05000482/FIN-2011002-02
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Finding | |
|---|---|
| Title | Inadequate Clearance Order Isolated Cooling to Inservice Safety-Related Equipment |
| Description | The inspectors reviewed a self-revealing noncited violation of Technical Specification 5.4.1.a involving the failure to properly implement the clearance order procedure resulting in a failure to provide adequate cooling to inservice safety-related equipment. Operators restored cooling water flow after approximately one hour. The licensee entered the finding into their corrective action program as Condition Report 33357. The inspectors determined that the failure to ensure that plant conditions could support establishing the clearance order boundaries, which resulted in a component cooling water heatup and trip of the inservice control room air conditioner, was a performance deficiency. The inspectors determined that this finding was more than minor because it is associated with the configuration control attribute for the Mitigating Systems Cornerstone and it affected the cornerstone objective to ensure the availability, reliability, and capability of systems that respond to initiating events to prevent undesirable consequences. Using Inspection Manual Chapter 0609.04, Phase 1 Initial Screening and Characterization of Findings, the finding was determined to have very low safety significance because it was confirmed not to result in loss of operability of control room air conditioning Train B for greater than its technical specification allowed outage time and it did not result in the loss of the normal service water function for greater than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. This finding has a crosscutting aspect in the area of human performance associated with work control because the licensee failed to plan the work activity by incorporating the impact on the plant H.3(a) (Section 1R04). |
| Site: | Wolf Creek  |
|---|---|
| Report | IR 05000482/2011002 Section 1R04 |
| Date counted | Mar 31, 2011 (2011Q1) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Self-revealing |
| Inspection Procedure: | IP 71111.04 |
| Inspectors (proximate) | G Guerra C Smith L Carson G Miller B Tindell C Long C Peabody A Fairbanks D Reinert C Alldredge |
| CCA | H.5, Work Management |
| INPO aspect | WP.1 |
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Finding - Wolf Creek - IR 05000482/2011002 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Wolf Creek) @ 2011Q1
Self-Identified List (Wolf Creek)
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