ENS 50197
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ENS Event | |
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16:47 Jun 12, 2014 | |
Title | Inadequate Dc Cable Protection Could Adversely Affect Safe Shutdown |
Event Description | Postulated event could adversely affect safe shutdown equipment.
This is a non-emergency notification. While operating at 100 percent power in mode 1, Harris plant personnel determined that inadequate cable protection exists in control cables for a DC powered main turbine lube oil pump. A short circuit could cause excessive current through affected cables, potentially resulting in overheating. The affected cables pass through the Control Room and other areas and could adversely affect safe shutdown. Compensatory measures (hourly fire watches) have been implemented for affected areas of the plant which ensures continued public safety. This condition is reportable in accordance with 10 CFR 50.72(b)(3)(ii)(B) as an unanalyzed condition. The NRC Resident Inspector has been notified. |
Where | |
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Harris North Carolina (NRC Region 2) | |
Reporting | |
10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition | |
Time - Person (Reporting Time:+1.37 h0.0571 days <br />0.00815 weeks <br />0.00188 months <br />) | |
Opened: | Tim English 18:09 Jun 12, 2014 |
NRC Officer: | Jeff Rotton |
Last Updated: | Jun 12, 2014 |
50197 - NRC Website
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Unit 1 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
WEEKMONTHYEARENS 511782015-06-16T15:45:00016 June 2015 15:45:00
[Table view]10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition Unanalyzed Condition Due to Open High Energy Line Break Doors ENS 501972014-06-12T16:47:00012 June 2014 16:47:00 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition Inadequate Dc Cable Protection Could Adversely Affect Safe Shutdown ENS 489322013-04-16T20:25:00016 April 2013 20:25:00 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition Potential Cable Size and Breaker Mismatch 2015-06-16T15:45:00 | |
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