Invitation to tender using negotiated procedure, deadline 14.09.2012, for replacement of programmable logic controllers (PLC) on Eurotunnel concession (sites FR and UK + tunnels). The bid is comprises seven lots, whose number can be adjusted according to the economic and technical constraints. Further information from Christine Berquez at Eurotunnel in Coquelles, France, tel +33 321006962, e-mail email@example.com. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=223641-2012. 29/12.