ML20028C961

Interim Deficiency Rept DER 82-73 Re Itt Grinnell Pipe Supporting Clamps Failure to Properly Secure Piping in Main Steam Support Structure Due to Excess Gap.Initially Reported on 821124.Investigation Continuing.Final Rept by 830309

ML20028C961
Person / Time
Site:	Palo Verde
Issue date:	12/23/1982
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, DER-82-73, NUDOCS 8301140348
Download: ML20028C961 (3)

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i Docket' Nose 50-528/529/530 j; 2*W 50.55'( )?y~t J

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Arizona Public Service Company -

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. po sox 21666. PHOENIX, ARI2ONA 85038

> December 23, 1982SEg g Y ANPP-22589-GHD/BSKi

/4 U. S. Nuclear Regulatory Commission C

Region V Creekside Oaks Office-Park

'1450 Haria Lane

. Suite'210 Valnut Creek,. California 94596-5368~

Mr. D.'N. S'ernberg, Chief-Attention:

t Reactor Projects' Branch 1

Subject:

- Interim Report. DER 82.

'A 50.55(e) Potentially Reportable Deficiency Relating'to ITT Grinnell Pipe Support Clampt Have Excess Gap, May Not:

Properly Secure Piping in Unit. thin ' Steam Support Structure File: 82-019-026 D.4.33.2

Reference:

-Telephone Conversation between P. Narbut and G. Duckworth -on November 24,.1982

Dear Sir:

.I The NRC 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 i

finalized by March 9, 1933, at which time a complete report will be subultted.

Very truly yours, n.

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%R E. E. Van Brunt, Jr.

APS Vice President 8301140348 821223 Nucicar Projects Management

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PDR ADOCK 05000529 S

ANPP Project Director PDR

. EEVIUr/ Gild:db Enclosure cc: See Attached Page-2

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U. S. Nuclear ~ Regulatory Commission December ~ 23,-1982 LAttention

. Mr.'D. M.' Sternberg,LChief-

-ANPP-22589-GHD/BSK Page.2 4

cc:LRichard 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. Vorees-

J. A. Brand A. C. Gehr.

W. J. Stubblefield W._G. Bingham R. L. Patterson R. W. Welcher.

R. M. Grant:

D. R. llawkinson L. E. Vorderbrueggen G. A. Fiore111 P. P. Klute Lynne Bernabei,.Esq.

Harmon & Weiss-1725 "1" Street, NW Washington, D. C. 20006 R..L. Greenfield

' Ausistant Attorney General Bataan Memorial Building Santa Fe, New Mexico 87503

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i1NTERIM REPORT'-' DER 82-73:

POTElfrIAL REPORTABLE DEFICIENCY.

? ARIZONA PUBLIC SERVICE COMPANY (APS)'~

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FVNGS UNIT 2-r I.-

. POTENTIAL-PROBLEM-

-During a template check on pipe clamps supplied by ITT Grinnell-per.

Purchase. order 10407-13PM-209, It was found that an excessive gap.

existed between-the pipe and pipe clamp'across the width of the clamps..This-condition resulted in a sliding fit.rather..than the required secure' fit necessary for-the associated snubber or sway strut to function as designed.

f II. APPROACH TO AND STATUS OF PROPOSED' RESOLUTION Bechtel Engineering is currently corresponding with ITT Grinnell to disposition this condition.

III. PROJECTED COMPLETION OF CORRECTIVE' ACTION AND SUBMITTAL OF Tile FINAL REPORT

-Evaluation of this condition and submittal of the Final Report is

' forecast to be completed by liarch 9,- 1983.-

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