Invitation to tender using negotiated procedure, deadline 19.08.2014, for construction supervision services during lot SBT1.1 works at the Gloggnitz tunnel, part of the Semmering base tunnel. Contract duration 02.02.2015 to 31.12.2024. Contact OEBB Infrastruktur AG, attn Richard Polaczek, Vienna, tel + 43 193000-45812, fax -45829, e-mail richard.polaczek@oebb.at. Tenders or requests to participate must be sent to https://www.ava-online.at. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=241613-2014. Ref.n. AVA25887, G16519. 29/14.