ML17284A574

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Responds to Generic Ltr 88-11, Radiation Embrittlement of Reactor Vessel Matls. Evaluation of Reactor Vessel Matls, Per Reg Guide 1.99,Rev 2 Underway.Pressure/Temp Curves Will Be Revised
ML17284A574
Person / Time
Site: Columbia Energy Northwest icon.png
Issue date: 10/19/1988
From: SORENSEN G C
WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
RTR-REGGD-01.099, RTR-REGGD-1.099 GL-88-11, GO2-88-217, NUDOCS 8810270432
Download: ML17284A574 (4)


Text

AG'CELEMTZD

=D RIBUTION DEMONS'1 RATION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)ACCESSION NBR:8810270432 DOC.DATE: 88/10/19 NOTARIZED:

NO FACIL:50-397 WPPSS Nuclear Project, Unit 2, Washington Public Powe AUTH.NAME AUTHOR AFFILIATION SORENSEN,G.C.

Washington Public Power Supply System RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT:

Responds to Generic Ltr 88-11,"Radiation Embrittlement of Reactor Vessel Matls," Reg Guide 1.99,Rev 2.DISTRIBUTION CODE: A008D COPIES RECEIVED:LTR j ENCLO SIZE: TITLE: OR/Licensing Submittal:

Reactor Vessel Material Surveillance NOTES: DOCKET 05000397 R Report D RECI,P,IENT ID" CODE/NAME PD5 LA SAMWORTH,R INTERNAL: ACRS NRR/DEST/ADS 7E NRR/DEST/ESB 8D NRR/DEST/RSB 8E NRR/PMAS/I LRB12 OGC/HDS2 RES/DS IR/E I B EXTERNAL'PDR NSIC (COPI~ES~LTTR I'ENCL 6.1 1 1 1 1 1 1 1 1RECIPIENT.,"~,COPIES>'1,>)-,;,~'-'ID CODE/NAME'LTTR'ENCL'PD5 PD ARM/DAF/LFMB NRR/DEST/CEB 8H NRR/DEST/MTB 9H NRR/DOEA/TSB 11-ABSTRACT 01 RES/MEB NRC PDR ORNL KAM,F A 9 8 NaTE IO ALL"RIDS" R1XXPIENTS:

PIZASE HELP US 10 REMJCE HASTE!<XACE'IHE DOCUMEÃZ CXÃIROL DESK RCCM P1-37 (EXT.20079)TO EIZIMINATF YOUR NME FROM DISTRIKlTIQN LISTS H)R DOCUMENTS YOU DGNiT NEED)/A TOTAL NUMBER OF COPIES REQUIRED: LTTR 30 ENCL

WASHINGTON PUBLIC POWER SUPPLY SYSTEM P.O.Box 968~3000 George Washington Way~Richland, Washington 99352 G02-88-217 October 19, 1988 SSi0270432 SS1019 PDR ADOCK 05000397 P PDC Docket 50-397 U.S.Nuclear Regulatory Commission Attn: Document Control Desk Mail Station Pl-137 Washington, D.C.20555

Subject:

NUCLEAR PLANT NO.2 RESPONSE TO GENERIC LETTER 88-11, RADIATION EMBRITTLEMENT OF REACTOR VESSEL MATERIALS, REGULATORY GUIDE 1.99, REVISION 2 As directed by the subject generic letter, the Supply System is in the process of evaluating the WNP-2 reactor vessel materials per Regulatory Guide 1.99, Rev.2 and will be revising the WNP-2 pressure/temperature curves.When completed this evaluation will be used to support a technical specification change scheduled for submittal October 1989.With WNP-2 being relatively"young" the impact of radiation embrittlement is minimal and a submittal on the above schedule remains conservative.

This response satisfies the 180 day submittal requested by the generic letter.Very truly yours,~~B~+J G.C.Sorensen, Manager Regulatory Programs PLP:lw cc: JB Hartin-NRC RV NR Reynolds-BCPER RB Samworth-NRC DL Williams-BPA/399 NRC Site Inspector-901A V j++e I