Project Information

Bid Title

Secondary Sedimentation Basins Upgrade - Flights & Chains Purchase, Delivery & Installation Support

Issuing Agency

West County Wastewater

Location

California

Published Date

Aug 19, 2026

Closing Date

Sep 8, 2026

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

Project ID:

Title: Secondary Sedimentation Basins Upgrade - Flights & Chains Purchase, Delivery & Installation Support

Addenda: 0

Release Date: 8/18/2026

Due Date: 9/8/2026

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Secondary Sedimentation Basins Upgrade - Flights & Chains Purchase, Delivery & Installation Support

Request for Proposal (RFP)

Infrastructure and Planning

Project ID: 26-RFP-035

Release Date: Tuesday, August 18, 2026

· Due Date: Tuesday, September 8, 2026 3:00pm

Posted Tuesday, August 18, 2026 3:46pm

All dates & times in Pacific Time - Los Angeles

Draft Response No Bid19 days, 20 hours, 33 minutes

Post Information

Posted At:Tue, Aug 18, 2026 3:46 PM
Sealed Bid Process:Yes (Bids Sealed / Pricing Sealed)
Private Bid:No

Overview

Summary

Notice Inviting Proposals

West County Wastewater District ("WCW") is seeking proposals from qualified vendors to Furnish all labor, equipment, materials and services necessary to design, fabricate, test and deliver two sets of chain and flight clarifier equipment including motors, control panels, and associated appurtenances for a complete chain and flight system, as specified for the construction of West County Wastewater Project No #24PP505, Chain and Flight Equipment Procurement Project in conformance with the approved Contract Documents (the "Project"). ("Goods"), as further detailed in Section 3, Scope of Work and Attachment F, Final Chain & Flight Equipment Procurement Document. The delivery of the goods and installation/commissioning support services are collectively referred to as the "Work" If approved by WCW's Board of Directors, or designee, the successful Proposer will execute a Purchase Order in the form of Attachment A.

The project scope, content of proposal, and selection process are summarized in this Request for Proposals ("RFP"). WCW intends to adhere to the solicitation schedule shown in the Timeline below, which is subject to change at WCW's sole discretion.

Solicitation Schedule

The complete Solicitation Schedule for this Project, " Secondary Sedimentation Basins Upgrade - Flights & Chains Purchase, Delivery & Installation Support ", is stated in the Timeline section below.

All proposals must be submitted through WCW's eProcurement Portal , OpenGov Procurement, in accordance with the solicitation schedule. All Questions must be submitted in writing through OpenGov Procurement by clicking the Question/Answer Tab. All Questions submitted and answers provided will be electronically distributed to Proposers through OpenGov Procurement, pursuant to the solicitation schedule in the Timeline below.

Proposals will not be accepted after the proposal submission deadline. An incomplete proposal or a proposal that does not conform to the requirements may not be considered, in WCW's sole discretion. Issuance of this RFP does not obligate WCW to award a contract. WCW is not liable for any of Proposer’s costs to prepare and submit a proposal. WCW may award all or parts of this contract to several Proposers, select no Proposers, and/or to re-solicit proposals. By submitting a proposal, the Proposer agrees that it has read and understands all requirements and conditions of this RFP.

Submission of a proposal constitutes a firm offer to WCW for 180 days from the deadline. Submission of a proposal indicates an intent to be bound to the conditions contained in this RFP unless a clear exception request is included in the proposal. Questions regarding this RFP are to be submitted and answered through WCW's eProcurement Portal .

Background

WCW provides wastewater collection and treatment services to approximately 100,000 residents. WCW is a political subdivision of the State of California and operates as an independent special district. WCW's current political boundaries are comprised of the City of San Pablo, a portion of the City of Richmond, a portion of the City of Pinole, and some unincorporated areas within western Contra Costa County.

WCW's system includes 249 miles of gravity sewer pipelines, 17 lift stations, 6 miles of pressurized force mains, and a water quality resource recovery plant with a National Pollutant Discharge Elimination System (NPDES) permitted capacity of 12.5 million gallons per day.

Timeline

RFP Issued:

August 18, 2026

Questions and Requests for Approved Equals Due:

August 25, 2026, 3:00pm

WCW's Response to Questions/Requests for Approved Equals:

September 1, 2026, 3:00pm

Proposal Submission Deadline:

September 8, 2026, 3:00pm

Interviews (if required):

September 9, 2026

Vendor Selection Date (tentative):

September 10, 2026

Commodity Codes

• NAICS 238210Electrical Contractors and Other Wiring Installation Contractors
• NAICS 541330Engineering Services
• NAICS 541511Custom Computer Programming Services
• NAICS 541519Other Computer Related Services

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