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http://dx.doi.org/10.3795/KSME-A.2003.27.3.416

A Study on Implementation of Risk Based Inspection Procedures to a Petrochemical Plant  

Song, Jung-Soo (중앙대학교 대학원)
Shim, Sang-Hoon (중앙대학교 대학원)
Kim, Ji-Yoon (한국가스안전공사 대구경북지사)
Yoon, Kee-Bong (중앙대학교 기계공학부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.27, no.3, 2003 , pp. 416-423 More about this Journal
Abstract
During the last ten years, the need has been increased for reducing maintenance cost for aged equipments and ensuring safety, efficiency and profitability of petrochemical and refinery plants. RBI (Risk Based Inspection) methodology is one of the most promising technologies satisfying the need in the field of integrity management. In this study, a user-friendly software, realRBl for RBI based on the API 581 code was developed. This software has modules for evaluating qualitative and semi-quantitative risk level, analyzing quantitative risks using the potential consequences of a failure of the pressure boundary, and assessing the likelihood of failure. A quantitative analysis was performed for 16 columns in a domestic NCC (Naphtha Cracking Center) plant whose operating time reaches about 12 years. Each column was considered as two equipment parts by dividing into top and bottom. Generic column failure frequencies were adjusted based on likelihood data. After determining release rate, release duration and release mass for each failure scenario, flammable/explosive and toxic consequences were assessed. Current risks for 32 equipment parts were evaluated and risk based prioritization were determined as a final result.
Keywords
Risk; Risk Based Inspection; Inventory; Pertochemical Plant;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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