05000272/FIN-2010003-03
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Finding | |
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| Title | Licensee-Identified Violation |
| Description | It was determined to have very low significance (Green) and to meet the criteria of Section VI of the NRC Enforcement Policy, NUREG-1600, for being dispositioned as a non-cited violation. PSEG identified general corrosion that reduced the wall thickness of the safety related piping to less than the design minimum wall thickness of 0.278\" for the system design pressure of 1950 psig. The lowest measured wall thickness was 0.077\"; however, a finite element analysis for the degraded piping demonstrated past operability at a reduced operating pressure of 1275 psig. 10 CFR 50, Appendix B, Criterion III, Design Control requires in part that measures shall be established to assure that applicable regulatory requirements and design bases are correctly translated into specifications, drawings, and instructions and that these measures shall include provisions to assure the proper selection and review for suitability of application of materials, parts, equipment, and processes. During pipe excavation and inspections conducted as part of PSEGs buried piping program PSEG identified that it did not provide an effective protective coating for the buried section of AFW piping on Unit 1. This finding was associated with the mitigating systems cornerstone, specifically the short term decay heat removal capability. The finding was determined to be Green because it was a design or qualification deficiency that was confirmed not to result in loss of operability of the AFW system. PSEG entered this condition into the corrective action program as notification 20456999. |
| Site: | Salem  |
|---|---|
| Report | IR 05000272/2010003 Section 4OA7 |
| Date counted | Jun 30, 2010 (2010Q2) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Licensee-identified |
| Inspection Procedure: | |
| Inspectors (proximate) | D Schroeder M Patel J Furia D Johnson H Balian A Burritt S Ibarrola |
| INPO aspect | |
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Finding - Salem - IR 05000272/2010003 | |||||||||||||||||||||||||||||||||||||||||||
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Finding List (Salem) @ 2010Q2
Self-Identified List (Salem)
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