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HomeMy WebLinkAboutCOUNCIL COMMUNICATION - 4/19/10 CITY OF WATERLOO /14 l `� � � 3161 to Council Communication City Council Meeting:4/19/10 Prepared: 4/12/10 Dept. Head Signature: LNS #of Attachments: SUBJECT: Request for Proposals - WMS Administration Building Roof rinprovements Submitted by: Larry . mith, S Superintendent Recommended City Coun it Action: Authorization to request proposal and seek bids for improvements on the Waste Management Services Administration Building roof and to set the date of hearing and opening of bids for May 30, 2010. Summary Statement Expenditure Required Source of Funds Policy issue Alternative Background Information: INDEX FOR WASTE WATER TREATMENT FACILITY ADMINISTRATION BUILDING ROOF IMPROVEMENTS WASTE WATER TREATMENT FACILITY 3505 EASTON AVENUE WATERLOO,IA 50702 INDEX NOTICE TO BIDDERS NOTICE OF PUBLIC HEARING BID FORM GENERAL CONDITIONS SUPPLEMENTARY GENERAL CONDITIONS DIVISION I-GENERAL REQUIREMENTS • SUMMARY OF WORK • RELATED SUBCONTRACTORS • USE OF SITE&PREMISES • PRE-ROOFING CONFERENCE • ALLOWANACES • UNIT PRICES • APPLICATION FOR PAYMENT • MONTHLY PAYMENT APPLICATIONS • ALTERNATES • ADDENDA DESCRIPTION OF EXISTING CONDITIONS • SCOPE OF WORK DIVISION-VII-MOISURE PROTECTION • SINGLE PLY ROOF SYSTEMS • FLASHING&SHEET METAL NOTICE TO BIDDERS CITY OF WATERLOO,IOWA PUBLIC IMPROVEMENT PROJECT WASTE WATER TREATMENT FACILITY ADMINISTRATION BUILDING ROOF IMPROVEMENTS Time and Place for Receiving Sealed Proposals Sealed proposals for the work under the proposed contract as stated below must be filed before 4:00 pm on May 10, 2010,in the office of the City Clerk, ls`Floor,City Hall,715 Mulberry Street,Waterloo,IA 50703. Time and Placed Sealed Proposals Will Be Opened and Considered. Sealed proposals will be opened and bids read at 5:30 pm on May10,2010,in the Council Chambers,2nd Floor,City Hall,715 Mulberry St.,Waterloo,Iowa for consideration by the City Council. The City of Waterloo reserves the right to reject any and all bids. Time for Beginning and Completion of Work The work under the proposed contract shall be commenced upon approval of the contract by the Council and issuance of a notice to Proceed,and competed by July 30,2010. Bid Security. Each bidder shall accompany its bid with bid security as defined in Code of Iowa Section 38.8 and as specified by the government entity. The bid security will be five percent(5%)of the total contract price. Sales Tax. The bidder should not include sales tax in the bid. A sales tax exemption certificate will be available for all material purchased for incorporation in the project. General Nature of Public Improvement Waste Water Treatment Facility Administration Building Roof Improvements: The extent of the base bid work involved is re-roofing the noted City building with fully adhered EPDM. There will be a mandatory pre-bid meeting at the Waste Water Treatment Facility Administration building on April 26,2010,commencing at 10:00 am. This roofing document will go to City Council on April 19,2010 to set the date of hearing and bid opening for May 10,2010. ,. 2 NOTICE OF PUBLIC HEARING On Proposed Plans,Specifications,Form of Contract, and Estimate of Cost for the Waste Water Treatment Facility Administration Building Roof Improvements in the City of Waterloo,Iowa RECEIVING OF BIDS Sealed proposals will be received by the City Clerk of the City of Waterloo,Iowa at her office in the City Hall on the 10th Day of May 2010,on or before 4:00 pm for the construction of the Waste Water Treatment Facility Administration Building Roof Improvements,as described in detail in the plans and specifications now on file in the Office of the City Clerk. OPENING OF BIDS All proposals received will be opened in Council meeting to be held in the Council Chambers in City Hall in the City of Waterloo,Iowa on the 10th day of MAY 2010,at 5:30 pm. PUBLIC HEARING Notice is hereby given that the Council of said City will conduct a public hearing on the proposed plans, specifications,form of contract,and estimate of cost for the construction of the above-described improvement project at 5:30 pm on May 10,2010,said hearing to be held in the Council Chambers in the City Hall. The roof plans,and proposed specifications,form of contract,for said improvements heretofore prepared by the Building Official/Maintenance Administrator of the City of Waterloo are now on file in the office of the City Clerk for Public examination SCOPE OF WORK The extent of the work involved is the construction of re-roofing on the Administration Building located at the Waste Water Treatment Facility with a fully adhered 60-mil EPDM membrane. BEGINNING AND COMPLETION DATES The work under the proposed contract shall be commenced after receipt of"Notice to Proceed"and shall be completed on or before July 30,2010. METHOD OF PAYMENT TO CONTRACTOR The contractor will be paid against bi-monthly estimates on the basis of ninety-five percent(95%)of the work as same is completed and materials delivered and work approved. Final payment will be made thirty-one(31)day after completion of the work and acceptance by the council. 