Browse RFPs from Central Contra Costa Sanitary District with upcoming deadlines.
5 opportunities shown.
Central Contra Costa Sanitary District
Special DistrictCA
Posted
Oct 13, 2026
Nov 13, 2026
The Central Contra Costa Sanitary District is soliciting proposals from qualified consulting firms interested in providing services for construction management services for the Ultraviolet Disinfection Replacement, District Project 100012.
Central Contra Costa Sanitary District
Special DistrictCA
Posted
Oct 20, 2026
Nov 12, 2026
The work generally consists of installation of owner-furnished hydrocyclone and compressed air channel mixing systems, return activated sludge piping modifications, and installation, rental, and decommissioning of temporary bypass pumping, piping, and power infrastructure.
Central Contra Costa Sanitary District
Special DistrictCA
Posted
Sep 8, 2026
Nov 13, 2026
Construction management services for the ultraviolet disinfection replacement, district.
Central Contra Costa Sanitary District
Special DistrictCA
Posted
Sep 10, 2026
Nov 13, 2026
The proposed solution shall support central san s permitting, application and technical review, fee calculation and collection, inspection, environmental compliance, engineering, customer self-service, document management, reporting, and related administrative processes.
Central Contra Costa Sanitary District
Special DistrictCA
Posted
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Nov 12, 2026
Installing a full-scale demonstration of the Densified Activated Sludge (DAS) process, including a hydrocyclone-based physical selection system, compressed air channel mixing system, RAS piping modifications, temporary bypass pumping and piping, and power infrastructure.
