Negotiated with prior publication of a call for competition, deadline 07/04/2025, for the installation of measuring instruments for noise emissions (Lot 1), vibrations (Lot 2) and air quality (Lot 3) on the eastern underground section between the Marienhof station and the R9 shaft of the Second Core S-Bahn Route in Munich. Click here for bid documents and where tenders must be sent. Duration of contract from 01/07/2025 to 31/12/2027. Contact DB InfraGO AG, Frankfurt Main, tel +49 89130885031, fax +49 69260913730, email Michael.Mc.Behr@deutschebahn.com. Visit https://ted.europa.eu/en/notice/-/detail/154793-2025. Ref.n. 24FEI78834. 14/25.