3 CONTRACT AWARD A contract will be awarded to the qualified bidder submitting the lowest bid for the Base Bid. The City reserves the right to reject any or all bids,re-advertise for new bids,and to waive informalities in the bids submitted that may be in the best interest of the City. Bids may be held by the City of Waterloo,Iowa for a period not to exceed thirty(30)days from the day of the opening of bids for the purpose of reviewing the bids and investigating the qualifications of bidders,prior to awarding the contract. BID SECURITY REQUIRED All bids must be accompanied in a separate envelope by a certified or cashier's check drawn on an Iowa bank,or a bank chartered under the laws of the United States,a certified share draft drawn on a credit union in Iowa or chartered under the laws of the United States,or bid bond,(on the form furnished by the City)payable to the City of Waterloo,Iowa,in the sum of not less than five percent(5%)of the bid submitted,which certified check,certified share draft or bid bond will be held as security that the bidder will enter into a Contract for the construction of the work and will furnish the required bonds,and in case the successful Bidder shall fail or refuse to enter into the Contract and furnish the required bonds,his bid security may be retained by said City as agreed upon liquidated damages. If bid bond is used,it must be signed by both the Bidder and the surety or surety's agent. Signature of surety's agent must be supported by accompanying Power of Attorney. BONDS The successful bidder will be required to furnish a"Performance Bond"and"Payment Bond"with ten(10)days after forms are presented to him in an amount equal to one hundred percent(100%)of the contract price,said bonds to be issued by a responsible surety approved by the City Council and shall guarantee the faithful performance of the contract and the terms and conditions therein contained, and shall guarantee the prompt payment of all materials and labor and protect and save harmless the City from claims of any kind caused by the operations of the contractor. Before the Contractor shall be entitled to receive final payment for work done under this contact,it shall execute and file a bond in the penal sum of not less than 100%of the total amount of the contract,same to be known as "Maintenance Bond,"and which bond must be approved by the City Council,and which bond is in addition to the bonds given by the Contractor to guarantee the completion of the work and payment of the subcontractors,suppliers, etc. CONTRACT COMPLIANCE PROGRAM/SUBCONTRACTING The program proposes numerical projections regarding utilization of Minority Business Enterprise(MBE)and Women Business Enterprise(WBE)as Subcontractors,vendors and supplies in the performance of the Contracts awarded by the City of Waterloo,Iowa. A goal of at least ten percent(10%)for MBE participation on all City funded construction projects that are estimated at$50,000 or more. A goal of at least two percent(2%)for WBE participation on all City funded construction projects that are estimated at$50,000.00 or more. Any project funded in part or in total with federal funds shall follow the respective agencies contract compliance program and goals. The Prime Contractor shall make"good faith efforts"to meet the Contract Compliance MBE/WBE goals. The MBE/WBE subcontractors,supplies or vendors must provide the Prime Contractor a reasonably competitive price for the service being rendered or the Contractor is not required to accept their bid. • WORKER RESIDENCY REQUIREMENT Attention is called to the requirement that at least ten percent(10%) of the total worker hours on this project shall be performed by bona fide Black Hawk County residents. A bona fide Black Hawk County resident shall have his principle residence within the corporate limits of Black Hawk County before the date of the bid opening for this project. The contractor and any subcontractors shall submit worker residency information on forms or in accordance with instructions furnished by the City. Information shall be submitted monthly to the City with the prime contractor responsible for the submission of worker residency information of all subcontractors. The prime contractor shall certify on