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LOPA Enabling Conditions for the Application of Law Research
Pages: 41-44
Year: Issue:  7
Journal: Safety Health & Environment

Keyword:  protective layer analysisenabling conditionindependent protective layerinitial incident;
Abstract: LOPA indicates requiring introducing enabling conditions to revise the frequency of the occurrence of the initial incident to manifest the scene risk rationally. Based on the international related studies on enabling conditions in the recent years,the fundamental mechanism and application conditions of the enabling conditions for production model and the seasonal environmental risk and intermittent process risk ones are introduced. Meanwhile,the influences of the peak risk enabling conditions on risk evaluation result are analyzed,thus the concrete requirements and limiting factors of various enabling conditions applied under the complicated scenes are summed up.Eventually,a series of unified application rules of enabling condition are built from 6 aspects of the application of enabling conditions,including basic premise,type selection, quantization rule, peak risk,common cause failure and data support so as to provide reference for engineering design and technical management staffs to conduct LOPA analysis.
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