Construction and Rehabilitation of Tribble Mill Dam No. 2 (Chandler Lake)

The Gwinnett County Board of Commissioners requests sealed bids for the construction and rehabilitation of Tribble Mill Dam No. 2 (Chandler Lake) in Tribble Mill Park. The scope of work includes draining the lake, installing a cofferdam and water diversion system, demolishing and replacing the concrete riser and impact basin, lining the spillway pipe, removing trees, grading, and restoring the site. Firms currently on the Gwinnett County ineligible source list, debarred, or suspended may not submit bids. All bidders must purchase a complete set of digital bidding documents from Hazen and Sawyer via QuestCDN for a non-refundable fee of $22. A mandatory pre-bid conference will take place at 10:00 A.M. on November 10, 2026, at the Oak Pavilion in Tribble Mill Park, and questions are due to Anna West by 3:00 P.M. local time on November 18, 2026. Sealed bids are due by 2:50 P.M. on December 9, 2026, with substantial completion required within 365 days and final completion 30 days thereafter.