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Inherently Safer Design Protocol for Process Hazard Analysis
Process Safety and Environmental Protection ( IF 6.9 ) Pub Date : 2021-05-01 , DOI: 10.1016/j.psep.2020.10.046
Kayleigh Rayner Brown , Michele Hastie , Faisal I. Khan , Paul R. Amyotte

Abstract Inherently safer design (ISD) is a component of industrial safety that focusses on the elimination and reduction of hazards using four principles – minimization, substitution, moderation and simplification. Process hazard analysis (PHA) has been identified as an opportunity to explicitly consider ISD and enhance the implementation of ISD within process safety management (PSM) frameworks. The PHA technique of interest for this study was the bow tie methodology. The objective of this work was to develop a protocol to identify ISD-based barriers in bow tie diagrams. Example-based guidance was used to identify potential ISD opportunities. The protocol was validated using a case study from Contra Costa County Health Services. Protocol validation demonstrated the ability of the protocol to identify potential ISD barriers. This protocol validation is presented in this paper. Degradation factors and controls of identified barriers, including ISD barriers, are important considerations to ensure their effectiveness. Recommended future work is further protocol validation in a predictive manner in an industrial organization.

中文翻译:

用于过程危害分析的本质上更安全的设计协议

摘要 本质安全设计 (ISD) 是工业安全的一个组成部分,它侧重于使用四个原则——最小化、替代、适度和简化——消除和减少危害。过程危害分析 (PHA) 已被确定为明确考虑 ISD 并在过程安全管理 (PSM) 框架内加强 ISD 实施的机会。本研究感兴趣的 PHA 技术是领结方法。这项工作的目的是开发一个协议来识别领结图中基于 ISD 的障碍。基于示例的指南用于识别潜在的 ISD 机会。该协议使用康特拉科斯塔县卫生服务中心的案例研究进行了验证。协议验证证明了协议识别潜在 ISD 障碍的能力。本文介绍了该协议验证。退化因素和已识别障碍(包括 ISD 障碍)的控制是确保其有效性的重要考虑因素。推荐的未来工作是在工业组织中以预测方式进一步验证协议。
更新日期:2021-05-01
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