Open invitation to tender, deadline 23.09.2013, for provision of ventilation and air quality monitoring facilities to Frankfurter Kreuz (1.886 km-long), Kelsterbacher Spange (994 m-long), and Frankfurter Kreuz (1.62 km-long) tunnels in Frankfurt/Main. Contract commences 03.02.2014 for completion 09.06.2014. Contract number 13TEA05620. Register at https://bieterportal.noncd.db.de/Portal/FAQ. Further information, specs and docs from Ines Bartl at DB Netz in Berlin, tel +49 3029756887, fax +49 6926521757, e-mail ines.bartl@deutschebahn.com to whom tenders or requests to participate must be sent. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=274956-2013. NUTS-Code DEB. 33/13.
