The contract mainly includes:

- laying energy, telephone, signaling, grounding, control and signaling cables,

- making foundations for signal and food chain,

- placing this chain on the foundations,

- introducing the cables into the various buildings, chain, distribution and signal boxes,

- installing, equipping, wiring and connecting signaling and distribution boxes,

- connecting the cables to the signaling and supply chain systems, signaling units and railway signaling equipment,

- installing, equipping and connecting railway signals,

- installing and connecting all kinds of safety equipment related to the signaling device,

- placing trenches and cable ducts where deemed necessary to obtain an orderly condition,

- the removal of old cables,

- removal of old signaling installations,

- clearing and restoring the site in an orderly condition.

See specifications.