Description
This RFP seeks a qualified small‑business contractor to replace and expand the Sand Cave Trail and boardwalk at Mammoth Cave National Park. The work includes selective demolition of existing boardwalk and related structures, construction of a new at‑grade concrete trail, a composite‑decked boardwalk, curb ramps and sidewalks to meet ADA requirements, a metal stair system, footbridges, and optional secondary trail improvements. The contractor must handle site grading, erosion control, utility coordination, obtain all required permits, provide independent testing/inspection, and comply with NPS archaeological and environmental safeguards. The contract is firm‑fixed‑price, set‑aside for small businesses, with a 180‑day performance window (Aug 31 2026 – Mar 1 2027).
• Demolition of existing boardwalk, curb, signage, and related structures.
• New concrete trail, composite boardwalk, metal stair system, curb ramp, and optional secondary trail (timber steps, aggregate trail).
• Full compliance with ADA, OSHA, NPS archaeological protection, KPDES storm‑water permit, and independent third‑party testing.
• Required experience: two similar park‑or‑trail projects in the past five years; all work must be completed within 180 calendar days.