Replace R22 HVAC System and Siemens Controls Upgrade

The contract involves the replacement of the R22 HVAC system and the upgrade of Siemens controls at Joint Base Andrews, Maryland, with work focused on Building 3212 and nine additional buildings: B1217, B1225, B1228, B1234, B3029, B3030, B3119, B3236, and B3252. The contractor is responsible for furnishing all tools, labor, equipment, transportation, and parts necessary to demolish and replace the existing 30-ton R22 DX condensing unit and air-handling unit with hot water heating coils, including refrigerant piping, electrical disconnects, exterior conduits, wiring, condensate pans, and drain lines, while reusing existing ductwork where feasible. All new HVAC equipment must be fully compatible with the existing Siemens Building Automation System, and legacy Siemens Field Panel Controllers in the listed buildings must be upgraded to meet Joint Base Andrews Civil Engineering design guidelines, public laws, federal regulations, and manufacturer instructions. The project includes coordination of refrigerant disposal, system re-commissioning, Testing and Balancing of the Air Handling Unit, and a constructibility review of the base design. Work must be performed between 7:00 a.m. and 4:00 p.m., Monday through Friday, excluding weekends and federal holidays, with a 90-calendar-day period of performance starting from the Notice to Proceed. The contract is a Firm Fixed Price, Total Small Business Set-Aside under NAICS Code 238220, and only small businesses may respond. All proposals must be submitted by 16:00 EDT on July 17, 2026, and must include a total price for each Contract Line Item Number along with a comprehensive breakdown of labor categories and direct hourly rates, submitted in a Microsoft Excel-compatible format with all formulas and calculations visible to demonstrate fairness, reasonableness, and completeness. Offerors must ensure system compatibility with the established Siemens BAS, as this is a critical pass-fail requirement for award. Contract performance is subject to strict security protocols, including base entry requirements, mandatory Antiterrorism Awareness Level I training for all personnel within 45 days of contract start, prohibition of weapons on base, and compliance with NCIC-III and Terrorist Screening Database adjudication standards. All vehicles must be properly registered, meet safety and emissions standards, display the