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

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.
Subscribe to follow future Napa County procurement opportunities!
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.