Z--Trail Replacement

The National Park Service is seeking bids for a firm-fixed-price construction project to replace roughly 1,500 linear feet of boardwalks and staircases at Indiana Dunes National Park. The work includes the full demolition of current structures and the installation of new modular systems, specifically Wickcraft or an approved equivalent, using galvanized steel frames and Trex Transcend composite decking. This project is a total small business set-aside with an estimated construction value between $1,000,000 and $3,000,000. Contractors must manage specific logistical and environmental requirements, such as hauling backfill sand from Mount Baldy—about 18.7 miles away—and following strict seasonal work windows. On-site construction cannot begin until after Labor Day, September 7, 2026, and tree cutting is limited to the period between October 1 and March 31. The performance period is 270 days from the Notice to Proceed. The solicitation package includes 16 technical drawings, revised specifications, and a formal bid schedule. Amendment 0001, which requires acknowledgment, adds technical clarifications from a Q&A session and a specifications addendum. Bids are due June 16, 2026, and must cover the base bid plus one option for an additional boardwalk route. The National Park Service is soliciting bids to replace approximately 1,500 linear feet of boardwalks and staircases at Indiana Dunes National Park. This firm-fixed-price project involves demolishing existing structures and installing new modular systems. It is a small business set-aside with an estimated value between $1M and $3M. The project involves replacing approximately 1,500 linear feet of boardwalks and staircases at the West Beach Dune Succession Trail. Existing wooden structures, including 43 staircases, will…