Fig. 1. Overview of RBDA process.
Fig. 2. Target reliability by CSA Z662[5].
Fig. 3. Procedures for determining surviving defects following inspection, excavation and repair.
Fig. 5. CPMS program partial screen.
Fig. 6. Composition of risk-based ranking program.
Fig. 8. Change the inspection order of piping by risk ranking(example).
Fig. 7. Factor management for calculating risk.
Fig. 8. Ranking result by risk calculation.
Table 1. Criteria for computation of risk ranking
Table 2. Input values for basic events of fault tree
Table 3. Input variable distributions for mechanical damage[11]
Table 4. Input variable distributions for external corrosion
참고문헌
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- ISO 16708, "Petroleum and natural gas industries - Pipeline transportation systems - Reliability-based limit state methods", International Organization for Standardization, (2006)
- CSA Z662-15 "Oil and gas pipeline systems", Canadian Standards Association, (2007)
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