ML19331D707

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Interim Deficiency Rept Re Operation of Centrifugal Charging Pumps During High Energy Line Rupture.Alternative Mods Being Evaluated by Westinghouse.Final Rept Will Be Submitted 801114
ML19331D707
Person / Time
Site: Marble Hill
Issue date: 08/20/1980
From: Shields S
PSI ENERGY, INC. A/K/A PUBLIC SERVICE CO. OF INDIANA
To:
References
NUDOCS 8009030480
Download: ML19331D707 (1)


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PUBLIC SERVICE .

INDIANA S. W. Shields sen.or vice Presdont .

Nuclear Ontisen August 20. 1980 Mr. James G. Keppler, Director Docket Nos.: STN 50-546 U. S. Nuclear Regulatory Ccamission STN 50-547 Region III Construction Permit Nos.:

799 Roosevelt Road CPPR - 170 Gier Ellyn, Illinois 60137 * -

CPPR - 171 Marble Hill Nuclear Generating Station - Units 1 and 2

Dear Mr. Keppler:

On May 9, 1980, Mr. T. D. Geib of Public Service Company of Indiana, Inc., (PSI) notified your office of a potentially reportable item as required by 10 CFR 50.55(e). This item, which pertains to the operation of centrifugal charging pumps during a high energy line rupture, was described in an interim report to your office en June 2, 1980.

As planned, Westinghouse analyzed this problem and has reccamended that some plant modificatica be made. Various potential modifications are presently being evaluated by Westinghouse and the best alternative is being selected. PSI will advise your office of what action will .

be taken in a final report on or before November 14, 1980. If you have any questions, please feel free to contact me.

Sincerely,

/ S. W. Shield.s TDG/cg cc: Director of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 E. R. Schweibinz, P. E. fp J. J. Harrison O8 t (r 7 / .,, O i

P.O. Box 190, New Wa tiington, Indiana 47162_. 812. 293.4441

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