Project include realization of a revised alignment, in rail line Genova Sampierdarena - French border, from km 0+730 to km 1+355. Is also planned existing bridge demolition and realization of a new bridge on Polcevera torrent, and its connected works. Concerning modernization works, R.F.I. has requested replacing existing decks on Bivio Cornigliano- Sampierdarena Smistamentorail line, from progressiv 0+159 to 0+179 km, in Genova. Rail line pass over roundabout in Largo Jursè Street, Degala street corner. Design included two new steel decks, consolidation of foundation and elevation structures and lateral enlargement of abutment and piles (downstream side). SGAI S.r.l. did track variant design (even and odd rail), executive design of new Polcevera bridge and Largo Jursè bridge. Also did design of minor works as box-shaped structures, walls, bulkheads, and other related works; hydraulic rail platform design, hydraulic protection design (inside ad ouside riverbed).