05000237/FIN-2009004-04
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Finding | |
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| Title | Inspector Identified Control Room Alarm Isolation Valve Out-of-Position |
| Description | The inspectors identified an unresolved item regarding the reason why valve 2-1501-42A, U2 low pressure coolant injection (LPCI) A pump gland leak-off, was found out-of-position. Description: On September 24, 2009, the inspectors identified that the 2-1501-42A valve was out-of-position. The inspectors were reviewing the 2A LPCI pump seal leak-off configuration as part of an evaluation of the mechanical seal safety classification. The inspectors reported the valve position to shift management and operations department personnel verified the valve was not in the position described in DOP 2-1500-M1, LPCI System Mechanical Checklist, Revision 39. This issue was documented in Issue Report (IR) 969490, LPCI Gland Seal Leak-off Isolation Found Closed. With the valve closed instead of open a control room alarm (902-3 C-6) for LPCI pump seal leakage would not have alarmed for the 2A LPCI pump had the seal failed during operation. On July 6, 2009, the 2A LPCI pump seal was replaced under Work Order 548808-01. The issue is considered an unresolved item pending NRC review of the licensees evaluation of the valve position versus the requirements of DOP 2-1500-M1 |
| Site: | Dresden  |
|---|---|
| Report | IR 05000237/2009004 Section 1R15 |
| Date counted | Sep 30, 2009 (2009Q3) |
| Type: | URI: |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71111.15 |
| Inspectors (proximate) | R Jickling C Moore C Phillips D Melendez Colon D Sand F Ramirez J Benjamin J Draper J Mcghee L Kozak M Holmberg M Mitchell M Rings Edmondsd Melendez-Colon W Slawinski C Phillips M Ring J Benjamin D Lords E Coffman C Scott |
| INPO aspect | |
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Finding - Dresden - IR 05000237/2009004 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Dresden) @ 2009Q3
Self-Identified List (Dresden)
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