Restricted invitation to tender, deadline 05.01.2016, for engineering studies and general management assistance for upgrading of equipment in the Duplex tunnel on A86 motorway in Paris. Duration of the contract is 48 months from award. Contact Cofiroute, Direction du patrimoine et de la construction, att.n Pascale Blouet, Rueil-Malmaison, e-mail: genie.civil.cofiroute@vinci-autoroutes.com. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=409746-2015. 48/15.