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