Closing Date: 21.11.2011Open invitation to tender, deadline 21.11.2011, for electrical and structural renovation of IJtunnel. Further information, specs and docs from J van Liere at IBA in Amsterdam, tel +31 2025111-11, fax -99, e-mail jliere@iba.amsterdam.nl, to whom tenders or requests to participate must be sent. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=324105-2011. 42/11.