Open invitation to tender, deadline 19/10/2023, for local work management during the refurbishment of the Niklasdorf (1331 m / 1333 m), Massenberg (406 m / 433 m) and Oberaich (211 m / 178 m) tunnels and of their ventilation systems on the S06 Semmering expressway. Duration of the contract is from 08/01/2024 to 30/05/2027. Contact Asfinag Bau Management GmbH, attn Marc Maierhofer, Vienna, tel +43 50108-14558, email Marc.Maierhofer@asfinag.at. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=560353-2023. Ref. n. 2023/PROVIA ID-N.105686. 38/23.
