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| Criterion |  Operations Barrier Analysis |  Delivery Cost of Delay |  Operations MORT Analysis |  Operations Fault Tree Analysis |
|---|---|---|---|---|
Purposedifferent | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | 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 | High | High | High |
Timedifferent | 2-4 h | 90-180 min | Mehrere Tage bis Wochen | 2-6 h |
Participantsdifferent | 2-6 | 3-8 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | CoD Table, Prioritization Sequence | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | Root causeSafetyIncident | PrioritizationDeliveryEconomicsDecision | Root causeSafetySystemicIncident | RiskRoot causeSafety |