Scope of work
Conversion of the dead-end station at Zaventem Airport, Brussels, into a through station;
connection of the station to the new high-speed railway line from
Brussels to Antwerp by means of approx. 5,600 m of tunnel
Sand with beds of sandstone in the rock area
single-track railway tunnel
Wayss & Freytag Ingenieurbau AG
in a joint venture
October 2007 to February 2012
€ 333 million
Parallel drive with two TBMs with EPB shields for the extension of the Karlsruhe – Basel motorway.
Biggest individual construction project within the scope of the traffic project Deutsche Einheit (German unity) 8.2 New section Erfurt – Leipzig/Halle.
Tunnel construction in a very restricted area requires a multitude of construction methods to carry out the structure with as little interference as possible with the neighbourhood.