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Modernisation of the Danish railway signaling system

SERVICE MERCATO CLIENT Leading company in the railway field YEAR 2013-2019 in corso

Client brief

Provide support in the implementation of the signaling system safety demonstration activities, including the Interlocking (IXL), Train Control (ERTMS/ETCS) and Traffic Management (TMS) subsystems.

 

ERTMS/ETCS: European Rail Traffic Management System/European Train Control System

TMS: Train Management System

 

Project challenge

    • To provide ongoing support during the development of the signalling system for all safety aspects, from the definition of the safety management process to the issuing of the Safety Case.
    • Development of safety analyses (referring to system functions and interfaces) for the definition of safety requirements.

Solution

NIER contributed to:

  • the definition of the safety management process;
  • the development of safety analyses (System Hazard Analysis and Hazard Analysis of external and internal interfaces):
  • verification of the satisfaction of the safety requirements and acquisition of the evidence necessary for system validation;
  • the drafting of safety documentation, including the Generic Application Safety Case in accordance with EN50129.

Esecution phases

FASE 1

Definition of the safety management process (drafting of the Safety Plan).

FASE 2

Development of the System Hazard Analysis.

FASE 3

Development of the Hazard Analysis of the interfaces.

FASE 4

Drafting of the Validation Report on the basis of the evidence provided by the verification and testing activities.

FASE 5

Drafting of the Generic Application Safety Case.

Achieved results

 

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