Construction of the Santa Lucia Tunnel by TBM excavation – Autostrada A1 Milano–Napoli – Stretch Barberino di Mugello – Firenze Nord
Supply of specialized personnel
2016 | 2018
The highway stretch in the section under consideration, with a length of 17.5 km, involves the construction of a new 3-lane carriageway plus an emergency southbound road and the construction of a single 7.7 km tunnel (Lot 2) called 'Santa Lucia' which will serve to allow a one-way flow to the motorway section examined.
The new Santa Lucia tunnel consists of a single archway whose natural excavation starts at the progressive 3+423.00 and ends at the progressive 10+971.00, for an overall development of 7548 meters.
Marly limestone, limestone and marl (76%); sandstone, limestone, foliated marl and argillite (9%); Argillite, marls, silt, marly limestone and limestone (8%); Marl, argillite, siltstone, limestone (7%)