Z--Sources Sought Notice EFMO 318539
Contract Opportunity Analysis
The National Park Service, through the Denver Service Center Contracting Services Division, is seeking market research for a construction contract to rehabilitate the Visitor Center and parking lot at Effigy Mounds National Monument in Harpers Ferry, Iowa. The work includes foundation improvements, remodeling, hazardous materials removal, new HVAC, electrical and fire systems, new windows and doors, insulation, structural changes, restroom relocation, and a new entry plaza with circulation, parking, drainage, and visitor-use area improvements. The project is expected to be a firm-fixed-price construction effort under NAICS 236220, with bonding anticipated, the park remaining open during an estimated 450-day construction period, and possible winter work and seasonal shutdowns. This is a sources sought notice rather than a current solicitation, and responses to the Sources Sought Survey Questionnaire are due by June 3, 2026, at 12:00 PM MT, with a competitive RFP expected in Q1 FY2027.