The Department of Defense, specifically the U.S. Army Corps of Engineers, Walla Walla District, is seeking interested contractors for the Lower Monumental PH HVAC System Upgrade project, which will take place at the Lower Granite Lock and Dam in Kahlotus, Washington. This project aims to modernize the HVAC system to enhance ventilation, heating, and cooling capabilities while ensuring efficient powerhouse pressurization and improved indoor air quality. The estimated construction cost ranges from $5 million to $10 million, with a contract award anticipated in July 2025 and physical construction expected to commence in early Fiscal Year 2026, concluding by late Fiscal Year 2027. Interested firms must submit their qualifications and relevant project experience to Nathan Bruce at nathan.i.bruce@usace.army.mil by 3:00 p.m. PST on November 25, 2024.