Specifications include, but are not limited to: Work under this contract shall consist of removing approximately 100 LF of 60-inch Corrugated Metal Pipe (CMP), installing; one (1) 6’x8’ concrete diversion structure, one (1) 8’x8’x30’ concrete grit chamber with baffles, 30 LF of 18-inch HDPE pipe, seven (7) precast manholes risers, 55 LF of 60-inch Reinforced Concrete Pipe (RCP), asphalt pavement walking trail, site restoration including reinforced turf, and all incidental items necessary to complete the work as shown on the plans and included in the proposal and contract. Also included are two (2) alternatives; alternate one (1) is for a poured-in place sloped concrete floor in the grit chamber structure, alternate two (2) is for rehabilitation of the existing 60-inch Brick pipe. Award of the alternate is at the discretion of the City of Superior ESD. This project is funded by a grant from the U.S. Environmental Protection Agency.
