Reconstruction and modernization of existing railway line and construction of the second track railway Belgrade-Nis, Stalac - Djunis Section. Lot 2

of the of the line is 17.77km of a double-track railway and will be consisted (but not limited to) of the following main activities: - Preparation of design documentation in accordance with the Serbian regulations - Reconstruction of the exiting railway track and construction of the second railway

track for a maximum designed speed of 160km/h. - Construction of the tunnels 1, 2, 3 and 5 using the NATM design and construction method. - Construction of the Emergency Exit shafts for tunnel number 1 with two exist points on each side of