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| Criterion |  Engineering Failure Scenario Analysis |  Operations ABC Analysis |  Operations Fault Tree Analysis |
|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 1-3 h | 30-60 min | 2-6 h |
Participantsdifferent | 3-8 | 1-5 | 3-8 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | ABC Classification, Focus Rules, Control List | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | FailureResilienceRisk | PrioritizationOperationsPortfolio | RiskRoot causeSafety |
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