Open invitation to tender, deadline 11/12/2023, for the maintenance of civil protection and security facilities in the tunnels of the La Robla - Pola de Lena high-speed line (Pajares Bypass). Click here for tender documents and here where tenders must be sent. Value of the contract is EUR 4,490,551.32, excluding VAT. Duration of contract 24 months. Contact Adif, Madrid, tel +34 91 300 6638, email compras.contratacion@adif.es. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=660530-2023. Ref.n. 2.23/21520.0128. 45/23.