Document: NUREG-0800
Document ID: a2680f96-0e15-402d-89ab-688ff09806a8
Document Type: srp
Title: with respect to the specified station blackout event/duration.13
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070497.pdf
Revision Date: 2023-06
Chapter: 8
Section ID: 8.3.2
CFR Part: 
CFR Title: 

Content:
e offsite preferred power system, and the onsite power system. 4. The applicant’s overall compliance with the requirements of 10 CFR 50.63 is discussed in Section 8.4 of the safety evaluation report (SER). (Use the following finding if an AAC source is proposed) The applicant has met the requirement of 10 CFR 50.63, "Loss of All Alternating Current Power," with respect to the adequacy of the AAC power source provided for safe shutdown (non-DBA) in the event of a station blackout and the independence of the AAC source from offsite DRAFT Rev. 4 - April 1996 8.2-16 power systems and onsite power sources. In compliance with the relevant guidance of Regulatory Guide 1.155, the offsite AAC power source is located at or near the plant, has sufficient capacity, capability, and reliability to achieve and maintain safe shutdown (non-DBA), and is adequately independent from onsite safety-related and preferred power systems, and thus satisfies the definition for an acceptable AAC source as specified in 10 CFR 50.2.89 For design certification reviews, the findings will also summarize, to the extent that the review is not discussed in other safety evaluation report sections, the staff’s evaluation of inspections, tests, analyses, and acceptance criteria (ITAAC), including design acceptance criteria (DAC), site interface requirements, and combined license action items that are relevant to this SRP section.90 V. IMPLEMENTATION The following is intended to provide guidance to applicants and licensees regarding the NRC staff's plans for using this SRP section. This SRP section will be used by the staff when performing safety evaluations of license applications submitted by applicants pursuant to 10 CFR 50 or 10 CFR 52. Except in those 91 cases in which the applicant proposes an acceptable alternative method for complying with specified portions of the Commission's regulations, the method described herein will be used by the staff in its evaluation of conformance with Commission