Layers of Protection Analysis: LOPA

This workflow describes the process of performing a Layer of Protection Analysis (LOPA) by defining the initiating event, frequency of event, consequence, enabling events, safeguards, and conditional modifiers.

Hint: Select a shape with blue text for details about the step in the workflow. For more information, refer to the topic Interpreting the Workflow Diagrams.

The LOPA workflow

Related Information

Overview of the LOPA Module