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Estimation of Effect Zone for the Establishment of Damage-Minimizing Plan of Chemical Plants

화학공장의 사고피해 최소화 대책수립을 위한 영향범위 평가

  • Received : 2011.02.18
  • Accepted : 2011.04.07
  • Published : 2011.04.30

Abstract

As a way to propose a method for the establishment of practical damage-minimizing plan for chemical plants, the release scenario was established by using API-581 BRD and the effect zone was estimated by the KS-RBI program supporting the quantitative cause analysis. And the risk assessment was performed. As a result, we found that to minimize the damage of a chemical plant, it is effective to use four release hole diameters (small, medium, large and rupture) and release time estimated according to the classes of detection and isolation systems. In addition, it can be safely said that through appling the damage areas considering weighted average by failure frequency and worst-case simultaneously, industrial sites can come up with the effective emergency response plan.

화학공장에서 현실적인 사고피해 최소화 대책수립 방법을 제시하기 위하여 API-581 절차를 이용하여 누출 시 나리오를 설정하고, 정량적 원인분석이 가능한 한국형 위험기반검사(KS-RBI) 프로그램을 사용하여 사고 영향범위를 산출하였다. 그리고 위험성 평가를 실시하였다. 그 결과, 화학공장의 사고피해를 최소화하기 위해서는 4가지 누출공의 크기(소, 중, 대 및 파열)와 검출 및 차단 시스템의 등급에 따른 누출시간을 사용하고, 고장빈도에 의한 가중평균과 최악의 누출의 경우를 동시에 고려한 피해면적을 산출하여 비상조치계획을 수립하는 것이 바람직하였다.

Keywords

References

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