South Campus Building 4 HVAC Replacement, PW 23-10 RE-BID

Location:	California
Posted:	Mar 25, 2026
Due:	Apr 14, 2026
Agency:	Napa County
Type of Government:	State & Local
Category:	Z - Maintenance, Repair or Alteration of Real Property
Solicitation No:	PW 23-10
Publication URL:	To access bid details, please log in.

Bid Number:	PW 23-10
Bid Title:	South Campus Building 4 HVAC Replacement, PW 23-10 RE-BID
Category:	Construction, Roads and Public Works
Status:	Open

Description:

The project includes, but is not limited to, the replacement of three existing Custom Air Handling Units, the existing hydronic heating water boiler system, and part of the existing HVAC system controls, among several other HVAC-related improvements at 2721 Napa Valley Corporate Drive, Napa, CA 94558. Refer to the Plans and Specifications for more details.

Engineer Estimate: $3,500,000

To receive https://procurement.opengov.com/portal/countyofnapa

THIS PROJECT IS SUBJECT TO A COMMUNITY WORKFORCE AGREEMENT

Publication Date/Time:

3/25/2026 12:20 PM

Publication Information:

Napa Valley Register

Closing Date/Time:

4/14/2026 11:30 AM

Qualifications:

License class: C-20

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County of Napa, CA

South Campus Building 4 HVAC Replacement, PW 23-10

ENGINEER'S ESTIMATE: $3,655,000

REQUIRED BIDDER LICENSE CLASS: C-20

RELEASE DATE: Tuesday, February 10, 2026

DEADLINE FOR QUESTIONS: Tuesday, March 3, 2026, 5:00 pm

BID DEADLINE AND OPENING: Tuesday, March 10, 2026, 11:30 am

PROJECT DESCRIPTION: The project includes, but is not limited to, the replacement of three existing Custom

Air Handling Units, the existing hydronic heating water boiler system, and part of the existing HVAC system

controls, among several other HVAC-related improvements at 2751 Napa Valley Corporate Drive, Napa, CA

94558.

Please refer to the project timeline in the project OpenGov portal for all important deadlines.

RESPONSES MUST BE SUBMITTED ELECTRONICALLY TO:

https://procurement.opengov.com/portal/countyofnapa

THIS PROJECT IS SUBJECT TO A COMMUNITY WORKFORCE AGREEMENT

Sydney Barclay is the project contact and may be reached at (707) 253-4921.

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1. South Campus Building 4 HVAC Replacement

This project involves the replacement of the existing Air Handling Units 1, 2, and 10, with custom-built AHUs;

replacement of the existing hydronic heating water boiler system with three new condensing boilers;

replacement of the existing VAV box controllers and electronic control valves for AHU zones 1, 2, 5, and 10,

and in the mechanical bay; connection of the existing mechanical bay exhaust fans. Provide new Siemens

BACnet controllers for AHU 1,2 and 10 and interface the existing AHU zone 5 ALC BACnet controls to the

new Siemens system, provide graphics upgrades for the new connect new duct-mounted smoke detector inside

for AHUs 1, 2, and 10, and interface to the existing main building fire alarm system; and installation of one

single-split air conditioning unit to serve the existing ground floor office.

This is the opportunity summary page. It provides an overview of this opportunity and a preview of the attached documentation.

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South Campus Building 4 HVAC Replacement, PW 23-10 RE-BID

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See also