Open invitation to tender, deadline 16/09/2021, for the 2,213 m San Lorenzo tunnel bypass construction between Km 41+600 and Km 44+400, at Passo della Morte, Forni di Sotto municipality (UD), SS52 Carnica. The contract mainly concerns the construction of a hydraulic tunnel to implement the drainage system of the San Lorenzo tunnel. The contract also include restoration work on the deterioration of the tunnel lining and ground environmental monitoring during construction. The value of the contract is EUR15.34 million (10.20 million of which belongs to the OG4 category), excluding VAT. The duration of the contract is 416 days. For tender documents please click here, where tenders must be sent. Contact Anas SpA, attn Eng. Antonio Marsella, Rome, email appalti.lavori@postacert.stradeanas.it.. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=398883-2021. Ref.n. TS 82/21. 33/21.