Energia i regulacje · 22.05.1995

Proposed Generic Communication Testing of Safety-Related Logic Circuits

The Nuclear Regulatory Commission (NRC) is proposing to issue a generic letter concerning problems with the testing of safety-related logic circuits. This draft generic letter requests addresses to review surveillance procedures to determine whether any of the procedures fail to test all required portions of the logic circuitry and, if any problems are found, to correct the problems. The NRC is seeking comment from interested parties regarding both the technical and regulatory aspects of the proposed generic letter presented under the Supplementary Information heading. This proposed generic letter and supporting documentation were discussed in meeting number 272 of the Committee to Review Generic Requirements (CRGR) on April 25, 1995. The relevant information that was sent to the CRGR to support their review of the proposed generic letter will be made available in the NRC Public Document Room. The NRC will consider comments received from interested parties in the final evaluation of the proposed generic letter. The NRC's final evaluation will include a review of the technical position and, when appropriate, an analysis of the value/impact on licensees. Should this generic letter be