CSO 522 Gate Structure (10289010)

The City of Cincinnati is seeking a qualified contractor to design, fabricate, and install a concrete gate structure with an electric‑motor‑operated gate and telemetry for the CSO 522 combined‑sewer overflow control system. The work includes demolition of existing under‑flow components, civil‑structural concrete work, installation of a hydraulic/electro‑hydraulic actuator, integration with existing sewer infrastructure, and full commissioning and testing. The contract value is estimated at $546,000, with a 15 % Small Business Enterprise participation goal and mandatory pre‑bid meetings. • Provide dynamic under‑flow control (DUC) gate and associated mechanical, electrical, and control systems. • Perform all civil work: excavation, concrete placement, reinforcement, back‑fill, and site restoration. • Deliver complete testing, commissioning, and documentation (O&M manuals, warranties, as‑built drawings). • Comply with Ohio prevailing‑wage rules, insurance requirements, and SBE participation goals.