Supply and Placement of #33C Compacted Stone Subbase

The contract calls for the supply and placement of a 4-inch-thick layer of ASTM C33-compliant #33C crushed stone subbase along the entire 7,920 linear feet of a trail, requiring proper grading and compaction to meet specified engineering standards. The material must adhere strictly to ASTM C33 specifications, ensuring consistent quality, particle size distribution, and durability suitable for trail subbase applications. The scope includes all necessary labor, equipment, and materials to deliver, spread, grade, and compact the stone subbase uniformly across the project alignment, with attention to drainage, stability, and long-term performance. The solicitation is issued as a subcontract under NAICS code 327320, with the Tennessee Department of Environment and Conservation as the overseeing agency, and the work is to be performed in Roan Mountain, Tennessee, zip code 37687. The opportunity was posted on July 22, 2026, with bids due by August 27, 2026, and no set-aside provisions are designated. Interested parties must submit proposals through the Tennessee Central Procurement Office’s official bid portal, and all work must comply with state and federal guidelines for public infrastructure projects, including environmental and safety standards.