Document: NUREG-0800
Document ID: 1df526d9-2ae0-4da2-b936-2e24b038ca8c
Document Type: srp
Title: DIVERSE INSTRUMENTATION AND CONTROL SYSTEMS
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0706/ML070650035.pdf
Revision Date: 2023-06
Chapter: 7
Section ID: 7.8
CFR Part: 
CFR Title: 

Content:
tion, the scope of the review is dependent on whether the COL applicant references a DC, an ESP or other NRC approvals (e.g., manufacturing license, site suitability report or topical report). • For review of both DC and COL applications, SRP Section 14.3 should be followed for the review of ITAAC. The review of ITAAC cannot be completed until after the completion of this section. IV. EVALUATION FINDINGS The reviewer verifies that the applicant has provided sufficient information and that the review and calculations (if applicable) support conclusions of the following type to be included in the staff's safety evaluation report. The reviewer also states the bases for those conclusions. 1. Evaluation findings applicable to any diverse I&C system: The staff conducted a review of these systems for conformance to the guidelines in the regulatory guides and industry codes and standards applicable to these systems. The staff concludes that the applicant/licensee adequately classified and identified the guidelines applicable to these systems. Based on the review of the system design for 7.8-9 Revision 5 - March 2007 conformance to the guidelines, the staff finds there is reasonable assurance the systems fully conform to the guidelines applicable to these systems. Therefore, the staff finds that the applicable requirements of GDC 1 and 10 CFR 50.55a(a)1 have been met. The diverse I&C systems are appropriately isolated from safety systems. Therefore, the staff concludes that the independence of these systems from safety systems satisfies the requirements of 10 CFR 50.55a(h) and GDC 24. Based on the applicant/licensee’s commitment to the quality assurance guidance of Generic Letter 85-06 and review of the design of the diverse I&C systems, the staff finds that the quality assurance requirements of GDC 1 have been met. Based on the review of diverse I&C system status information, manual initiation capabilities, and provisions to support safe shutdown, the staff concludes