ENS 52946
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ENS Event | |
|---|---|
15:48 Sep 2, 2017 | |
| Title | Area Radiation Monitor Failure |
| Event Description | MCR (Main Control Room) area radiation monitor R-1 failed at 1148 [EDT on] 9/2/2017. This caused a loss of capability to classify EAL [Emergency Action Level] RA3.1, Dose Rates greater than 15 mrem/hr in either of the following areas requiring continuous occupancy to maintain plant safety functions: Control Room (R-1) or CAS [Central Alarm Station]. Compensatory measures are currently in place with a portable radiation monitor in the MCR with alarm setpoints consistent with R-1. Priority maintenance is being planned to restore R-1 to service.
The licensee will notify the NRC Resident Inspector. |
| Where | |
|---|---|
Ginna  New York (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+3.8 h0.158 days <br />0.0226 weeks <br />0.00521 months <br />) | |
| Opened: | Thomas Joachimczyk 19:36 Sep 2, 2017 |
| NRC Officer: | Bethany Cecere |
| Last Updated: | Sep 2, 2017 |
| 52946 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 563632023-02-06T11:30:0006 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 536962018-10-26T04:00:00026 October 2018 04:00:00 10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Automatic Start of the Emergency Diesel Generator and Loss of Radiation Monitor ENS 532722018-03-19T13:30:00019 March 2018 13:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Out of Service ENS 529462017-09-02T15:48:0002 September 2017 15:48:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Area Radiation Monitor Failure ENS 505362014-10-14T14:03:00014 October 2014 14:03:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Out of Service ENS 495482013-11-18T10:12:00018 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 492652013-08-12T12:59:00012 August 2013 12:59:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Technical Support Center Ventilation Removed from Service for Planned Maintenance ENS 491772013-07-07T07:26:0007 July 2013 07:26:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Loss of Emergency Sirens Due to Power Outages ENS 431432007-02-05T10:25:0005 February 2007 10:25:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Blocked Emergency Vehicle Access ENS 430642006-12-26T15:30:00026 December 2006 15:30:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Sirens Fail to Operate from County Facilities ENS 409772004-08-23T17:22:00023 August 2004 17:22:00 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness Emergency Sirens Did Not Activate 2023-02-06T11:30:00 | |
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