The National Park Service intends to issue a firm-fixed price contract for replacing a cooling tower and boiler units at the Gateway Arch National Park in St. Louis, Missouri. The project involves installing a new boiler and heat exchanger at the grounds building, and replacing the cooling tower with an 800 T counterflow unit along with new condenser water pumps at the Arch complex. The project magnitude is between $1,000,000 and $5,000,000, and performance is anticipated to begin in Fall 2026. This opportunity is set aside 100% for Total Small Businesses under NAICS code 238220. The performance location is St. Louis, Missouri.

The National Park Service is conducting a market survey for a potential project to replace a cooling tower and install a new boiler at the Gateway Arch National Park. The work, anticipated to begin in Fall 2026, includes installing a new 800-ton cooling tower with condenser water pumps at the Arch complex and a new boiler with a heat exchanger at the grounds building. The estimated construction cost is between $1 million and $5 million. This is a sources sought notice only, not a solicitation for bids. Interested contractors must be registered as a small business under NAICS 238220 in SAM and should submit the required survey via email by the specified deadline.