ML20091C626

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Forwards Nonproprietary Copyrighted WCAP-13028 & Proprietary WCAP-13027, Westinghouse ECCS Evaluation Model for Analysis of C-E Nsss. Westinghouse 910730 Request That Proprietary Version Be Withheld (Ref 10CFR2.790) Encl
ML20091C626
Person / Time
Site: Fort Calhoun Omaha Public Power District icon.png
Issue date: 07/31/1991
From: Gates W
OMAHA PUBLIC POWER DISTRICT
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML19302E976 List:
References
LIC-91-198R, NUDOCS 9108070029
Download: ML20091C626 (2)


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Omaha Public Power District 444 South 16th Street Mall Omaha, Nebraska 68102 2247 402/636 2000 July 31, 1991 LIC 91-;98R U. S. Nuclear Regulatory Commission Attn: Documert Control Desk i Mail Station Pl-137 i Washington, DC 20555

References:

1. Docket No. 50-285
2. Letter from OPPD (W. G, Gates) to NRC (Document Control '

l Desk) dated April 19, 1991 (LIC-91-0126R)

3. Letter from 0 PPD (W. G. Gates) to NRC (Document Control Desk) cated July 26, 1991 (LIC-91-140R)

Gentlemen:

SUBJECT:

Westinghouse LOCA/ECCS Methodology Topical Reports and Control Element Assembly Ejection Analysis Report for fort'Calhoun Station Omaha Puolic Power District (0 PPD) is enclosir,g twenty-three (23) copies each

-of the proprietary (WCAP-13027) and nonproprietary (WCAP-13028) versions of the lopical Report titled " Westinghouse ECCS Evaluation Model for AnSysis of CE-NSSS," dated July 1991. Pursuant to 10 CFR 2.790, Westinghouse-has determined that Topical Report WCAP-13027 contains proprietary information to be withheld from public disclosure and has provided the enclosed documentation justifying this determination, i

! Also enclosed is a report ti!. led " Fort Calhoun Unit 1 Control Element Assembly Ejection Analysis Report." OPPD committed to provide these reports in items 1

-and 3 of Reference 2. As Mr. T. G. Therkildsen (OPPD) indicated to Mr. W. C. Walker (NRL Project Manager) in a telephone conversation on July 30, 1991, OPPD discovcred input errors in the Cycle 14 Small/Large. Break LOCA Analysis (item 2 of Reference 2) and must delay submittal of that report until September 1991.

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U. ' S.L Nuclear Regulatory Commission LIC 91-198R Page 2 If you should have any questions, please contact me .

Sincerely, W. G. Catesje Division Mafiager Nuclear Operations WGG/sel Enclosures c: LeBoeuf, Lamb, Leiby &'MacRae (w/o Enclosures)

R. D. Martin, NRC Regional Administrator, Region IV (w/o Enclosures)

W. C. Walker, NRC Project Manager (w/o Enclosures) ,

R. P. Mullikin, NRC Senior Resident inspector (w/o Enclosures) '

H.- Borchert, Director - Division of Radiological Health, Nebraska Department of Health (w/o Enclosures) l

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