL OF Elm Fork Construction Company, Inc, , a corporation organized and existing under the laws of the State of Texas , a partnership consisting of an individual trading as , TO: THE CITY OF DENTON, TEXAS Pursuant to your Invitation for Bids, the undersigned Bidder hereby proposes to do all the work and furnish all necessary superintendence, labor, machinery, equipment, tools, and materials, and to complete all the work upon which he bids, as provided by the attached specifications, and binds himself on accept- ance of his proposal to execute a contract and bonds, according to the ac- companying forms, for performing and completing the Paid work within the time stated, and maintaining same as required by the det-vAled specifications for the following prices to-wit: Item Description Amount of Bid No. (Price written in words) (Figures) 1. For the construction of foundation and gaping connections for a 2 MG Steel Ground Storage Tank, including excavation and all appurtenances complete as specified, the lump sum of Seventy Eight Thousand Seven Hundred and Eighty Dollars $ 78,780.00 C i Item Description Amount of Bid No. (Price written in words) (Figures) 2. For furnishing and placing extra materials not shown on Plans: a. 3000 psi concrete 2 C.Y. @ 25.00 Dollars $ 50.00 Ter C.Y. b. Reinforcing Steel 300 lbs. @ .20 Cents $ 60.00 per 1 c. Excavation and Embankment 250 C.Y. @ 2.00 Dollars 500.00 per C~TOTAL AMOUNT BID $_79s390.00 The undersigned agrees to commence work within ten (10) days after the written notice to commence work and to substantially complete the work on which he has bid within 75__ _calendar days as defined in Paragraph 4.01 of the General Conditions q greement. The undersigned acknowledges receipt of the following Addenda: Addendum No. 1 Enclosed with this Proposal Is a Cashier's or Certified Check for 5% of total amount of bid ) Dollars which it is agreed shall be collected and retained by 'Re Owner as liquidated amages in the event this Proposal is accepted by the Owner within forty-five 145) days after the date advertised for the reception of bids and the undersigned fails to execute the Contract and the required Bond with the Owner, under the conditions hereof, within ten (10) days after the date said Proposal is accepted; otherwise, said check or bond shall be returned to the undersigned upon demand. Respectfully submitted, Elm Fork structf ri Company, Inc. (SEAL) If Bidder is a Corporation By Ed M, Farrow, Secretary-Treasurer NOTE: Do not detach bid form P. 0. Box 20196 from Contract Documents. 01 Fill in with ink and submit . complete with attached Dallas, Texas 75220 _ Documents. Address d I :4. xi l~A. "w tf .ilrr '~K, F h: ti~(~i t* v- ''r 1°~ y DENTON,' 7EkAS 2 AG STEEL GROUND STORAGE TANK FOUNDATION, PIPING, AND, APPURTENANCES CONTRACT NO, 71-7680 ADDENDUM NO. 1 Plan Siieet No. 2: Delete all references to "FILTER PLANT CONTRACTOR" an su st tuto THIS CONTRACTOR". Bidders shall acknowledge receipt of Addenaim in Proposal, FREESE, NICHOLS AND ENDRESS Consulting Engineers October 201 1971 SPECIAL PROVISIONS 1. Scope: The work to be done under this contract consists of constructing the foundation for and making the piping connections to a 2 Million Gallon Steel Ground Storage Tank at the City of Denton Water Treatment Plant. The work includes all necessary excavation, pipe, fittings, valves, and appurte- nances as detailed on the Plans and described in these Specifications. The tank will be erected on the foundation under a separate contract. 2. Pro ect Site: The project site is the Municipal Water Treatment Plant, located at the southeast edge of the City of Denton, as shown on a vicinity map contained in the back of these documents. 3. Time of Completion: It is anticipated that a contract will be awarded, and a work order given as expeditiously as possible after bids are received. The Owner desires that construction start as soon as possible after award of contract, and that the construction of the project be pursued diligently, and continuously to completion. Consideration may be given in award of contract to the completion bid date. Bidders shall indicate the time for completion in the space provided in the proposal. Attention is called to the fact that piping connections to the tank cannot be completed until after the tank has been erected on the foundation to be constructed under this contract. This Contractor will be ex ected to complete these piping connections and site grading within fifteen (15~ calendar days after receipt of written notice that the tank erection has been completed, and this fifteen (15) days will be considered to be in addition to the time inserted in the Proposal. In the event the Contractor fails to complete the project within the time set forth in the Proposal, the Owner may withhold money permanently from the payments to the Contractor in accordance with Paragraph 4.04, page 21 of the General Conditions of the Agreement. 4. Replacement of Defective Parts and/or Materials: In the event of failure of any part or parts oft e equ pment or construct on during the first year of service, due to defective material, design or workmanship, the affected part or parts shall,, be replaced and repaired at the Contractor's expense promptly upon notik:e by the City. 5. Other Contractors: This Contractor will be expected to work concurrently and harmoniously with the Tank Contractor so that the entire project may be expeditiously completed. 6. Sales Tax: The Owner qualifies as an exempt agency pursuant to the provisions Article 20.04 (F) of the Texas Limited Sales, Excise and Use Tax Act, and is not subject to any State or City sales taxes. e ommmmma -,v r.- 7, 7, 1. Payments: Payments will be as set forth in the General Conditions of the Agreement except that when work has progressed to a point that require- waiting until the tank contractor completes construction of the tank, the refainage will br reduced to five (5%) percent. 8. Disposal of Excess Material: It is anticipated that all of the excess earth from-Fie t var ous excavaaions can be disposed of on the Water Plant-Power Plant site. The disposal site is immediately east of the existing power plant cooling towers. Material shall be spread, rolled, and compacted as set forth in the "Excavation and Backfill" section of these specifications. 9. Connections to Existing Facilities: It will be necessary during the course of constr-uctTon `to make two 2 connections to existing piping, which will require a "shut-down" of plant operations. The connections shall be carefully planned and coordinated with both the Engineer and the Owner so Oat "down" time may be held to the absolute minimum. Work. shall proceed on a 24-hour non-stop schedule while the connections are being made until the existing facilities are back in operation. 10. Water for Construction: The Owner will furnish all water required during cons tructVr at no cost to the Contractor. Water will be available at an existing fire hydrant, end all piping, valves, and fittings required fur connection thereto shall be furnished and installed by the Contractor. END OF SPECIAL PROVISIONS f CONTRACT AGREEMENT STATE OF TEXAS { COUNTY OF Denton THIS AGREEMENT, made and entered into this 1st day of November A.D., 1971 , by and between the City of Denton of the County of Denton and State of Texas, acting through its Mayor thereunto duly authorized so to do, Party of the First Part, hereinafter termed the OWNER, and Elio Fork Construction Company, Inc. of the City of Dallas County of Dallas and State of Texas Party of the Second Part, hereinafter termed CONTRACTOR. WITNESSETH: That for and in consideration of the payments and agreements hereinafter mentioned, to be made and performed by the Party of the First Part (OWNER), and under the conditions expressed in the bonds bearing even date herewith, the said Party of the Second Part (CONTRACTOR) hereby agrees with the said Party of the First Part (OWNER) to commence and complete the construction of certain improvements described as follows: _ Construction of 2 MG Steel Ground Storage Tank Foundation, Piping and Appurtenances. Contract No. 71-7680 and all extra work in connection therewith, under the terms as stated in the General Conditions of the Agreement; and at his (or their) own proper cost and expense to furnish all the materials, supplies, machinery, equip- ment, tools, superintendence, labor, insurance, and other accessories and services necessary to complete the said construction, in accordance with the conditions and prices stated in the Proposal attached hereto, and in accordance with all the General Conditions of the Agreement, the Special Conditions, the Notice to Bidders (Advertisement for Bids), Instructions i 10-15-71 I it to Bidders, and the Performance and Payment Bonds, all attached hereto, and in accordance with the plans, which includes all maps, plats, blue- prints, and other drawings and printed or written explanatory matter thereof, and the Specifications therefor, as prepared by FPEESE, NICHOLS AND ENDRESS, herein entitled the ENGINEER, each of which has been identi- fied by the CONTRACTOR and the ENGINEER, all of which are made a part hereof and collectively evidence and constitute the entire Contract. The CONTRACTOR hereby agrees to commence work on or after the date established for the start of work as set forth in a written notice to commence work and to substantially complete all work within the time stated in the Proposal, subject to such extensions of time as are pro- vided by the General and Special Conditions. The OWNER agrees to pay the CONTRACTOR in current funds the price or prices shown in the Proposal, which forms a part of this Contract, such payments to be subject to the General and Special Conditions of the Contract. IN WITNESS WHEREOF, the parties to these presents have executed this Agreement in the year and day first above written. ATTEST: CITY OF DENTON TEXAS Party o~ he Fir Part, OWNER g4j By_V u 1 APPROVED y~ Dr. A. M. Fin Ip Jr., Mayor Title JACK BARTON (SEAL) GIIY ArUl QWY ATTEST: -ELM FORK CC NSTRUCTION COMPANY, INC. Party o 1 he~con art, 1'R~-C~R By_ 'Title c'r c 1/ j.t r (SEAL) 2 16-15-]1 PERFORIKANCE BOND STATE. OF TEXAS I COUNTY OF Denton KNOW ALL MEN BY THESE PRESENTS: That Elm F9r~ _ Construction, COmbany, Inc. , of the City of aallas County of _ Callas , and State of _ Texas , as PRINCIPAL, and _jj9y1,Gk5_ TA)hi5L-'_l C( PA Al Y , as SURETY, authorized under the laws of the State of Texas to act as surety on bonds for principals, are held and firmly bound unto the City of Denton, Texas as OWNER, in the penal sum of Seventy-nine_ f Thousand, Three Hundred NineV Dollars 3 79,390.00 for the payment whereof, the said Principal and Surety bind themselves and their heirs, administrators, executors, successors and assigns, Jointly and severally, by these presents: WHEREAS, the Principal has entered into a certain written contract with the OWNER, dated the 1st day of November , 19 71 , for the con- struction of 2 MG Steel Ground Storage Tank Foundation, Piping and Appurtenances. Contract No. 71-7680 which contract is hereby referred to and made a part hereof as fully and to the same extent as if copied at length herein. NOW, THEREFORE, the crndition of this obligation is such, that if the said Principal shall faithfully perform said Contract and shall in all respects duly and faithfully observe and perform all and singular the cove- nants, conditions and agreements is, and by said contract agreed and cove- nanted by the Principal to be observed and performed, and according to the true intent and meat,ing of said Contract and the Plans and Specifications hereto annexed, then this obligation shall be void: othendise to remain in full force and eFfect; PROVIDED, HOWEVER, that this bond is executed pursuant to the provisions of Article 5160 of the Revised Civil Statutes of Texas as amended 3 r r r r 10-15-71 by acts of the 56th Legislature, Regular Session, 1959s and all liabilities on this bond shall be determined in accordance with the provisions of said Article to the same extent as if it were copied at length herein. PROVIDED FURTHER, that if any legal action be filed upon this bond, venue shall lie in Denton County, State of Texas. Surety, for value received, stipulates and agrees that no change, extension of time, alteration or addition to the terms of the contract, or to the work performed thereunder, or the plans, specifications, or drawings accompanying the same, shall in anywise affect its obligation on this bond, and it does hereby waive notice of any such change, extension of time, alter- ation or addition to the terms of the contract, or to the work to be per- formed thereunder. IN WITNESS WHEREOF, the said Principal and Surety have signed and sealed this instrument this 1st day of _Iiovember 19 71 ELM FORK CONSTRUCTION CO., INC. Principal ur 77~ 1~z Title r, ~'a Title} Address P. 0. Box 20196 Address Da1;as, Texas 75220 dItgt~]e,cas (SEAL) (SEAL) The_ name and address of the Resident Agent of Surety is: _1!1, L- M r~ one u D / NOTE: Date of Bond must not be prior to date of Contract. 4 i 10-15-71 PAYMENT BOND STATE OF TEXAS COUNTY OF Denton KNOW ALL MEN BY THESE PRESENTS: That Elm Fork Construction Company, Inc. of the City of Dallas , County of Dallas and State of Texas as PRINCIPAL, and uE1~___~1II~cA7_~_C~U~~}~AiV.y ' as SURETY, authorized under the laws of the State of exas to act as surety on bonds for principals, are held and firmly bound unto the _City of Denton, Texas as OWNER, in the penal sum of _Seventy-nine Thousand, Three Hundred Ninety - Dollars 79,390,00 for the payment whereof, J the said r ncipa an Surety bind -TiEmselves and their heirs, administrators, executors, successors and assigns, Jointly and severally, by these presents. WHEREAS, the Principal has entered into a certain written contract with the Owner, dated the 1st day of November , 19 71 , for the construction of 2 MG Steel Ground Store a Tank Foundation, Piping and Appurtenances Contract No. 71-7680 which contract is hereby referred to and made a part hereof as fully and to the same extent as if copied at length herein. NOW, THEREFORE, fHE CONDITION OF THIS OBLIGATION IS SUCH, that if the said Principal shall pay all claimants supplying labor and material to him or a subcontractor in the prosecution of the work provided for in said contract, then this obligation shall be void; otherwise to remain in full force and effect; PROVIDED, HOWEVER, that this bond is executed pursuant to the provisions of Article 5160 of the Revised Civil Statutes of Texas as amended y acts of she 56th Legislature, Regular Session, 1959, and all liabilities on this bond shall be determined in accordance with the provisions of said Article to the same extent as if it arere copied at length herein. PROVIDED lie FURTHER, in Dthat nton If any legal actioo be bond, venue State filed of Teupon xas,this 5 10-15-71 Surety, for value received, stipulates and agrees that no change, extension of time, alteration or addition to the terms of the contract, or to the work performed thereunder,' or the plans, specifications or drawings accompanying the same, shall in anywise affect its obligation on this bond, and it does hereby waive notice of any such change, extension of time, alteration or addition to the terms of the contract, or to the work to be performed thereunder. IN WITNESS WHEREOF, the said Principal and Surety have signed and ` sealed this instrument this _1st day of November 19 71 Tv- &A A I k.4 *1 ELM FORK CONSTRUCTION COMPANY,INC. 7 AUEJ.f r n pa !Surety j By! -txl Title l t Title r 4jjor py.