Document: NUREG-0800
Document ID: 223f4b43-406b-4b45-903d-f3f8e31d0b7a
Document Type: srp
Title: POTENTIAL DAM FAILURES
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0707/ML070730417.pdf
Revision Date: 2023-06
Chapter: 2
Section ID: 2.4.4
CFR Part: 
CFR Title: 

Content:
AND EVALUATIONS OF SAFETY-RELATED FACILITIES. DECIDE ON WHETHER A POTENTIAL FLOOD PROBLEM EXISTS. PERFORM REFINED ANALYSIS. EVALUATE ANSWERS AND UNDERTAKE DETAILED ANALYSIS OF CONTROLLING CASES USING CONCEPTUAL MODELS OF FAILURES, HYDRAULIC ANALYSIS OF OUTFLOW CHARACTERISTICS AND COMPUTERIZED MODELS (USACE) OF UNSTEADY FLOW, CURRENTLY ACCEPTED IN PRACTICE. DEVELOP STAFF POSITIONS. ATTEMPT TO RESOLVE DISAGREEMENTS WITH APPLICANT WRITE SER INPUT. NO. YES. REQUEST MISSING DATA. REVIEW LOCATION AND SIZES OF UPSTREAM AND DOWNSTREAM DAMS USING SAR & OTHER AVAILABLE DAM DESCRIPTIONS DETERMINE WHICH STRUCTURES (ONE OR MORE) ARE HYDROLOGICALLY CONTROLLING BASED ON SIZE AND LOCATION PERFORM CONSERVATIVE “PULL THE PLUG” ANALYSIS ASSUMING HALF PMP, MINIMAL FLOOD WAVE ATTENUATION, AND EXTRAPOLATED SITE RATING CURVE. COMPARE CONSERVATIVE ESTIMATE WITH APPLICANT’S ANALYSIS AND LOCATION AND EVALUATIONS OF SAFETY-RELATED FACILITIES. DECIDE ON WHETHER A POTENTIAL FLOOD PROBLEM EXISTS. PERFORM REFINED ANALYSIS. EVALUATE ANSWERS AND UNDERTAKE DETAILED ANALYSIS OF CONTROLLING CASES USING CONCEPTUAL MODELS OF FAILURES, HYDRAULIC ANALYSIS OF OUTFLOW CHARACTERISTICS AND COMPUTERIZED MODELS (USACE) OF UNSTEADY FLOW, CURRENTLY ACCEPTED IN PRACTICE. DEVELOP STAFF POSITIONS. ATTEMPT TO RESOLVE DISAGREEMENTS WITH APPLICANT WRITE SER INPUT. NO. YES. REQUEST MISSING DATA. Figure 2.4.4-1. Standard Review Plan Section 2.4.4 Dam Failure-Induced Floods