CSO 522 Gate Structure (10289010)

The City of Cincinnati Department of Sewers is soliciting bids for the CSO 522 Gate Structure project, identified as Project No. 10289010. The objective of this project is to implement Dynamic Underflow Control by constructing a concrete gate structure equipped with an electric motor-operated gate and telemetry. This installation is designed to increase flow to the Werk and Westbourne EHRT and reduce underflow to the Muddy Creek Interceptor. The estimated construction cost is 546,000 dollars, and the scope is divided into general construction and electrical, instrumentation, and controls. Bids must be submitted electronically via the City's Vendor Self Service portal by September 24, 2026, at 12:00 PM ET. The contract will be awarded to the lowest and best bidder, with evaluation factors including work history, financial ability, and compliance with Small Business Enterprise goals. Required submissions include an official bid form, a detailed unit price sheet, a bidder's affidavit, and a contractor's qualification statement. The project requires adherence to Ohio Department of Transportation and MSD standard specifications, as well as Ohio Heavy and Highway prevailing wage standards. Key contractual requirements include the provision of a bid guaranty and subsequent performance and payment bonds from a surety with an A.M. Best rating of A- or better. Contractors must name a competent person for site safety and comply with OSHA regulations. Substantial completion is defined as the point where the system is fully operational and performing as designed, with final completion occurring after all punch list items and site restoration are finished. Payment is processed through the City of Cincinnati using Form 37, contingent upon the submission of required affidavits and subcontractor waivers.