Periodic indicative notice, deadline 14/10/2022, for ventilation in the S-Bahn city tunnels in Frankfurt am Main (lines 3680-3682), Offenbach am Main (line 3680) and crossing structures (lines 3600/3606) on line 3688. Duration of the contract is from 03/03/2023 to 08/09/2023. Contact DB Netz, Berlino, tel +49 30297-56878, email klaus-dieter.alten@deutschebahn.com. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=493922-2022 . Ref.n. 22 22 545 002. 36/22
