ENS 46520: Difference between revisions

v t e ENS Event
13:00 Jan 4, 2011
Title	Unavailability of Tsc Ventilation System Due to Scheduled Maintenance
Event Description	At 0800 EST on Tuesday, January 4, 2011, the Cook Nuclear Plant (CNP) Technical Support Center (TSC) air conditioning and charcoal filtration systems were removed from service for scheduled maintenance. Under certain accident conditions the TSC may become unavailable due to the inability of the air conditioning and charcoal filtration systems to maintain a habitable atmosphere. Compensatory measures exist to relocate TSC personnel to the unaffected unit's control room if necessary . TSC ventilation system maintenance is scheduled to be completed by 1600 EST on Tuesday, January 4, 2011. The licensee has notified the NRC Resident Inspector. This notification is being made in accordance with 10 CFR 50.72 (b)(3)(xiii) due to the loss of an emergency response facility, * * UPDATE FROM BUD HINCKLEY TO DONALD NORWOOD AT 1709 EST ON 01/04/2011 * * * The TSC ventilation system maintenance was completed satisfactorily and the system was restored to service at 1705 EST. The licensee will notify the NRC Resident Inspector. Notified the R3DO (Lipa) via e-mail.

ENS 46520 +/-
Where
Cook Michigan (NRC Region 3)
Reporting

10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
Time - Person (Reporting Time:+-4.75 h-0.198 days <br />-0.0283 weeks <br />-0.00651 months <br />)
Opened:	Bud Hinckley 08:15 Jan 4, 2011
NRC Officer:	Steve Sandin
Last Updated:	Jan 4, 2011
46520 - 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 46520\u003C/a\u003E - \u003Ca href=\"/Cook\" title=\"Cook\"\u003ECook\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EUnavailability of Tsc Ventilation System Due to Scheduled Maintenance\n\u003C/p\u003E\u003C/div\u003E","title":"ENS 46520 - Cook\n","link":"","lat":41.97790555555556,"lon":-86.56431666666667,"icon":"/w/images/3/39/American_Electric_Power_icon.png"}],"imageoverlays":null}
v • d • e

v t e Emergency Notification System
Cook with 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
WEEKMONTHYEAR2014-06-30T11:30:00 [Table view]
[ENS list for Cook]

@@ Line 16: / Line 16: @@
 | event date = 01/04/2011 08:00 EST
 | last update date = 01/04/2011
-| title = Unavailability Of Tsc Ventilation System Due To Scheduled Maintenance
+| title = Unavailability of Tsc Ventilation System Due to Scheduled Maintenance
 | event text = At 0800 EST on Tuesday, January 4, 2011, the Cook Nuclear Plant (CNP) Technical Support Center (TSC) air conditioning and charcoal filtration systems were removed from service for scheduled maintenance.
 Under certain accident conditions the TSC may become unavailable due to the inability of the air conditioning and charcoal filtration systems to maintain a habitable atmosphere. Compensatory measures exist to relocate TSC personnel to the unaffected unit's control room if necessary .

Latest revision as of 22:08, 1 March 2018