Z--MACA - REHAB CAVE TRAILS

This contract involves the rehabilitation of cave trails at Mammoth Cave National Park, specifically focusing on reconstructing trail surfaces in the Ruins of Karnak, River Hall, and Rafinesque Hall Cave trail. It is a firm-fixed price construction contract fully set aside for small businesses under NAICS code 238990, covering specialty trade contractors. The period of performance is 150 days from the Notice to Proceed. The solicitation was originally due May 15, 2026, but Amendment 2 has extended the proposal due date to May 21, 2026, at 5 pm EDT. This amendment also includes the posting of Q&A and additional electrical drawings (drawings 70 through 77). All proposals must be submitted electronically to the designated email address, with no hard copies accepted. A site visit was scheduled for April 29, 2026, at the Visitor Center of Mammoth Cave National Park, and interested bidders were instructed to notify the contracting officer in advance via email. Questions about the solicitation are to be submitted by May 6, 2026, at noon EDT, and responses will be provided through an official amendment. The contracting office is part of the Department of the Interior, with the primary point of contact being Ashley Warcewicz. Phone inquiries are not accepted, ensuring all communications are documented via email.