-~ Address P. O. Box 20196 Address-~kpJ dedo # ayhj r~t Dallas, Texas 75220 /Ila rrresf (SEAL) (SEAL) The name and address of the Resident Agent of Surety is: Ai. . tar.f,_ ,ado / EPd~,-- SN;~~r ~a fl c 1,t br Note: Date of Bond must not be prior to date of Contract. 6 lO-i5-71 GENERAL CONDITIONS OF AGREEMENT 1. DEFI141TIONS OF TERMS 1.01 OWNER CONTRACTOR AND ENGINEER. The OWNER, the CONTRACTOR and the E GINS R arse persons or organ zations identified as such in the Agreement and are referred to throughout the Contract Documents as if singular in number and masculine in gender. The term ENGINEER means the ENGINEER or his duly authorized representative. The ENGINEER shall be understood to be the ENGINEER of the OWNER, and nothing contained in the Contract Documents shall create any contractual or agency relationship between the ENGINEER and the CONTRACTOR. 1.02 CONTRACT DOCUMENTS. The Contract Documents shall consist of the Notice to B ers (Advertisement), Instructions to Bidders, Proposal, Special Conditions, Signed Contract Agreement, Performance and Payment Bonds, Special Bonds (when required), General Conditions of Agreement, Technical Specifications, Plans, and all modifications thereof incorporated in any of the documents before execution of the agreement. The Contract Documents are complementary, and what is called for by any one shall be as binding as if called f-,r by all. In case of conflict between any of the Contract, Documents, priority of interpretation shall.ibe in the following order: Signed Agreement, Performance and Payment Bonds, Special Bonds (if any), Proposal, Special. Conditions o,.Agreement, Notice to Con- tractors) Technical Spacifications, Plans, and General Conditions of, Agreement. . , 1.03 SUB-CONTRACTOR. The term Sub-Contractor, as employed herein, in c u es only those having a direct contract with the CONTRACTOR and it in- cludes one who furnishes material worked to a special design according to the pplans or specifications of this work, but does not include one who merely furnishes material not so worked. 1.04 WRITTEN NOTICE. Written notice shall be deemed to have been duly served if delivered-in person to the individual or to a member of the firm or to an officer of the corporation for whom it is intended, or if delivered at or sent by registered mail to the last business address known to him who givec the notice, 1.05 WORK. The CONTRACTOR shall provide and pay for all materials, supplies, machinery, equipment, toots, superintendence, labor, services, insurance, and all water, light, power, fuel, transportation and other facilities neces- sary for the execution and completion of the work covered by the contract documents. Unless otherwise specified, all materials shall be new and both workmanship and materials !,hall be of a good quality. The CONTRACTOR shall, if required, furnish satisfactory evidence as to the kind and quality of materials. Materials or work described in words which so applied have a well known technical or trade meaning shall be held to refer to such recog- nized standards. 7 10-15-71 1.06 EXTRA WORK. The term "Extra Work" as used in this contract shall be understood o mean and include all work that may be required by the ENGI- NEER or OWNER to be done by the CONTRACTOR to accomplish any change, alteration or addition to the work shown upon the plans, or reasonably implied by the specifications, and not covered by the CONTPACTOR'S Pro- posal, except as provided under "Changes and Alterations", herein. 1.07 WORKING DAY. A "Working Day" is defined as any day not including Saturdays, Sundays or any legal holidays, in which weather or other con- ditions, not under the control of the CONTRACTOR, will permit construction of the principal units of the work for a period of not less than seven (7) hours between 7:00 a.m. and 6:00 p.m. 1.08 CALENDAR DAY. A "Calendar Day" is any day of the week or month, no days being excepted. 1.09 SUBSTANTIALLY COMPLETED. By the term "substantially completed" is meant that the s ructure as been made suitable for use or occupancy or the fao:ility is in condition to serve its intended purpose, but still may requiru minor miscellaneous work and adjustment. 2. RESPONSIBILITIES Of THE ENGINEER AND THE CONTRACTOR 2,01 OWNER-ENGINEER RELATIONSHIP, The ENGINEER will be the OWNER'S repre septa ve during co struc on. The duties, responsibilities and limitations of authority of the ENGINEER as' the OWNER'S representative during construotion are as set forth'In the Contract Documents andishall'not be extended ork limited without written consent of the OWNER and ENGINEER. The ENGINEER will advise and consult with the OWNER, and all of OWNER'S instructions to the CONTRACTOR shall be'issued through the ENGINEER. 2.02 PROFESSIONAL INSPECTION BY ENGINEER; The ENGINEER shall make periodic vf_sTts to the,s to to arh li-ari-i-e-Mmself generally with the progress of the executed work and to determine if such tirork generally meets the essential performance and design features and the technical and functional engineering requirements of the Contract Documents,, provided and except,'ho!oever, that the ENGINEER shall not be responsible for making any detaiieu, exhaustive, comprehensive or continuous on-site Inspection of the quality or quantity of the work or be in any way responsible, directly jr indirectly, for the construction means, methods, techniques, sequences, quality, procedures, programs, safety precautions or lack of same ircident thereto or in con- nection therewith, Notwithstanding any other'provision of this agreement or any other Contract Document, the ENGINEER shall not be in any way re- sponsible or liable for any acts, errors, omissions or negligence of the CONTRACTOR, any subcontractor or any of the CONTRACTOR'S or subcontractor's agents, servants or employees or any other person, firm or corporation' performing or attempting to perform any of the wcrk. 2,03 PAYMENTS FOR WORK. The ENGINEER shall review CONTRACTOR'S applications of payment an supporting data, determine the amount owed to the CONTRACTOR 8 10-15-71 and approve, in writing, payment to CONTRACTOR in such amounts; such approval of payment to CONTRACTOR constitutes a representation to the OWNER of ENGINEER'S professional judgment that the work has progressed to the point indicated to the best of his knowledge, information and belief, but such approval of an application for payment to CONTRACTOR shall not be deemed as a representation by ENGINEER that ENGINEER has made any examination to determine how or for what purpose CONTRACTOR has used the moneys paid on account of the Contract price. 2.04 INITIAL DETERMINATIONS. The ENGINEER initially shall determine a claims, disputes an o er matters in question between the CONTRACTOR and the OWNER relating to the execution or progress of the work or the interpretation of the Contract Documents and the ENGINEER'S decision shall be rendered in writing within a reasonable time. Should the ENGINEER fail to make such decision within a reasonable time, appeal to arbitration may be taken as if his decision had been rendered against the party appealing. 2,05 OBJECTIONS. In the event the ENGINEER renders any decision which, in the op n on of either party hereto, is not in accordance with the meaning and intent of this contract, either party may file with the ENGINEER within thirty days his written objection to the decision, and by such action may reserve the right to submit the question so raised to arbitration as hereinafter provided. 2.06 LINES AND GRADS. 'Unles,, otherwise specified, all lines and grades Shall` of si~iefil~y the ENGINEER or his representative. Whenever neces- sary,cohstruction work shall be suspended to perrlit performance of this work., but such suspension will' be as brief as practicable and'the'CON- MICTOR shall be' allowed no extra compensation therefor. The CONTRACTOR shall give the ENGINEER ample notice of the time and place where lines and grades will be heeded. All stakes, marks, etc., shall be carefully preserved by the CONTRACTOR,' and in case of careless destruction or re- moval by him or his employees, such stakes, marks, etc., shall be replaced at the CONTRACTOR'S expense. 2.07 CONTRACTOR'S DUTY AND SUPERINTENDENCE. The CONTRACTOR shall give adequate atten on to the faithful prosecution and completion of this con- tract and shall keep on the work, during its progress, a competent superin- tendent and any necessary assistants. The superintendent shall represent the CONTRACTOR in his absence and all directions given to him shall be binding at if given to the CONTRACTOR. The CONTRACTOR is and at all times shall remain an independent contractor, solely responsible for the manner and method of completing his work under this contract, with full power and authority to select the means, method and manner of performing such work, so long as such methods do not adversely affect the completed improvements, the OWNER and ENGINEER being interested only in the re ult obtained and conformity of such completed improveriants to the plans specifications and contract. 9 10-15.71 Likewise, the CONTRACTOR shall be solely responsible for the safety of himself, his employees and other persons, as well as for the protection of the safety of the improvements being erected and the property of him- self or any other person, as a result of his operations hereunder. Engi- neering construction drawings and specifications as well as any additional information concerning the work to be performed passing from or through the ENGINEER shall not be interpreted as requiring or allowing CONTRACTOR to deviate from the plans and specifications, the intent of such drawings, specifications and any other such instructions being to define with par- ticularity the agreement of the parties as to the work the CONTRACTOR is to perform. CONTRACTOR shall be fully and completely liable, at his own expense, for design, construction, installation and use, or non-use, of all items and methods incident to performance of Lire contract, and for all loss, damage or injury incident thereto, either to person or property, including, without limitation, the adequacy of all temporary supports, shoring, bracing, scaffolding, machinery or equipment, safety precautions or devices, and similar items or devices used by him during construction. Any review of work it process, or any visit or observation during con- struction, or any clar;fication of plans and specifications, by the ENGINEER, or any agent, employee, or representative of either of them, whether through pt!rsonal observation on the project site or by means of approval of shdpp drawings,for temporary construction or construction processes, or by other means or method, is agreed by the CONTRAC?OR to be for the purpose of observing the extent and nature of work completed or being performed, as measured ag4inst,the drawingo and specifications constituting the contract,r or for,,*, a purpose of enabling 'CONTRACTOR to inore fully undeis ajd. the plans and specifications so'that the complefed.construgirion work will conform thereto, and shall; in, no way .relieve the MORAC OR frt.►,.n, fu11 add complete responsibility for the proper performance of his wo'rk,c)'p the project, in- cluding but without limitation the propriety of means and methods`. of, he CONTRACTOR In performing said contract, and the adequacy of any.4esig'ns, plans or other facilities for accomplishing such performance. Deviation by the CONTRACTOR from plans and specifications that may have been in i, evidence during any such visitation or observation by the ENGIAER,' or any of his representatives, whether called to the CONTRACTOR'S attention or not shall in no way relieve CONTRACTOR ;rom his responsibility to complete all work in accordance with said plans and specifications. 2.08 _CONTRACTO 'SR UNDERSTANDING. It is understood and agreed that the ORNT 7 CTOR has, S y care ul examination, satisfied himself as to the nattire and location of the work, the conformation of the ground, the character,, quality and quantity of the materials to be encountered, the character of equipment and facilities needeJ preliminary to and during the prosecution of the work, the general and local conditions, and all other matters which can in any way affect the work under this contract. No verbal agreement or conversation with any officer, agent or employee of the OWNER OR ENGINEER either before or after the execution of this contract, shall affect or modify any of the terms or obligations herein contained. ` 10 10-15-71 2.09 CHARACTER OF WORKMEN. The CONTRACTOR agrees to employ only orderly an comppetent men, skill u in the performance of the type of work required under this contract, t, do the work; and agrees that whenever the ENGINEER shall inform him in writing that any man or men on the work are, in his opinion, incompetent, unfaithful or disorderly, such man or men shall be discharged from the work and shall not again be employed on the work with- out the ENGINEER'S written consent. 2.10 CONTRACTOR'S BUILDINGS, The building of structures for housing men, or the erection of tents or other forms of protection, will be permitted only at such places as the ENGINEER snail direct, and the sanitary condi- tions of the grounds in or about such structures shall at all times be maintained in a manner satisfactory to the ENGINEER. 