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HomeMy WebLinkAboutNCD980602163_19810801_Warren County PCB Landfill_SERB C_Construction Specifications and Contract Documents-OCRNORTH CAROLINA DEPARTMENT OF CRIME CONTROL AND PUBLIC SAFETY SPECIFICATIONS AND CONTRACT OOCUMENTS FOR PCB WASTE DISPOSAL SITE WARREN CO UN1Y, NC ITEM III-1990 CODE 14900 Al,tgust, 1981 Prepared by SVERDRUP & PARCEL 2211 W. Meadowview Road Greensboro, NC 27407 SUBMITTED FOR RB/IEW DO NOT USE FOR CONSTRUCTION AUG 1 2 931 NOTICE TO BIDDERS Sealed proposals will be received by the North Carolina Department of Crime Control and Public Safety, Architect Building, 512 North Salisbury Street, Raleigh, North Carolina, up to p.m., and immediately thereafter publicly opened and read for the furnishing of labor, material and equipment entering into the construction of PCB Waste Disposal Site, Warren County, North Carolina. Complete plans, specifications and contract documents will be open for inspection in the office of the North Carolina Department of Crime Control and Public Safety, Raleigh, North Carolina; in the office of Sverdrup & Parcel, 2211 West Meadowview Road, Suite 114, Greensboro, North Carolina 27407; the offices of the Associated General Contractors, Greensboro and Charlotte; and the offices of F. W. Dodge Corporation, Raleigh and Charlotte, North Carolina, or may be obtained by those qualified and who will make a bid, upon deposit of Twenty- Five Dollars ($25) in cash or certified check. The full deposit will be returned to those submitting a bona fide proposal provided plans and specifications are returned to the Engineer in good condition within ten (10) days after the date set for receiving bids. All contractors are hereby notified that they must have proper license under the State laws governing their respective trades. The work will consist of constructing a landfill for approximately 40,000 cubic yards of contaminated soil, placement of the soil, landfill close- out, and related miscellaneous work. General Contractors are notified that Chapter 87, Article 1, General Statutes of North Carolina, will be observed in receiving and awarding general con- tracts. Each proposal shall be accompanied by a cash deposit or a certified check drawn on some bank or trust company insured by the Federal Deposit Insurance Corporation, of an amount equal to not less than 5 percent of the bid executed by a surety company licensed under the laws of North Carolina to execute such bonds, conditioned that the surety will, upon demand forthwith make payment to the obligee upon said bond if the bidder fails to execute the contract in accordance with the Bid Bond. Said deposit shall be retained by the Owner as liquidated damages in event of failure of the successful bidder to execute the contract within 10 days after the award or to give satisfactory surety as required by law. Performance Bond and Payment Bond will be required for one hundred percent (100%) of the contract price. Payment will be made on the basis of ninety-five percent (95%) of monthly estimates and final payment made upon completion and acceptance of work. No bid may be withdrawn after the scheduled closing time for the receipt of bids for a period of thirty (30) days. 7219 PCB WASTE DISPOSAL SITE WARREN COUNTY NC Page II The Owner reserves the right to reject any or all bids and to waive infor- malities. 721~ PCB WASTE DI~POSAL SITE NORTH CAROLINA DEPARTMENT OF CRIME CONTROL AND PUBLIC SAFETY BY: Burley B. Mitchell, Jr. Secretary WARREN COUNTY NC NOTICE TO BIDDERS TABLE OF CONTENTS GENERAL CONDITIONS TABLE OF CONTENTS Instructions to Bidders General Conditions Supplemental General Conditions T E C H N I C A L S P E C I F I C A T I O N S DIVISION 1 -GENERAL REQUIB.EMENTS Not Used DIVISION 2 -SITE WORK 2A 2B 2C 2D 2E 2F 2G 2H 21 Cleaning and Grubbing Excavation and Stockpiling Landfill Construction Ground Water Monitoring Wells Chain Link Fence Membrane Liners Filter Fabric for Leachate System Protection Soil Erosion Control Seeding DIVISION 3 THROUGH DIVISION 14 Not Used DIVISION 15 -MECHANICAL 15A Carbon Filter System DIVISION 16 -ELECTRICAL Not Used BIDDING FORMS Form of Proposal Form of Bid Bond Form of Contract Form of Performance Bond Form of Payment Bond IB-1 GC-1 SGC-1 2A-1 2B-1 2C-1 2D-1 2E-1 2F-1 2G-1 2H-1 21-1 15A-l 2 1 4 2 2 2 Pages 2 Pages IB-2 GS-2 SGC-8 2A-2 2B-3 2C-6 2D-2 2E-5 2F-4 2G-2 21-3 15A-4 Pages Page Pages Pages Pages Sheet for Attaching Power of Attorney Sheet for Attaching Insurance Certificate Forms for Approval of Attorney General and Department of Administration 1 Page 1 Page 1 Page \ \ SGC-1 SUPPLEMENTARY GENERAL CONDITIONS Art. 43. GENERAL REQUIREMENTS These SUPPLEMENTARY GENERAL CONDITIONS are intended to supplement and/or amend requirements of GENERAL CONDITIONS OF THE CONTRACT, and, where requirements of this section conflict with or are at variance with those of the GENERAL CONDITIONS OF THE CONTRACT, they shall take precedence over and roodify such requirements to the extent of such conflict or variance. Art. 44 SCOPE OF WORK Construction of a landfill for the disposal of approximately 40,000 cubic yards of polychlorinated biphenyl (PCB) contaminated soil. The project will consist of the construction of the landfill, landfill liner, carbon filter system, monitoring wells, leachate control system, fencing and all necessary items as shown or and required by drawings and technical specifications. The North Carolina Department of Transportation will be responsible for hauling the contaminated soil to the site and maintaining the haul road.· The Contractor shalt, under the supervision of the Engineer, place and compac~ the material in the landfill. Art. 45 COORDINATION OF WORK The Contractor shall cooperate in the coordination of his activities with the North Carolina Department of Transportation to schedule the receiving of contaminated soil. The State of North Carolina will also be responsible for sampling and testing rainfall collected in the holding pond. Art. 46 CONSTRUCTION TIME AND LIQUIDATED DAMAGES a. Contractor shall commence work to be performed under his agreement on a date to be specified in a written order from the Engineer and shall fully complete all work according to the following schedule. 1. All work necessary for receiving contaminated soil . This includes up to and through construction of the upper leachate collection system, carbon filter system and ground monitoring wel+s -50 calendar days. \ SGC-2 2. Once the landfill is ready to receive contaminated soil, it is estimated that the total time to haul the contaminated soil shall be exceed a period of 6 weeks. Since the time required to place contaminated soil is dependent upon the Department of Transportation's schedule of hauling, no liquidated damages will be assessed for delays in this portion of the work. 3. Placing of top membrane and cover material of the landfill after all contaminated soil is placed -10 calendar days. 4. Completion of project including fencing, seeding, clean- up, etc. -20 calendar days after cover material has been placed over landfill. For each day in excess of the above number of days for only items 1, 3 and 4, Contractor shall pay to the Owner the sum of Two Hundred and No/100 Dollars ($200.00) as liquidated damages reasonably estimated in advance to cover the losses to be incurred by the Owner by reason of failure of said Contractor. to complete the work within the time specified, such time being in the essence of f his contract and a material consideration thereof. b. The Contractor's attention is invited to the GENERAL CONDITIONS OF THE CONTRACT, Article 18, "Time of Completion, Delays, Ex- tension of Time." Art. 47 CONSTRUCTION INDUSTRY CODE All work performed shall be in accordance with applicable requirements of the "Rules and Regulations Governing the Construction Industry," promulgated by the North Carolina Department of Labor. Art. 48 EXISTING CONDITIONS The Contractor, in submitting a proposal and in signing the contract, acknowledges that he has thoroughly investigated the existing facilities, has examined the drawings and specifications, and understands clearly the requirements necessary to construct to completion the improve- ments contracted for; that he is fully prepared to sustain all losses \ and damages incurred by the action of elements; and that he is prep~red to provide all necessary tools, appliances, machinery, skilled and unskilled workmen, and all necessary materials to successfully complete the work. Art. 49 INVESTIGATION OF SUBSURFACE SOIL CONDITIONS SGC-3 The Owner has had a subsurface investigation made of the site. Logs of the borings are included in the drawings for the convenience of the bidders. This information is included for information only, neither the Owner nor the Engineer assumes any responsibility for the accuracy of the data presented. It is the obligation of the Contractor to make his own determination of the conditions to be encountered and has satisfied himself as to the character, quality and quantity of surface and subsurface materials to be encountered from his inspection of the site and from reviewing any available records of exploratory work. Art. 50 ACCESS EASEMENT TO SITE An easement and right-of-way has been obtained for access to the site and is shown on the plans. It shall be the Contractor's responsibility to abide by all requirements and provisions of the easement. Copies of the easement and right-of-way are available upon request to the Engineer. Art. 51 SURVEY MONUMENTS Two permanent bench marks are located on the site and shall not be moved or altered in any way. If disturbed, they shall be replaced at the Contractor's expense. Art. 52 SHOP DRAWINGS Article 5 of GENERAL CONDITIONS OF THE CONTRACT is hereby modified to require the submittal of shop drawings, descriptive data, etc., be in five (5) copies for all submissions. Three (3) copies will be retained by the Engineer and two (2) copies returned to the Contractor. Copies will be forwarded by the Engineer to appropriate State of North Carolina officials. \ SGC-4 Art. 53 .· LOCAL OPTION SALES AND USE TAXES Local Option Sales and Use Taxes do apply to materials entering into State work as applicable. (Local Option Sales and Use Tax Act, Regulation #57.) Art. 54 ENGINEER Whenever the terms "Architect," "Engineer," "A-E," "Architect- Engineer," or "Engineer-Architect" are used in the Contract Documents, the intent and meaning shall be interpreted as defined in Article 1 of GENERAL CONDITIONS OF THE CONTRACT, and shall refer to SVERDRUP & PARCEL, 2211 W. Meadowview Rd, Greensboro, NC, 27407. Art. 55 TEMPORARY CONSTRUCTION CONDITIONS No water is available at the project site. Water shall be obtained for construction and testing by the Contractor at his expense. The Contractor shall provide and maintain sanitary facilities for his employees that will comply with the regulations of the local and state health departments. Authorized representatives of the State of North Carolina, U.S. Environmental Protection Agency, and other government officials shall at all times have safe access to the work and the Contractor shall provide proper facilities for such access and inspection. Art. 56 LIST OF DRAWINGS Sheet No. 1 2 3 4 5 6 7 8 9 Title Title Sheet Location and Site Map General Plan and Boring Locations Logs of Borings Site Grading and Erosion Control Plan Final Grading Plan Carbon Filter System Miscellaneous Details Cross Sections Art. 57 SITE PRESERVATION, RESTORATION, AND CLEANUP At all times during the work, keep the premises clean and orderly, and upon completion of the work repair all damag~ caused by equipment and leave the project free of rubbish and excess materials of any kind. SGC-5 Stockpile excavated materials in a manner that shall cause the least erosion. Remove all excavated materials from grassed areas and leave these surfaces in a condition equivalent to their original condition, and blend in with the surrounding terrain. Provide dust control at the landfill site at all times. Art. 58 TESTING The Owner will engage a testing laboratory to perform sampling and testing required herein. Except as otherwise specified herein, the