05000528/LER-1995-002-01, Forwards LER 95-002-01,providing Addl Info on Cause, Corrective Actions & Safety Significance of Temp Dependent Shutdown Margin Used in Mode 3 Steam Line Break Analysis Reported in Original Submittal

Forwards LER 95-002-01,providing Addl Info on Cause, Corrective Actions & Safety Significance of Temp Dependent Shutdown Margin Used in Mode 3 Steam Line Break Analysis Reported in Original Submittal

ML17311B153
Person / Time
Site:	Palo Verde
Issue date:	08/25/1995
From:	James M. Levine ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17311B154	List: 05000528/LER-1995-002, :on 950303,identified That Slb Analyses Failed to Consider as Initial Condition One Percent SDM for All Rods in (ARI) Due to Lack of Coordination & Unclear Div of Responsibilities.Ari Core Data Book SDM Curves Modified 05000528/LER-1995-002-01, Forwards LER 95-002-01,providing Addl Info on Cause, Corrective Actions & Safety Significance of Temp Dependent Shutdown Margin Used in Mode 3 Steam Line Break Analysis Reported in Original Submittal
References
192-00944-JML-B, 192-944-JML-B, NUDOCS 9509050102
Download: ML17311B153 (4)

LER-1995-002, Forwards LER 95-002-01,providing Addl Info on Cause, Corrective Actions & Safety Significance of Temp Dependent Shutdown Margin Used in Mode 3 Steam Line Break Analysis Reported in Original Submittal

Event date:
Report date:
5281995002R01 - NRC Website

text

RZORj:Tr l, ACCELERATED RZDS PROCESSZNG)

REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9509050102 DOC.DATE: 95/08/25 NOTARIZED-NO DOCKET FACIL:STN-50-528 Palo Verde Nuclear Station, Unit 1, Arizona Publi 05000528 P

AUTH.NAME AUTHOR AFFILIATION LEVINE,J.M.

Arizona Public Service Co. (formerly Arizona Nuclear Power RECIP.NAME RECIPIENT AFFILIATION R

Document Control Branch (Document Control Desk)

SUBJECT:

Forwards LER 95-002-01,providing addi info on cause,

corrective actions

& safety significance of temp dependent shutdoen margin used in Mode 3 steam line break analysis reported in orginial submittal.

DISTRIBUTION CODE:

IE22T COPIES RECEIVED:LTR ENCL j SIZE: (8 TITLE: 50.73/50.9 Licensee Event Report (LER),

ncident Rpt, etc.

NOTES:STANDARDIZED PLANT 05000528 0

R RECIPIENT ID CODE/NAME PD4-2 PD TRAN,L INTERNAL: ACRS AEOD/SPD/RRAB NRR/DE/ECGB NRR/DE/EMEB NRR/DRCH/HHFB NRR/DRCH/HOLB NRR/DSSA/SPLB NRR/DSSA/SRXB RGN4 FILE 01 EXTERNAL: L ST LOBBY WARD NOAC MURPHY,G.A NRC PDR COPIES LTTR ENCL 1

1 1

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RECIPIENT ID CODE/NAME HOLIAN, B AEO B

ILE CENTER D~EELB NRR/DISP/PIPB NRR/DRCH/HICB NRR/DRPM/PECB NRR/DS SA/S PS B/B RES/DSIR/EIB LITCO BRYCE,J H

NOAC POORE,W.

NUDOCS FULL TXT COPIES LTTR ENCL 1

1 2

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NOTE TO ALL "RZDS" RECZPZENTS:

PLEASE HELP US TO REDUCE WASTE!

CONTACT THE DOCUMENT CONTROL

DESK, ROOM OWFN 5D8 (415-2083)

TO ELZMZNATE YOUR NAME FROM DZSTRZBUTZON LZSTS FOR DOCUMENTS YOU,DON'T NEED!

FULL TEXT CONVERSION REQUIRED TOTAL NUMBER OF COPIES REQUIRED:

LTTR 28 ENCL 28

II f.

JAMES M. LEVINE VICE PRESIDENT NUCLEAR PRODUCTIDN Arizona Public Serv'ice Company PALO VERDE NUCLEAR GENERATING STATION P.O. BOX 52034

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PHOENIX. ARIZONA85072-2034 192-.00944-JML/BAG/BE August 25, 1995 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station P1-37 Washington, DC 20555-0001

Dear Sirs:

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Units 1, 2, and 3 Docket Nos. STN 50-528, 50-529, 50-530 License Nos. NPF41, NPF-51, NPF-74 Licensee Event Report 95-002-01 Attached please find supplement 1 to Licensee Event Report (LER)95-002 prepared and submitted pursuant to 10CFR50.73.

This supplement provides additional information on the cause, corrective

actions, and

safety significance

of the temperature.

dependent shutdown margin used in the Mode 3 Steam Line Break analysis reported in the original submittal.

In accordance with 10CFR50.73(d), a copy of this LER is being forwarded to the Regional Administrator, NRC Region IV.

If you have any questions, please contact Burton A. Grabo, Section L'eader, Nuclear Regulatory Affairs, at (602) 393~92.

Sincerely, JML/BAG/BE/pv Attachment (all with attachment) cc:

L. J. Callan IC E. Perkins K E. Johnston INPO Records Center yQ(;t 9509050102 950825 PDR ADOCK 05000528 PDR

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