This contract will consist of carrying out the following services: - implementation of on-call duty and curative maintenance on PLCs and supervision of structures (9 tunnels and the central system in Osiris and Mérande PC backup) - preventive maintenance on PLCs and supervision of structures - subsequent developments such as: the deployment of a pre-production and testing platform, the development of an operator training simulator, the possible migration of the code to an up-to-date version of Wincc OA

the services, subject of this contract, concern:- the establishment of on-call duty and curative maintenance on the PLCs and the supervision of the structures (9 tunnels and the central system in Osiris and Mérande PC backup); - preventive maintenance on the PLCs and the supervision of the structures;- subsequent developments such as: - the deployment of a pre-production and testing platform - the development of an operator training simulator - the possible migrating code to an up-to-date version of Wincc OA