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Health & Fitness

New developments in SBSA's plans to replace its antiquated pump stations

Predesign efforts for the replacement of all of SBSA’s pump stations are continuing.  The latest development relates to the pump station serving West Bay Sanitary District flows. The predesign project is recommending replacing the existing West Bay Pump Station’s wet well because it is too small for the new pumps. The pump station structure would be repurposed for electrical gear and controls. In addition, the Menlo Park Pump Station will be named Pump Station 1 to capture the history of the new facility. The estimated project cost for the Pump Station 1 project is $11,000,000.

            The next engineering steps in the Pump Station Replacement Project are to complete the predesign and then hire design engineers to prepare the final designs for all SBSA pump stations. Parallel activities are the environmental review required to comply with California Environmental Quality Act (CEQA) and securing project funding. At this time it is assumed that the CEQA document for these projects will be an Initial Study/Mitigated Negative Declaration (IS/MND). SBSA will seek California State Revolving Fund (SRF) financing from the State Water Resources Control Board (SWRCB) for these projects, so the environmental documentation and process will need to be upgraded and meet CEQA-Plus requirements.

            The SBSA Commission, to move these tasks forward, recently approved contract task amendments with David J. Powers & Associates (DJP&A) and Valerie Young. DJP&A will prepare the CEQA-plus environmental documents and Young will continue to provide environmental review advising and oversight.

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            Similar work with the same consultants was approved last summer and preliminary design continues on:

·        Belmont and San Carlos’ flow will be pumped from a single new pump station, named Pump Station 3, that will be located adjacent to the existing San Carlos Pump Station site;

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·        A new 36-inch gravity pipeline will be installed to convey the flow from the existing Belmont Pump Station to Pump Station 3; and,

·        The existing Belmont Pump Station will be demolished and the previously identified segment 4 of the force main will not be built.

·        The Redwood City Pump Station will be replaced with new Pump Station 2.

 






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