Shaft work in the Gotthard base tunnel

To carry out excavation work in Sedrun I shaft of the Gotthard Base Tunnel Deilmann-Haniel has been commissioned to plan, design and install the temporary and permanent facilities.

The Gotthard Base Tunnel (GBT) in Switzerland is a railway tunnel under construction since 1999. With a length of 57 km, the world's longest railway tunnel should become operational at the end of 2016.

The 800 m long shaft, which serves as the inspection shaft, is located in the Sedrun section and can only be reached by a 1 km long access tunnel.