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06/04/2021  nav  Kerenzerberg tunnel construction site
TBM ready at portal Gäsi for transfer into the launching tunnel and going inside the tunnel from the cutterhead side.
26/01/2021  nav  N2 MELIDE-GRANCIA TUNNEL
Preparatory work has begun for the extraordinary maintenance work on the load-bearing structure and the reconstruction of the hard-shoulders of the Melide-Grancia tunnel on the Lugano Sud - Mendrisio motorway.
11/01/2021  nav  Kerenzerberg tunnel construction site
The assembly and testing of the tunnel boring machine (TBM) in the workshop has been completed. From now on and over the next months the machine will be transported and re-assembled on site. Excavation is scheduled to start in June 2021.


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