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| Criterion |  Operations Time Blocking |  Delivery Value Stream Mapping |  Operations Gemba Walk |  Operations ALPEN Method |
|---|---|---|---|---|
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. | When delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 15-30 min Planung, laufend | 1-3 h | 30-120 min | 10-20 min daily |
Participantsdifferent | 1 | 4-10 | 2-6 | 1 |
Formatdifferent | Async | Workshop | Workshop | Async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Current-state map, Future-state map, Bottleneck list | Observation Notes, Improvement Ideas | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | PlanningTime managementFocus | LeanFlowWasteDelivery | LeanObservationProcessOperations | PlanningTime managementProductivityOperations |