Semmering Basistunnel Los 1.1
The Austrian Federal Railways has commissioned Implenia, as part of a Joint Venture with HOCHTIEF and Thyssen, to build the approximately 7.4 km long initial Lot 1.1 section. The initial section of the SBT, which is made up of two single-track tunnel tubes, starts from the portal in Gloggnitz and is being driven in the excavator and drill & blast method (length approx. 4.6 […]