the monthly submittals that this residency requirement is being met for this project. PRE-CONSTRUCTION CONFERENCE Before the work is commenced on this contract,a conference shall be held for the purpose of discussing the contract. The conference shall be attended by the prime contractor,and all subcontractors,if any. Date shall be set after award. RECIPROCAL RESIDENT BIDDER PREFERENCE Attention to bidders is called to the requirement of complying with the provisions of the Reciprocal Resident Bidder Preference requirement. Each bidder submitting a bid shall execute and include with the bid a Resident Bidder Certification in the form herein provided,to the effect that he will not have as employees,Illinois laborers on the work site. SALES TAX EXEMPTION CERTIFICATES Contractors and approve subcontractors will be provided a Sales Tax Exemption Certificate to purchase building materials or supplies in the performance of construction contracts let by the City of Waterloo. 5 BID FORM Submitted to: City of Waterloo 715 Mulberry Street Waterloo,IA 50703 Project: WASTE WATER TREATMENT FACILITY ADMINISTRATION BUILDING ROOF IMPROVEMENTS Submitted By: (Bidding Finns Name and Address) Bidders Full Name Address City, State&Zip Furnish and install the specified roof system on the Administration Building including permit fees,etc.for the sum of .00 Dollars NOTE:All work will be performed in accordance with the specifications. Upon award the undersigned agrees to furnish the required Performance Bonds as called out in the instructions to bidders. Upon award the undersigned agrees to pay all Iowa Sales and Use Tax and all other local taxes lawfully assessed upon the contractor or company in connection with the specified work. Failure of any subcontractor to pay applicable taxes will become the awarded contractor's responsibility. ADDENDA DATE # DATE # DATE # DATE # Respectfully submitted, DATED ,2010 Finn or Corporation bidding BY Authorized signing Officer,Title 6 GENERAL CONDITIONS The Manual of the Recommended Procedure for Competitive Bidding and Award of Building Contracts Construction Council of Iowa, Shall govern this project. The bid deadline set for the submission of bids will be strictly adhered to and bids received after the deadline will be returned to the bidder unopened. Lowest Responsible Bidder The contract will be awarded to the lowest responsible bidder. The term"lowest responsible bidder"implies the bidder is responsible,not only financially but also in terms of having a reputation for credible performance and being able to perform the contract. The Board has the right to determine if the bidder is responsible,whether the bidder has bid according to the specifications and whether the other interests of the Board are satisfied by letting the contract to the bidder(i.e.,best interest to the City of Waterloo). The City of Waterloo has discretion in awarding the bid to the"lowest responsible bidder". The lowest dollar figure is only one of the factors the Board may consider. The Board may consider the business judgement of the bidder,the bidder's record of liability or performance,financial resources,construction experience,ability to secure required bonds and insurance coverage. If the lowest bidder is determined to not be responsible,the Board will furnish documentation to the bidder with their reasons. Acceptance of a bid by itself does not constitute a contract. The improvement ordinance,the signed successful bid, and resolution of the City of Waterloo accepting the bid,where all legal requirements are met,will constitute a written agreement. 7 SUPPLEMENTARY GENERAL CONDITIONS The following supplementary general conditions are intended to modify and expand the referenced General Conditions and shall be in addition to any and all other requirements. FRIABLE ASBESTOS If during the construction of the project work involving friable asbestos or hazardous or toxic substances is uncovered the owner or the owners representative shall be notified immediately and the owner with his own forces or by subcontract shall be solely responsible for the selection and complete investigation,removal and disposition of the friable or hazardous substances not identified in these specifications. The Contractor shall be indemnified and held harmless from all claims and costs incurred in defending claims based on friable or hazardous substances discovered at the project. Contractor shall make any claims for delay or additional costs incurred immediately upon discovery of friable or hazardous substance. These claims specifically exclude any mishandling of non-friable asbestos by the Contractor or his subcontractors. MANUFACTURERS INSTRUCTIONS All manufactured