HVAC Upgrades, Mammoth Cave National Park

The Department of the Interior National Park Service Southeast Region seeks HVAC upgrades at Mammoth Cave National Park in Mammoth Cave, Kentucky, with proposals due July 8, 2026. This is a Total Small Business set-aside.

Place of performance is Mammoth Cave National Park, Mammoth Cave, Kentucky. The period of performance runs from July 15, 2026, to January 14, 2027 (180 days following issuance of the Notice to Proceed). The NAICS code is 238220, Plumbing, Heating, and Air-Conditioning Contractors; PSC is Z2JZ, Repair Or Alteration Of Miscellaneous Buildings.

The scope encompasses cyclic HVAC upgrades across nine base facility areas: IT/EE Office #1, Ranger Station #1, Training Center #1, SRM #1, Interp/Fees #1, Superintendent's Office #1, Admin #1, FM Office #1, and Maple Springs Quarters. The contract structure includes nine optional line items (CLINs 10–18) for additional facilities. Offerors must submit pricing for all nine base line items and all nine optional line items; proposals omitting required pricing will be rejected. All prices must be rounded to whole dollars, with lump-sum pricing on an "each" unit-of-measure basis.

All permits and licenses specified in the Statement of Work and solicitation must be obtained by the contractor. NATE certification for HVAC technicians is not required. Performance and Payment bonds are required at 100 percent of the contract price, due within 10 calendar days of award.

Written questions are due June 25, 2026, at 1:00 P.M. CDT. A mandatory site visit is scheduled for June 23, 2026, at 10:00 A.M. CDT at the Visitor Center front entrance; contractors must notify the Contracting Officer Representative no later than June 22, 2026, at 1:00 P.M. CDT to attend. Contracting Officer Yanick Bard is located at NPS SER EAST MABO, Atlanta, Georgia; Project Manager/COR Chris Parker can be reached at (270) 975–8526 or christopher_Parker@nps.gov.