Layer of Protection Analysis (LOPA)

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    8 hours
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This online course, updated to conform with the newest (2015) edition of the CCPS Publication: Guidelines for Initiating Events and Independent Protection Layers in Layer of Protection Analysis, presents the Layer of Protection Analysis (LOPA) methodology used worldwide in the process industries for simplified, rule-based risk analysis. The course covers the basic LOPA approach to selecting and analyzing potential incident scenarios.

You will learn the finer points of topics such as enabling conditions and conditional modifiers, and the logistical aspects of planning and executing a LOPA study including documentation and program management. You’ll also gain CCPS guidance on initiating events, independent protection layers, enabling conditions and conditional modifiers - including the likelihood of ignition.

This course may be taken as part of the AIChE Credential for Sustainability Professionals (ACSP). More info


Robert W. Johnson

Mr. Johnson is a Fellow of AIChE and an industry leader in the development and dissemination of risk analysis methods and risk management strategies. Since 1978, Mr. Johnson has helped clients prioritize risk reduction options, develop corporate and plant technical safety programs, identify inherently safer processes, train PHA team leaders, and analyze fire, explosion, and toxic release hazards.

Mr. Johnson teaches AIChE continuing education courses on HAZOP Studies and on Advanced Concepts for Process Hazard Analysis, and teaches process safety in the Chemical and Biomolecular...Read more


AIChE Members $595.00
AIChE Grad Student Members $297.50
AIChE Undergrad Student Members $297.50
Non-Members $895.00


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