RBI Case Study: Optimize PRD Inspection Intervals Using PRD RBI

by Valerie Magyari / June 2016

 

The traditional inspection planning method for setting intervals for PRDs in the API 510 inspection code only considers the probability of failure of the valve. It does not consider the consequence and risk of a potential failure.

 

RBI is a more rigorous inspection planning method that sets intervals based on both the Probability and Consequence of Failure. RBI is a beneficial inspection method because in most facilities a large percent of the total risk is concentrated in a relatively small percent of the equipment items. RBI allows a facility to focus on the high-risk equipment and not on equipment with little to no risk.

 

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