Invitation to qualify for tunnel construction work on Italian railway system, indefinite duration. Further information and documentation from Raffaele Iacomino at RFI in Milan, tel +39 02637148-19, fax -20, e-mail dns-gs@rfi.it to whom requests to participate or candidatures should be sent. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=079040-2010. 11/10.