Maca-rehab entrance signs/parking areas

The Department of the Interior National Park Service Southeast Region seeks replacement of entrance and parking signs and rehabilitation of associated parking facilities at Mammoth Cave National Park across three locations (Cedar Sink, Chaumont, and Green River Road North), with proposals due July 24, 2026. The procurement is a total small business set-aside on a firm fixed-price basis.

Place of performance is Mammoth Cave National Park, Mammoth Cave, Kentucky. The work spans six contract line items covering sign renovation and parking lot construction and repair across the three park locations, with a period of performance from September 1, 2026, to July 30, 2027, and an anticipated construction timeline of approximately 180 days from notice to proceed. The NAICS code is 237310, Highway, Street, and Bridge Construction; PSC codes are Z2LZ (Repair or Alteration of Parking Facilities) and Y1LZ (Construction of Parking Facilities).

Scope includes material procurement, labor, equipment, supervision, site cleanup, and all incidentals for monument sign renovations featuring precast concrete caps, reinforced concrete masonry unit walls with natural stone cladding, Corten steel cross bars, and aluminum sign panels, along with parking lot improvements including asphalt pavement, concrete sidewalks, curbing, drainage infrastructure, and landscape restoration. Work hours are restricted to 7:30 a.m. to 4:00 p.m., Monday through Friday, without interruption to facility operations.

Prevailing wage rates apply under General Decision KY20260068 (Edmonson County), with rates ranging from $16.29 to $41.55 per hour depending on classification. A mandatory first site visit occurred June 16, 2026; a second site visit was held July 14, 2026. Offerors must submit a completed SF-1442, technical proposal (maximum 20 pages), three past performance references completed within five years, capabilities statement, subcontractor information, and detailed cost proposal with overhead and profit breakdown via email to marilia_mateo@ios.doi.gov. A 20% bid bond is required; the contractor must furnish 100% performance and payment bonds. Insurance requirements include $1,000,000 workers' compensation, $500,000 general liability per person/$1,000,000 per occurrence, and $2,000,000 property damage.