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:
sion'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 sections of the Standard Format have a corresponding review plan. Published standard review plans will be revised periodically, as appropriate, to accommodate comments and to reflect new informa- tion and experience. Comments and suggestions for improvement will be considered and should be sent to the U.S. Nuclear Regulatory Commission, Office of Nuclear Reactor Regulation. Washington. D.C. 2 . To meet the requirements of GDC 2, GDC 44, and 10 CFR Part 100 as they relate to channel diversions-, the-following specific criteria are used.,. 1. A description of the applicability (potential adverse effects) of stream channel diversions is required. 2. Historical diversions and realignments must be discussed. 3. The topography and geology of the basin and its applicability to natural stream channel diversions must be addressed. 4. If applicable, the safety consequences of diversion and the potential for high or low water levels caused by upstream or.downstream diversion adversely to affect safety-related facilities, water supply or ultimate heat sink must be addressed. Regulatory Guide 1.27 provides guidance on acceptable criteria for ultimate heat sinks. III. REVIEW PROCEDURES Site-specific publications and maps are reviewed to identify historical channel diversions and evaluate (by independent conservative calculations and profes- sional judgment) the potential for future-diversions. Where an alternate safety-related cooling water supply is provided, the criteria for SAR Section