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| Criterion |  Operations Barrier Analysis |  Operations Fault Tree Analysis |  Innovation Design Charrette |
|---|---|---|---|
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. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 2-4 h | 2-6 h | Halber Tag bis mehrere Tage |
Participantsdifferent | 2-6 | 3-8 | 10-50 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction |
Tagsno overlap | Root causeSafetyIncident | RiskRoot causeSafety | BrainstormingWorkshopCollaborationIdeation |
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