materials shall be installed as directed by the manufactures published literature. The manufacturer's literature shall govern unless these specifications are in conflict,in which case the more stringent shall apply. RESPONSIBILITY The Contractor shall assume full responsibility for any and all damage to the building;its contents or grounds caused by work associated with this project,either by their own forces or a subcontractor employed by the Contractor. TAXES The Contractor shall be responsible for their subcontractors and suppliers to pay all Federal, State and local taxes including Iowa Sales and Use Taxes for all supplies and materials used and made part of these projects. The Contractor is required to include in his bid the Iowa Sales tax and shall pay the tax to the State. The Contractor shall submit to the owner upon completion and acceptance of the work information necessary to enable the Owner to request refund of Taxes for materials and supplies refundable per Iowa Code 422.45(7). The Owner will provide the proper forms for this information. PERMIT FEES The contractors shall pay for any required permits including all work associated with the project. BUILDING CODE All work under this specification shall be in strict accordance with requirements of the local Code Authority. 8 EQUAL EMPLOYMENT OPPORTUNTY During performance of this the Contractor agrees to the following; The Contractor will not discriminate against any employee or applicant for employment because of race,creed, color,religion,national origin,sex,age or physical or mental disability. The Contractor will take affirmative action to ensure that applicants are employed and that employees are treated during employment without regard to their race,creed,color,religion,national origin,sex,age or physical or mental disability except where it relates to a bona fide occupational qualification. Such action shall include but not be limited to the following: employment, upgrading,demotion or transfer;recruitment or recruitment advertising;layoff or termination;rates of pay or other forms of compensation;and selection for training,including apprenticeship. AWARD OF SUBCONTRACTS No payments shall be made until a subcontractor and supplier list is submitted to the Owner. CHANGE ORDERS No changes shall be made to the contract price until authorized by the Owner in writing. OCCUPATIONAL SAFETY&HEALTH ACT The Contractor shall be responsible for compliance with all applicable State and Federal Safety and Health requirements. PROJECT START DATES AND COMPLETION DATES,PENAL SUM Time is of the essence on this project. Work may commence after the notice of award and will be substantially complete on or before the 30th of July 2010 or be subject to$ 100.00 per day penal sum. INSURANCE REQUIREMENTS Liability Insurance The Contractor shall purchase and maintain Comprehensive General Liability Insurance and Comprehensive Automobile Liability Insurance to cover operations of the Contractor and their subcontractors,product and completed operations,personal injury,and contractual liability to include coverage for the Hold Harmless and Indemnification required as part of this project. Minimum limits of Liability shall be, Comprehensive General Liability including Premises-Operation;Independent Contractor's Protection;Products and Completed Operations Bodily Injury $500,000.00 each occurrence $ 1,000,000.00 annual aggregate Property Damage $500,000.00 each occurrence $ 1,000,000.00 annual aggregate Products and completed operations to be maintained for one year after final payment. 9 Property Damage Liability Insurance will provide X",C"and U"coverage for Explosion,Collapse,and Underground Hazard Exposures. Contractual Liability: Bodily Injury $500,000.00 each occurrence Property Damage $500,000.00 each occurrence $ 1,000,000.00 annual aggregate Personal Injury,with Employment Exclusion deleted; $ 1,000,000.00 annual aggregate Comprehensive Automobile Liability Bodily Injury $500,000.00 each person $ 1,000,000.00 each occurrence Property Damage $500,000.00 each occurrence The limits of liability may be covered by a combination or the above-described policy and any Umbrella Excess Liability attachment in the amount of$ 1,000,000.00. The Contractor shall either require each of their subcontractors to procure and maintain during the life of their subcontract,public liability and property damage coverage of the type and amounts specified above or insure the subcontractor's activities with his own policy. Insurance on equipment,tools,sheds,plant,etc.shall be covered by the Contractor Workman Compensation Insurance The Contractor shall purchase and maintain Worker's Compensation including$ 100,000.00 Employers Liability Coverage Statutory for State and Statutory for applicable Federal. The Contractor shall purchase and maintain in a company or companies lawfully authorized to do business in the jurisdiction in which the project is located coverage as stated above. The City of Grundy Center is to be named as additional insured on all policies. And to the fullest extent permitted by law the Contractor shall indemnify and hold harmless the Owner. 