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On November 20, 2013 at 2240 (EST), second … On November 20, 2013 at 2240 (EST), secondary containment drawndown testing surveillance failed to meet acceptance criteria SR 3.6.4.1.5 due to maximum flow rate exceeding the allowable value.</br>SSES (Susquehanna Steam Electric Station) previously entered SR 3.0.3 at 0900 on 11/15/2013 due to not meeting SR 3.6.4.1.4 and SR 3.6.4.1.5 because of an untested alignment of the 101 bay with ventilation aligned as a no zone during past performances of the drawdown testing surveillance. The surveillance being performed on 11/20/2013 was testing this previously unsurveilled alignment.</br>Upon failure of the surveillance, secondary containment ventilation was realigned to the previously tested 818 hatch alignment.</br>Upon restoration of secondary containment ventilation to a known operable alignment, secondary containment LCO 3.6.4.1 was cleared and operability restored.</br>This event is being reported under 10 CFR 50.72(b)(3)(v)(c) and per the guidance of NUREG 1022, Rev. 3 section 3.2.7 as a loss of a Safety Function. There is no redundant Susquehanna Secondary Containment System.</br>The licensee has placed administrative controls on the 101 bay doors to prevent loss of secondary containment during the investigation to determine the reason for the surveillance test failure.</br>The licensee has notified the NRC Resident Inspector.e has notified the NRC Resident Inspector. +
03:40:00, 21 November 2013 +
49,565 +
04:23:00, 21 November 2013 +
03:40:00, 21 November 2013 +
On November 20, 2013 at 2240 (EST), second … On November 20, 2013 at 2240 (EST), secondary containment drawndown testing surveillance failed to meet acceptance criteria SR 3.6.4.1.5 due to maximum flow rate exceeding the allowable value.</br>SSES (Susquehanna Steam Electric Station) previously entered SR 3.0.3 at 0900 on 11/15/2013 due to not meeting SR 3.6.4.1.4 and SR 3.6.4.1.5 because of an untested alignment of the 101 bay with ventilation aligned as a no zone during past performances of the drawdown testing surveillance. The surveillance being performed on 11/20/2013 was testing this previously unsurveilled alignment.</br>Upon failure of the surveillance, secondary containment ventilation was realigned to the previously tested 818 hatch alignment.</br>Upon restoration of secondary containment ventilation to a known operable alignment, secondary containment LCO 3.6.4.1 was cleared and operability restored.</br>This event is being reported under 10 CFR 50.72(b)(3)(v)(c) and per the guidance of NUREG 1022, Rev. 3 section 3.2.7 as a loss of a Safety Function. There is no redundant Susquehanna Secondary Containment System.</br>The licensee has placed administrative controls on the 101 bay doors to prevent loss of secondary containment during the investigation to determine the reason for the surveillance test failure.</br>The licensee has notified the NRC Resident Inspector.e has notified the NRC Resident Inspector. +
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, 21 November 2013 +
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>.
14:00:59, 15 May 2024 +
04:23:00, 21 November 2013 +
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false +
0.03 d (0.72 hours, 0.00429 weeks, 9.86256e-4 months) +
03:40:00, 21 November 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.