ML20079N840
| ML20079N840 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 02/16/1983 |
| From: | Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | Sternberg D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| REF-PT21-83 10CFR-050.55E, 10CFR-50.55E, ANPP-23024-GHD, DER-83-1, NUDOCS 8303040444 | |
| Download: ML20079N840 (4) | |
Text
Docket Nos. 50-528/529/530 0
50,55(e) Report t
Arizona Public Service Company /33 gg h [jf P.O. box 21666 PHOENIX. ARIZONA 85036 February lQyf4 83 ANPP-23024-Gild B$kP' U..S. Nuclear Regulatory Commission Region V Creekside Oaks Office Park 1450 Maria Lane - Suite 210 Walnut Creek, California 94596-5368 Attention:
Mr. D. M. Sternberg, Chief Reactor Projects Branch 1 y_.
Subject:
Final Report - DER 83-1 A 50.55(e) Reportable Deficiency Relating to Diesel Generator Voltage Regulating System Transformers May Not Perform As Specified At Iligh Ambient Temperatures.
l File: 83-019-026 D.4.33.2
Reference:
(A) Telephone Conversation between A. D'Angelo and G. Duckworth on January 18, 1983
Dear Sir:
Attached, is our final written report of the Reportable deficiency, under 10CFR50.55(e), referenced above.
(
Very truly yours, CLLL 9 LLL E. E. Van Brunt, Jr.
APS Vice President Nuclear Projects Management ANPP Project Director EEVBJr/GIID:db Enclosures cc: See Attached Page 2
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U. S. Nuclear Regulatory Commission February 16, 1983 Attention: Ifr. D. !!. Sternberg, Chief ANPP-23024-Gild /BSK Page 2 cc: Richard DeYoung, Director Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 T. G. Woods, Jr.
J. A. Roedel D. B. Fasnacht G. C. Andognini J. R. Bynum A. C. Rogers B. S. Kaplan W. E. Ide J. Vorces J. A. Brand A. C. Gehr W. J. Stubblefield W. G. Bingham I
R. L. Patterson R. W. Welcher i
R. M. Grant D. R. llawkinson L. E. Vorderbrueggen G. A. Florelli P. P. Klute Lynne Bernabel, Esq.
llarmon & Weiss 1725 "I" Street, NW Washington, D. C. 20006 R. L. Greenfield Assistant Attorney General Bataan !!emorial Building Santa Fe, New !!exico 87503
FINAL REPORT - DER 83-1 DEFICIENCY EVALUATION 50.55(e) i ARIZONA PUBLIC SERVICE COMPANY (APS)
PVNGS UNIT 1 & 2 I.
DESCRIPTION OF DEFICIENCY A 10CFR Part 21 report was issued by Parsons Peebles-Electric Producte, Inc., pertaining to improper application of a Vestinghouse Type ECT current transformer in the paralleling circuit of emergency diesel generator static exciter voltage regulator subsystems. These transformers were identified to exist in Palo Verde control panels by supplier on June 17, 1982, and Bechtel PVNGS Project was notified on June 18, 1982, via Telex No. 168761 (attached). Bechtel Problem Investigation Request LA-82-59 was subsequently filed requesting the condition to be reviewed.
II.
ANALYSIS OF SAFETY IMPLICATIONS This condition is evaluated as reportable. The subject trans-formers may not be capable of performing their safety related function due to temperature rating problems.
III. CORRECTIVE ACTION Corrective action has been taker in the form of the issuance of l
Design Change Package 1SM-DG-016 for Unit 1 and Design Change l
Package 2CU-DG-016 for Unit 2.
The Unit 3 equipment will be l
corrected by the supplier prior to delivery to the jobsite.
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ATTACHMENT TO DER 83-1
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C HAN*iE OF THE F ARALLELING CT DUE TO TEMPERATURE RATING 7
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PROBLEME. REFEF TO CT HARMAN'S OCTOBER 3.
1991 LETTER ATTACHED. Z ZC*3eC~ Z
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CHAN*F OUT OR MOrIFICATION OF RELAY CONTACTOR BRACKET FOR Z 3'5~ -
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PELAVE T1' ' AND FIELD FLASH. THIS IS REOUIRED DUE TO FAILUREi D'.' RING SEISMIC TEST AS OUTLINED IN SDDR 453 22 Z* C._ _ Z EN-TRONI.:S IS E WEDITING THESE MOVNTING KITS VI A PARSONS PEEBLE:
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WITH BILL BOLE 5.
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2 SY AIR MAIL WE ARE SENDING TWO DETAIL DRAWINGS FOR SEPARATIOrc-1 KETS REDUIRED FOR HIGH VOLTACE SUBICLE. REQUIREMENTS ARE FOR Di NTITY TWO OF GS-062-1009U8t ? AND ONE OF G5-262-1009Ut'4 q-PER CUBICLE. WF APO'_OGI 2E FOR NOT SENDINC MORE PRINTS BL'T OR!-
OINALE WE;E JUii SE*.T O.tT FOR MICROFILM AND WERE NOT IMMEDIATELY OBTAIN0BLE.
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