Specifications include, but are not limited to: Work under this contract shall consist of removing one (1) concrete manhole, approximately 15 LF of 60-inch Brick storm sewer pipe, approximately 23 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 rises, 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 three (3) alternatives; alternate one (1) is for a poured-in place sloped concrete floor in the grit chamber, alternate two (2) is for lining the existing 60-inch CMP pipe from the new diversion structure to the outfall, alternate three (3) is for replacing the existing 60-inch CMP pipe with 60-inch Reinforced Concrete Pipe (RCP). 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.
