Open invitation to tender, deadline 15/09/2023, for the maintenance of active systems in the infrastructures of DIR Nord-Ouest, including the 1.5 km-long twin tube Grand Mare tunnel on the RN28. For tender documents please click here, where tenders must be sent. Duration of the contract is 12 months. Contact DIR Nord-Ouest, attn Eric Battier, Rouen, tel +33 699972656, fax+33 276000495, email eric.battier@developpement-durable.gouv.fr. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=432654-2023. Ref.n. PESM-2023-002. 29/23.
