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| Criterion |  Operations Barrier Analysis |  Operations Fault Tree Analysis |  Delivery Communication Plan |
|---|---|---|---|
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. | 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. | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 2-4 h | 2-6 h | 45-90 min |
Participantsdifferent | 2-6 | 3-8 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Communication Plan, Channel Matrix, Message Cadence |
Tagsno overlap | Root causeSafetyIncident | RiskRoot causeSafety | CommunicationStakeholdersDeliveryPlanning |
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