Maca-repair of pedestrian bridge foundat

The Department of the Interior National Park Service Southeast Region seeks cosmetic repair of a pedestrian bridge foundation at Mammoth Cave National Park, Kentucky, with proposals due May 11, 2026. This is a total small business set-aside, firm-fixed-price construction contract awarded on a Lowest Price Technically Acceptable (LPTA) basis.

Place of performance is Mammoth Cave National Park, Kentucky. The scope encompasses surface crack and spall repair on approximately 663 square feet of concrete using epoxy injection and polymer-modified mortar; beneath-bridge substructure repairs with epoxy-coated rebar dowels and 5,000 psi concrete; installation of matching sandstone veneer (approximately 150–200 square feet on the Hotel side) and limestone retaining wall blocks (100–150 square feet on the Visitor Center side); and installation of two custom-fabricated limestone caps at designated pier locations. The contractor must maintain continuous pedestrian access with a minimum 48-inch unobstructed walkway width compliant with ABA/ADA standards and implement full overhead protection including debris containment and daily inspections. Work must commence within 10 calendar days of notice to proceed and be completed within 165 calendar days. All work must comply with ACI, ASTM, OSHA, SMACNA, and NPS historical preservation standards.

The NAICS code is 237310, Highway, Street, and Bridge Construction; PSC code is Z2LB. Quotation evaluation requires demonstrated relevant experience with two completed projects within the past five years involving concrete repair and masonry or veneer installation on structural elements, submission of a site-specific Accident Prevention Plan complying with OSHA requirements, a detailed construction schedule, and confirmation of compliance with all specification requirements. Performance and payment bonds are required within 15 calendar days of award. The contract is subject to prevailing wage requirements under Kentucky General Decision KY20260040 (effective January 2, 2026) and small business subcontracting plan limitations of 85 percent for general construction.