ML17284A710

Forwards LER 98-006-01,discussing Results of Root Cause Analysis & Addl Corrective Actions Taken to Rectify Deficiencies in Wnp,Unit 2,10CFR50,App R High Impedance Fault Calculations

ML17284A710
Person / Time
Site:	Columbia
Issue date:	07/23/1998
From:	Bemis P WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML17284A711	List: ML17284A710 ML17284A712
References
GO2-98-133, NUDOCS 9808030029
Download: ML17284A710 (3)

Text

CATEGORY 1 REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9808030029 DOC.DATE- 98/07/23 NOTARIZED: NO DOCKET FACIL:50-397 WPPSS Nuclear Project, Unit 2, Washington Public Powe 05000397 AUTH. NAME AUTHOR AFFILIATION BEMIS,P.R, Washington Public Power Supply System RECIP. NAME 'ECIPIENT AFFILIATION Records Management Branch (Document Control Desk)

SUBJECT:

Forwards LER 98-006-01,discussing results of root cause analysis & addi corrective actions taken to rectifiy deficiencies in WNP,Unit 2,10CRF,App R high impedance fault calculations.

DISTRIBUTION CODE: IE22T COPIES RECEIVED:LTR i ENCL i SIZE: t 4 TITLE: 50.73/50.9 Licensee Event Report (LER), Incident Rpt, etc.

NOTES:

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL. ID CODE/NAME LTTR ENCL 0

PD4-2 PD 1 1 POSLUSNY,C 1 1 INTERNAL: ACRS 1 1 AEO D/RAB R 2 2 AEOD/S PD/RRAB 1 1 1 1 NRR/DE/ECGB 1 1 NRR/DE/EELB 1 1 NRR/DE/EMEB 1 1 NRR/DRCH/HICB 1 1 NRR/DRCH/HOHB 1 1 NRR/DRCH/HQMB 1 1 NRR/DRPM/PECB 1 1 NRR/DSSA/SPLB 1 1 RES/DET/EIB 1 1 RGN4 FILE 01 1 1 EXTERNAL: L ST LOBBY WARD 1 1 LITCO BRYCE,J H 1 1 NOAC POORE,W. 1 1 D

NOAC QUEENER,DS 1 1 NRC PDR 1 1 NUDOCS FULL TXT 1 1 0 N

NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE. TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD) ON EXTENSION 415-2083 FULL TEXT CONVERSION REQUIRED TOTAL NUMBER OF COPIES REQUIRED: LTTR 23 ENCL 23

WASHINGTON PUBLIC POWER SUPPLY SYSTEM P.O. Box 968 ~ Richlnutl, IVashittgtow 99352-0968 July 23, 1998 G02-98-133 Docket No. 50-397 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 Gentlemen:

Subject:

'NP-2, OPERATING LICENSE NPF-21 LICENSEE EVENT REPORT NO. 98-006-01 Transmitted herewith is Licensee Event Report No. 98-006-01 for WNP-2. This supplemental report discusses the results of the root cause analysis and additional corrective actions taken to rectify deficiencies in the WNP-2 10 CFR 50 Appendix R high impedance fault calculations. This report is submitted pursuant to 10 CFR 50.73 and discusses the items of reportability, corrective action taken, and action to preclude recurrence.

Should you have any questions or desire additional information pertaining to this letter, please call me or Mr. P. J. Inserra at (509) 377-4147.

Respectfully,

/R. B is Mice P sident, Nuclear perations Mail Drop PE23 Attachment EW MerschofF- NRC RIV NRC Senior Resident Inspector - MD927N (2)

DF Kirsch - NRC, WCFO DL Williams - BPA, 1399 C Poslusny, Jr. - NRR PD Robinson - Winston &, Strawn INPO Records Center - Atlanta, GA 9808030029 980723 PDR ADQCK 05000397 8 PDR

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