Document: NUREG-0800
Document ID: 22df8787-ae92-4706-b796-d1b326c09e3c
Document Type: srp
Title: POTENTIAL DAM FAILURES
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0523/ML052340533.pdf
Revision Date: 2023-06
Chapter: 2
Section ID: 2.4.4
CFR Part: 
CFR Title: 

Content:
analysis is repeated using a more refined technique which may include time rate of failure and hydrometeorologically compatible storm centerings. Detailed failure models, such as those of the Corps of Engineers and the Tennessee Valley Authority, are utilized to identify the outflows from various failure modes. Models of the Corps of Engineers or the Tennessee Valley Authority are used to identify the outflow characteristics and resultant water level at the site (Refs. 7, 11, 12, 16, 17 and 18). The staff will develop a position based on 2.4.4-3 Rev. 2 - July 1981 the analyses performed; resolve, if possible, differences between the applicant's and staff's estimates; and write the SER input accordingly. The above reviews are performed only when applicable to the site or site region. Some items of review may be done on a generic basis. IV. EVALUATION FINDINGS For construction permit (CP) reviews, the findings will summarize the applicant and staff evaluations in compliance with GDC 2, 10 CFR Part 100 and 10 CFR Part 100, Appendix A, of the design basis maximum and minimum water levels caused by poten- tial dam failures. If the applicant's estimates are within acceptable margins (described in subsection II), staff concurrence in the applicant's estimates will be stated. If the applicant's estimates are not within acceptable margins, and if the plant may be adversely affected, a position requiring use of the staff bases will be stated. If no dam failure review was undertaken at the construction permit stage (of the scope described), this fact will be indicated. For operating license (OL) reviews of cases.for which detailed potential dam failure analyses were made during the CP review, the CP-stage conclusions will be referenced. In addition, any further review done to reaffirm the maximum or minimum water levels based on any new information will be described and the results and conclusions stated. Sample statements for CP reviews follow: The staff concludes that the