ML20024A939

Responds to TMI-2 Concerns Task Description.Objective Is to Provide Systematically Developed Response to Various B&W Sys Features Identified as Design Deficiencies.Dynamic Coupling Between Once Through Steam Generator & Turbine Considered

ML20024A939
Person / Time
Site:	Crane
Issue date:	01/27/1981
From:	GENERAL PUBLIC UTILITIES CORP.
To:	GENERAL PUBLIC UTILITIES CORP.
References
TASK-*, TASK-GB GPU-0035, NUDOCS 8307010207
Download: ML20024A939 (2)

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i RESP 0 iSE TO IMI-2 C0 ;CER IS TASK CESCRIPTIO!!

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TITLE: SYSTEM OY!;AMIC RESP 0'iSE I s

,ji; i-THE OBJECTIVE OF THIS TASK IS TO PROY10E A SYSTEv.ATICALLY CE L,.

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OBJECTIVE:

1 RESFOiSE TO VARICUS B&W SYSTEM FEATURES THAT HAVE EEEN F

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I!I ADDITICN, THE TASK HILL C0 iSICER THE DYNAMIC DESIGN DEFICIENCIES.

COUPLI!iG BETWEEN THE OTSG, THE REACTOR, THE TURBliiE, A:iD THE FEEDWA CONDDiSATE SYSTEM.

THE DELIVERABLE PR000 CTS FOR THIS TASK WILL BE A SERIES O ADDRESS SPECIFIC CONCERNS AS DESCRIBED IN SECTION 3 BELOW.

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THERE ARE SEVEhAL HAIN ISSUES THAT HAVE BEEN DISCUSSED A!L 2.

BACK OUnD:

A THE KEY ACRS REC 0mEhCATIC iS, hRC STAFF P051TIO!!S ANO fiUREG - 0560.

WORDS DESCRIBIriG THE ISSUES ARE:

- 11UCKING BRONC 0

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PRESSURIZER SIZE LOOP SEAL IN SURGE LINE

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AUXILIARY FEEDWATER INITIATION & CONTROL 4

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.1. INADEQUATE THERHAL CAPACITY POST TRIP LMVENTORY CONTROL /(POST TRIP CONTROL) Y.' ~

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.THIS TASK WILL ADDRESS A!C RESOLVE TO B&W'S SATIS

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HA:c(ER THE FOLLOWING COiCERNS:

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1) SURGE LINE AND PRESSURIZER DESIGN f

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2) AUXILIARY FEEDWATER CONTROL (FLEASE SEE SEPARATE WRI PS) a p

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3) POST TRIP CONTROL C F /*C W 8'f N G M

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5) STEAM GENERATOR INVENTORY i

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Doyle Reporting lac.

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SAFETY ASPECTS OF fig'f.AL/AfiTICIPATED TRMiSIENT 6)

COUPLI!iG BETWEDI THE OTSG, THE RCS, THE TURBI!iE. #;D THE MAIN D.~.

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FEEDWATER/C0!!DDiSATE SYSTEM i

fiATUPAL CIRCULATIO!! - RNIGE/SI!iGLE OTSG C00LI!is NiD 8)

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9) SE!iSOR RESP 0!!SE TIME A!iD RANGE REQUIRENNTS

10) RECOVER RU!!BACK CAPABILITY

11) REDUCE RPS/ESFAS/AFW CFALLDiGES DEVELOPMENT OF BACKGROUND DATA, NCALYSIS OF CATA, NiD SYSTEM 12)

ANALYSIS TO UNDERSTAND COMPETITOR SYSTD( RESPONSE.

DEVELOPMENT OF SYSTEM DYNAMIC RESPO!!SE FERFORPRi 13) 4.

ACTIO!I PtAN:

PLEASE REFER TO ATTACINENT 1 2

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SCHEDULE:

COMPLETE PROGR/,M: 2 YEARS FROM DATE OF START.

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REFERENCES:

fiUREG - 0560 TRANSCRIPTS ACRS RECOP.'iENDATION

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