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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 value

CHF 70,78 million

Construction period

2007 - 2012

Length

1137 m

Total excavated surface

115 m2

Contact for questions about the project

Implenia Industrial Construction
Telefon: +41 43 233 39 90
E-Mail: Sandra.Guetg@implenia.com