Ten Fingers and Ten Toes: Applying Machinery Safety Principles in a Process Plant
When performing risk assessments on process equipment, are you reviewing machinery as well?
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Acronyms & Terms Glossary
Probability of Failure on Demand (PFD)
The probability that a system will fail to perform a specified function on demand (i.e., when challenged or needed). Independent Protection Layers (IPLs) are assigned a PFD based on industry or site-specific data.
Refer to Safety Integrity Level (SIL) Calculations and Risk Reduction Factor definition.
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