Скачать или смотреть Layer of Protection Analysis (LOPA) | The Bridge from HAZOP to SIL

Do we have enough safeguards? Is our risk tolerable? In this video, we dive deep into Layer of Protection Analysis (LOPA), the industry-standard semi-quantitative method used to answer these critical questions. We explore how LOPA serves as the vital bridge between qualitative Process Hazard Analysis (like HAZOP) and the mathematical precision of SIL verification.

🔍 In this session, you will learn:

The core philosophy of LOPA and the "Onion Model" of defense.

How to differentiate between a standard safeguard and a true Independent Protection Layer (IPL).

The strict criteria for IPLs: Specificity, Independence, and Auditability.

How to calculate the Risk Gap and determine the required Risk Reduction Factor (RRF).

How LOPA outputs directly dictate the Safety Integrity Level (SIL) for your instrumented systems.

Whether you are a Process Engineer, Functional Safety Engineer, or Instrumentation Technician, this guide breaks down the complex math of risk assessment into actionable engineering logic.

Timeline: 0:00 - Introduction to Functional Safety 1:00 - The Concept of Risk & The Onion Model 3:00 - What is LOPA? (Definition & Workflow) 5:30 - Identifying Initiating Events & Frequencies 7:00 - Conditional Modifiers (Ignition, Occupancy) 9:00 - What Qualifies as an IPL? (The 3 Rules) 12:00 - Calculating the Gap & Target SIL 14:00 - Common Pitfalls & Conclusion

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