Construction of L200 Bregenzer Forest Road including 3340 m NATM tunnelling with combined drill&blast/roadheader excavation, cross section: 124-150m² as well as cconstruction of cross tunnels to escape tunnel.

Geotechnical consulting in cooperation with IFB Eigenschenk GmbH, Deggendorf.

Geotechnical documentation (mapping), sampling, rock mechanical investigations, reporting.

Customer: Achraintunnel Joint Venture (Beton- und Monierbau GmbH, Jäger Bau AG, Alpine-Mayreder Bau AG).