05000443/FIN-2010002-01
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Finding | |
|---|---|
| Title | Licensee-Identified Violation |
| Description | The following violation of NRC requirements was identified by NextEra. It was determined to have very low significance (Green) and to meet the criteria of Section VI of the NRC Enforcement Policy, NUREG-1600, for being dispositioned as a non-cited violation. License condition F of the Seabrook license requires in part that NextEra implement and maintain in effect all provisions of the approved fire protection program as described in the Seabrook\'s Fire Protection of Safe Shutdown Capability Report. The Seabrook Appendix R Report Sections 3.2. 7.2.B.3 and 3.2.7.3.B.3, stated that the containment must remain habitable to allow operator access to manually operate reactor coolant and residual heat removal system valves needed to place. the plant in cold shutdown within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />. Contrary to the above, NextEra did not ensure that systems needed to maintain the containment habitable during certain postulated fire scenarios remained operable. Specifically, the method described in the Appendix R Report for maintaining containment habitable following a postulated fire in Fire Areas CB-F-1A-A and CB-F-1 BA, did not support placing the plant in cold shutdown. For a postulated fire in these areas in order to restore cooling water to containment air coolers, the report directed operators to start a containment air compressor without cooling water. This would cause the compressor cylinders to rapidly overheat causing Significant damage to the compressor that would prevent restoration of containment air cooling. This issue is also discussed in Section 40A3 above. This finding is of very low safety significance (Green) because per IMC 0609, Appendix F, Attachment 1, Section 1.3.1, a finding that only affects the ability to achieve and maintain cold shutdown screens to green with no further analysis |
| Site: | Seabrook  |
|---|---|
| Report | IR 05000443/2010002 Section 4OA7 |
| Date counted | Mar 31, 2010 (2010Q1) |
| Type: | NCV: Green |
| cornerstone | Mitigating Systems |
| Identified by: | Licensee-identified |
| Inspection Procedure: | |
| Inspectors (proximate) | R Moore F Arner W Raymond A Burritt J Johnson E Bonney |
| INPO aspect | |
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Finding - Seabrook - IR 05000443/2010002 | ||||||||||||||||||||||||||||
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Finding List (Seabrook) @ 2010Q1
Self-Identified List (Seabrook)
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