Finding | |
|---|---|
| Title | Licensee-Identified Violation |
| Description | Turkey Point Technical Specification 3.6.3 requires three operable emergency containment filtering units when Unit 3 is operated in Modes 1 thru 4. Further, with one filtering unit inoperable, restore the inoperable unit to operable status within 7 days or be in Hot Standby within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and Cold Shutdown within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />. Contrary to the above, as of August 27, 2008, Unit 3 containment filtering unit 3B was inoperable in excess of 7 days because of an inadequate electrical design that had occurred years before and no action was taken to place the unit in the required configuration. The problem was discovered by the licensee during an engineering review in preparation for circuit modification and was corrected on August 28, 2008 by modifying the circuit to eliminate the design flaw. Because redundant filtering units were not affected, and the affected unit would be manually started if required, the issue was of very low safety significance (Green). The issue was documented in the licensee corrective action program as CR 2008-27014 and reported to the NRC in Licensee Event Report 05000250/2008-004-00 |
| Site: | Turkey Point  |
|---|---|
| Report | IR 05000250/2009002 Section 4OA7 |
| Date counted | Mar 31, 2009 (2009Q1) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Licensee-identified |
| Inspection Procedure: | |
| Inspectors (proximate) | M Barillas S Ninh S Stewart C Fletcher M Sykes R Williams J Uribe |
| INPO aspect | |
| ' | |
Finding - Turkey Point - IR 05000250/2009002 | ||||||||||||||||||||||||||||||||||||||||||
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Finding List (Turkey Point) @ 2009Q1
Self-Identified List (Turkey Point)
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