The world’s largest TBM, a 15.62m diameter Herrenknecht EPBM, has been accepted by the contractor JV Vianini Lavori /Toto Costruzioni Generali/Profacta, for use on the construction of the 2.5km long twin bore Sparvo road tunnel on Italy’s A1 highway between Florence and Bologna.
The EPBM is currently at Herrenknecht’s Schwanau factory and will be dismantled over the next few weeks ready for to transfer to site in Italy.
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by the customer. In January 2011, the first individual components will be shipped to Italy enabling final assembly to commence on site in February. The giant TBM will start excavation of the first tube near Florence in a northerly direction in May 2011 with plans for the new route to open by the end of 2013.
Client for the project is Autostrade per l’Italia S.p.A.