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QRA is done for new Project or also for Operating Plant? Isn't HAZOP not enough for any changes or modifications in Operating Plant?

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Question added by Diwakar Prasad , Senior Specialist - Business Management, L&S Division , Abu Dhabi National Oil Company (ADNOC)
Date Posted: 2014/02/24
Tariq Raza
by Tariq Raza , HSE Head , Engro

HAZOP documents the safeguards that will be provided to manage the risk. QRA is used to quantitatively demonstrate whether the safeguards being provided will reduce the probability of the risk to as low as reasonably practicable or not. 

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