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Demonstration study on the modifications performed in order for the PCI of the rail terminal “Porte d’Orléans” (Line 4 of the Paris underground railway) not to weaken the current safety level provided by the PCC system.

Risk analysis of the Modifications of the operating help systems of Line 4.
  • Axis 1 : Risk analysis within the framework of the renewal of the PCC existing functions.
  • Axis 2 : Ris analysis within the framework of the introduction of four functionalities not used on the current PCC system.

Approach using the GAME analysis of the consequences on the existing line and the rail terminal.