Sources Sought Notice EFMO 318539

The National Park Service is conducting a sources sought notice for rehabilitation of the visitor center and parking lot at Effigy Mounds National Monument, Harpers Ferry, Iowa, with responses due by June 3, 2026. The project scope includes foundation improvements, basement and main floor remodeling, selective demolition, hazardous materials removal, new HVAC, electrical, domestic water, fire alarm, and fire suppression systems, new windows and doors, building finishes and roofing, structural modifications, restroom relocation with new fixtures, elevator servicing, and a new entry plaza. Vehicle and pedestrian circulation improvements encompass parking lot drainage, new layout with curb and gutters, sidewalks, asphalt paving, and redesigned parking lot islands with visitor-use areas. Construction magnitude exceeds $10 million, with an anticipated period of performance of 450 calendar days including potential weather shutdowns and seasonal construction restrictions. The government anticipates issuing a competitive Request for Proposals in the first quarter of Fiscal Year 2027 and awarding a single Firm-Fixed-Price contract. Bid, Performance, and Payment Bonds are anticipated to be required. The NAICS code is 236220 (size standard $45 million). Responses are requested from both large and small businesses. Interested contractors must submit completed Sources Sought Survey Questionnaires by June 3, 2026, at 12:00 PM Mountain Time. No reimbursement is provided for response costs. Stormy Gallagher is the contracting officer (stormy_gallagher@nps.gov).