Switzerland

Ceneri Base Tunnel: North Drive in Vigana

At the end of December 2011, as foreseen 670 m of the 15.4 km long Ceneri Base Tunnel had been excavated by drill+blast for the north drive started in June 2009 at Vigana (Camorino). At the beginning of 2012 work began on the inner lining of this tunnel section. The tricky undercutting of the A2 motorway is numbered among the preliminary operations undertaken in this sphere.
As from 2012 only the drives from the Sigirino intermediate point of attack are to be tackled. At the beginning of 2012, 16.8 km (42.4 %) of the roughly 40 km of tunnels had been excavated. The inner lining is being...

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Switzerland

Ceneri Base Tunnel: Drive towards the South completed

On March 30, 2015, the tunnellers broke through the final few metres of the Ceneri Base Tunnel’s east bore between Sigirino and Vezia. Some two weeks after the first breakthrough in the west bore on...

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Switzerland

Ceneri Base Tunnel: Operational opening delayed to December 2020

The legal dispute concerning the award of the railway systems for the Ceneri Base Tunnel has consequences. An intensive review by the constructor, AlpTransit Gotthard Ltd (ATG), has concluded in...

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Switzerland

Ceneri Base Tunnel: Operational opening delayed to December 2020

The legal dispute concerning the award of the railway systems for the Ceneri Base Tunnel has consequences. An intensive review by the constructor, AlpTransit Gotthard Ltd (ATG), has concluded in...

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Switzerland

Breakthroughs in both Ceneri Base Tunnel Tubes

The main breakthrough took place in the western bore of the Ceneri Base Tunnel on January 21, 2016. Shortly after this final round of blasting the tunnellers were able to exchange handshakes. The...

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Switzerland

Ceneri Base Tunnel – Installation of Railway Equipment has begun

At the north portal of the Ceneri Base Tunnel, installation of railway equipment in the east bore started in summer 2017. The 15.4 km long base tunnel between Camorino and Vezia will be equipped in...

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