05000361/FIN-2009007-01
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Finding | |
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Title | Failure to Adequately Store and Preserve Materials for Used in Safety-Related Concrete |
Description | The inspectors identified a noncited violation of 10 CFR Part 50, Appendix B, Criterion XIII, Handling, Storage and Shipping, for the failure of contractor personnel to establish measures to ensure adequate controls for the storage and preservation of material, associated with the admixture and fly ash, to be used in the production of safety-related concrete. Specifically, on December 10, 2009, contractor personnel failed to properly control key materials from being exposed to the elements which could damage or deteriorate the material and adversely impact the properties of safety-related concrete. This finding was entered into the licensees corrective action program as Nuclear Notification NN 200703527. The finding is greater than minor because use of incorrect material, or material whose properties may have been altered due to improper storage, if left uncorrected, would have the potential to lead to a more significant safety concern. The finding is associated with the design control attribute of the Barrier Integrity Cornerstone and affects the cornerstone objective to provide reasonable assurance that physical design barriers (containment) protect the public from radionuclide release caused by accidents or events. Using the Manual Chapter 0609, Significance Determination Process, Phase 1 Worksheets, the finding is determined to have very low safety significance because the finding did not represent an actual open pathway in the physical integrity of reactor containment and because the concrete for the containment opening had not yet been batched or placed into the containment structure. The finding has a crosscutting aspect in the area of human performance associated with work practices since the licensee failed to ensure supervisory and management oversight of work activities, including contractors, such that nuclear safety is supported H.4(c) (Section 4OA5.2) |
Site: | San Onofre ![]() |
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Report | IR 05000361/2009007 Section 4OA5 |
Date counted | Dec 31, 2009 (2009Q4) |
Type: | NCV: Green |
cornerstone | Barrier Integrity |
Identified by: | NRC identified |
Inspection Procedure: | |
Inspectors (proximate) | I Anchondo J Johnson T Buchanan R Hickok J Braisted B Schnetz C Denissen C Proctor F Peduzzi L Ricketson R Lantz T Nazario P Elkmann D Allen J Adams J Reynoso W Sifre G Warnick C Osterholtz M Young A Fairbanks S Makor M Bloodgood |
CCA | H.2, Field Presence |
INPO aspect | LA.2 |
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Finding - San Onofre - IR 05000361/2009007 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (San Onofre) @ 2009Q4
Self-Identified List (San Onofre)
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