Document: NUREG-0800
Document ID: a8853b5a-7119-4e4d-8880-496c64ff5b6c
Document Type: srp
Title: INSTRUMENTATION AND CONTROLS - INTRODUCTION
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1602/ML16020A050.pdf
Revision Date: 2023-06
Chapter: 7
Section ID: 7.1
CFR Part: 
CFR Title: 

Content:
ted systems. 2. The regulatory requirements applicable to each of the I&C systems important to safety are reviewed to confirm that the applicant has appropriately identified requirements applicable to each I&C system. Subsections 1 and 2 of SRP Appendix 7.1-A identify the requirements applicable to the I&C systems important to safety and describe the method and scope of the review to verify conformance. 3. The guidelines applicable to each of the I&C systems important to safety are reviewed to confirm that the appropriate guidelines have been identified for each system. Subsections 3, 4, and 5 of SRP Appendix 7.1-A identify the guidelines applicable to the I&C systems important to safety and describe the method and scope of the review to verify conformance. 4. When the applicant or licensee takes exceptions to the guidelines applicable to I&C systems important to safety, the bases for such exceptions are reviewed to confirm that they are acceptable. The bases for the exceptions to the guidelines should demonstrate 7.1-9 Revision 6 - August 2016 that a significant reduction in the margin of safety does not result and that the exceptions do not result in nonconformance to the requirements of the acceptance criteria. 5. When the applicant or licensee proposes I&C systems that incorporate digital computers, the review includes the supplemental guidance for digital computer-based systems described in SRP Appendix 7.1-D. SRP Appendix 7.0-A, “Review Process for Digital Instrumentation and Control Systems,” describes the review process. 6. The review includes the I&C systems important to safety that are identified as identical to systems that have been reviewed and approved by the staff. The evaluation of these systems in subsequent sections of Chapter 7 is based on prior staff approval. When differences exist between prior approvals, the differences should be identified and the review should confirm that an adequate basis has been provided. The review should include an