Fort Wayne celebrates ceremonial start to tunnel16 June 2017
USA - The mayor, Tom Henry, and members of the Fort Wayne City Council, along with staff from the Utility Advisory Group, and contractors S.A. Healy Company and Salini Impregilo, among others, attended a ceremony to mark ground breaking for tunnelling on June 15.
The CSO mitigation project includes a 5-mile (8km) main tunnel approximately 160 to 180ft (48.7 to 54.8m) deep in bedrock. There is another a mile of consolidated sewers near the surface connecting to drop shafts that will drop the combined sewage into the main the tunnel. There will also be approximately 2 miles of sewer that will connect to the south end of the tunnel that will be shallower and smaller in diameter.