Open invitation to tender, deadline 30.11.2017, for upgrading work under the D.l. n. 264/2006, PSG Phase 2, Lot 3A, in tunnels Del Lago (1492, 1561 m), Campiolo (834 m, 881 m), Moggio Udinese (1583 m, 1573 m), Zannier (1504 m, 1437 m) and Raccolana (1436 m, 1410 m) on the A23 motorway Udine-Carnia-Tarvisio. The value of the contract is EUR6.71 million, excluding VAT. The duration of the contract is 350 days from award. Contact Autostrade per l'Italia SpA, attn Eng Matteo De Santis, Rome, tel +39 0643634553, fax +39 0643634206, email gareappalti@autostrade.it. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=408318-2017. Bid n. 0106/A23. 42/17.