10 DIVISION I-GENERAL REQUIREMENTS SUMMARY OF WORK This section provides an outline of the work required for roofing the Administration Building at the Waterloo Waste Water Treatment Facility. The contractor shall provide all materials,equipment,methods and means necessary to complete the required work including all demolition and repair as called out in the specifications. RELATED SUBCONTRACTORS The Contractor will be responsible for the work of any subcontractors including sheet metal work,asbestos abatement,plumbing,electrical etc.which is required to complete the project. Scheduling is the responsibility of the Contractor and must be completed in an orderly and timely manner within the projects time frame. USE OF SITE AND PREMISES Access to the roof areas will be arranged with the Owners representative. The Owner will maintain uninterrupted use of each building. The Owner shall furnish electricity if needed. All wiring for the transmission of electrical service,temporary or otherwise is the Contractors responsibility. Contractor will be responsible for protection of the building and grounds.Any damage caused by the contractor shall be repaired at no additional cost to the owner. The Contractor is expected to coordinate the storage of material with the Owners representative in order to place material in an area that will be convenient to the Administration Building. This also applies to equipment access to the buildings. The Contractor is responsible for furnishing sanitation facilities and drinking water. The Contractor shall protect the Owners property as needed to ensure it is left in the same condition as when the project began. The Contractor is responsible for maintaining the project in a clean and watertight condition at the end of each day's work. All demolition shall be removed from site and disposed of legally. PRE-ROOFING CONFERENCE After award of project,the Contractor,their supervisory personal,and the Owner representative shall meet at an agreed upon location to coordinate the execution of the work. The Contractor shall furnish the owner a list of their off-hour emergency contacts and phone numbers. The Contractor shall furnish to the Owner before this meeting all required bonds,permits,schedule of values, required notification of State regulatory authorities,proof of insurance,and a list of subcontractors and suppliers as needed. 11 ALLOWANCES There are no allowances included in this contract. APPLICATION FOR PAYMENT No payments will be made until the following have been submitted; Pre-Construction Meeting All necessary Bonds&Insurance Coverages are on file Permit is purchased and copy is on file List of subcontractors and suppliers is on file Documentation of any required manufacturer's warranties BI-MONTHLY PAYMENT APPLICATIONS Payment request will be submitted on MA Document G702&G703. It shall be signed by an authorized agent of the Contractor and notarized. Contractor shall show retainage of 5%of completed work amount to be held from each application for payment. Upon substantial completion of the entire work and acceptance by the Owner the Owner may authorize payment of up to 95%of the contract amount. Upon completion of the project to the satisfaction of the City of Waterloo and after all required warranties,lien waivers,tax refund forms,etc. are on file the Owner will release the remaining 5% for payment. ALTERNATES There are no alternate prices required for this project. VOLUNTARY ALTERNATES No voluntary alternates will be accepted or considered for the projects included in these specifications. ADDENDA Changes to the specifications will be done by written addenda and must be acknowledged on the space provided on the BID FORM. Changes in Contract price will require written acceptance by the Owners representative and will require photographic documentation by the Contractor. The Owner will furnish the Contractor written acceptance of the change based on unit prices and shall issue a change in the purchase order to reflect the change in price. 