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ENS 48760
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Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(3)(iv)(A), System Actuation +
Current power
0  +
Current reactor mode
Refueling +
Description
On 2/16/13, at 0310 EST, with the reactor … On 2/16/13, at 0310 EST, with the reactor shutdown for a refueling outage, a full RPS actuation was received on Hatch Unit 2 due to Scram Discharge Volume High level. The Operations crew placed the Unit 2 mode switch to the Start-up/Hot Standby position per approved procedure for the purpose of performing the U2 Refueling Interlock functional test. The cause of the Scram was due to a Scram Discharge Volume high level caused by a malfunctioning SDV drain valve. Hatch Condition Report 591279 has been generated to document the event.</br>The NRC Resident Inspector has been informed. NRC Resident Inspector has been informed.  +
Discovered date
08:10:00, 16 February 2013  +
ENS id number
48,760  +
Emergency class
Non Emergency +
Entered date
08:38:00, 16 February 2013  +
Event date
08:10:00, 16 February 2013  +
Event description
On 2/16/13, at 0310 EST, with the reactor … On 2/16/13, at 0310 EST, with the reactor shutdown for a refueling outage, a full RPS actuation was received on Hatch Unit 2 due to Scram Discharge Volume High level. The Operations crew placed the Unit 2 mode switch to the Start-up/Hot Standby position per approved procedure for the purpose of performing the U2 Refueling Interlock functional test. The cause of the Scram was due to a Scram Discharge Volume high level caused by a malfunctioning SDV drain valve. Hatch Condition Report 591279 has been generated to document the event.</br>The NRC Resident Inspector has been informed. NRC Resident Inspector has been informed.  +
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 48760 +, ENS 48760 +, ENS 48760 +, ENS 48760 +, ENS 48760 +, ENS 48760 +, ENS 48760 +, ENS 48760 +, ENS 48760 +, ENS 48760 +, ENS 48760 +, ENS 48760 +, ENS 48760 +  and ENS 48760 +
Initial power
0  +
Initial reactor mode
Refueling +
Last update date
00:00:00, 16 February 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>.
02:01:46, 2 March 2018  +
NRC officer
Charles Teal +
Notification date
08:38:00, 16 February 2013  +
Originated by
Kenny Hunter +
Reactor critical
false  +
Reactor scram
false  +
Reactor type
GE-4 +
Region
NRC Region 2 +
Reporting criterion
10 CFR 50.72(b)(3)(iv)(A), System Actuation +
Reporting time
0.0196 d (0.47 hours, 0.0028 weeks, 6.43806e-4 months)  +
Site
Hatch +
Start date
08:10:00, 16 February 2013  +
State
Georgia +
System
Reactor Protection System +
Title
Reactor Protection System Scram Signal Due to Scram Discharge Volume High Level  +
Topic
Scram Discharge Volume +
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/2013/20130219en.html#en48760  +
Unit
2  +
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