Open invitation to tender, deadline 24/06/2025, for the partial rehabilitation of the 4043 m Engelberg railway tunnel on the historic Lucerne-Stans-Engelberg line. The tunnel was damaged by water infiltration. Click here for bid/tender documents and where tenders must be sent. Duration of the contract is from 01/01/2026 to 30/11/2026. Contact zB Zentralbahn AG, Stansstad, tel +41586688888, email einkauf@zentralbahn.ch. Visit https://ted.europa.eu/it/notice/-/detail/287305-2025. 19/25.