Glacier national park - generator purchase

The National Park Service Intermountain Region seeks purchase of a skid-mounted, indoor, prime-rated liquid propane engine-generator set and one associated manual transfer switch for Glacier National Park's Goat Haunt facility, with proposals due September 15 at 9:00 a.m. Mountain Time. Questions are due August 31 at 12:00 p.m. Mountain Time. No set-aside applies; this procurement is full and open competition.

Place of performance is West Glacier, Montana. The generator must be approximately 18 kW class, rated at 120/240V single-phase 60 Hz, water-cooled with copper-wound alternator, Class H insulation, brushless excitation, and 1% voltage regulation. Operation on propane vapor fuel at 7–11 inches water column is required; prime-rated output at approximately 4,215 feet elevation must be a minimum of 15 kW and not exceed 25 kW. Physical constraints include a 35-inch by 84-inch concrete pad and 60-inch by 83-inch door opening, with maximum wet weight of 2,500 pounds. The existing generator is a Kohler Model 18RY (Spec GM28727-GA1). Required delivery date is November 16, 2026. The manufacturer or authorized supplier must maintain an established service organization within 250 miles (straight-line distance) of West Glacier with factory-trained technicians providing 24/7 emergency support and four-hour or less response time for emergency service calls. NAICS code 811310; PSC code 6115. Award will be a firm-fixed price commercial contract made to the responsible offeror providing best value based on price and technical capability, within 10 days of receiving offers. All offerors must be registered in SAM with an active UEI prior to quotation submission. Amendment 0001 extended the due date; Amendment 0002 (issued September 8) provides government responses to 51 questions received.