ML19242B957

Responds to IE Bulletins 78-12 & 12A Re Atypical Weld Matl in Reactor Pressure Vessel Welds.Weld Matl Info & Other Required Info Are Included in CB&I 790424 Rept

ML19242B957
Person / Time
Site:	Cook
Issue date:	05/23/1979
From:	Noon F WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To:	Jensen J AMERICAN ELECTRIC POWER CO., INC.
Shared Package
ML19242B707	List: ML19242B706 ML19242B951 ML19242B957
References
AEP-79-10, NUDOCS 7908090584
Download: ML19242B957 (2)

Text

ATTACHMENT 3 0.s.'

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Wes inghouse Water Reactor uwsm use Electric Co:peranon Divisions g;, n P c :u c c s,.r.a m ::

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May 23, 1979 e c.'# --

AEP-79-10 0 -.'.

Ms.J.R.4ense'".yt'-

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'!echanical Engineering Division American Electric Power Service Corp.

2 Broadway New York, NY 1C004

Dear Mr. Jensen:

NRC IE Bulletins d78-12 & 678-12A "Aty ica! ',!eid Material in Reactor Pressure vessel ':: elds" Based upon cur technical evaluation of the information contained in the gereric re;cr: ccccile: by Chicago Bridge & Iron Cecpany to satisfy :ne requirements presented in :ne U.S. Nuclear Regulatory Commission IE Esile-t ns 475-12 and =73-12A, Westinghouse has concluded that the weid material dita and othe requirec infcrmatien p rtinent to the D.C. Cook Unit 2 reacter vessel hre included in Chicago Bridge & Iron's report.

This report has previously been submitted to the U.S. Nuclear Regulatcry Ccc.issien, as evidenced by Chica;c Eridge & Ircn Cc ;any's transrit:al letter of April 24, 1979 to the U.S. Nuclear Regulatory Ccamission, a copy of which is enclosed for your infcrmatien.

Additionally, we have enclosed for ycur files a copy of Chicago Bridge &

Iron Ccmpany's letter to '.'cstingncuse, dated April 24, 1979, providing further cen#irra:icn that the generic report prepared by veadcr incluces records pertaining to the D.C. Cock Unit 2 reactor vessel. The Chicagc Bridge i Iron cer:ificatiens stating that the re;cr: ccntains cata for the D.C. Cook Unit 2 reactor vessel is incl 2ded in Part 2 of the recort.

Westingncuse audited the subject report against the AS.'I anc W E-Spec.

requirements fcr ne D.C. Ccok Unit 2 reacter vessel built by Chicagc Bridge i Ircn Tne re;cr: contains data pertaining to the D.C. Ccck Unit 2 reactor vessel anc is consicerec to be in ccmoliance with the U.S. Nuclear Regulatory Ccmmissien bulletins and Westingncuse requirements.

In addition to the data supoliec by Chicago Sridge & Ircn Comcany in the subject report, Westingncuse has develoced surveillance welcrent cata.

This cata is containec in tne following report, which has previously been transmitted to yeu:

D.C. Cook Unit 2, WCAP-8512, dated November, 1975 i -0v

\ n (3 r.,c LJ J

79080905Si-

? May 23,1919 J. R. Jensen As stated in their report Chicago Bridge & Iron Company has no archive material fcr tne welds represented by this report. Westingnouse inven-toried our archive weldment material which could be used for verification purposes en the D.C. Ecok Unit 2 reactor vessel. This material consists of one full-thickness weldment tafe up of weld wire from heat number 53956 .

and Linde Flux 120 from ict number 924.

In cenclusion, this letter provides assurance that the D.C. Cook Unit 2 reactor vessel is covered in the subject report, and fulfills Westinghouse's obligations relative to the Reactor vessel Weld Material Program contracted for by American Electric Power Service Corporation.

A copy of the Chicago Bridge and Iron generic report applicable to the D.C. Cook Unit 2 is submit +.ed for your records.

Sincerely,

, ,a 6 .

g/(( cp,,' - --

". .ioon, Manager Eastern Service Regicn JDC/pl Attachments cc: D.V. Shaller R.W. Jurgensen J.G.. Kern .

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