ENS 47615
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ENS Event | |
|---|---|
11:33 Jan 23, 2012 | |
| Title | Technical Support Center Out of Service Due to Planned Maintenance |
| Event Description | On January 23, 2012 at 0633 hours0.00733 days <br />0.176 hours <br />0.00105 weeks <br />2.408565e-4 months <br />, planned routine preventive maintenance was initiated on the Technical Support Center/Operations Support Center (TSC/OSC) diesel generator. The planned maintenance includes fluid and filter replacements, damper inspections and cleaning and is scheduled to be complete on January 26, at 1500 hours0.0174 days <br />0.417 hours <br />0.00248 weeks <br />5.7075e-4 months <br />. The normal TSC/OSC power supply and all other TSC/OSC functions remain available. During certain periods of the preventive maintenance the diesel generator would not be capable of being restored to service within one hour.
Under certain accident conditions the TSC/OSC may become unavailable as a result of the diesel generator not being available. Existing Emergency Procedures direct the responsible Emergency Plant Manager to relocate the TSC/OSC staff to the designated alternate location (EOF or main control room) as required. The affected Emergency Response Organization facility leads have been informed. The USNRC Resident Inspector Staff has been notified. This notification to the USNRC Operations Center is being made in accordance with 10 CFR 50.72 (b)(3)(xiii) due to the potential loss of an Emergency Response Facility (ERF). The licensee plans to notify the Commonwealth of Massachusetts. |
| Where | |
|---|---|
| Pilgrim Massachusetts (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+1.17 h0.0488 days <br />0.00696 weeks <br />0.0016 months <br />) | |
| Opened: | Kenneth Gracia 12:43 Jan 23, 2012 |
| NRC Officer: | Steve Sandin |
| Last Updated: | Jan 23, 2012 |
| 47615 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Pilgrim with 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
WEEKMONTHYEARENS 532422018-03-03T04:15:0003 March 2018 04:15:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Potential Loss of Offsite Response Capabilities ENS 530412017-10-30T06:47:00030 October 2017 06:47:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Severe Weather Causes Loss of Power to Support Buildings ENS 515232015-11-09T13:00:0009 November 2015 13:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Unavailable Due to Planned Maintenance ENS 507902015-02-05T18:00:0005 February 2015 18:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Sea Water Intake Bay Level Instrumentation Due to Loss of Instrument Air ENS 502732014-07-11T12:23:00011 July 2014 12:23:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Assessment Capability - Loss of Power to the Plant Process Computer ENS 499052014-03-12T17:15:00012 March 2014 17:15:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Communication - Federal Telephone System (Fts) ENS 496052013-12-03T18:30:0003 December 2013 18:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Communications Capability- Ep Conferencing Lines Unavailable ENS 490132013-05-08T21:00:0008 May 2013 21:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Main Annunciator System Inoperable Due to Maintenance ENS 489972013-05-03T09:42:0003 May 2013 09:42:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Main Control Room Annunciators During Planned Spds Maintenance ENS 487432013-02-11T19:35:00011 February 2013 19:35:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Response Capability - Joint Information Center (Jic) Unavailable ENS 485742012-12-10T19:14:00010 December 2012 19:14:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Response Capability - Tsc/Osc Unavailable ENS 476152012-01-23T11:33:00023 January 2012 11:33:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Out of Service Due to Planned Maintenance ENS 462712010-09-23T10:00:00023 September 2010 10:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Response Capability - Tsc/Osc Is Unavailable ENS 458402010-04-14T21:03:00014 April 2010 21:03:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Response Organization In-Plant Notification System ENS 452192009-07-21T18:05:00021 July 2009 18:05:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Response Capability - Tsc/Osc Is Unavailable Due to Hvac System Trouble ENS 445092008-09-22T10:00:00022 September 2008 10:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center and Operational Support Center Unavailable ENS 436672007-09-26T18:55:00026 September 2007 18:55:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center and Operations Support Center Ventilation Inoperable ENS 404482004-01-14T15:00:00014 January 2004 15:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Sirens Inoperable/Degraded Due to Potential Amplifier Problems 2018-03-03T04:15:00 | |
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