ML18352A332

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Licensee Report of Non-Routine Event of 6/14/1976: Accident Analysis for Simultaneous Loss of 4 Reactor Coolant Pumps
ML18352A332
Person / Time
Site: Palisades Entergy icon.png
Issue date: 06/18/1976
From:
Consumers Power Co
To:
NRC/RGN-III
References
Download: ML18352A332 (2)


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SCRmmrm:/},"\\'/1LUATJOJ\\ Slll:&T FOk LICEl\\SE~ )ltPORTS OF "l\\0)\\-nO'JTI:m E\\1Eh"TS

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)mportzu*;ce Cncc*1:ciry nnd Response l,c\\*cl: l___

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, Ollael' lrmneo:i.ntc f.itC?/lncp/ln\\'es:t.Jtc:quireo: ______ _...,~~----....-..* ll.cporL ?\\fl: ___ -__ _.,... __

ltnmed:i.at:e }\\orificct:ionES: *

  • nM*e and T:i.me )\\titii:L~d lffiC:HQ~__,;....~~~--~-----

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Rndiolo~ical Tenm.~-----

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Press Rclcaf;e:

by J~icensee {Date:) ________ ~--.

Issued by l\\itC (Date). _________ ;...-___ _

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ll'*e LiccnGee repC!rts that during a re\\lie\\'1* o{ potential problems if flooding, occurred *in t:he turbine buildi~ lt w&e rioted that both.

~160v buses could be flooded at the same time a-s they are *loca-ted Bide. by side in the* turbine building.

These buses are not ECCS related* but: do supply.power to the. PTi\\ll&r)~ Cool(lllt Pumps I

'lne FSAR i;tateB that. che loss of. four Primar~* Coolant Pm11ps j o not

  • considered credible and t:berefore* vas not a:naH:zed. in the safety*

an&l)'tth.

Additional anal)1BiB i8' being conducted.

ln tha interi&n-the Licensee has inDt:itut:ed.administrative procedures *to require pla11t trip if !l<>odiug occurea.

Flooding alarms at lo\\fer ele\\lation in* turbine building are being tested to insu-re tlleir Oj>erabil:Lt)'*

Additi*onal temporary* flooding protection is being coneidered*.

The Licensee will provi.de a 14 day report.

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UNITED STATES NUCLEAR REGULATORY COMMISSION REGION 111 799 ROOSEVELT ROAi;>

GLEN ELLYN, ILLINOIS 60137 Incident Notification From:

Transmittal Date:

Di stri bu ti on:*

IE Chief, FOSB IE Chief, FC&EB

  • IE:HQ(4)

Licensing ( 4)

DR Central Files IE Files Docket No. (or icense No.))

Palisades Power Plant IE Chief~ FOSB IE Chief, FC&EB IE:HQ(4)

L:D/D for Fuels & Materials DR Central Files IE Files