Where Operational Ex Sits Inside the Work Safety System

A sensitive question from a Head of Operations: how does Operational Ex relate to work safety? Treating it as a separate compliance silo tends to isolate it from the decisions that matter. A more useful position is as a specialist operational layer inside the wider work safety and process safety system. Work safety protects people during work. Process safety controls major hazardous events. Operational Ex keeps equipment, installations, procedures and decisions in hazardous areas inside the demonstrated Ex-safe condition. That makes it the bridge between Ex engineering and daily operations.

Venn diagram showing how work safety and operational Ex overlap in safe work in hazardous areas, each with its own inputs, leading to a common outcome of safe people and Ex-safe operations.

Head of Operations asked the question about relation to worksafety in terms of Ex compliance…

Sensitive topic…

An useful positioning is to show Operational Ex as a specialist operational safety layer inside the wider Work Safety / Process Safety system, rather than as a separate compliance silo.

A hierarchy diagram from Work Safety/HSE down through explosion risk management and operational Ex to the Head of Operations' decisions, ending in maintaining a demonstrated Ex-safe condition.

The key positioning statement could be:

Work Safety protects people during work. Process Safety controls major hazardous events. Operational Ex ensures that equipment, installations, procedures and operational decisions in hazardous areas continuously remain within the demonstrated Ex-safe condition.

So Operational Ex is the bridge between Ex engineering/documentation and daily Operations. It converts HAC, EPD, certificates, inspection findings and technical requirements into actual operational decisions: Can we operate? Under what conditions? What must be corrected? Who is authorized? When must we STOP?

Where Operational Ex Sits Inside the Work Safety System

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