Requests for Statements of Pre-Qualifications from Interested General Contractors for the DAS Demonstration
Closed State & local contract opportunity Posted
- Solicitation number
- DP 100104
- State
- California
- Responses due
Opportunity facts
- Jurisdiction
- Point of contact
-
- William Grant wgrant@centralsan.org (925) 229-7189
Opportunity details come from constructionbidsource.com. Updated .
About this opportunity
The Central Contra Costa Sanitary District is requesting statements of pre-qualifications from interested general contractors for a full-scale Densified Activated Sludge (DAS) process demonstration project, with pre-qualification statements due October 5, 2026 at 4:00 p.m. PDT via PlanetBids. Prospective bidders must be registered with the California Department of Industrial Relations as a public works contractor under SB 854; the District restricts bids to CA DIR-registered vendors only.
The scope includes installation of a hydrocyclone-based physical selection system, compressed air channel mixing system, RAS piping modifications, temporary bypass pumping and piping, and power infrastructure. Submission must be in the District's GC-SOPQ package format through the PlanetBids portal exclusively.
The contract is structured as a lump sum award under construction services NIGP categories 91200, 91300, and 91400. No estimated contract value, bond percentages, or contract term are specified in the notice. An online question and answer period closes September 23, 2026 at 5:00 p.m. PDT. No in-person pre-bid meeting is scheduled. The District's Engineering Department is located at 5019 Imhoff Place, Martinez, California 94553; contact by telephone at 925-957-7628 or email at CapitalAdmin@centralsan.org.
Opportunity text
The work generally consists of 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
Files
| File | Type | Posted |
|---|---|---|
| Bid Notice.pdf |
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