What is the difference between HAZOP and HAZAN?
HAZOP(hazard and operability studies)
HAZAN(hazard analysis)
Identifies hazards Assesses hazards
Preferred technique –used on every
project Selective technique‑ use when others fails
Qualitative Quantitative
Done by a team Done by one or two people
Also called “what if” Also calledRisk analysis,Risk assessmentProbabilistic risk ssessment(PRA)Quantitative risk assessment (QRA)
HAZOP(hazard and operability studies)
HAZAN(hazard analysis)
Identifies hazards Assesses hazards
Preferred technique –used on every
project Selective technique‑ use when others fails
Qualitative Quantitative
Done by a team Done by one or two people
Also called “what if” Also calledRisk analysis,Risk assessmentProbabilistic risk ssessment(PRA)Quantitative risk assessment (QRA)
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