ML21237A137

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Enclosure 1: Callaway, Unit 1, Amendment Request Regarding Risk-Informed Approach to Closure of Generic Safety Issue 191 - Baseline Weld Input
ML21237A137
Person / Time
Site: Callaway Ameren icon.png
Issue date: 08/23/2021
From:
Ameren Missouri
To:
Office of Nuclear Reactor Regulation
Shared Package
ML21237A135 List:
References
ULNRC-06683
Download: ML21237A137 (12)


Text

ULNRC-0 6683

Enclosure 1 to ULNRC-06683

Callaway Baseline Weld Input

(11 pages) 25YearsofPlantOperation BreakSize Frequencies Probabilities (Inches) 5%LB(%) MidValue Mean 5%UB(%) 5%LB(%) MidValue Mean 5%UB(%)

(%) (%)

0.500 6.80E05 6.30E04 1.90E03 7.10E03 9.26E01 8.59E01 7.79E01 7.75E01 1.625 5.00E06 8.90E05 4.20E04 1.60E03 7.04E02 1.36E01 2.13E01 2.17E01 3.000 2.10E07 3.40E06 1.60E05 6.10E05 2.88E03 4.90E03 7.58E03 7.73E03 7.000 1.40E08 3.10E07 1.60E06 6.10E06 2.00E04 4.73E04 7.37E04 7.77E04 14.000 4.10E10 1.20E08 2.00E07 5.80E07 5.51E06 1.71E05 9.00E05 7.03E05 31.000 3.50E11 1.20E09 2.90E08 8.10E08 5.15E07 1.90E06 1.53E05 1.14E05

1.00 4.00E05 3.90E04 1.24E03 4.66E03 2.00 3.69E06 6.57E05 3.10E04 1.18E03 5.42 9.16E08 1.53E06 7.30E06 2.78E05 13.79 8.20E10 2.10E08 2.42E07 7.46E07 26.87 1.26E10 3.82E09 7.05E08 2.02E07