Difference between HAZOP and HIRA, AND severity and risk.

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HAZOP focuses on identifying potential hazards in a process, while HIRA assesses risks associated with those hazards. Severity refers to the potential impact of a hazard, while risk combines the likelihood and severity of a hazard.

HAZOP (Hazard and Operability Study) is a structured technique used to identify potential hazards in a process plant.
HIRA (Hazard Identification and Risk Assessment) is a process that assesses the risks associated with identified hazards.
Severity refers to the potential impact or harm that a hazard can cause if it occurs.
Risk combines the likelihood of a hazard occurring with the severity of its consequences.
In HAZOP, the focus is on identifying deviations from the intended design or operation that could lead to hazards, while in HIRA, the focus is on evaluating the risks associated with those hazards.

Difference between HAZOP and HIRA, AND severity and risk.

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