ML17285B364
| ML17285B364 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 06/29/1990 |
| From: | Sorensen G WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| GO2-90-116, NUDOCS 9007100170 | |
| Download: ML17285B364 (6) | |
Text
ACCELERATED DIRIBUTION DEMONSTRATION SYSTEM I"~P~I REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:9007100170 DOC.DATE: 90/06/29 NOTARIZED:
-.NO DOCKET FACIL:50-397 WPPSS Nuclear Project, Unit 2, Washington Public Powe 05000397 AUTH.NAME AUTHOR AFFILIATION SORENSEN,G.C.
Washington Public Power Supply System RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)
SUBJECT:
Advises that all equipment.
identified w/ATWS safety functions acceptable from environ qualification standpoint.
DISTRIBUTION CODE: A055D COPIES RECEIVED:LTR j ENCL@SIZE: Ck.TITLE: OR/Licensing Submittal:
Salem ATWS Events GL-83-28 NOTES D RECIPIENT ID CODE/NAME PD5 LA SAMWORTH,R INTERNAL: ACRS NRR/DLPQ/LPEB10 NRR/DST/SICB 7E OC/LFMB REG F25'M, EXTERNAL: LPDR NSIC COPIES LTTR ENCL 1 6 ,1 RECIPIENT ID CODE/NAME PD5 PD NRR/DEST/ESB 8D NRR/DOEA/OGCB11 NRR/DST/SPLB 8D OGC/HDS2 RES/DSIR/EIB NRC PDR COPIES LTTR ENCL D D D)/NOTE TO ALL"RIDS" RECIPIENTS:
D D PLEASE HELP US TO REDUCE WAS%!CONTACT THE DOCUMENT CONTROL DESK, ROOM Pl-37 (EXT.20079)TO ELIMINATE YOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEED!TOTAL NUMBER OF COPIES REQUIRED: LTTR 23 ENCL/N c" r Qc WASHINGTON PUBLIC POWER SUPPLY SYSTEM P.O.Box 968~3000 George Washington Way~Richland, Washington 99352 June 29, 1990 G02-90-116 Docket No.50-397 U.S.Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C.20555 Gentlemen:
Subject:
NUCLEAR PLANT NO.2, OPERATING LICENSE NPF-21 RESOLUTION OF ANTICIPATED TRANSIENTS WITHOUT SCRAM (ATWS)FOR WNP-2
Reference:
Letter, G02-89-231, GC Sorensen (SS)to NRC,"Schedule for Resolu-tion of Anticipated Transients Without Scram'ATWS) for WNP-2", dated December 28, 1989.In the referenced letter, the Supply System indicated that we expected to be able to confirm that the ATWS equipment for WNP-2 satisfies the environmental qualification requirements of the ATWS rule (10 CFR 50.62)by June 29, 1990.The purpose of this letter is to advise the NRC that we have successfully completed this action.The ATWS equipment has been determined to be qualified to normal design environmental conditions followed by an ATWS accident environment by the use of either: a)Materials analysis of ageable components including test reports when available; b)Existing qualification to other accident profiles (LOCA, HELB)that encompass the ATWS profile;or 9007100170 900629 ,PDR ADCCK 05000397 P PDC
Page Two SCHEDULE FOR RESOLUTION OF ANTICIPATED TRANSIENTS WITHOUT SCRAM (ATWS)FOR WNP-2 c)Location in a mild environment that is not affected by the ATWS accident environment.
All equipment identified with an ATWS safety function has been reviewed and found to be acceptable from an environmental qualification standpoint.
Very truly yours, G.C.$rensen, Manager Regulatory Programs HLA/bk Attachments cc: JB Martin-NRC RV NS Reynolds-BCP&R RB Samworth-NRC DL Williams-BPA/399 NRC Site Inspector-901A P Eng-NRC
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