Gwinnett County Bids #BL152-26

Beaver Ruin Diversion Pump Station grinder and slide-gate replacement

Gwinnett County is seeking construction services to upgrade grinders, slide gates, and related systems at the Beaver Ruin Diversion Pump Station in Lawrenceville, Georgia. - Government buyer: Gwinnett County Board of Commissioners, Gwinnett County Department of Water Resources. - Project: Beaver Ruin Diversion Pump Station Grinders Replacements (Project M00748.67). - OEM named: Rodney Hunt is identified as an approved slide-gate manufacturer. - Requested equipment and work: Replace three grinder units with new rail systems, channel modifications, and control panels; replace nine slide gates across influent, effluent, and wet-well locations, including three influent gates with actuators; install electrical conduit and designed routing with MCC configuration; raise the wet-well baffle wall and platform; and relocate and reinstall the existing flushing system. - Operational requirements: Bypass pumping may be needed to maintain facility operations. Peak demand flow is 34.5 MGD, and no more than one shutdown per week is allowed unless the Owner authorizes otherwise. Bypass and construction-sequencing plans are required when needed for review and approval. - Notable scope limits: Temporary grinders are not required for bypass pumping. New concrete coatings and a new lightning-protection system are not included. - Completion schedule: Substantial completion and readiness for operation are required within 450 days after contract times commence; final completion is due 30 days later.

Description

Gwinnett County is soliciting sealed bids for construction work at the Beaver Ruin Diversion Pump Station. The project includes replacing three grinder units and multiple influent, effluent, wet well, and crossover slide gates; modifying channels and controls; raising concrete elevations; relocating the flushing system; and installing electrical conduit. The work is to be substantially complete within 450 days after contract times commence, with final completion 30 days later. Bids are due by 2:50 PM local time on November 20, 2026, and the bid opening is virtual.

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