ML20042C667

Summary of 820405 Meeting W/Bwr Owners Group in Chicago,Il Re Progress & Plans for Responding to NRC Concerns About Inadequate Core Cooling

ML20042C667
Person / Time
Issue date:	04/14/1982
From:	Phillips L Office of Nuclear Reactor Regulation
To:	Berlinger C Office of Nuclear Reactor Regulation
Shared Package
ML20042C668	List: ML20042C667 ML20042C669
References
NUDOCS 8205070004
Download: ML20042C667 (6)

Text

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PettM MDUN Foe: Carl N. Aer11nger, Chief

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1 core performence scench

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, 3 fIlvisfon of %stens Integration

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iggy a v FWOR:

Leerense E. phillt, Sectfen Leader W"" l2 ' ' "

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'5 hovuol IWraulic ten, CPR

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IHvisten of systens egration

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9?P9WY fF METInc WITH inn intutps' Corwin (>u 8

p, i-AMIL 8,198P w

7 k April 5, HBf the We Speers Groep (Ope 0G) held a meettne at the Chicson here W19se. kporese et tfie seetta, was to 4f seass their proeress and 7 :

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hr D'MC concerns doet inadequate core cooling (ICC)

F 5 % 'Atten4 tate et thfs seetf evr by L. Phi 111ps,

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W C. Serifeger to the we theters Groun ICC cesarittee

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a egens of proefding the infomal interactive eufdance 3'

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,Guners' Creep July cesarittnent date for nutvif ttino b;

report f9e assure that their report addresses aff staff f'

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,9884 eft regeletten megarding ICC instrumentation reouf re-i Spests MWs. -

' en t*y the onmers Group and the extendine of an

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1. Part9CI Sa' this neeting was greatly copr*tef ated.

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Espuunne of hqthere ca. 5ervices chaired the neeting.

A Ifst of L

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.3C. Aphneen of S. Leep Inc. presented the.INOG Study

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Is lui fes of the.presentatfon s11 des are evefleble

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s perfensed in tuo parts: (1) (veleetten of

.M fication of Ifettatfehs to thefr use LV :

i ses conceretnq modtficatfon of these

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fuesses. 4) Evoivation of other existino

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es elegree fadicators of feedeguate cor,

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. fag iscles1on of existing or edettional Rj+,

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fterfag systas, 3%

7 y ';s D ffret part of the study is scheduled for i

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le recensidered for acceptance by the InfR PM fhr te end of May.

The resort will include TdM.'c M

1dgel festrumentation associated with each of Cd is by the Gunses for suhnittal to D

'retate.$e aptfen to confers t9 Owners' Group h U' QQ WAS

..Seeferm) te the extent deessed appropriate by the n.

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% secaed part of the study fs expected t' o be Il 0,' r

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J to he, S. Levy tar. fn Jene. As erf th the level fnstrumen * (

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( seesuuradetiens for each of four plant tyrvs.

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~t-N "s'fE 1s scheduled for auta=1tta1 'o M'c fn July.

The sebe %1r I

d..Mf:;r ' D flatshed 45 h The Ste$ Ple s1 ides provi# fnfarmetion an +ston

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sdtte $gue been cessfeprer to este, m#4.c4;:.

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M.A De gregress en eWW ftf meef terfno reguf romentt 1

.n Ihreh as Aprt1) usettags with CO and 4C95.

It was

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MR oportgese end centlestens cow 14 to related to the 4

9es49epte ns es 419er:

(1) #fversIty 1e both the tyve of

$(;M.M y4 te auster s'gtves peremeter and in the parameters selecte.?

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%;'fal' gf are eselfae to dhfreble.

The total instet m -

stemte he es on N2 manfttrins systen and shov1d 8, M fHut aguesp operettag(egnettfont, thru 1ess of senvete A'&

W et geet t) Reyond 4 sfin beafs eveats l

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ettag seeft:1aess of the lastrewef atfor.

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.ts tegnettent of the stv4 and should ba g'f reflef frer* etsetG-07.17 desion reoufemnts.

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.se the Johnson presentstfon were: (1 )

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WFWWF be gfece to towerature measurvets in

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tweefesign hosts sweets; thf s could include a

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'ee e tem tWlafWestfen will be used by or made 74 l

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' t) met of the $nstrumentation evaluated to F

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ter4ess {ytettet$ces wie respect te LOCA survivabillty

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esefFeenpWt. (3) The taportance of meetino the l

8 egert hr many p4 ants neu la the 11censfna precess wes 3 @,r, W MW

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$ g J.ih M Sleevel.tattes er this prehlen eves thoschI NIfpue to esettog 27

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attendence was poor.

