The Department of Defense, specifically the U.S. Army Engineer District Walla Walla, is seeking sources for the upgrade of the HVAC system at the Lower Monumental Project Headquarters located in Kahlotus, Washington. This procurement aims to enhance the plumbing, heating, and air-conditioning systems, which are critical for maintaining operational efficiency and comfort within the facility. The project falls under the NAICS code 238220 and the PSC code Z2KA, indicating a focus on the repair or alteration of dams. Interested contractors can reach out to Nathan Bruce at Nathan.I.Bruce@usace.army.mil or call 509-527-7224 for further details regarding this opportunity.