Open invitation to tender, deadline 26.01.2011, for design and construction of 8 m-wide open cut road tunnel with 90 cm-diameter bored piles and 80 cm-thick diaphragm wall and 85 m north-west ramp, sewer, electrics and road building for Ko-Bogen in Dusseldorf. Further information from Andreas Weise at LHS Duesseldorf, tel +49 21189-93984, fax -33984, e-mail andreas.weise@duesseldorf.de. Specs and docs from LHS Duesseldorf, tel +49 21189-93902, fax -29080, e-mail ausschreibungen@duesseldorf.de to where tenders or requests to participate must be sent. Time limit for requests for documents 19.01.2011. Contract duration 15 months. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=353352-2010. 48/10.