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Division 3.2.2 RELIABILITY AND AVAILABILITY

United Kingdom

Original text. Later amendments are not shown.

  1. (a)

    For class A interfaces, the global reliability and availability objectives for the subsystem are apportioned between the on-board and trackside assemblies. The requirements are specified in Annex A, index 2b.

  2. (b)

    The quality of the maintenance organisation for all systems comprising the control-command subsystem shall ensure that the level of risk is controlled regarding constituent age and wear. The quality of the maintenance shall ensure that safety is not prejudiced because of these activities. Annex A, index 2c shall be applied.