12 DESCRIPTION OF EXISTING CONDITIONS The existing roof assembly consists of a 60-mil EPDM ballasted roof system over 1/8"tapered expanded polystyrene over two-plies of type#15 rag felt installed with hot asphalt over a mechanically attached layer of'A"gypsum board. SCOPE OF WORK The existing ballast rock,edge metal,EPDM membrane,and tapered extruded polystyrene are to be removed and disposed of. The roofing contractor is expected to raise all roof penetrations to maintain a minimum of 8"of flashing height. Install a 1/8"tapered isocyanurate system(min.2.5")and a'/4"primed dens deck over the vapor barrier. Mechanically attach the isocyanurate and dens deck assembly through the vapor seal to the steel roof deck in a manner that meets or exceeds a 1-60 wind uplift rating. Install a fully adhered 60-mil EPDM rubber membrane over the mechanically attached insulation assembly. Furnish and install new perimeter edge metal,roof jacks for heat stacks,pipe boots,pitch pockets, and all other roofing related sheet metal to complete the project. Provide a manufacturers 20-year No Dollar Limit warranty and a Midwest Roofing Contractors two-year Workmanship warranty upon completion of the project. Note: Roofing Contractor to include all costs associated with removal and reinstallation of the mechanical equipment in order to properly install the new roof system. 13 DIVISION VII-MOISTURE PROTECTION SINGLE PLY ROOF SYSTEMS,ONE PLY,FULLY-ADHERED The following specification is for the replacement of the Administrative Building roof located at the Waterloo Waste Treatment Facility located at 3505 Easton Avenue,Waterloo,Iowa. SUMMARY OF WORK. This project will consist of removing the existing ballasted roof system and hauling it off-site. The contractor will then install a new fully adhered roof system as detailed in this document. The project also includes installation of new shop fabricated roof edge metal and installation of new shop fabricated counterfiashing for roof to wall flashing details at the clear story window.Contractor will furnish owner with manufacturer's twenty-year(20 yr)NDL type warranty upon project completion. Contractor shall be responsible for his own measurements and drawings. Contractor shall adhere as closely as possible to standards set forth in the most recent issue of NRCA Roofing and Waterproofing Manual for proper detailing and installation of EPDM roofing. Contractor shall employ skilled applicators and maintain full-time on site supervision during this project. Contractor shall be a firm specializing in low slope roofing that has been in business a minimum of five years. To indicate compliance with the specification,upon completion of the reroofing project submit to the owner a complete list of all materials used including manufacturer's name and product information. ROOFING SPECIFICATION Remove and dispose of the existing ballast rock,EPDM membrane,and tapered expanded polystyrene roof insulation. Contractor is responsible for disconnect and reconnect of rooftop HVAC and electrical as necessary. All disconnects are to be reconnected after the roof is completed. Contractor shall notify owner's representative of any necessary structural repairs. Any work the contractor is directed to perform will be an extra above the contract price. Raise all curbs,edges, control joints and expansion joints to accommodate the new insulation height. Install a 1/8"tapered isocyanurate system(min.2.5")and a''A"primed dens deck over the vapor barrier. The board is to be installed with no gap or joints larger that''/". Insulation is to be neatly fitted around penetrations and firmly butted against curbs skylights and walls. No more insulation shall be installed than can be covered with the required membrane specification on the same day. Stagger/offset layers of insulation a minimum of 6". Mechanically attach the isocyanurate and dens deck assembly through the vapor seal to the steel roof deck in a manner that meets or exceeds a 1-60 wind uplift rating. 14 Place 60-mil EPDM rubber without stretching over the insulation. Allow the 60-mil membrane to relax for approximately 1/2 hour. Sheet will be free of buckles and wrinkles. Install fully-adhered 60-mil roof membrane by folding the sheet back in half to expose the underside of the membrane. Using the membrane manufacturer's bonding adhesive and a short nap roller apply the bonding adhesive to the membrane and the insulation at manufacturer recommended rates. Allow adhesive to dry until it is tacky. Roll the membrane into the substrate while the adhesive is still tacky. Brush the bonded area immediately with a soft broom to insure a solid bond.Repeat the process until the membrane is fully adhered. Do not apply bonding adhesive to the splice area. Membrane splice will be formed using the manufacturer's seam tape. Clean the splice area of the both sheets using the membrane manufactures' splice cleaning material until dirt, dust, and