The U.S. Army Corps of Engineers, St. Paul District, is seeking a contractor to install a prefabricated, four-room, ADA-accessible restroom and shower building with a minimum 10,000-gallon septic holding tank at Blackhawk Park Upper Campground near De Soto, Wisconsin. The project budget is under $350,000, and the resulting contract will be a firm fixed-price award set aside 100% for small businesses. The solicitation will be issued via SAM.gov, and all work requires the contractor to provide equipment, labor, and materials. Offerors must be registered in SAM prior to award. This is a pre-solicitation notice for information and planning purposes only.