Document: NUREG-0800
Document ID: 122fd05c-21bf-4590-a927-328d9ae856bb
Document Type: srp
Title: and 2.4.11.
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0523/ML052340561.pdf
Revision Date: 2023-06
Chapter: 2
Section ID: 2.4.1
CFR Part: 
CFR Title: 

Content:
n such situations. Three communication networks are available to the applicant: (1) the applicant's own microwave network; (2) the applicant's own powerline carrier system; and (3) the commercial Bell telephone system. The staff finds that both the applicant's proposed emergency flood protection plan and corresponding plant shutdown technical specifica- tion meet the criteria of Regulatory Guides 1.59 and 1.102 and are acceptable from a hydrologic engineering standpoint. Technical specifi- cations for plant shutdown to minimize the possibility of an accident resulting from hydrologically associated phenomena other than floods are not necessary, since such phenomena should have inconsequential effects upon safety-related facilities. V. IMPLEMENTATION The following is intended to provide guidance to applicants and licensees regarding the NRC staff's plans for using this SRP Section. Except in those 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. Implementation schedules for conformance to parts of the method discussed herein are contained in the reference regulatory guides. VI. REFERENCES Data and information presented in, or derived from, previous SRP sections in the 2.4 series provide the basic reference material for this section. 1. 10 CFR Part 50, §50.36, "Technical Specifications." 2. 10 CFR Part 50, Appendix A, General Design Criterion 2, "Design Bases for Protection Against Natural Phenomena." 2.4.14-4 Rev. 2 - July 1981 3. Regulatory Guide 1.59, "Design Basis Floods for Nuclear Power Plants." 4. ANSI N170, "Standards for Determining Design Basis Flooding at Power Reactor Sites" (1976). l 5. Regulatory Guide 1.102, "Flood Protection for Nuclear Power Plants." 2.4.14-5 Rev. 2 - July 1q81