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Risk matrices for Shell and BP

2010-03-07View Original

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How were the risk matrices used by Shell and BP during their HAZOP analyses developed? What is the basis? How were the risk matrices used by Shell and BP in conducting LOPA analyses? What is the basis?
Reply #22010-03-07
The hazard control matrix for shells classifies various factors such as the hazard level of the material and the duration of operations into different levels; a score corresponding to each level is calculated using a specific formula, and control measures are then determined based on that score. You can refer to http://bbs.hcbbs.com/viewthread.php?tid=274613 and http://bbs.hcbbs.com/viewthread.php?tid=293685

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