ML19345H203

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Slide Presentation Entitled, Amends to 10CFR50:Hydrogen Control-Certain Degraded Core Considerations
ML19345H203
Person / Time
Issue date: 04/23/1981
From:
NRC
To:
Shared Package
ML19345H189 List:
References
FRN-45FR65466, REF-10CFR9.7, RULE-PR-50 NUDOCS 8105010204
Download: ML19345H203 (7)


Text

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AMENDMENTS TO 10 CFR 50

-4:.

I HYDR 0 GEN CONTROL l

CERTAIN DEGRADED CORE CONSIDERATIONS 1

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23 APRIL 1981 l

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TECHNICAL SCOPE 1

NUREG-0737 ITEMS ll

  • 1.

INERTING 0F MARK I, II BWRS l

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H CONTROL FOR MARK III, ICE CONDENSERS 2

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EQUIPMENT SURVIVABILITY 4.

ANALYSES l

  • 5.

DEDICATED H2CONTROL PENETRATIONS (II.E.4.1) l

  • 6.

H2 RECOMBINER CAPABILITY l

7.

HIGH POINT VENTS (II.B.1)

  • 8.

POST-ACCIDENT PROTECTION OF SAFETY EQUIPMENT AND AREAS (II.B.2) l

'9.

IN-PLANT 10 DINE INSTRUMENTATION (III.D.3.3)

  • 10.

POST-ACCIDENT SAMPLING (II.B.3)

  • 11.

LEAKAGE INTEGRITY OUTSIDE CONTAINMENT (III.D.1.1)

  • 12.

ACCIDENT MONITORING INSTRUMENTS (II.F.1) l

  • 13.

DETECTION OF ICC (II.F.2) i 14.

TRAINING AND HUMAN ENGINEERING (II.B.4) i

  • COVERED IN NUREG-0578 - SHORT TERM LESSONS LEARNED TASK F0Ei~E

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MAJOR POLICY QUESTIONS i

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INERT MARK I, II BWRS i'

e SYSTEMS FOR MARK III, ICE CONDENSER l

e INCORPORATE FEATURES OF TMI ACTION I

Pl.AN INTO RULES e

APPLICABILITY TO OLS AND ORS i

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BACKGROUND e

COMMISSION APPROVES ON 9-4-80 PUBLICATION OF PROPOSED RULEMAKING (SECY-80-399) i e

PUBLISHED IN FR OCTOBER 2, 1980, WITH COMMENT PERIOD CLOSED NOVEMBER 3, 1980 e

RECEIVED 35 COMMENTS e

NUREG-0737 PUBLISHED NOVEMBER 1980

1 MAJOR CHANGES FROM FEDERAL REGISTER VERSION i

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e ADD MARK III, ICE CONDENSER SYSTEMS e

ADD PARAGRAPH ON SYSTEMS PERFORMANCE AFTER H

BllRN 2

e CLARIFY SCOPE OF ANALYSES e

ACCEPT INTERNAL RECOMBINER i

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e SLIP DATES i

e OR VERSUS OL IMPLEMENTATION DATES 4

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j VARIATIONS IN VIEWS I

e OELD CONCERNED ABOUT ADEQUACY NOTICE i

FOR TWO NEW REQUIREMENTS I

e IE, NRR CONCERNED ABOUT SCHEDULES e

RISK ASSESSMENT STAFF STILL A'DHERE TO VIEW THAT INERTING NOT OBVIOUSLY RISK-EFFECTIVE (PREVIOUSLY REPORTED IN SECY-80-107) s I

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PPiReii) GWE It! I"ERIM File e ISSm THE INTERIM RULE IN EFFECTIVE FORM e INCLUm OL AND OR DEADLINES FOR IMPLEMENTATION OF 4 HYDROGEN MITIGATION REQUIREMENTS i

e INCLum OL mADUNES FOR THE OTHER 10 REQUIREMENTS e IMFER SETTING OR DEADLINES FOR THE OTHER 10 REQUIREMENTS e SELECT OR DEADUNES IN NEXT FEW MONTHS IN CONTEXT OF !!UfECr075/ RULEMAKING i

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