Tunnel Sous le Mont, Tavannes
Trunk road tunnel with two-way traffic flow, 1,222 m in length (1,137 m mined), 1 emergency bay. The plant utility channel also serves as an escape gallery.
Machine-assisted heading in hard rock, calotte-driven, construction support measures (pipe roof umbrella and forepoling with spiles).
Map
Specific figures
Order valueCHF 70,78 million
Construction period2007 - 2012
Length1137 m
Total excavated surface115 m2
Contact for questions about the project | |
|---|---|
| Implenia Industrial Construction | |
| Telefon: +41 43 233 39 90 | |
| E-Mail: Sandra.Guetg@implenia.com | |

