Document: NUREG-0800
Document ID: ceb707d2-e0b7-42f4-9f84-3224c954a501
Document Type: srp
Title: CHANNEL DIVERSIONS
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0523/ML052340551.pdf
Revision Date: 2023-06
Chapter: 2
Section ID: 2.4.9
CFR Part: 
CFR Title: 

Content:
REVIEW RESPONSIBILITIES Primary - Hydrologic and Geotechnical Engineering Branch (HGEB) Secondary - None 1. AREAS OF REVIEW In this section of the applicant's safety analysis report (SAR) the geohydrologic design basis is developed to assure that the plant and essential water supplies will not be adversely affected by natural stream channel diversion, or that in such an event, alternate water supplies are available to safety-related equipment. The review includes: 1. Historical channel diversions, including cutoffs and subsidence. 2. Regional topographic evidence which suggests that future channel diversion may or may not occur (used in conjunction with evidence of historical diversions). 3. Alternate water sources and operating procedures (coordinate review with that of SAR Section 2.4.11.6). II. ACCEPTANCE CRITERIA Acceptance criteria for this SRP section relate to the following regulations: 1. General Design Criterion 2 (GDC 2) requires that structures, systems, and components important to safety be designed to withstand floods. 2. General Design Criterion 44 (GDC 44) requires an ultimate heat sink capable of accepting the plant's heat load under normal and accident conditions. 3. 10 CFR Part 100 requires that hydrological characteristics be considered in the evaluation of the site. Rev. 2 - July 1981 USNRC STANDARD REVIEW PLAN Standard review plans are prepared for the guidance of the Office of Nuclear Reactor Regulation staff responsible for the review of applications to construct and operate nuclear power plants. These documents are made available to the public as part of the Commson's policy to inform the nuclear Industry and the general public of regulatory procedures and policies. Standard review plans are not substitutes for regulatory guides or the Commission's regulations and compliance with them Is not required. The standard review plan sections are keyed to the Standard Format and Content of Safety Analysis Reports for Nuclear Power Plants. Not all