Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Herrenknecht breakthrough at Buettenberg

10/12/2009
Herrenknecht breakthrough at BuettenbergOn 20.11.2009 the 2,500 t Herrenknecht TBM broke through on the first tube of the 1,230 m A5 Buettenberg tunnel on Biel bypass. It will now be moved to Langhoelz portal for excavation of the second tube. For more about this project visit tunnelbuilder archive ch/56 and http://www.a5-biel-bienne.ch. 49/09. Breakthrough at Buettenberg tunnel on the A5



NEED QUALIFIED PERSONNEL?

Active Tenders

20.05.2024 Finland

24.05.2024 Switzerland

31.05.2024 Switzerland

31.05.2024 Switzerland

07.06.2024 Canada

11.06.2024 Czech Republic

02.07.2024 Switzerland

15.12.2024 Austria