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ENS 51918
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Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation +  and 10 CFR 50.72(b)(3)(iv)(A), System Actuation +
Current power
0  +
Current reactor mode
Hot Standby +
Description
At 0653 (CDT) on 5/11/16, Farley Unit 2 re … At 0653 (CDT) on 5/11/16, Farley Unit 2 reactor was manually tripped from 29 (percent) power. The initiating event was hi-hi Steam Generator level. Steam Generator levels began to rise following the start of a second condensate pump. The hi-hi steam generator level setpoint was reached causing the only running main feedwater pump to trip, a main feedwater isolation, and an automatic turbine trip. Auxiliary feedwater automatically started as expected. The reactor was manually tripped per procedure. All other systems responded properly for the event and there were no complications. </br>The plant is currently stable in Mode 3.</br>The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified.  +
Discovered date
11:53:00, 11 May 2016  +
ENS id number
51,918  +
Emergency class
Non Emergency +
Entered date
10:56:00, 11 May 2016  +
Equipment trip
Turbine Trip +
Event date
11:53:00, 11 May 2016  +
Event description
At 0653 (CDT) on 5/11/16, Farley Unit 2 re … At 0653 (CDT) on 5/11/16, Farley Unit 2 reactor was manually tripped from 29 (percent) power. The initiating event was hi-hi Steam Generator level. Steam Generator levels began to rise following the start of a second condensate pump. The hi-hi steam generator level setpoint was reached causing the only running main feedwater pump to trip, a main feedwater isolation, and an automatic turbine trip. Auxiliary feedwater automatically started as expected. The reactor was manually tripped per procedure. All other systems responded properly for the event and there were no complications. </br>The plant is currently stable in Mode 3.</br>The NRC Resident Inspector has been notified. NRC Resident Inspector has been notified.  +
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ENS 51918 +, ENS 51918 +, ENS 51918 +, ENS 51918 +, ENS 51918 +, ENS 51918 +, ENS 51918 +, ENS 51918 +, ENS 51918 +, ENS 51918 +, ENS 51918 +, ENS 51918 +, ENS 51918 +, ENS 51918 +  and ENS 51918 +
Initial power
29  +
Initial reactor mode
Power Operation +
Last update date
00:00:00, 11 May 2016  +
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>.
01:45:10, 2 March 2018  +
NRC officer
Jeff Herrera +
Notification date
10:56:00, 11 May 2016  +
Originated by
Robert Norris +
Reactor critical
true  +
Reactor scram
true  +
Reactor type
Westinghouse PWR 3-Loop +
Region
NRC Region 2 +
Reporting criterion
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation +  and 10 CFR 50.72(b)(3)(iv)(A), System Actuation +
Reporting time
-0.0396 d (-0.95 hours, -0.00565 weeks, -0.0013 months)  +
Scram
Manual Scram +
Site
Farley +
Start date
11:53:00, 11 May 2016  +
State
Alabama +
System
Steam Generator +, Feedwater +  and Auxiliary Feedwater +
Title
Farley Unit 2 Trip on Hi Hi Steam Generator Level  +
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/2016/20160512en.html#en51918  +
Unit
2  +
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