ENS 53500
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ENS Event | |
|---|---|
05:00 Jul 11, 2018 | |
| Title | Meteorological Data Unavailable |
| Event Description | On July 11, 2018, as part of pre-planned maintenance, the site meteorological tower will be removed from service. The tower will be out of service for approximately 11 days. As a result, this is reportable under 10CFR 50.72 (b)(3)(xiii). During the time the data is not available from the meteorological tower; compensatory measures will be in place to obtain the data from the National Weather Service if necessary.
The [NRC] Resident Inspector has been notified. |
| Where | |
|---|---|
Duane Arnold  Iowa (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+-1.03 h-0.0429 days <br />-0.00613 weeks <br />-0.00141 months <br />) | |
| Opened: | Douglas Peterson 03:58 Jul 11, 2018 |
| NRC Officer: | Vince Klco |
| Last Updated: | Jul 11, 2018 |
| 53500 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (97 %) |
| After | Power Operation (97 %) |
WEEKMONTHYEARENS 535002018-07-11T05:00:00011 July 2018 05:00:00
[Table view]10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Meteorological Data Unavailable ENS 507432015-01-19T03:31:00019 January 2015 03:31:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Normal Technical Support Center Power ENS 497472014-01-21T04:30:00021 January 2014 04:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Emergency Diesel Generator Out of Service ENS 495572013-11-19T10:20:00019 November 2013 10:20:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Emergency Backup Power Supply Maintenance ENS 494152013-10-07T15:27:0007 October 2013 15:27:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Maintenance Causing Loss of Meteorological Tower Data ENS 493832013-09-25T08:04:00025 September 2013 08:04:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Normal Tsc Power Due to Transformer Isolation ENS 493572013-09-19T09:50:00019 September 2013 09:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Emergency Diesel Generator Removed from Service for Planned Maintenance ENS 490922013-06-06T13:00:0006 June 2013 13:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Emergency Power Supply Removed from Service for Planned Maintenance ENS 486482013-01-03T15:30:0003 January 2013 15:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Erds Capability ENS 485102012-11-16T14:10:00016 November 2012 14:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Spds Out of Service Due to Planned Maintenance ENS 482962012-09-11T08:08:00011 September 2012 08:08:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Non-Functional Due to Planned Maintenance ENS 482142012-08-21T09:07:00021 August 2012 09:07:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Out of Service ENS 475572011-12-29T15:10:00029 December 2011 15:10:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Planned Maintenance on Plant Process Computer ENS 474902011-11-30T15:35:00030 November 2011 15:35:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Plant Process Computer Out of Service Due to Planned Maintenance ENS 474312011-11-11T16:21:00011 November 2011 16:21:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Inoperable Due to Planned Maintenance ENS 473542011-10-19T15:00:00019 October 2011 15:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Emergency Diesel Non-Functional ENS 473502011-10-18T09:50:00018 October 2011 09:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Emergency Diesel Generator Out of Service ENS 472352011-09-01T15:50:0001 September 2011 15:50:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Diesel Generator Non-Functional ENS 471382011-08-10T06:00:00010 August 2011 06:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Potential Loss of Tsc Operability While Performing Planned Maintenance ENS 465422011-01-14T14:40:00014 January 2011 14:40:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Out of Service Due to Maintenance ENS 453402009-09-11T16:01:00011 September 2009 16:01:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Unavailable Due to Maintenance ENS 442912008-06-12T16:30:00012 June 2008 16:30:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Unusual Event Declared Due to a Major Loss of Response and Communications Capability ENS 422992006-02-02T00:55:0002 February 2006 00:55:00 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Site External Communications ENS 422412006-01-04T17:00:0004 January 2006 17:00:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Partial Loss of Emergency Sirens ENS 409952004-08-28T06:46:00028 August 2004 06:46:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Failure of the Plant Process Computer Due to Loss of Power Supply 2018-07-11T05:00:00 | |
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