Invitation to tender using negotiated procedure, deadline 29.04.2011, for six lots of preventive and corrective maintenance of fire detection systems on French and English sides of Channel tunnel. Contract duration 36 months. Further information, specs and docs from Peggy Gouverneur at Eurotunnel in Coquelles, tel +33 3210043-28, fax -49, e-mail peggy.gouverneur@eurotunnel.com to whom tenders or requests to participate must be sent. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=120252-2011. 15/11.