Document: NUREG-0800
Document ID: 7bdf9a80-e0a1-48fe-a048-0d2501e0ff68
Document Type: srp
Title: EMERGENCY DIESEL ENGINE COMBUSTION AIR INTAKE AND EXHAUST
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070573.pdf
Revision Date: 2023-06
Chapter: 9
Section ID: 9.5.8
CFR Part: 
CFR Title: 

Content:
ssociated (DEMA) Standard. If the applicant proposes to designate an emergency diesel generator as the AAC source in response to a station blackout event, the following finding should be included: The applicant has met the requirements of 10 CFR Part 50.63, "Loss of All Alternating Current Power," relevant to the design of the EDECAIES for the Alternate ac power source. The EDECAIES for the Alternate ac power source can perform its functions for its associated diesel generator independent of preferred and onsite emergency ac power for the specified duration of the station blackout. This meets the applicable positions of Regulatory Guide 1.155 "Station Blackout."57 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.58 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 59 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 regulations. The provisions of this SRP section apply to reviews of applications docketed six months or more after the date of issuance of this SRP section.60 Implementation schedules for conformance to parts of the method discussed herein are contained in the referenced regulatory guides and NUREG. The implementation schedule for the new position in