Layer of Protection Analysis (LOPA) | AIChE

Layer of Protection Analysis (LOPA)

A practical, rule-based approach to assessing and managing process risk.

This course provides a comprehensive, application-focused introduction to Layers of Protection Analysis (LOPA), a globally recognized method for evaluation process risk. You’ll learn how to identify scenarios. Assess protective layers, and apply LOPA principles to strengthen safety and reliability in your operations.

You will gain the skills to

  • Understand the fundamentals of LOPA and its role in process risk analysis

  • Identify and select potential incident scenarios for LOPA studies

  • Apply enabling conditions and conditional modifiers effectively

  • Assess the likelihood of ignition and other critical risk-influencing factors

  • Plan, execute, and manage a complete LOPA study, including documentation best practices

  • Use LOPA to support safer, more reliable decision making in real-world operations

Who Should Attend

Hazard evaluation teams, dedicated site or corporate LOPA teams, those who manage LOPAs as well as expert analysts and safety teams.

Unit One

Lecture One: Introductions

Lecture Two: LOPA Scenarios

Lecture Three: Target Risks, Scenario Impacts

Lecture Four: Initiating Events, Enabling Conditions

Unit Two

Lecture One: Independent Protection Layers

Lecture Two: Conditional Modifiers

Lecture Three: Documentation Options, Examples

Lecture Four: Implementing Actions; Updating LOPAs

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  • Course ID:
    ELA109
  • Source:
    CCPS - Center for Chemical Process Safety
  • Language:
    English
  • Skill Level:
    Intermediate
  • Duration:
    8 hours
  • CEUs:
    0.80
  • PDHs:
    8.00
  • Accrediting Agencies:
    RCEP