R2015-83 ACCEPTING THE BID ROOF REPLACEMENT SALT STORAGE DOME

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7/2/2015 Item Ca ersheet Public Works 2015-28 DATE: 6/22/2015 TO: Honorable Mayor McElroy and City Council FROM: Tim Gleason, City Manager Gregg Zientara, Financial Management Director Richard G. Marley, Director of Public Works SUBJECT:Bids for Roof Replacement for Salt Storage Dome SUMMARY RECOMMENDATION: Staff recommends awarding a contract in the amount of$66,100 to Top Quality Roofing to furnish roof replacement of the Salt Storage Dome located at the Municipal Service Center. Top Quality has provided the necessary insurance and bonding requirements for this bid. (Purchasing Project Number 2015-10) BACKGROUND: The salt shed at the Municipal Services Center was built in 1987-88. The shed was designed and built by the Dome Corporation of North America. Occasionally, the salt shed is referred to by the trade name"Domar."The shed still has the original 27 year old shingles. Due to age and weathering, the shingles need to be removed and replaced. The domed shape and steepness of the salt shed makes the re-roofing job more difficult. The shape of the salt shed roof is the most efficient shape for storing and protecting granular rock salt. The door to the salt shed faces northwest because most wind in rain storms during the year comes from the southwest. There is little problem with rain blowing into the salt dome door. PROJECT DESCRIPTION: SPECIFICATIONS: The sloped roof and side walls will be shingled utilizing standard laminated multi-layer(architectural style)asphalt shingle, Class A, 240/260 lbs./sq. 30 year warranty. The shingles shall be nailed according to manufacturer's recommendation to achieve a minimum of 110 MPH wind warranty. Ridge cap shingles shall be manufacturers match for the color shingle selected. The entryway flat roof will be roofed with a reinforced polymer mat, granular, SBS modified roofing membrane applied by hot mopping asphalt or approved cold adhesive. Underlayment shall be organic base sheet installed per the manufacturer's specification. All necessary flashing and drip edges shall be installed. The project specifications contains an allowance for repair of damaged wood structural members if necessary. The contractor will be required to pay prevailing wages, and required to comply with City Code Chapter 28, Article 10, "Minority participation goals for public works contracts". BIDDING: See attached Bid tabulation RECOMMENDED AWARD:Staff recommends awarding a contract in the amount of$66,100 to Top Quality Roofing to furnish roof replacement of the Salt Storage Dome located at the Municipal Service Center. POTENTIAL OBJECTIONS: There are no known objections to this resolution and bid award. INPUT FROM OTHER SOURCES:Public works requested the work be done and wrote the specifications. SCHEDULE: Estimated to start within 30 days of the contract approval and require approximately 15 working days to complete. hW://decat r.nowsagenda.corriagendaWeb/CokerSheet.aspoCAUMD=121 1/2