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Portrait

Our main emphasis is the mechanical tunnel driving - a domain, in which we do not only dispose of a long experience and great professional know-how, but furthermore we can count on most modern technical equipment.

Our methods of excavation by driving:

Open TBM (tunnel boring machine) driving and placing of the bottom with precast concrete components
Special driving using shield TBM and placing of tubbing segments (hydro and muddy soil pressure balanced shield)
Driving using road header excavators (TSM)
Driving using pipe screen or jetting machines
Conventional driving using drilling jumbos (drilling and blasting)
Special drivings (construction by sections, shaft sinking etc.)

In our central location of Klus near Balsthal with railway connexion, we produce precast tubbing segments for tunnelling and deep mining constructions.

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