R2016-03 AUTHORIZING A PROJECT MANUAL CONTRACT DN TANKS

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DEPARTMENT OF WATER MANAGEMENT Memorandum No. 2016-01 January 14, 2016 TO: Mayor Julie Moore Wolfe and City Council FROM: Tim Gleason, City Manager Keith Alexander, Director of Water Management Jerry Stevens, P.E., Engineering Services Coordinator SUBJECT: William Street and South Water Treatment Plant Reservoir Rehabilitation Project Manual Contract - City Project W2015-36 SUMMARY RECOMMENDATION: Council adopt the attached Resolution authorizing a William Street and South Water Treatment Plant Reservoir Rehabilitation Project Manual Contract with DN Tanks, Inc. at a cost not to exceed $549,849.00. BACKGROUND: The City owns two large covered concrete reservoirs that are used to store drinking water: The East William Street reservoir was constructed in 1970 and has 5 million gallons of storage. The South Water Treatment Plant reservoir was constructed in 1988 and has 7.5 million gallons of storage. Due to age, both reservoirs require comprehensive internal and external inspections and cleaning to determine if any preventative maintenance is required. They also require exterior recoating (painting). The William Street reservoir also needs 133 exterior decorative concrete panels removed as they have deteriorated due to continuous exposure to the elements. The attached photographs clearly show the need for this work. A Request for Qualifications and Proposals was issued in October 2015 with proposals due on December 8. Two proposals were received. A five member City staff panel independently evaluated the proposals. The panel's consensus was that DN Tanks, Inc. was better suited to meet the City's needs for this particular project. Their proposal is also at a significantly lower cost ($549,849) than the other proposing firm (Utility Service Company, Inc.) at $1,098,900. Attached are the bid tabulation and Project Manual Contract.