Open invitation to tender, deadline 29/09/2021, for the maintenance on cable duct covers in Candid, Luise-Kiesselbach, Heckenstaller and Trappentreut tunnels on Mittlerer Ring was not awarded. Duration contract from 01/03/2022 to 30/11/2024. Contact Landeshauptstadt, Munich, email bekanntmachungen.vz2.bau@muenchen.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=427081-2021. Ref. n. J60a203221. 34/21.