YELL - Hot Mix Asphalt

The National Park Service (NPS) Intermountain Region is soliciting proposals for hot mix asphalt production services at Yellowstone National Park, specifically requiring a contractor to provide 6,300 tons of PG58-34 asphalt with a 1% Type 3 lime anti-strip additive. The solicitation is for a firm-fixed price purchase order with two line items: mobile asphalt plant mobilization/demobilization and hot mix asphalt production. Contractors must produce a mix meeting specific gradation requirements with 4% air voids, using material passing through a 3/4 inch sieve. The solicitation is unrestricted and classified under NAICS code 324121 for Asphalt Paving Mixture and Block Manufacturing. Key dates include a deadline for questions on March 5, 2024 at 12:00 PM MT, with quotes due by March 17, 2024 at 2:00 PM MT, and an anticipated award date of June 2, 2025.

The contract will be performed at the Norris Junction Pit, located 22 miles south of Mammoth Hot Springs, Wyoming, with a performance period from August 1 to October 31, 2025. The mobile asphalt plant must be capable of producing 120 tons per hour, with daily production requirements ranging from 100-900 tons. There is a potential quantity variation of +/- 20% (1,260 tons) through contract modification. The NPS will provide transportation, with trucks picking up the mix FOB from the contractor's plant site. The contract includes provisions for equipment cleaning to prevent invasive species, requires a weed management plan, and mandates OSHA safety compliance. Contractors may utilize 2-3 RV sites at $400-500 per month, and the Service Contract Labor Standards will apply to the mobilization line item, with a specific wage determination for Park County, Wyoming included in the solicitation documents.