Guidelines for Initiating Events and Independent Protection Layers in Layer of Protection Analysis

Guidelines for Initiating Events and Independent Protection Layers in Layer of Protection Analysis cover

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Author: CCPS (Center for Chemical Process Safety)

Pages: 384

Size: 985,96 Kb

Publication Date: December 31,2014

Category: Safety



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The book is helpful information for Layers of Protection Analysis (LOPA) practitioners. It offers specific help with Independent Security Layers (IPLs) that aren’t Protection Instrumented Systems (SIS).electronic. It addresses problems such as for example how exactly to ensure the performance and keep maintaining reliability for administrative handles or “inherently safer, passive” ideas. Using the LOPA methodology, businesses typically take credit for risk reductions achieved through non-SIS alternatives; administrative techniques, equipment style, etc. i.

This publication will address the way the fields of Human being Reliability Evaluation, Fault Tree Evaluation, Inherent Security, Audits and Assessments, Maintenance, and Crisis Response relate with LOPA and SIS.

The book will distinct IPL’s into categories like the subsequent:

  1. Inherent Basic safety
    • eliminates a situation or fundamentally decreases a hazard
  2. Preventive/Proactive
    • stops initiating event from occurring such as for example improved maintenance
  3. Preventive/Dynamic
    • stops chain of occasions after initiating event takes place but before an incident provides occurred such as for example higher level in a container shutting off the pump.
  4. Mitigation (energetic or passive)