The National Park Service is conducting a market survey for a potential project to replace two commercial backflow preventers and install heated enclosures at Fort Smith National Historic Site. The work is anticipated to begin in Summer 2026, with an estimated construction magnitude between $100,000 and $250,000. This survey seeks to determine the interest and capability of contractors, particularly small businesses registered under NAICS code 237110. Responding to this survey is voluntary and does not constitute a bid submission. This is not a request for quote and does not guarantee a future solicitation.