ML20010A489

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Interim Deficiency Rept Re Operation of Centrifugal Charging Pumps During High Energy Line Rupture,Initially Reported on 800509.Westinghouse Evaluation of Possible Mods in Progress. Next Interim Rept Will Be Submitted by 811120
ML20010A489
Person / Time
Site: Marble Hill
Issue date: 08/03/1981
From: Shields S
PSI ENERGY, INC. A/K/A PUBLIC SERVICE CO. OF INDIANA
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
10CFR-050.55E, 10CFR-50.55E, S80-13, NUDOCS 8108110474
Download: ML20010A489 (1)


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Senior Vice President . >/ N y Nuclear Division August 3 N $

Mr. James G. Keppler, Director Docket Nos.: STN 50-546

'J. S. Nuclear Regulatory Commission STN 50-547 Region III Construction Permir No.:

799 Roosevelt Road CPPR - 170 Glen Ellyn, Illinois 60137 CPPR - 171 Marble Hill Nuclear Generating Station - Units 1 and 2

Dear Mr. Keppler:

On }by 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 dated June 2, 1980.

Westinghouse continues to evaluate a number of possible modifications which will resolve this concern. To date, this evaluation has not been completed.

PSI will advise your office of Westinghouse recommendations or will furnish you wfth a further interim report on or before November 20, 1981.

This letter is intended to fulfill the requirements of an interim repcrt as defined in 10 CFR 50.55(e). If you have any questions on this matter, please feel frec to contact me.

Sincerely C

S. W. Shields I s

TDG/mjg /

cc: Director of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 E. R. Schweibinz, P. E.

J. J. Harrison giogg10474 810803 PDR ADOCK 05000546 S PDR g P. O. Box 190, New Washington, Indiana 47162 812. 289.100%$