Open invitation to tender, deadline 20.10.2017, for the completion of Colombo and San Tomaso tunnels and the extension of the Voltri bypass (Polcevera tunnel), included external section near Fegino, part of the infrastructural improvement of Voltri-Brignole railway section. Contract value is EUR73.16 million, excluding VAT. Duration of the contract is 905 days. For further information contact RFI SpA , attn Edgardo Greco, Rome, email rfi-ad-dac.ge@pec.rfi.it. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=313385-2017 and http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=373447-2017. Ref.n. DAC.0224.2017. 40/17.