ENS 47530: Difference between revisions

v t e ENS Event
15:17 Dec 16, 2011
Title	Loss of Safety Parameter Display System and Emergency Response Data System
Event Description	At 1017 EST on December 16, 2011, a loss of the Safety Parameter Display System (SPDS) and the Emergency Response Data System (ERDS) occurred due to a process computer malfunction. This loss in capability is being reported as a loss of assessment capability in accordance with 10 CFR 50.72(b)(3)(xiii). Indications of related plant variable are available in the Main Control Center. The Visual Annunciator System (VAS) remains functional. Meteorological and process effluent radiological monitor indications are available and dose assessment capability is available and tested functional. In the event of a plant emergency, the Emergency Plan can be implemented as assessment capabilities are available under alternate means. The NRC Resident Inspector has been informed. * * UPDATE AT 0022 EST ON 12/17/11 FROM GROFF TO HUFFMAN * * * At 2235 EST on December 16, 2011, the Safety Parameter Display System (SPDS) and the Emergency Response Data System (ERDS) were restored following the correction of the process computer malfunction. This loss in capability was reported under a loss of assessment capability in accordance with 10 CFR 50.72(b)(3)(xiii). The licensee has notified the NRC Resident Inspector. R3DO (Dickson) notified.

ENS 47530 +/-
Where
Fermi Michigan (NRC Region 3)
Reporting

10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
Time - Person (Reporting Time:+1.33 h0.0554 days <br />0.00792 weeks <br />0.00182 months <br />)
Opened:	George Piccard 16:37 Dec 16, 2011
NRC Officer:	Charles Teal
Last Updated:	Dec 17, 2011
47530 - 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 47530\u003C/a\u003E - \u003Ca href=\"/Fermi\" title=\"Fermi\"\u003EFermi\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ELoss of Safety Parameter Display System and Emergency Response Data System\n\u003C/p\u003E\u003C/div\u003E","title":"ENS 47530 - Fermi\n","link":"","lat":41.96295277777778,"lon":-83.25779444444444,"icon":"/w/images/5/5b/DTE_Energy_icon.png"}],"imageoverlays":null}
v • d • e

v t e Emergency Notification System
Fermi with 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
WEEKMONTHYEAR2023-08-01T13:55:00 [Table view]
[ENS list for Fermi]

@@ Line 16: / Line 16: @@
 | event date = 12/16/2011 10:17 EST
 | last update date = 12/17/2011
-| title = Loss Of Safety Parameter Display System And Emergency Response Data System
+| title = Loss of Safety Parameter Display System and Emergency Response Data System
 | event text = At 1017 EST on December 16, 2011, a loss of the Safety Parameter Display System (SPDS) and the Emergency Response Data System (ERDS) occurred due to a process computer malfunction.  This loss in capability is being reported as a loss of assessment capability in accordance with 10 CFR 50.72(b)(3)(xiii).
 Indications of related plant variable are available in the Main Control Center.  The Visual Annunciator System (VAS) remains functional.  Meteorological and process effluent radiological monitor indications are available and dose assessment capability is available and tested functional.

Latest revision as of 22:05, 1 March 2018