Parts I and II of this article provide a framework for when it is appropriate to make the transition from qualitative analysis to more quantitative during the hazard review work process. It further illustrates that LOPA can be used as part of what is considered more qualitative analysis…
exida explains Blog
Entries tagged with: Ipls
- by Hal Thomas, CFSE
- Tuesday, August 30, 2011
- Functional Safety
PHA to LOPA: Part II
In some cases the screening methods will indicate that a SIF is needed. These screening methods can be designed to determine how many orders of magnitude risk reduction is needed, allowing a required SIL to be documented for a particular SIF. The screening…