Energia i regulacje · 24/06/2003

Notice of Opportunity To Comment on Model Safety Evaluation on Technical Specification Improvement Regarding Extension of Reactor Coolant Pump Motor Flywheel Examination for Westinghouse Plants Using the Consolidated Line Item Improvement Process

Notice is hereby given that the staff of the Nuclear Regulatory Commission (NRC) has prepared a model safety evaluation (SE) relating to a change in the technical specification (TS) required inspection interval for reactor coolant pump (RCP) flywheels at Westinghouse-designed reactors. This change was proposed for incorporation into the Standard Technical Specifications (STS) for Westinghouse Plants (NUREG-1431) by the Westinghouse Owners Group (WOG) participants in the Nuclear Energy Institute's Technical Specification Task Force (TSTF), and is designated as TSTF-421, Revision 0. The proposed change to the TS would extend the RCP motor flywheel examination frequency from the currently approved 10-year inspection interval, to an interval not to exceed 20 years. The allowed extension in the inspection interval would allow licensees to improve their coordination of the flywheel examination with planned RCP refurbishments. The NRC staff has also prepared a model no significant hazards consideration (NSHC) determination relating to this matter. The purpose of this model is to permit the NRC to efficiently process amendments that propose to incorporate this change into plant-specific TS