- Reelectrification of the Luttre section - Marchienne-au-Pont.

- construction works for foundations for catenary poles and bollards,

- Installation of poles, posts, consoles, sleepers, shrouds, metal equipment, construction equipment, ...,

- transfer work, shifting, re-balancing with resumption of mechanical tensions, and adaptations of the existing contact lines (including sectionings) and of the earth cable,

- excavation work of the new catenaries, on the main tracks A and B of lines 124 and 124A between Luttre and Marchienne-au Pont,

- work to create new sections,

- work of transformation of existing sectionings,

- the removal of existing catenaries, posts, consoles, sleepers, anchors, metallic or non-existent equipment, which have become useless,

- various works such as making dice, ...,

- performance studies for works at catenary installations,

- the supply of metal material, concrete and other materials needed for the work.