Open invitation to tender, deadline 01/07/2024, to provide support services to general management during the construction of a 1.28 km-long twin track Aginaga tunnel on the Bilbao-Donostia line. Contract value is EUR1.84 million excluding VAT. Duration of the contract will be 40 months. Contact ETS - Euskal Trenbide Sarea, Bilbao, tel +34 946572600, email kontratazioa@ets-rfv.eus. Visit https://ted.europa.eu/en/notice/-/detail/323334-2024. Ref.n. P20025566. 23/24.