ENS 46492: Difference between revisions

v t e ENS Event
05:50 Dec 20, 2010
Title	Manual Reactor Trip Due to a Fire in the Main Generator Bus Duct
Event Description	At 0050 EST on 12/20/2010, Unit 1 reactor was manually tripped due to a reported fire inside the Unit 1 main generator bus duct. A fire was reported at 0045 EST in the Unit 1 bus duct which is located inside the turbine building. The Unit 1 reactor was tripped to remove power from the generator bus. After the reactor trip, the fire was extinguished by the application of water to the bus duct by the fire brigade. The fire was reported extinguished at 0100 EST. Method of decay heat removal is via steam dumps. Current temperature and pressure: Temp. 548 degrees and stable; Pressure 2239 psig and stable. No indication of any primary/secondary leakage. All rods are inserted. Electrical alignment is normal, supplied from off-site power. No impact to Unit 2, [and] Unit 2 is operating at 100% power [in] Mode 1. The NRC Resident Inspector has been notified.

ENS 46492 +/-
Where
Sequoyah Tennessee (NRC Region 2)
Reporting

10 CFR 50.72(b)(2)(iv)(B), RPS Actuation 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Time - Person (Reporting Time:+-2.05 h-0.0854 days <br />-0.0122 weeks <br />-0.00281 months <br />)
Opened:	Steve Tuthill 03:47 Dec 20, 2010
NRC Officer:	Dong Park
Last Updated:	Dec 20, 2010
46492 - NRC Website Loading map... {"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"350px","height":"250px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"zoom":6,"defzoom":14,"layers":["OpenStreetMap"],"image layers":[],"overlays":[],"resizable":false,"fullscreen":false,"scrollwheelzoom":true,"cluster":false,"clustermaxzoom":20,"clusterzoomonclick":true,"clustermaxradius":80,"clusterspiderfy":true,"geojson":"","clicktarget":"","imageLayers":[],"locations":[{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca class=\"mw-selflink selflink\"\u003EENS 46492\u003C/a\u003E - \u003Ca href=\"/Sequoyah\" title=\"Sequoyah\"\u003ESequoyah\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EManual Reactor Trip Due to a Fire in the Main Generator Bus Duct\n\u003C/p\u003E\u003C/div\u003E","title":"ENS 46492 - Sequoyah\n","link":"","lat":35.22651944444444,"lon":-85.09192777777778,"icon":"/w/images/c/ce/Tennessee_Valley_Authority_icon.png"}],"imageoverlays":null}
v • d • e

v t e Emergency Notification System
Sequoyah with 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
WEEKMONTHYEAR2024-09-29T09:56:00 [Table view]
[ENS list for Sequoyah]

@@ Line 16: / Line 16: @@
 | event date = 12/20/2010 00:50 EST
 | last update date = 12/20/2010
-| title = Manual Reactor Trip Due To A Fire In The Main Generator Bus Duct
+| title = Manual Reactor Trip Due to a Fire in the Main Generator Bus Duct
 | event text = At 0050 EST on 12/20/2010, Unit 1 reactor was manually tripped due to a reported fire inside the Unit 1 main generator bus duct.
 A fire was reported at 0045 EST in the Unit 1 bus duct which is located inside the turbine building. The Unit 1 reactor was tripped to remove power from the generator bus. After the reactor trip, the fire was extinguished by the application of water to the bus duct by the fire brigade. The fire was reported extinguished at 0100 EST.

Latest revision as of 21:08, 1 March 2018