Wienerwald Tunnel awarded

The Wienerwald, or Vienna Woods, Rail Tunnel has been awarded to a consortium of Porr Tunnelbau GmBH/Bilfinger Berger NL Tunnelbau/Bilfinger Berger Bau GesmbH/ Porr Technobau und Umwelt AG.

Four contractor groups submitted bids for the 13.3km tunnel that varies between a double track tunnel and two single track tunnels. NATM will be used for part of the scheme and two 10.6m diameter Herrenknecht TBMs are being mobilised for the single track tubes with launch scheduled for summer 2005.