Negotiated invitation to tender, deadline 19.12.2013, for technical building inspection on the 23 km-long Noisy-Champs (station included) - Villejuif Louis Aragon (station not included) section of the Line 15 of Grand Paris Express. The section includes an electricity tunnel at a 17-53 m depth, connection tunnels, TBM launch shafts and eight underground stations. Contract duration 103 months after award. Contact Societe du Grand Paris, att.n M. Martinat Severine, Saint-Denis, tel +33 182462000, fax +33 182462031, website www.marches-publics.gouv.fr. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=412834-2013. Ref. n. PN2013-16. 50/13.