Rfi qualification system, deadline 30.10.2013, for safety improvement of the Massico railway tunnel (km155+855 - km 161+235) on the Rome-Naples line, with design and construction of technological equipment. Value of contract EUR4.15 million, excluding VAT. Contact Rfi Spa, Rome. Visit http://www.gare.rfi.it/cms/v/index.jsp?vgnextoid=7f561e65436a1410VgnVCM1000008916f90aRCRD. Ref. n. DAC.NA.0003. 42/13.