2.11 SANITATION. Necessary sanitary conveniences for the use of laborers on the work, properly secluded from public observation, shall be constructed and maintained by the CONTRACTOR in such manner and at such points as shall be approved by the ENGINEER, and their use shall be strictly enforced, 2.12 SHOP DRAWINGS. The CONTRACTOR shall submit to the ENGINEV, with such process as 'to cause no delay in his own work or in that of, any other Contractor, four checked copias, unless otherwise specified, of all shop and/or setting drawings and schedules, required fof the'Work:of the various trades, and the ENGINEER shall pass upon them with reasonable,prom*gss, making desired coreq'6tiotjThe CONTRAVOk shal make' ariy *NcfM*r~t, re- quired by `the ENGINEEk, fle'with him two corFected toPi,es;and f~rni#h suth other, 601es as aiy be heeded. The' ENGINE SpprovaV6f slich" draw in , schedules shall not relieve the CONtRAdfW roWl Ospohgibiltty'for' deviations from drawings or specifications, unless he has in writing called the ENGI- NEER'S attentlon to'such dev#Atio6s at the, time of submission, nor shall it relieve him from responsib'lity for errors of any sort in shop drawings or schedules, it shall be the CONTRACTOR'S.responsi,bility,to fully and com rletely review all shop drawings to ascertain their effect on,his ability to perform the required contract work in accordance with the plans and specifications and within the contract time. Such reView by the ENGINEER shall be for the sole purpose of determining the sufficiency of said drawings or schedules to result in finished improvements in conformity with the plans and specifications, and shall not relieve the CONTRACTOR of his duty as 'an independent contractor as previously set forth, it being expressly understood and agreed that the ENGINEER does not assume any duty to pass upon the propriety or adequacy of such drawings or schedules, or any means or methods reflected thereby, in relation to the safety of either person or property during CONTRACTOR'S performance hereunder. 2.13 PRELIMINARY APPROVAL. Me ENGINEER shall not have the power to waive the o ,iga ons o s contract for the furnishing by the CONTRACTOR of good material, and of his performing good work as herein described, and in full accordance with the plans and specifications. No failure or omission of the ENGINEER to discover, object to or condemn any defective work or 11 10-15-71 material shall release the CONTRACTOR from the obligations to fully and properly perform the contract, including without limitations, the obligation to at once tear out, remove and properly replace the same at any time prior to final acceptance upon the discovery of said defective work or material; provided, however, that the ENGINEER shall, upon request of the CONTRACTOR, inspect and accept or reject any material furnished, and in event the material has been once accepted by the ENGINEER, such ac,:eptance shall be binding on the OWNER, unless it can be clearly shown thrt such material furnished does not meet the specifications for this work. Any questioned work may be ordered taken up or removed for re-examination, by the ENGINEER, prior to final acceptance, and if found not in accordance with the specifications for said work, all expense of removing, re-examination and replacement shall be borne by the CONTRACTOR, otherwise the expense thus incurred shall be allowed as EXTRA WORK, and shall be paid for by the OWNER; provided that, where inspection or approval is specifically required by the specifications prior to performance of certain work, should the CONTRACTOR proceed with such work without requesting prior inspection or approval he shall bear all expense of taking up, removing, and replacing this work if so directed by the ENGINEER. 2.14 DEFECTS AND THEIR REMEDIES. It is further agreed that if the work or any part ereo , or any material brought on the site of the work, or use in the work or selected for the same, shall be deemed by the ENG;►IER as unsuitable or not in conformity with the specifications,.the CONTRACTOR shall, after rgdeipt'of w'Htt'h notice thereof from;the ENGINEER, .forthwith remove slrh material and rehu ld or otherw :e remedy such work so that it shad be in full accordance 'with this contract. 2.15 CHANGES AND ALTERATIONS. The CONTRACTOR; further agrees that the OWNER may make suc changes and alterations as the OWNER mayy see'fit, in the lines 'grade, form,' dimensions, plans or materials for the work herein contemplated, or any part theroof, either before or after thebeginning of the construction', without affecting the validity of this contract and the accompanying Performance and Payment Bonds. If such changes or alterations diminish the quantity of the work to be done, they 'shall not constitute the basis for a claim for damages, or anticipated profits on the work that may be dispensed with, except as provided for unit price items under Section 5 "Measurement and Payment". If the `amount of work is increased, and the work can fairly be classified under the specifications, such increase shall be 'paid for according to the quantity actually do.ie and at the unit price, if any, established for such work under this contract, except as provided for unit price items under Section 5 "Measurement and Payment"; otherwise, such additional work shall be paid for as provided under Extra Work. In case the OWNER shall make such changes or alterations as shall make useless any work alread done, or material already furnished or used in said work, then the OWNER shall recompense the CONTRACTOR for any material or labor so used, and for any actual loss oc- casioned by such chahge, due to actual expenses incurred in preparation for the work as originally planned. 12 10-15-71 011 3. GENERAL OBLIGATIONS AND RESPONSIBILITIES 3.01 KEEPING OF PLANS AND SPECIFICATIONS ACCESSIBLE. The ENGINEER shall furnish the CONTRACTOR with an adequate an reasonable number of copies of all plans and specifications without expense to him, and the CONTRACTOR shall keep one copy of the same constantly accessible on the work, with the latest revisions noted thereon. 3.02 OWNERSHIP OF DRAWING . All drawings, specifications and copies there- of fur_n1 shed by the ENGINEER shall not be reused on othcl• work, and, with the exception of the signed contract sets, are to be returned to him on request, at the completion of the work. All models are the property of the OWNER. 3.03 ADEQUACY OF DESIGN. It is understood that the OWNER believes it has employed competent engineers and designers. It is thercfure, agreed that the OWNER shall be responsible for the adequacy of the design, sufficiency of the Contract Documents, the safety of the structure and the practicability of the operations of the completed project; provided the CONTRACTOR has complied with the requirements of the said Contract Documents, all approved modifications thereof, and additions and alterations thereto appproved in writing by the OWNER. The burden of proof of such compliance shall be upon the CONTRACTOR to show that he has complied with the said requirements of the Contract Documents, approved modifications thereof and all approved additions and alterations thereto. 3.041 OF ENTRY. The 04INER reserves the right to enter `the property or oca on o' n wh cW'the w6rks herein contracted for are to be constructed or installed, by, such agent or agents as he may elect, for the purpose of inspecting the work, or for the purpose of constructing or installing such collateral work as said OWNER may desire. 3.05 COLLATERAL CONTRACTS. The OWNER agrees to provide by separate contract or of erwl se, all15 bor a d material essential to the completion of the work specifically excluded from this contract, in such manner as not to delay the progress of the work, or damage said CONTRACTOR, except where such delays are specifically mentioned elsewhere in the Contract Documents. 3.06 DISCREPANCIES AND OMISSIONS. It is further agreed that it is the in- tent of this contract tt work must be done and all material must be furnished in accordance with the generally accepted practice, and in the event any discrepancies between the separate contract documents, the priority of interpretation defined under "Contract Documents" shall govern. In the event that there is still any doubt as to the meaning and intent of any portion of the contract, specifications or drawings, t,e ENGINEER shall d-fine which is intended to apply to the work, 3.07 E UIPMENT, MATERIALS AND CONSTRUCTION PLANT. The CONTRACTOR shall be responsible for the care, preservation, conservation, and protection of all 13 10-15-71 I I materials, supplies, machinery, equipment, tools, apparatus, accessories, facilities, all means of construction, and any and all parts of the work, whether the CONTRACTOR has been paid, partially paid, or not paid for such work, until the entire work is completed and accepted. 3.08 DAMAGES. In the event the CONTRACTOR is damaged in the course of the comps for o-' the work by the act, neglect, omission, mistake or default of the OWNER, or of the ENGINEER, or of any other CONTRACTOR employed by the OWNER upon the work, thereby causing loss to the CONTRACTO1, the OWNER agrees that he will reimburse the CONTRACTOR for such loss. In the event the OWNER is damaged in the course of the work by the act, negligence, omission, mistake or default of the CONTRACTOR, or should the CONTRACTOR unreasonably delay the progress of the work being done by others on the job so as to cau e loss for whicl the OWNER becomes liable, then the CONTRACTOR shall reimburse the OWNER for such loss. 3.09 PROTECTION AGAINST ACCIDENT TO EMPLOYEES AND THE PUBLIC. The CON- TR~TOR shall at -a`lT1 -ti es exercise reasonable precaut'ons Tor the safety of employees and others on or near the work and shall comply with all ap- plicable provisions of Federal, State, and Municipal safety laws and building and construction codes. All machinery and equipment and other physical hazards shall be guarded in accordance with the "Manual of Accident Pre- vention in Construction" of the Associated General Contractors of America except whe•e incompatible with Federal, State, or Municipal laws or`regu- lations. The CONTRACTOR shall provide such machihery guards, safe walkways, ladders, bridges, gangplanks, and other safety devices." The safety pre= cautions actually taken and their adequacy shall.be the sole responsibility of the CONTRACTOR, acting at'his discretion as an independent contractor. 3.101 PERFORMANCE AND PAYMENT BONDS.' 'lnless otherwise specified, it is further by tie part es to this hontract that the CONTRACTOR Will execute separate performance and payment bonds, each'iri the sum of one hundred (100) percent of the total contract price, in standard forms for this purpost, guaranteeing faithful performance of the work and the fulfill meat of any guarantees required, and further uaranteeing payment to' all persons supplying labor and materials or furnishing him any equipment In the execution of the Contract, and it is agreed that this Contract shall not be in effect until such performance and payment bonds are furnished and approved by the OWNER. Unless otherwise approved in writing by the OWNER, the surety company underwriting the bonds shall be acceptable according to the latest list of companies holding certificates of authority from the Secretary of the Treasury of the United States. Unless otherwise specified, the cost of the premium for the performance and payment bonds shall be included in the CONTRACTOR'S proposal. 14 10-15-71 3.11 LOSSES FROM NATURAL CAUSES. Unless ctherwise specified, all loss or damage to t ie i.(NTAdf6R arising out of the nature of the work to be done, or from the action of the elc *nts, or from any unforeseen circum- stances in the prosecution of the same, or from unusual obstructions W difficulties which may be encountered in the prosecution of the work, shall be sustained and oo,ne by the CONTRACTOR at his own cost and expense. 3.12 PROTECTION OF ADJOINING PROPERTY. The said CONTRACTOR shall take proper means o protect t e a scent or adjoining property or properties in any way encountered, which might be injured or seriously affected by any process of construction to be undertaken under this Agreement, from any damage or injury or reason of said process of construction; and he shall be liable for any and all claims for such damage on account of his failure to fully protect all adjoining property. The CONTRACTOR agrees to indemnify, save and hold harmless the OWNER and ENGINEER against any claim or claims for damages due to any injury to any adjacent or adjoining property, arising or growing out of the performance of the contract; but any such indemnity shall not apply to any claim of any kind arising out of the existence or character of the work. 3.13 PROTECTION AGAINST CLAIMS OF SU9-CONTRACTORS, LABORERS,MATERIALMEN AND S MAC-WI NE I ME qT AND UPP The ON OR agrees a he w 11 n emn y an save the MNrR an MEER harmless from all claims growing of the lawful demands.of ssb of,ofomachinery st land aborers, workmen,g'hrechenics', rrraterialmen and furnisher parts there- of, aquipment; power tools', and'bll supplies', includi g Commissary,,ikUrred in'the fatthe'rahce'of the performance of this contract. When so dosired by the OWNER, the'CONT11"4 CTOR shall furnish satisfactory 'evidence that all obli gationt of the'nature hereinabove designated have Wen paid, disc}arged or waived,` If the CONTRACTOR fails so to do, then the OWNER may;at the option of the CONTRACTOR either pay directly Iany unpaid bills, of which the OWNER has written notice, or withhold from the CONTRACTOR'.0 unpaid compensation a sum of money 'deemed reasonably sufficient to liquidate any and all such lawful claims until satisfactory evidence is furnished that all liabilities have been fully discharged, whereupon payments to the CONTRACTOR shall be resumed in full, in accordance with the terms of this contract, but in no event shall the provisions of this sentence be construed to impose any obli- gation upon the OWNER by either the CONTRACTOR or his Surety. 3.14 PROTECTION AGAINST ROYALTIES OR PATENTED INVENTION. The CONTRACTOR shial-1 pay a royalties an license fees, an s aff-Frofor the use of any design, device, material or process covered by letters patent or copy- right by suitable legal agreement with the patentee or owner. The CONTRACTOR shall defend all suits or claims for infringement of any patent or copyright rights and shall indemnify and save the OWNER and ENGINEER harmless from any loss on account thereof, except that the OWNER shall defend all such suits and claims and shall be responsible for all such loss when a particular design, device, material or process or the product of a particular manu- facturer or manufacturers is specified or required by the OWNER; provided, however, if choice of alternate design, device, material or process is is 10-15-71 I I allowed to the CONTRACTOR, then CONTRACTOR shall indemnify and save OWNER harmless from any loss on account thereof. If the material or process specified or required )y the OWNER is an infringement, the CONTRACTOR shall be responsible for such loss unless he promptly gives such information to the OWNER. 