2. Tube of Gotthard Road Tunnel

TBM excavation: 16.9 km using two TMBs Ø 12.26 m

TBM excavation: 2 x 4-5 km excavated up to fault zones (TBM-G Ø 7.06 m / TBM-S Ø 7.30 m)

Excavation in Fault Zones: 120 m2 excavation, yielding support, 2 x approx. 300 m

68 cross passages, of which 10 are trafficable with substations

5 mined control stations with an excavation volume of up to 50,000 m3, lay-bys 90 m

Material logistics for supply and disposal, material processing for concrete aggregates

Production facilities for service line ducts and segmental lining below and above ground

Ancillary and connection works (utility lines, control stations, portals, track and road construction, canteen, accomodation facilities, waste disposal area, and parking)