ML20140A547

Forwards Proprietary LOCA Calculations for Upper-Head Injection Plants, Ltr Rept,Describing Results of TRAC-PF1/MOD1 Calculations for upper-head Injection Project 2 of FIN A-1803.Rept Withheld (Ref 10CFR2.790)

ML20140A547
Person / Time
Site:	McGuire, Mcguire
Issue date:	01/29/1986
From:	Dobranich D SANDIA NATIONAL LABORATORIES
To:	Watt J Office of Nuclear Reactor Regulation
Shared Package
ML19276D358	List: ML20140A526 ML20140A539 ML20140A547 NRC-86-3112, Forwards Results of Bart Evaluation Model Large Break LOCA 10CFR50.46 Analysis,Demonstrating Acceptability of upper-head Injection Removal in Support of License Amend. Info Re Sys Behavior W/ & W/O upper-head Injection Encl
References
CON-FIN-A-1803 NUDOCS 8603200310
Download: ML20140A547 (1)

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January 29,1986 Dr. James J. Watt Reactor. Systems Branch Division of PWR Licensing-A, PWR Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, DC 2D555

Dear Jim,

Enclosed is a latter report describing the results of our TRAC-PFIMODI calculations for the UH1 project (Project 2, Tasks 1 and 2 of FIN Number A-1803).

The work proposal for these tasks specifles that this letter report include the following, listed as items a,b,c, and d. (a) Discussion of comments and suggestions from third parties such as UHI licensees and Westinghouse. The only suggestions from such third parties were in response to our questions concerning boundary and Initial conditions. The conditions provided to us are given in this letter report in the section entitled " Initial and Steady State Conditionc." (b) Development of TRAC-PFIMODI input model. This is discussed in the section entitled "UH1 Input Model Description." (c) Discussion of calculation results. This discussion is included in the section entitled " Transient Calculation Results." (d) Discussion of parameters that might affect results. This is covered in the section entitled " Comments and Conclusions." Some aspects of these items were also discussed in earlier letter reports and in' the monthly status reports. Please contact ma if you have any questions or comments.

Note that the attached information contains data that is proprietary to Westinghouse and should be treated accordingly.

Sincerely, Dm DM Dean Dobranich Thermal / Hydraulic Analysis Division 6444 Enclosure Copy to:

D. Langford, NRC L. D. Buxton, SNL/6444 8603200310 860318 DR ADOCK 05000369 PDR

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