ML17299A631

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Discusses Methodology of Large Break LOCA Analysis,Per 850829 Meeting.Analysis Will Be Submitted on 851004 for Review & Approval
ML17299A631
Person / Time
Site: Palo Verde  
Issue date: 09/27/1985
From: Van Brunt E
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To: Knighton G
Office of Nuclear Reactor Regulation
References
ANPP-33583-EEVB, NUDOCS 8510010124
Download: ML17299A631 (6)


Text

REGULAT INFORMATION DISTRIBUTION STEM (RIDS)

ACCESSION NBR ~ 851 00 1 0124, DOC ~ DATE! 85/09/?7

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NOTARIZED NO DOCKE'T'ACIL'ISTN 50 528 Palo Ve'rde Nuclear Station-i Unit li Ar)zona Publi 05000528 STN. 50~529'al o. Ve'r de Nuc 1 ear Stat i one Uni t 2g Ar,izona Pub 1 i 05000529 STN 50, 530 Palo Verde Nuclear Stationi Unit 3i Arizona Publi 05000530 AUTH',NAME AUTHOR'FFILIATION VAN BRUNTiE',E; Ar i zona Nuclear Power Project (for mer ly Arizona Publ ic Serv REC IP i NAME<

RECIP'IENT'FF ILIATION KNIGHTONgG ~ W ~

Liicensing. Branch 3

SUBJECT:

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Arizona Nuclear Power Project P.o. BOX 52034

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PHOENIX, ARIZONA85072-2034 Director of Nuclear Reactor Regulation Attention:

Mr. George W. Knighton, Chief Licensing Branch No.

3 Division of Licensing U.S. Nuclear Regulatory Commission Washington, D. C.

20555 September 27, 1985 ANPP-33583-EEVB/KLM Subject

Palo Verde Nuclear Generati'ng Station (PVNGS)

Units 1, 2, and 3

Docket Nos.

STN-50-528 (License No. NPF-41)/529/530 Large Break LOCA Evaluation Model File:

85-056-026 G.l.01.10

Reference:

Letter from G.

W. Knighton, NRC, to E. E.

Van Brunt, Jr.,

ANPP, dated August 30, 1985;

Subject:

Large Break LOCA Evaluation Model Palo Verde Units 2 and 3

Dear Mr. Knighton:

In a meeting with members of your "staff'eld'n August 29, 1985, ANPP discussed a method of demonstrating compliance to 10CFR 50.46.

The proposed method discussed is as follows:

ANPP will perform PVNGS specific limiting Large Break LOCA (LBLOCA) analysis using:

a) the current, approved CE evaluation model (EM) b)

the limiting (conservative) axial shape for PVNGS c)

PVNGS specific containment design

, Brian Sheron and Norm Lauben, of your staff, indicated that this analysis approach would be acceptable in demonstrating compliance to 10CFR 50;46.

The schedule for submittal of this reanalysis was also discussed.

ANPP informed the staff that the reanalysis would not be submitted 45 days prior to the PVNGS Unit 2 projected fuel load date due to the schedule CE provided ANPP on completion of the analysis.

Therefore, ANPP will submit the PVNGS specific limiting LBLOCA analysis to the staff for review and approval by October 4, 1985.

85fOOiOi24 850924 PDR ADOCK 05000528 P

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G. W, Knighton Large Break LOCA Evalua Model ANPP-33583 1 age 2

If you should have any questions concerning this matter, contact Mr. W. F. Quinn of my staff.

Very truly yours, E. E.

Van Brunt, Jr.

Executive Vice President Project Director EEVB/KLM/slh cc:

E. A. Licitra R. P.

Zimmerman A. C. Gehr

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