Potential advantages associated with implementing a risk-based inspection program by a nuclear facility

Alexander McNeill III; Kenneth R. Balkey

doi:10.1117/12.209354

12 May 1995 Potential advantages associated with implementing a risk-based inspection program by a nuclear facility

Alexander McNeill III, Kenneth R. Balkey

Proceedings Volume 2454, Nondestructive Evaluation of Aging Utilities; (1995) https://doi.org/10.1117/12.209354
Event: Nondestructive Evaluation of Aging Infrastructure, 1995, Oakland, CA, United States

Abstract

The current inservice inspection activities at a U.S. nuclear facility are based upon the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code, Section XI. The Code selects examination locations based upon a sampling criteria which includes component geometry, stress, and usage among other criteria. This can result in a significant number of required examinations. As a result of regulatory action each nuclear facility has conducted probabilistic risk assessments (PRA) or individual plant examinations (IPE), producing plant specific risk-based information. Several initiatives have been introduced to apply this new plant risk information. Among these initiatives is risk-based inservice inspection. A code case has been introduced for piping inspections based upon this new risk- based technology. This effort brought forward to the ASME Section XI Code committee, has been initiated and championed by the ASME Research Task Force on Risk-Based Inspection Guidelines -- LWR Nuclear Power Plant Application. Preliminary assessments associated with the code case have revealed that potential advantages exist in a risk-based inservice inspection program with regard to a number of exams, risk, personnel exposure, and cost.

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Alexander McNeill III and Kenneth R. Balkey "Potential advantages associated with implementing a risk-based inspection program by a nuclear facility", Proc. SPIE 2454, Nondestructive Evaluation of Aging Utilities, (12 May 1995); https://doi.org/10.1117/12.209354

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