Call for Bids - Project 2018052 CSO Basin 34 (I-90) Stormwater Mitigation/Separation Facility

Description: City of Spokane Engineering Services issued a call for bids for Project 2018052, CSO Basin 34 (I-90) Stormwater Mitigation/Separation Facility. Work includes a diversion structure, stormwater lift station, four Modular Wetland stormwater treatment systems, four type 2 deep drywells, five catch basins, associated stormwater forcemain and piping, pavement, sidewalks and driveways, utility adjustments, and related items. Bids are due by 11:00 a.m. on September 29, 2026, with delivery from 10:00 to 11:00 a.m. and an online public opening at 11:15 a.m.; the notice anticipates partial funding by Washington State Department of Ecology and states that the State is not a party to resulting contracts.