Maintenance of the ventilation systems of the tunnels of the national road network of Île-de-France, as well as the supply of the parts necessary for their maintenance

Description of services: - coordination and planning of interventions; - Provision of diagnostic, preventive and curative maintenance services (curative, palliative, etc.), including the supply of consumables, accessories and small spare parts (included in packages and services); - supply of spare parts packages; Provisioning, replacement by equivalent equipment in case of obsolescence, etc. - Subsystem administration (backup, restoration, software update, configuration update, management of network parameters, consideration of information system security, etc.); - studies of replacement operations, modernization, renovation, reconstruction; - services such as replacement, modernization, renovation, reconstruction; - G.M.A.O. information And updating the cartographic and technical data of the Médiathèque's documentary collection; - Assistance and advice to the maintenance units of the Dirif