Portland International Airport Building 7111 HVAC Upgrade and Methane Detection System Replacement

The Port of Portland is seeking a qualified contractor to replace the make‑up air‑handling units, exhaust fans, and methane‑detection system in Building 7111 at Portland International Airport. The work includes removal of existing equipment, installation of new heat‑pump AHUs, new exhaust fans, associated ductwork, electrical power, low‑voltage control wiring, fire‑alarm integration, and all required mechanical, plumbing, electrical, and commissioning services. The contract is fixed‑price, requires a 10 % bid bond, performance and payment bonds, prevailing‑wage compliance, a 20 % apprentice‑utilisation target, and $5 M liability insurance. The schedule provides up to 45 days to issue a Notice to Proceed, a 30‑week procurement phase, and a 160‑day construction period, with liquidated damages of $1,500 per day for late completion. • Replace existing make‑up air‑handling units with new heat‑pump AHUs (≈ 500 MBH each). • Replace/upgrade methane‑detection system and integrate it with the airport fire‑alarm network. • Provide full mechanical, plumbing, electrical, low‑voltage, and fire‑alarm installation, testing, balancing, and commissioning. • Meet extensive security (airport badge), safety, environmental (asbestos, dust, noise), and Oregon prevailing‑wage requirements, and submit detailed submittals, schedules, and monthly reports.