ML20081G491

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Interim Deficiency Rept Re safety-related Ductwork Already Installed W/O Engineering Evaluation Necessary to Meet Design Criteria for Seismic Event.Initially Reported on 831003.AE Performing Evaluation.Next Rept by 840309
ML20081G491
Person / Time
Site: Marble Hill
Issue date: 10/31/1983
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, S83-46, SVP-0138-83, SVP-138-83, NUDOCS 8311070075
Download: ML20081G491 (2)


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PUBLIC SERVICE INDIANA S. W. Shields October 31, 1983 senior vice President -

S83-46 Nuclear Division SVP-0138-83 l

Mr. James G. Keppler, Docket Nos.: STN 50-546 Regional Administrator STN 50-547 U. S. Nuclear Regulatory Commission Construction Permit Nos.:

Region III CPPR - 170 799 Roosevelt Road CPPR - 171 Glen Ellyn, Illinois 60137 l

l Marble Hill Nuclear Generating Station - Units 1 and 2 l

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Dear Mr. Keppler:

On October 3, 1983, Mr. L. G. Yeager 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 concerns the potential that safety related ductwork already installed may not have received the engineering evaluation necessary to meet the design criteria for a seismic event. If this deficiency exists, and had it gone uncorrected, it could have affected adversely the safety of operations at Marble Hill.

PSl's architect engineer, Sargent and Lundy, is currently performing calculations to determine the ductwork's ability to withstand a seismic event. Upon completion of this task, PSI will take appropriate corrective actions, if necessary.

This letter is intended to fulfill the thirty (30) day reporting require-ments of 10 CFR 50.55(e) and is considered an interim report. A further report will be filed on or before March 9, 1984. If you have any questions regarding this matter, please contact me at your convenience.

Sincerely, 8311070075 831031 DR ADOCK 05000546 PDR S. W. Shields

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SWS/LGY/bak 1

I NOV 2153 P. O. Box 190, New Washington, Indiana 47162

~812. 289.3000

I PUBUC SER CE Letter:

J. G. Keppler October 31, 1983 g9 S83-46 l

SVP-0138-83 cc: Director of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C.

20555 J. E. Konklin J. F. Schapkcr l

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