Energia i regulacje · 27.05.2004

Notice of Opportunity To Comment on Model Safety Evaluation on Technical Specification Improvement Regarding Revision to the Control Rod Scram Time Testing Frequency in STS 3.1.4, “Control Rod Scram Times” for General Electric Boiling Water Reactors 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 changing the testing frequency for the surveillance requirement (SR) in Standard Technical Specifications (STS) 3.1.4, "Control Rod Scram Times." The proposed change revises the test frequency of SR 3.1.4.2, control rod scram time testing, from "120 days cumulative operation in MODE 1" to "200 days cumulative operation in MODE 1" via changes to the NUREG-1433 (BWR/4) and NUREG- 1434 (BWR/6). The Owners Group participants in the Technical Specification Task Force (TSTF) proposed this change to the STS in the Improved Standard Technical Specifications Change Traveler TSTF-460, Revision 0 \1\. This notice also includes a model no significant hazards consideration (NSHC) determination relating to this matter. ---------------------------------------------------------------------------