Browse wiki

Jump to navigation Jump to search
ENS 49351
Show incoming properties
Category
ENS Notification  and Power Reactor
CFR
10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded +  and 10 CFR 50.72#b3ii +
Current power
0  +
Current reactor mode
Cold Shutdown +
Description
At 1455 EDT, (on 91/16/13), (Susquehanna) … At 1455 EDT, (on 91/16/13), (Susquehanna) Engineering determined the leakage from the 2B RHR Pump Suction Relief valve caused the Engineered Safety Feature (ESF) Leakage to exceed the 2.5 gpm which was provided to the NRC during the implementation of the Alternate Source Term (AST) submittal. The calculated leakage rate was 7.5 gpm. </br>This event is being reported as a degraded condition pursuant to 10CFR50.72(b)(3)(ii).</br>Unit 2 is currently in Mode 4 (cold shutdown) for a maintenance outage.</br>This leaking RHR pump suction relief valve, previously identified in EN #49344, is being evaluated and repaired.</br>The licensee has notified the NRC Resident Inspector and the state. the NRC Resident Inspector and the state.  +
Discovered date
18:55:00, 16 September 2013  +
ENS
ENS 49344 +
ENS id number
49,351  +
Emergency class
Non Emergency +
Entered date
21:11:00, 16 September 2013  +
Event date
18:55:00, 16 September 2013  +
Event description
At 1455 EDT, (on 91/16/13), (Susquehanna) … At 1455 EDT, (on 91/16/13), (Susquehanna) Engineering determined the leakage from the 2B RHR Pump Suction Relief valve caused the Engineered Safety Feature (ESF) Leakage to exceed the 2.5 gpm which was provided to the NRC during the implementation of the Alternate Source Term (AST) submittal. The calculated leakage rate was 7.5 gpm. </br>This event is being reported as a degraded condition pursuant to 10CFR50.72(b)(3)(ii).</br>Unit 2 is currently in Mode 4 (cold shutdown) for a maintenance outage.</br>This leaking RHR pump suction relief valve, previously identified in EN #49344, is being evaluated and repaired.</br>The licensee has notified the NRC Resident Inspector and the state. the NRC Resident Inspector and the state.  +
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>.
ENS 49351 +, ENS 49351 +, ENS 49351 +, ENS 49351 +, ENS 49351 +, ENS 49351 +, ENS 49351 +, ENS 49351 +, ENS 49351 +, ENS 49351 +, ENS 49351 +, ENS 49351 +, ENS 49351 +  and ENS 49351 +
Initial power
0  +
Initial reactor mode
Cold Shutdown +
Last update date
00:00:00, 16 September 2013  +
License amendment topic
Alternate Source Term +
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>.
02:00:04, 2 March 2018  +
NRC officer
John Shoemaker +
Notification date
21:11:00, 16 September 2013  +
Originated by
Doug Lamarca +
Reactor critical
false  +
Reactor scram
false  +
Reactor type
GE-4 +
Region
NRC Region 1 +
Reporting criterion
10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded +
Reporting time
0.0946 d (2.27 hours, 0.0135 weeks, 0.00311 months)  +
Site
Susquehanna +
Start date
18:55:00, 16 September 2013  +
State
Pennsylvania +
Title
Degraded Condition Caused by Rhr Relief Valve Leakage  +
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.
http://www.nrc.gov/reading-rm/doc-collections/event-status/event/2013/20130917en.html#en49351  +
Unit
2  +
Retrieved from "https://kanterella.com/Special:Browse/:ENS-2049351"