Risk based ISI application to a boiling water reactor

Conference · Sat Nov 30 23:00:00 EST 1996

OSTI ID:404249

Smith, A ^[1]; Dimitrijevic, V B; O`Regan, P J ^[2]

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1. New York Power Authority, White Plains, NY (United States)
2. Yankee Atomic Electric Co., Bolton, MA (United States)

The ASME Section XI Working Group on Implementation of Risk-Based Examination produced a code case to define risk-based selection rules that could be used for In-Service Inspection (ISI) of Class 1, 2, and 3 piping. To provide guidelines for practical implementation of the code case, EPRI sponsored work to develop evaluation procedures and criteria. As part of an EPRI sponsored pilot study, these procedures have been applied to a BWR plant. Piping within the scope of the existing Section XI program has been analyzed. The results of this effort indicate that implementation of RBISI programs can significantly reduce the cost and radiation exposure associated with in-service inspections. The revised program was compared to the previous program and a net gain in safety benefit was demonstrated.

• OSTI ID: 404249
• Report Number(s): CONF-960706--; ISBN 0-7918-1786-5
• Country of Publication: United States
• Language: English

Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
22 GENERAL STUDIES OF NUCLEAR REACTORS
BWR TYPE REACTORS
CORE SPRAY SYSTEMS
DAMAGE
IN-SERVICE INSPECTION
PIPES
RISK ASSESSMENT
STANDARDS