cost of all tests required shall be paid by the Owner. Art. 59 EQUAL OPPORTUNITY CIAUSE/ .. Add the following to the General Conditions: "The non-discrimination clause contained in Section 202 Executive Order 11246, as amended by Executive Order 11375, relative to race, color, religion, sex or national origin, and the implementing rules and regulations prescribed by the Secretary of Labor, are incorporated herein." Art. 60 EMPLOYMENT OF THE HANDICAPPED The Contractors agree not to discriminate against any employee or applicant for employment because of physical or mental handicap in regard to any position for which the employee or applicant is qualified. The Con- tractors agree to take affirmative action to employ, advance in employment and otherwise treat qualified handicapped individuals without discrimination based upon their physical or mental handicap ' in .all employment practices. SGC-6 Art. 61 SAFETY REGUIATIONS The Contractor shall adhere to the rules, regulations, and interpretations of the North Carolina Department of Labor relating to Occupational Safety and Health Standards for the Construction Industry (Title 29, Code of Federal Regulations, 1926, published in Volume 39, Number 122, Part II, June 24, 197 4 Federal Register) which are hereby incorporated in these requirements. Art. 62 BID SECURITY Article 2: Bid Security in Instruction to Bidders (pg. IB 1) is revised as follows -Delete the entire second paragraph except the last sencence which reads, "Standard form of bid bond is included in these specifications~' Art. 63 REQUESTS FOR PAYMENT Article 24, Requests for Payments, on page GC-9 of GENERAL CONDITIONS is revised in accordance with the following: a. Not later than the 5_th day of the month, the Contractor shall submit to the Engineer a request fpr payment for work done during the previous month. The request shall be in the form agreed upon between the Contractor and the Engineer, but shall show substantially the value of work done and materials delivered to the site during the period since the last payment, and shall sum up the financial status of the contract with the following information: 1. Total of contract including change orders. 2. Value of work completed to date. 3. Less 5% retainage, provided however, that after 50% of the work has been satisfactorily completed on schedule, with approval of the Division of State Construction and written consent of the Surety, further requirements for retainage will be waived. 4. Less previous payments. 5. Current amount due. b. The Contractor, upon request of the Engineer, shall sub- stantiate the request with invoices or vouchers or payrolls or other evidence. SGC-7 c. Prior to submitting the first request, the Contractor shall prepare for the Engineer a schedule showing a breakdown of the contract price into values of the various parts of the work, so arranged as to facilitate payments to subcontractors in accordance with Article 33, Contractor and Subcontractor Relationships. d. When payment is made on account of stored materials and equipment, such materials must be stored on the Owner's property, and the requests for payments shall be accompanied by invoices or bills of sale or other evidence to establish the Owner's title to such materials and equip- ment. Responsibility for such stored materials and equipment shall remain with the Contractor regardless of ownership title. Such stored materials and equipment shall not be removed from the Owner's property. Should the space for storage on s ~te be limited, the Contractor, at his option, shall be permitted to store such materials and/or equipment in a suitable space off site. Should the Contractor desire to include any such materials or equipment in his application for payment, they must be stored in the name of the Owner in a commercial warehouse approved by the Engineer and the Division of State .Construction and located as close to the site as possible. The warehouse selected must be approved by the Contractor's bonding and insurance companies; the material to be paid for shall be assigned to the Owner and shall be inspected by the Engineer. Upon approval by the Engineer of the storage facilities and materials and equipment, payment therefore will be certified. Responsibility for such stored materials and equipment shall remain with the Contractor. Such stored materials and equipment shall not be moved except for trans- portation to the project site. Under certain conditions, the Engineer may approve storage of materials at the point of manufacture. The condi- tions under this procedure will be the same as outlined above in regard to bond, insurance, ownership. SGC-8 e. In the event of beneficial occupancy, retainage of funds due the Contractor(s) may be reduced with the approval of the Division of State Construction to an equitable amount to cover the list of items to be completed or corrected. Retainage may not be reduced to less than two and one-half (2 1/2) times the estimated value of the work to be completed or corrected. Reduction of retainage must be with the consent and approval of the Contractor's Bonding Company. FORM OC-15 INSTRUCTIONS TO BIDDERS AND GENERAL CONDITIONS OF THE CONTRACT STANDARD FORM FOR USE IN BUILDING PROJECTS STATE OF NORTH CAROLINA DEPARTMENT OF ADMINISTRATION PROPERTY CONTROL AND CONSTRUCTION DIVISION FIFTEENTH EDITION, APRIL 1971 \ ( 1) A financial statement showing assets and liabilities of the Company current to date within 30 days of the date of opening bids or other information satisfactory to the Owner. (2) A listing of not less than three complet- ed projects of similar scope and nature: (3) Permanent name and address of place of business. (' (4) The number of regular employees of the organization and length of time the organization has been in business under the present name. (5) The name and home office address of the Surety proposed and the name and address of the responsible local claim agent. (6) The names of members of the firm who hold appropriate trade licenses, together with license numbe:rs. Should the Owner adjudge that the apparent low bidder is not the lowest responsible bidder by virtue of the above information furnished, said apparent low bidder will be so notified and his bid security shall be returned to him without pre- j uclice. 5. Performance Bond: The Contractor shall furnish a surety bond executed on the form bound herein by a surety company duly authorized to do business 3/Il North Carolina in an amount at least equal to one hun- dred per cent ( 100 '1; ) of the contract prjce, as security for the faithful performance of this con- . tract and as security for the payments of all persons performing labor and furnishing ma- terials in connection with this contract. (i. Examination of Conditions: The submission of a bid will assume that the IB 2 \ Contractor has fully examined the site and knows existing conditions and has made every provision for operation under existing conditions, and has included all necessary items. 7. Payments: Payment shall be made on a basis of 90% of monthly estimated cost of labor and materials, including freight or hauling on receipted hilts. The contract payment shall be due and payable within ten (10) days after the Contractor's invoice has been certified for payment by the Architect or Engineer, the balance to be paid upon completion and acceptance · of the job. Total payment shall not exceed ninety per cent (90 %) of material and labor performed at any time, and shall not exceed ninety per cent (90'/c ) of the total con- tract. ( see General Conditions, Art. 24, regarding allowable reduction of retainage) Final payment shall be made to the Contractor within thirty ( 30) days after all work has been finally complet- ed and each and every provision of the specifica- tions and accompanying drawings complied with to the Owner's and Architect's or Engineer's sat- isfaction. Acceptance of the completed job shall be made by the Owner, or his representative, and the Architect or Engineer. Monthly invoices shall be forwarded to the Engineer or Architect not later than the 5th day of the month following in order to receive consideration. 8. Bids to be Retained:· No bid may be withdrawn after the schedul- ed closing time for the receipt of bids for a period of thirty (30) days pending the execution of a contract by the successful bidder. Should the suc- cessful bidder default and not execute a contract, then if the next low bidder be in line, the contract would be offered to the next lowest and respon- sible bidder. ed representatives. They will be referred to here- inafter as if each were of the singular number, masculine gender. d. The Contractor, as referred to hereinaf- ter, shall be deemed to be either of the several contracting parties called the "Party of the First Part" in either of the several contracts in connec- tion with the total project. Where, in special in- stances hereinafter, a particular contractor is in- tended, an adjective precedes the word "Contrac- tor", as "General", "Heating", etc. e. A sub-contractor, as the term is used here- in, shall be understood to be one who has entered into a direct contract with a Contractor, and in- cludes one who furnishes materials worked to a special design in accordance with plans and spe- cifications covered by the contract, but does not include one who only sells or furnishes materials not requiring work so described or detailed. f. Written notice shall be defined as notice in writing delivered in person to the Contractor, or to a partner of the firm in the case of a part- nership, or to a member of the contracting organ- ization, or to an officer of the organization in the case of a corporation, or sent to the last known b'usiness address of the contracting organization by Registered Mail. g. "Work", as used herein as a no\in, is in- tended to include materials, labor and workman- ship of the appropriate Contractor. h. Time of completion as stated in the con- tract documents is of the essence of the contract. Art. 2-Intent and Execution of Documents a. The drawings and specifications are com- plementary, one to the other. That which is shown on the drawings or called for in the speci- fications shall be as binding as if it were both call- ed for and shown. The intention of the drawings and specifications is to include all labor, mater- ials, transportation, equipment, and any and all other things necessary to do a complete job. In case of discrepancy or disagreement in the con- tract documents, the order of precedence shall be: Form of Contract, Specifications, Large Sc~le De- tail Drawings, Small Scale Drawings. b. The wording of the specifications shall be interpreted in accordance with common usage of the language except that words having a common- ly used technical or trade meaning shall be so in- terpreted in preference to other meanings. c. The Contractor shall execute each copy of the Proposal, Contract, and Performance Bond. ( 1). If the documents are executed by a sole Owner, that fact shall be evidenced by the word \ GC-2 "Owner" appearing after the name of the person executing them. (2). If the documents are executed by a partnership that fact shall be evidenced by the word "Co-Partner" appearing after the name of the partner executing them. (3). If the documents are executed on the part of a corporation, they shall be execut-~ by either the President or the Vice-President and attested by the Secretary in either case, and the title of the office of such persons shall appear after their signatures. The seal of the corporation shall be impressed on each copy of the documents. (4). All signatures shall be properly wit- nessed. ( 5). If the Contractor's license is held by a person other than an owner or officer of a cor- poration, company or partnership, then the licen- see shall also sign and be a party to the contract. The title "Licensee" shall appear under his signa- ture. d. Performance Bond ( 1). The Performance Bond shall be execut- ed by ar. Attorney-in-fact. There shall be attached to each copy of the bond a certified copy of Power of Attorney properly executed and dated. (2). Each copy of the bond shall be coun-. tersigned