3.15 LAWS AND ORDINA11CES_. The CONTRACTOR shall at all times observe and comply with 'a7fiFederal, State and local laws, ordinances and regulations, which in any manner affect the contract or the work, and shall indemnify and save harmless the OWNER and ''r:NGINEER against any claim arising from the violation of any such laws, ordinances, and regulations whether by the CONTRACTOR or his employees, except where such violations are called for by the provisions of the, Contract Documents. If the CONTRACTOR observes that the plans and specifications are at variance therewith, he shall promptly notify the ENGINEER ^n writing, and any necessary changes shall be adjusted as provided in the contract for changes in the work. If the CONTRACTOR performs any work knowing it to be contrary to such laws, ordinances, rules and regulations, and wit;iout such notice to the ENGINEER, he shall bear all costs arising therefrom. In case the Owner is a body politic and corporate, the law from which i', derives its powers insofar as the same regulates the objects for which, or, the manner in which, or the conditions nder which the OWNER may enter into contract, shall be controlling, and shah be considered as part of this contract, to the same effect as 'though embodied herein, 3, 6 ASSIGNMENT ANO',$ kEtTING, The CONTRACTOR further agrees that he will re d persona con ro and fiI give his 'personal .attention,to,the fulfill- merit 6 ;this„contract' and that he will n as ot. sign by-power of, Attorney, or r M erwise,.or,sub.Jet said contract without the written consent of the, 1r'ELRr an8;that ro'part or, feature of the work will be sublet.to,anyone objectiona¢lgg to-the ENGINEER or the OWNER. .The,CCNTRAOOR;further agrees that the subletting of any portion'or feature of the work, or „zdteriais required in the 'PerfoFinance,of this contract, shall not.religve,the,CON- TRACTOR from his full,, obligations to the OWNER, as provided by this Agreement. 3.0 INDEMNIF'ICATION' The CONTRACTOR shall defend, indemnify and hold harm ess the W XR and the ENGINEER and their respective officers, agents and employees; from and against all damages, claims, losses, demands, suits, ,judgments and -•osts, including reasonable attorneys fees and expenses, arising out of or resulting from the performance of the work., provided that any such damages, claim, loss, demand, suit, ,judgment, cost or expense: (1) 1s attributable to bodily injury, sickness, disease or death or to injury to or destruction of tangible property (other than the work itself) including the loss of use resulting 0orefrom; and, (2) Is caused iii whole or in part by any negligent act or omission of the Contractor, any Subcontractor, anyone directly or indirectly employed by any one of them or anyone for vlhose acts any of them i, y be liable, re- gardlOss of whether or not it is o:aused in part by a party indemnified hereunder. lb 10-15-71 The obliggation of the CONTRACTOR under this Paragraph shall not extend to the liability of the ENGINEER, his agents or employees arising out of the preparation or approval of maps, drawings, reports, surveys,' Change Orders, designs or specifications, or the giving of or the failure to give directions or instructions by the ENGINEER, his agents or employees, provided such giving or failure to give is the primary cause of the injury or damage. 3.18 INSURANCE. The CONTRACTOR at his own expense shall purchase, maintain andIkeep Th- orce such insurance as will protect him from claims set forth below which may arise out of or result from the Cnntractor's operations under the Contract, whether such operations be by himself or by any Sub- contractor or by anyone directly or Indirectly employed by any of them, or by anyone for whose acts any of them may be liable: (1) Workmen's compensation claims, disability benefits and other similar employee benefit acts; (2) Claims for damages because of bodily injury, oc- cupational sickness or disease, or death of his employees, and claims insured by usual bodily injury liability coverages; (3) Claims for damages because of bodily injury, sickness or disease, or death of any person other than his employees, and claims insured by usual bodily injury liability coverages; and (4) Claims for damages because of injury to or destruction of tangible property; including loss'of use resulting therefrom, (5) The CONTRACTOR shall procure, maintain and keep in effect, Owner's Protective Insurance, which not only shall cover the CONTRACTOR but which 'shall cover all of the Contractor's Sub-Contractors. 3.18.1 CERTIFICATE OF INSURANCE.' Before commencing any of the work, CON RACTOR shall- fi eTi tTthe OWNER valid Certificates of Insurance acceptable to the OWNER and the ENGINEER. Such Certificates shall contain a provision that coverages afforded under the policies will not be cancelled until at least fifteen days' prior written notice hat been given to the OWNER. The CONTRACTOR shall also file with the OVINER valid Certificates of Insurance covering all sub-contractors. 4. PROSECUTION AND PROGRESS 4.01 TIME AND ORDER OF COMPLETION. It is the meaning and intent of this contract, un ess otrwise he specifically provided, that the CONTRACTOR shall be allowed to prosecute his work at such times and seasons, In such 17 10-15-71 order of precedence, and in such manner as shall be most conducive to economy of construction; provided, however, that the order and the time of prosecution shall be such that the work shall be substantially completed as a whole and in part, in accordance with this contract, the plans and specifications, and within the time of completion designated in the Pro- posal; provided, also, that when the OWNER is having other work done, either by contract or by his own force, the ENGINEER may direct the time and manner of constructing the work done under this contract, so that con- flict will be avoided and the construction of the various works being done for the OWNER shall be harmonized. i The CONTRACTOR shall submit, at such times as may reasonably be requested by the ENGINEER, schedules which shall show the order in which the CONTRACTOR proposes to carry on the work, with dates at which the CONTRACTOR wi)l start the several parts of the work, and estimated dates of completion of the several parts. 4.02 EXTENSION Or TIME. Should the CONTRACTOR be delayed in the completion of the work by any act or neglect of the OWNER or ENGINEER, or of any employee of either, or by other contractors employed by the OWNER, or by changes ordered in the work, or by strikes, lockouts, fires, and unusual delays by common carriers, or unavoidable cause or causes beyond the CONTRACTOR'S control, or by any cause which the ENGINEER shall decide justifies the delay, then an extension of time shall be allowed for completing the work, sufficient to compensate for the delay, the amount of the extension to be determined by the ENGINEER, provided, however, that the CONTRACTOR shall give'the ENGINEER prompt notice in writing of the cause of such delay. 4.03 HINDRANCES AND DELAYS. No claims shall be made by the CONTRACTOR for damages resu ng rom n rances or delays from any cause (except where the work is stopped by order of the OWNER) during the progress of any portion of the work embraced in this contract. In case said work shall be stopped by the act of the OWNER, then such expense as in the judgment of the ENGINEER is caused by such stoppage of said work shall be paid by the OWNER to the CONTRACTOR. 5. MEASUREMENT AND PAYMENT 5.01 QUANTITIES AND MEASUREMENTS. No extra or customary measurements of any kind W111 be allowed,` outtie actual measured and/or computed length, area, solid contents, number and weight only shall be considered, unless otherwise specifically provided. 5.02 ESTIMATED QUANTITIES. This agreement, including the specifications, plans an est mate, s Intended to show clearly all work to be done and material to be furnished hereunder. Where the estimated quantities are shown for the various classes of work to be done and material to be furnished under this contract, they are approximate and are to be used only as a basis for estimating the probable cost of the work and for comparing the proposals offered for the work. It is understood and agreed that the actual amount 18 10-15-71 of work to be done and material to be furnished under this contract may differ somewhat from these estii+ates, and that where the basis for pay- ment under this contract is the unit price method, payment shell be for the actual amount of such work done and the material furnished. Where payment is based on the unit price method, the CONTRACTOR agrees that he will make no claim for damages, anticipated profits or otherwise on account of any differences which may be found between the quantities of work actually done, the material actually furnished under this contract and the estimated quantities contemplated and contained in the proposal; provided, however, that in case the actual quantity of any major item should become as much as 20% more than, or 20% less than the estimated or contemplated quantity for such items, then either party to this Agreement, upon demand, shall be entitled to a revised consideration upon the portion of the work above or below 20% of the estimated quantity. A "Major Item" shall be construed to be any individual bid item incurred in the proposal that has a total cost equal to or greater than five (5) per cent of the total contract cost, computed on the basis of the proposal quantities and the contract unit prices. Any revised consideration is to be determined by agreement between the parties, otherwise by the terms of this Agreement, as provided'under "Extra Work", 5.0,1 PRICE OF WORK. In consideration of the furnishing" of all the necessary la~sr, equipment and material, and the completion of all work by t'he'CON- TRAC`;OR ~ and on:the completion of all, work and of the delivery.o'f' all ma- terial embraced in this Contract in full con 6 mit with the s ifttcations and stipulations herein contained, the OWNER agrees to pay thL~~ TRACTOR the prices set forth in-the Proposal hereto ettached, which has~en made a part`of this contract. The CONTRACTOR hereby agrees td recei,bve such prices in full for furnishing all material and all labor required for 06 aforesaid, work,'also for all expense incurred by him, and for well and truly perforinirg the same and the whole thereof in the manner and according to,t-61s Agreement. 5.04 PARTIAL PAYMENTS. On or before the 10th day of each month, the CONTRACTOR shall prepare and submit to the ENGINEU for approval or modifi- cation'a statement showing as completely as pracki,;able thetotal value of the work done by the CONTRACTOR up to and incluling the last day of the pre- ceding month; said statement shall also include the value of al] sound ma- terials delivered on the site of the work that are to be 'fabricated into the work. The OWNER'shall then pay the CONTRACTOR on or before the 15th day of the current month the total amount of the approved statement, less 10 per cent of the amount thereof, which 10 per cent shall be retained until, final pay- ment, and further less all previous payments and all further sums that may be retained by the OWNER under the terms of this Agreement. It is understood, however, that in case the whole work be near to completion and some 14 10-15.11 unexpected and unusual delay occurs due to no fault or neglect on the part of the CONTRACTOR, the OWNER may - upon written recommendation of the ENGINEER - pay a reasonable and equitable portion of the retained percentage to the CONTRACTOR; or the CONTRACTOR at the OWNER'S option, may be relieved of the obligation to fully complete the work and, thereupon, the CONTRACTOR shall receive payment of the balance due him under the contract subject only to the conditions stated under "Final Payment". 5.05 USE OF COMPLETED PORTIONS. The OWNER shall have the right to take pos-session of an use any completed or partially completed portions of the work, notwithstanding the time for completing the entire work or such portions may not have expired but such taking possession and use shall not be deemed an acceptance of any work not completed in accordance with the Contract Documents. If such prior use increases the cost of or delays the work, the CONTRACTOR shall be entitled to such extra compensation, or extension of time, or both, as the ENGINEER may determine. The CONTRACTOR shall notify the ENGINEER when, the the CONTRACTOR'S opinion, the contract is "substantially completed" and when so notifying the ENGINEER► the CONTRACTOR shall furnish to the ENGINEER in writing a detailed list of unfinished work, The ENGINEER will review the CONTRACTOR'S list of un- finished work and will add thereto such items as the CONTRACTOR has failed to include. The "substantial completion" of the structure or facility shall not excuse the CONTRACTOR, from performing all of the work undertaken, whether of a minor or major nature, and thereby completing the structure or facility in accor,daRce with the Contract Documents. 5.06 FINAL COMPLETION AND ACCEPTANCE. Within ten '(10) days after the CONw as given the EN I wr tten'notice that the work has been completed, or substantially completed, the ENGINEER and the OWNER shall ins Pect;the work and within said time, if the work be found to be completed or substantially Documents, the ENGINEER. shall .issue completed in accordance with the Contract to,;the OWNER and the CONTRACTOR his Certificate of Completion, and~theteupon it shall be the duty of the OWNER within ten (10) days to issue a Certificate of Acceptance of the work to the CONTRACTOR, or to advise the CONTRACTOR in writing of the reason for non-acceptance. 5.07 FINAL PAYMENT. Upon the issuance of the Certificate of Completion, therZIN R s a proceed to make final measurements and prepare final state- pent of the value of all work performed and materials furnished under the terms of the Agreement and shall certify same to the OWNER, who shall pay to the CONTRACTOR on or after the 30th day, and before the 35th day,+after:the date of the Certificate of Completion, the balance due the CONTRACTOR under the terms of this Agreement, provided he has fully performed his contractual obligations under the terms of this contract; and said payment shall become due in any event upon said performance by the CONTRACTOR, Neither the Certificate of Acceptance nor the final payment, nor any provision in the Contract Documents, shall relieve the CONTRACTOR of the obligation for fulfillment of any warranty which may be required. 