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ENS 51449
Show incoming properties
Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material +
Current power
0  +
Current reactor mode
Refueling +
Description
On October 4th, at approximately 0956 EDT, … On October 4th, at approximately 0956 EDT, 'Operations with the Potential to Drain the Reactor Pressure Vessel' (OPDRV) was unintentionally initiated without secondary containment operable. Operators promptly identified the condition and immediately initiated actions to identify and suspend the source of the drain path. At approximately 1120 EDT the source of the OPDRV was isolated. Reactor cavity water level and spent fuel pool level remained constant throughout the event. An investigation is in progress.</br>The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified.  +
Discovered date
13:56:00, 4 October 2015  +
ENS id number
51,449  +
Emergency class
Non Emergency +
Entered date
14:16:00, 4 October 2015  +
Event date
13:56:00, 4 October 2015  +
Event description
On October 4th, at approximately 0956 EDT, … On October 4th, at approximately 0956 EDT, 'Operations with the Potential to Drain the Reactor Pressure Vessel' (OPDRV) was unintentionally initiated without secondary containment operable. Operators promptly identified the condition and immediately initiated actions to identify and suspend the source of the drain path. At approximately 1120 EDT the source of the OPDRV was isolated. Reactor cavity water level and spent fuel pool level remained constant throughout the event. An investigation is in progress.</br>The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified.  +
Has query"Has query" is a predefined property that represents meta information (in form of a <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">subobject</a>) about individual queries and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
ENS 51449 +, ENS 51449 +, ENS 51449 +, ENS 51449 +, ENS 51449 +, ENS 51449 +, ENS 51449 +, ENS 51449 +, ENS 51449 +, ENS 51449 +, ENS 51449 +, ENS 51449 +, ENS 51449 +  and ENS 51449 +
Initial power
0  +
Initial reactor mode
Refueling +
Last update date
00:00:00, 4 October 2015  +
Modification date"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
01:46:38, 2 March 2018  +
NRC officer
Mark Abramovitz +
Notification date
14:16:00, 4 October 2015  +
Originated by
Brett Jebbia +
Reactor critical
false  +
Reactor scram
false  +
Reactor type
GE-4 +
Region
NRC Region 3 +
Reporting criterion
10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material +
Reporting time
0.0138 d (0.33 hours, 0.00196 weeks, 4.52034e-4 months)  +
Site
Fermi +
Start date
13:56:00, 4 October 2015  +
State
Michigan +
System
Secondary containment +  and Reactor Pressure Vessel +
Title
Secondary Containment Inoperable with the Potential to Drain the Reactor Vessel  +
URL"URL" is a <a href="/Special:Types/URL" title="Special:Types/URL">type</a> and predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> to represent URI/URL values.
http://www.nrc.gov/reading-rm/doc-collections/event-status/event/2015/20151005en.html#en51449  +
Unit
2  +
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