Northern approach for Brennero Base Tunnel: Lot H5; 3970 m tunnel in quarternary soils, 1020 m cut and cover, 2520 m cut and cover (socalled "Deckelbauweise") with compressed air, 430 m NATM tunnelling using compressed air and jetgrout roof.

Geotechnical consulting.

Geotechnical documentations, sampling, reporting.

Customer: ARGE Tunnel Fritzens (STRABAG, Hochtief Construction AG, Ed. Züblin AG).