Negotiated invitation to tender, deadline 18.03.2016, for sealing injections and waterproofing of infrastructures on the metro and RER lines in Paris. The contract duration is 36 months. For further information contact RATP, attn Annabelle Gauthrin, Paris, tel +33 158771634, e-mail annabelle.gauthrin@ratp.fr. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=68164-2016. Ref.n. DHA_2016M2E7641. 09/16.