Colonial National Historic Park, Yorktown VA - Rep

The National Park Service, Northeast Region, seeks replacement of a 3-ton HVAC system at Nelson House Carriage House, Colonial National Historic Park, Yorktown, Virginia, with proposals due July 2 at 11:00 AM EDT. This is a Total Small Business set-aside.

Place of performance is Yorktown, Virginia. An organized site visit is scheduled for June 9, 2026, at 9:00 AM EDT at 209 Read Street, Yorktown, VA 23690. The structure dates to circa 1732 and permits no new penetrations through brick or interior walls; the air handler must fit within existing space, though duct modifications are acceptable. The condenser must be elevated 4 inches above the current pad using plastic or composite risers. All work must occur during standard business hours (8:00 AM to 4:30 PM) while the facility remains occupied as a dispatch center; any electrical service disconnection requires advance scheduling. The contractor must assume lead-based paint is present in affected work areas. Davis-Bacon wage rates apply per VA20260169.

The base contract item covers replacement of the existing 3-ton Trane heat pump air handler and condensing unit with high-efficiency equipment (17 SEER or better) featuring minimum 8kW heat strips (10kW preferred), replacement of the zone control panel and dampers with equipment capable of controlling two zones, and replacement of the refrigerant line set. Option 1 adds installation of two commercial-grade thermostats with humidity and dehumidification control. Performance must begin within 14 calendar days of notice to proceed and complete within 218 calendar days. The contractor must provide three to five relevant projects completed within the last five years and deliver a one-year warranty against defects plus five-year workmanship warranty. Performance and payment bonds are not required. Evaluation uses Lowest Price Technically Acceptable with award to the best overall value, weighing technical approach, project experience, management approach, and past performance equally against price. NAICS 238220; PSC N041. Amendment 0002, posted June 29, extends the deadline to July 2 and answers RFIs 8 through 28.