Open invitation to tender, deadline31/01/2025, for the technical assistance to the construction management of the revised project for section2 of the lining reinforcement and facilities adaptation project, of the tube towards San Sebastian of the twin-tube Belabieta tunnel (1.8 km) on the A-15 motorway. Click here for bid documents and here where tenders must be sent. Contract value EUR1.71 million, excluding VAT. Duration contract 15 months. Contact Diputacion Foral of Gipuzkoa, Donostia-San Sebastian, tel +34 943112366, email bidekontratazioa@gipuzkoa.eus. Visit https://ted.europa.eu/en/notice/-/detail/798990-2024. Ref.n. 1-IN-1/2019 S2-RP-DO. 01/25.