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This course is designed to introduce the chemical engineering student to Layer of Protection Analysis (LOPA), a simplified, semi-qualitative risk analysis method. The student is introduced to the concepts of risk, initiating events, layers of protection, safeguards, conditional modifiers, enabling events and tolerable risk. These concepts are illustrated through examples including several example LOPAs .
After taking this course the student should be able to participate in a LOPA and understand the LOPA methodology.
Please note that ELA980 has replaced ELA903: SAChE® Certificate Program - Risk Assessment.
Unit 1:
- Describe when in the life cycle of a chemical process LOPA can be used and in what situations LOPA can be helpful
- Describe the LOPA process and the common elements of a LOPA
Unit 2:
- Describe the seven core attributes that are characteristics of an effective independent protecion layer, or IPL
Unit 3:
- Describe enabling conditions and conditional modifiers
- Give examples of each
- Explain when they can be used in LOPA
This advanced course is for upper-level chemical engineering undergraduate students that have had some exposure to process safety.
The course should be taken by those interested in risk analysis as applied in the chemical industry. Prerequisites to the course is a basic understanding of chemical hazards and their contribution to major process safety incidents.
Students are encouraged to take the Level 2 (intermediate) courses or become familiar with the subjects covered by the Level 2 courses by other means before taking this course.
Unit 1: LOPA Process
- Describe when in the life cycle of a chemical process LOPA can be used and in what situations LOPA can be helpful
- Describe the LOPA process and the common elements of a LOPA
Unit 2: Core Attributes of Independent Protection Layers
- Describe the seven core attributes that are characteristics of an effective independent protection layer, or IPL
Unit 3: Enabling Conditions and Conditional Modifiers
- Describe enabling conditions and conditional modifiers
- Give examples of each
- Explain when they can be used in LOPA
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