ML20141L977

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Forwards CENPD-279,Suppl 8,dtd Feb 1997 Which Documents Annual Evaluation.During 1996,there Were No Changes or Errors Identified in C-E ECCS Performance Evaluation Models Used for LOCA Analysis
ML20141L977
Person / Time
Site: Waterford Entergy icon.png
Issue date: 05/29/1997
From: Ewing E
ENTERGY OPERATIONS, INC.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20141L978 List:
References
W3F1-97-0138, W3F1-97-138, NUDOCS 9706030286
Download: ML20141L977 (2)


Text

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l O Ent gy per1tions, Inc. I

  • Killona, LA 70066 Tel 504 739 6242 l Early C. Ewing, Ill l Director t ac ear Safety & Regulatory Attarrs W3F1-97-0138 I A4.05 l PR l

l l May 29,1997 1

! U.S. Nuclear Regulatory Commission l

ATTN: Document Control Desk l Washington, D.C. 20555 i

Subject:

Waterford 3 SES Docket No. 50-382 License No. NPF-38  !

! Annual Report on CE ECCS Codes and j Methods for 10CFR50.46

! l

) Gentlemen:

l During 1996, there were no changes or errors identified in the ABB Combustion

! Engineering Emergency Core Cooling System (ECCS) performance evaluation models used for Loss-of-Coolant Accident (LOCA) analysis. The sum of the absolute magnitude of the peak cladding temperature (PCT) changes for the large break LOCA from all reports to date continues to be less than 1 F. No change l occurred in the PCT for small break LOCA or post-LOCA long term cooling. /

The results of the annual evaluation, as required by 10CFR50.46, are documented

/

in the attached copy of CENPD-279, Supplement 8, dated February 1997.

l l i)q 9706030286 DR 970529 l ADOCK 050003G2 '

PDR 030014 lllllllllll.llll.llll.lll.llll.illll.ll  !

i

i An'nual Report on CE ECCS Codes and Methods for 10CFR50.46 W3F1-97-0138 Page 2 May 29,1997 If you have any questions regarding this report, please contact Roy Prados at (504) 739-6632.

Very truly yours, l

\

E.C. Ewing Director Nuclear Safety & Regulatory Affairs i ECE/RWP/tmm Attachment cc: E.W. Merschoff (NRC Region IV), C.P. Patel (NRC-NRR),

J. Smith, N.S. Reynolds, NRC Resident inspectors Office )

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