Browse wiki
Jump to navigation
Jump to search
100 +
A condition was discovered on December 29, … A condition was discovered on December 29, 2013 that could have prevented the fulfillment of safety functions to shutdown the reactor and maintain it in a safe shutdown condition and mitigate the consequences of an accident.</br>On December 29, 2013, a water tight door between the East Switchgear and Service Building was discovered not dogged (unlatched). Upon discovery, the safety function was immediately restored by properly dogging (latching) the subject door.</br>The subject door between the East Switchgear and Service Building protects both trains' of safety related switchgears. The access Key Log indicates the door was in the condition for approximately 60 minutes. If the door is inoperable, then T.S. 3.0.3 applies.</br>This condition is being reported pursuant to 10CFR50.72(b)(3)(v)(A) and 10CFR50.72(b)(3))(v)(D).</br>The NRC Resident lnspector has been notified (by the licensee).</br>The licensee has notified state and local authorities.</br>The door is required to be properly secured to protect the East Switchgear from a potential High Energy Line Break and was left improperly dogged by a security officer while making rounds. Millstone Unit 3 did not enter T.S.3.0.3 and continues to operate at 100%.</br>* * * RETRACTION FROM GARY CLOSIUS TO JOHN SHOEMAKER AT 1402 EST ON 2/27/14 * * *</br>Upon further review the fact that the switchgear room door was closed but not latched did not render the switchgear within the room inoperable, and therefore, there was no loss of safety function. The engineering evaluation determined the switchgear would have been protected for high energy line break, flooding, and tornado pressure drop events. Additionally, the carbon dioxide fire suppression capability would have also been maintained. The details of the engineering review will be provided to the NRC Senior Resident Inspector. </br>Notified R1DO (DeFrancisco).t Inspector.
Notified R1DO (DeFrancisco). +
12:44:00, 29 December 2013 +
15:25:00, 29 December 2013 +
12:44:00, 29 December 2013 +
A condition was discovered on December 29, … A condition was discovered on December 29, 2013 that could have prevented the fulfillment of safety functions to shutdown the reactor and maintain it in a safe shutdown condition and mitigate the consequences of an accident.</br>On December 29, 2013, a water tight door between the East Switchgear and Service Building was discovered not dogged (unlatched). Upon discovery, the safety function was immediately restored by properly dogging (latching) the subject door.</br>The subject door between the East Switchgear and Service Building protects both trains' of safety related switchgears. The access Key Log indicates the door was in the condition for approximately 60 minutes. If the door is inoperable, then T.S. 3.0.3 applies.</br>This condition is being reported pursuant to 10CFR50.72(b)(3)(v)(A) and 10CFR50.72(b)(3))(v)(D).</br>The NRC Resident lnspector has been notified (by the licensee).</br>The licensee has notified state and local authorities.</br>The door is required to be properly secured to protect the East Switchgear from a potential High Energy Line Break and was left improperly dogged by a security officer while making rounds. Millstone Unit 3 did not enter T.S.3.0.3 and continues to operate at 100%.</br>* * * RETRACTION FROM GARY CLOSIUS TO JOHN SHOEMAKER AT 1402 EST ON 2/27/14 * * *</br>Upon further review the fact that the switchgear room door was closed but not latched did not render the switchgear within the room inoperable, and therefore, there was no loss of safety function. The engineering evaluation determined the switchgear would have been protected for high energy line break, flooding, and tornado pressure drop events. Additionally, the carbon dioxide fire suppression capability would have also been maintained. The details of the engineering review will be provided to the NRC Senior Resident Inspector. </br>Notified R1DO (DeFrancisco).t Inspector.
Notified R1DO (DeFrancisco). +
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>.
100 +
00:00:00, 27 February 2014 +
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>.
22:20:42, 24 September 2017 +
15:25:00, 29 December 2013 +
true +
false +
0.112 d (2.68 hours, 0.016 weeks, 0.00367 months) +
12:44:00, 29 December 2013 +
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.