ML19339C797

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Responds to TMI Action Plan Item II.K.3.30.Util Involved in C-E Owners Group Preparation of Prediction for Loft Test L3-6 for small-break Loca.Model Changes Would Be Inappropriate Prior to NRC Review of Owners Group Model
ML19339C797
Person / Time
Site: Fort Calhoun Omaha Public Power District icon.png
Issue date: 11/12/1980
From: William Jones
OMAHA PUBLIC POWER DISTRICT
To: Eisenhut D
Office of Nuclear Reactor Regulation
References
TASK-2.K.3.30, TASK-TM NUDOCS 8011190491
Download: ML19339C797 (1)


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. Omaha Public Power District 1623 HARNEY O M A H A, NE5RASKA 68102 TELEPHONE 530-4000 AREA 001403

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.s November 12, 1980

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Mr. Darrell G. Eisenhut, Director U. S. Nuclear Regulatory Comission Office of Nuclear Reactor Regulations Division of Licensing Washington, D.C. 20555 Reference (1): Docket 50-285 (2): Letter, dated July 31, 1980, G. Liebler, C-E Owner's Group, to P. S. Check, U. S. Nuclear Regulatory Commission

Dear Mr. Eisenhut:

, Omaha Public Power District received the Commission's letter dated October 31, 1980, which detailed the criteria and implementation schedule for all TMI related tasks approved.for implementation. For Action Plan Item II.K.3.30, the Commission requested a detailed outline of the scope and schedule to meet the requirement. Accordingly, the District's response is provided below.

The District is participating in the C-E Owner's Group to sponsor prepara-tion of prediction of LOFT Test L3-6. Documentation of the C-E Owner's Group's plans for such test prediction and response to related NRC require-ments is provided in Reference (2).

Because of the importance of these tests in evaluation of the adequacy of present small-break LOCA models, the District feels that it is inappropti _

ate to consider _further model__docum_entation or changes u_ntil_ completion.of the~NRC' review of these test predictibns7Th~erefore, the District will

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continue to participate as a member of'the C-E Owner's Group to support preparation of the predictions of the LOFT Test L3-6.

If the District can be of further assistanca to you in this matter, please contact us directly.

Sincer.ely,

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W.'C. Jones k#

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