Process Safety LOPA Operational Risk Assessment PFD Functional Safety Engineering Decision Support Process Safety LOPA Operational Risk Assessment PFD Functional Safety Engineering Decision Support

Technical Videos

Practical explanations and engineering examples designed for real-world process safety understanding.

Process Safety / ORA

Downgraded Situation RA / Operational Risk Assessment (ORA) — Worked Example

Worked example covering loss of a SIL 2 function, HAZOP and LOPA review, IPL independence, and compensatory risk reduction measures.

LOPA / IPLs

Why Won't the Risk Drop to Green? The Difference Between Safeguards and IPLs

Explanation of why safeguards such as alarms, procedures, training, and Fire & Gas systems may not reduce calculated risk in LOPA.

Functional Safety / PFD

What is PFD? Probability of Failure on Demand Explained Simply

Simple explanation of Probability of Failure on Demand using an emergency-call analogy to explain how safety systems may fail when they are actually needed.

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