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  Special shaft allows two TBMs cross the paths at Paris metro lines 14 and 15.

    Thanks to a special structure in a 63-metre wide shaft 55 metres below the Gustave Roussy Institute, the tunnel boring machine 'Allison; boring the line 14 South crossed over the future Line 15.  Thanks to this, Allison can continue moving towards the Maison-Blanche station. ...

  Tags: Dodin Campenon Bernard, VINCI Construction, VINCI Construction Grands Projets, VINCI Construction France, Botte Fondations, Spie batignolles génie civil, Spie batignolles fondations

  1612 days ago