1
A quarter of the total number of tunnels planned for the work were excavated. Of these, more than 15 km are part of the base tunnel for the passage of freight and passenger trains.
2
Avrieux | Completed the drilling of three of the four ventilation shafts, 500 metres deep, which are essential for bringing in fresh and clean air from outside by exchanging it with the hot air in the base tunnel. Also at work is the remotely controlled robot, designed and built to reinforce with concrete some of the cavities that opened up at a depth of about 350 metres on the shaft profile during the excavation phase.
// Group of companies composed of VINCI Construction Grands Projets, Dodin Campenon Bernard, Campenon Bernard Centre Est, Webuild, and Master Drilling Europe.
3
Chiomonte | The group of companies has ordered from Herrenknecht, the European leader in the TBM sector, the first of two TBMs for the excavation of the Italian section of the base tunnel. In the meantime, core drilling for environmental investigations in the construction site has begun.
// UXT Group of companies composed of Itinera, Ghella, Spie Batignolles.
Above ground, the deck of the Turin-bound branch of the new motorway junction was completed, which will allow work vehicles to reach the site directly from the motorway.
// Delegated contractor: Sitaf.
4
Saint-Martin-la-Porte | The first of five TBMs to operate on the French side was transported and installed in the tunnel. At the same time, conveyor belts were installed for the logistics of the excavated materials, and finally, on the La Praz construction site, the excavation of the interconnecting tunnel between the existing shaft and the technical cavern was completed.
// LYTO group of companies composed of VINCI Construction Grands Projets, Dodin Campenon Bernard, VINCI Construction France TP Lyon, and WeBuild.
5
San Didero / Bruzolo | Completed the service area and the two access ramps from the A32 Turin-Bardonecchia motorway of the new truck and car terminal serving heavy vehicles in transit to and from the French border.
// Delegated contractor: Sitaf.
6
Villarodin-Bourget | In the area where the access tunnel is located, the system of tunnels has been completed, with caverns ranging from 60m² to 420m², necessary to house two TBMs for the excavation of the base tunnel in the direction of Italy and the underground safety site at Modane.
// Group of companies composed of VINCI Construction Grands Projets, Dodin Campenon Bernard, Campenon Bernard Centre Est, Webuild, and Master Drilling Europe.
7
Modane and Fourneaux | The new bypass has been built to allow construction vehicles to move around without impacting traffic on the ordinary roads of the two municipalities.
8
Salbertrand | Completed the removal of all materials abandoned by various parties over the last thirty years; started activities to connect the area designated to host the site for the reuse of excavated materials from the Lyon-Turin project to the A32 highway.
9
Saint-Julien-Montdenis | The traditional excavation of the two tunnels of the base tunnel has exceeded 1,300 metres per pipe and the first 6 by-passes have been constructed, which will guarantee pedestrian passage between the two tubes in case of emergency or maintenance
// Lyon-Torino CO08 Group of companies composed of Implenia Suisse, Implenia France, NGE, Itinera, and Rizzani De Eccher.
10
Susa | Land acquisition activities started in the area affected by the works for the future international station and interconnection with the historic line.
11
Saint-Jean-de-Maurienne | New railway viaduct over the Arvan River launched as part of the work on the railway interconnection with the historic line.
// Delegated contractor: SNCF Réseau.
12
Maurienne Valley | The activities of the excavation material management and reuse construction site on the French side have started. It operates on seven sites on the territory and will manage the reuse in the works of more than 50% of the materials extracted during excavations.
// GEME Lyon-Turin group of companies composed of Eurovia Alpes, Carrières du Bassin Rhônalpin Satm, Granulats Vicat, Spie Batignolles Valerian, Spie Batignolles Malet, Terélian, and Gie Gmm 73.
