Optimization methods and procedures to assess industrial risks, based on time-dependent and time independent damage mechanisms as well as on the release of production- and operating materials, help to minimize or even prevent the amount of undesirable loss of production, increase safety and make risk based decisions for economical operating modes more flexible within the standards of regulating requirements.
RBI is a key tool to evaluate current inspection plans and to determine priorities for inspections of pressure equipment. By this, critical contributors to risk are identified, economic optimum levels of inspection with respect to the risks are defined and future plans for decision making are established. The essential steps of an RBI analysis, like assessment of the probability of failure (PoF) and the consequence of Failure (CoF) according to the principles of the European RIMAP methodology, as described in the CEN Workshop Agreement CWA 15740, will be discussed. Within the used approach, the effort of the analysis is rather on lifetime assessment and establishing inspections plans for equipment than on calculating effects of leakages in very much detail.

Topics:

• Legal aspects
• Overview of acquainted, international approved RBI-konzepts
• RIMAP methods
• Development of a typical RBI analyzing procedure
• Inspection planning based on risk objectives
• Introduction of TÜV Austria RIMAP-based analysis software
• Work through a case example based on the industial experience in the field of pressure equipment

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