ML20098D428

Forwards Updated Advanced BWR PRA punch-list,reflecting Results of 920323,24 & 25 Discussions

ML20098D428
Person / Time
Site:	05200001
Issue date:	05/29/1992
From:	Duncon J GENERAL ELECTRIC CO.
To:	Kelly G NRC
References
NUDOCS 9205290002
Download: ML20098D428 (23)

Text

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ABWK Tasks to wrap up FRA P A R ESER SSAR Titic NRC Contact I n e Next Date Action Comments ite m Section

%f*=k CE Contact a a v Actor n I i

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I FaukTree Updmee O-1 RPS RelistAlity Kelly v s CE 4/15 Prwide RPS fault tree so NRC thru Fox Ranery v s CE 4/30 Prwide balance of EnnIt Some additional nla Update other fault Kelly trees ao NRC functions to be treca Ranery zuww= red I

Initiating Evenne l

v n CE

1. Use 0.1 in Staff wL s use S-2 Desend IORV Kelly i

frequency RaRery requantification 0 3 event / year.

CE accepts -Isers l

Resolved L

CE TBD

2. Rh 0.1 in SSAR table and armt C-1 IORV success crineria K elly CE TBD NRC clariGcation sipftery sent 4/I.

51 n

Defend one trip per Kelly v n v n none NRC now agrees I trip / year as Duncan year reasonable -

lispa Rew>lved l

s - started f

C - Confirmatory item v = docussed verhaaly but not documented 5 - Staff correction c = complete with documented 4.

a:

O - Oetstanding isern 4/3/92 n = not appbcable I

= Interface requirement P = DSER page number - no issue number F4eI n - Not a DSER i<can

1 i

i ABWR Tasks as wrap up FRA

[

P A R DSER SSAR

. Tatic NRC ('ontact I

n e Nczt Date Action Commsents item Section SebeaA CE Conext a a v Actor e I i

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f l

O-2 Evaaunte support Kelly v s s NRC 4/Is Review draft material CE has provided p failure on Raftery qlyga q Qan 27) draft plant trips material (IWAC hilure) and list of other i

suppewr sygtem to r

bc 21 *. _-.

CEagreed so d request so add loss of sing {e AC or single DC bus Ce Analyze interfacing KelIy n

CE Docusent piping LOCA Visweswa ren upgrade. Track Separately t

i O-4 Outside containment KcIly a

NRC 2 Review SSAR CE resyneWL NRC LOCA Frederick

\\

review SSAR 4\\h 19F vss. Imue is addressed I.1 Confirma mise loss of Kelly Appiscant actsoo a

v n

AC, other site R $4ery item 3tesolv.J l

specxfic parameters l

h C - Coornmau,ryitem s - m,.ed S = StaKcorrection v = datumed verhalty but nos dw-24

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O = Outstanding iscan e - oxmplete with documenard + cws.t I = Imeculace requircament n - not applicabic 4/3/92 F = DSER page nunnt.cr - no imane numrber n - Not a DSER incan Page 2 l

i i

ABWR Tasks to wrap up PRA P A R DSER SSAR Titic NRC Cem I n e Next Date Actica Comments itere Screwxa Subusk CE Contact a a v Actor n I i

e w

Saorens Criteria C-2 AlWS Soccess KeiIy c c v NRC ?

Review subaittal Agreed SSAR Criteria to prevent Buchhoir treatment is y

core damage adequase at San June 1/92

.)

meeting.

Dorumentation satwnstted

[,

4///92 a

n3a ATWS RIIR Sectens Kelly c c v NRC 7 Remw submittal Agreed SSAR Criteria Iluchholz treatment is adequate at San Joac 3/92 meeting.

Documentation submitted 4/2/'32 ht,h I}0/1a #,

n4a RWCU as DifR KcIly CE 4/6 Calrify with NRC Secccm (ACRS)

Paradiso Mo9b~)

3 Aaf'}-

?

Failure Detz C-3 Justify common cause KcIly See isem 0-5 failure data Frederici I

?

C = Confirmatory item s = started S = ScalTcunnection

, - discussed wthany but not docunnenced O - Outstanding item c - compleae with d<emented agreement 1

= Ir*sixe regu' encut n = not applicabic 4/3/92 w

l P = DSER page..u /w - no iwur number I

a - Not a DSER isem Page 5

ABWR Tambs to wrap up PIRA P A R DSER SSAR

- Tiele NEC Consact I n e Next-Date Acenen C-_

- :sts iteam Secean W

G E Conanct a a v Actue n 1 i

e w

0-5 Jamedy traintsel Kelly E

3/24 Duncues which For item C-3

.cr.es ao ':>dede and 96, NRC common r-Raftery s

u approach is 4 with NRC suggeseed acq=.

