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6.B. - Page 1 of 28 <br />/<�ik <br />Redwood <br />CitylCallifornia <br />Faunded 1867 <br />A,&/ <br />DATE: February 11, 2019 <br />SUBJECT <br />STAFF REPORT <br />To the Honorable Mayor and City Council <br />From the City Manager <br />Approve Professional Services Agreement with Woodard & Curran, consulting engineering firm, to <br />prepare a comprehensive Sanitary Sewer Master Plan <br />RECOMMENDATION <br />By motion, approve and authorize the City Manager to execute the Professional Services Agreement <br />with Woodard & Curran in the amount of $294,342, with optional data review and training services <br />upon direction from the City in the amount of $27,880, for a total amount of $322,222.00 for the <br />preparation of a comprehensive Sanitary Sewer Master Plan. <br />STRATEGIC INITIATIVE <br />Public Safety <br />BACKGROUND <br />The City's current Sanitary Sewer Master Plan was completed in 2008; the hydraulic model which <br />informs the Plan was updated in 2013. The current hydraulic model includes 36 miles of pipelines of 10" <br />diameter or larger (trunk lines), 8 of the 26 pump stations in Redwood Shores and 2 of the 5 pump <br />stations in Seaport/Pacific Shores. Trunk lines are important as these larger sewer lines are used to <br />convey waste from smaller tributaries toward the treatment plants. The current Sanitary Sewer Master <br />Plan identifies and addresses any capacity issues in the trunk network. <br />One of the goals of this comprehensive update of the Sanitary Sewer Master Plan is to model and <br />include all 190 miles of pipeline, including the trunk lines, and all 31 pump stations of the City. Once the <br />hydraulic model is established, scenarios of current flow demands, as well as future flow demands <br />during both wet and dry weather, can be evaluated to determine possible system capacity deficiencies. <br />Other goals of the Comprehensive Sanitary Sewer Master Plans are as follow: <br />City of Redwood City 1017 Middlefield Road, Redwood City, CA. 94063 Tel: 650-780-7000 www.redwoodcity.ore <br />23 <br />