Project Information

Bid Title

WA23-0200 Water Treatment Plant Filter Media Replacement & Underdrain Repair

Issuing Agency

City of American Canyon

Location

California

Published Date

Jul 2, 2026

Closing Date

Jul 29, 2026

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

Project ID:

Title: WA23-0200 Water Treatment Plant Filter Media Replacement & Underdrain Repair

Addenda: 0

Release Date: 7/2/2026

Due Date: 7/29/2026

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WA23-0200 Water Treatment Plant Filter Media Replacement & Underdrain Repair

Request For Proposal

Public Works

Release Date: Thursday, July 2, 2026

· Due Date: Wednesday, July 29, 2026 3:00pm

Posted Thursday, July 2, 2026 1:45pm

All dates & times in Pacific Time

Draft Response Events RSVP No Bid26 days, 20 hours, 5 minutes

Post Information

Posted At:Thu, Jul 2, 2026 1:45 PM
Sealed Bid Process:Yes (Bids Sealed / Pricing Sealed)
Private Bid:No

Overview

Summary

STATEMENT OF PURPOSE

The City of American Canyon is soliciting proposals from qualified firms or individuals ("Proposer") to rehabilitate and replace a portion of the water treatment plant underdrain and filtration system which in general includes replacement of media in filter beds 1 and 2, under drain piping, lateral piping, surface wash piping, surface wash arms and four flap gates, all existing and new metal components epoxy coated to AWWA Standards. All proposers must hold a valid Class A - General Engineering Contractor license issued by the Contractors State License Board. More details on the City's needs for this work are provided in the scope of work.

Each qualified Proposer is to submit a proposal in conformity with the terms of this Request for Proposal ("RFP") by the deadline below ("Proposal"). The Proposer selected by the City pursuant to the terms of this RFP and the City's contracting procedures, if any is selected, is referred to herein as "Consultant."

SYNONYMOUS TERMS

Unless the use indicates otherwise, as used throughout this bid and its attachments, the following terms are synonymous:

a. Firm, Consultant, Supplier, Vendor, Contractor, Successful Bidder, Offeror

b. Purchase Order, Contract, Agreement

c. Services, Work, Scope, and Project

d. Pricing proposal/sheet, Cost proposal/sheet, Rate table/sheet

Background

The Conventional Water Treatment Plant designed and constructed to treat and produce two million gallons per day (2.0 MGD). Raw Water received from the State Water Project (SWP), North Bay Aqueduct (NBA). The Conventional Water Treatment Plant annexed to the city American Canyon which became incorporated in year 1992. To meet potable water demands in year 2005 American Canyon added a 3 MGD, Zenon Ultra-Filtration Membrane Treatment Plant.

The plant flow design consist of flocculation basins, clarifier basins and filter basins. The filter basin is 462 square feet, water depth 6 feet, five inches with a total media depth of forty-nine inches. Current media from bottom to top consists of silica gravel depth ten inches, high density support gravel nine inches, high density support sand depth three inches, intermediate sand depth nine inches and coal depth eighteen inches. The specification of media size is referenced on the original construction drawings that will be provided.

Timeline

Project Release Date:

July 2, 2026

Pre-Proposal Meeting (Mandatory):

July 15, 2026, 9:00am

270 Kirkland Ranch Road, American Canyon, CA 94503

Question Submission Deadline:

July 22, 2026, 5:00pm

Question Response Deadline:

July 23, 2026, 12:00pm

Response Submission Deadline:

July 29, 2026, 3:00pm

Consultant Selection Date:

August 7, 2026

Commodity Codes

• NAICS 221310Water Supply and Irrigation Systems
• NAICS 237110Water and Sewer Line and Related Structures Construction
• NAICS 238220Plumbing, Heating, and Air-Conditioning Contractors

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