Description
The Department of the Interior is soliciting a total‑small‑business, firm‑fixed‑price contract to replace deteriorated asphalt at the historic main‑entrance drive of the Carl Sandburg Home National Historic Site in Flat Rock, North Carolina. The contractor will remove existing asphalt and a portion of the concrete base, prepare the sub‑grade, install a 3‑inch base course and a 2‑inch surface course of asphalt, apply tack‑coat, grade for proper drainage, provide required traffic‑control, and conduct site cleanup, all in compliance with FHWA FP‑24 and NCDOT standards while protecting historic structures. The work must be completed within a 60‑day period.
• Remove ~1,300 sq ft of asphalt (≈5 in. depth) and ~100 sq ft of 4‑in. concrete base.
• Install 3‑in. base course and 2‑in. surface course using specified aggregate mixes, with tack‑coat between layers.
• Provide traffic‑control per NCDOT standards, maintain drainage, and protect historic walls/columns.