20 10-15-71 5`08 PAYMENTS WITHHELD. The OWNER may, on account of subsequently dis- cove`r__ed evince, w old or nullify the whole or part of any certificate to such extent as may be necessary to protect himself from loss on account of: (a) Defective work not remedied. (ti) Claims filed or reasonable evidence indicating probable filing of claims. (c) failure of the CONTRACTOR to make payments properly to sub- contractors or for material or labor. (d) Damage to another contractor. (e) Reasonable doubt that the work can be completed for the unpaid balance of the contract amount. (f) Reasonable indication that the work will not be completed within the contract time. When the above grounds are removed or the CONTRACTOR provides a Surety Bond satisfactory to the OWNER, which will protect the OWNER in the amount with- held, payment shall be made for amounts withheld because of them. 5.09 DELAYED PAYMENTS. Should the OWNER fail to make payment to the CON- R.fi R o t e sum named in any partial or final statement, when payment is due, then the OWNER shall pay to the CONTRACTOR, in addition to the sum shown ,as due by such statement, interest thereon at the rate of'Six (6) per cent per annum, unless otherwise specified, from date due as provided under "Partial 'Payments" and "Final Payments"i until fully paid, which shall fully liquidate any injury to the CONTRACTOR growing out of such delay in payment, but the right is expressly reserved to the CONTRACTOR in the event payments be not promptly made,, as provided under "Partial Payments", to at any time thereafter treat the contract as abandoned by the OWNER and recover com- pensation, as provided under "Abandonment of Contract", unless such payments are withheld in accordance with the provisions of "Payments Withheld 6. EXTRA WORK AND CLAIMS 6.01 CHANGE ORDERS: k!ithout invalidating this Agreement, the OWNER may, a any time or from time to time, order additions, deletions or revisions to the work; such changes will be authorized by Change Order, to be prepared by the ENGINEER for execution by the OWNER and the CONTRACTOR. The Change Order shall set forth the basis for any change in contract price, as here- inafter set forth for Extra Work, and any change in contract time which may result from the change. In the event the CONTRACTOR shall refuse to execute a Change Order which has been prepared by the ENGINEER and executed by the OWNER, the ENGINEER may 21 10-15-11 in writing instruct the CONTRACTOR to proceed with the work as set forth in the Chatir Order and the CONTRACTOR may make claim against the OWNER .'or Extra Work involved therein, as hereinafter provided. 6.02 MINOR CHANGES: The ENGINEER may authorize miner charrjw, in the work not inconsistent with the overall intent of the Contract Dr,currients and not involving an increase in Contract Price. If the CONTRACTOR believes that any minor change or alteration authorized by the ENG11%U R involves Extra Work and entitles him to an increase in the Contract Prite, the CONTRACTOR shall make writter request to the ENGINEER for a written Field Order. In such case, the CONTRACTOR by copy of his communication to the ENGINEER or otherwise in writing shall advise the OWNER of his request to the ENGINEER for a written Field Order and that the work involved may result in an increase in the Contract Price. Any request by the CONTRACTOR for a change in Contract Price shall be made prior to beginning the work covered by the proposed change. 6.03 EXTRA WORK. It is agreed that the basis of compensation to the CON- OR Tor work either added or deleted by a Change Order or for which a claim for Extra Work is made shall be determined by one or more of the following methods: Method (A) - By agreed unit prices; or Method (B) By agreed lump sum; or Method (C)`- If neither Method (A) nor Method (B) be agreed'' upon before the Extra Work 'is commenced, then the CONTRACTOR Shall be paid the "actual field cost" of the work, plus fifteen (l5) per tent. In the event said Extra Work be performed and paid for under Method (C)' then the PProvisions of this paragraph shall apply and the "actual field costa is hereby defined to include the cost to the CONTRACTOR, of all workmen such as foreman, timekeepers, mechanics and laborers, and materials, supplies,' teams, trucks, rentals on machinery and equipment, for the time actually employed or used on such Extra Work, plus actual transportation charges necessarily incurred, together with all power, fuel, lubricants, water and similar operating expenses, also all necessary incidental expenses incurred directly on account of such Extra Work, including Social Security, Old Age' Benefits and other payroll taxes, and, a rateable proportion of premiums on Performance and Payment Bonds and Maintenance Bonds, Public Liability and Property Damarge-and Workmen's Compensation, and all other insurance as may be required by any law or ordinance, or directed by the OWNER, or by them agreed to. The ENGINEER may direct the form in which accounts of the "actual field cost" shall be kept and the records of these accounts shall be made available to the ENGINEER. The ENGINEER or OWNER may also specify in writing, 22 10-15-71 before the work commences, the method of doing the work and the type and kind of machiner; and equipment to be used, otherwise these matters shall be determined by the CONrRACTOR. Unless otherwise agreed upon, the prices for the use of machinery and equipment shall be determined by using 100 per cent, unless otherwise specified, of the latest schedule of Equipment Ownership Expense adopted by the Associated General Contractors of America. Where practicable the terms and prices for the use of machinery and equip- ment shall be Incorporated in the Written Extra Work, Order. The fifteen (15%) per cent of the "actual field cost" to be paid the CONTRACTOR shall cover and compensate him for his profit, overhead, general superintendence and field office expense, and all other elements of cost and axpense not embraced within the "actual field cost" as herein defined, save that where the CONTRACTOR'S Camo or Field Office must be maintained primarily on ac- count of such Extra Oork; then the cost to maintain and operate the same shall be included in the "actual field cost". No claim for Extra Work of any kind will be allowed unless ordered in writing by the ENGINEER. In case any orders or instructions, either oral or written, appear to the CONTRACTOR to involve Extra Work for which he should receive compensation or an adjustment in the construction time, he shall make written request to the ENGINEER for written order authorizing such Extra Work. Should a difference of opinion arise as to what does or does not constitute Extra Work, or as to the ppayment therefor, and the ENGINEER insists upon its performance, the Cbl{TRACTOR shall proceed with the work after making written request for written order and shall keep an accurate' account of-the "actual fidld cost" thereof, as provided under Method (C), The CONTRACTOR will thereby'preserve the right to submit the matter of 'payment to arbitration, as hereinbelow provided. 6.04 TIME OF FILING CLAIMS. It is further agreed by both parties hereto L at a questions of sputa or adjustment presented by the CONTRACTOR shrill be in writing and filed with the ENGINEER within thirty (30) days after the ENGINEER has given any d rections, order or instruction to which the CONTRACTOR desires to take exception. The ENGINEER shall reply within thirty (30) days to such written exceptions by the CONTRACTOR ar.J render his final decision in writing. In case the CONTRACTOR should appeal from the ENGINEER'S decision, any demand for arbitration shall be filed w'." the ENGINEER and the OWNER in writing within ten (10) days after the date of delivery to CONTRACTOR of the ENGINEER'S final decision. It is further agreed that final acceptance of the stork by the OWNER and the acceptance by the CONTRACTOR of the final payment shall be a bar to any claims by ` either party, except where noted otherwise in the Contract Documents. 6.05 ARBITRATION, All questions of dispute under this Agreement shall be submitted to arbitration at the request of either party to the dispute. The parties may agree upon one arbiters, otherwise, there shall be three, one named in writing by each party, and the third chosen by the two arbiters so selected; or if the arbiters fail to select a third within ten (10) days, he shall be chosen by a District Judge serving the County in which the major 23 10-15-71 portion of the project is located, unless otherwise specified. Should the party demanding arbitration fail to name an art::ter within ten (10) days of the demand, his right to arbitrate shall lapse, and the decision of the ENGINEER shall be final and binding on him. Should the other party fail to choose an arbiter within ten (10) days, the ENGINEER shall appoint such arbiter. Should either party refuse or neglect to supply the arbiters with any papers or info nation demanded in writing, the arbiters are empowered by both parties to take ex party proceedings. The arbiters shall act with promptness. The decision of a;v t;,o shall be binding on both parties to the contract. The decision of tv.e arbiters upon any question submitted to arbitration under this contract shalt be a condition precedent to any right of legal action. The decision of the arbtt'ar or arbiters may be filed in court to carry it into effect. The arbiters, if they deem the case demands it, are authorized to award the party whose contention is sustained, such sums as they deem proper for the time, expense and trouble incident to the appeal, and if the appeal was taken without reasonable cause, they may award damages for any delay occasioned thereby. The arbiters shall fix their own compensation, unless otherwise provided by agreement, and shall assess the cost and charges of the arbitra- tion upon either or both parties. The award of the arbiters must be made in writing. 7. ABANDONMENT OF CONTRACT 7.01 ABANDONMENT BY.CONTRACTOR. In case the CONTRACTOR should,abandon, an fa or refusF to resume work within ten (10) days 'after written notifi- cation from the OWNER, orAhe ENGINEER, or if the CONTRACTOR fails to-comply with the orders of the ENGINEER, when such orders are consistent with the Contract Documents, then, and in that case, whore performance and payment, bonds exist, the Sureties on these bonds shall be notified in writing iand directed to complete the work, and a copy of said notice shall be delivered to the CONTRACTOR. After receiving said notice of abandonment the CONTRACTOR shall not remove from the work any machinery, equipment, tools, materials or supplies then on the Job, but the same, together with any materials and equipment under contract for the work, may be held for use on the work by the OWNER or the Surety on the performance bond, or another contractor in completion of the work; and the CONTRACTOR shall not receive any rental or credit therefor (except when used in connection with Extra Work, where credit shall be allowed as provided for under Section G, Extra Work and Clam s), it being understood that the use of such equipment and materials will ultimately reduce the cost to complete the work and be reflected in the final settle- ment. Where there is no performance bond provided or in case the Surety „nould fail to commence compliance with the notice for completion hereinbefore 24 10-15-71 -7 I provided for, within ten (10) days after service of such notice' t OWNER ma hen the y provide for completion of the work in either of the following elective manners: 7.01.1 The OWNER may thereupon employ such force of men and use suet mac nery, equipment, tools, materials and supplies as said OWNER may deem necessary to complete the work and charge the expense of such labor, machinery, equipment, tools, materials and supplies to said CONTRACTOR, aid expense so charged shall be deducted and paid by the OWNER out of such moneys as may be due, or that may thereafter at any time become due to the CONTRACTOR under and by virtue of this Agreement. In case such expense is less than the sum which would have been payable under this contract, if the same had been completed by the CONTRACTOR, then said CONTRACTOR shall receive the difference. In case such expense is greater than the sum which would have been payable under this contract, if the same had been completed by said CONTRACTOR, then the CONTRACTOR and/or his Surety shalt pay the amount of such excess to the OWNER; or 7.01.2 The OWNER under sealed bids, after five (5) days notice published one or more times in a newspaper having general circulation in the, county of the location of the work, may let the contract for the completion of the work under substantially the same terms and conditions which are provided in this contract. fn case any increase in 'cost to the OWNER under the new contract as com ared to what would have been the cost under this c ntrac such increase shall be thaYged to the CON1'RACTO?'and 'the Surety'sh 11' be and remain''bdund ther6foe. However, should the cost to coHpiete-, y ~qch, new`cotltraCtIprove to'be'.lest than what'would have been the Zdst tq 1 11 oinptete under this contract,' the CONTRACTOR and/or his Surety shali'bo`credi~ed therewith: When the work shall have been substantially completed the CONTRACTOR and his Surety shall be so notified and Certificates of Completion„ and'Acceptance, as provided in Paragraph 5.06 hereinabove, shall be issued. ' A .oniplets itemized stet y event of the contract accounts, certified to by the RdIN M as being correct, shall then be prepared and delivered to ttre CONTRACTOR and his Surety, whereupon the CONTRACTOR and/or his Surety, or the C1dNER as the case may bo; shall pay the balance due as reflected by said state- ment, within fifteen (15) days after the date of such Certificate of Completion. In the event the statement of accounts shows that the cost to complete the work is less than that which would have been the cost to the OWNER had the viork been completed by the CONTRACTOR under the terms of this contract; or when the CONTRACTOR and/or his Surety shall pay the balance shown to be due by them to the OVER, then all machinery, equip,nent, tools, materials or supplies left on the site of the work shall be turned over to the CONTRACTOR and/or his surety. Should the cost ~,o complete the work exceed the contract price, and the CONTRACTOR and/or his Surety fail to pay the amount due the OWNER within the time designated hereinabove, and there remains any machinery, equipment, tools, materials or supplies on the site of the work, notice 26 10-15-71 thereof, together with an itemized list of suoh equipment and materials, shall be'in6iled to the CONTRAOTOR and his Surety at the respect+ae addresses designated in this contract, provided, however, that actual written notice given in any manner will satisfy this condition. After mailing, or c'.her giving of such notice, such property shall be held at the risk, of the CON- TRACTOR and his Surety subject only to the duty of the OWNER to exercise ordinary care to protect such property. After fifteen (15) days from the date of said notice the OWNER may sell such machinery, equipment, tools, materials or supplies and apply the net, sum derived from such sale to the credit of the CONTRACTOR and his Surety. Such sale may be rade at either public or privat,, sale, with or without notice, as the OWNER may elect. The OWNER shall release any machinery, equipment, tools, materials, or supplies, which remain on the work, and belong to persons other than the CONTRACTOR or his Surety, to their proper owners. The books on all opera- tions provided herein shall be open to the CONTRACTOR and his Surety. 