Construction of the Automatic Subway of Turin, lot n° 4, section Collegno- Principi d’Acaja station and lot n° 5 section Collegno-Torino Porta Nuova. This work is carried out through the excavation of galleries by means of a TBM mill, branded Lovat, model RME306SE, series 20700. a number of interconnected stations such as Bernini – Racconigi – Rivoli – Montergrappa were built, too.