Open invitation to tender for cleaning and maintenance of tunnels and drainage systems owned by Antwerp Department of Roads and Traffic for one year renewable. Further information, specs and docs from Davinia Lespagnard at MOW in Antwerp, e-mail davinia.lespagnard@mow.vlaanderen.be, to whom tenders or requests to participate must be sent. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=209155-2012. 27/12.