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Safety-II and Resilience Engineering in a Nutshell: An Introductory Guide to Their Concepts and Methods.

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  • 1Department of Industrial Engineering, Chonnam National University, Republic of Korea.

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Summary
This summary is machine-generated.

Safety-II and resilience engineering offer proactive approaches to safety management by considering performance variability, unlike traditional Safety-I methods. This guide helps safety professionals understand these concepts for complex systems.

Keywords:
FRAMResilienceResilience engineeringSafety-ISafety-II

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Area of Science:

  • Industrial safety
  • Socio-technical systems analysis
  • Risk management

Background:

  • Traditional safety concepts (Safety-I) are limited in complex socio-technical systems.
  • Safety-II and resilience engineering have emerged as alternatives over the past two decades.
  • Safety professionals require guidance to understand and implement these newer safety paradigms.

Purpose of the Study:

  • To explain the limitations of Safety-I.
  • To introduce Safety-II and resilience engineering concepts.
  • To provide a guide for safety professionals to grasp these concepts in relation to their current practices.

Main Methods:

  • Discussing the limitations of Safety-I and how Safety-II addresses them.
  • Describing the core concepts of resilience engineering.
  • Explaining the Functional Resonance Analysis Method (FRAM).

Main Results:

  • Workers' performance adjustments and variability are crucial for understanding accidents in socio-technical systems.
  • Successful and failed work performance share common causes, often overlooked by Safety-I.
  • Safety-II and resilience engineering provide systematic approaches to account for performance variability.

Conclusions:

  • A shift from reactive (find-and-fix) to proactive safety management is necessary.
  • Safety-II and resilience engineering offer valuable concepts and methods for proactive safety.
  • Safety-I methods can still be appropriately utilized when applicable.