NC-mackay island NWR-HVAC replacement amendment

The Fish and Wildlife Service seeks replacement of an HVAC system at Mackay Island National Wildlife Refuge, Quarters #30 in Knotts Island, North Carolina, with quotations due May 25, 2026 at 9:00 AM EDT. This is a Total Small Business set-aside solicitation.

Place of performance is 684 Knotts Island Road, Knotts Island, NC 27950. The estimated contract value is less than $25,000. The period of performance runs from June 8, 2026 to September 7, 2026, with the contractor required to commence work within 10 calendar days of receiving notice to proceed and complete all work within 90 days.

The work scope requires removal and replacement of an existing second-floor HVAC system with one complete split-system unit providing approximately 2 tons cooling capacity (25% based on load calculation), minimum 14.3 SEER2 efficiency, propane furnace with 40,000–60,000 BTU output, electric emergency heat strips providing 10,000–15,000 BTU capacity, minimum 80% AFUE, and A2L or code-compliant refrigerant. Installation includes disconnection and proper disposal of existing equipment with EPA refrigerant recovery, outdoor condensing unit installation on a stable, level, code-compliant pad, connection to existing ductwork and utilities, insulation of refrigerant lines, cleaning or replacement of existing refrigerant line sets, installation of a complete condensate management system with primary and secondary drain lines and safety float switches, and provision of a new programmable thermostat. All work must comply with OSHA Standards, EPA Refrigerant Regulations, National Electrical Code, and Local and State Mechanical Codes. Work hours are Monday–Thursday, 7:00 AM–4:30 PM, with no work on federal holidays.

The NAICS code is 236118, Residential Remodelers; PSC is Z2FA, Repair Or Alteration Of Family Housing Facilities. Davis-Bacon wage rates apply. Submissions must include manufacturer product data, equipment specifications, load calculations, and warranty documentation. Award will be made to the responsible respondent with the lowest evaluated price determined fair and reasonable. Questions are due May 14, 2026 at 9:00 AM EDT. An organized site visit is scheduled for April 22, 2026 from 10:30 AM to 11:30 AM EDT, with RSVPs required 24 hours in advance. Amendment 0001, effective May 11, 2026, extended both deadlines and issued an updated Statement of Work.