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100  +
The licensee has determined that the smallThe licensee has determined that the small weep hole crack in the torus (x in shape) is in a position which requires the plant to initiate a normal shutdown to cold shutdown conditions. The crack is located about 5 feet below the waterline and just below the HPCI exhaust pipe discharge. Due to the location of this crack the licensee's engineering staff showed via analysis that it would be prudent to restrict the number of thermal cycles the crack receives. The plant is in a 1 hour Technical Specification LCO shutdown action statement. At 19:50 the licensee commenced the Technical Specification shutdown to cold shutdown conditions.</br>As an additional item, one of the four Emergency Diesel Generators was deemed inoperable at the time of the event, and continues to be in a LCO action statement.</br>The licensee made notifications to the State and local agencies, and will notify the NRC Resident Inspector.</br>*** UPDATE ON 06/30/05 AT 22:24 EDT FROM T. PAGE TO J. KNOKE ***</br>With the plant operating at 100% on June 27, 2005 during RCIC Torus Suction piping inspection per ST-24H, inspectors discovered a TORUS leak in the vicinity of a TORUS Support between Bays A and P. The leak was quantified as slight weepage with streaking and a small puddle below leak. This was captured in the plant corrective action program on CR-JAF-2005-02593. Subsequent non destructive examination determined that the leakage was from a small through wall crack. The condition was discussed with the NRC Staff at that time. Initial evaluation at that time determined that there was reasonable expectation of operability, an Operational Decision Making Instruction (ODMI) was prepared and implemented to monitor the leakage while further engineering evaluation was conducted. On June 30,2005 further engineering analysis determined that operability of the primary containment was not assured and at 19:29 on June 30, 2005 the Shift Manager declared Primary Containment Inoperable and entered Technical Specification LCO 3.6.1.1 Condition A, Primary Containment Inoperable, and declared an Unusual Event under EAL 9.1.2. Preparations were made for a reactor shutdown and the shutdown was commenced at 20:00. </br>At the time of the event the A Train of EDGs was out of service for a planned maintenance LCO. At this time the NRC Resident has been informed.</br>The A Train EDG is not available nor operable if needed. </br>The R1DO (White) and NRR EO (Carpenter) have been notified.</br>**** UPDATE ON 07/01/05 AT 1720 EDT FROM N. AVRAKOTOS MACKINNON ***</br>An Unusual Event was terminated at 1716 EDT due to achieving cold shutdown. R1DO (John White), NRR EO (Cynthia Carpenter), IRD Manager (M. Leach), FEMA (Todd Kuzia) and DHS (Craig) notified. </br>NRC Resident Inspector, State and Local officials were notified by the licensee.l officials were notified by the licensee.  
23:29:00, 30 June 2005  +
41,815  +
19:49:00, 30 June 2005  +
23:29:00, 30 June 2005  +
The licensee has determined that the smallThe licensee has determined that the small weep hole crack in the torus (x in shape) is in a position which requires the plant to initiate a normal shutdown to cold shutdown conditions. The crack is located about 5 feet below the waterline and just below the HPCI exhaust pipe discharge. Due to the location of this crack the licensee's engineering staff showed via analysis that it would be prudent to restrict the number of thermal cycles the crack receives. The plant is in a 1 hour Technical Specification LCO shutdown action statement. At 19:50 the licensee commenced the Technical Specification shutdown to cold shutdown conditions.</br>As an additional item, one of the four Emergency Diesel Generators was deemed inoperable at the time of the event, and continues to be in a LCO action statement.</br>The licensee made notifications to the State and local agencies, and will notify the NRC Resident Inspector.</br>*** UPDATE ON 06/30/05 AT 22:24 EDT FROM T. PAGE TO J. KNOKE ***</br>With the plant operating at 100% on June 27, 2005 during RCIC Torus Suction piping inspection per ST-24H, inspectors discovered a TORUS leak in the vicinity of a TORUS Support between Bays A and P. The leak was quantified as slight weepage with streaking and a small puddle below leak. This was captured in the plant corrective action program on CR-JAF-2005-02593. Subsequent non destructive examination determined that the leakage was from a small through wall crack. The condition was discussed with the NRC Staff at that time. Initial evaluation at that time determined that there was reasonable expectation of operability, an Operational Decision Making Instruction (ODMI) was prepared and implemented to monitor the leakage while further engineering evaluation was conducted. On June 30,2005 further engineering analysis determined that operability of the primary containment was not assured and at 19:29 on June 30, 2005 the Shift Manager declared Primary Containment Inoperable and entered Technical Specification LCO 3.6.1.1 Condition A, Primary Containment Inoperable, and declared an Unusual Event under EAL 9.1.2. Preparations were made for a reactor shutdown and the shutdown was commenced at 20:00. </br>At the time of the event the A Train of EDGs was out of service for a planned maintenance LCO. At this time the NRC Resident has been informed.</br>The A Train EDG is not available nor operable if needed. </br>The R1DO (White) and NRR EO (Carpenter) have been notified.</br>**** UPDATE ON 07/01/05 AT 1720 EDT FROM N. AVRAKOTOS MACKINNON ***</br>An Unusual Event was terminated at 1716 EDT due to achieving cold shutdown. R1DO (John White), NRR EO (Cynthia Carpenter), IRD Manager (M. Leach), FEMA (Todd Kuzia) and DHS (Craig) notified. </br>NRC Resident Inspector, State and Local officials were notified by the licensee.l officials were notified by the licensee.  
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1.157407e-5 d (2.777778e-4 hours, 1.653439e-6 weeks, 3.805e-7 months)  +
100  +
00:00:00, 1 July 2005  +
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>.
02:20:41, 2 March 2018  +
19:49:00, 30 June 2005  +
false  +
-0.153 d (-3.67 hours, -0.0218 weeks, -0.00503 months)  +
23:29:00, 30 June 2005  +
Primary Containment Inoperable Due to Small Crack in Torus  +
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.
1  +