Alpine wins lucrative rail contract May 2009
Kaiser Wilhelm Tunnel alignment
- Alpine construction Group is adding to its extensive tunneling portfolio with the recent award to build two major rail tunnels with a combine contract value of €122 million ($US163.6 million). Deutsche Bahn AG awarded the contract for the Baumleite Tunnel and the New Kaiser Wilhelm Tunnel April 22, 2009.
- The 1,317m Baumleite Tunnel south of Erfurt, runs between Theuern, Truckental and Grümpen. A 40m escape shaft will serve as an emergency exit. The contract is valued at nearly €44 million ($US59 million). Construction is expected to be complete in August 2012.
- The tunnel is part of the new 107km line between Ebensfeld and Erfurt comprising the upgraded Nuremberg-Berlin line. The entire project is expected to be complete in 2017. Beton und Monierbau GmbH (BeMo), a fully-owned subsidiary of ALPINE Bau GmbH, will be responsible for the tunnel construction.
- The company in a joint venture will also build the new single-track Kaiser Wilhelm Tunnel on railroad line 3100 between Koblenz and Perl. The tunnel will be 4,200m long. The new tunnel will be driven with a tunnel drill having a diameter of 10.12 m with single-shell tubbing.
South portal of existing Kaiser Wilhelm Tunnel
- The existing double-track tunnel, built in 1877, will be rehabilitated to meet new safety standards and will connect to the new tube by eight connecting structures each 15m long. Construction of a second tunnel will keep the line open to traffic in the future.
- The joint venture consists of ALPINE Untertagebau GmbH, ALPINE Bau Deutschland AG and FCC Construccion S.A. The contract value is approximately €80 million ($US107 million). Construction is scheduled to be complete in November 2011.