ML19332F278

Forwards Rev 1 to YAEC-1693, Application of One-Dimensional Kenetics to BWR Transient Analysis Methods, Per 891106 Ltr.Rept Presents Methodology,Verification & Justification for Application of RETRAN-02 One Dimensional Option

ML19332F278
Person / Time
Site:	Vermont Yankee
Issue date:	11/30/1989
From:	Stephen Schultz YANKEE ATOMIC ELECTRIC CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML19332F279	List: ML19332F278 ML19332F283
References
BVY-89-111, DCC-89-055, DCC-89-55, NUDOCS 8912140211
Download: ML19332F278 (2)

Text

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k? YANKEEATOMICELECTRIC CObfPANY.

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November 30,.1989

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fDocument Control Desk

.L Washington, DC 20555

References:

(a) License.No.-DPR-28 (Docket No. 50-271) '

-(b) Letter, VYNPC to USNRC, BVY 89-60, dr.ted Juni 30, 1989 with Topical Reports YAEC-1693 and YAEC-1694

, (c) Letter, YAEC to USNRC, BVY 89-102=and DCC 89-049, dated November 6, 1989 Subjects. Submittal of " Application of One-Dimensional Kinet.ics to Boiling Water Reactor Transient Analysis Methods" Report i L

Dear Sir:

In accordance with Reference (c), Yankee Atomic Electric Company submits the subject report which is a revised version of the report submittad with ,

I Reference (b). In Reference (c) .we modified our request for review and approval of the Vermont Yankee One-Dimensional (1-D) kinetics topical reports f.YAEC-1693 and YAEC-1694) to incorporate a generic topical review and approval._:The enclosed. minor administrative changes to this report should K' permit'your generic' review and approval of our 1-D kinetics methods to be

-finalized.

The report, " Application of One-Dimensional Kinetics to Boiling Water Reactor Transient Analysis Methods," YAEC-1693'(enclosed with Reference (b)),

presents the methodology, verification, and just ification for. application of RETRAN-02'l-D kinetics option to the prerently approved transient analysis

methods.- - The report documents the method for analyzing boiling ws '.Ar reector transients with RETRAN-02 with the 1-D kinetics option using Vertrvat 'fenkee results to verify the methods.' The minor administrative' changes to the report

-which properly identify the generic applical. ion of-the methods occur in the Title Page, the Abstract (Page iv), Section 1.0 (Introduction, Page 1),

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Section 2.0.(Description or Current Licensing Method,'Pages 2 and 31,

Section 3.0~(Description of the Application of One-Dimensional Kinetics,

, ,Pages 7.through 9), Section 4.0 (Verification of One-Dimensional Kinetics N . Application, Pages 15 through 21), Section 5.0 (Licensing Approach and

. Treatment of Uncertainties, Pages 36, 38, and 39), Section 6.0 (Conclusions,

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Pages 40 and 41), and Appendix A (Determination of ACPR95 Through a Response Surface. Appe , ":h, Page A-1) .

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United Statss Nuclear Regulatory Commission November 30, 1989

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. The report, " Method for Generation of One-Dimensional Kinetics Data for RETRAN-02 " YAEC-1694.(also enclosed with Reference (b)), does not require-Q reviolon for generic application because it is already presented in the-terminology of a generic topical report..

We trust that this information supports our request; however, should you have any questions on this matter, please contact us.

L Very truly yours,

, YANKEE ATOMIC ELECTRIC COMPANY E4/

Stephen P. Schultz Vice President

-SPS/gj t/0939u Enclosure cc: USNRC Region I Administrator USNRC Resident Inspector, VYNPS USNRC Project Manager VYNPC lJ 1

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