criticality,scenarios,hazards,SIL,THR,Berlin Archives - International Railway Safety Council

Focusing on Worst Case Scenarios – Efficiency or Negligence


A paper which answers the question whether typically focusing on worst case outcome scenarios is sufficient for a safety case. The paper shows that a hazard under scenarios with worst case outcome can have a loser SIL than the same hazard with a minor effect scenario. the paper concludes that it is better to analyse all scenarios and not to focus on the worst case.

Year of Publication: 2014

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