05000454/FIN-2010004-04
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Finding | |
|---|---|
| Title | Licensee-Identified Violation |
| Description | Title 10 CFR 72.212 (b)(2)(i)(B) requires, in part, that the licensee perform written evaluations prior to use, that establish that the cask storage pads and areas have been designed to adequately support the static and dynamic loads of the stored casks, considering potential amplification of earthquakes. The licensee generated Calculation 2.4.3-BYR08-30 to satisfy the requirements of 10 CFR 72.212 (b)(2)(i)(B). Contrary to the above, on September 18, 2009, in Calculation 2.4.3-BYR08-30, in lieu of performing a detailed dynamic analysis to determine seismic response of the cask, the licensee used the methodology described in the NUREG/CR6865, Parametric Evaluation of Seismic Behavior of Free Standing Spent Fuel Dry Cask Storage System. The licensee determined that the calculation contained a number of assumptions and did not demonstrate the Byron ISFSI pad was bounded by the analyzed pad in NUREG/CR-6865. The licensee revised their calculation and performed a soil structure interaction analysis to address the concern and satisfy the requirements of 10 CFR 72.212 (b)(2)(i)(B). The inspectors reviewed the revised calculation. The licensee entered this issue into its corrective action program (IR 966751). This licensee-identified violation closes URIs 07200068/2009001-02;05000454/2009009-02; and 05000455/2009009/02. |
| Site: | Byron  |
|---|---|
| Report | IR 05000454/2010004 Section 4OA7 |
| Date counted | Sep 30, 2010 (2010Q3) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Licensee-identified |
| Inspection Procedure: | |
| Inspectors (proximate) | R Jickling R Ng C Thompson B Bartlett J Robbins J Cassidy E Duncan M Learn |
| INPO aspect | |
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Finding - Byron - IR 05000454/2010004 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Byron) @ 2010Q3
Self-Identified List (Byron)
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