Electrical engineering activities for rail networks, trams and metros

Published on 26 February 2008
Unrolling a catenary wire (photo RR).

These are specified in contracts:

Design work:
The French National Railway Company (SNCF) is responsible for designing the engineering structures on the French rail network and the Paris Public Transport Authority (RATP) is responsible for the Paris metro. Contractors can be involed in design work (particularly for the transformers and electrical supply systems, control rooms, safety rooms and monitoring rooms.

Construction work:
Contractors carry out the construction work that is planned during the design phase and also perform tests, adjustments and trials.

Maintenance work:
Maintenance operations involve repair work in the event of a failure and the scheduled replacement of equipment in a preventive framework.