Well No. 10 GAC Treatment and System Upgrades

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.

• APPENDIX A - PROJECT PLANS_AM_SIGNED.pdf

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• APPENDIX B - GEOTECHNICAL REPORT.pdf

  application/pdf2.5 MBNot yet available
• APPENDIX C - WATER QUALITY DATA.pdf

  application/pdf10.7 MBNot yet available
• APPENDIX E - CITY OF NORWALK STANDARD PLANS.pdf

  application/pdf30.9 MBNot yet available
• APPENDIX D - WRD FUNDING COMPLIANCE REQUIREMENTS.pdf

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• City of Norwalk Bid Specification - Final_Signed_10-5-2026_R.pdf

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• Christopher Enriquez
  cenriquez@norwalkca.gov562-929-5926