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When the HAZOP study has to be updated or reviewed on which bases?

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Question added by Mohsen Maamouri , Senior HSE Engineer , eni tunisia
Date Posted: 2015/12/29
farshid hashemi
by farshid hashemi , Senior Process Engineer , Amec Foster Wheeler

HAZOP should be reviewed in the prject life cycle including FEED, detailed design, Before Commissioning and start-up. For a process plant in operation mode, HAZOP should be reviewed before any changes in the process operation to ensure all existing process safegaurds are in place.

Wail Mutassim AbdalWahab Ahmed
by Wail Mutassim AbdalWahab Ahmed , Lead Process Engineer , Ch2m Hill

Usually Hazop is conducted at the FEED stage of the project and at the EPC stage as well. However, when designing any new facilities or modifying any existing facilities usually a small HAZOP session is required.

MUHAMMAD RASHID
by MUHAMMAD RASHID , Process Safety Engineer , SHEPHERD RISK

Hi,

Normally HAZOP is Revalidated after a certain period defined at the time of HAZOP but before any Modififaction project HAZOP should be Revalidated. 

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