PreAccident Investigation Podcast PAPod 540 - Swiss Cheese Actually
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Apr 5, 2025 Explore the intriguing depths of the Swiss Cheese Model and its relevance in safety strategies. Discover how uncertainty shapes operational environments and the importance of collaboration for safety. The discussion critiques traditional approaches and emphasizes developing robust recovery strategies. It's all about enhancing resilience while rethinking preventive measures!
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Swiss Cheese Model Misinterpretation
- The Swiss cheese model, illustrating how failures occur when holes in defenses align, has become synonymous with safety itself.
- However, its original intent was to highlight the weakness of defenses in depth, not their importance.
Defenses in Depth Not Enough
- Jim Reason's model aimed to show that defenses in depth, while important, are not foolproof.
- The alignment of weaknesses can still lead to failures, even with multiple layers of defense.
Focus on Recovery
- Don't just rely on preventing events; prepare for recovery when failures occur.
- Focus on building resilience and capacity to 'rescue' operations after an incident.