ML19330C767

Status Rept on Potentially Reportable Deficiency Re Min Wall Thickness of Feedwater Pipe Bend Below Design Requirements. A/E Requested Feedwater Pipe Supplier to Perform Evaluation. Final Rept Will Be Submitted by 801211

ML19330C767
Person / Time
Site:	Grand Gulf
Issue date:	08/04/1980
From:	Mcgaughy J MISSISSIPPI POWER & LIGHT CO.
To:
References
AECM-80-179, NUDOCS 8008110448
Download: ML19330C767 (2)

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-J .cE) P. O. 3 O X 13 4 0. J A C K S C N, M i 3 5 l S S I :: a l 33205 rattcw ==c~ ' .r c.. :pwve,r Au gu s t -. , 1920 Office of Inspection i Enfor:2:ent E. 3. Nuclear F.egulatory Oc=rission

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101 aartetta street, : .w . THIS DOCUMENT CONTAINS suite 3109 P0OR QUAUTY PAGES Atir.nta, Gecrgia 3030:

A t ten tic,n : 'f r . ,~ . ' . O ' Reillf , Director Ocar 'ir. C % ; ly-3:2 JECT: Grund Gulf !!uclear Station ente? - and .,

Occh t 2cs. 30-116/517

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c ,w u, / i. .= : _ ;,/ o: ,:,6 FFO-80/-0, Status Raport, Faed-ect.er ? ice Hend 3elow Design Minimut !!all Thickness AEC -30/179 On July 9, 19E0, P.ississippi Power 5 I.ight notified Mr. F.

Cantrell cf your office of a Potentially Raportable Deficiency C2D) at the Orand ulf :.uciaar Statien construction site. Tha deficiency concerns the minimum wall thickness of a Feedwater pipe band 1:ing balar dasign requiracants.

Our investigatien into this matter hcs not been ccmpleted.

Houever, the architect / Engineer has requested the feedwater pipe supplier to perform an evaluation en the feedwater pipe and to evaluate the bending process. The Architact/ Engineer is also preparing a procedura to UT the present Unit I feedwatar pipe.

Na enpect to cceplate our evalua;icn and submit a final re-pcrt by Decechar 11, 1980.

Yours truly,

^f c7 0.*~ i p J. ?. McGaughy. Jr.

Assistant ' lice Frasident, ATR:st Nuclear 2roduction oil

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i i,1!5Sf 5Sf ??1 PC'.YER & L.:GHT CC MPAil'-

'Ir. J. P. O'Xei'ci

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cc: Mr . N. .L. S triplay Mr. R. L. McGehea

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Mr. Victor Stallo, Direc:cr Divisica ef Inspecticn S Enforcar.cn:

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