,- FRA A

without addressing OCF, then m edy CCF m sensitisfy sandy m pn Cmpt j

i to RAF (leenn I-15)

C4 Justify Kelly E

Include new wahmes ins Actice plan test / maintenance Kaftery resymantifscation: eest disciemed witIn data assalysis and maintesmasoce NRC 3/24: T/M maavailability unavailabilities will be a

increased l'or 4

l utility flexibility.

ECCS ROC RIIR enavailabiltiy will be takenn as 25 lee m Rcsobred 04 Jessdy RIER IIFCF Kelly E

' 4/15 Provide juneifscatioes c.

pe mp failure RaRery

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Probability C - Confirmatory isce s - started S - Sealth.uta-y e discussed wi' "y but am documeneed O - Outstasw"vag ince c - compBete with docusmented ag cessent j

I

- Interface scWment n - not appbcabic 4/3/92 P - DSER page number - no issue mesamber n - Not a DSER iece Page 4 l

m ABWEL Tasks as wrap up FRA P A R DfiER ' SSAR Tatic NRCr m' I

n e Next Date Action Coraments see m Section SusM E C ontant a a y Actor se I i

e w

I F

O-21A Lier syneevns no. past Falta of cereified design, Duncana I

significant assumptions assuesed relimbalsey

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Invel 1 PRA man E _ "

_^ Belated h Mg S.11 Fire water credse Kelly GE mpproach n

n

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co receion Visweswaren conservative. Fire j

water wsil be in RAP.

i 0

No other action as eded up Resobed e

l

/

IL,

-lfy level I Kelly M

4/15 Tahuter sesudes 30 NRC-t PRA raults (base Rafkry CDF by initimeer and case) accident class. Will not inchede ieem 0-2

("PPorts syneem trips) i E

6/30 SSAR tcut draA em NRC l

t 0-18A Ixwel1 n o:

• 4 Kelly v

CE 5/15 Salamit nacertainty Rescles seop ma j

analysis Raftery analysis CDF, win not be i

propagaaed s

thrnegh analysis i

Addsess as part f

O-Il Inidating Event Kelly uncertainty crimese 0-1RA t

t C = Conrarmatory ineen s = saarted S = SeaKcorrection v = discnsmed verbally best ovat a-

.A*

O = Oueseandig its c = cosopicac wide docunnented agreensent I = laterface resguirement n = swst a;;' _ " "

4/3/92 P = DSER P4te oneber-no issume uneber

- Not a jg[g jeesa Dhge 5 F

n

i ABWR Tasks so wray up FRA P A R DSFA SSAR Totte NRC Comamet I n e Next Date Action Coenaments iteen Secteam Sele =4 '

CE Cantact a a v Actae i

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c w

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Defene impet Cemerai I-15 PRA input so KcIly RdiabWity Assurance Ranery.

agreeseemt j

reacised en hour en g-w 4 j

k n7a PRA imput to ITAAC e

Duncam 0-22 PRA as a design sool Kelly v s CE 4/25 Pmride Mr% complene Du. an draft I

l n7b PRA Insights '.

Kelly NRC ?

Ouagine of New iteam.

[

Duncan amanancement desiere.

added in 3/23 r

June 25 senK deadimme smeeting.

I Narrative relaenng hour PRA was need.

[

inc8monaK how I

mewerni DSER items were l

addressed t

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C - Cd- - - y itete s - started S - SenKcorreceiosa v - dernemed mL__^,- best mot L_

_.a d O

=Ou&_" ; ite m c=c- -/ a wish docinancesed agreemment I-

= Ineesince squircament n - sect apprecable 4/3/32

. P = DSER page member-so i=-e amudser a = Not a DSER iacus a age 6 n

,w-

~ ABWK Tambs to wrzy up PRA P A R D5ER SSAR Title NRC Otact I n e Next Date Action Cosaments item Secten Sow.a rE Contact a a v Actor n 1 i

c w

0-20 Shutdown ridL Four Kelly?

e s CE 3/24 Further discussion saixasks:

Visweswarers l

l.

