The services to be carried out are the reinforcement of the piers (banks and central piers) to the impacts of heavy goods vehicles by linking the drums and concern the PS216 on the A83

The work includes, as an indication:

- The preparation of the surfaces and the work necessary for the site facilities and storage areas, the preparatory work prior to the execution of the works, the execution of the site platforms;

- The works and special provisions related to the environment of the work;

- Carrying out the removal and reinstallation of the sewerage networks necessary to carry out the work;

- The supply, installation at the beginning of the site, transfers and evacuation at the end of the site of modular track separators and shock attenuators in order to ensure the safety of the intervention;

- Temporary and definitive marking and deletion (only hydro-erasure is allowed) necessary for the completion of the various phases of the work;

- Construction site signage and diversions on the secondary network necessary for the construction site during the night closure phases of the motorway traffic direction;

- The construction of the earthworks and supports necessary for the reinforcement of the piers, including all the constraints of putting and keeping dry the excavations carried out;

- The protection and construction of the temporary support of the beam containing the FO network;

- Reinforcement seals in existing structures;

- Reinforcement, formwork and concreting as well as fattening to be put in place;

- The backfilling of the excavations carried out with the reinstallation of the misguided networks as well as the connection;

- The restoration of the pavement structures to the right of the piers;

- Carrying out a complete carbon assessment of the project in accordance with the standards and regulations in force and according to the framework provided;

- The appointment of a qualified and experienced security officer who will be responsible for the security management of the project;

- The appointment of a qualified and experienced environmental officer who will be responsible for the environmental management of the project;

- Folding and restoration of the site;

- The production and supply of the verification file;