Tunnels

Completed in 1981 by Mole Constructors, the I-696 Repair project involved relining approximately 4,000 linear feet of 102-inch tunnel using corrugated, galvanized 92-inch liner plates. The process included filling the…

Completed in 1980 by Mole Constructors, the Newton Interceptor – Contract A project involved excavating approximately 10,000 linear feet of 106-inch tunnel using a 106-inch Lovat Tunnel Boring Machine. The…

Completed in 1980 by Mole Constructors, the Four-Mile Treatment Plant – Contract 2 project encompassed about 3,300 linear feet of tunnel and 4,000 linear feet of open cut. It utilized…

Completed in 1980 by Mole Constructors, the Newton Interceptor – Contract B project entailed a 433 linear foot tunnel with a diameter of 5 feet, employing unsupported drill and blast…

Completed in 1980 by Mole Constructors, the Four-Mile Treatment Plant – Contract 3 project comprised of about 2,000 linear feet of 48-inch pipe installed in a tunnel and 3,000 linear…

Completed in 1978 by Mole Constructors, the Black River Tunnel project entailed roughly 13,000 linear feet of tunnel, utilizing a 102-inch Lovat TBM and a 110-inch Scott Spider. The tunnel,…

Completed in 1985 by Mole Constructors, the Hinckley Hydroelectric project involved excavating rock for the penstock and constructing a cyclopean tunnel. Additionally, excavation work was done through the existing dam.…

Completed in 1978 by Mole Constructors, the Hilliard Boulevard Tunnel project involved constructing a 1,600 linear feet tunnel with a diameter of 74 inches using a 74-inch Scott Tunnel Boring…

Completed in 1985 by Mole Constructors, the Dykes Branch Interceptor project involved placing approximately 4,000 linear feet of cellular annulus backfill around 27-inch Reinforced Concrete Pipe encased in an 86-inch…

Completed in 1977 by Mole Constructors, the Neebing-McIntyre Sanitary Trunk Sewer, Contract 3 project involved constructing approximately 11,000 linear feet of tunnel with a diameter of 7 feet. The tunnel…