ML20074A558
| ML20074A558 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 05/03/1983 |
| From: | Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | Sternberg D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, ANPP-23646-RQT, DER-83-19, NUDOCS 8305130168 | |
| Download: ML20074A558 (3) | |
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- J4:rt:0 Arizona Public Service Company P.O. BOX 2i666
- PHOEN'X ARIZONA 85036 F Cj ' '
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r May 3, 1983
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U. S. Nuc1 car 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
Subject:
Interim Report - DER 83-19 A 50.55(e) Potentially Reportable Deficiency Relating j.
to Safety Injection System Snubbers from Pacific Scientific Do Not Function Properly File:
83-019-026 D.4.33.2
Reference:
Telephone Conversation between A. D'Angelo and R. Tucker on April 6, 1983
Dear Sir:
The hTC was notified of a Potentially Reportable Deficiency in the referenced telephone conversation. At that time, 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 August 1, 1983, at which time a complete report will be submitted.
Very truly yo l
9E J
J E. E. Van Brunt, Jr.
APS Vice President Nuclear Projects ANPP Project Director EEVBJr/RQT:skc l
Attachment cc: See Page 2 h
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Mr. D. M. Sternberg, Chief ANPP-23646-RQT/BSK May 3, 1983 Page 2 cc:
Richard DeYoung, Director Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 T. G. Woods, Jr.
l G. C. Andognini J. A. Roedel D. B. Fasnacht A. C. Rogers B. S. Kaplan W. E. Ide J.'Vorees J. R. Bynum P. P. Klute/D. D. Green A. C. Gehr W. J. Stubblefield W. G. Bingham R. L. Patterson R. W. Welcher R. M. Grant D. R. Hawkinson L. E. Vorderbrueggen G. /. Fiorelli Records Center Institute of Nuclear Power Operations 1100 circle 75 Parkway - Suite 1500 Atlanta, Georgia 30339
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INTERIM REPORT - DER 83-19 1
POTENTIAL REPORTABLE DEFICIENCY l
-ARIZONA PUBLIC SERVICE COMPANY (APS)
PVNGS UNIT #1 1
l I.
Potential Problem While performing a pre-service examination, it was discovered that seven (7) Mechanical Shock Arrestors were not properly performing their function as follows:
A.
NCR's No. S-216-1M and No. S-225-1M document Pacific Scientific Models PSA-1/4 (350 lbs.) and PSA-3 (6,000 lbs.) Snubbers frozen or locked up in position.
B.
NCR's No. S-227-1M, No. S-239-1M and No. S-252-1M document Pacific Scientific Models PSA-1 (1,500 lbs.)
and PSA-1/4 (350 lbs.) Snubbers binding up during part of the stroking cycle.
C.
NCR's No. S-253-1M and No. S-254-1M document Pacific Scientific Models PSA-3 (6,000 lbs.) and PSA-10 (15,000 lbs.) Snubbers rubbing against insulation clips.
II.
Approach To and Status Of Proposed Resolution The NCR's for Items A and B are being dispositioned replace the installed Snubbers with Snubbers of equal design and return the deficient Snubbers to the vendor.for repair and evaluation (Interim Disposition). The NCR's for Item C are being dispositioned " rework",
to remove the interference (Interim Disposition). Bechtel Engineering is corresponding with Pacific Scientific to identify the cause of this condition.
III.
Projected Completion of Corrective Action and Submittal of the Final Report
. Evaluation of this condition and submittal of the Final Report is forecast to be completed by August 1, 1983.
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