Project Value: $63M

The East Boston Branch Sewer Relief contract involved the installation of 2.5 miles of new sewer interceptor primarily using micro-tunneling methods to reduce conflicts with heavily congested utilities and high traffic volumes along the East Boston streets. The project included construction of 12 receiving shafts, 12 jacking shafts, and the rehabilitation by cured-in-place pipe lining. Also included was the installation of regulators with underflow baffles, a tide gate and structure, large junction chamber, the rehabilitation, modification and installation of manholes and catch basins, and relocation of local sewers and water mains.