Open invitation to tender, deadline 03.01.2014, for provision of temporary ventilation facilities during refurbishment of the rail tunnels Niederhausener (2,765 m), Limburger (2,395 m), Eichen-Diekenscheid (400 m) and Lange Issel (1,015 m) on Koeln-Rhein/Main high-speed line. Time limit for accessing documents 30.12.2013. Contract commences 02.06.2014 for completion 03.11.2014. Contact DB Netz, att.n Ines Bartl, Frankfurt, tel +49 3029756887, fax +49 6926521757, e-mail ines.bartl@deutschebahn.com. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=378306-2013. Ref. n. 13TEA07097. 46/13.