Ghella/Avax/Alstom JV wins Section A of Athens Metro Line 4
https://tunnellingjournal.com/ghella-avax-alstom-jv-wins-section-athens-metro-line-4/
With #Herrenknecht Mixshield Tunnel Boring Machine Kathleen, consortium of contractors, John Holland/CPB/Ghella has completed boring the first of two metro railway tunnels up to 40m d...
After Ghella, another Italian company, Salini Impregilo enters the Norwegian market
https://tunnellingjournal.com/salini-impregilo-enters-norwegian-market/
#italy #norway
...t depths between 15 and 110 meters underground. The internal diameter of the tunnel will be 4.5 meters, high enough to fit a giraffe.
https://www.ghella.com/en/media/news/central-int...