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| Criterion |  Delivery RAID Log |  Operations Barrier Analysis |  Operations 5 Whys |  Operations Fault Tree Analysis |
|---|---|---|---|---|
Purposedifferent | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | 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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 | Low | Medium | Low | High |
Timedifferent | 30 min Setup, dann laufend | 2-4 h | 15-30 min | 2-6 h |
Participantsdifferent | 1-3 maintaining, briefing for everyone | 2-6 | 2-6 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | RAID Log, Status Report Source | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Root cause notes, Countermeasures | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | RiskTrackingStakeholdersGovernance | Root causeSafetyIncident | Root causeIncidentLeanProblem solving | RiskRoot causeSafety |