Charles Street Vehicle Maintenance HVAC Improvements

City of Seattle Department of Finance and Administrative Services is soliciting bids for upgrades to the existing exhaust fan system and installation of a new makeup air unit at the Charles Street Vehicle Maintenance facility under PW#2026-041, with a mandatory pre-bid site inspection on November 3, 2026 and bids due November 18, 2026. Bidders must submit a Women and Minority Business Enterprise (WMBE) Inclusion Plan with their bid and earn a minimum of 10 points from a 16-point maximum across aspirational WMBE goals, business support strategies, and WMBE guarantees.

The Inclusion Plan demonstrates good faith efforts toward WMBE utilization, with a past-performance baseline of 15 percent WMBE utilization for mechanical projects. Bidders must hold Washington State contractor registration, a UBI number, industrial insurance coverage, and public works and prevailing wage training. Specialty trades may be self-performed only by bidders licensed and qualified in Washington. For this estimated $1,000,000-plus public works project, bidders must identify subcontractors for HVAC, plumbing, electrical, and structural steel installation (the bid form adds rebar installation) or indicate self-performance.

The work is a lump sum stipulated sum contract with an Engineer's Estimate of $1.54 million, funded through the Finance & Administrative Services Fund and authorized under Ordinance No. 127362. The project is at 805 South Charles Street, Seattle, Washington, with TCA Architecture Planning serving as architect. Bidders must comply with prevailing wage requirements, non-discrimination provisions under Seattle Municipal Code Chapter 20.42 and RCW 35.22.650, responsible bidder requirements under RCW 39.04.350, paid sick and safe time under SMC 14.16 and RCW 49.46, equal benefits, and social equity contracting standards. Each bid requires a 5 percent guaranty of the total bid amount, including additives and retail sales tax if applicable, by cashier's check, certified check, or bid bond. Original guaranty documents must be mailed with a postmark no later than one business day after bid opening. Pricing is submitted through the OpenGov Bid Form, and all dollar amounts exclude sales tax.

Attend one of two mandatory pre-bid site inspections, on November 3, 2026 or November 5, 2026, each at 9:00 a.m. Questions are due November 12, 2026 at 5:00 p.m. Bids open November 18, 2026 at 2:00 p.m., with electronic submission through OpenGov.