Issue 9: Reevaluation of Reactor Coolant Pump Trip Criteria
DESCRIPTION
Under the scope of the TMI Action Plan Item II.K.3 in NUREG-0660,[1]the NRC Bulletin and Orders Task Force conducted generic reviews of the loss-of-feedw
Issue 8: Inadvertent Actuation of Safety Injection in PWRs
DESCRIPTION
Historical Background
This concern was identified by the ACRS as a result of their review[1]of LERs covering a period from 1976 through 1978 and,
Issue 7: Failures Due to Flow-Induced Vibrations
DESCRIPTION
Background
Flow-induced vibrations caused by vortex shedding resulting from rapid area change, buffeting due to random flow turbulence, fluid structures interaction instabili
Issue 6: Separation of Control Rod from Its Drive and BWR High Rod Worth Events
DESCRIPTION
BWRs are operated in such a manner as to attempt to produce an axial power distribution with as little peaking as possible.
Issue 5: Design Check and Audit of Balance-of-Plant Equipment
DESCRIPTION
The concern of this issue involves the requirement for verification that the balance-of-plant equipment satisfies the design intent.
Issue 4: End-of-Life and Maintenance Criteria
DESCRIPTION
Historical Background
The exact scope of this issue is unclear and SPEB has used the following interpretation in its evaluation. Based
Issue 3: Set Point Drift in Instrumentation
DESCRIPTION
Historical Background
This issue is identified in Appendix D of NUREG-0572[1]and is one of the key observations ma
Issue 2: Failure of Protective Devices on Essential Equipment
DESCRIPTION
Background
This issue was identified[1]after a review of LERs involving the failure or degraded performance of essential equipment that resulted
Issue 1: Failures in Air-Monitoring, Air-Cleaning, and Ventilating Systems
DESCRIPTION
Historical Background
This issue is identified in Appendix D of NUREG-0572[1]and is one of the key observations made after the ACRS requested its
Section 3. New Generic Issues
This section contains a compilation of issues that are not listed in any single report.