Kelag AG - Innovative Gesamtbauwerk-Lösungen

Steel construction / Steel construction for hydraulic engineering

Successor for tunnel drills
Successor for tunnel drills for the Gotthard Basic Tunnel (Alptransit manufacture and installation of 2 successors for tunnel drills). These drills are used for the creation of the Gotthard Basic Tunnel in Amsteg (world's largest railroad tunnel [57km]). The total weight of the steel structure is approx. 260 tons.