ML20073F267
| ML20073F267 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 04/06/1983 |
| 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-23442-BSK, DER-82-41, NUDOCS 8304150456 | |
| Download: ML20073F267 (4) | |
Text
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Docket Nos. 50-528/529/530 j
T 50155(e)3 eport R
x,m Arizona Public Service Company,.,,,!
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P o. BOX 21666 e PHOENIX. ARIZONA 85036 April 6, 1983 MM ;
ANPP-23442-BSK/RQT U. S. Nuclear Regulatory Commission Region V Creekside Oaks Office Park 1450 Maria Lane - Suite 210 Walnut Creek, CA 94596-5368 Attention: Mr. D. M. Sternberg, Chief Reactor Projects Branch 1
Subject:
Final Report, Revision 1 - DER 82-41 A 50.55(e) Report Relating to G. E. Switchgear in Unit 3 Cor. trol Building Has Improperly Crimpeo AMP Termination Lugs File:
83-029-026; D.4.33.2
Reference:
A) Telephone Conversation between J. Eckhardt and G. Duckworth on August 2, 1982 B) ANPP-21756 dated September 1, 1982 (Interim Report)
C) ANPP-22374 dated November 23, 1982 (Final Report)
Dear Sir:
Enclosed is revision one of the subject Deficiency Evaluation Report under the requirements of 10CFR50.55(e). This revision corrects the listing of Design Change Package numbers noted in corrective action statement and provides additional clarification of equipment to be inspected for compliance with crimp requirements.
Very truly.yours,
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- E-CLLL\\. ' %LL E. E. Van Brunt, Jr.
APS Vice President, Nuclear Projects ANPP Project Director EEVB/RQT:wp Attachment i
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cc: See Attached Page Two 8304150456 8 i
PDR ADOCK O 530 S
T U. S. Nuclear Regulatory Commission Page Two ANPP-23442-BSK/RQT cc:
Richard DeYoung, Director Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 T. G. Woods, Jr.
G. C. Andognini J. A. Roedel D. B. Fasnacht A. C. Rogers B. S. Kaplan W. E. Ide J. Vorees t
J. R. Bynum D. D. Green P. P. Klute A. C. Gehr W. J. Stubblefield W. G. Bingham i
R. L. Patterson R. W. Welcher R. M. Grant D. R. Hawkinson L. E. Vorderbrueggen G. A. Fiorelli
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y FINAL
- REPORT, REVISION 1 - DER 82-41' DEFICIENCY. EVALUATION 50.55(e)
ARIZONA PUBLIC SERVICE COMPANY (APS)
PVNGS UNITS 1, 2 & 3 I.
Description of Deficiency During testing of class IE.4.16KV switchgear IE-PBA-S03 and IE-PBB-SO4, two conductors were found. pulled from the crimped area'of termination lug barrels, and some of the crimped lugs witisin the equipment did not exhibit identifying marks which. identify correct use of crimping tools and dies.
I General Electric (GE) provided criteria for corrective action for providing acceptable. termination crimps in switchgear furnished by GE under PVNGS specification 13-EM-009. -A follow-up_ random inspection performed by Bechtel Construction using GE criteria in Unit 3 switchgear (7 cubicles noted below) revealed that not all lug terminations were in compliance; however, no open circuits were apparent. In some cases, conductors were less than flush with the crimp connector barrel, and the 4
ends of the wires were not visible under high intensity light and magnification.
SWGR CUBICLE TERM. BLOCK TERM. POINT T
3E-PBA-S03S RRF H 1' 3E-PBA-S03N RRF H1 3E-PBB-SO4L' SC.
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'3E-PBB-SO4L-RRF X1 3E-PBB-SO4M SA 1
3E-PBA-SO4M RRF X1 3E-PBB-SO4P SE 4
3E-PBB-S04P RRF X1 3E-PBA-SO4R SC 5
3E-PBB-SO4R SH 3
1 3E-PBB-S04N DD 11 i
II.
Analysis of Safety Implicatiens 4.
This condition is evaluated as Reportable. Connections with reduced contact area in termination lug barrels do not adequately assure the degree of electrical continuity r' equi ~ red'for reliable operations. LIf
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l inadequately crimped lugs were left uncorrected, potential open circuits
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could jeopardize safety related functions of this :switchgear.
III. Corrective Action l
All Class IE-terminations and those non-Class IE terminations associated with the non-Class IE Auxiliary Feedwater Pump, which utilize AMP crimp ffy
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type lugs in switchgear (Units 1, 2, 3)-supplied by GE'under specifica-tion 13-EM-009 shall be inspected for compliance to GE's visual l
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Final Report, Revision 1_- DER 82-41 Page Two criteria, which provide that the conductor shall be approximately flush with or protrude through the connector barrel up to approximately
/h 1/16". Any connectors which do not meet this requirement shall be removed and have a new AMP connector installed in accordance with Bechtel's termination practices established in construction specifica-tion 13-EM-306 (including proper usage and traceability of crimping tools).
This condition will'be corrected via the following Design Change Packages:
10E-PB-018; 20E-PB-018; 30E-PB-018 jdh In addition to reportability under 10CFR50.55(e), PVNGS Project considers the deficiency to be Reportable by the supplier under the requirements of 10CFR Part 21.
Deficiency Evaluation Report 82-41 addresses the reporting requirements specified under 10CFR21.21(b) (3) with the exception of sub part (vi) which requires the number and location (customers and/or facilities) of other possibly defective equipment. A copy of this report has been sent to GE requesting their review for reporting under 10CFR Part 21, including number and location l
of all components supplied.
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