Building 161E Renovation and Systems Retrofit

The Port of Seattle is requesting bids on Building 161E Renovation and Systems Retrofit at Seattle-Tacoma International Airport under Contract MC-0322761/N04427, with bids due October 22, 2026. The project is estimated at $1 million or more with a 450-calendar-day completion timeline. Bidders must meet a 10% Women and Minority Business Enterprise aspirational goal, with the requirement to either commit to the goal or demonstrate affirmative efforts to include WMBE participation.

The scope encompasses comprehensive renovation of the existing air cargo building, including roof replacement with skylight removal, exterior window replacement, interior wall patching and selective demolition, restroom facility upgrades, door replacement, electrical and mechanical system upgrades, communications infrastructure improvements, HVAC equipment roof work and curb replacement, and attachment of supports and hangers from underside of lab and decking.

Contractors must comply with Washington State wage certification requirements and subcontractor prompt payment obligations. Apprentice utilization of 15% of total labor hours is mandatory, with monetary incentives for meeting the requirement and penalties for non-compliance.

Bids must be submitted electronically to const-proposal@portseattle.org as a lump sum for the complete scope of work. Bid security equal to 5% of the total bid amount is required. Bidders must submit acknowledgment of all addenda, a subcontractor work listing form, and a WMBE Commitment Plan form. Mandatory subcontractor identification is required for HVAC, plumbing, electrical work, structural steel installation, and rebar installation, with certain categories due at initial bid submission and others due within one hour after the published bid submittal time. State sales taxes are not included in the bid price.