Tribble Mill Dam No. 2 (Chandler Lake) Rehabilitation

This solicitation seeks a qualified contractor to rehabilitate Tribble Mill Dam No. 2 (Chandler Lake) in Gwinnett County, GA. The work involves draining the lake, constructing a cofferdam, demolishing existing concrete structures, building new concrete riser and impact basin, installing rip‑rap outlet channel, performing pipe lining, and completing full site restoration. The contract will be awarded through a competitive sealed‑bid process and must be completed within one year of contract start. • Drain and divert lake water, construct temporary cofferdam. • Demolish and replace concrete dam components (riser, impact basin, spillway pipe sections). • Install cured‑in‑place pipe lining and rip‑rap outlet. • Perform vegetation removal, grading, erosion control, and final site restoration.