USA
Norris Cut Projekt:
Tunneling at Florida’s Coast
In February 2016 construction company Bessac completed work on the Norris Cut protection tunnel in extremely difficult geology in South Florida. Norris Cut is a shallow inlet between Fisher Island and Virginia Key, just south of the Main Channel to the Port of Miami. In just ten months and using a customized machine designed especially for the mission, a “Herrenknecht Combined Shield” (HCS, diameter 3.13 m), 1613 m were tunnelled adhering to the highest safety standards. A new sewer line was installed in the finished tunnel – after half a century in use the old pipe was simply worn out.
The...
