Request to Advertise - CSO 003 Backwater Valve Replacement – Proj No. 119-113

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li'. 4T 1"TE►WI.! DEPARTMENT OF PUBLIC WORKS DIVISION OF UTILITIES TO: Board of Public Works Members FROM: Al Greek, Director of Utilities Jacob M. Klosinski, P.E. Assistant City Engineer SUBJECT: Agenda Request — Title Sheet and Request to Advertise 119-113 CSO 003 Backwater Valve Replacement DATE: February 3, 2020 The Division of Engineering and Division of Utilities request the Board of Public Works approval of the Title Sheet and Request to Advertise for the subject project. Background CSO 003 has an aging set of 60" diameter duck bill style backwater control valves that have experienced problems in recent months and have failed. The elastomer has relax and the valves are no longer keeping their rigid shape to insure that river water does not back flow into the CSO 003 chamber. The current designs considered for the replacement of the backwater valves are (1) a replacement in kind with two new TideFlex Valves or (2) a different solution which would sue a composite gate product called Coplastix from Alfa Laval. Both alternates will be priced in the Bid Package. Proposed dates for advertising are as follows: Friday, February 21, 2020 Friday, February 28, 2020 Bid Opening shall be March 10, 2020. The new MWBE-DBE ordinance and goals will be set at 5.00% per discussions with Legal and Diversity Compliance and Inclusion on 01/30/2020. Project award is anticipated at the March 24, 2020 meeting. Construction would begin in late Spring or early Summer 2020 depending on the procurement schedule for the large valves / gate products. The funding source for this contract shall be the Division of Utilities, Organic Resources "Contractual Services Other" account 641-0630-793-63-35. If there are any questions, please contact Al Greek at (574) 271-4210 at the Division of Utilities or Jacob M. Klosinski (574) 235-9496 at the Division of Engineering.