by an authorized individual agent of the Bonding Company licensed to do business in North Carolina. The title "Licensed Resident Agent" shall appear after the signature. (3). The seal of the Bonding Company shall be impressed on each copy of bond. (4). The Contractor's signature(s) on the Performance Bond shall correspond with that on the contract, such person signing the agreement involved under Laws of the State of North Caro- lina. Art. 3-Clarifications and Detail Drawings In such cases where the nature of the work requires clarification by the Engineer or Archi- tect, such clarification shall be furnished by the Engineer or Architect with reasonable promptness by means of written instructions or detail draw- ings, or both. Clarifications and drawings shall be consistent with the intent of contract documents, and shall become a part thereof. The Contractor(s) and the Architect or En- gineer shall prepare, if deemed necessary, a sche- dule fixing dates upon which forseeable clarifica- tions will be required. The schedule will be subject to addition or change in accordance with progress of the work. The Architect or Engineer shall fur- \ Each Contractor shall obtain written ap- proval from the Engineer or Architect for the use of substitute materials claimed as equal to those specified. Such approvals must be obtained as soon aftu contract awards as possible and be- fore any materials are ordered. Applications for approvals shall be made by the Contractor and not by sub-contractors or material men. Each separate Contractor shall submit within ten days following award of contract and written notice to begin the work a complete list of materials proposed for the job. When this list is approved, no further substitutions will be permitted except in unusual or extenuating circumstances. If no list is submitted, the Contractor shall supply ma- terials specified. Items of equipment, manufactured or fabri- cated, proposed in substitution for those speci- fied, shall be subject to final approval by the Property Control and Construction Division. At any one time during the construction and completion of the work covered by these specifi- cations, if the conduct of any workman of the various crafts be adjudged ungentlemanly and a nuisance to the Owner or Engineer or Architect, or if any workman be considered incompetent or detrimental to the work, the Contractor shall or- der such parties removed immediately fr,om the grounds. I Art. 10-Royalties. Licenses and Patents It is the intention of the Contract Documents that the work covered herein will not constitute in any way any infringement of any patent what- soever. unless the fact of such patent is clearly evidenced herein. The Contractor shall protect and save harmless the Owner against suit on account of alleged or actual infringement. The Contractor shall pay all royalties and/or license fees re- quired on account of patented articles or process- es, whether or not the patent rights are evidenced hereinafter. Art. 11-Permits, Inspections, Fees, Regulations Contractors are hereby notified that permit fees are not applicable to State work and the cost of same as would generally apply, shall not be included in the contract cost. The Contractor shall, however, cooperate with municipal authori- ties as to the extent of obtaining permits without cost so that credit can be obtained by the muni- cipality for the building program or construction work involved. The Contractor will not be required to pay any inspection fees and shall not include the cost of any such fees in his proposal. Should the Own- er desire inspections by local agencies, the Own- er will arrange for such inspections. Inspections required by State Law and accomplished by or through State Agencies shall be made at no cost to the Contractor. The Contractor shall give all notices and -comply with all laws, ordinances, rules and regu- lations bearing on the conduct of the work as drawn and specified. If the Contractor ooservea that the drawings and specifications are at var- iance therewith, he shall promptly notify the Architect or Engineer in writing and any neces- sary changes shall be adjusted as provided in the contract for changes in the work. If the Contrac- tor performs any work knowing it to be contrary to such laws, ordinances, rules, and regulations, and without such notice to the Architect or En- gineer, he shall bear all cost arising therefrom. The work covered by this contract is governed by State codes and regulations. The Contractor shall, if required, employ a Registered Engineer or Land Surveyor to lay out the work and to establish a bench mark near- by in a location where same will not be disturbed and where direct "shots" may be determined. Art. 12-Protection of Work, Property and the Public The Contractors shall be jointly responsible for the entire site and the building or construction of the same and provide all the necessary protec- tions, as required by the Owner or Engineer or Architect, and by laws or ordinances governing such conditions. They shall be responsible for any damage to 'the Owner's property, or of that of others on the job, by them, their men, or their sub-contractors, and shall make good such dam- ages. They shall be responsible for and pay for any claims against the Owner. All prime contrac- tors shall have access to the project at all times. The Contractor shall provide cover and pro- tect all portions of the structure when the work is not in progress; provide and set all temporary roofs, covers for doorways, sash and windows, and all other materials necessary to protect all the work on the building, whether set by him, or any of the sub-contractors. Any work damag-ed through the lack of proper protection or from any other cause, shall be repaired or replaced without extra cost to the Owner. No fires of any kind will be allowed inside or around the operations during the course of construction without special permission from the Engineer or Architect. The Contractor shall protect all trees and shrubs designated to remain in the vicinity of the operations by building substanfo,l boxes around same. Barricade all walks, roa<is, etc. as GC-4 \ tion of this project. Each Contractor shall l!>.y out and execute his work so as to cause the least delay to other Contractors. Each Contractor shall be held responsible for any damage to other Con- tractors' work, and each Contractor shall be held financially responsible for undue delay caused by him to other Contractors on the project. Each prime contractor is requested and re- quired to attend monthly job site progress confer- ences as called by the Architect or Engineer. Each prime contractor shall be represented at these job progress conferences by an authorative representative of the home office of the contrac- tor as well as by project personnel representa- tives. These meetings shall be open to subcontrac- tors, material suppliers, and any others who can .contribute beneficially toward maintaining requir- ed job progress and such personnel shall be en- couraged by the respective prime contractors to at- tend. It shall be the principal purpose of these meetings, or conferences, to effect coordination, cooperation, and assistance in every practical way toward the end of maintaining progress of the project on schedule and to complete the project within the specified contract time. Each prime contractor shall be prepared to assess progress of the work as required in his particular contract and to recommend remedial measures for cor- rection of progress as may 'be appropriate. The Engineer or Architect shall be the coordinator of the conferences and shall preside as cljairman. The Owner may designate a "Project Ex- pediter" for State-owned projects involving two or more prime contractors. Such "Project Expe- diter" shall be as designated in the Supplementary General Conditions. · It shall be the responsibility of the Project Expediter to schedule the work of all prime con- tractors; to maintain a progress schedule for all prime contractors for this project; and to notify the designer of any changes in the progress schedule. He shall be responsible for providing adequate notice to all prime contractors to insure efficient continuity of all phases of the project work. Designation as Project Expediter entails an additional project control responsibility and does not alter in any way the responsibility of the prime contractor so designated to the Architect/ Engineer and to all other prime contractors. Each other prime contractor is held respon- sible for keeping the Project Expediter fully informed as to his work progress, including immediate notification of any work progress changes. Art. 15-Changes in the Work work covered by the contract without invalidating the contract and without relieving or releasing the Contractor from any guarantee given by him per- tinent to the contract provisions, without affect- ing validity of the guarantee bond and without re- lieving the surety or sureties of said bond. All ex- tra work shall be executed under conditions of the original contract. Except in an emergency endangering life or property, NO CHANGE SHALL BE MADE BY THE CONTRACTOR EXCEPT UPON WRIT- TEN ORDER FROM THE ARCHITECT OR EN- GINEER COUNTERSIGNED BY THE OWNER AUTHORIZING SUCH CHANGE, AND NO CLAIM FOR ADJUSTMENT OF THE CON- TRACT PRICE SHALL BE VALID UNLESS AS ORDERED. In determining the values of changes either additive or subtractive, Contractors are restricted to the use of either of the three following meth- ods, singly or in combination. (a) Where the extra work involved is cover- ed by unit prices quoted in the Proposal, the value of the change shall be computed by application of unit prices based on quantities, estimated or actual as agreed, of the items involved. ( b) The contracting parties shall negotiate and agree upon the equitable value of the change prior to issuance of the change order and the change order shall stipulate the corresponding lump sum adjustment to the contract price. ( c) In the event of emergency endangering life or property the Contractor may be directed to proceed on a time and material basis whereupon· the Contractor shall so proceed and keep accu- rately in such form as may be required, a correct account of costs toR"ether with all proper invoices, payrolls. and supportinR" data therefor. Upon completion of the work the change order will be prepared as outlined under either Methods (a) or (b). or both. Method ( c) shall be used only in event of emergency endangering life or property. Under Methods (b) and (c), the allowances for overhead and profit combined shall not exceed fifteen per cent (15 7r ) of net cost except where the change involves a sub-contractor, allowance shall not exceed 15 'l< for the sub-contractor and 7½% for the prime contractor.