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Bidding
City of Norwalk
Well No. 10 GAC Treatment and System Upgrades
Due Date
Nov 5, 2026
Bid ID
IFB No. 27-880
Location
CA
Bid Details
The Project includes, without limitation, furnishing all necessary labor,materials, equipment and other incidental and appurtenant work necessary to satisfactorilycomplete the Project, as more specifically described in the Contract Documents. The projectinvolves site clearing, demolition, and infrastructure salvage. At the Well No. 10 site, theContractor shall procure and install a new well pump and motor and reconfigure the vault pipingand pressure reducing valve (PRV) station to integrate the new treatment stream. The vault scopealso 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 GranularActivated Carbon (GAC) system with four steel pressure vessels, prefilters, and a bolted steelbackwash tank. The scope further includes a sodium hypochlorite (SHC) disinfection system witha covered facility for chemical storage and dosing, along with integrated containment andmonitoring systems. Final deliverables include complete electrical and instrumentation integrationinto the onsite SCADA system, yard lighting, and site civil works, including a new central accessdrive, equipment pads, and a stormwater drywell system.