BID - Secondary Process Improvements Phase 1 22126-D
Jun 25, 2026
Closes
Aug 19, 2026
This bid covers construction of three new aeration basins, one new secondary clarifier, two new pumping stations, and associated process piping. The work also includes aeration blowers, rotary drum thickeners, hydrocyclones, pumps, electrical facilities, a standby generator, a fuel tank, electrical duct banks, site and utility improvements, and demolition of existing facilities. Delta Diablo is soliciting the work as Phase 1 of its Secondary Process Improvements project at its wastewater treatment facility in Antioch, California.