05000528/FIN-2012005-05
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Finding | |
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Title | Failure to Classify and Evaluate a Condition Adverse to Quality |
Description | The inspectors identified a Green non-cited violation of Palo Verde Unit 1 License Condition 2.C.7 for the failure of plant personnel to follow station procedures to classify and evaluate a condition adverse to quality. Specifically, after identifying movement of the corridor building as a result of ground saturation from a domestic service water line break, the licensee failed to classify the issue as a condition adverse to quality and perform a functional assessment of the corridor building. The licensee entered the issue into the corrective action program as Condition Report Disposition Request 4301801. To restore compliance, the licensee classified the Unit 1 corridor building movement as a Condition Adverse to Quality and performed a functional assessment, concluding the building was functional. The licensee is evaluating further corrective actions associated with this issue. The inspectors concluded that the failure of plant personnel to classify the Unit 1 corridor building movement as a condition adverse to quality and perform a functional assessment was a performance deficiency. The performance deficiency was more than minor, and therefore a finding, because it affected the protection against external factors attribute of the Mitigating Systems Cornerstone objective to ensure the availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences. The inspectors evaluated the significance of the issue under the Significance Determination Process, as defined in Inspection Manual Chapter 0609, Appendix F, Fire Protection Significance Determination Process, and concluded the finding was of very low safety significance (Green) because it is assigned a low degradation rating because no significant degradation of the fire protection features of the corridor building occurred. The inspectors determined this finding has a crosscutting aspect in the area of human performance associated with the work practices component because the licensee failed to ensure supervisory and management oversight of work activities, such that nuclear safety is supported. |
Site: | Palo Verde ![]() |
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Report | IR 05000528/2012005 Section 1R15 |
Date counted | Dec 31, 2012 (2012Q4) |
Type: | NCV: Green |
cornerstone | Mitigating Systems |
Identified by: | NRC identified |
Inspection Procedure: | IP 71111.15 |
Inspectors (proximate) | M Brown L Carson S Garchow D Allen J Reynoso M Young B Larson J Groom I Anchondo N Hernandez D You |
CCA | H.2, Field Presence |
INPO aspect | LA.2 |
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Finding - Palo Verde - IR 05000528/2012005 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Palo Verde) @ 2012Q4
Self-Identified List (Palo Verde)
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