Open invitation to tender, deadline 12/09/2024, for general planning services from construction to commissioning for the Zimmerberg Base Tunnel 2 (ZBT2) project. The tunnel is approximately 10.8 km long and consists of two single-track tubes. It connects to the Zimmerberg Base Tunnel 1 and extends to the south portal Litti near Baar. The project is divided into the following areas: Nidelbad, tunnel and Deinikon/Litti. For further information http://www.simap.ch/shabforms/servlet/Search?NOTICE_NR=1419621. Duration of the contract is from 31/01/2025 to 31/12/2037. Contact SBB, att.ne Benjamin Karli, Zurigo, email einkauf.bauprojekte.ost@sbb.ch. Visit https://ted.europa.eu/en/notice/-/detail/391919-2024. Ref.n. 1161142. 27/24.