AEWR design CE 4/30 test m s CE 4/30

2. Review of past shutdown events 1

CE 6/30 l

3. Dcoy heat l

removal reliability CE W

4. Other tasks

?

Other ^="3 =

• O-12 Fire FRA Kelly e e e NRC 4/15 Premde results d No major items Raftery renew so GE expected Approach I-9 Internal Flood Kelly s

a Visweswa ren outlined 3/24 Four subtasks:

San Jose I) Turbane Bldg Ehlert 8

2) Control Bldg Miller

3) Reactor Bldg Marwc11 Ehlert

4) Event Trees Co&cek C - Confirmamaory icers s - starsed S - StafTeorrection v = doossmed on"

", baar not d%

M O - Outstanding iacen e e conspIcte with he.. cated agrecument I

= Interface ic@ c.-cr.t n - not appbcabic 4/3/92 P - DSER page number - no issue noseber Page 7 n - Not a D5ER inces m

I

ABWR Tasks to wrap up PRA T A R DSER SSAR Title NRC Contact I a e Nest Date Action Comsments iteam Section Subsask CE Contact a a v Actor n 1 i

e w

Humsen Fare==s im F5tA C-5 These items are Man (Sulx=4=

O-7 mldremed ty the A.R. C, D) Immed OS following job onNRC/CE O-9 sof a d a-phooc caII 3 O-10 March 92 and discussons 23 I-2 I-3 March.

14 I4 8-6 I-7 A) Prtede a list of Beckner y

CE references / general Frederick j

I snetinds eued to detersmine aE failure probabilities.

l Reicsence to CFSMR l

PRA is accepealAc.

v GE 6/1 Sensitivity study results Increase B) Conduct Kelly sensitivity study Raftery sensitivity range if fund to doossment source of number C - Coefirummeory itene s = started S = Staffcorrecnon v = descussed verb =By Emt not Am.cated O = Outstanding item c = compicte with dm.m.cnted apss cat I - Interface requirement n = not applicable 4/3/?*

P = IPSER page nusaber-no h number n - Not a DSFR item Page 8

}

N T

• to q up N P A R DSER SSAR Title NRC Contaca I n e Nems Date Action Comanents r

itesa Secence h

CE Conanct a

-a v Actor a I i

e I

C) Dewlop Kelly v

Prelianinary descripanoes for most Duncan judgement of significant actions signirecant for input to contr.A itesens room design ie,.

documented in prwide time 18F1 avaitande for operator acenon & mgnats that the operator reises on. Provedes impet to i

contro8 roosa Acaign

& EFC5.

D) Provide snare specific. '.% for operator actions idenaarned as signiiicant based on Se8*88visy sandy.

References should include sath amid I

4 s

page members in references.

+

f Alternatively, use a wider range in Performing the i

scansitivity study.

i l

l C = Cc-r-0.-

,j asemi s - saarted S - Staff corredian v - discianned m." -",- bat not doommented O = Ouestandirg iece c = complete wisin documcated agreement I

= Interface w@e_.t n - not WhhL-4/3/92 P - DSER page number - no issue n==m3=er n - Not a DSER ierum Page 9 e

i

m ABWR Tasks so wrap up FRA P A R DSER SSAR Tstle PfRC Comanct I a e Next Daee Aceson Commenents isena Section h a*==h GEr s.

a a v Actor a t i

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i Centmimmesma EbestTirens S4 Seas estimaaes extra Kelly CE CE will take credit for credit for, cat in Beckholz vent in Irwel 1 Class U internal reipsanei6 cation cient and meismeic

{

W O-13 Treatsment of dryucB

-wetwell bypman in CETm. "Ihis iteam is addressed by ewo sob imaha*

A) Design basis Kandrick Tracked l

sensesrity studmes Saxena separanely by

[

Kudrici/Sances i

B) Determine if PaIIa/

See O-I8, f

CETs smeed to change Kedrick Backrad l

Buchholz Uncertainey i

Analysis O-17B Modify CET foe Palla See ierum O-17A severe acodent phen. Buchholz ander hrhead i

Analysis l

C - ConG.---

- _ j item a = snarted S = Seaff terrereinen v - docussed wesbety but mot docnamented O = O===- - ", ite m c = conspecte with docussented +c e.t 1

- Interface -

e- =t n = not applicaNe 4/3/92 P =DSER

'. - no issue maa-a = Not a isem Page le

[

^

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ABWR Tash= to wrap up PRA P A R DSFR SSAR Etic NRC Contact I n e Next Date Action Coma,en t s ite m Section Subea. 2 CE Contad a a y

Actor u I i

+

e w

W Anahem C4i Hzshing during Palta c c NRC

?

