Lausanne M2 metro line, lot 1700

Metro line from Ouchy to Epalinges, via main railway station and Place de l'Europe. Total length 6 km, 14 stations, 9 tunnels and 5 bridge structures.

Lot 1700: "Route de Berne" Tunnel between the Sallaz and Fourmi stations. Sallaz station and cut-and-cover construction. Fourmi underground station including interior construction, access shaft.

Heading with roadheader machine.
Construction methods using pipe umbrella and horizontal jetting to consolidate the excavation profile and stabilise the working face.
Rock secured with steel installation or anchors, plus reinforcement mesh and shotcrete.

Map

Specific figures

Contract value

CHF 36 million

Construction period

March 2004 - April 2007

Length

839 m

Total excavated surface

58 m2

Contact for questions about the project
Implenia Industrial Construction
Telefon: +41 43 233 39 90
E-Mail: Sandra.Guetg@implenia.com

Services

Underground construction
- Transport tunnels (tunnels, underground power plants, shafts)

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