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05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised
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Category
LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT  and Licensee Event Report
Accession number
ML20211C874  +
CFR
10 CFR 50 +, 10 CFR 50.7 +  and 10 CFR 50.73#a2iA +
Docket
05000412  +  and 00412  +
From
Hart R +  and Duquesne Light Company +
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>.
05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +, 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +  and 05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +
Hours
8.333333e-4 d (0.02 hours, 1.190476e-4 weeks, 2.7396e-5 months)  +, 3.472222e-4 d (0.00833 hours, 4.960317e-5 weeks, 1.1415e-5 months)  +, 0.0257 d (0.616 hours, 0.00367 weeks, 8.43949e-4 months)  +, 0.0234 d (0.561 hours, 0.00334 weeks, 7.689905e-4 months)  +  and 0.0199 d (0.479 hours, 0.00285 weeks, 6.556015e-4 months)  +
In package
ML20211C868 +
Issue date
August 19, 1999  +
LER number
9  +
LER year
1,999  +
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>.
05:09:59, 6 December 2024  +
NRC form
NRC Form 766 +  and NRC Form 366A +
Page count
11  +
Power source
4kV +
Processing error"Processing error" is a predefined property provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> and represents errors that appeared in connection with improper value annotations or input processing.
05000412/LER-1999-009, :on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +
Project stage
Request  +
Reporting criterion
10 CFR 50.73(a)(2)(v), Loss of Safety Function +, 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability +, 10 CFR 50.73(a)(2)(iv), System Actuation +, 10 CFR 50.73(a)(2)(i) +, 10 CFR 50.73(a)(2)(x) +, 10 CFR 50.73(a)(2)(iii) +, 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown +  and 10 CFR 50.73(a)(2)(viii) +
SSC
8E-7 +  and 20M-30 +
Site
Beaver Valley +
Start date
August 19, 1999  +
State
Ohio +
System
Emergency Diesel Generator +  and Service water +
TS
TS-3.0.3 +, TS-3.8.1.1 +  and TS-3.9.1.1 +
Test
Post maintenance test +
Title
:on 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised   +
Title:
On 990817,shutdown Was Initiated IAW TS 3.8.1.1 Due to Degraded Flow in Edg.Caused by Ineffective Programs to Keep Live Zebra Mussels from Entering Sws.Plant Zebra Mussel Control Plan Will Be Reviewed & Revised +
Topic
Zebra Mussel +
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.
https://lersearch.inl.gov/Index.aspx?Page=PDFView?Doc::4121999009R00.pdf  +  and http://pbadupws.nrc.gov/docs/ML2021/ML20211C874.pdf  +
 
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