Review subunittal Analysis venting flechbolz documentesi in w

4/2/92 submittal.

O GI4 Justify aspects of Palla c s CE Frevede documentation CEagreed to I

OPPD (Rupture Disk Buchholz indnating results of raise rupture A

Setpoint) sensitivity and disk setpomt uncertainty analyses in r gard to the OITD and giving the basis for the setpost.

O-15 Net risk of pamve Palla

.c CE 4/30 Premde docuznentation Dooder sywsma Buchholz indicat-g results of sensitivity and uncertainty analyses in regard to the punive flooder.

~

{

O-16 OC3-coolainlity o

't 7;

o

<J z:

C = Confirmasory item a = started S = Sta!I correction v = discussed verbally but not documented 2

O = Outuanding inc a e = complete with dm,sr.'M agreement I

= Interface rug 6.. cot n = not appbcable 4/3/92 P

= DSER page num8 er - no imae number 2

n - Not a DSER item Page I t '

. ABWR Tasks to wrap up FRA P A R DSER SSAR Titic NRC C.mtact I

n e Nest Date Action Counments f

I item Secten

% he==h CE Contact a

2 v Actor n I i

e w

Containment Palla c s CE 4/10 Take credit for CE has d wwn assermed factor of safety star carff results integrity Buchholz in cakulation. Submit of boendmg

(

J to NRC.

analysis - work not coanpicte Imt recal:s appear to supgxxt no consainement failure See uncertainty Source terms Palla c

analysis Buchholz DCII armt IEI O-Modify CETs for Palla v

nodes are 17A DCII, 512, etc.

Buchtmir imleded as early containment failure modes in the current cwnt trees. CCI and Pool bypna:

will be added if the uncertainty analysis warrants it.

s O 18 Uncertainty analysis a = started C = Ccefiramatory item v = discussed verhaDy but not Asv.:cd S = ScaRoorrection c = compicte with docanoented g.ce-..cr.t 4/3/92 O = Outstanding item a = notappbcabic I = frderface reqwirennent P = DSER page number - no issue number rage #2 n - Not a DSER iteam ic

ARWR Tasks to wrap up PRA P A R I1WJt SSAR Titic NRC Contact I n e Next Date Action Comments item Section Subtask CE Contact

= a v Actor a I i

c w

Susvey litterature Palla c c v NRC ?

Review sulamaittal Dimeussed at Buchhotz i

1/22 naceting in Bet hesda.

Documented in 4/7/92 submittat.

- Screen esents for Palla c c v NRC

?

Revsew subenittal Ibcusned at apphcabdity to Bechhoh 1/22 snectsng in ABWR Ecthesda.

Dw-4nted is 4/2/92 submittat.

Perforan Palla y

CE 4/10 Cormplete sensitivity IJsa of sensitivity sensitivity studies Enchholz studses and documesst.

studies dancsessed (some wdl be at I/22 racetang missing) in Bethesda.

Almut 5fr5 d studnes cornpicte.

Detailed DCII Pall:2 e v v CE 4/10 Incorporate NRC Essentially Uncertainty analysis-Buchholz coenments. Ihxussent done. Discussed study and results at 1/22 inceting in Bethesda and in 2/26 televan.

NRC had only minor coensnents.

C - Confirmatory item s - started 5 = Staff correction v - dimussed verbally Imt not documensed O - Outstanding item c = complete wit;n docuanessted grwsent I - Interface reguircreent n = not apt scat 4c 4/3/92 4

P = DSER page riember - nu issue number n - Not a DSER incm Fage IS

l ABWR,Tambs so wrap up FRA p

1 F A R D5EE SSAR Tide NRC Cassact I a e Meat Deee Action Comenents iteen Seteson Satensk cec -

a a e Actor n-I i

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Detailed Palla v s s M

4/38 r@ sandy -

Desemused at CCI/Coolabeliey Bechholm imecorporasimag NRC I/22 a c^',is Uncertainty analysis commnemes Bethende and in 2/26 acleam M

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l 5-9 Rupture dak Palla a

NRC agrees j

w ' _ before 24 Buchliola repeare rkk j

i hours not coat Emilure oper.e-- is mee containement i

Enebore. Ils m

[

Resolved t-t r

0 i

C - Coedirunetory item a = saareed l

S = Starcorrection v=descummed m"

