Jeff Replace Cooling Tower & Boilers

The National Park Service, Midwest Regional Office is requesting sealed bids for cooling tower and boiler replacement at Gateway Arch National Park in St. Louis, Missouri under IFB Sol_140P6026B0003, with bids due July 24, 2026 at 9:00 a.m. Central Time. This is a Total Small Business Set-Aside restricted to firms meeting the NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors) small business size standard of $19 million.

The scope spans two locations. At the grounds building, work includes installation of one new boiler providing heat to both reheat and radiant floor systems, with an integrated heat exchanger to lower water temperature for the radiant in-floor system. At the Arch complex, work includes replacement of the existing cooling tower with a new 800-ton counterflow cooling tower and installation of new condenser water pumps. The solicitation structures work as three contract line items: CLIN 10 for Cooling Tower Replacement, CLIN 20 for Boiler Replacement, and CLIN 30 for optional VAV Replacement, all as lump-sum bids.

The estimated project magnitude is between $1 million and $5 million. The contract performance period is 365 calendar days from Notice to Proceed, with work scheduled to commence on or before October 1, 2026 and completion by October 1, 2027. This is a firm-fixed-price contract.

Bidders must be registered in SAM with active status and a current UEI at bid submission, award, and throughout performance. A bid guarantee of 20 percent (not to exceed $3 million) on Standard Form 24 is required, along with 100 percent performance and payment bonds. The contractor must comply with prevailing wage, Buy American construction materials, and federal labor standards clauses. A site visit is highly encouraged but not mandatory. Bids will open virtually via conference call (202-640-1187, Passcode: 642 878 974#). Funds are not presently available but are expected to become available; the Government reserves the right to cancel the solicitation before or after closing with no obligation to reimburse bidders for costs incurred.