650 Imperial Way HVAC Upgrades Project, PW 18-03


  • Status: Construction
  • Contact: Liang Su
  • Publish Date: September 24, 2020

Project Scope

The project is located at the Napa County Facility: 650 Imperial Way, Napa, CA  94559.

The work in general consists of, but is not limited to supplying all labor and materials to replace one existing HVAC rooftop unit with a larger unit as well as existing single duct variable air volume (VAC) boxes to dual duct boxes and associated ductwork as show on the plans entitled "650 Imperial Way HVAC System Upgrade Project, PW 18-03" and these specifications.

Contractor shall possess a Class B or C-20 License at the time of contract award. The Construction estimate for this project is $515,000.

Bid Documents

The bid opening was 10-29-20, the project was awarded on December 8, 2020 by the Board of Supervisors to Trahan Mechanical for their low bid of $384,200 plus the Add Alt of $197,200.  The 3 lowest bidder's sublists have been posted.  The bid tabulation document has been posted.  S H Mechanical withdrew their bid.

Contractor Location Total Base Bid
SH Mechanical Suisun City, CA $290,199.00
Trahan Mechanical San Rafael, CA $384,200.00
S & H Construction Fremont, CA $393,000.00
Dowdle & Sons Mechanical American Canyon, CA $399,700.00
Bell Products, Inc. Napa, CA $419,732.00
Emcor Mesa Energy Systems Sacramento, CA $428,616.00
GECO Inc. Novato, CA $774,000.00