BSI PD CLC/TR 50451:2007

Withdrawn Consolidated
Railway applications. Systematic allocation of safety integrity requirements

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A newer publication replaces it: BSI BS EN 50129


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BSI PD CLC/TR 50451:2007

Railway applications. Systematic allocation of safety integrity requirements

PUBLISH DATE 2010
PAGES 90
BSI PD CLC/TR 50451:2007

The scope of this Technical Report is to define a method to determine the required Safety Integrity Level of railway signalling equipment taking in consideration:

  • the operational conditions of the railway, and
  • the architecture of the signalling system.

The following picture may be used in order to detail more precisely the scope of this Technical Report:

From a mechanistic point of view the task of this Technical Report is to define a method of calculation, which determines the integrity requirements (qualitatively and quantitatively) from the inputs stated above.

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