ML19339C814

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Slide Presentation Entitled Limerick Generating Station Preliminary Risk Assessment
ML19339C814
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 10/02/1980
From:
GENERAL ELECTRIC CO.
To:
Shared Package
ML19339C812 List:
References
NUDOCS 8011190532
Download: ML19339C814 (20)
v • d • e


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p; AGENDA ITEMS OCTOBER 2, 1980 e INTRODUCTION (P.E. CO.)

e ANALYSIS APPROACH (GE/SAI)

CASES CONSIDERED GROUND RULES METHODOLOGY SUCCESS CRITERIA e STATUS (GE) e SCHEDULE (P.E. CO.)

8011190 pg

p-e-LIMERICK GENERATING STATION PRELIMINARY RISK ASSESSMENT e

MAY 8, 1980 LETTER REQUESTED ASSESSMENT OF PLANT / SITE COMBINATION e

MAY 21, 1980 MEETING DISCUSSED APPROACH - EXTERNAL EVENTS NOT TO BE INCLUDED e

JULY 11, 1980 MEETING CLARIFIED THE STUDY APPROACH e

LJ

tJ 2, LGS

'PRA PARTICIPANTS l

e PHILADELPHIA ELECTRIC CO.

e GENERAL ELECTRIC CO.

I

, SCIENCE APPLICATIONS INC.

j e MUS CORPORATION e BECHTEL POWER CORPORATION e CHICAGO BRIDGE & IRON CO.

e FAUSKE & ASSOCIATES, INC.

e METEOROLOGICAL EVALUATION SERVICES, INC.

e CENTER FOR PLANNING RESEARCH 1

4

/

+ - - -,

,,m

i LIMERICK PRA PROGRAM STATUS 2

I TASK I i

PROBABILITY OF RADIOACTIVE RELEASES 90% COMPLETE' TASK Ill CONSEQUENCES OF RADIOACTIVE i

RELEASES l

40% COMPLETE TASK II i

MAGNITUDE OF RADIOACTIVE RELEASES j

f 90% COMPLETE RJM-15 10/02/80

if LIMERICK PRA CASES STUDIED e

WASil 1400 AT LIMERICK SITE e

LIMERICK PLANT AT LIMERICK SITE RJM-1 10/02/80

l LIMERICK PRA WASH 1400 PLANT AT LIMERICK SITE e

WASH 1400 PROBABILITIES e

WASH 1400 RELEASE FRACTIONS e

LIMERICK SITE POPULATION e

LIMERICK SITE METEOROLOGY WASH 1400 CRAC l

RJM-2 l

10/02/80 l

l

<t 7 LIMERICK PRA LIMERICK PLANT AT LIMERICK SITE 9

f1ETHODOLOGY USED 4

C0f1DIT10NS & GROUT 4D RULES S

SUCCESS CRITERIA RJM-3 10/02/80

ts i

LIMERICK PRA SIGNIFICAN1 INPUTS & GROUNDRULES 9

LIMERICK CONFIGURATION AS DESIGNED - BWR/4, MK II t,

e LIMERICK POPULATION TO 500 MILES l

9

" REALISTIC" OUANTIFICATION - BEST AVAILABLE DATA - ALL APPLICABLE SYSTEMS e

" SUCCESSFUL" TERMINATION - HOT SHUTDOWN, STABLE CONDITIONS 8

PEACH BOTTOM TECHNICAL SPECIFICATIONS e

TMI EMERGENCY OPERATOR GUIDELINES i

9 OPERATOR ERRORS OF OMISSION EVALUATED e

ERRORS OF COMMISSION NOT EVALUATED 0

NO FIRE, FLOOD, EARTHQUAKE, SABOTAGE e

LOSS OF OFFSITE POWER PROBABILITY FOR LIMcRICK GRID I

Ok NO LIQUID PATHWAYS S

ATWS ALTERNATE 3A 4

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10/02/80

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FAULT TREES e

EVENT TREES e

WAM COM? UTER CODES RJM-4 10/02/80 1

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CONDENSATE AUTOMATIC DEPRESSURIZ/JION SYSTEM (ADS) '

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- LOW PRESSURE CORE INJECTION (LPCI)

- CONTAINMENT SPRAY

_ RHR SERVICE WATER 9

HIGH PRESSURE COOLANT INJECTION (HPCI) e REACTOR CORE ISOLATION COOLING (RCIC) e LOW PRESSURE CORE SPRAY (LPCS) 9 EMERGENCY SERVICE WATER 9

