January, 2013

201307JanAll DayCDOIF: Demonstrating Prior Use Elements of a Safety Instrumented FunctionPSF Learning Brief 002 Origin: PSF Lessons:Asset integrityLanguage:EN

Summary

The Chemical and Downstream Oil Industries Forum (CDOIF) has recently published guidance to help duty holders prepare a demonstration of ‘Prior Use’ for a component of a Safety Instrumented Function (SIF).

A simple SIF can be described as having three elements, with each element having a number of components, as follows:

Origin

PSFProcess Safety Forum

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