Unit 4 Cell 5 Liner Construction Twin Chimneys Landfill

The County of Greenville seeks a qualified contractor to design and construct an 8.6‑acre base liner system at the Twin Chimneys Landfill. The scope includes placement of a 1×10‑5 cm/sec clay blanket, geomembrane clay liner (GCL), 60‑mil HDPE liner, geocomposite drainage, protective cover, and installation of leachate collection piping, as well as providing construction quality control (CQC) and surveying services. A non‑mandatory pre‑proposal meeting is scheduled for early August, and all bids must be submitted by late August. This project offers a focused, short‑term construction effort that requires expertise in geotechnical and environmental liner installations. • 8.6 acre landfill liner system (clay, GCL, HDPE, geocomposite, cover, leachate pipes) • Contractor responsible for CQC, surveying, and on‑site coordination • Non‑mandatory pre‑proposal meeting on Aug 5, 2026; bid deadline Aug 21, 2026 • Location: 11075 Augusta Road, Honea Path, SC 29654