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During review of a High Energy Line Break … During review of a High Energy Line Break (HELB) analysis a condition was discovered where a break in the auxiliary steam system could result in a loss of all the containment fans and coolers, which are required to be maintained operable due to procedural restrictions to mitigate a design basis accident.</br>The plant entered Technical Specification (T.S.) 2.0.1 at 1245 CDT. This specification requires a plant shutdown within 6 hours. Operations personnel isolated auxiliary steam to the affected areas of the Auxiliary Building at 1305 CDT. With auxiliary steam isolated to the Auxiliary Building, containment fans and associated coolers were restored to an operable status. Plant exited T.S. 2.0.1 at 1305 CDT.</br>The licensee notified the NRC Resident Inspector.</br>* * * RETRACTION AT 1224 EDT ON 5/5/08 FROM MATZKE TO HUFFMAN * * * </br>An exhaustive review of the high energy line break licensing and design basis for the auxiliary steam system as it impacts the safety functions or the containment coolers has determined that the required safety functions are met for the licensed and designed basis of the plant. Therefore the previous notification (EN 44138) of April 14 is being withdrawn.</br>The licensee notified the NRC Resident Inspector. R4DO (Pick) notified.Resident Inspector. R4DO (Pick) notified. +
17:45:00, 14 April 2008 +
44,138 +
16:05:00, 14 April 2008 +
17:45:00, 14 April 2008 +
During review of a High Energy Line Break … During review of a High Energy Line Break (HELB) analysis a condition was discovered where a break in the auxiliary steam system could result in a loss of all the containment fans and coolers, which are required to be maintained operable due to procedural restrictions to mitigate a design basis accident.</br>The plant entered Technical Specification (T.S.) 2.0.1 at 1245 CDT. This specification requires a plant shutdown within 6 hours. Operations personnel isolated auxiliary steam to the affected areas of the Auxiliary Building at 1305 CDT. With auxiliary steam isolated to the Auxiliary Building, containment fans and associated coolers were restored to an operable status. Plant exited T.S. 2.0.1 at 1305 CDT.</br>The licensee notified the NRC Resident Inspector.</br>* * * RETRACTION AT 1224 EDT ON 5/5/08 FROM MATZKE TO HUFFMAN * * * </br>An exhaustive review of the high energy line break licensing and design basis for the auxiliary steam system as it impacts the safety functions or the containment coolers has determined that the required safety functions are met for the licensed and designed basis of the plant. Therefore the previous notification (EN 44138) of April 14 is being withdrawn.</br>The licensee notified the NRC Resident Inspector. R4DO (Pick) notified.Resident Inspector. R4DO (Pick) notified. +
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100 +
00:00:00, 5 May 2008 +
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>.
22:34:42, 24 September 2017 +
16:05:00, 14 April 2008 +
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17:45:00, 14 April 2008 +
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