Project Information

Bid Title

Construction Management for Milliken Raw Water Pipeline Hardening HMGP

Issuing Agency

City of Napa

Location

California

Published Date

Oct 29, 2025

Closing Date

Nov 20, 2025

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

Project ID:

Title: Construction Management for Milliken Raw Water Pipeline Hardening HMGP

Addenda: 5

Release Date: 9/25/2025

Due Date: 11/20/2025

Post Information

Posted At:Thu, Sep 25, 2025 4:28 PMSealed Bid Process:Yes (Bids Sealed / Pricing Sealed)Private Bid:No

Overview

Summary

The City of Napa (“City”) requests proposals (“Proposals”) from qualified individuals or firms (individually, a “Respondent” and collectively, “Respondents”) for Construction Management for Milliken Raw Water Pipeline Hardening HMGP (“Project”) by or before Thursday, November 20, 2025 , at 3:00 pm , via electronic submission through the procurement portal at https://procurement.opengov.com/portal/cityofnapa , in the manner set forth in the Request for Proposal Procedures. The Project Work involves furnishing all labor, equipment and materials necessary to install approximately 6,200 feet of 16-inch pipeline and appurtenances, and all other work necessary to complete this project under the direction of the City of Napa. The pipeline is on an unpaved trail that runs adjacent to Milliken Creek with steep grades on either side, roughly half its length accessible by ATV-sized vehicles only.  The pipeline will be used to convey raw, untreated water to the Milliken Water Treatment Plant . The Atlas Fire in 2017 damage d the previous pipeline, which was removed in 2024 to facilitate trail repairs . About 3,500 feet of the new pipeline will be buried and about 2,700 feet will be aboveground. The Project includes installation of a steel shield over the aboveground portion to protect against falling trees and rocks. The Project is funded in part by FEMA's Hazard Mitigation Grant Program and HUD's MITigation – Resilient Infrastructure Program (MIT-RIP). The Respondent will be expected to meet relevant federal requirements related to this program and facilitate funding compliance activities.

Background

The City is a charter city located in Napa County, with an estimated population of 80,000. Additional information about the City is available online at www.cityofnapa.org . Plans, Specs, and other information related to the construction project are available on OpenGov at Project ID 2025-IFB - PC-064, "Milliken Raw Water Pipeline Hardening HMGP"

Timeline

RFP Release Date:

September 25, 2025

Pre-Proposal Site Meeting (Mandatory):

October 8, 2025, 9:00am

630 Chapparal Circle, Napa, CA, Milliken Treatment Plant to Diversion Dam (trail walk, 1-2 hours)

Pre-Proposal Digital Meeting:

October 14, 2025, 12:00am

RSVP to ddemaster@cityofnapa.org by Wednesday, Oct 8, for invite or join here:
https://teams.microsoft.com/l/meetup-join/19%3ameeting_OTk1ZmRiY2YtNjdhNy00NTAzLTlhZDMtNjY5YjdkOTM0YWE5%40thread.v2/0?context=%7b%22Tid%22%3a%227c2235c7-3aee-4099-a6c4-bde6470cfa85%22%2c%22Oid%22%3a%2262142e01-02f8-417f-a220-8536ec33ffcc%22%7d

Request for Information Deadline:

November 6, 2025, 5:00pm

Proposal Submission Deadline:

November 20, 2025, 3:00pm

Notice of Selection Date:

December 2, 2025

Interviews (If requested by the City):

TBD

Council Approval & Award Date:

December 16, 2025

Commodity Codes

• NAICS 236220Commercial and Institutional Building Construction
• NAICS 237110Water and Sewer Line and Related Structures Construction
• NAICS 237990Other Heavy and Civil Engineering Construction
• NAICS 541330Engineering Services

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