ML17305A602

Forwards CENPD-279,Supp 1, Annual Rept on C-E ECCS Codes & Methods for 10CFR50.46.

ML17305A602
Person / Time
Site:	Palo Verde
Issue date:	03/13/1990
From:	Conway W ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17305A604	List: ML17305A602 ML17305A605
References
161-02974-WFC-A, 161-2974-WFC-A, NUDOCS 9003260573
Download: ML17305A602 (4)

Text

. ACCELERATED D T$ 'JBUTION DEMONSTIMTION SYSTEM I

REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9003260573 DOC.DATE: 90/03/13 NOTARIZED: NO DOCKET PJ FACIL:STN-50-528 Palo Verde Nuclear Station, Unit 1, Arizona Publi 05000528 STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi 05000529 STN-50-530 Palo Verde Nuclear Station, Unit, 3, Arizona Publi

05000530

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AUTH. NAME AUTHOR AFFILIATION CONWAY,W.F. Arizona Public Service Co. (formerly Arizona Nuclear Power '

RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT:

Forwards CENPD-279,Supp 1, "Annual Rept on C-E ECCS Codes Methods for 10CFR50.46."

DISTRIBUTION CODE: A001D COPIES RECEIVED:LTR ENCL SIZE: gi5 s TITLE: OR Submittal: General Distribution  ;/

NOTES: 05000528 Standardized plant.. 05000529 'A Standardized plant. 050'00530 D,

RECIPIENT RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD5 LA 1 1 PD5 PD 1 1 PETERSON,S. 5 5 INTERNAL: ACRS NRR/DET/ECMB 9H 1 '. 1 NRR/DOEA/OTSB11 1 1 NRR/DST 8E2 1 NOTES'OPIES NRR/DST/SELB 8D NRR/DST/SRXB 8E OC 1

1 1

1 1

0 NRR/DST/SICB 7E NUDOCS-ABSTRACT OGC/HDS1 1

1 1

1 1

0 LE 01 1 1 RES/DSIR/EIB , 1 1 EXTERNAL: LPDR 1 1 NRC PDR 1 1 NSIC 1 1 1 1 R NOTE TO ALL "RIDS" RECIPIENTS:

8, PLEASE HELP US TO REDUCE WASTEI CONTACT THE. DOCUMENT CONTROL DESK, ROOM PI-37 (EXT. 20079) TO ELIMINATEYOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEEDl TOTAL NUMBER OF COPIES REQUIRED: LTTR 28 ENCL 26

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Arizona Public Service Company P.O. BOX 53999 ~ PHOENIX. ARIZONA85072-3999 WILLIAMF. CONWAY EXECUTIVEVICEPRESIDENT NUCLEAR 161-02974-tItFC/ACR/KLMC March 13, 1990 Docket Nos. STN 50-528/529/530 Document Control Desk U. S. Nuclear Regulatory Commission Station Pl-37 'ail Washington, D. C. 20555

Dear Sirs:

Subj ect: Palo Verde Nuclear Generating Station (PVNGS)

Units 1, 2 and 3 10 CFR 50.46 Annual Report on CE ECCS Codes and Methods CENPD-279, Supplement 1 File: 90-056-026 Pu'rsuant to 10 CFR 50.46, enclosed is the PVNGS Annual Report which describes the changes and errors in the Combustion Engineering (CE) codes and analysis methodology for Emergency Core Cooling System (ECCS) analysis from the last approved version through the end of 1989.

In summary, for this reporting period, one computer code had reportable changes or errors. The corrections and changes made to this code reduced the peak cladding temperature by less than l~ F.

If you should have any questions regarding this report, contact Mr. A. C. Rogers at (602) 340-4041.

Sincerely, 9003260573 900313 l PDR ADOCK 05000528 P vnr.

WFC/ACR/KLMC Enclosure cc: T. L. Chan (All w/Enclosure)

S. R. Peterson J. B. Martin D. H. Coe oo

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