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[HWIK]

Hi, 

I'm doing a HAZOP for a unit, and I am a bit confused as to how exactly it should be done. Lets say I have an entry for a deviation and parameter of Less Flow due to a pump failure, that can then cause a hazard of low level in a reactor. Then for a deviation and parameter of Low Level, can I add another entry with pump failure as a cause?

Because the hazards are virtually identical but if I do this for all other hazards, the entire study will become very long and redundant. So which entry should I use in the HAZOP sheet, for Less Flow or Low Level?

Any help is welcome, thank you!

[breizh]

Hi,

Hazard study is always very long , you need to cover all the possible scenarios and document them . 

In case of trouble you need to be able to demonstrate that your study , I mean the group study, cover them all . 

Attached a worksheet to support your work

Good luck

Breizh