Client: Société du Grand Paris
Contractor: Vinci Costruction France
Place: Communes de Bagneux, Châtillon et Montrouge (France)
Period: May 2019 - Mars 2020
Excavation and of shafts with different geometries, supported by wire mesh, shotcrete, steel frames and struts. Excavation of connecting tunnels between the shafts and the station box, with primary lining made of steel ribs, electro welded mesh and shotcrete.