· Under Method (a) no allowance shall be made for overhead and profit. In the case of deductible change orders, under Methods (b) and ( c), the Contractor shall include not less than 10% profit, but no allow- ances for overhead. The Owner may have changes made in the GC-6 The term "net cost" as used herein shall mean the difference between all proper cost ad- ditions and deductions. The "cost" as ..ised herein may include all items of material aud labor, the \ the time specified, such time being in the essence of this contract and a material consideration thereof. The Architect or Engineer shall be the judge as to division of responsibility between the sev- eral Contractors, and shall apportion the amount of liquidated damages to be paid by each of them, according to delay caused by any or all of them. See Supplementary General Conditions of the Contract, regarding time of completion and liqui- dated damages. If any Contractor be delayed at any time in the progress of the work by any act or neglect on the part of the Owner or the Architect or En- gineer, or of any employee or agent of any of these, or by any other prime contractor on the work, or by chan~es ordered in the work, or by strike, lockouts, fires, unusual delay in transpor- tation, unavoidable casualties, or any other cause beyond the Contractor's control or by reason of which the Architect or Engineer considers delay justifiable, then the time of completion will be extended such period considered reasonable by the Architect or Engineer. The Contractor shall notify his surety in writing of extension of time granted. Request for extension of time shall be made within ten (10) days following occurrence of the cause for delay. In case of a continuJng cause for delay, only one claim is necessary. No claim shall be allowed on account of fail- ure to furnish drawings or instructions until two weeks after demand for such drawings or instruc- tions; See Article 3. Art. 19-Correction of Work Before Final Payment Any work, materials, fabricated item, or other parts of the work which have been condemn- ed or declared not in accordance with the contract by the Architect or Engineer shall be removed from the work site by the Contractor, and shall be immediately replaced by new work in accord- ance with the contract at no additional cost to the Owner. Work or property of other Contrac- tors or the Owner damaged or destroyed by vir- tue of such faulty work shall be made good at the expense of the Contractor whose work is faulty. Correction of condemned work described above shall be commenced within twenty-four hours after receipt of notice from the Architect or Engineer, and shall be pursued to completion. Final payment will not be made until certifi- cates of the Architect, the Engineer, and such State Agencies having jurisdiction have been duly issued as required by State Laws. (G.S. 133-1.1) GC-8 Sho_uld the Contractor fail to proceed reason- ably with the above mentioned corrections, then the Owner may, after three days following notice to the Contractor from the Architect or Engi- neer, proceed with corrections, paying costs of same from amounts due or to become due to the Contractor. Condemned work so removed shall be the property of the Contractor, and shall be re- moved from the site of the work by him within ten days after notice to remove it, or, thereafter may be disposed of by the Owner without com- pensation to the Contractor. Should cost of correction exceed amounts due or to become due the Contractor, then the· Con- tractor and_lor his surety shall be liable for and shall pay to the Owner the amount of said excess. Art. 20-Correction of Work After Final Payment See Article 28, Performance Bond, and Arti- cle 42, Guarantee. Neither the final certificate, final payment, occupation of the premises by the Owner, nor any provision of the contract, nor any other act or instrument of the Owner, the Archi- tect or the Engineer shall relieve the Contractor from responsibility for negligence, or faulty ma- terial or workmanship, or failure to comply with the drawings and specifications. He shall correct or make good any defects due thereto and repair any damage resulting therefrom which may ap- pear during a period of twelve (12) months fol- lowing final acceptance of the work except as stated otherwise under Art. 42, Guarantee. The Owner will report any defects as they may appear to the Architect or Engineer, who will give in- structions for a time limit for completion of cor- rections to the Contractor. The Architect or Engi- neer will be the judge ·as to the responsibility for correction of defects. Art. 21-Owners Right To Do Work If, during the progress of the work or dur- ing the period of guarantee, the Contractor fails to prosecute the work properly or to perform any provision of the Contract, the Owner, after three days written notice to the Contractor from the Architect, Engineer, or Owner, may perform or have performed that portion of the work and may deduct the cost thereof from any amounts due or to become due the Contractor, such action and cost of same having been first approved by the Architect or Engineer. Should the cost of such action of the Owner exceed the amount due or to become due the Contractor, then the Contractor or his surety, or both, shall be liable for and shall pay to the Owner the amount of said excess. Art. 22-A11nulment of Contract If the Contractor fails to begin the work un- der the contract within the time specified, or was requested or which he decided is justly due, or shall state in writing to the Contractor and the Owner his reasons for withholding payment. No certificate issued or payment made shall constitute an acceptance of the work or any part thereof. The making and acceptance of final pay- ment shall constitute a waiver of all claims by the Owner except : · a. Claims arising from unsettled liens or claims against the Contractor. b. Faulty work or materials appearing after final payment. c. Failure of the Contractor to perform the work in accordance with drawings and specifi- cations, such failure appearing after final pay- ment. d. As conditioned in the Performance Bond. The making and acceptance of final payment shall constitute a waiver of all claims by the Contractor except those claims previously made remaining unsettled. The Architect or Engineer will not authorize final payment until the work under the contract has been certified by the Architect, the Engineer, and State Agencies having jurisdiction, all as re- quired by State Law. (G. S. 133-1.1) Art. 26-Payments Withheld The Architect or Engineer may witl)'hold pay- ment for any of the following reasons: a. Faulty work not corrected. b. Final or progress payments may be with- held due to claims filed against the Contractor, or evidence that a claim will be filed. c. Final payment may be withheld due to evidence that sub-contractors have not received payment in accordance with Article 33. d. The balance unpaid on the contract is in- sufficient to complete the work in the judgment of the Engineer or Architect. When grounds for withholding payment have been corrected, payment will be released. Art. 27-Insurance The Contractor shall not commence work un- der this contract until he has obtained all insur- ance required, and such insurance has been ap- proved in writing by the Owner, nor shall the Contractor allow any sub-contractor to com- mence work on his sub-contract until all similar insurance required of the sub-contractor has been so obtained and approved. a. Workmen's Compensation The Contractor shall take out and maintain during the life of this contract Workmen's Com- pensation Insurance for all employees employed at the site of the project under his contract. b. Public Liability and Property Damage The Contractor shall take out and maintain during the life of this contract such Public Lia- bility and Property Damage Insurance as shall protect him and any sub-contractor performing work covered by this contract, from claims for damage for personal injury, including accidental death, as well as from claims for property dam- ages which may arise from operations under this contract, whether such operation be by himself or by any sub-contractor, or by anyone directly or indirectly employed by either of them and the amounts of such insurance shall be as follows: Public Liability Insurance in an amount not less than $100,000 for injuries, including acciden- tal death, to any one person and subject to the same limit for each person, in an amount not less than $300,000 on account of one accident; and Property Damage Insurance in an amount not less than $50,000.1$100,000. c. Builder's Risk The Contractor shall take out and maintain during the life of this contract Builder's Risk Insurance in the amount of 100% of his contract. The insurance shall protect both the Contractor and the Owner as their respective interests ap- pear. Form 80 or the equivalent shall be used. In case of repairs, alterations, or additions to exist- ing buildings, Form 87 or the equivalent shall be u~ed. Builder's Risk Insurance shall include ex- tended coverage. d. Other Insurance The Contractor shall furnish such additional insurance as may be required by General Statutes of North Carolina, including motor vehicle insur- ance in amounts not less than statutory limits. e. Cancellation Each Certificate of Insurance shall bear the provision that the policy cannot be cancelled, re- duced in amount or coverage eliminated in less than five ( 5) days after mailing written notice to the insured and or the owner of such aitera- tion or cancellation, sent by registered mail. f. Proof of Carriage The Contractor shall furnish the Owner with satisfactory proof of carriage of the insurance required before written approval of such insur- ance is. granted by the Owner. Art. 28-Performance Bond Each Contractor shall furnish a Performance GC-10 the Contractor, and that the sub-contractor is bound by those terms as an employee of the Con- tractor. The Contractor further agrees to con- form to the "Code of Ethical Conduct" as adopt- ed by the Associated General Contractors of America, Inc., with respect to Contractor-sub- contractor relationships. Art. 34-Architect's or Engineer's Status The Architect or Engineer, either or both, acting singly or together, shall have general super- vision of the work. Either is the agent of the Owner only for the purpose of constructing this work and to the extent stipulated in the contract documents. Either has authority to stop work, or to order work removed, or to order corrections of faulty work where such action may be neces- sary to insure successful completion of the work. The Architect or Engineer is the impartial interpreter of the cqntract documents, and as such he shall exercise his powers under the contract to enforce faithful performance by both the Own- er and the Contractor, taking side with neither. Should the Architect or Engineer cease to be employed on the work for any rea"on whatsoever, then the Owner shall employ a competent Archi- tect or Engineer who shall assume the status of · the former Architect or Engineer. Art. 35-Architect's or Engineer'·s Decisions. The Architect or Engineer is charged v.,'ith the responsibility of interpretation of the contract documents and general directions of the work. He shall make decisions on all claims of the Con- tractor or the Owner, or on any matter dealing with the execution of the work. His decisions re- lating to artistic effect and technical matters shall be final, provided such decisions are within the limitations of the contract terms. Art. 36-Use of Premises The Contractor shall confine his apparatus, the storage of materials and the operations of his workmen to limits indicated by law, ordi- nances, permits, or directions of the Engineer or Architect and shall not exceed those established limits in his operations. The Contractor shall not load or permit any part of the structure to be loaded with a weight that will endanger its safety. The Contractor shall enforce the Architect's or Engineer's instruction regarding signs, adver- tisements, fires and smoking. other Contractors shown upon or reasonably im- plied by, the Drawings and Specifications for the completed structure, and he shall make good af- ter them as the Architect or Engineer may direct. Any cost brought about by defective or ill- timed work shall be borne by the party responsible therefor. The Contractor shall not endanger any work by cutting, digging or otherwise and shall not cut or alter the work of any other Contractor save with the consent of the Architect or Engineer. Art. 38-Utilities, Structures, Signs a. Sanitary Arrangements The General Contractor shall provide, if re- quired and where directed, a shed for toilet facili- ties and shall furnish and install in this shed all water closets required for a complete and ade- quate sanitary arrangement. These facilities will be available to other Contractors on the job and shall be kept in a neat and sanitary condition at all times. b. Temporary Structures The General Contractor shall, if required and where directed, erect a temporary field office, complete with lights, telephone, and heat in cold weather. A portion of this office shall be parti- tioned off, of sufficient size, for the use of a resident Inspector should the Engineer or Archi- tect so direct. Each Contractor shall provide all necessary storage sheds, shanties, etc., for his own use. All temporary structures shall be built in a sound waterproof manner and shall remain on the prem- ises until their removal is directed by the Engi- neer or Architect. c. Water The General Contractor shall consult with the Owner in regard to water supply. Water will be charged to the General Contractor at rate of cost to the Owner. Any expense of securing water shall be borne by the Contractor. The source of water shall be ~pproved by the Owner. The Gen- eral Contractor may charge other prime Con- tractors on a pro-rata basis for water used, sueh charge subject to approval of the Engineer or Architect. d. Electricity The Contractor shall consult with the Owner in regard to electrical servic~. Any expense Art. 37-Cutting, Patching, and Digging of securing construction electric service from the The Contractor shall do all cutting, fitting or source of supply shall be borne by the General patching of his work that may be required to Contractor. The source of supply shall be-ap- make its several parts come together properly proved by the Owner. The General Contractor and fit it to receive or be received by work of shall pay for electrical energy at rate of cost to GC-12 SECTION 2A CLEARING AND GRUBBING 2A-l 1. SCOPE: Furnish all labor, equipment, tools, and incidentals required to complete clearing and grubbing work to the extent necessary for the completion of other items of work. 2. GENERAL: The Contractor shall be responsible for estimating the amount of clearing and grubbing necessary for completion of the work. The designation of wooded areas on the plans is approximate and is included solely to make the Contractor aware that some clearing will be required. Excess clearing outside of the actual areas needed for construction shall not be allowed. 