Lombardi is happy about the official starting ceremony for the construction of the second tube of the Gotthard Road Tunnel and is proud to contribute together with its partners to this monumental prAfter almost 12 months of work, the Tunnel Boring Machine completed the excavation of the inclined shaft, connecting the area where the Lake Ritom is located and the donwstream area where the powerhouse of the new Ritom hydroelecrtric power plant has been almost completed.