DK - shadehill gatehouse roofing

The Bureau of Reclamation seeks removal and replacement of the flat roof system at Shadehill Gatehouse near Lemmon, South Dakota, with sealed bids due July 24, 2026, at 12:00 p.m. Mountain Time. This is a total small business set-aside procurement under FAR Part 13 simplified acquisition.

Place of performance is the Shadehill Dam Gatehouse facility near Lemmon, South Dakota. The scope requires complete removal of the existing flat roof down to the concrete deck and installation of a new EPDM membrane roofing system with vapor barrier, polyisocyanurate insulation, cover board, flashing, and galvanized counterflashing. The contractor must provide engineered PE-stamped wind uplift calculations, a 30-year manufacturer's warranty, and a 2-year contractor workmanship warranty. An optional task for asbestos removal and disposal is also available. Performance runs from July 31, 2026, through November 30, 2026 (122 calendar days total, with 10 days to begin work). This is a firm fixed-price contract with pricing broken into three line items plus the optional asbestos CLIN on a lump sum basis.

The NAICS code is 238160 (Roofing Contractors) with a $19 million small business size standard. Evaluation is conducted without discussions on a best-value basis using three factors: Work Plan & Schedule (most important), Past Performance, and Price (approximately equal combined weight for non-price factors versus price). Prevailing wage requirements apply per Davis-Bacon Act. Payment and performance bonds, liability insurance ($500,000 general liability minimum, $100,000 workers' compensation, $200,000–$500,000 property coverage), and electronic fund transfer are required. All work must comply with federal safety standards, Buy American construction materials requirements, and security clearance requirements for facility access. A mandatory pre-bid site visit occurs July 15, 2026. Mitchell Frost (mitchell_frost@ios.doi.gov) is the Contracting Officer.