Open invitation to tender, deadline 28.02.2012, for installation of ventilation equipment in the tunnels of the Unterweitersdorf-Freistadt North section of the S10 Muehlviertler expressway. Contract duration 01.10.2012 - 28.02.2016. Contact ASFiNAG BMG, Ansfelden, attn Heinrich Schimbock, Vienna, tel +43 50108-14545, fax +43 50108-914545, e-mail ingrid.ellmer@asfinag.at. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=401222-2011. 01/12.