Document: NUREG-0800
Document ID: d3619a55-efe4-419a-9ccd-6a1d63928d7c
Document Type: srp
Title: REACTOR TRIP SYSTEM
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0705/ML070550083.pdf
Revision Date: 2023-06
Chapter: 7
Section ID: 7.2
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Content:
rovides SRP acceptance criteria for safety system compliance with 10 CFR 50.55a(h). 2. SRP Appendix 7.1-B provides SRP acceptance criteria for protection system compliance with 10 CFR 50.55a(h)(2). 3. IEEE Std 7-4.3.2-2003, “IEEE Standard Criteria for Digital Computers in Safety Systems of Nuclear Power Generating Stations,” as endorsed by Regulatory Guide 1.152, Revision 2, “Criteria for Use of Computers in Safety Systems of Nuclear Power Plants,” provides guidance on applying the safety system criteria to computer-based safety systems. SRP Appendix 7.1-D provides SRP acceptance criteria for safety and protection systems using digital computer-based technology. 4. Item II.Q, “Defense Against Common-Mode Failures in Digital Instrument and Control Systems,” of the Staff Requirements Memorandum on SECY-93-087, “Policy, Technical, and Licensing Issues Pertaining to Evolutionary and Advanced Light Water Reactor (ALWR) Designs,” provides guidance on Diversity and Defense-in-Depth. SRP BTP 7-19 provides additional guidance. III. REVIEW PROCEDURES The reviewer will select material from the procedures described below, as may be appropriate for a particular case. Typical reasons for a non-uniform emphasis are the introduction of new design features or the utilization in the design of features previously reviewed and found acceptable. These review procedures are based on the identified SRP acceptance criteria. For deviations from these specific acceptance criteria, the staff should review the applicant’s evaluation of how the proposed alternatives to the SRP criteria provide an acceptable method of complying with the relevant NRC requirements identified in Subsection II. 7.2-5 Revision 5 - March 2007 SRP Section 7.1 describes the general procedures to be followed in reviewing any instrumentation and control system. This part of SRP Section 7.2 highlights specific topics that should be emphasized in the RTS review. 1. The review should include an evaluation