Invitation to tender by negotiated procedure, deadline 01.10.2014, for construction of access shaft and geotechnical exploration tunnel for ground investigation work prior to extension of line 11, partly on the plateau of Romainville. TBM entry will be at La Boissiere station. Contract duration 11 months. Further information, specs and docs from Myriam Fontaine-Boulle at RATP in Paris, tel +33 158770195, fax +33 158769468, e-mail myriam.fontaine-boulle@ratp.fr, to whom tenders or requests to participate must be sent. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=261341-2014. Ref MOP/HA 14-0113. 31/14.