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ENS 48982
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Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness +
Current power
0  +
Current reactor mode
Defueled +
Description
Systems affected: Main steam line radiatio … Systems affected: Main steam line radiation monitors, MSS-RE75, RE77, and Terry Turbine radiation monitor MSS-RE79.</br>Actuations & their initiation signals: None.</br>Causes: Preplanned electrical maintenance of radiation monitors power supplies.</br>Effect of event on plant: Loss of assessment capabilities from radiation monitors used for EAL (Emergency Action Level) classification.</br>Actions taken or planned: Maintenance of electrical power supplies to radiation monitors.</br>Additional information: Radiation monitors will be removed from service for approximately 48 hours.</br>The licensee has notified the NRC Resident Inspector and applicable state and local authorities.or and applicable state and local authorities.  +
Discovered date
05:20:00, 30 April 2013  +
ENS id number
48,982  +
Emergency class
Non Emergency +
Entered date
05:06:00, 30 April 2013  +
Event date
05:20:00, 30 April 2013  +
Event description
Systems affected: Main steam line radiatio … Systems affected: Main steam line radiation monitors, MSS-RE75, RE77, and Terry Turbine radiation monitor MSS-RE79.</br>Actuations & their initiation signals: None.</br>Causes: Preplanned electrical maintenance of radiation monitors power supplies.</br>Effect of event on plant: Loss of assessment capabilities from radiation monitors used for EAL (Emergency Action Level) classification.</br>Actions taken or planned: Maintenance of electrical power supplies to radiation monitors.</br>Additional information: Radiation monitors will be removed from service for approximately 48 hours.</br>The licensee has notified the NRC Resident Inspector and applicable state and local authorities.or and applicable state and local authorities.  +
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 48982 +, ENS 48982 +, ENS 48982 +, ENS 48982 +, ENS 48982 +, ENS 48982 +, ENS 48982 +, ENS 48982 +, ENS 48982 +, ENS 48982 +, ENS 48982 +, ENS 48982 +, ENS 48982 +  and ENS 48982 +
Hours
5.555556e-4 d (0.0133 hours, 7.936508e-5 weeks, 1.8264e-5 months)  +
Initial power
0  +
Initial reactor mode
Defueled +
Last update date
00:00:00, 30 April 2013  +
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>.
02:01:07, 2 March 2018  +
NRC officer
John Shoemaker +
Notification date
05:06:00, 30 April 2013  +
Originated by
Michel Ciccone +
Reactor critical
false  +
Reactor scram
false  +
Reactor type
Westinghouse PWR 4-Loop +
Region
NRC Region 1 +
Reporting criterion
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness +
Reporting time
-0.00958 d (-0.23 hours, -0.00137 weeks, -3.15054e-4 months)  +
Site
Millstone +
Start date
05:20:00, 30 April 2013  +
State
Connecticut +
Title
Planned Maintenance of Radiation Monitors Used for Eal Classification  +
Topic
Main Steam Line Radiation Monitor +
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/2013/20130501en.html#en48982  +
Unit
3  +
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