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2. The "original" LOPA: a non-unambiguous method
2.1 Case study feedback
In a post-Buncefield report , the UK HSE compared LOPA analyses carried out by several companies (industry and/or specialist consultants) on the prevention and mitigation of storage tank overfill.
This report raises a number of points to watch out for:
1. the representativeness of the data and sources used to justify the values assigned to initiating event frequencies and barrier failure probabilities. The study reports that some of the data used were inappropriate and/or had a high degree of uncertainty;...
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The "original" LOPA: a non-unambiguous method
LOPA versus other methods
Bibliography
Standards and norms
- Functional safety of safety-related electrical/electronic/programmable electronic systems – Part 1: General requirements. - NF EN 61508-1 :2011 - Janvier 2011
- Functional safety of safety-related electrical/electronic/programmable electronic systems – Part 2: Requirements for safety-related electrical/electronic/programmable electronic systems. - NF EN 61508-2 :2011 - Janvier 2011
- Functional safety of safety-related...
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