Description
The City of Cincinnati is seeking competitive bids to rehabilitate and replace approximately 1,200 linear feet of aging sanitary sewer infrastructure in the Over‑the‑Rhine area, including trench excavation, removal of existing pipe, installation of new HDPE and concrete conduit, geopolymer lining of existing sections, manhole construction, and extensive site restoration. The contract will be awarded to the lowest responsible bidder and includes strict prevailing‑wage, insurance, bonding, and Small‑Business‑Enterprise (3 %) goals. Key deliverables include video inspections, core sampling for geopolymer strength verification, and compliance with ODOT and City engineering specifications.
• Scope includes demolition, new pipe installation (6″, 18″ HDPE slip‑line, 24″ Type B), concrete masonry, and geopolymer lining for conduits ranging from 54″ to 90″ and associated manholes.
• Contractor must provide a 10 % bid guaranty, a performance bond equal to the contract sum, and retain 4 % labor/8 % material retainage.
• Substantial completion is required within 456 days of the Notice to Proceed, followed by a 90‑day final‑completion period, with liquidated‑damage penalties for delays.