The work consists of (general description):

- earthworks in excavated material and embankments

- the construction of embankments, with filler materials and reuse of site materials

- associated works: installation of anti-burrowing fences, barriers and slides, topsoil, grassing of embankments, reforestation, ...

- supply and implementation of riprap,

- the implementation of gabion mattresses,

- the creation of tracks and access for the maintenance and supervision of structures,

- the realization of draining trenches.

The work consists of reinforcing and restructuring approximately 1.8 km of:

- Main quantities of lot 1:

- excavated: approximately 40,000 m3,

- embankments: approximately 36,000 m3,

- supply and installation of Gabions mattresses: approximately 5,000 square meters,

- supply and installation of riprap: approximately 34 000 tonnes,

- concrete track: approximately 3,200 square metres,

- topsoil installation: approximately 5,500 m3;

The work consists of reinforcing and restructuring approximately 1.8 km of:

- Main quantities of lot 2:

- seeding: about 26,000 square meters,

- plantations (trees, shrubs, shrubs): about 1,300 units