This contract is a works contract which mainly comprises:

- coppicing and clearing of engineering structures;

- maintenance work on rubble stone masonry in piers, tympanum, head and vault walls;

- the realization of anchors by means of metal bars on the one hand but also in polymer reinforced with glass fibers on the other hand;

- the implementation of waterproofing membrane;

- track works;

- prefabrication and installation of reinforced concrete elements (L-shaped walls, slabs, etc.);

- the production of concrete poured on site;

- various drainage and drainage works.

This contract is a works contract which mainly comprises:

- coppicing and clearing of engineering structures;

- maintenance work on rubble stone masonry in piers, tympanum, head and vault walls;

- the realization of anchors by means of metal bars on the one hand but also in polymer reinforced with glass fibers on the other hand;

- the implementation of waterproofing membrane;

- track works;

- prefabrication and installation of reinforced concrete elements (L-shaped walls, slabs, etc.);

- the production of concrete poured on site;

- various drainage and drainage works.