If you own or operate any electrical / electronic or programmable system that has safety functions with a SIL (safety integrity level) rating, then you need to conduct periodic functional safety audit or FSA 4.I hear you say, “functional safety audits and functional safety assessments are not a requirement, our installation pre-dates these new-fangled standards!”. Read

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Hazardous process industry sites must carry out periodic functional safety assessment (FSA) of safety instrumented systems. But why?   Many hazardous process industry sites have viewed Functional Safety Assessment (FSA) as a project activity to be completed when a new safety instrumented system (SIS) gets installed, and of course, that is absolutely correct. Some have also

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