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Lawrence f. th1111ps. Section Leader 2p' "

Themel Pydroelfe Seetfen CP9

.d Ofvf sfon of Systeers Inteeratten C~

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O['!N Feat:

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De W15. 9% te SS tseers gree p held a meeting at the Chicago nharr

.l P119e. D e gorygge of tsie meeti~; es to discuss their progress and clans ear 46 W essesfes f

te core coelfen (ICC) instrsre-tottua hr her vo m se representative 4 presest to rrovia Deftpuel

'est L. Utf11tps of 851/tsR attended for that purnose.

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Sed So, Sorelces chefred the aretian.

A 1ist o' vi t

ettIMess C. Astinses of 1. l.eey Inc. eresented tw study Plan K[j.

Witt$ ts' la septes# the pressetetten s1fdes are evallable on 789100%. De s ht$g partemed to the parts:

(1) Evaluation of

'3 esistleg WR had. W. tesettfieetten of Ifnitattens to their usa 9er Et

' and vecessandstfens congerwine modiffcation of these W

.. tre,tese to th 9e efhttfuseses, ft) testestfon # ether existino and e005 as '49eerse feeltators of inedeguate core

)EU, ceflies and Meegesettene espremfne inctesten of exfsting er additional Seatrumentethe to me me vissttortog systesi.

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A drvft report ddtyseleg te first part of the ste% f a scheduled for ea g letten le

. end to to be egeensidered fler acceptance by the P.W i./

Segers et estoGu4e8 fler to see er say. The report will inclede W.~.

{,. "..,receousadettens 9ff W t'Wert ft accepted by ttie Owners for sub least feetrweentotten essectated with each of 30 set N

ese 1 stil e4511 setste the aptten to conferse to Owners' Groun 3

feesmeMetteus $er est te'eseften) to the estent spessed apereprfste for tv

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A 4Peft report _

h Speged part of the study is espected to tv w/

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As with the levei f astru-

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P'.f fuBetetten, 9%,

ftemeettfees for sech of four plant types.

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[,@ 's,.s he flatshed W $3 ethehted $er subsof ttal to Inst in July.

The schedule v i -t 6 espears to to 00p t. Me Plan s1fdes Provfde information on desfee

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eptfens editch g$ue tese esset to dete.

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't. Phf111ps sesenartmed the progress on PWI ICC monf torinc retirements 0

9attedfag the recent meth) neettags with CEP and ACM,

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tot the PWR OWene(e end conclestens could be related ta t

, atta tupitse es,fWiler: '.(1) Diversity in both the tree of instrur ant.u'*

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,and la the parameters selected for 1adicetion

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l #...M.d, eere leg fs'drstreblo. The total instroentation sho=1d N

F et 3CC terte tystem, and shes1d cover the full reme fre 45 tra less of edegnete coolfne, to restoration

", V ;,7 Stre ese4 hosts evoets (e.g., so above core spred V. c _ <t t ' M4 to egg 8 the usefelsess of the instrwentatfrm.

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533 Opet e Ntet ts en egertset f agredfeat of the stedy and shoult 9 F, GO N God th q egemuhaded ref fef &m wtafr 0737 desten

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=; p 'd (Def4 Ws hrtherg-V< { W temeste GMWed M roe

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J (1) thretits $'Aeld be efess to temperstme, sensurements in

'M 'Wa seetter the tests events; this comid incInde a

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t.We met he esed by or,mede aveflable to the

~~,f; 955e Snetslusentatten evaleeted to date appears to

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ces 1 g $ ~peepect to Lf1CA servivahf1fty end/or to hfch

~ 'htIN' M 7(01 The tupertence of meetim the report conn 1*-

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,tSem schedu%e b nW$ Wtd say in the 11eenst49 process wes emphasf red C.

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3R M. I be19ese De meettag was wortheAlle and contributed to procress

.. se the resolutten et tMs problem, even thought attendance ~ was poor,

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Laurence E. Phf111ps. Section Leader

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Therveel Nydrev11e %ctfen CPR v

Division of Systems Inteoretion 4.,

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