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ENS 41242
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Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness +
Current power
100  +
Current reactor mode
Power Operation +
Description
Actual failure was 100% (106 sirens) due t … Actual failure was 100% (106 sirens) due to loss of power to station on-site/off-site radio repeaters. Failure occurred at 22:30 12-03-04. System was restored on temporary power at 23:06 12-03-04. State and local counties notified of failure at 23:26 12-03-04. System returned to normal power a 01:00 12-04-04. Station resident inspectors notified (J. Zeiler and M. King). System verified communications at 92% availabilityerified communications at 92% availability  +
Discovered date
03:30:00, 4 December 2004  +
ENS id number
41,242  +
Emergency class
Non Emergency +
Entered date
02:50:00, 4 December 2004  +
Event date
03:30:00, 4 December 2004  +
Event description
Actual failure was 100% (106 sirens) due t … Actual failure was 100% (106 sirens) due to loss of power to station on-site/off-site radio repeaters. Failure occurred at 22:30 12-03-04. System was restored on temporary power at 23:06 12-03-04. State and local counties notified of failure at 23:26 12-03-04. System returned to normal power a 01:00 12-04-04. Station resident inspectors notified (J. Zeiler and M. King). System verified communications at 92% availabilityerified communications at 92% availability  +
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 41242 +, ENS 41242 +, ENS 41242 +, ENS 41242 +, ENS 41242 +, ENS 41242 +, ENS 41242 +, ENS 41242 +, ENS 41242 +, ENS 41242 +, ENS 41242 +, ENS 41242 +, ENS 41242 +  and ENS 41242 +
Initial power
100  +
Initial reactor mode
Power Operation +
Last update date
00:00:00, 7 December 2004  +
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>.
22:42:01, 24 September 2017  +
NRC officer
John Mackinnon +
Notification date
02:50:00, 4 December 2004  +
Originated by
Steven Webster +
Reactor critical
true  +
Reactor scram
false  +
Reactor type
Westinghouse PWR 3-Loop +
Region
NRC Region 2 +
Reporting criterion
10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness +
Reporting time
-0.0279 d (-0.67 hours, -0.00399 weeks, -9.17766e-4 months)  +
Site
Summer +
Start date
03:30:00, 4 December 2004  +
State
South Carolina +
Title
Early Warning Siren System Failure  +
Topic
Siren +
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/2004/20041208en.html#en41242  +
Unit
1  +
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