EN 50126 / EN 50128 / EN 50129 - Railway Applications RAMS
EN 50129 clause 7: The Safety Case, structure and content – EN 50126 / EN 50128 / EN 50129 - Railway Applications RAMS

EN 50126 / EN 50128 / EN 50129 - Railway Applications RAMS 50129:7.5: Dependencies between Safety Cases

What does 50129:7.5 require?

A safety case that depends on the safety cases of subsystems, equipment or generic products references them in Part 5, demonstrates that every safety-related application condition each of them exports is either fulfilled within the dependent safety case or carried forward into its own application conditions, and keeps the dependency current: a change to a referenced safety case or its conditions is assessed for its effect on the dependent one, and the hierarchy of safety cases follows the system architecture.

Maintained by Gerard Blokdyk

What else in your programme already covers this

This control maps to 2 controls across 1 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.

  • 8:15.4 15.4 Interfacing an application that is out of scope of ISO 26262
  • 8:5.4.5 5.4.5 Functional safety assessment activities in distributed developments

Every mapping shown was judged rather than inferred from wording similarity, and the ones that failed review are published too. See the coverage reports and what was rejected.

Other controls in EN 50129 clause 7: The Safety Case, structure and content – EN 50126 / EN 50128 / EN 50129 - Railway Applications RAMS

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The graph holds this control, the 2 it maps to, and the evidence behind each claim, over MCP and REST.