Open invitation to tender, deadline 01/04/2021, for the inspection of tunnels in every lot of the Stuttgart –Ulm line. For tender document click here where tenders or requests to participate must be submitted. Duration of the contract is from 06/04/2021 to 14/11/2021. Contact DB Projekt Stuttgart-Ulm GmbH, Stuttgart, fax +49 6926521939, email Einkauf-S21NBS@deutschebahn.com. For further on TED tender, please click here and www.bahnprojekt-stuttgart-ulm.de. Ref.n. 21FEI51281. 11/21.