Open invitation to tender, deadline 20/05/2021, for the construction of the Altza-Galtzaraborda section part of the San Sebastian (Donostia) metro line including the Altza-Pasaia tunnel (934.20 m), Pasaia-Galtzaraborda tunnel (724 m), E. Pasaia cut & cover tunnel (221.80 m), approach and ventilation tunnel c/ SASUATEGUI- (339.13 m), Safety tunnel (53 m), ventilation tunnel c/LORETE (28.50 m), ventilation tunnel Parque Molinao (18.80) and ventilation tunnel c/PARKE (24.04 m). Contract value is EUR73.61 million excluding VAT, duration 50 months. Contact ETS - Euskal Trenbide Sarea, Bilbao, tel +34 946572600, fax +34 946572601, email ets@ets-rfv.eus. For further on the tender, please click here and here. Ref.n. P20021748. 16/21.