ENS 47797
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ENS Event | |
|---|---|
23:33 Apr 2, 2012 | |
| Title | Unusual Event - Fire from Hydrogen Supply to Volume Control Tank |
| Event Description | At 1933 EDT on 4/2/12, a fire was discovered on top of the Auxiliary Building Roof coming from a one inch hydrogen supply header to the U-3 Volume Control Tank.
At 1948 EDT [Turkey Point] declared an Unusual Event due to a fire greater than 15 minutes in the protected area (HU2). At 1949 EDT [operators] closed the hydrogen isolation valve and hydrogen header pressure began to lower. At 1956 EDT a second isolation valve was closed. Header pressure continued to lower. At 2018 EDT the fire is out. No damage to plant equipment or adverse effect to safe shutdown systems. [Turkey Point] is currently working on a de-escalation process. The licensee notified the NRC Resident Inspector, State and local agencies. Notified DHS SWO, FEMA, NICC and Nuclear SSA.
After the fire was out the pipe became cool to the touch. At 2110 EDT Turkey Point terminated the Unusual Event for Unit 3. The licensee notified the NRC Resident Inspector, State and local agencies. Notified DHS SWO, FEMA, NICC and Nuclear SSA via email. |
| Where | |
|---|---|
Turkey Point  Florida (NRC Region 2) | |
| Reporting | |
| Emergency class: | Unusual Event |
| 10 CFR 50.72(a) (1) (i), Emergency Class Declaration | |
| Time - Person (Reporting Time:+-2.88 h-0.12 days <br />-0.0171 weeks <br />-0.00395 months <br />) | |
| Opened: | Jose Vasquez 20:40 Apr 2, 2012 |
| NRC Officer: | Pete Snyder |
| Last Updated: | Apr 2, 2012 |
| 47797 - NRC Website
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WEEKMONTHYEARENS 562642022-12-08T19:02:0008 December 2022 19:02:00
[Table view]10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Due to Excessive Reactor Coolant System Leakage ENS 551532021-03-25T01:29:00025 March 2021 01:29:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notice of Unusual Event Declared Due to Fire Alarm in Containment ENS 529522017-09-08T03:14:0008 September 2017 03:14:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event - Hurricane Warning ENS 526212017-03-18T15:19:00018 March 2017 15:19:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Alert Declared for Indications of Fire in Safety Related Switchgear ENS 489482013-04-19T21:20:00019 April 2013 21:20:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unusual Event Due to Loss of Offsite Power Greater than 15 Minutes ENS 477972012-04-02T23:33:0002 April 2012 23:33:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event - Fire from Hydrogen Supply to Volume Control Tank ENS 421042005-11-01T03:27:0001 November 2005 03:27:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Unusual Event Declaration: Loss of Offsite Power Due to Loss of Startup Transformer ENS 420782005-10-26T01:40:00026 October 2005 01:40:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to a Small Fire at the Main Turbine Area ENS 420672005-10-23T02:54:00023 October 2005 02:54:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Hurricane Wilma ENS 420012005-09-19T15:04:00019 September 2005 15:04:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Hurricane Rita ENS 419432005-08-25T03:04:00025 August 2005 03:04:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Hurricane Warning ENS 418002005-06-27T07:16:00027 June 2005 07:16:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation Declaration of an Unusual Event Due Transformer Fire >10 Minutes ENS 417432005-06-03T04:33:0003 June 2005 04:33:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Declared Unusual Event Due to Rcs Leakage in Excess of Technical Specification Limit ENS 410682004-09-24T21:00:00024 September 2004 21:00:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Unusual Event Declared Due to Hurricane Warning ENS 410072004-09-02T14:56:0002 September 2004 14:56:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration Notification of Unusual Event Declared 2022-12-08T19:02:00 | |
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