ML20062E481

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Responds to IE Bulletin 78-12 Re Atypical Weld Matl in Reactor Vessel Pressure Welds.States That Reactor Vessel Not Yet Manufactured
ML20062E481
Person / Time
Site: 05000484
Issue date: 11/27/1978
From: Dienhart A
NORTHERN STATES POWER CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NLR3-06, NLR3-6, NUDOCS 7812070311
Download: ML20062E481 (1)


Text

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D e e NORTHERN STATES POWCR COMPANY E A U CLA s st E. WISCONSIN 84708 e

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flovember 27, 1978 FILR3 - 06 Mr J G Keppler, Director Office of Inspection and Enforcement

( U S tluclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, Illinois 60137 TYR0tlE ENERGY PARK E-7470 Docket tio. STri 50-_484 ..

~~

Dear Mr Keppler __

IE Bulletin l10. 78-12 required a response within 60 days of the - -

issuance of your September 29, 1978 letter. The Bulletin discusses -

atypical weld material in reactor pressure vessel welds.

The Tyrone reactor vessel has not yet been manufactured, thus there are no data currently available for the vessel. However, as the

, , vessel is shipped to the Tyrone site, the weld material data can be made available for review and inspection.

Yours very truly

/ /

AVD cc U S tiuclear Regulatory Commission l

Office of Inspection and Enforcement Division of Reactor Operations Inspection Washington, D C 20555 7 } O 70 ggeg_ t.'0V 2 91978 So3W_