AC POWER 8

DIESELS 9

STANDBY LIQUID CONTROL (SLC)

RJM-5 10/02/80 1

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TRANSIENTS INADVERTENT MSIV CLOSURE & LOSS OF FW TURBINE TRIP WITH BYPASS (25%)

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" Transfer to bridge tree 10/02/80 G

f kk,LIMERICKPRA TASK II MAGlilTUDE OF RELEASE BOIL I

CORE UtlCOVERY 8

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- RELATIVELY RAPID CORE MELT WITH INTACT CONTAINMENT i

i TRANSIENTS & SMALL LOCA EVENTS WITH LOSS OF INVENTORY MAKEUP CLASS II

- RELATIVELY SLOW CORE MELT WITH FAILED CONTAINMENT TRANSIENTS & LOCA EVENTS WITH LOSS OF cPNTAINMENT HEAT REMOVAL CLASS 111

- RELATIVELY RAPID CORE MELT FOLLOWED BY CONTAINMENT FAILURE TRANSIENTS WITHOUT SCRAM WITH CORE MELT BEFORE CONTAINMENT FAILURE

. CLASS IV

- RAPID CORE MELT WITH FAILED CONTAINMENT TRANSIENTS WITHOUT SCRAM WITH CONTAINMENT FAILURE BEFORE CORE MELT RJM 11 LO/UL/80 1

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IFI' LIMERICK PRA SUCCESS CRITERIA I

1.

TRAf1SIEf1TS (WITH SCRAM) r SUCCESSFUL RECOVERY FROM INITIATING TRANSIENTS (WITH f,

SCRAM) REQUIRES:

S RCIC k

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2 LPCS LOOPS l OR l 1 0F(W1TH 2 SRV'S OPEN) 0 4

4 LP$1 PUMPS OR 1 0F(WITil 4 SRV' S OPEN) 0 ij t,

8 1 CONDENSATE PUMP l OR l

}l (WITH 1 SRV OPEN) i FOR ADEQUATE VESSEL INVENTORY MAKEUPJ l4

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J CONDENSER l OR l Malt)WITH MSIV'S OPEN) e 1

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FOR ADEQUATE LONG-TERM HEAT REMOVAL.

NOTE:

10RV REQUIRES A LOW PRESSURE INJECTION SYSTEM WITHIN' 1 AND l-1/2 HOURS.

i RJM-14 '.

10/02/80 J

4 4

=-.e

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%_., d 'l LIMERICK PRA i

PROGRAM STATUS i

a i

4 TASK I i

PROBABILITY OF RADIOACTIVE RELEASES 90% COMPLETE TASK III r

CONSEQUENCES OF RADIDACTIVE RELEASES 40% COMPLETE TASK 11 I

MAGNITUDE OF RADI0 ACTIVE RELEASES 90% COMPLETE 4

RJM-15 t

10/02/80 i

s 4

a.---

MEETING

SUMMARY

DISTRIBUTION Docket File D. Muller T. Greene NRC PDR R. Ballard S. Treby, OELD Local PDR W. Regan C. Woodhead, OELD i

NSIC D. Ross C. Kelber, RES i

TIC P. Check L. Rib, RES l

TERA R. Satterfield F. Combs, OCA fiRR Reading

0. Parr Hughes, SAI LB #2 File F. Rosa W. Baldewicz, ACRS H. Denton W. Butler D. Johnson E. Case W. Kreger D. Eisenhut R. Houston l

R. Purple T. Murphy B. J. Youngblood L. Rubenstein A. Schwencer T. Speis F. Miraglia W. Johnston J. Miller J. Stolz G. Lainas S. Hanauer R. Vollmer W. Gamill J. P. Knight F. Schroeder R. Bosnak D. Skovholt F. Schauer M. Ernst i

R. E. Jackson R. Baer l

Project? tanager C. Berlinger Licensing Assistant MService K. Kriel

)

Attorney, OELD G. Kn.ighton I&E (3)

A. Thaaani I

ACRS (16)

D. Tondi R. Tedesco D. Vassallo G. Lear J. Kramer P. Collins V. Noonan i

S. Pawlicki D. Ziemann V. Benaroya S. Israel Z. Rosztoczy L. Soffer W. Haass S. Acharya NRC

Participants:

Others:

Boyer, PECo Logue, PECo_McCandless, GE Levine, NUS I

BCC: Applicant & Service List 1

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