ML19318C682

Discusses D Hood 791031 Memo Re Potential for post-LOCA Flow Blockage for PWR Plants Caused by Containment Sump Screen Deficiency.Assessment Needed to Determine Whether Board Notification Necessary

ML19318C682
Person / Time
Site:	Midland
Issue date:	11/26/1979
From:	Varga S Office of Nuclear Reactor Regulation
To:	Mattson R Office of Nuclear Reactor Regulation
Shared Package
ML19318C683	List: ML19318C682
References
TASK-AS, TASK-BN-79-42 BN--79-42, BN-79-42, NUDOCS 8007020159
Download: ML19318C682 (1)

Text

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tiovember 26, 1979 r.,

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l NEMORAllDUM FOR: Roger J. Mattson, Director, Sivision of Systems Safety FROM:

Steven A. Varga, Acting Assistant Director for Light Water Reactors, Division of Project Management E?,!

SUBJECT:

C0!1 TAI!4MEtiT SUMP SCREEll DEFICIENCY (Bli-79-42)

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The enclosed memorandum from the tiidland LPM addresses a potential concern regarding post-LOCA flow blockage for certain NR plants based on insulation I

type and sump screen mesh.

i Please advise us whether you consider this to be a matter which should be f;.. -

provided to Boards. An assessment of the concern will be needed if we are to notify Boards.

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Original signed by

• S. A. Varga Sleven A. Varga, Acting Assistant Director i

for Light Water Reactors Division of Project Management

Enclosure:

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