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ENS 46824
Show incoming properties
Category
ENS Notification  and Power Reactor
CFR
Other Unspec Reqmnt +
Current power
0  +
Current reactor mode
Cold Shutdown +
Description
Operators were making preparations to fill … Operators were making preparations to fill the Containment Spray System riser to support outage activities. At 0204 CDT, when Containment Spray Riser Isolation Valve CS-125A was opened, pressurizer level began to lower. The licensee suspects leak by of a valve in the Shutdown Cooling System. At 0214 CDT, the leak was stopped. Pressurizer level was lowered by 2.6%.</br>After reviewing the event, the licensee determined that the leak rate was greater than 25 gpm which would have resulted in a declaration of an Unusual Event under EAL CU1. Since the event had concluded, no declaration was made.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector.  +
Discovered date
07:09:00, 6 May 2011  +
ENS id number
46,824  +
Emergency class
Non Emergency +
Entered date
04:07:00, 6 May 2011  +
Event date
07:09:00, 6 May 2011  +
Event description
Operators were making preparations to fill … Operators were making preparations to fill the Containment Spray System riser to support outage activities. At 0204 CDT, when Containment Spray Riser Isolation Valve CS-125A was opened, pressurizer level began to lower. The licensee suspects leak by of a valve in the Shutdown Cooling System. At 0214 CDT, the leak was stopped. Pressurizer level was lowered by 2.6%.</br>After reviewing the event, the licensee determined that the leak rate was greater than 25 gpm which would have resulted in a declaration of an Unusual Event under EAL CU1. Since the event had concluded, no declaration was made.</br>The licensee notified the NRC Resident Inspector.ensee notified the NRC Resident Inspector.  +
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 46824 +, ENS 46824 +, ENS 46824 +, ENS 46824 +, ENS 46824 +, ENS 46824 +, ENS 46824 +, ENS 46824 +, ENS 46824 +, ENS 46824 +, ENS 46824 +, ENS 46824 +, ENS 46824 +  and ENS 46824 +
Initial power
0  +
Initial reactor mode
Cold Shutdown +
Last update date
00:00:00, 6 May 2011  +
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>.
02:07:15, 2 March 2018  +
NRC officer
Howie Crouch +
Notification date
04:07:00, 6 May 2011  +
Originated by
Michael Shumate +
Reactor critical
false  +
Reactor scram
false  +
Reactor type
CE +
Region
NRC Region 4 +
Reporting criterion
Other Unspec Reqmnt +
Reporting time
-0.126 d (-3.03 hours, -0.018 weeks, -0.00415 months)  +
Site
Waterford +
Start date
07:09:00, 6 May 2011  +
State
Louisiana +
System
Shutdown Cooling +  and Containment Spray +
Title
Discovery of an After-The-Fact Unusual Event  +
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/2011/20110509en.html#en46824  +
Unit
3  +
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