Open invitation to tender, deadline 03.12.2012, for design and construction of the air input and exhaust gases extraction equipment in the Castelvecchio, Osteria, Diaterna, Montecalvo, Riosto, Quinzano, Brentana, Rovigo, Osteto, Marzano, San Giorgio, Firenzuola, Carlone adits and for civil works in the new Tecnological Chamber, Castelvecchio adit on the AV/AV Bologna-Firenze. Contract value EUR 9.44 million. Contact Italferr SpA, att.n Maria Teresa Guagliardi, Rome, tel +39 06 49752827, fax +39 0649752445, e-mail gareappalti.it@legalmail.it. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=323825-2012. Bid Code PA-1195. 42/12.