3. CLEARING 3.1 All trees, logs, brush crops, grasses, and debris of all kinds within the construction area shall be cut flush with the ground and disposed of as follows: 3.1.1 Timber of value may be cut and sold by the Contractor. 3.1.2 Contractor may burn the cleared vegetation in a single cleared area, approved by the Engineer. All burning shall be thorough and under constant supervision. Burning shall comply with all local, state, and federal laws and ordinances. 3.1.3 All unburned material shall be buried on the site, in an area, away from the landfill, approved by the Engineer. The area shall be graded and seeded in accordance with Section 21, "Seeding," after all material has been buried. 3.2 The Engineer will designate all trees, shrubs, and plants if any which are to remain. The Contractor shall protect and safeguard all vegetation designated to remain. Only vegetation in areas needed for construction shall b-e cleared. 2A-2 \ 4. GRUBBING 4.1 Grubbing shall consist of removing and disposing of stumps and roots within the construction area. All stumps, roots, and other objectionable material within the construction area in cuts shall be grubbed to a depth of at least 12 inches below the subgrade elevation. Where the finished grade elevation in embankment is 2 feet or mroe above the original ground, stumps may be cut off flush with the original ground surface or removed. 4.2 The products of grubbing shall be disposed of as designated under Paragraph "Clearing." 5. Comply with all codes, rules and regulations of all governmental agencies governing, clearing, grubbing and disposal of debris. 6. PAYMENT 6.1 Payment for all work in this section will included in the lump sum price in the Contractorts Proposal. 1. SCOPE SECTION 2B EXCAVATION AND STOCKPILING \ 2B-l 1.1 Furnish all labor, material, tools, ;and equipment necessary for stockpiling and excavation shown on the drawings and specified herein. 1.2 Related Work Specified Elsewhere 1.2.l Landfill construction specified in Section 2C, soil erosion control specified in Section 2H. 2. GENERAL REQUIREMENTS 2.1 The Contractor shall carefully examine the drawings, specifications, and the project site for thorough familiarization with all existing conditions and limitations, and their relationship to and effect upon the work included under this section of the specifications. No extra cost allowance shall be made for failure to do so, nor sh~ll adjustment in completion schedule be made. 2.2 Bench marks, monitoring wells, and other reference points shall be carefully maintained, and if disturbed or destroyed shall be replaced as directed at no additional cost to the Owner. 3. STOCKPILING 3.1 The Contractor shall excavate and stockpile required soils on the site, where necessary, or as shown on the drawings or directed by the Engineer, Selected excavated IDaterial shall be used for construction of the landfill. 3.1.1 Topsoil shall be stripped from the landfill construction area holding pond area, and any necessary borrow areas, and shall be stockpiled separately for use in final grading. Topsoil is defined as friable clay loam-- surface soil. \ 2B-2 3.1.2 Clay for use as clay liner shall be excavated from the landfill construction area, or from the illlillediately adjacent area if needed, and shall be stockpiled separately for use. Clay is defined, as per Federal Regulation 40 CFR 761.41 (b) (1) i thru v, as being soil having the following characteris- tics: 1) permeability< 1.0 x 10-7 cm/sec.; 2) Percent P-200 material 7 30/, 3) plasticity index 7 15, 4) Liquid limit 7 30. All material to be used for clay liner shall be approved by the Engineer. 3.1.3 Soil for use as bridging fill, liner protection,embankment construc- tion or landfill clo·se-out, shall be excavated from the landfill construction area, or from the innnediately adjacent area if needed, and shall be stockpiled separately for use. This material is defined as clean earth; free from debris, organic materials, trash and refuse, and shall not contain frozen material. All material used for fill shall be subject to the acceptance of the Engineer. 3.1.4 All necessary precautions shall be taken to prevent mixing or contamination of the stockpiled materials . 4. EXCAVATING . / 4.1 Excavate and grade as required to construct the landfill to the grades shown on the drawings. Unsuitable materials such as soft or spongy earth, muck, mud, decayed vegetation or organic matter, ashes, cans, etc., shall be removed and replaced with materials for landfill construction as described herein. 4.2 Excavate to elevations, slopes and dimensions as shown on the drawings. 4.3 Compact subgrade so that all ruts or soft spots are el:pninated. Any soft spots found, shall be excavated and be replaced with compacted fill as directed by the Engineer at no additional cost to the Owner. Remove all rocks and clods greater than 2 inches in diameter. 4.4 Excavation outside of the landfill area proper may be required to obtain sufficient material for clay liner, and for fill material. It shall be the Contractor's responsibility to obtain sufficie?t materials from the immediately adjacent area to construct the landfill as shown on the plans. \ 2B-3 5. PAYMENT 5.1 Payment for all work in this section will be included in the lump sum price in the Contractors Proposal. \ 2C-l SECTION 2C LANDFILL CONSTRUCTION 1. SCOPE 1.1 Furnish all labor, material, tools and equipment necessary for construction of the landfill as shown on the drawings and specified herein. 1.2 Related Work Specified Elsewhere 1.2.l Clearing and Grubbing as specified in Section 2A, Excavation and Stockpiling as specified in Section 2B, Landfill Liner as specified in Section 2F, Non-Woven Filter Fabric specified in Section 2G, Soil Erosion as specified in Section 2H, Seeding as specified in Section 21, Carbon Filter System as specified in Section 15A. 1.3.1 All references to NC DOT specifications refer to the North Carolina Department of Transport~tion, Standard Specifications for Roads and Structures, dated July 1, 1918, and latest amendments. 2. CONSTRUCTION SEQUENCE 2.1 Excavate landfill and stockpile materials, as specified in Section 2B. 2.2 Install lower leachate collection system. / 2.2.1 Construct lower leachate collection sump shown on drawings. Gravel shall be Standard Size #78M as specified in Table 905-1, Aggregate Gradation, of the NC DOT specifications. 2C-2 '· 2.2.2 Install 9-inch layer of Standard Size U2S aggregate as specified in Table 905-1 Aggregate Gradation, of NC DOT Specifications. 2.2.3 Compact 9-inch layer until no further consolidation is evident, and as approved by the Engineer. 2.2.4 Install lower leachate removal pipe as shown on the drawings. 2.3 Install 3O-mil PVC bottom liner as specified in Section 2F. 2.4 Install a 12-inch layer of compacted bridging fill on top of the PVC liner to protect the integrity of the liner. This protective layer shall be constructed so there is no damage to the liner. The material shall be placed in a single lift of 12" compacted thickness. Compaction shall meet the approval of the Engineer. The bridging fill material shall be as specified in Section 2B, and shall contain no rocks, clods or sharp objects which would harm the PVC liner. 2.5 Construction of Lower Clay Liner I 2.5.l Install a five foot thick clay liner, using stockpiled material, as specified in Section 2B. 2.5.2 The clay liner shall be installed in successive horizontal layers of not greater than 811 loose depth, for the full width of the cross-section. Compact each layer, as specified below, before placing successive layers. Aereate the material if excessively mosit. The procedure outlined below shall not relieve the Contractor of his duties to determine the most suitable pro~ cedure, all subject to the approval of the Engineer. After carrying out the grading, leveling, pulverizing, etc,, of the soil layer to be compacted, the Contractor shall add the necessary amount of water to permeate the pulverized soil in the quantity required, all in accordance with the instructions of the Engineer. The soil shall then be thoroughly mixed after adding water so as to achieve a homogeneous moisture content in the whole thickness of the layer. Before compacting, samples from the pulverized soil shall'b·e taken and tested (field testing using''Speedy Mbisture Device" or 2C-3 similar instrument giving direct readings for the filled moisture ~ontent may be used) in order to check the natural moisture content and bring it within +2 and -4 percent of the Optimum Moisture Content. When the material is within this moisture range, it shall then be leveled in order to commence earth compaction. After prtmary leveling, compaction shall be commenced by means of approved rollers in order to attain the required density. Pnuematic rollers only may be used to achieve compaction. Compacted thickness of each layer shall not exceed 611 , and each layer shall have a minimum density of 100 percent of the maximum dry density, ASTM D-698, or AASHTO T-99, Method A (Standard Proctor). The density of the compacted material shall be determined in accordance with AASHTO T-191 or ASTM D-1556 Test for Density of Soil-in-Place by the Sand Cone Method, or ASTM D-2937, Test for Density of Soil-in-Place by the Drive-Cylinder Method, with a minimum of 1 test per 10,000 square feet or a minimum of 2 tests per lift which ever is less. 2. 5. 3 Top surface of_ the clay liner shall be graded to the final elevations as shown on the drawings. I 2,6 Install upper leachate collection system, 2.6.1 Construct upper leachate collection sump as shown on the drawings. Gravel as specified for lower sump, 6.2.2 Install and compact 9....,..fnch layer of Standard Size Jl2S aggregate as herein before specified, for lower leachate collection system. 2.6,3 Install the upper leachate removal pipe as shown on the drawings, 2,6,4 Install the synthetic filter fabric over the upper leachate collection system as specified in Section 2G. 2C-4 2.7 Placement and Compaction of PCB Contaminated Soil. 2.7.1 After the upper leachate collection system and filter fabric have been constructed, placement of PCB contaminated material shall begin. 2.7.2 North Carolina Department of Transporation trucks will enter the landfill pit via the south end and place the PCB contaminated soil under the direction of the Engineer, as near as possible to final position. Care should be taken not to damage the filter fabric or leachate collection system, No dumping of contaminated soil outside the lined landfill area shall be allowed. 