Tunnelling,
Topics and projects
Second tube Gotthard Tunnel: first tunnel boring machine "Carla" at target
day, achieved in rather soft gneiss. Tunneling is teamwork "It's great that we were able to excavate the northern access tunnel on schedule and, above all, without any significant accidents," says Jacopo Cheda, Senior Construction Manager North at FEDRO. Xavier von Mandach, Implenia's site manager in charge[...]