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| Criterion |  Operations Fault Tree Analysis |  Operations Barrier Analysis |  Innovation Design Charrette |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | High | Medium | Medium |
Timedifferent | 2-6 h | 2-4 h | Halber Tag bis mehrere Tage |
Participantsdifferent | 3-8 | 2-6 | 10-50 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction |
Tagsno overlap | RiskRoot causeSafety | Root causeSafetyIncident | BrainstormingWorkshopCollaborationIdeation |
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