BL148-26, Tribble Mill Dam No. 2 (Chandler Lake) Rehabilitation

The Gwinnett County Board of Commissioners (Owner) is requesting Bids for the construction of the following Project pursuant to O.C.G.A. §36-91-20: Tribble Mill Dam No. 2 (Chandler Lake) Rehabilitation, F-0234-49.

This Project includes the following Work: Rehabilitation of a low-hazard (Category II) dam in Tribble Mill Park.

Rehabilitation of a low-hazard (Category II) dam in Tribble Mill Park including:

• installing and maintaining erosion control measures, temporary access roads, and temporary pedestrian access measures;
• draining the lake, constructing a cofferdam, and installing and maintaining a water diversion system;
• demolition of the existing concrete riser, concrete impact basin, and portions of the spillway pipe and internal drain system adjacent to the riser and impact basin;
• constructing a new concrete riser, concrete impact basin, rip-rap outlet channel, and portions of the spillway pipe and internal drain system adjacent to the riser and impact basin;
• installing a cured-in-place pipe lining within the spillway pipe;
• removing trees (including root balls) from portions of the dam and auxiliary spillway, performing surface repairs and minor grading, and establishing grass cover; and
• removing all temporary facilities and restoring the site including erosion control measures, temporary access roads, temporary pedestrian access measures, and coffer dam.

**Sealed Bids** must be delivered to Owner as specified in Section 00 21 13 *Instructions to Bidders* no later than **2:50 P.M. on December 9, 2026**, to be accepted. The bid opening will be virtual ONLY.

The Project is to be substantially complete and ready for operation within 365 days after the date when the Contract Times commence to run as provided in the General Conditions. The Project is to be complete and eligible for final payment 30 days after the date for Substantial Completion.

Drawings and Specifications must be obtained digitally from Hazen and Sawyer via QuestCDN (https://www.questcdn.com/) for a non-refundable fee of **$22** made online to QuestCDN. All Bidders are **required** to purchase a set of Bidding Documents. Only complete sets will be issued.

A **mandatory** pre-bid conference is scheduled, followed by an optional tour of the project Site. Bids are legal and binding upon the bidder when submitted.