05000254/FIN-2010005-03
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Finding | |
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| Title | Licensee-Identified Violation |
| Description | Title 10 CFR 26.4(a) states, in part, that all persons who are granted unescorted access to nuclear power reactor protected areas and perform specified duties shall be subject to an FFD program that meets the requirements of Part 26. Item (4) listed in 10 CFR 26.4(a) includes individuals performing maintenance or onsite directing maintenance of SSCs that a risk-informed evaluation process has shown to be significant to the public health and safety. Title 10 CFR 26.205(d)(4)states, in part, that individuals specified in 26.4(a)(4) have at least 1 day off in any 7 day period. Contrary to the above, workers and supervisors installing a feedwater flow instrumentation modification at Quad Cities Unit 2 worked in excess of 7 days from March 15 through March 22, 2010, without a day off. Specifically, contract employees installing a feedwater flow instrument modification that had been screened as risk significant during the planning phase and documented as a work hour rule covered activity were scheduled for and worked more than 7 straight days without a day off. Upon discovery as part of a licensee review activity, this issue was immediately documented in IR 1138328 and the subsequent investigation determined that the cause was a misunderstanding of the procedures and regulation with no intentional violation of policy. This issue is more than minor because the performance deficiency, if left uncorrected, would have the potential to lead to a more significant safety concern during future maintenance activities. Specifically, excessive work hours could increase the likelihood of human performance errors during plant maintenance activities that could affect equipment performance. The finding is of very low safety significance or Green because no significant events or human performance issues were directly linked to personnel fatigue as a result of the hours worked, the licensee conducted management observations during the work activity, all of the welds performed by the affected workers were radiographed and inspected, and post-modification testing verified all work was of the appropriate quality and the equipment performed as designed |
| Site: | Quad Cities  |
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| Report | IR 05000254/2010005 Section 4OA7 |
| Date counted | Dec 31, 2010 (2010Q4) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Licensee-identified |
| Inspection Procedure: | |
| Inspectors (proximate) | R Jickling M Mitchell B Palagi M Ring J Mcghee B Cushman J Draper M Learn C Mathews |
| INPO aspect | |
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Finding - Quad Cities - IR 05000254/2010005 | |||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Quad Cities) @ 2010Q4
Self-Identified List (Quad Cities)
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