7.02 ABANDONMENT BY OWNER. In case the OWNER shall fail to comply with the terms of this c ontract, and should fail or refuse to comply with said terms within ten (10) days after written notification by the CONTRACTOR, then the CONTRACTOR may suspend or wholly abandon the work, and may remove therefrom 611 machinery, tools and equipment, and all materials on the site of work that have not been included in payinents.to the CONTRACTOR and have not been wrought into the work. And .thereupon the ENGINEER shall make an estimate of the total' amount earned by the CONTRACTOR, which esti mate'shall'fnclude the value,'of all work actuAlly completed;by said CONTRAACTOA'Cat the prices stated in the attached proposal whore unit prices are useay,'the~value'of'all partially completed work-at a fair, and equitable pr1re, and the 'amount of all Extra Work performed at the prices agreed upon, or provided far by the terms of this contract, and a reasonable sum to cover the cost of any provisions made by the CONTRACTOR to carry the whole work to completion and which „cannot be utilized. The ENGINEER shall then make a final statement of the balance due the CONTRACTOR by deducting from the above n timate'all previous payments by the OWNER and all other sums that may be retained by the OWNER tinder the terms of this Agreement and shall certify same to the 01414ER who shall pay to the CONTRACTOR on or before thirty (30) days after the date of the notification by the CONTRACTOR the balance shown by said final statement as due the CONTRACTOR, under the terms of this Agreement.' END OF GENERAL CONDITIV3 26 10-15-71 MINIMUM WAGE SCALE The rates below have been determined by the City *)f Denton, Texas, in accordance with the statutory requirements and prevailing local wages. Overtime shall be paid for at the rate of one and one-half (1-112) times the regular rates for every hour worked in excess of forty (40) hours per week. CLASSIFICATION RATE PER HR. CLASSIFICATION RATE PER HR. Air Compressor Op. $ 1.50 Laborer (Common) $ 1.25 Air Tool Operator 1.35 Maintainer Oper. 2.00 Batterboard Setter 1.50 Mason Tender 1.25 Blade Grader Oper.(Self-Propelled) 2.00 Mechanic 2.00 Blaster (Powderman) 2.25 Mechanic's Helper 1.50 Bricklayer 2.00 Mixer Oper. 16 C.F.&Over) 1.75 Bullclam Operator 2.15 Mixer Oper. Less than 16C.F.)1.50 Bulldozer Operator 1.75 Mortar Mixer 1.25 Carpenter 2.25 Oiler 1.25 Clamshell Operator 1.90 Painter, Brush 1.75 Concrete Finisher 2.00 Painter, Stage Spray 2.00 Crane Operator 1.90 Pipe Layer 1.25 Derrick Operator 1.90 Power Equip. Op. Heavy 2.00 Dragline Operator 1.90 Power Equip. Op. Light 1.75 Elevating Grader Op. (Towed) 1.75 Pump Operator, Over 2" 1.50 Fireman 1.40 Pump Operator, 2" and Under 1.25 Form Builder 2.00 Roller Operator 1.50 Greaser 1.50 Scraper Opr. (Over 7 C.Y.) 1.75 Hoist Oper. (One Drum) 1.50 Scraper Opr. 7 C.Y. & Under)1.75 Hoist Oper. (Two Drum & Over) 1.75 Shovel Operator 2.00 Iron Worker (Rodman) 1.50 Trenching Machine Oper. 2.00 Iron Worker Struc. Steel) 2.00 Truck Driver 1-1/2T.or less 1.25 Joint Wor>:er 1.50 Truck Driver l-1/2T.or over 1.50 Kettleman 1.25 Welder 2.00 The Contractor shall comply with all State and Federal Laws applicable to such work. The above are minimum rates. Bidders shall base their bids on rates they expect to pay, if in excess of those listed. The Owner will not consider claims for extra payment to CONTRACTOR on account of payment of wages higher than those specified. ' I 9 DENTON, TEXAS ELEVATED TANK FOUNDATION, PIPING, AND APPURTENANCES DETAIL SPECIFICATIONS ITEM 1 - EXCAVATION AND BACKFILL 1.1 STRUCTURAL EXCAVATION: The Contractor shall make excavations required Tor tFie construction of all concrete foundations to the lines and grades indicated on the Plans. Excavation shall extend a sufficient distance from walls and footings to allow for forms, installation of services, and for inspection, except where concrete for walls and footings is authorized or required to be deposited directly against excavated surfaces. Where the excavation depth exceeds plan grade, the extra depth shall be filled with lean concrete or other approved material at the expense of the Contractor. All loose soil and humus shall be removed from the entire area within the ringwall. 1.2 TRENCH EXCAVATION A. General: The trenches shall be excavated to the alignment and depth as shown on the Plans or as required for the proper installation of the pipe. The trench shall be braced and/or dewatered, if necessary, in such manner that the workmen may work therein safely and efficiently. B. Trench Width: The trench walls in the pipe zone, from the trench bottom to at least one (1') foot above the top of the pipe, shall be vertical. The walls of the excavation above this specifically designated pipe zone shall be substantially vertical. The minimum and maximum width of trench excavation at the top of the pipe zone, measured one foot above the top of the pipe, shall conform to the following requirements: The minimum width of trench shall be the external diameter of pipe plus fifteen (15") inches. The maximum width of trench shall be the external diameter of pipe plus twenty-four (24") inches. C. Pipe Foundation: The trench shall be excavated to an even grade to permit the installation of the pipe in such a manner that the full length of the pipe barrel is supported on the trench bottom. The entire foundation area in the bottom of all excavations shall be firm, stable material, and material shall not be disturbed below required grade except as hereinafter described. Where the character of the foundation materials is such that a proper foundation cannot be obtained at the eleva- tion indicated by the plans, then, when directed by the Engineer in writing, the Contractor shall deepen the excavation to where a satisfactory foundation can be obtained. 1-1 If the subgrade is soft, spongy, or, disintegrated, the materials shall be removed until a firm, stable and uniform bearing is reached and the subgrade brought back to the required grade with material compacted in place or with granular or concrete embedment material. If the unsatisfactory sub- grade condition is due to the Contractor's failure to make a proper provision for adequate drainage of excavations, the expense of replar,ing any unsatis- factory subgrade shall be borne by the Contractor. Hower?r, if in the opinion of the Enginear, the unsatisfactory subgrade condition is not the result of the failure of the Contractor to provide adequate drainage, bailing or pumping facilities and the Engineer orders in writing that the Contractor make additional excavation and replace unsatisfactory subgrade material, then compensation will be made. 0. Correcting Faulty Grade: Any part of the trench excavated below grade shall be corrected with approved material, thoroughly compacted. E. Pipe Clearance in Rock: Ledge rock, rock fragments, or unyielding shale or marT shall e r~ emoved to provide a clearance of at least six (b") inches below dll parts of the pipe, valves or fittings. Adequate clearance for properly jointing pipe laid in rock trenches shall be provided at bell holes. F. Bell Holes Required: Bell holes of ample dimension shall be dug in trenches at each joint to permit the jointing to be made properly and so that the pipe will rest on the roil length of the barrel. G Depth and Alignment Control: Pipe shall be laid to the grades and elevations shown on the plans. The Engineer will furnish adequate bench- marks and reference stakes for the pipe installation. The Contractor shall set alignment and grade. The Contractor shall furnish personnel who are skilled in setting batterboards, and checking grade on both trench excavation and pipe laying. Substantial batter boards shall be set at intervals close enough so that when a grade string is pulled across the top the sag will not be more than 1/lb". Batterboards shall be straight. A +ninimum of 3 batterboards shall be in place at all times. H. Sheeting and Bracing: This Contractor shall furnish and install such sheeting, racing, and/or trench jacks as may be necessary to insure safe working conditions for personnel required to w,,)rk in the bottom of the trench. It is not the desire of the Owner or the Engineer to assume the responsibility of deciding what conditions are safe and what conditions are unsafe. The Contractor is expected to exercise good judgement and due caution in regard to safety of his personnel. The Engineer reserves the right, however, to require the Contractor to install trench bracing or re- sort to other safety measures in cases where, in the Engineer's opinion, a dangerous situation exists. 1-2 I. DDeewaterin9: This Contractor shall be responsible for the proper handling of water from any source which may find its way into the trench or excavations. Any water in the trench where pipe is being laid must be disposed of in a satisfactory manner so that pipe laying may be done in the dry. Also, concrete work must be done in the dry. The Contractor shall block storm drainage from ertering pier excavations, by earth levees or other approved means. 1.3 STRUCTURAL BACKFILL: Excavated earthen material shall be used for back- fillingand grading arcund str,:ctures to grades shown on Plans. Backfill may be placed in three-foot lifts and jttted with water. Pressure jetting shall continue in eac,l lift of backfill until that lift is completely saturated. The equipment for pressure jetting shall be equal to a fire hose having approximately a five-foot length of 3/4" pipe attached to the end which can be inserted down into the backfill while large quantities of water are being forced through under pressure. The source of water should preferably be a tank truck equipped with a pump for supplying large quantities of water under pressure. Experience has shown that gravity flow from a tank truck will not produce the desired results. The jet pipe shall be inserted at close in- tervals, and sufficient water shall be injected so that the backfill material will "melt and flow" together, and there will be no bridqing across on dry areas. 1.4 COMPACTED EMBANKMENT: Prior to plecing any embankment, including excess earth d s osal, a-lT clearing, grubbing and stripping operations shall be completed and stump holes or other small excavations shall be hackfilled with suitable material and thoroughly tamped. Embankment material shall not con- tain tress, stumps, roots, vegetation, large or frozen lumps, or other extraneous materials. The surface of the ground, including plowed, loosened ground, or surface rough?red in any manner, shall be restored to its approximate original slope by blading or other methods and, where required by the Engineer, the ground surface thus prepared shall be compacted by sprinkling and rolling. The fill shall be constructed in successive horizontal layers which shall not exceed eight (B") inches in depth prior to compaction. Layers may be formed by utilizing equipment which will spread Vie material as it is being dumped, or they may be formed by spreading from piles c. windrows. Each fill layer shall be uniform as to density and moisture content before beginning compaction. No material shall be incorporated into the fill in the form of windrow or dump but shall be moved by blading or similar means. Clods or lumps of material shall be broken and the fill material mixed by blading, harrowing, or similar methods to the end that a uniform material of uniform density is secured in each layer. Water required for sprinkling shall be evenly applied and it shall be the responsibility of the Contractor to secure a uniform moisture content throughout each Oyer by such methods as may be necessary. 1-3 Prior to and in conjunction with the rolling operation, each layer shall be brought to the moisture content necessary to obtain the required density and shall be kept leveled with suitable equipment to insure uniform compaction over the entire layer. For each layer of earth fill it is the intention of this specification to provide an apparent dry density of the minus 1/4-inch material of not less than 95% of the maximum dry density of samples of the material as determined by Standard Proctor Test procedures. 1.5 TRENCH BACKFILL: After the pipe has been laid and the Engineer's ap- proval obtained, the trench shall be backfilled with select material free from rock to a level of one foot above the top of the pipe. This back€ill material shall be placed in layers not exceeding six inches in thickness and tamped on both sides of OF pipe for the full width of the trench. Tamping shall be thoroughly done on each side of the pipe and under the pipe to secure firm contact between backfill material and the outside pipe surface. No rock shall be placed in backfill for one foot above pipe. The remaining backfill shall be placed in layers not exceeding three feet in depth and thoroughly settled by pressure jetting as described above for structural backfill. END OF ITEM 1-4 ITEM 2 - CAST IRON PIPE AND FITTINGS 2.1 PIPE: All cast iron pipe shall be new, shall be manufactured in the United State: of American, and shall be manufactured in compliance with Federal Specification WW-P-421b, being either Type 11 Rubber Ring Gasket Joint, or Type III Mechanical Joint. Pipe shall be Class 150 psi, and shall bear the approval of the Underwriters' Laboratories, Inc. Flanged ends shall be required as shown on the plans. Pipe barrel shall be designed for 8 feet of cover, trench condition B, and shall be manufactured from iron having a tensile strength of 21,000 pounds per square inch, and a modulus of rupture of 45,000 pounds per square inch, being designed in accordance with A.S.A. Specification A 21.1. For any variation in physical properties of iron there shall be correst3nding variation in metal thicknesses in accordance with A.S.A. Specification A 21.1. 