foreign material that will interfere with splicing is removed. The splice area should be black in color when this procedure is finished. Splice area shall be dry and clean. Prepare the seam with manufacturers' approved primer. Splices are to be installed in strict accordance with the membrane manufacturer's procedures to insure splices are assembled correctly. After the splice has been assembled, install T seam patches, and if required, install lap sealant in strict accordance with the membrane manufacturer's procedures. Additional membrane securement is required at the perimeter of each roof section, level, curb flashing, skylight, penthouse, expansion joint, etc. and where any angle change exceeds 2" per one foot of horizontal rise. This additional securement will be accomplished using the manufacturer's reinforced perimeter fastening strip. This strip will be mechanically attached using threaded screw type fasteners and 2" seam plates that attach it to the structural substrate. Fasteners in the strip shall be placed a minimum of one per lineal foot. Properly flash in strict accordance with the manufacturer's procedures and methods all sheet metal, drains, sewer vent stacks, and other roof projections and penetrations so the final roof assembly will be warrantable by the membrane manufacturer for a period of fifteen years,and is watertight and free from defects due to workmanship. Install new perimeter edge metal and counter flashing using shop fabricated 24 Ga.prefinished galvanized sheet metal, Color Klad Brand or equal. This work is to be installed in a watertight manner,free from waves,warps, buckles,or distortion,allowing for expansion and contraction. As a requirement of the project the contractor will survey this roof application each year for a period of two years and repair any defects in the roof assembly. The results of the inspection and any necessary repairs will be submitted in writing to the City of Waterloo. This survey,report,and necessary repairs will be done at no cost to the owner. Furnish a signed copy of Iowa Roofing Contractors Association guarantee to the owner for this project. Guarantee period will be two(2)years. Supply the owner with a signed written copy of the membrane manufactures twenty (20)-year warranty covering, insulation, fasteners, membrane and related flashing, and workmanship, and a copy of the membrane manufacturer 20-year material warranty. Acceptable manufacturers for this project will be Carlisle,Firestone, Genflex or Versico, the warranties will include the roof insulation, fasteners,membrane and related accessories, all materials installed in this roof system with the exception of the sheet metal shall be furnished by a single source, that source being the membrane manufacturer. 15 DIVISION VU-MOISTURE PROTECTION FLASHING AND SHEET METAL SUMMARY OF WORK This section includes furnishing all necessary labor,material and equipment needed to install sheet metal work as called out in the specifications. It shall include all necessary sheet metal required to complete the project. Contractor shall be responsible for his own measurements and drawings. Contractor shall adhere as closely as possible to standards set forth in the most recent addition of the NRCA Roofing and Waterproofing Manual and comply with the details called out in the latest addition of the SMACNA Manual for workmanship,design,joining and attachment of the sheet metal components. Contractor shall employ skilled applicators and maintain full time on site supervision during this project. Contractor shall be a firm specializing in architectural sheet metal that has been in business a minimum of five years. Terms and condition set forth in the General and Supplementary Conditions are applicable to this section. Prefininshed metal shall carry a written 20-year non-prorated warranty covering fade,chalking,and film integrity. Upon delivery of sheet metal components to the project sites place in area protected from the weather. Components are to be carefully handled to protect from scratching and denting, prior to installation. Dented, scratched or damaged components will be removed form the projects and replaced at no additional cost to the Owner. Prefinished metal,Color Kiad by Vincent Metals,and UNA-Klad by Copper Sales are acceptable for use. Galvanized iron to be galvanized iron sheet or copper as called out in the specifications. Prefinished metal shall be 24 gauge extra smooth, primed both sides and factory painted on one side with Kynar 500/Hylar based fluoropolymer coating system. Standard colors to be selected. Fasten the sheet metal to blocking and grounds per SMACNA recommendations. All seams to be caulked and sealed watertight. 16