The Department of the Interior, through the National Park Service, is seeking quotations for the delivery of propane to Mount Rushmore National Monument and Badlands National Park under an Indefinite Delivery Vehicle (IDV) contract. The procurement involves a firm-fixed price contract with five ordering periods, requiring deliveries of 9,000 to 11,000 gallons per load, utilizing three 30,000-gallon tanks, and ensuring compliance with specified delivery protocols. This propane supply is crucial for heating and emergency generators at the parks, with a total estimated contract value of $800,000, running from December 16, 2024, to December 15, 2029. Interested vendors must acknowledge the solicitation amendment and submit their proposals by the extended deadline of November 27, 2024, with inquiries directed to Joseph Kirk at joseph_kirk@nps.gov or by phone at 605-574-0510.