2.2 FITTINGS: Cast iron press.:-e fittings shall be Class D in conformity with AWWA Specification C100-55, or shall conform to ASA Specification A21.10 Short Body Fittings. Flanged cast iron fittings shall conform to ASA Specifict;m-ion B16.1- 1948, 125if Standard, except as otherwise designated on the plans or shown in the Special Conditions. 2.3 LINING AND COATING FOR PIPE AND FITTINGS: All cast iron pipe and fittings shall be furnished with cement lining, seal coated and coated out- side, in accordance with Federal Specification WW-P-421b, except that thick- ness may be reduced to manufacturer's standard specification for sealed coated "Enameline" lining or "Cemelining." 2.4 JOINTS: Pipe joints, at the Contractor's option, may be mechanical joint or the slip-on rubber gasket joint of a type such as "Tyton," "Fastite," .or "Belltite," except where type of joint is specifically called for on the Plans. 2.5 INSTALLING CAST IRON PIPE AND FITTINGS A. Description: Cast iron pipe, fittings, specials, and valves are to be insta le at locations shown on the plans and specified in these contract documents. Unless otherwise indicated, pipe in trenches shall be laid to the grade shown or on an even grade from point to point for which elevations are furnished. Excavation to line and grade for pipe line shall not extend more than two hundred (200') feet ahead of the pipe laying. All of the requirements of the specification EXCAVATION AND BACKFILL govern for the excavation of trenches for laying cast iron pipe, fittings and specials. No special embedment material will be required. 2-1 B. Pipe Handling: All pipe, fittings, special castings and gate valves shall-Ne Tc;wered into trench by derrick, tripod, crane or other suitable machine and shall not be rolled in or "dumped" into the trench. Pipe, fittings and vaives shall be handled in such a manner as not to damage the coating. All dirt and trash that may be in the barrel of the pipe, on the spigot and/or in the bell shall be removed while the pipe is suspended. All pipe and fittings shall be handled and lowered into the trench with slings. The use of hooks for handling pipe and fittings will not be permitted. Where it becomes necessary to deflect the pipe to avoid obstruc- tions, the deflection of each joint must be approved by the Engineer. The pipe is to be kept clean during the laying operation and free of all sticks, dirt and trash, and at the close of each operating day the open end of the pipe is to be effectively sealed against the entrance of all objects and especially water. C. Joint Making - Mechanical Joints: For mechanical joints, the procedure for joint making shall generally be as follows: (1) The socket and plan end shall be thoroughly cleaned with soapy water, then slip gland and gasket over plain end with the small side of gasket and lip side of gland facing the bell. (2) The gasket is to be painted with soapy wate,*. (3) Push the gasket into position, making sure It is evenly seated in the socket. (4) Slide gland into position, insert bolts and run nuts on until finger tight. (5) Tighten bolts to uniform tightness with ratchet wrench. Tighten bolts 180-degrees apart alternately so as to bring up gland evenly all around the pipe. Generally, the bolts should be tightened as follows: Each bolt nut shall be pulled with a twelve (12") inch ratchet wrench as tight as is convenient when using one hand. 0. Rubber Gasket Joints: Rubber gasket joints shall be made in conformance with tie manufacturer's recommendations. The essential elements of procedure in this type of joint is as follows: (1) insert gasket in hlib end. (2) Lubricate the gasket with lubricant as recommended by the pipe manufacturer. (3) Force spigot end all the way into the bell socket. END OF ITEM 2-2 ITEM 3 - GATE VALVES, VALVE BOXES AND INSTALLATION 3.1 GENERAL: All gate valves shall be double disc parallel seat, iron body, bronze mounted throughout. Valves shall be machanical joint or flanged as shown on the plans. Unless shown otherwise on the plans all gate valves shall have non-rising stems and shall open by turning counterclockwise. Gate valves shall be designed to withstand a working pressure of 150 psi, and shall comply in all respects to AWWA Specifications C500-52T, latest revision. The valves shall be Mueller or approved equal. Gearing, gear case, and by-pass will be required on sixteen (16") inch and larger valves. Extended gear cases shall have remr,vable cast iron covers to allow servicing of packing glands. All valves shall be nut-operated, and shall be equipped with cast iron valve boxes. Valve boxes shall be of the extension type, Mueller No. H-10360 or equal, with base to fit the valve. 3.2 HANDLING AND INSTALLING GATE VALVES: Valves shall be carefully handled and towered into position by mechanical equipment in such manner as to prevent damage to any part of the valves. The valve shall be placed in proper position with stem truly vertical or horizontal as the case may be, and shall be securely held until all connections have been made. The Contractor shall furnish all bolts and gaskets for flanged connections. Valve shall rest on a concrete pad. After the valve box is in place, backfill material shall be firmly tamped around the outside so as to hold the box in proper position. The top of the box shall be adjusted to the proper elevation and securely held in place. END OF ITEM I 3-1 ITEM 4 - BUTTERFLY VALVES 4.1 GENERAL: This item covers the furnishing and installing of all butterfly valves'requlred for the project. Butterfly valves shall be installed at locations shown on the Plans and in accordance with these Specifications. Valves shall have an operating device as listed below. Butterfly valves shall be B-I-F, ienry Pratt, Allis-Chalmers, or Dresser. 4.2 _VALVE SCHEDULE: Valves required are as follows: No. Req'd Service Size Class Ends Operation 2 Clcarwell Inlet 36" 25A F. E. Handwheel, Gears and Outlet 2 Connection to 36" 25A P-381 or Handwheel, Exten. Ex'sting Lines M.J. Bonnet, Gears, Buried 4.3 CONSTRUCTION: Butterfly valves shall be cast iron,rubber seated, and in full actor ante with A.W.W.A. Specifications C504-66. Valves shall be of the short body type, with split V-type packing shaft seals. 4.4 OPERATORS: Valves shall be equipped with operators as shown in the tabu at ons above. Extension bonnets shall be of the proper length for above ground handwheel operation for buried valves. 4.5 PAINTING: Valves for buried or submerged service shall be shop painted with a eavy-duty asphalt-type coating. Valves to be exposed shall be cleaned to bright metal and shop-painted with a rust-inhibitive primer eq,lal to DuPont Dulux No. 160. END OF ITEM 4.1 ITEM 5 - CONCRLTL AND REINFORCING STEEL 5.11-GENERAL: Concrete shall be composed of portland cement, fine aggregate, coarse aggregate, water and water dispersing agent properly proportioned and mixed as hereinafter specified. All structural concrete shall be 3000 psi quality unless otherwise shown on the Plans. 5.2 MATERIALS: Portland cement shall conform to the specifications and tests for Type I portland cement of the American Society for Testing Materials, Serial Designation C-150. Fine aggregate shall conform to the Standard Specifications for Concrete Aggregate, ASTM Designation C-33. In addition to the requirements of the ASTM Specifications, the fine aggregate shall also conform to the following: (1) Loss shall not exceed ten (10%)percent by weight in five (5) cycle when tested for soundness in accordance 'ri:h AFTM Method of Test Designation C-88, except as noted in ASTM Specifications Designation C-33. (2) The amount of deleterious substances shall not exceed Recommended Permissible Limits as set forth in ASTM Specification Designation C-33, and "other deleterious substances" will not be alluwed. (3) The mortar, for test of fine aggregate, made and tested in accordance with Standard Method of Test for Measuring Mortar-Making Properties of Fine Aggregate, ASTM Designation C-87, shall develop a compressive strength at 7 and 28 days of not less than 100 percent of that developed by the mortar specified in that method as the basis of comparison. Coarse aggregates shall conform to the Standard Specifications for Concrete Aggregates, ASTM Designation C-33. In addition to the requirements of the ASTM Specifications, the coarse aggregate shall also conform to the following: (1) Wear shall not exceed 40 percent when tested according to ASTM Standard Method for Abrasion of Coarse Aggregates by Use of the Los Angeles Machine, Designation C-131. (2) Loss shall not exceed 13 percent by weight in five cycles when tested for soundness in accordance with ASTM Method of Test Designation C-88, except as noted in ASTM Specification Designation C-33. (3) The amount of deleterious substances shall not exceed Recommended Permissible Limits as set forth in ASTM Specification Designation C-33, and "other deleterious substances" will not Le allowed. For the Contractor's convenience, the ASTM grading requir~mnents applicable to this project are listed hereinafter: 5-1 FINE AGGREGATE SIEVE SIZE % PASSING 3/8 inch 100 No. 4 ....................95 - 100 No. 8 ....................80 - 100 No. 16 ...................50 - 85 No. 30 ...................25 - 60 No. 50 ...................10 - 30 No. 100 2 - 10 COARSE AGGREGATE SIEVE SIZE % PASSING 2". 100 1-112" ...................95 - 100 3/4" ....................35 - 70 3/8" .....................10 - 30 #4 ........................0 - 5 Water for concrete shall be clean and free from oil, acid alkali organic matter,or other harmful impurities. Water which is suitable for drinking, or for ordinary household use will be ac,;eptable for concrete. Where available, water shall be obtained from mains of a waterworks system. 5.3 COCRETE PROPORTIONS AND CONSISTENCY: Concrete shall be proportioned to give the necessary workability and strength and shall conform to the following governing requirements; Min. 28 Day Min. Cement Max. Size Max. Water Compressive Bags Per of Coarse Gals. Per Slump Strength Cu. Yds. A9 ry egate Bag Inches_ 3000 5.5 1-1/2" 6.25 4-6 2500 5.0 1-112" 7.00 4-6 1500 4.0 1-1/2" 8.00 3-4 Cradle 2.0 3" * 8.00 3-4 Stabilized Backfill 2.0 3" * 8.00 3-4 * May be "pit run" aggregate. The proportion of fine and coarse aggregate shall be such that the requirements of the following table are complied with: Ratio of Coarse Aggregate to Fine Maximum Size of Coarse AUreyate aggregate on Basis of Dry, and Rodded Volume Minimum Maximum 3/4" 0.6 1.5 1" and over 1.5 2.0 5-2 In no case shall the amount of coarse material be such to produce harshness in placing and hfineycombing in the structure when forms are removed. In the determination of the amount of water required for mix, considera- tion shall be given to the moisture content of the aggregate. The net amount of water in the mix will be the amount added at the mixer; plus the free water in the aggregate; and minus the abso°ption of the aggregate, based on thirty (3C) minutes absorption period. No water allowance will be made for evaporation after batching. The methods of measure of materials shall be scfch that the proportions of water to cement can be clsely controlled during the progress of the work and easily checked at any time by the Engineer or his representative. To avoiJ unnecessary or haphazard changes in consistency, the aggregates shall be ob':ained from a source which will insure uniform quality and grading during any single day's operation and they shall be delivered to the work and handled in such manner that the variations in moisture content will not interfere with the steady production of concrete of reasonable degree of uniformity. All sources of supply shall be approved by the Engineer. All materials shall be separately and accurately measured. Measurement may be made by weight or by volume, as may be elected by the Contractor; however, all equipment for measurement of materials shall be subject to approval by the Engineer. The proportions of the mix shall be such as to produce concrete that can be paddled readily into the corners and nagles of the forms and around the reinforcing without excessive spading, and without segregation or undue accumulation of water or laitance on the surface. 5.4 TRIAL MIXES: At least 35 days prior to the beginning of concrete placing, the Contractor shall submit samples of materials he proposes to use and a statement of proportions proposed for several concrete mixes, having sufficient range in slump to cover all placing conditions. The Engineer will require that laboratory tests be made and such changes as may be necessary to meet the requirements of the specifications. Laboratory tests on trial mixes shall show a 28-day strength 15 percent higher than the stated minimum 28-day strength. From these preliminary tests, the ratios between 7-day and 28-day strengths shall be established to determine at 7 days the strength necessary to satisfy the required 28•-day strengths. These ratios shall be modified as the work progresses as indicated by result of tests on cylinders made from field mixed concrete. If,during the progress of the work, it is found impossible to secure concrete of required workability and strength with the materials being furnished by the Contractor, the Engineer may order changes in proportions or materials, or both, necessary to secure the desired properties, subject to limitations already stated. The Contractor shall not make changes in materials, either gradation, scarce, or brand, or proportions of the mixture after their having once been approved except by specific approval of the Engineer. 5-3 The Contractor shall have the preliminary testing done by an approved testing laboratory, and shall pay for all preliminary tests on aggregates and test cylinders. If Contractor can provide mix design and satisfactory test cylinder • record from a recent job using same materials, then the preliminary test reg0 rements will be waived. 5.5 TRANSIT MIX CONCRETE: Transit mix concrete will be permitted in lieu of mixing on the ,lob; Provided all cf the following conditions are complied with: (1) All requirements otherwise specified for mixing on the Job shall apply. (2) Sufficient transit mix equipment shall be assigned exclusively to the project as required for continuous pours. (3) Satisfactory evidences shall be furnished that the delivery of concrete shall be continuous at regular and uniform intervals without stoppages or interruptions. (4) All concrete shall be deposited in the forms within 45 minutes after water has been added to the mix. Concrete retained in the truck longer than 45 minutes after water has been added to the mix will be rejected. 