By rosebell
TBM Viviana that is the first TBM commissioned for the Lyon-Turin railway was launched on 17 September.
Construction of the 9km north tube between Saint-Martin-la-Porte and La Praz will be up to this machine that is one of seven TBMs that are due to be deployed on the Mont Cenis base tunnel.
Responsibility of operating this Herrenknecht TBM with 10.4m diameter and 180m length, will be by CO 6/7, the Italian-French consortium comprising Vinci Construction, Webuild, Dodin Campenon Bernard and Campenon Bernard Centre Est and 44.2km of excavation had been completed for the 164km-long railway line as of August.
Expanding over a stretch of 65km between Susa in Piedmont and Saint-Jean-de-Maurienne in Savoy, the cross-border section of the Lyon-Turin freight and passenger railway line’s main feature is the 57.5km-long Mont Cenis base tunnel, 12.5km in Italy and 45km in France, linking the international stations of Saint-Jean-de-Maurienne and Susa.
