ML20027D396

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Advises That Util Will Submit by 830331,max Allowable LOCA Kw/Ft Limits Supported by Supplemental ECCS Analysis Incorporating NUREG-0630 Cladding,Swell & Rupture Models
ML20027D396
Person / Time
Site: Three Mile Island Constellation icon.png
Issue date: 11/01/1982
From: Hukill H
GENERAL PUBLIC UTILITIES CORP.
To: Novak T
Office of Nuclear Reactor Regulation
References
5211-82-259, NUDOCS 8211040241
Download: ML20027D396 (1)


Text

iL GPU Nuclear Corporation G U luclear aufmets s 48 Middletown, Pennsylvania 17057 717 944-7621 TELEX 84-2386 Writer"s Direct Dial Number:

Novmber 1,1982 5211-82-259 Office of Nuclear Reactor Regulation Attn: T. Novak, Assistant Director Division of Licensing U. S. Nuclear Regulatory Commission Washington, D.C. 20555

Dear Sir:

Three Mile Island Nuclear Station, Unit 1 (TMI-1)

Operating License do. DPR-50 Docket No. 50-289 Clad Swell and Rupture Models (App. K)

In response to your letter of July 13, 1982 and in supplement to our response of September 17, 1982 (5211-82-213), GPU Nuclear will submit by March, 1983 maximum allowable LOCA kw/ft limits supported by a supple-mental ECCS analysis that incorporates the NUREG 0630 cladding models.

Discussions with our NSSS vendor indicate that any need for further modifications to the Evaluation Model can be determined at that time.

A schedule for additional modifications will, therefore, be provided af ter completion and evaluation of supplementary calculations, if it is determined that additional permanent changes are necessary.

Sincerely,

1. D. I kill Director, TMI-l HDil:LWil:vj f cc: J. F. Stolz '

R. C. Ilaynes B211040241 021101 PUR ADOCK 05000289 P PDR GPU Nuclear Corporation is a subsidiary of the General Public Utilities Corporation