Process Safety Vs Personal Safety - IOSH · Process safetyis a blend of engineering and management skills focused on preventing catastrophic accidents, particularly explosions, fires,
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Process Safety Vs Personal SafetyConsequence
Likelihood
Chlorine
H2S
Flourisilic Acid
Manual handling
Biogas
Work at Height
Slips & trips
Lone Working
Process Safety
Personal Safety
Major off-site incident
Major onsite incident
Minor onsite incident
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Process safety is a blend of engineering and management skills focused on preventing
catastrophic accidents, particularly explosions, fires, and toxic releases, associated with the use
of chemicals and petroleum products
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Quick memory
test
World wide Process Safety Events
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Examples
Level probe not working
High High Alarm triggered
Minor spill to soakaway / watercourse
Catastrophic tank failure
Layers of Protection
Miss-fill
Hazard
Near Miss
Incident
Major Incident
Chemical specific inlet connection
Interlocked two way bund drain
High level alarm
High High level alarm
Automatic shut-off triggered by
sensors
Overflow
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Swiss cheese again?
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Who remembers…
Snore
Wake
Blanket
Sleep
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