Layer of Protection Analysis Worksheet Form
Document a LOPA scenario, its initiating event and consequences, protection layers, and mitigated event frequency.
Analysis Context
Facility or process unit
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Analyst name and analysis date
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LOPA scenario
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Scenario and Consequence
Initiating Event or Cause
Initiating Event Frequency (specify units and time basis)
Unmitigated Consequence
Conditional Modifiers or Enabling Conditions and Assumptions
Protection Layers and Outcome
Claimed Independent Protection Layers (IPLs)
Mitigated event frequency (identify calculation method and assumptions in recommendations)
Recommendations, follow-up actions, and calculation method or assumptions
Submit
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