Ceremonial breakthrough in the Sachseln safety tunnel

After a construction time of 15 months, the engineers achieved the tunnel breakthrough of the 5.1-kilometre-long shaft four months earlier than planned. Guests from politics, the client and construction companies watched the ceremonial breakthrough with excitement and great applause. All speakers praised the exemplary collaboration and were delighted that the tunnelling had been accomplished without any incidents or accidents.

Marti Tunnelbau AG

Marti Gruppe
Seedorffeldstrasse 21
3302 Moosseedorf
+41 31 388 75 75