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| Criterion |  Engineering Failure Scenario Analysis |  Operations ALPEN Method |  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 an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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 | 10-20 min daily | 2-6 h |
Participantsdifferent | 3-8 | 1 | 3-8 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Daily Plan, Time Estimates, Review Notes | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | FailureResilienceRisk | PlanningTime managementProductivityOperations | RiskRoot causeSafety |
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