, but not documenaed l

O - Oueseanding stesa e=(

,"ra with decuanenced aqpecunemt

[

t

- Insterface requisesment n = not ar-- ' * * :

4/3/92 P = DSER page nuamber-no iemme number n - Not a DSFA seem Page I4 r

e

1

'ABWK Tambs so wrap sqs FRA P A R DSER SSAR

= Tiele NRCr w I

= e Nest Deee Action Commments iteam Secenas N

GEr -

a a v Acear a I i

c w

NRC agrees CE S-12 ATWS aremmt by FatIn a

NRC Rechholm mypude messe, me u

c h i"'P ac8'-

l' Incma.Rasohed i

n17a Chapeer22 Severe Accident Kudrock c c NRC ?

Write secmon.

G osere Buchheir Inform CE if moore info needed beyond that odemeified ism 2/29 subunittal oI8e Accident Falta s

e v NRC Prwwle.+ n to CE enamagement Bechhotz subesittal N h% Bnead Damign Base v

M Updase SSAR NRC, CE huse S-5 Fuel

_ b'y Kelly Un agreed me 1.2g caracmy leem.c.,Jud CE wiE -e- ' "7 v

M Margins Analysis i

S6 Flat 4menous tank Kelly Ua

• e reh

• capmany S7 Diesel generator Kelly v

M Margies Analysis GE wie probably rede=

• Un g

capaaey CE wis

-? "7 v

2 htargies Analysis S8 Doctrical equipament KcHy y

memce

• un capacney a = saareeJ C - Confiransaory item v = discuamed d 3 but not dor===r-ted S - Samiroorrection

,"mc wi Si documeseted agreennent c=m-O = Ous_

inese 1

= Interface.c, h - --t n = not applicable 4/3/92 P = DSER page enumber - no issue namnber Page 15 m = Not a DSER seenn

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ABWR Tasks as wvaqp up PBA F A R t

DSER S5AR Tiete NstC Ca-arrt 'I a e Next thee Action Ceumments ieesus ' Sch

%mana=sh EC-s a a v'

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E Margises analysis Site nyecdic FETA i

I-14 Coefire electrical Kelly '

• =-

  <=parteies Duncan met A,'

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l 1

inn siac specific PRA cy=ru used j

• n smar1Pa*

j.

W mal be impast to ITAAC.

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,F O-21B Se===r -- ;- - E = for Palla v

E pare 04'smargins

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sysacune not in Duncan ansessament j

certarmed design I

i n -

a Scisemic FitA mot l

i.

5-10 m

. SomKwill use 11NL Kelly inmaard curve Duncan

.e, ' sJ. km resolved i

Not sequired.

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n20s a Hour to arent scimmic Kelly t.

se i

harand uncertaineses Duncan Item resehed

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j I-10 Condire -n=e=R Kelly v

E

,couer sciesnic capacieses Dusecan by PRA impet so a

and incorpormse in ITAAC

% 8PeC5 i

t i

j I-11 Modify se3==3e FRA KcIly

- -- a a

h um==c PR A mot l

, to ama-na for soil Duncan K,_NJ NRC j

faidores ammy address by i

note he - - ;

l I

requerement-Item Resolved

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C = Coaliresdory seems s - senreed

}

4 S - Senff currecsson v - docused ~" _, but nos ' --- c :.-d O - C --

", inces c - commplesc anah decommeneed agreamscot I = Intedece segeiscument u = not --A- "_

4/3/92 P - DSFJL page _

• . - no En-me ss==maner n - Not a IMiFJL incum Pagge 16

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ABWK Tasks to wrap up PRA P A R DSER SSAR Title NRC Contact I n e Next Date Action Comments Sabtank CE Contact a a v Actor itema Section a I i

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e

---a n

a Ce agrees so 112 Plant walkdown by Kefly plant applicant Duncan walidown. Per EPRI hT-6C41 J_ tem resoied w

Senmec PRA not I IS Sise specific sessmic Kelly

--n n

n required. NRC PITA by applicant Duncan may address by site licensing requirement.

l!enP W 0-19 Address poeential for Palla v

NRC

?

Evahmate pror sal.

Propoecd Mwe discuss.rm appronc1*

penetrasion, 2necht needed dg prended to NRC isolation valse failure resolution.

Dec. 91.Jan. 92 during seismeic event v

CE Include correction in CE wis correct

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S-3 Correct the Kelly trectment of Vishu amargins analysis j

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