ENS 49996
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ENS Event | |
|---|---|
12:00 Apr 4, 2014 | |
| Title | Wide Range Gaseous Monitoring System Removed from Service for Greater than 72 Hours |
| Event Description | Nine Mile Point Unit 2 Ventilation Wide Range Gaseous Monitoring System was removed from service on 4/1/2014 at 1140 EDT to support isolation of the Unit 2 Reactor Building Ventilation during a Division 2 electrical bus outage. The monitoring system will be out of service for greater than 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> due to the planned maintenance window.
NMP2 is in Mode 5, refueling. Compensatory actions remain in effect in accordance with the Off-Site Dose Calculation Manual. Expected return to service is 4/5/14. This event is being reported in accordance with 10 CFR 50.72 (b)(3)(xiii) due to a loss of assessment capability. The licensee notified the NRC Resident Inspector. |
| Where | |
|---|---|
Nine Mile Point  New York (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-3.03 h-0.126 days <br />-0.018 weeks <br />-0.00415 months <br />) | |
| Opened: | Patrick Walsh 08:58 Apr 4, 2014 |
| NRC Officer: | Donald Norwood |
| Last Updated: | Apr 4, 2014 |
| 49996 - NRC Website
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WEEKMONTHYEARENS 563592023-02-06T11:30:0006 February 2023 11:30:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications and Assessment Capabilities ENS 520962016-07-18T11:30:00018 July 2016 11:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Offsite Communications Capability ENS 502162014-06-20T05:10:00020 June 2014 05:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Radiation Monitors Declared Non-Functional ENS 501302014-05-22T06:10:00022 May 2014 06:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unplanned Isolation of Reactor Building Ventilation Radiation Monitor ENS 499962014-04-04T12:00:0004 April 2014 12:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Wide Range Gaseous Monitoring System Removed from Service for Greater than 72 Hours ENS 499482014-03-24T04:31:00024 March 2014 04:31:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness, 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material Secondary Containment Inoperable and Unplanned Isolation of the Reactor Building Vent Radiation Monitor ENS 499062014-03-12T18:22:00012 March 2014 18:22:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness, 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material Secondary Containment Inoperable and Unplanned Isolation of Building Vent Radiation Monitor ENS 498682014-03-04T06:43:0004 March 2014 06:43:00 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unit 2 Manual Reactor Scram Following Loss of a Uninterruptible Power Supply (Ups) ENS 498322014-02-16T17:16:00016 February 2014 17:16:00 10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unit 2 Experienced a Partial Loss of Offsite Power with Autostart of Division I and III Edgs ENS 497952014-02-05T15:00:0005 February 2014 15:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tone Alert Systems Out of Service ENS 495502013-11-18T10:12:00018 November 2013 10:12:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Communications Loss to New York State Watch Tower ENS 494812013-10-29T09:56:00029 October 2013 09:56:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unplanned Loss of Ten Area Radiation Monitors Impacting Emergency Assessment Capability ENS 494182013-10-08T02:04:0008 October 2013 02:04:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Service Water Radiation Monitor Out of Service ENS 493912013-09-28T16:13:00028 September 2013 16:13:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Digital Radiation Monitor Low Sample Flow Alarm Received ENS 491762013-07-07T08:00:0007 July 2013 08:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Radwaste/Reactor Building Vent Gaseous Effluent Radiation Monitoring Capability ENS 491272013-06-17T16:27:00017 June 2013 16:27:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Radwaste / Reactor Building Vent Gaseous Effluent Radiation Monitoring Capability ENS 490942013-06-06T07:11:0006 June 2013 07:11:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Service Water Radiation Monitor Removed from Service for Maintenance ENS 490692013-05-26T22:39:00026 May 2013 22:39:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tone Alert Radios Out of Service ENS 489572013-04-23T07:30:00023 April 2013 07:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness State Notification Line Outage ENS 489012013-04-09T06:35:0009 April 2013 06:35:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Power Lost to Meteorological Instrumentation ENS 479102012-05-08T15:14:0008 May 2012 15:14:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Out of Service ENS 477882012-03-30T02:42:00030 March 2012 02:42:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Tone Alert System ENS 477432012-03-14T17:05:00014 March 2012 17:05:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of the Tone Alert Radio System ENS 477182012-03-05T17:36:0005 March 2012 17:36:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Tone Alert Radio System ENS 473312011-10-07T17:20:0007 October 2011 17:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications Systems Due to Cut Fiber Optic Cable ENS 466672011-03-11T01:15:00011 March 2011 01:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Primary and Backup Meterological Monitoring Equipment on Both Towers ENS 466302011-02-20T13:53:00020 February 2011 13:53:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tone Alert Radio Emergency Notification System Out of Service ENS 466262011-02-19T05:50:00019 February 2011 05:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System Inoperable Due to Plant Computer Problem ENS 464562010-12-04T16:42:0004 December 2010 16:42:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tone Alert Emergency Notification System Inoperable ENS 463472010-10-20T01:08:00020 October 2010 01:08:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Failure of Plant Process Computer Displays and Spds to Update ENS 462482010-09-13T14:31:00013 September 2010 14:31:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Scheduled Telephone Cable Rerouting Impacts to the Control Room and Technical Support Center ENS 455032009-11-17T22:40:00017 November 2009 22:40:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of National Weather Service Tone Alert Radio System ENS 453232009-09-02T12:30:0002 September 2009 12:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Spds Computer ENS 451572009-06-24T04:00:00024 June 2009 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Tone Alert Radios ENS 450312009-04-29T23:38:00029 April 2009 23:38:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tone Alert Radios Out of Service ENS 448272009-02-03T18:37:0003 February 2009 18:37:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System Inoperable ENS 447472009-01-01T05:42:0001 January 2009 05:42:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System Inoperable ENS 446862008-11-26T18:06:00026 November 2008 18:06:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Communications Lines ENS 444912008-09-15T04:00:00015 September 2008 04:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Notification Sirens Due to High Winds ENS 443872008-08-06T22:40:0006 August 2008 22:40:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Safety Parameter Display System Assessment Lost ENS 437102007-10-11T05:00:00011 October 2007 05:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tone Alert Radio System Out of Service for Maintenance ENS 434512007-06-27T14:15:00027 June 2007 14:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communications Capability at Eof ENS 434032007-06-04T10:55:0004 June 2007 10:55:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Partial Loss of the Public Prompt Notification System ENS 431442007-02-05T09:30:0005 February 2007 09:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Stack Effluent Monitoring Capability ENS 431252007-01-26T18:54:00026 January 2007 18:54:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Capability to Determine Stack Effluent Radioactivity Release Has Been Lost. ENS 420802005-10-26T07:33:00026 October 2005 07:33:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of the Tone Alert Prompt Notification System for Greater than One Hour ENS 416772005-05-07T07:41:0007 May 2005 07:41:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Service to Tone Alert System ENS 414342005-02-23T14:00:00023 February 2005 14:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Power Loss and Restored to Tone Alert Radio Notification System ENS 412602004-12-14T23:43:00014 December 2004 23:43:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Oswego County Prompt Notification System Out of Service for Greater than One Hour ENS 410932004-10-05T16:53:0005 October 2004 16:53:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Tone Alert Notification System for Oswego County Was Determined to Be Out of Service. ENS 402882003-11-02T23:30:0002 November 2003 23:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Notification Tone Alert Radios Out of Service/Restored to Service ENS 402512003-10-16T03:02:00016 October 2003 03:02:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Prompt Notification System (Pns) Sirens Exceeded Allowable Out of Service Time. 2023-02-06T11:30:00 | |
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