ENS 46248
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ENS Event | |
|---|---|
14:31 Sep 13, 2010 | |
| Title | Scheduled Telephone Cable Rerouting Impacts to the Control Room and Technical Support Center |
| Event Description | This is an eight hour report per 10 CFR 50.72 (b)(3)(xiii). Nine Mile Point is implementing a scheduled modification to reroute telephone cables as part of a planned Interim Spent Fuel Storage (ISFSI) modification. This rerouting will enable construction of the roadway to the ISFSI storage location and ensure no damage to telephone cables which currently pass through the roadway. The re-routing will ensure that no cabling important to control room and or TSC will pass under the roadway
This work required that all Federal Telephone System (FTS) 2001 lines including Emergency Notification System (ENS), Health Physics Network (HPN) and Emergency Response Data System (ERDS) be removed for a period of approximately 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />. During the upgrade starts only 5 circuits were removed at a time and tested upon completion of re-routing. There was at least 2 alternate means of communication (via commercial telephone lines) continuously available. If an emergency had been declared during this period, the Control Room had the capability to make the notification to the offsite agencies using commercial telephone lines. The emergency preparedness communications procedure provides adequate instructions for use of these backup means. The Nine Mile Point procedures provide for alternate means of emergency assessment capability. All work associated with this modification was performed in an expeditious manner consistent with the goal of minimizing unavailability of the systems listed above. A test of all systems will be performed at the completion of the upgrade. All Control Room personnel have been briefed on this work and expected contingent actions. This job began on Monday, September 13, 2010 at approximately 1031 [EDT] and was completed at 1153 [EDT]. 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:+-1.93 h-0.0804 days <br />-0.0115 weeks <br />-0.00264 months <br />) | |
| Opened: | John Driscoll 12:35 Sep 13, 2010 |
| NRC Officer: | Steve Sandin |
| Last Updated: | Sep 13, 2010 |
| 46248 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
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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