Open invitation to tender, deadline 29/10/2025, for geotechnical and rock mechanics laboratory investigations as well as building material testing, including related fieldwork (Lot 024), project MehrSpur Zurich-Winterthur (MSZW). For bid documents, please click here. Duration of contract from 16/02/2026 to 31/12/2038. Contact SBB, Zurich, email einkauf.bauprojekte.ost@sbb.ch. Visit https://ted.europa.eu/en/notice/-/detail/698648-2025 and https://ted.europa.eu/en/notice/-/detail/604150-2025. 43/25.