Biege BTO S21 PA 1.7 Lose A-E c/o Wittfeld GmbH from Wallenhorst secured the contract to provide railway technology/armouring (BTO) in the 3.5km Cannstatt and 3km Feuerbach tunnels of the Stuttgart 21 project, Lot A, North. Contact DB Projekt Stuttgart-Ulm GmbH, Stuttgart, tel +49 6926521939, fax +49 6926521939, email einkauf-s21nbs@deutschebahn.com. Visit https://ted.europa.eu/en/notice/-/detail/284265-2024 . Ref.n. 20FEI44393. 20/24.