Salini Locatelli has been awarded a contract to construct the new subterranean road axis from Viale De Gasperi to Via Gattamelata in Milan. It is a 1,050 m-long twin tube tunnel, to be built in cut-and-cover between diaphragm walls, that will carry two lanes and an emergency lane in each direction. The cross section is around 140 sq m. Other underground structures include a ventilation duct above the rectangular box of the tunnel. Geology will consist of alluvial deposits (gravels, sands and silty sands). The project is currently in executive design. Work has not started yet. Utility relocation is under way. Three drives will be opened, using three Cat excavators. Mucking-out by means of 15 Mercedes trucks. The overall contract, including safety, outside road works and landscaping) is worth EUR84 million. Visit www.salinilocatelli.it or www.impresalocatelli.it and www.cat.com 47/06.