SAN-1233EV-RD-SD-CONT3-SHTA.TIF

The file SAN-1233EV-RD-SD-CONT3-SHTA.TIF is a project document involving the Detroit Water and Sewerage Department (DWSD) and the Great Lakes Water Authority (GLWA) for the Walnut Lake No. 2 Conveyance CAP Phase II project in Michigan. The project involves extensive sewer infrastructure modifications, including removing existing 78-inch and 66-inch diameter sewer siphon pipes, constructing temporary bypass conduits, slip lining and grouting existing pipes, and modifying various chambers and sewer connections. Key construction elements include creating new 66-inch and 78-inch diameter sanitary sewer tunnels, constructing new manholes, abandoning existing sewer lines, installing a new 96-inch sluice gate with electrical connections, and completing associated structural, concrete, paving, grading, and landscaping work.

The project appears to be a comprehensive infrastructure upgrade focusing on improving sewer system capacity, reliability, and functionality in the Detroit metropolitan area. While specific funding sources are not detailed in the provided document, the scope suggests significant municipal investment in critical water infrastructure. The work involves complex engineering and construction techniques, including hand mining, tunnel construction, and precise pipe replacement, indicating a sophisticated and technically challenging municipal infrastructure project. The project's location spans multiple roadways, including M-39 Southfield Freeway and M-102 West Eight Mile Road, suggesting a broad geographical scope within the Detroit urban area.