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  15 m EPB project for highway tunnel in Sicily - Direct On Site Integration helps meet the challenges

  ANAS, the Italian National Company for Roads and Motorways, has initiated major road works in Sicily in order to expand the traffic capacity between the main regions and cities of the island. The city of Caltanissetta, in the centre of Sicily, is a strategic connection point between the East-West corridor and the South West part of the island. The programmed motorway works include the construction of a 3.9 km twin-tube tunnel in the vicinity of Caltanissetta. Each tube will have an internal diameter of 13.45 m requiring an excavation diameter of 15.08 m. The Empedocle 2 consortium led by CMC di Ravenna and including Tecnis executes the works. NFM Technologies will deliver the TBM that will bore both tubes, making it the largest EPB ever built in France and the 4th in size worldwide. It will be delivered using the NFM “Direct On Site Integration” process, which allows achieving a short lead time of 12 months ready-to-bore after contract award

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