ML20099G147
| ML20099G147 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 02/21/1985 |
| From: | Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | Kirsch D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| DER-85-01, DER-85-1, NUDOCS 8503140475 | |
| Download: ML20099G147 (3) | |
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, n y g-4 Arizona Nuclear Power Proje_ct Ff3 4 !N lb 2 4 P.O. BOX 52034 e PHOENIX, ARIZONA 85072-2034 February 21, 19857.,iU:U ANPP-31974-TDS/TRB U. S. Nuclear Regulatory Conmission Region V 1450 Maria Lane - Suite 210 Walnut Creek, CA 94596-5368 Attention:
Mr. D. F. Kirsch, Acting Director Division of Reactor Safety and Projects
Subject:
Interim Report - DER 85-01 A 50.55(e) Potentie11y Peportable Deficiency Relating to the Auxiliary Feedwater Pump Drive Turbine.
File:
85-019-026; D.4.33.2
Reference:
Telephone Conversation between A. Hom and T. Bradish on January 25, 1985.
Dear Sir:
The NRC was notified of a potentially reportable deficiency in the referenced telephone conversation. At that tite, it was estimated that a determination of reportability would be made within thirty (30) days.
Due to the extensive investigation and evaluation required, an Interim Report is attached.
It is now expected that this information will be finalized by March 20, 1985, at which time a complete report will be submitted.
Very truly yours, l
CLLL_
dL 0
E. E. Van Brunt, Jr.
S APS Vice President, Nuclear Production ANPP Project Director EEVB/TRB/pik Attachment cc:
See Page Two l
I
.o Mr. D. F. Kirsch DER 85-01 Page Two cc Richard DeYoung, Director Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C.
20555 T. G. Woods, Jr.
D. B. Karner W. E. Ide D. B. Fasnacht A. C. Rogers
)
l L. A. Souza D. E. Fowler T. D. Shriver C. N. Russo B. S. Kaplan J. R. Bynum J. M. Allen D. Canady A. C. Gehr W. J. Stubblefield W. G. Bingham R. L. Patterson.
R. W. Welcher H. D. Foster D. R. Hawkinson R. P. Zimmerman M. L. Clyde M. Matt T. J. Bloom D. N. Stover Records Center Institute of Nuclear Power Opertions 1100 circle 75 Parkway, Suite 1500 Atlanta, GA 30339
r INTERIM REPORT - DER 85-01 POTENTIAL REPORTABLE DEFICIENCY ARIZONA PUBLIC SERVICE COMPANY (APS)
PVNGS UNIT 1, 2, 3 I.
Potential Problem During final evaluation of the equipment qualification manual for i
the auxiliary feedwater pump drive turbine, it was discovered that the no. 9 taper pin on the coupling end of the turbine was not large enough to resist the shear loads during normal operation and seismic DBE conditions.
II.
Approach To and Status Of Proposed Resolution Bechtel engineering is currently studying this problem to determine reportability and technical justification for corrective action.
III.
Projected Completion of Corrective Action and Submittal of the Final l
E!21t-The complete evaluation and final report are forecast to be completed l
by March 20, 1985.
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