05000440/FIN-2008004-06
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Finding | |
|---|---|
| Title | Failure to Adequately Manage Risk Associated With Working Around a Risk-Significant Underground Vault |
| Description | A finding of very low safety significance was self-revealed on July 30, 2008.While performing inspection and dewatering of an underground vault area, plant workersinadvertently dropped a man-hole cover into the vault. The 15-foot vault area contained125 Volts direct current control power conduits that supplied fault protection circuitry forswitchyard breakers. The licensee entered the issue into their corrective actionprogram.This finding was considered more than minor because it was related to maintenance riskassessment and risk management issues. Specifically, the licensee failed to managerisk for maintenance activities associated with the electrical switchyard that couldincrease the likelihood of initiating events by causing a loss of offsite power. The findingwas determined through a SDP analysis to be of very low safety significance as nomitigation equipment or functions were affected. This finding had a cross-cutting aspectin the area of Human Performance as defined in IMC 0305 H.4(a), because theorganization failed to ensure the use of human error prevention techniquescommensurate with the risk of the assigned task. No violation of NRC requirementsoccurred. (Section 4OA3.2 |
| Site: | Perry  |
|---|---|
| Report | IR 05000440/2008004 Section 4OA3 |
| Date counted | Sep 30, 2008 (2008Q3) |
| Type: | Finding: Green |
| cornerstone | Initiating Events |
| Identified by: | Self-revealing |
| Inspection Procedure: | IP 71153 |
| Inspectors (proximate) | M Wilk J Robbins D Reeser M Phalen R Baker M Franke T Taylor J Cameron R Murray |
| CCA | H.12, Avoid Complacency |
| INPO aspect | QA.4 |
| ' | |
Finding - Perry - IR 05000440/2008004 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Perry) @ 2008Q3
Self-Identified List (Perry)
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