2.7,3 Trucks shall not be allowed on the Filter fabric until at least a twelve inch layer of soil has b.een placed over the filter fabric, This soil can be PCB contaminated so:U. into place. Rubber tired equipment shall be used to push and compact the waste The equipmen.t shall not be allowed to travel on the filter fabric unless there is at least 12-inches of material between the wheels and fabric. I . . No tracked vehicles shall be allowed. 2.7.5 For compaction of the l'CB contaminated soil the Contractor shall compact the material using a ten ton pneumatic roller with a minimum of six passes over each layer. Layers shall not exceed two feet in depth prior to compaction, (2.7.6 .I)µring the placement of the soil, the northeast corner of the land-,- f ill---shall remain unf:Uled and acts~-smnp to collect rainfall~~~Jfom the PCB contaminated soil in the landfill. A minimum of two acre feetfstorage shall I . be provided. The runoff shall be lutna-led ag specified in Section 15A, Carbon Filter System. 2.7.7 After all the contaminated soil has been placed in the landfill, the northeast corner shall be filled in and the landfill closed out. 2.8 Covering the Landfill 2.8.1 A mini.mum of one foot of soil as defined in Section 3.1.3 shall be placed on top of the waste to serve as a bridge. This layer shall be compacted and rough graded to approximately 10% slope as shown on the plans. This soil shallcontainno rocks, clumps, or debris larger than 2-inches. 2.8.2 The gas vent as shown on the drawings shall be placed in the apex. of the fill. 2.8.3 A two foot layer of clay as defined in Section 2B, Paragraph 3.1.2 shall be placed on top of the bridge layer compacted in 6-inch lifts to 100 per- cent density as defined by AASHTO T-99 as specified hereinbefore. 2.8.4 A 10-mil PVC linershallbe placed on top of this clay layer as specified in Section 2F. 2.8.5 A one-foot protective layer of soil as defined in Section 3.1.3 shallJ:,e placed over this liner. Care should be taken not to damage the liner during placement. 2. 8. 6 One foot minimum of stockpiled top soil shall be placed over the upper clay liner graded to 10 percent slope and seeded as specified in Section 2R. 3. Backfills 3 .1 All backfilling needed to construct the landfill not including PCB soil clay for the liner and fill for bridging shall be compacted in 6-inch lifts to 95 percent density as defined by AASHTO T-99. A minimum of 1 test per 50,000\ · square · feet · of · 2 tes·ts-per lift, which ever is · less, will be required as hereinbefore specified. 2C-6 \ 4. GRADING 4.1 The Contractor shall deposit on the site and grade as directed, all excavated material in excess of amounts needed for fill including excess material from drainage ditches. 4.2 Rough and finish grading shall proceed in a partical sequence as the construction work progresses. Grade to the elevation shown on the drawings. The final, rough-graded surface shall contain no debris or chunks of dirt larger than 2-inches in diameter. Grades for the landfill are shown on the drawings. 4.3 Finish grade to receive top soil shall be graded to a tolerance of 1/10 foot, plus or minus. 5. CLEANUP 5.1 Upon completion of the work, all rubbish and debris of every nature shall be buried as specified in Section 2A Clearing and Grubbing. 6. PAYMENT 6.1 Payment for all work in this section, except the placement of PCB contaminated soil will be included in the lump sum price in the Contractors Proposal. 6. 2 Payment for placement of PCB contamined soil wilL be included in the lump sum price in the Contractor's Proposal. This price is based upon furnishing all labor, materials, tools, and equipment necessary for the placement of contaminated soil for a period of six weeks during which the North Carolina Department of Transportation will haul contaminated soil. Adjustment in the contract lump sum price will be made for any increase in the number of working days contaminated soil is actually hauled. The adjustment will be made by application of the Daily Rate shown in the proposal to the number of days in excess of the six week period in which the North Carolina Department of Transportation actually hauls contaminated soil. 2D-1 SECTION 2D GROUND WATER MONITORING WELLS 1 SCOPE: Furnish all labor, equipment, materials, and tools necessary for the construction of three monitoring wells as shown on the drawings and specified herein. 2. GROUND WATER MONITORING WELLS 2.1 Drilling mud shall not be used. Casing shall be used if necessary. 2.2 The approximate locations and depths of all monitoring wells are shown on the drawings. Final locations and depths shall be determined in the field. 2.3 The well shall be 8-inch in diameter. 2.4 The well casing shall be 4-inch diameter, schedule 40 PVC or approved equal. 2.5 A continuous slot type 4~inch diameter PVC screen ten feet in length shall be provided at the lower end of the casing. This screen shall have an end cap. '· 2.6 The annular space around the casing and well screen shall be backfilled with a gravel pack graded to matcfi the scTeen slot size and sized upon manufacturer's recODllllendations, The material shall be such that a good communication between the ground water and the well can be established yet no particle migration is to occur, The top five feet of annular space will be grouted as shown on the plans. 2.7 The Contractor shall submit to the Engineer information concerning the screen and gravel pack prior to construction for approval. 2D-2 2.8 The Contractor shall properly develop the well by a method approved by the Engineer. 2.9 The Contractor shall provide a cap and precast concrete cover similar to the detail shown on the plans. 2.10 If a well is not satisfactory, as determined by the Engineer, the Contractor shall remove the well and backfill the hole, and redrill a new well at no additional cost to the Owner. 3. PAYMENT 3.1 Payment for all work in this section will be included in the lump sum price in the Contractors Proposal. \ \ 2E-l SECTION 2F CHAIN-LINK FENCE 1. SCOPE 1.1 Furnish all labor, material, tools, and equipment necessary for construction of chain-link fence and gate as shown on the drawings and specified herein. 1.2 The fence shall be 7 feet high above ground, using 6-foot-high chain-link fabric surmounted by three strands of barbed wire pointed 0 outboard at 45 angle. 2. SHOP DRAWINGS 2.1 Submit shop drawings for review in accordance with the require- ments of the General Conditions. 2.2 Shop drawings shall show ,complete details of fencing posts and gates. / 3. MATERIALS: Materials for fencing and gates shall conform to the following requirements: 3.1 Fabric: Chain-link fabric shall be aluminum-coated (0.4, ounces per sq ft) conforming to the requirements of ASTM A49.l-74, Class II, Fabric shall be woven from 9 gage (coated size}. wire in a 2-inch mesh. Fabric shall be knuckled at one selvage and twisted and barbed at the other selvage. 3.2 Posts and Braces 3.2.l All structural and roll-formed shapes shall conform to ASTM A-123 for galvanized coatin~. All tubular members shall conform to ASTM A-120, Schedule 40, for weight and coating. \ 2E-2 3. 2. 2 End, Corner, and Pull Post shall be 3-1/2'' x 3-1/2" roll- formed corner section having a minimum bending strength of 381 pounds. 3. 2. 3 Line Posts shall be C-section roll-formed 1.875" x 1.625" with minimum bending strength of 245 pounds. Posts shall be formed from steel conforming to ASTM A570-72, Grade E. 3.2.4 Gate Posts: .1 Gate leaves up to and including 6 1· .... ot wide shall be 3..-1/2" x 3-1/2" roll-formed section. 3.2.5 Braces shall be 1.625n x 1.251' roll-formed 1'C 11 -section with minimum bending strength of 192 pounds. Furnished complete with 3/8n diameter rod and adjustable takeup assembly. 3.3 Accessories 3.3.1 All accessories except tie wires and barbed wires shall be galvanized conforming to ASTM Al~3. 3.3.2 Barbed Wire Supporting Arm shall be heavy, pressed steel to acconnnodate 3 rows of barbed wire. Arms shall extend outward at a 45 degree angle with a 3-inch apron around the post and capable of with~ standing a 250-pound pulldown load from end of the arm. 3.3.3 Post Tops shall be pressed steel or lllalleable iron designed as a weathertight closure cap for tubular posts. 3.3.4 Barbed wire shall be double strand 12-1/2 gage twisted wire with 14-gage, 4 point, round aluminum barbs spaced on approx:;imately 5-inch-centers, conforming to the requ;trements of ASTI1 A585..--71, Mini- mum weight of aluminum coating shall be 0.30 ounces per square foot of wire surface. 2E-3 3.3.5 Top and Bottom Tension Wire shall be No. 7 gage aluminum coating spring coil or crimped wire. Minimum weight of aluminum coating shall be 0.40 ounces per sq ft of wire surface. 3 .3. 6 Stretcher Bars: (For tubular end and gate postEi)_ shall be one-piece-lengths equal to the height of the fabric with a minimum cross-section of 3/16" x 3/4". 3.3.7 Stretcher Bar Bands shall be heavy, pressed steel bands to secure stretcher bars to tubular posts. 3.4 Gates: Swing gates shall have perimeter frame of 1.90" O.D. tubular members. Centilever-style sliding gates shall have top card bottom frame member of 2-3/8 inch O.D. weighing 3.65 lbs per linear foot. Side and intermediate frame members shall be 1.9 inch O.D. weighing 2.72 lbs-per-linear-foot. Galvanize coating shall conform to ASTM Al20. Gates may be fabricated using weld_ed construction or heavy pressed steel or malleable iron c_9rner fittings securely riveted. Fabric shall be the same as for fencing. Fabric shall be attached with stretcher bars at vertical edges and tied at top and bottom with tie wires. Extension arms for barbed wire shall be 1.9 inch o.n. tubing 2'-6" attached to the yard side of the vertical frame member with pipe clamp. Barbed wires on gate shall be aligned horizontally with barbed wires on the fencing. 3.5 Gate Hradware 3.5.l Hinges shall be pressed steel or malleable iron suitable for gate size. 3.5.2 Latch: Forked..-type or plunger-bar-type to permit operation from either side of gate. Provide padlock eye as integral part of latch, \ 2E-4 3.5.3 Keeper: Provide keeper for swing gates which engages the gate leaf and holds it in the open position until manually released. 3.5.4 Gate Stops: Gate stops for all double gates shall be either mushroom-type or flush plate with anchors, suitable for setting con- crete. Locking device and padlock eyes shall be integral part of latch requiring one padlock for both gate leaves. 3.6 Concrete: Concrete shall be 2500 psi compressive strength at 28 days. Concrete and placement shall conform to the requirements of the American Concrete Institute (ACI) "Building Code Requirements for Structural Plain Concrete." (ACI 322-72) 4. INSTALLATION 4.1 All work in connection with installation of chain-link fence shall conform to Chain-Link Manufacturer's Institute Standards for Chain-Link Fence Installation. 4.1.1 All posts for chain-1¥1k fencing shall be set in concrete foundations to a minimum depth of 36 inches in the ground. Diameter of concrete foundations shall be a minimum of 9 inches except for gate posts to be a minimum diameter of three times the outside diameter of the post. Concrete foundations shall extend 2 inches above grade and .be sloped away from posts for drainage, Barbed wire supporting arms shall be in- stalled with angle leaning out ·from enclosed area. 4.1.2 Fabric and barbed wire shall be stretched to proper tension between terminal post and securely fastened to frame work members. All chain-link fencing shall be installed with top and bottom tension wire. The bottom of the fabric shall be held as uniformly as practical to 2 inches above finished grade, except for locations where fencing crosses ditches, fencing shall be installed as specified below. \ 2E-5 4.2 Gates: Install gates plUIDb, level, and secure for the full opening without interference. Install ground set items in concrete for anchorage as recommended by the manufacturer. Adjust hardware for smooth operation. 4.3· Complete the installation within the time as scheduled and main- tain fencing and gates in good repair at all times and turn over to Owner at end of construction in perfect condition. 