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rd THE CITY OF • , - „F ,- M`E='1 .. CITY COUNCIL AGENDA REPORT PLEASANTON. September 6, 2022 Engineering TITLE: ACCEPT PUBLIC IMPROVEMENTS PERFORMED BY DPI, INC. FOR THE ANNUAL WATER DISTRIBUTION SYSTEM IMPROVEMENT PROJECT, CIP NO. 22183 SUMMARY This annual water project consisted of removing and replacing three water pipeline bridge/culvert crossings— Owens Drive at Chabot Canal, Tassajara Creek on Owens Drive, and Gibraltar Drive at Chabot Canal. The old piping was removed and replaced, and seismic fittings were installed at each end. Improvements were also completed at TurnoutNo. 2 on Hopyard Road near Valley Avenue, which included adding/replacing valves and flushing ports to improve operation and control of the turnout. City Council awarded the project on November 16, 2021. During construction, two change orders were required due to complications discovered at two of the crossings. Also, during construction staff identified five additional valves that needed replacement. Two change orders were authorized forthe additional valve replacement work. All work has now been completed to the satisfaction of the Director of Engineering and staff recommends that the project be accepted as complete. RECOMMENDATION 1. Accept the project as complete and authorize the City Clerk to file a Notice of Completion. 2. Authorize release of the retention in the amountof $42,241 to DPI, Inc. 30 days after the recordation of the Notice of Completion. 3. Authorize the return of the project's balance of $12,054 to the Water Replacement fund (Fund 421). FINANCIAL STATEMENT The budgetedfundingfortheAnnual Water Distribution System Improvement Project, CIP No. 22183 originally totaled $1 million butwas reduced to $858,755 on November 16, 2021, when City Council approved a staff recommendation to transfer $141,245 to the underfunded Lemoine Bypass Pipeline Project, CIP No. 22199. The Annual Water Distribution System Project, CIP No. 22183, expenditures total $846,701, leaving a balance of $12,054 (see Attachment 1). Staff recommends the project's remaining unused amountbe returned to the Water Replacementfund (Fund 421).