Invitation to tender by restricted procedure, deadline 08.12.2010, for improvement of sewer system along Damhusaen including 2.5 km-long, 1.6 m-diameter concrete collector with shafts up to 7 m below ground and 4 m below water table. Poor, permeable and fissured ground conditions may require compressed air support at face. Further information, specs and docs from Ib Winthor Hamborg at Ramboll in Copenhagen, tel +45 5161-6073, fax -1001, e-mail iwh@ramboll.dk to whom tenders or requests to participate must be sent. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=331325-2010. 45/10.