5. PAYMENT 5.1 Payment for all work in this section will be included in the lump &um price in the Contractors Proposal. SECTION 2F MEMBRANE LINERS 2F-l 1. SCOPE: Furnish all labor, materials, tools and equipment necessary for the construction of the artificial liner and liner protection materials along the bottom and sides of the pit, and the construction of the artificial liner and protection materials for covering and sealing the pit as shown on the drawings and specified herein. 2. POLYVINYL CHLORIDE MEMBRANE LINER REQUIREMENTS 2.1 Material Description 2.1.2 The liner shall be of single ply construction having polyvinyl chloride as its principle compound to meet the requirements of this specifi- cation. The materials supplied shall be first quality products designed and manufactured specifically for the purposes of this work, and which have been satisfactorily demonstrated by prf._or use to be suitable and durable for such purposes. / 2.1.3 The liner shall be so produced as to be free of holes, undispersed raw materials or blisters. Any such defect shall be repaired using the elasto- mer sheeting and the manufacturer's approved adhesive. 2.2 Factory Fabrication of Blankets 2.2.1 The finished roll goods shall be factory fabricated into panels up to 15,000 sq ft in size in order to reduce the amount of field seaming required. All seams shall be heat welded and provide a film tearing bond. 2F-2 2.3 Field Seaming 2.3 .1 All field seaming shall be performed using only the manufacturer's approved adhesives and application directions. The minimum width of field seams shall be 4~inches. 2.3.2 All field seams upon completion shall be visually inspected and any loose or questionable area repaired. 2.4 Physical Properties 2. 4 .1 Th.e PVC liner shall conform to the fallowing requirements: PROPERTY Tensile Strength 100 Modulus Elongation at Break Elmendorf Tear Graves Tear Water Extraction Volatility Cold Crack Hardness, Shore A Durometer Resistance to Soil Burial Tensile Strength Elongation Bonded Seam Strength TEST METHOD AfiTM D882 ASTM D882 ASTM F882 ASTM D689 AS.TM Dl004 ASTM Dl239 ASTM Dl203 ASTM Dl790 ASTM D676 ASTM D3083 ASTM D3083 ASTM D3038 REQUIREMENTS 2300 psi, Minimum 1000 psi, Minimum 300%, Minimum 175 GMS/Mil, Minimum 300 lb/In., Minimum 0 .30%, Maximum 1.0% Loss, Maximum 94 Average 5.0% Loss, Maximum@ 120 Days Burial 20.0% Loss, Maximum-@120 Days Burial 80% of Original Strength Attainable by Fabrication and/or Contractor 2F-3 2.4.2 The liner shall .be leakproof and impermeable to water when properly installed. 2.4.3 The Contractor shall furnish the Engineer a mill certificate or affidavit from the manufacturer, which shall attest the liner furnished meets the stated requirements for the Engineers approval. 2 .5 Placing of PVC Lining 2.5.1 The PVC lining shall be placed over the prepared surfaces to be lined in such a manner as to assure minimum handling. It shall be sealed to all openings through the lining in accordance with details shown on the drawings. The lining shall be closely fitted and sealed around inlets, outlets and other projections through the lining. Any portion of lining damaged during installation shall be removed or repaired by using an addi- tional piece of lining. 2.5.2 Any necessary repairs to the PVC shall be patched with the lining material itself and cold applied ;vinyl to vinyl bondin& adhesive. The bonding adhesive shall be applied to the contact surfaces of both the patch and linirrg to be repaired, and the two surfaces pressed together innnediately, Any wrinkles shall be smoothed out. 2.5.3 All joints, on completion of the work, shall be inspected. Damaged lining due to scuffing, penetration by foreign objects or distress from rough subgrade shall, as directed by the Engineer, be replaced or covered and sealed with an additional layer of PVC of the proper size. 2.5.4 A Technical Service Representative of the manufacturer shall be made available during placement of the liners. The Contractor shall bear the expense of this Technical Service Representative. 2F-4 2.5.5 Provide proper storage for the PVC liner. Do not remove rolls from their pretective coverings prior to use. If the material is to be stored for more than two weeks, the material shall be stored out of the sunlight. 2.5.6 At no time shall equipment be allowed to operate on the liner with less than 12-inches of cover. Only pneumatic tired equipment and rollers shall not be allowed to operate on this cover. 3. PAYMENT 3.1 Payment for all work in this section will be included in the lump sum price in the Contractor's Proposal. I \ \ 2G-l SECTION 2G FILTER FABRIC FOR LEACHATE SYSTEM PROTECTION 1. SCOPE: Furnish all material, labor, tools, and equipment necessary for construction of fabric protection between the upper leachate collection system and placement of the PCB contaminated soil which shall provide separa- tion between the leachate sand and PCB soil, prevent the migration of fine material in the leachate sand, and allow moisture to pass into the leachate system, as shown on the drawings and specified herein. 2. MATERIALS 2.1 The nonwoven fabric shall be MIRAFI TYPAR, FIBERTEX, SUPAC or approved equal. The filter fabric shall keep the upper leachate collection system intact from contamination and damage during placement of the PCB soil and allow water to easily pass through. The following characteristics are general requirements for the filter fabric: Minimum weight •.. _ .•.•..•••••••.•. ·/~ ....•.••...•.•....•••.•.•......•.••• 140 2 g/m Average thickness ..•......•...•....•••.•••...•.•..••...•..........••••• 30 mils Grab strength, wet .....•.•..•.••.....•..............••••..•.••.....••.•. 120 lb Retention at -70°F •..•.•••...•••.•.....•..•..•.•.•....••.•...••••.... 100% -Grab elongation, wet ..•.••••...••.•.. _ •.•..•••••...... -..••.••....•.• · ••••... 130% Retention at -70°F ................................ ~ ................... 40% Trapezoid tear strength .•.•..••••..•..••..•.•.. , .. , ........••.......•.... 65 lb Air permeability ..............•.•.......••.......•......•....•..... 250 cfm/ft2 Fabric width ..................•........••.•.....•.. , ..••..... 14 ft 9 in (4.5m) Length per roll .•..........••...•......••.....•..•..•..•......... 328 ft (100m) Average weight per roll ....•.....•..•..•..•••.•.......•.•...••......••.. 170 lb \ 2G-2 . The Contractor shall furnish the Engineer with a certificate or affidavit from the manufacturer that the filter fabric shall meet the requirements needed for this project for approval. 3. INSTALLATION 3 .1 The fabric shall be installed by unrolling directly on top of the sand, overlapping all fabric section by 3 feet. A minimum depth of 12-inches shall be maintained at all times between the fabric and wheel loads. The soil can be compacted when a depth of 12-inches is obtained. The fabric shall be placed according to manufacturer's recommendations. 4. PAYMENT 4.1 Payment for all work in this section will be included in the lump sum price in the Contractor's Proposal. I \ 2H-l SECTION 2H SOIL EROSION CONTROL 1. SCOPE 1.1 Furnish all labor, material, tools, and equipment necessary for soil erosion control during and after construction of the landfill as shown on the drawings and as specified herein. 1.2 Related Work Specified Elsewhere: Earthwork as specified in Section 2B, seeding as specified in Section 21. 2. GENERAL REQUIREMENTS 2.1 The Contractor shall take whatever measures are necessary to minimize soil erosion and siltation by his operations. The Contractor shall also comply with the applicable regulations of all legally consti- tuted authorities relating to pollution precaution and control. The Contractor shall comply with all regulations which in any way affect the conduct of the work especially trye State of North Carolina Rules and Regulations for Erosion and Sediment Control. 3. EROSION CONTROL MEASURES 3.1 Diversions -Construct the diversions and beams as shown on the plans, and as needed. The diversions shall be removed after the project is complete. 3.2 Silt Check Dams and Temporary Silt Fences~ Installed as shown and as needed. 3.3 Seeding -Slopes, stockpiles, and ground left exposed more than sixty days will be seeded. 4. PAYMENT 4.1 Payment for all work in this section will be included in the lump sum price in the Contractor's Proposal. \ 1. SCOPE SECTION 21 SEEDING 21-1 1.1 Furnish all labor, _material, tools, and equipment necessary for establishment of grass on all disturbed areas as specified herein. 2. MATERIALS 2.1 Fertilizer: Fertilizer shall be 10-10-10 commercial fertilizer ., mixture, subject to review of the Engineer. Fertilizer shall be uniform in composition, free-flowing material, suitable for application with approved standard equipment. The fertilizer shall conform to applicable state fertilizer laws and shall be delivered in bags or other convenient containers, each fully-labeled and bearing the name, trademark, and warranty of the producers. 2. 2 Seed: All seed ·shall be. labeled in accordance with the U.S. Department of Agriculture Rules ~nd Regulations under the Federal Seed Act if shipped in interstate connnerce, or shall be labeled in accordance with the · seed law of the state in which it is furnished if . not shipped in inter- state commerce. The quality of all seed shall comply with the requirements of the North Carolina Seed Law and with the rules and regulations adopted by the North Carolina Board of Agriculture in accordance with the provisions of said law in effect at the time of sampling. All seed shall be subject to sampling and testing in accordanc-e with Article 960-3 of the "Standard Speci- fication for Roads and Structures," July 1, 1978 Edition of the North Carolina State Highway Commission. 2.3 Limestone: Limestone shall be agricultural grade limestone as specified in Article 960-2 of North Carolina Department of Transportation "Standard Specification for Road and Structures." \ 21-2 2.4 Mulch: Mulch for erosion control shall consist of straw.· All mulch shall be reasonably free from seed-bearing stalks, roots, or bulblets and excessive amount of restructed noxious weeds as defined by the North Carolina Board of Agriculture at the time of use of the mulch. Mulch shall also comply with all applicable state and federal domestic quarantines. Material for holding mulch in place shall be asphalt or other approved binding material. 2.5 Water: Water shall be free from acid, alkali, salt, and other substances harmful to growth of grass. 3. PREPARATION OF GROUND SURFACE 3.1 Topsoiling: The top 12-inches of soil shall be excavated and stock- piled and replaced on the distributed area. 3.2 Tilling: Areas to be seeded shall be loosened and filled to a depth of 4-inches until the condition of the soil is brought to a fine grade. Any irregularities in the surface resulting from tilling to other operations shall be leveled out 7'efore planting. Remove all rocks (larger than 1-inch diameter) and debris. 3.3 Fertilizing: Fertilizer shall be distributed uniformly at the rate of approximately 500 pounds per acre over the areas to be seeded and mixed into the soil to a depth of approximately 4-inches during the tilling opera- tions specified in the preceding paragraph. 3.4 Liming: Lime shall be distributed uniformly at the rate of approximately 3 tons per acre over the area to, be seeded. 4. PLANT'ING 4.1 Seed shall be sown under suitable weather conditions. 4.2 The seed shall be uniformly distributed by an approved method. The seed mixture shall consist of the following types applied at the following rates: Kind of Seed Kentucky 31 Fescue Brown Top Millet or Sorgham-Sudan Pounds/Acre 60 35 The seed shall be lightly covered by approved mechanical equipment of making and the soil compacted by rolling. Annual rye applied at the rate of 25 pounds per acre shall be added if seeding occurs between the months of October and February. 4.3 Within 24 hours after seeding is done, a mulch material shall be evenly strewn over all surfaces. 