Gate-replace HVAC sys at bldg 47&58-saho

The Department of the Interior National Park Service Northeast Region seeks replacement of HVAC systems at two buildings (47 and 58) at Gateway National Recreation Area's Sandy Hook Unit, with proposals due July 30, 2026 and a mandatory site visit on July 16. This is a Total Small Business Set-Aside.

Place of performance is Fort Hancock, New Jersey (Buildings 47 and 58, approximately 0.2 miles apart). NAICS code is 238220, Plumbing, Heating, and Air-Conditioning Contractors; PSC is J041.

Building 47 requires complete replacement of heating and cooling systems: removal of an existing oil boiler and installation of a High-Efficiency 3-Pass Cast Iron Water Boiler with minimum 86% AFUE and Energy Star certification, configured for heating oil and propane with a 10-year heat exchanger warranty; replacement of two 5-ton Goodman air conditioning condensers with high-efficiency units rated minimum 18 SEER2 with R-454B refrigerant, Energy Star certified, variable or 2-stage compressors, and coastal/marine corrosion-resistant coatings; replacement of two horizontal air handlers with matching brand units; and installation of two smart thermostats with 7-day programmable scheduling. Building 58 requires replacement of two 4-ton York air conditioning condensers meeting the same high-efficiency specifications, two horizontal air handlers, and one smart thermostat. All refrigeration line-sets must be entirely replaced with new copper lines, brazed without compression fittings. The Primary Contractor must hold all required mechanic licenses and perform a minimum of 51% of labor. Work must commence within 10 calendar days of notice to proceed and be completed within 60 calendar days. A full-time superintendent must be on site at all times. Project magnitude is between $100,000 and $250,000. Construction wage rates and prevailing wage determinations apply per wage determination for Monmouth County, New Jersey. Evaluation is Pass/Fail on technical approach and past performance, with price as a discriminator. Proposals require two volumes: Volume 1 (technical approach and past performance, maximum 10 pages, including up to five prior projects from the past five years and up to three references from the last three years); Volume 2 (detailed price schedule). Offerors must be registered in SAM with current representations and certifications in NAICS 238220 prior to submission. Proposals valid for minimum 60 days. Performance and payment bonds required within 10 calendar days of award. Questions due July 21. Amendment 0001 (July 22) clarified that a superintendent may serve dual roles (supervisor and quality control). Amendment 0002 (July 27) clarified that Manual J calculations are due post-award, that high-grade steel boiler substitutes are acceptable if certified dual-fuel capable, and that different-brand condensers are acceptable if system compatibility is confirmed. Contracting Officer: Mary Hallmon (mary_hallmon@ios.doi.gov, 850-826-1398).