Prior information notice for installation of drainage pipes and repair and maintenance of firefighting equipment on A40 motorway at Essen, including Richtungsverkehrs tunnel. Further information from Kaneliza Sekertzi at Strassen NRW in Krefeld, tel +49 2151819-205, fax -420, e-mail ANL-KR-Vergabeservice@strassen.nrw.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=126067-2011. 16/11.