4.3.2 Where a hydroseeder is used to apply fertilizer and seed at the rates above, the seed shall not remain in water containing fertilizer for more than 30 minutes prior to app~ication unless otherwise permitted by the Engineer. / 5. PAYMENT 5.1 Payment for all work in this section will be included in the lump sum price in the Contractor's Proposal. -15A-.l SECTION 15A CARBON FILTER SYSTEM 1. SCOPE 1.1 Furnish all labor, equipment materials, and tools necessary for the construction, operation and demolition of the carbon filter system as shown on the drawings and specified herein. 1.2 The Contractor shall provide a complete system including piping, a contaminated water pump, filtering system, and holding pond. 2. DESCRIPTION: During the placing of PCB contaminated soil in the landfill, the northwest corner of the pit shall remain unfilled and act as a sump to collect rainfall. This will be accomplished by postponing placing of material in that corner until the landfill is ready to be closed out. The accumulated water shall be pumped to the sand filter first to remove silt then through the activated carbon to remove any possible con- tamination. The filtrate shall th.en be stored in the holding pond and I . . tested by representatives of the State of North Carolina for the presenceof PCB's. If tests indicate presence of PCB's, the water shall be pumped back into the landfill pit and refiltered until tests indicate no further pre- sence of PCB material. After the filtrate is accepted, the storm water will be released to the natural water course. The filtering system is designed to process two acre feet of water. 3. REQUIRED MATERIAL AND EQUIPMENT 3.1 The Contractor shall provide a self-priming gas driven trash pump capable of delivering a maximum of 125 gpm through the filter system. This pump shall be in good working order, No leaks in the pump, suction or dis- charge piping shall be allowed. The Contractor shall also provide all fittings and valves required for the filter system, Filter fabric as specified in Section 2G shall be used over the suction inlet to reduce the amount of silt entering the filter system, 15A-2 3.2 Filter Tanks: Standard reinforced concrete septic tanks or approved equal ·shall be modified to serve as containers for filter material.· The following tank sizes will be used: Side Wall & Top Purpose Volume (gals) Inside Dimensions Bottom Thickness Thicknes Carbon Filter 750 7• 6 ti X 3' 6tl X 5' 3t1 6" 4" Sand Filter 1500 9' 6 ti X 5' 8" X 5' 9" 8" 5" Any baffles and appurtenances sha·11 be removed and modified as required to suit the installation of the filter systems including the inlet and outlet fittings, as shown on the drawings. 3.3 All lines and fittings except shown on the plans shall be Schedule 40 PVC piping, withsolvent cemented joints, or Schedule 40 C.S. pipe. 3.3.1 Inlet and outlet pipes /shall be perforated as shown in plans. Outlet pipes shall be wrapped with 1/8" mesh screen. 3 .4 Globe valves shall be flanged PVC or steel. 6'' gate valve at holding pond.shall -meet AWWA Standards. 3.5 Gravel for filter beds shall be North Carolina Department of Trans- portationls Standard size 78M. 3.6 Sand for filter shall be clean 2S sand as specified in Section 2C paragraph 2.2.2. 3.7 Activated carbon shall be type 12 x 40 mesh size. lSA-3 3.8 All materials except the pump shall be new. 4. INSTALLATION AND TESTING 4.1 The sump in the northeast corner of the landfill pit shall be of such size to maintain at least two acre foot of water storage. 4.2 The holding pond shall be constructed as shown on the drawings. A one foot thick clay layer shall line all sides of the pond in contact with water. The dam and clay liner shall be constructed to the same specifications as for fills and clay liner specified hereinbefore. A minimum of two acre feet of storage, excluding free board shall be supplied. 4.3 The filter tanks shall be located between the landfill and holding pond. The tanks shall be placed so the difference in elevation between the two is as shown on the drawings./ 4.4 After the tanks are placed on site and the piping installed, the pipes shall be capped and the tanks filled to the top with water. The tanks shall stand for 24 hours to check for leaks. If there are any leaks they shall be repaired. The outlet pipe in the holding pond shall be pressure tested at 25 psi pressure for l hour to check for leaks at the valve. \ 4.6 The three filter globe valves shall be calibrated for a 125 gpm maximum flow using the sump pump, actual piping, clean uncontaminated water, and filter materials during a trial test. 5. OPERATION 5.1 Water collected in the landfill pit shall be first filtered for silt and debris by filter fabric at the suction end of pipe, then pumped to the sand filter to remove remaining silt, and the carbon filter to remove any contamination. Monitoring and adjustment at the system during operation shall be required. 5.2 Filtrate shall be collected and held in the holding pond for final testing. If PCB material is detected from these tests, it shall be returned to the landfill pit and refiltered until no further traces of PCB are detected. 5.3 During operation gravel, sand and carbon shall be replaced as required for proper operation of the filter. 5.4 During the filter operatfon the water in the top of the carbon filter shall be constantly monitored for the presence of clay particles. If the water appears cloudy the flow in the system shall be stopped and the sand filter refurbished. 5.5 All materials used for the carbon filter system, including filter material, septic tanks, and piping, but not including the trash pump or valves will be placed in tfie landfill prior to pit close out. 5.6 The accumulated sediments and clay liner in the holding pond will also be placed in the landfill prior to pit close out, 5.7 The valves shall be turned over to the Owner. 6. PAYMENT 6.1 Payment for all work in this section will be included in the lump sum price in the Contractor's Proposal. NORTH CAROLINA :DEPARTMENT OF CRIME CONTROL AND PUBLIC SAFETY P, C B WASTE DISPOSAL SITE WARREN COUNTY INDEX OF DRAWINGS SHEET NO. TITLE I 2 3 4 5 6 7 8 9 COVER SHEET LOCATION AND SITE MAP GENERAL PLAN Ar-0 BORING LOCATIONS LOGS OF BORINGS SITE GRADING AND EROSION CONTROL PLAN FINAL GRADING PLAN CARBON FILTER SYSTEM MISC: DETAILS CROSS SECTIONS Burley a Mltchell,Jr. Secret•rv ITEM,1111-1990 CODE,14900 Sverdrup Sverdrup & Parcel AS_BUIL T f:_LANS .--~~~~ ENGINEERS-ARCHIT£CTS -CONSTRUCTION MANAGERS .----~ ,1\U.1,,.·,i,-y\ ff,°" HAL \ \ ,=~~J GREENSBOAO, N. C. . ·<~,!~· J---. !!+7 # ff ~ 1/ ~ .~_! ;j/# "lg ~ ~ r!-..._.J ~ ~ ''·<f'TENPOflAR'Y E : \ I , • • • / ··t-• ' . . ,::,. 1 -r f: I\ I '. !' ~ · . .,.,0, • ... __ ,. ~· 'oc '~o ' \ \ I ' , _,,,' I I I ', .i ------:ti, ~' / // I, / ::';::, '// / .... ..-.-·· ~c£5• ••~~_.---··· & I II II @ ~#-----.. : '#[LL~ : [J !/ I CCNC.MO+I ll2llUll 9790.09l IELJn.H .. -· \11 K---. \ \ 1 · ' / \ : '-. / \11 I:._ "( _: \: I 11 I : LANO ,jLL . WO00(0 AREA ITYPI ' \ I \ r.l I I Ii. I I '-,ym•, OISTING ', bUILOI/\ r-"l ·. L_J : I ' I I ---. -11 I.... .,I._ y -------. ----.... ~.;_;.j.--1 I .._ / -,,,,---+ ,,-,h •'1":·" 11 , \ /{ / ✓-'~ I · ''•'" •' fl.nu, ~ · ··· ~ ,cooo .-1 --'4C .• ___ .'.•~.•~--...... --_ •.. / , ~ //STAT[ 0-~~-~~.19.:,11 ACRES _.-___ •••••••• -•• / .--. . : ,, 0, /,, ,-·-·· . ..-··········~ \, !! 0 . ' ' . '·,,._ • J<'o TlMPORARY USAGl 7.111 ACMS \~~----;.,.:.:=-,~~-,..,,.., • JIO ··-----,/ , .. I --· ·, .... -·· ::--',, ,,--,oo ----/----/ ---~ ·-\ .... -... ___ ,, WARREN COUNTY SCAL.£: I • 2 NIL[U 20'·0" P[RM,t.NENT RCM·IO'·O" EACH SIOE QIF 5,URVFr UNE / / , \ ·-.. ___ \\ ....... _ ----/---~ ORIGINALDIRTROA0 // ff: ',. ·•.. I ,• ···290~ .. ·-----"··"·• ~ I '•. ·... I ,' - -•, ·•... I ,' II , NOTES ---__ •·• ......... ,. \,, ,.--·--·---·/ ._--·····:~. • ~RlYANORIGHT~WAYSURV£YPREPllRfO ~--•... ----·-/ 1.•'.f 9Y R.LOWfLLHARRS,A.L.5. R[l)OAK, SITE MAP ~ .--/, ~.r /, f!OATHCAROLINA,OCT08ER,1976. SCALE 1••tOO' --....... ••·· ~ 2. SITE SURVEY PREPARIED 8Y SVERORUP $ PARCEL, OECEM8ER, 1980. I P •2 /_~ 3. AREA SHOWN IS PART OF 1◄ 2 .3 ACRE TRACT. DEPAR7MENT OF CRIME CONTROL ANO PUBLIC SAFETY f/2. 4. WOODED AREAS ARE APPAOxtMATE IN SIZE. PC 8 WASTE DISPOSAL SITE 3. COOR DINAT[ STST Elf IS o\ LOCAL GRID .... ,.:?REN COUNTY·NCFTH CAPOLINA COORDINATE SYSTEM ,011t THIS ltftOJIECT ONLY ANO IS NOT Tl£0 TO ANT 0THU: EXJSTING COOROINATC SYSTf:M. A:$_ BUILT DRAWi~~ .,,~, -r-r-Jl!! LOCATION AND SITE MAP SVERDRUP I PARCEL ENOINIEUIII-AIIICHITIECTS-CONSTJIUCTION JUNAGEJII OJIIEIENSIIOJIO. N.C. M:AltSCEPlt.'t M-ORNB .,.._ CEL CMfCUOJLWjr ~ 2 PLIII< ti \ ""'""" ~~ . ,------~ .-----,,,,,,---....... _ ,' ........ I ' I ' ! \ , i i ( / / ---;.-~----~----------, I : i : i '•, ' ' ; , ' ' ! ---------•• ---\ \ \ \ i i __ /,, __ .------------------\ ' ' ' I ' Q!jl ,' ' ' ', . ' \\, \ \ \ , \,, / ·-----------' • • I \ ,\ \ \ \ \ \ \ ·: \ \ •, \ '•,, ,' / ; ' \ ,, / / / : t , ' I \ I ,' ,' , ' I' I : I ,' / .,/ ,: / I ,' / / ,' : ! / / / , / / :' ,' : : : . / •0' I \ :" / I / I ' ' ' / ' I\ ': / ,' ' I I : , ' ; ': : / ,' ,,•• j ! / ,' ---t' / ' I ----:::~~·· ,,/ / ,,,,,, I ,/ // •' /,,.,,,.,, .... ___ ./, ___ , /.,.,,,, _____ ,. -----.... ', ,I' • I l . / ' ' ' ' ' ' I I I I I I I , ... I ·, I I ,,, -........ , ,, __ .,,..,• ,_, . ---..... _,,/, .. --..... J' ,, /., ' I ' ' ' ' ' ------✓,,,. _., ,. ,• _, --•• ~ I / ,I I I I -···········-························-····· ... --------, .. --'·. .. ••h•--•-••••"'· -------------S4Z __________ 54-0 -------.,.,. ---s.,c. ~ ... ------.53,z - - --- --- --'.Jo __ -------,2e ~ , ..,.., .,.,o' ---------------0 IOMNG LOCATIONS e ' . ----;;~ I. IOlll115lOCATlm5Nll...,,.,.PII.Tt . ·i. TM( IMl(I llU 111111 A stnl!IFICC lllffS'TIMTIOII MOC Of i :..,~~-r~~~~~~~~~l:?ooc~.1\11~ f IW°""TIOII TS l11:tUOEt1r«.1wo111'1Ult11-.,, llflMI TM( (1111(101"11( CIW,IW[t A5SUIES A//ff llt:Sl'OIISIIIUTT Hit lit( .-CCUUCY Of TM. DATA "l!.£WTED. IT JS Tll(. ' Cllt.lMTICII OI TIC CClffMCffa ltl MICI MU (Ill Cll[T(1la JIIMTICII f6 Tll( c•urn• TO • ~[IQ. GENERAL PLAN a BORING LOCATIONS SVERDRUP A PARCEL t:-llfll-~-CONSTl'IUC'TIOllfM&NAOIEM · OMMS90f'IO,N.C. -====r,;;;;;;=dlbr=7 ... arnn«.J4 .J-~..--~:·,_,._~ .. -RSI/FSAj~n FBR -JL•1.1 J.cl-a-12-a, »o----:::r-------------------,---------,---------~-------~~-------' I '• 340 34f O 2 FE>,M'OWM,SMCN', 339.2PJIIIO '1 Rm,BROWN.MC.ICSlUS, FWE,SAHO'l"Q.AY ~7.7 OLT'r CUit 330 ~~ I I S.-.....Nl OISCONTND A-5 l!l, 310 --,-t--tlfl!l--------+-+--------A.•7'-t (20t 330 SROwN,HIG.._Y WXEOUS.. SAJC(,ClAYEY SILT A•7·6 IIOJ l_o RED, BAOwN,MCACEOUS, FIHE,s.tNOY~ A-7·508) ~~·~OUS,su«n' A-7·5 110 O 3)6 .. ,. 0 RfO.~IC.ta:XOUS, 1'-'0,,~nc.SMC>"< l"IN[,SANO'l'Q..AY St.TY O..AY A·7·6!_19t BR<M'N, MICACEOUS, CLAT'EY, SAN.:7'1' Sl. T A·5t6J tKH RE0,8ROWN,F1NE,SAICJ'I", pi.q \/£RY CLAYEY St. T SAMPL.NG CISCa.lTINUED 30, 37 z-a-11 304.7 :,:, '°" 32 1_5_7, = ~2 ~ = 297 '"--'45 290 z91L...J•, 200 _.cc,._ ____________________________________________________ _J '"° 340 = =1= 330 = !20 = 310 200 , 0 , ... l~e:=,~~ 333.2 fBJjoAED BROWN FINE 3:,2. 1 OUARTZ LENSES A.·7·51141 A/Or, TY CLAY RE0,8ROWN,F1NE,SANOI', VERY C1.A'tEY SILT BROWN,MICACEOUS,SNDr SILT A-7·5181 -~ TAN,MIC.IIICEOUS,SILTY, .... SAHi> A·413) ,., 301.2 ~32 z.5.79 299.7 2H:2L......J◄ 5 ,,. 0 .~~~E~~ LENSES .t,•1·5 01') BROWN. MICACEOUS, SANDY SILT A·5-(5) T~,,-;ACEOJS,SI..TY, FM SANO A:!:!_ll ,., 302 REO.BR<M'N,MICACEOUS, F"INE SAHOY Q.Ay_ A·7-5(20f BRONN, T.ei., FlNE, SANOY CLAY A·4161 I AROWN.~ Sll.T A·4141 " 341.6 '°'·' REO,EIROWN, MICACEOJS, F"INIE, SANDY CLAY A-7·,5 1171 8ROWN,MICACEOUS, SANDY SILT A-5151 38 LEGEND + •TDI TAkE • 14 Hfl. , ~ CL~ I ~T Iii SANO Lt! TOP ELI' '30 /•IO"ING NUMIUI ' 0 . MD, 8JtOWN, MICA(OUS FINIE,SANDY CLAY ... 7.5 (18) • AASHO DlSIGNATION M-145 IROWN, MICA(OUS,SAJCJY CLAYEY SILT A-7•5110• AASHO DESIGNATION •• 145 IOTTOM EL.• 30l lL.AJ09 H• DEPTH OF IOftlNti ,J.....,._Q,~ ! a 0 .-..--,--------.-,-.----1' I I I I_I_I _ 11·•, DEPMTIIENT Of CRrME CONTM>L N«J PU8LJC SAFETY PCB .ST!: Dl!POSAL Srrt ;, ....,.CXJLNT'l'-NmmtCMOL.-LOGS OF BORINGS · SVERDRUP I PARCEL ----AIICHrffCTI-COld'T"UCTIOIII.,........._ OM:IWNOM>, N.C. -.... -CEL --.,.,,., ,4·, ,L .. M tt \ ' ' ' ' ' ,,,;,,o t)/ -~,.. ----· ,t ,, ,,,J ,,t .. .-' ,I~ '/ . ,·•"' I' ,')..,t ... ::-----::--/ ~ ~--. 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