05000382/FIN-2012005-04
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Finding | |
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Title | Licensee-Identified Violation |
Description | Title 10 CFR 50.55a(g)(4), which requires that components classified as ASME Code Class 1, Class 2, and Class 3 meet the requirements set forth in Section XI of the applicable editions of the ASME Boiler and Pressure Vessel Code and Addenda. Title 10 CFR 50.55(a)(g)(4)(ii) requires that inservice examination of components be conducted during successive 120-month inspection intervals and comply with the requirements of the latest edition and addenda of the Code applicable to the specific interval.Section XI (of prior and current applicable editions of the Code), Subsections IWC-5221 and IWD- 5221 requires that for Class 2 and Class 3 components a system leakage test be performed at the system pressure obtained while the system, or portion of the system, is in service performing its normal operating function. Contrary to the above, prior to October 22, 2012, for the Class 2 and Class 3 reactor vessel head leak-off lines and for safety system lines associated with the L-Wall pipe chase, the licensee failed to perform leakage tests at the system pressure obtained while the system was performing its normal operating function. The inspectors determined that the finding was of very low safety significance because it was a deficiency confirmed not to result in a loss of operability for the probabilistic risk analysis (PRA) mission time of twenty-four hours. The licensee entered this issue into their corrective action program as CR-WF3-2012- 05113 and CR-WF3-2012-06039. |
Site: | Waterford |
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Report | IR 05000382/2012005 Section 4OA7 |
Date counted | Dec 31, 2012 (2012Q4) |
Type: | NCV: Green |
cornerstone | Mitigating Systems |
Identified by: | Licensee-identified |
Inspection Procedure: | |
Inspectors (proximate) | D Allen W Sifre D Overland C Steely C Speer D Bradley T Skaggs-Ryan L Ricketson P Elkmann M Davis |
INPO aspect | |
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Finding - Waterford - IR 05000382/2012005 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Waterford) @ 2012Q4
Self-Identified List (Waterford)
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