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On July 23, 2015 at 0115 (CDT), Callaway P … On July 23, 2015 at 0115 (CDT), Callaway Plant initiated a shutdown required by Technical Specifications (TS). At 2139 (CDT) on July 22, 2015, TS 3.4.13 Condition A was entered due to unidentified RCS leakage being in excess of the 1 gpm TS limit. The leak was indicated by an increase in containment radiation readings, increasing sump levels, and decreasing levels in the Volume Control tank (VCT).</br>A containment entry identified a steam plume; due to personnel safety the exact location of the leak inside the containment building could not be determined.</br>At this time radiation levels inside (the) containment are stable and slightly above normal. There have been no releases from the plant above normal levels.</br>The (NRC) Senior Resident Inspector was notified.</br>* * * UPDATE PROVIDED BY ROB STOUGH TO JEFF ROTTON AT 1757 EDT ON 07/23/2015 * * *</br>Callaway entered TS 3.4.13 Condition B at 0053 (CDT on July 23, 2015) for the subject leakage since reactor coolant pressure boundary leakage could not be ruled out by visual inspection. The estimated leak rate when the decision was made to shut down the plant was approximately 1.8 gpm. The plant entered Mode 3 at 0600 CDT.</br>Additionally, at approximately 1315, it was determined that the duration of the required outage would be greater than three days, thus requiring notification to the Missouri Public Service Commission. This offsite notification is reportable to the NRC (per 10CFR50.72(b)(2)(xi)), and the above table has been updated to reflect this reporting requirement.</br>The licensee notified the NRC Resident Inspector.</br>Notified R4DO (Gepford).</br>* * * UPDATE FROM RICHARD HUGHEY TO VINCE KLCO AT 0728 EDT ON 7/26/2015 * * * </br>Clarification to the initial event notification: the term 'RCS' used above means 'Reactor Coolant System.' Therefore the second sentence from the initial notification is clarified to read, 'At 2139 (CDT) on July 22, 2015, TS 3.4.13 Condition A was entered due to unidentified Reactor Coolant System (RCS) leakage being in excess of the 1 gallon per minute (gpm) TS limit.'</br>The licensee notified the NRC Resident Inspector.</br>Notified the R4DO (Gepford).nt Inspector.
Notified the R4DO (Gepford).
06:15:00, 23 July 2015 +
51,253 +
04:21:00, 23 July 2015 +
06:15:00, 23 July 2015 +
On July 23, 2015 at 0115 (CDT), Callaway P … On July 23, 2015 at 0115 (CDT), Callaway Plant initiated a shutdown required by Technical Specifications (TS). At 2139 (CDT) on July 22, 2015, TS 3.4.13 Condition A was entered due to unidentified RCS leakage being in excess of the 1 gpm TS limit. The leak was indicated by an increase in containment radiation readings, increasing sump levels, and decreasing levels in the Volume Control tank (VCT).</br>A containment entry identified a steam plume; due to personnel safety the exact location of the leak inside the containment building could not be determined.</br>At this time radiation levels inside (the) containment are stable and slightly above normal. There have been no releases from the plant above normal levels.</br>The (NRC) Senior Resident Inspector was notified.</br>* * * UPDATE PROVIDED BY ROB STOUGH TO JEFF ROTTON AT 1757 EDT ON 07/23/2015 * * *</br>Callaway entered TS 3.4.13 Condition B at 0053 (CDT on July 23, 2015) for the subject leakage since reactor coolant pressure boundary leakage could not be ruled out by visual inspection. The estimated leak rate when the decision was made to shut down the plant was approximately 1.8 gpm. The plant entered Mode 3 at 0600 CDT.</br>Additionally, at approximately 1315, it was determined that the duration of the required outage would be greater than three days, thus requiring notification to the Missouri Public Service Commission. This offsite notification is reportable to the NRC (per 10CFR50.72(b)(2)(xi)), and the above table has been updated to reflect this reporting requirement.</br>The licensee notified the NRC Resident Inspector.</br>Notified R4DO (Gepford).</br>* * * UPDATE FROM RICHARD HUGHEY TO VINCE KLCO AT 0728 EDT ON 7/26/2015 * * * </br>Clarification to the initial event notification: the term 'RCS' used above means 'Reactor Coolant System.' Therefore the second sentence from the initial notification is clarified to read, 'At 2139 (CDT) on July 22, 2015, TS 3.4.13 Condition A was entered due to unidentified Reactor Coolant System (RCS) leakage being in excess of the 1 gallon per minute (gpm) TS limit.'</br>The licensee notified the NRC Resident Inspector.</br>Notified the R4DO (Gepford).nt Inspector.
Notified the R4DO (Gepford).
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Completion of a Shutdown Required by the Technical Specifications - TS 3.4.13 +, Manual Auxiliary Feedwater System Actuation +, Auxiliary Feedwater Control Valve Inoperable Due To Faulty Electronic Positioner Card +, Regarding Completion of a Shutdown Required by the Technical Specifications - TS 3.4.13 +, 05000483/LER-2015-002, Regarding Manual Auxiliary Feedwater System Actuation +, 05000483/LER-2015-004, Regarding Auxiliary Feedwater Control Valve Inoperable Due to Faulty Electronic Positioner Card +, Regarding Auxiliary Feedwater Control Valve Inoperable Due to Faulty Electronic Positioner Card + and 05000483/LER-2015-001, Regarding Completion of a Shutdown Required by the Technical Specifications - TS 3.4.13 +
00:00:00, 26 July 2015 +
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>.
01:47:10, 2 March 2018 +
04:21:00, 23 July 2015 +
Vince Klco + and Jeff Rotton +
true +
false +
-0.0792 d (-1.9 hours, -0.0113 weeks, -0.0026 months) +
06:15:00, 23 July 2015 +
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