Browse wiki
Jump to navigation
Jump to search
On May 4, 2015 at 1439 (EDT), during maint … On May 4, 2015 at 1439 (EDT), during maintenance activities on Unit 2 Zone 3 fan discharge exhaust dampers, the control room received a low DP (Differential Pressure) alarm and other confirmatory indications of a loss of building DP.</br>Secondary Containment DP was restored after approximately 2 minutes. The fan exhaust dampers are outside the isolation dampers, therefore, there was no impact on the SGTS (Standby Gas Treatment System) ability to drawdown secondary containment.</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 notified the NRC Resident Inspector.e has notified the NRC Resident Inspector. +
18:39:00, 4 May 2015 +
51,040 +
21:44:00, 4 May 2015 +
18:39:00, 4 May 2015 +
On May 4, 2015 at 1439 (EDT), during maint … On May 4, 2015 at 1439 (EDT), during maintenance activities on Unit 2 Zone 3 fan discharge exhaust dampers, the control room received a low DP (Differential Pressure) alarm and other confirmatory indications of a loss of building DP.</br>Secondary Containment DP was restored after approximately 2 minutes. The fan exhaust dampers are outside the isolation dampers, therefore, there was no impact on the SGTS (Standby Gas Treatment System) ability to drawdown secondary containment.</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 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>.
00:00:00, 4 May 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>.
01:47:51, 2 March 2018 +
21:44:00, 4 May 2015 +
false +
0.128 d (3.08 hours, 0.0183 weeks, 0.00422 months) +
18:39:00, 4 May 2015 +
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.