2. What types of MMR involve human action?
2.1 Human MMR
These are actions or a succession of actions carried out by one or more operators. The operator may have a preventive or mitigating function. These MMR correspond to actions not relayed by technical safety elements.
Example of a human MMR for prevention: visual inspection of the appearance of a pipe to identify early signs of external corrosion.
Example of human mitigation MMR: closing a manual valve following visual detection of a leak.
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Bibliography
Iddir (O.), Principles for assessing the probability of failure of risk control measures [SE 4057].
Iddir (O.), Quantifying risk in hazard studies [G4218].
Mortureux (Y.), Human and organizational dimensions in feedback [SE3805].
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