Repair HVAC Building 304 and Hanger 9

Solicitation W50S8526BA010 is an Invitation for Bid for the repair and replacement of HVAC equipment at Hangar 9 and Building 304 at Selfridge Air National Guard Base in Michigan. The project scope includes the removal of existing chiller and DX units and the installation of new cooling equipment, including an 80-ton capacity chiller for Building 304, pumps, VFDs, and DDC controls. Key technical requirements specify a 208 vac power supply for the Building 304 chiller, a 40% glycol mix concentration for both facilities, and mandatory water balancing during commissioning, though air balancing is not required. The project is set aside for total small businesses under NAICS 238220, with a project magnitude of less than 1 million dollars and a performance period of 365 days. The award will be based on the lowest responsive bid. Bidders must submit a signed SF 1442, a priced bid schedule, and a bid bond. The contract requires compliance with the Davis-Bacon Act for prevailing wage rates and incorporates various FAR and DFARS clauses regarding construction specifications, site investigation, and cybersecurity. Performance bonds and payment bonds are required at 100 percent of the original contract price. All awardees must be registered in SAM.gov, and electronic invoicing will be processed through the Wide Area WorkFlow system. The response deadline was extended via amendment to September 22, 2026.