TO: Members of the Governing Board
FROM: Christopher Silke - District Engineer
REPORT BY: Christopher Silke - District Engineer
SUBJECT: Approval of Plans and Specifications and Authorization to Advertise for Bids for Transfer Pumping Equipment and Storage Project, LB 25-01
RECOMMENDATION
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Approve plans and specifications for the "Transfer Pumping Equipment and Storage Project," LB 25-01 and authorization to advertise for sealed bids and opening of the bids at a time, date, and location to be published by the District Engineer pursuant to Section 20150.8 of the Public Contract Code. (No Fiscal Impact; Discretionary)
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BACKGROUND
The District filed an application for public water system funding assistance through the Department of Water Resources (DWR) Small Community Drought Relief Program (SCDRP) in November 2021 seeking a total of $637,000 to cover costs associated with the District's Emergency Drought Response. The project implements groundwater and sub-channel creek supply feasibility investigations and strengthens the system's ability to sustain water supply during critically dry years. Project elements are listed below; all but project elements in No. 3 are complete.
1. The installation of a seasonal floating intake structure to compensate for declining water levels in Putah Creek due to severe drought;
2. Extending the water supply intake to a nearby alluvium gravel bar and replacing a dilapidated Concrete Masonry Unit (CMU) Intake Utility Building with a new building and a Potassium Permanganate chemical treatment process for pre-treatment of raw water;
3. Purchase and acquisition of portable pumping equipment, hoses and a tank placed at the water supply intake pool to carry out temporary water transfers within the Putah Creek basin from upstream pools to the stationary intake; and
4. Conduct hydrogeologic explorations for a potential alluvial or fractured rock deep well supply in proximity to the Berryessa Estates water service area that can...
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