Competitive dialogue, deadline 30/09/2020, for the design and construction of 6 stations, a depot/maintenance centre (SMR/SMI), 17 km of tunnel,  17 service facilities and 15 connecting structures for the South Section on line 15 East of the Grand Paris Express (M1_Cr_15e) between Champigny-sur-Marne  and Bobigny.The duration of the contract is 114 months. For further information please click here https://www.marches-publics.gouv.fr/?page=entreprise.EntrepriseAdvancedSearch&AllCons&refConsultation=609001&orgAcronyme=s2d where offers must be sent. Contact Societe du Grand Paris, attn Selma Mouloud, Saint-Denis, tel +33 182462000, fax +33 182462031, email Marches-sgp@societedugrandparis.fr.  For tender information please click here http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=355551-2020. Ref. n. 2020DC002_cand. 31/20.