05000361/FIN-2010006-05
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Finding | |
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Title | Control Room Operators\' Failure to Adhere to Conduct of Operations Procedural Requirements |
Description | The inspectors identified a noncited violation of Technical Specification 5.5.1.1.a involving the failure of control room operators to follow San Onofre Procedure S0123-0-A1, \"Conduct of Operations.\" These included failures to: implement alarm response procedure place-keeping, announce alarms to the control room supervisor, stop conversations when an alarm annunciated and cleared, perform three-way communication during pre-job briefing, review the summarize, anticipate, foresee, evaluate and review questions during a pre-job brief, review the prerequisites of a procedure prior to use, and remain cognitive of the re-activity change evolution by a control room supervisor. This issue was entered into the licensee\'s corrective action program as Nuclear Notification 200871332, and operations management immediately began actions to institute a recovery plan to improve operator performance. The finding was more than minor because it was associated with the Initiating Events Cornerstone attribute of human performance, and it affected the associated cornerstone objective to limit the likelihood of those events that upset plant stability and that challenge critical safety functions during shutdown, as well as during power operations. Using the Inspection Manual Chapter 0609, \"Significance Determination Process,\" Phase 1 Worksheet, the inspectors concluded that the transient initiator did not contribute to both the likelihood of a reactor trip and to the likelihood that mitigation equipment or functions would not be available. As a result, the issue was of very low safety significance (Green). The finding has a crosscutting aspect in the area of human performance associated with the work practices because the licensee did not ensure supervisory and management oversight of work activities. |
Site: | San Onofre ![]() |
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Report | IR 05000361/2010006 Section 4OA2 |
Date counted | Jun 30, 2010 (2010Q2) |
Type: | NCV: Green |
cornerstone | Initiating Events |
Identified by: | NRC identified |
Inspection Procedure: | IP 71152 |
Inspectors (proximate) | C Long E Ruesch G Tutak G Wilson M Hay R Smith S Marquez S Matharu S Walker |
CCA | H.2, Field Presence |
INPO aspect | LA.2 |
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Finding - San Onofre - IR 05000361/2010006 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (San Onofre) @ 2010Q2
Self-Identified List (San Onofre)
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