Open invitation to tender, deadline 31/05/2024, for refurbishment works of the Flughafen (1507 m) and Hagenholz (3241 m) tunnels for Zurich Airport. Recommended participation in the site inspection, organised for 12/04/2024 at 13h00. Registration by 10/04/2024 at 16h00, by sending email to andre.schindler@sbb.ch. For further information please click here (German) and/or here (French). Duration contract from 01/01/2025 to 31/12/2026. Contact SBB Infrastruktur, attn Mr Andre Schindler, Zurich, email einkauf.bauprojekte.ost@sbb.ch. Visit https://ted.europa.eu/en/notice/-/detail/200768-2024. 14/24.