5.6 TESTING AND CONTROL OF MIX DURING CONSTRUCTION: Sufficient test cylinders wide made 5y tie End neer at intervals to determine compliance with the specifications. Compression tests of concrete cylinders will be made by an independent testing laboratory, selected and paid by the Owner. 5.7 FORMS: Forms shall be built mortar tight, and true to line and grade. Studs, wa ers, and approved form ties shall be used at the proper spacing and of the proper size to maintain straight lines on all vertical surfaces. Forms for surfaces requiring a rub finish shall be lined with plywood, "Masonite" or other approved form lining. Forms on vertical surfaces shall remain in place a minimum of s'.4 (6) hours. Forms under horizontal surfaces shall remain in place seven (7) days. 5.8 PLACING CONCRETE: The Contractor shall give the Engineer sufficient advance notice before starting to place concrete in any unit of the structure to permit the inspection of forms, the reinforcing steel placement and preparation for pouring. Unless authorized by the Engineer, no concrete shall be placed in any unit prior to the completion of the form work and the placement of the reinforcement. The sequence of placing concrete shall be as provided on the plans or in the specifications. The operation of depositing and compacting the concrete shall be conducted sc as to form a compact, dense, impervious mass of 5-4 uniform texture which shall show smooth faces on all surfaces. The placing shall be so regulated that the pressures crused by the plastic concrete shall not exceed the loads used in the design of forms. Careful attention shall be given by the Contractor to the proper curing of all concrete. Rigid templates shall be secured to the forms for holding anchor bolts in place while concrete is being poured and an accurate means, acceptable to the Engineer, shall be provided for checking the anchor bolt location while ourin;1 is in progress. 5.9 FREEZING WEATHER: When depositing concrete at or near freezing tempera- tures, tFe concrete shall have a temperature of at least 50 degrees F., but not more than 120 degrees F., when aggregates are heated. The concrete shall be maintained at a temperature of at least 50 degrees for not less than 12 hours after placing, or until the concrete has thoroughly hardened. When necessary, concrete materials shall be heated before mixing and heating apparatus such as stoves, solamander, etc., shall be supplied to maintain the concrete at the required temperature. The Contractor shall be responsible for the protection of concrete placed under any and all weather conditions. 5.10 CONCRETE FINISH: Exposed horizontal surfaces shall receive a steel trowe n s . Vert cal exposed surfaces shall receive a carborundum stone rub finish on the day after the pour is made. Rub finish will not be required on vertical surfaces which will not be exposed to view, 5.11 CURING: All concrete shall be cured by keeping continuously wet for seven days after pouring. On surfaces which do not require a rubbed finish, the concrete may be cured by supplying a curing compound in lieu of water curing if the Contractor so desires. Curing compound shall be "Hunts Process" or approved equal applied as closely behind concrete finishing as possible. 5,12 REINFORCING STEEL: Reinforcing steel shall be billet, steel, Grade 40, deforme bars, conforming to A.S.T.M. Specification A 615-68. All mill scale shall be removed before placing and bars shall be kept clean until concrete is placed. The steel shall be placed in the forms as shown or, the plans and shall be maintained in place by wiring or by any other Affective means ap- proved by the Engineer. E14D OF ITEM 5-5 Y ITEM 6 - CONCRETE PRESSURE PIPE 6 1 PIPE: Concrete pressure pipe shall be Reinforced Concrete Water Pipe - .feel Cylinder Type - Prestressed according to AWWA C301-64, or Pretensioned according to AWWA C303-70, with additional requirements and/or modifications as described herein. All pipe shall be designed for internal working pressure of 50 psi minimum. Plastic end covers shall be put on pipe before shipment from the pipe plant and shall remain intact until the pipe is laid. 6.2 SPECIAL RjUIREMENTS: A. Bell Rings: Bell ring thickness shall not be less than 3/16-incil B. Flanges: Flanges shall have ASA 126 psi standard drilling. C. Curing: The pipe shall be cured by steam curing (hot water vapor) at a temperature of 100°F. to 150°F. The pipe lining shall be steam cured for not less than 12 hours before placing helically wound reinforcement. The completed pipe shall be steam cured for an additional period of not less than 36 hours or water cured for a period of not less than 144 hours (6 days). Water curing is not acceptable if exposed to temperatures below 40°F, during curing period. 6.3 INSTALLATION: Concrete pipe and accessories shall be laid and jointed in accordance wT ih these specifications, in the presence of the Engineer and subject to his approval. Any material found during the progress of the work to have cracks, flaws, or other defects will be rejected by the Engineer, and the Contractor shall remove such from the site of the work. All pipe and fittirnls shall be laid and maintained to the required lines and grades and with all joints centered and spigots home. Pipe shall be laid to within two-tenths of a foot of true alignment in any fifty foot section and to within four one-hundredths of a foot of true grade at any point. Grade and batter boards shall be maintained so as to insure accurate placement of the pipe and fittings. Trench excavation and backfill shall be in accordance with the ap- plicable parts of this specification and the details shown on the plans. All concrete pressure pipe shall be bedded with sand, or granular material, to a minimum depth of 6-inches below bottom of pipe and 15-inches above bottom of pipe. Bell and spigot rings shall be thoroughly cleaned by wire brushing and wiping until clean and dry. Rubber gaskets shall be placed on the spigot ring when the pipe is being laid, and the spigot end of the pipe entered into the bell of the adjoining pipe without "bumping." Gasket and inside of the bell shall be lubricated with a solution of flax soap. In- side joint recess between ends of the pipe sections shall have a space of approximately one-half inch. ' 6.1 The exterior joint shall be made by placing a cloth Joint wrapper around the pipe which will be held in place with two strands of wire. The cloth wrapper shall be 9" wide and hemmed on each side to h-;d the wire ties. Cloth shall completely encircle the pipe with an opening at the end for pouring the joint. Wire ties shall be 16 ga. black annealed wire, and they shall encircle the pipe and be tied at the ends. Wrapper shall be secure before the joint is poured; wrappers shall be MAR-MAC wrappers. Grout shall consist of 1 part portland cement and 2 parts clean, fine, sharp, sand. Consistency shall be that of thick cream. Joint shall be filled with grout from one side in one continuous operation until grout has flowed around the pipe, the grout being rodded as it is poured. After backfilling the pipe trench, the inside Joint recess shall be filled with a 1:2 portland cement mortar. After filling the Joint the surface shall be leveled with the inside of the pipe by brushing. All foreign matter or dirt shall be removed from the pipe, and the pipe shall be kept clean by approved means during and after laying. Whenever the work of laying stops, the open ends shall be closed with a watertight cover. 6.4 TESTING: All tests shall be made under the supervision of the Engineer and to- s satisfaction. All lines shall be tested at the available hydro- static heads under which the particular line is to serve, and any leaks made good. 6.5 STERILIZATION: After completion of the work, the Contractor shall disinfect all lines prior to their being placed into service by filling with chlorinated water in which the chlorine residual shall be maintained at not less than 50 ppm for 24-hours. The Contractor shall furnish all materials, labor, etc. for disinfecting. END OF ITEM 6-2 ITEM 7 - TANK FOUNDATION 7.1 GENERAL: The foundation for the steel ground storage tank shall be constructed in accordance with the details shown on the Plans and the applicable items of these Specifications. The sub-grade within the ring wall shall be free of loose material, vegetation and roots, and shall be thoroughly compacted and sloped to drain. 7.2 GRAVEL BASE: A four (4") inch gravel base shall be placed according to t e etails shown on the Plans. Gravel shalt be placed and shall be compacted with a pneumatic tire roller. The base material shall be washed gravel or crushed stone and shall comply, in general, with the requirements for coarse aggregate, as speci- fied under the Item, "Concrete for Structures." The gradation shall be as follows: 0 - 5% retained on a 1" screen. 25 - 75% retained on a 1/2" screen. 95 - 100% retained on a 1/4" screen. 7.3 SAND CUSHION: The sand cushion shall be washed sand with 90% passing a / - nc s eve and not more than 10% passing a No. 8 sieve. The sand shall be placed and thoroughly compacted. The sand cushion shall be cone shaped with a slope of one (1") inch in ten (10') feet from the center to the outer edge and shall be thoroughly compacted. 7.4 PIPE CONNECTIONS TO TANK: This Contractor will be required to make Fhe connections to t e tan as shown on the Plans. The foundation shall be completed and the tank erected prior to making these connections. END OF ITEM 7-1 ITEM 8 - REPLACEMENT OF BASE COURSE AND PAVING 8.1 GENERAL: Where existing paving and/or base course is cut or removed, t s a 1 e replaced in accordance with these specifications. It is the intent of these specifications that in all cases where an existing pavement or base course is cut, that it shall be replaced under this contract to a condition equal to or better than the condition which ex.sted immediately prior to this construction. 8.2 ASPHALTIC PAVEMENT REPLACEMENT: In the replacement of asphaltic sur- facing, tie edges of the existing surfacing on either side of the trench shall be trimmed to straight parallel lines by cutting along a chalk line or other satisfacto,y method with a concrete saw c,, other approved method. The base shall be shaped so an asphaltic surfacr urse of one and one-half (1-1/2") inches will be obtained. The base sh- be swept clean of all loose material and primed by spraying wi!..h ft it 0.2 to 0.3 gallons per square yard of cut-back asphalt. Hand spraying or mopping will be permitted. The surfacing material shall be spread, thoroughly raked, leveled, and rolled with a five (5-T) ton, or larger, flat wheel roller. Care shall be exercised to replace the pavement to the proper cross section and elevation. Any high or low areas appearing during or after rolling shall be corrected by loosening the surface and then adding or removing the proper amount of asphaltic concrete and then re-compacting the surface. The edges of the new surfacing, after initial rolling, shall be from one-fourth (1/4") inch to three-eighths (3/8") inch above the old surface to allow for further compaction. Asphaltic concrete for replacing pavement cuts shall be pre-mixed lime- stone rock asphalt equal to "Flexmix" Type B Surface Course, as produced by Uvalde Rock Asphalt Co., of San Antonio, Texas. The Contractor shall submit samples and specifications of the material he proposes to use to the Engineer for approval prior to ordering shipment of such material. 8.3 FLEXIBLE BASE REPLACEMENT A. Material: At any location whero flexible base material is cut by the pipe trench, such material shall be replaced to a depth equal to the existing base course, but in no case shall the replaced base have a com- pacted thickness of less than 6" even if the existing base was thinner than 6". The replacel base course material shall be "Crushed Stone," and shall comply with the latest THD specifications, Item 242. This specification item is a standard specification contained in the 1962 Standara Specifi- cations for "Road and Bridge Construction." For convenience, some of the more essential portions of the THD specifications are as follows: 8-l 1Hit~ CRUSHED STONE Soil Constants LL - not to exceed 40 PI - not to exceed 12 . Gradation Ret. on 1-3/4" 0% Ret. on No. 4 - 45 to 75% Ret. on No. 40 - 60 to 95% Material source shall be tentatively approved by the Engineer before delivery of any material to the Job site. B. Construction Procedure: The subgrade on which base material is replaced sialTYe t oroug y compacted and finished to a uniform grade. The base material shall be wetted to approximately optimum moisture, and The the moisture shall be evenly distributed throughout the base material wetted base material shall be rolled with a pneumatic or vibrator typo, roller to 95% Standard Proctor Density. The surface of the base course shall be finished to a smooth uniform grade. END OF ITEM B-2 ITEM 9 - MISCELLANEOUS ITEMS 9.1 MANHOLE RINGS AND COVERS: Manhole rings and covers for valve vaults shall be Trinity Valley Pattern No. 672, or approved equal. 9.2 MANHOLE STEPS: Steps shall be Trinity Valley Pattern No. 100, or approved equal. 9.3 DRESSER COUPLINGS: Dresser rruplings shall be cast iron, Style 53, as manufactured of the Dresser Manufacturing Division of Dresser Industries, Inc., or approved equal. 9.4 PAINTING: Shop primed butterfly valves and uncoated steel piping ssiaRl be given two (2) field coats of machinery enamel equal tj DuPont Dulux. END OF ITEM 9-1 ITEM 10 - CLEAN-UP During construction, the Contractor shall maintain the premises in an orderly, neat, and presentable condition. Scraps and debris shall not be left scattered around, but shall be assembled together and such as are unusable shall be moved from the premises or disposed of to the satis- faction of the Engineer. When construction of this contract has been otherwise completed, the Contractor shall remove all leftover construction materials, equipment, scraps, debris, and rubbish. Earthwork shall be graded and smoothed to the lines shown on the plans, or as requested by the Engineer. END OF ITEM 10-1 a~awnr~~~~►~wwi~rrwaww~s ~e~ _ _ _ ~+~~i 1 wt u r ( y 4,j'~ 41-1 f .'77, 'r> AW r "ti 1 ~ i+.l, ix4'1k t4 T.", yl ~~rI lx br'Cu1F,?4"Cbnor. MPOSEO coNTouas' ~(x Headwoll ' 1 ~f ~.1 01 ,d BXISf+ CoNXi1ufls : IXW NG FENS r s- ryt ~XI stI ~30~V}nr4• s6we "s•r•..~ I r~rt ~ ~ rl r5 . ± n. Ir','I'h, r~~' ~ M.r .r ,n'„'. "w~'~. tir C.L .'ter .d ,t ~ l 'tOLOtOr PON0 r• ~~I y+; I~~x!~~ r x 7 "r l' .i, p.x i! 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