Invitation to tender by negotiated procedure, deadline 19.03.2014, for design, supply and installation of grilles for ventilation and smoke extraction in metro tunnels at Paris. Duration of contract 36 months from award. Contact RATP, Paris, tel +33 158770687, e-mail pierrette.labruyere@ratp.fr. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=074100-2014. Ref. n. GDI 14-0042. 10/14