ML19317D610: Difference between revisions

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DLUCE POWER COMP [ Y Powen Buxtorwo 422 SouTu Cnunen STncer, CnAntorrs, N. C. monot A. C. Testos, se. oa v.cc Nr6.c =>                                                              P O. Box c:70 PacDUCfsD> a=c TeahnwaS610h September 20, 1974 Mr. Norman C. Moseley, Director Directorate of Regulatory Operations U. S. Atomic Energy Commission Region II - Suite 818 230 Peachtree Street, Northwest Atlanta, Georgia 30303 Re:      Oconee Nuclear Station Docket Nos. 50-269, -270, -287 i           
DLUCE POWER COMP [ Y Powen Buxtorwo
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422 SouTu Cnunen STncer, CnAntorrs, N. C. monot A. C. Testos, se. oa v.cc Nr6.c =>                                                              P O. Box c:70 PacDUCfsD> a=c TeahnwaS610h September 20, 1974 Mr. Norman C. Moseley, Director Directorate of Regulatory Operations U. S. Atomic Energy Commission Region II - Suite 818 230 Peachtree Street, Northwest Atlanta, Georgia 30303 Re:      Oconee Nuclear Station Docket Nos. 50-269, -270, -287
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==Dear Mr. Moseley:==
==Dear Mr. Moseley:==
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;            on Oconee Units 1, 2, and 3. This modification consists of attaching
;            on Oconee Units 1, 2, and 3. This modification consists of attaching
!            a plate to the bottom of the threaded rod to prevent the spherical nut unthreading.                                    ,
!            a plate to the bottom of the threaded rod to prevent the spherical nut unthreading.                                    ,
                                                                    .
Very truly yours,
Very truly yours,
                                     ~
                                     ~
W A. C. Thies ACT:vr Attachment l
W A. C. Thies ACT:vr Attachment l
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l t
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Latest revision as of 07:36, 1 February 2020

Forwards B&W Rept Re Design Deficiency in Internals Handling Fixture Spherical Nut Retaining Devices.Mod to Spherical Nut Retaining Device Completed at Facility
ML19317D610
Person / Time
Site: Oconee  Duke Energy icon.png
Issue date: 09/20/1974
From: Thies A
DUKE POWER CO.
To: Moseley N
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19317D611 List:
References
NUDOCS 7912060850
Download: ML19317D610 (2)


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DLUCE POWER COMP [ Y Powen Buxtorwo 422 SouTu Cnunen STncer, CnAntorrs, N. C. monot A. C. Testos, se. oa v.cc Nr6.c => P O. Box c:70 PacDUCfsD> a=c TeahnwaS610h September 20, 1974 Mr. Norman C. Moseley, Director Directorate of Regulatory Operations U. S. Atomic Energy Commission Region II - Suite 818 230 Peachtree Street, Northwest Atlanta, Georgia 30303 Re: Oconee Nuclear Station Docket Nos. 50-269, -270, -287 i

Dear Mr. Moseley:

The Babcock and Uilcox Company has informed us of a deficiency in the design of the internals handling fixture spherical nut retaining devices in use at Oconee Nuclear Station. Attached is a B&W report documenting their generic investigation of this deficiency.

Modification to the spherical not retaining device has been completed

on Oconee Units 1, 2, and 3. This modification consists of attaching

! a plate to the bottom of the threaded rod to prevent the spherical nut unthreading. ,

Very truly yours,

~

W A. C. Thies ACT:vr Attachment l

l t

I 5

' y/gDbD D-o P

.- =