Open invitation to tender, deadline 02.08.2010, for spalling determination in the tunnels Bobigny (2 x 2,220 m) on the A86. Duration contract 20 months after award. For more, contact Pascale Piquerez, DIRIF, Créteil, tel +33 146764927, e-mail pascale.piquerez@developpement-durable.gouv.fr. Offers to Magguy Desplan, DIRIF, Créteil, tel +33 146768-724, e-mail magguy.desplan@developpement-durable.gouv. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=172954-2010. 25/10.