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REPORT - RELIEF FROM BID AND CONTRACT AWARD - WEST COLLEGE STORAGE FACILITY PUMPING IMPROVEMENTS
BACKGROUND: The West College Wet Weather Facility storage basins allow the City of Santa Rosa to temporarily divert sewage from the Llano trunk sewer system in order to balance flows conveyed to the Laguna Treatment Plant during peak winter storm events. Currently, the City seasonally rents two trailer mounted diesel-powered pumps, placed adjacent to two separate trunk sewer manholes along Pfister Road. When sewer flows exceed a certain flow threshold, the pumps are activated and flows are conveyed to the storage basin.
This project includes the purchase and installation of two mobile, diesel powered pumps and fuel tanks; installation of roofless built-in containment structures, piping connections at two separate sites adjacent to trunk sewer manholes along Pfister Road; and installation of a containment structure serving the West College pump station.
On November 30, 2021, several hour...
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