ML20090K743

Applicant Exhibit A-35,consisting of Nonconformance Rept Re Welds.W/Dm Collings 830624 Ltr to Gw Grier

ML20090K743
Person / Time
Site:	Catawba
Issue date:	11/11/1983
From:	DUKE POWER CO.
To:
References
A-035, A-35, NUDOCS 8405240370
Download: ML20090K743 (7)

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- ' 10CFR50. APPENDIX B, CRITERI0ft XVI EVALUATION AND CORRECTION ACTI0f1 h - STATION: [ 4 UNIT: / NCIR SERIAL NO. / 93'd

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1. Is this condition significant YES N0 2

2. Are there possible Duke or Industry -

f generic implications? YES _ NO 1

3. What is the root cause of the problem?

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4. What corrective action is required to prevent reoccurence?

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5. Is this condition repetitive in nature to the extent corrective action should f be implemented? YES 'NO E

6. Should this condition be investigated -

at other Duke Sites? YES _ NO E If yes, which Sites?

7. Corrective Action Y

BY:  ; DATE: i k REVIEWED BY-

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APPROVED BY:

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June 24, 1983 pf,4 ei'-63 G. W. Grier, Corporate Manager Quality As'surance Department Re: Catawba NCI 13,955 Evaluation of' Significance File: CN-1412.16 The removal of .029" of wall thickness by grinding would not have violated any applicable criteria and would not have been of any nuclear safety or structural significance, had it not been repaired.

The weld repair was required by Design Engineering Materials Group because

! we felt it was the most economical resolution, consistent with nuclear safety.

O K. Blackley, Jr., Chief Engineer w.2chanical & Nucle'ar Division br>1 By: D. !;. Collings, Sen Engineer Di4C/cis 4

Reviewed By: i /7'l  ; Date: (///[/S

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/e.MN. Underwood, chanical Supervising

& Nbclear DivisionDesign Engineer 4

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