Well No. 10 GAC Treatment and System Upgrades
Open State & local contract opportunity Posted
- Solicitation number
- 7451, 27-880
- State
- California
- Responses due
Opportunity facts
- Jurisdiction
- Point of contact
-
- Christopher Enriquez cenriquez@norwalkca.gov (562) 929-5926
Opportunity details come from constructionbidsource.com. Updated .
About this opportunity
Los Angeles County is soliciting bids for Well No. 10 Granular Activated Carbon treatment and system upgrades in California, with proposals due November 5, 2026. The scope encompasses site clearing, demolition, infrastructure salvage, and complete water treatment infrastructure installation at a single well site.
The contractor must procure and install a new well pump and motor, reconfigure vault piping and the pressure reducing valve station, rebuild the PRV, coat below-grade piping, and replace existing exhaust fans, flow meters, and static mixer. The primary deliverable is a Granular Activated Carbon system with four steel pressure vessels, prefilters, and a bolted steel backwash tank. A secondary disinfection stream includes a sodium hypochlorite system with a covered chemical storage and dosing facility, integrated containment and monitoring systems. Civil works comprise a new central access drive, equipment pads, and a stormwater drywell system. All electrical and instrumentation components must integrate with the onsite SCADA system. The contractor bears responsibility for furnishing all labor, materials, equipment, and incidental work required for satisfactory completion.
Contract value, term, set-asides or preferences, evaluation criteria, and timeline detail beyond the proposal due date are not specified in the solicitation posting.
Opportunity text
The Project includes, without limitation, furnishing all necessary labor, materials, equipment and other incidental and appurtenant work necessary to satisfactorily complete the Project, as more specifically described in the Contract Documents. The project involves site clearing, demolition, and infrastructure salvage. At the Well No. 10 site, the Contractor shall procure and install a new well pump and motor and reconfigure the vault piping and pressure reducing valve (PRV) station to integrate the new treatment stream. The vault scope also includes rebuilding the PRV, coating below-grade piping, and replacing existing exhaust fans, flow meters, and the static mixer. Additionally, the Contractor shall furnish and install a Granular Activated Carbon (GAC) system with four steel pressure vessels, prefilters, and a bolted steel backwash tank. The scope further includes a sodium hypochlorite (SHC) disinfection system with a covered facility for chemical storage and dosing, along with integrated containment and monitoring systems. Final deliverables include complete electrical and instrumentation integration into the onsite SCADA system, yard lighting, and site civil works, including a new central access drive, equipment pads, and a stormwater drywell system.
Files
| File | Type | Posted |
|---|---|---|
| Well No. 10 GAC Treatment and System Upgrades.pdf |
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