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| Criterion |  Operations Time Blocking |  Operations Fault Tree Analysis |  Operations ALPEN Method |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 15-30 min Planung, laufend | 2-6 h | 10-20 min daily | 2-4 h |
Participantsdifferent | 1 | 3-8 | 1 | 2-6 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Daily Plan, Time Estimates, Review Notes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | PlanningTime managementFocus | RiskRoot causeSafety | PlanningTime managementProductivityOperations | Root causeSafetyIncident |