Open invitation to tender, deadline 23.11.2017, for upgrading work under the D.l. n. 264/2006, PSG Phase 2, Lot 4B, in tunnels Manfreida (676 m, 780 m), Di Casa Monacchi (871 m, 921 m), Massimo Risso (980 m, 956 m), Turchino (969 m, 969 m) and Bertè (899 m, 899 m) on the A26 motorway Genova - Gravellona Toce, section interchange A26-A12 GE–Ventimiglia - Masone. The contract value is EUR7.82 million, excluding VAT. The duration of the contract is 420 days from the award. Contact Autostrade per l'Italia SpA, attn eng Antonio Trotta, Rome, tel +39 0643632581, fax +39 0643634206, email autostradeperlitalia@pec.autostrade.it and gareappalti@autostrade.it. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=396977-2017. Bid Code n. 0263/A26. 41/17.