Implenia and joint venture partner Webuild Group (Webuild and csc costruzioni) have been selected by Galleria di Base del Brennero - Brenner Basistunnel BBT SE (BBT) to build lot H41 of the Austrian side of the Brenner Base Tunnel. Each partner has a 50% stake in the joint venture. The contract for lot H41 Sillschlucht-Pfons is worth a total of around CHF 690 million (EUR 651 million). The contract has already come into legal effect. Implenia Austria is in charge of the technical lead of the project. Directly and indirectly, the project will create around 400 new jobs in the region. Lot H41 Sillschlucht-Pfons consists the construction of the main tunnels in direction north to Innsbruck and direction south to Pfons, starting from the access-tunnel Ahrental. About 5.7 km are excavated with drill and blast method and 16.4 km as TBM-drive. Additionally, the inner lining has to be built for the main tunnels as well as for the Innsbruck emergency stop and the exploratory tunnel. The work commissioned by BBT is scheduled to last approximately 80 months.