Bid Details for Central San Densified Activated Sludge (DAS) Demonstration

Project
Central San Densified Activated Sludge (DAS) Demonstration
Owner
Central Contra Costa Sanitary District (Central San)
Bid Time
11/12/2026 2:00 pm
Description

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.

Location
Martinez, California
Amount
$6,250,000
Bid Walk

Prebid meeting to discuss the Project will be held at 10 a.m., local time, October 27, 2026, in
the District’s Board Room, at 5019 Imhoff Place, Martinez, California.

Requirements
Availability
Project Documents, the prospective bidder’s list, addenda, pre-bid meeting notes, safety requirements, questions, and geotechnical reports (if any) are available for viewing without charge through the District website at https://www.centralsan.org (Construction), or directly at PlanetBids, http://www.planetbids.com/portal/portal.cfm?CompanyID=14663#. The bid results will be available on the District website after the bid opening. Hardcopies of the Project Documents and addenda may be obtained or examined at the District’s Permit Counter. Each complete paper set of Project Documents is available for a nonrefundable fee of $50. Payment must be made at the time the documents are obtained at the Permit Counter and by 3:30 p.m. Checks (payable to Central Contra Costa Sanitary District), cash, and credit cards are accepted