ML20094D904

Supplemental Rept of Potentially Reportable Deficiency 172 Re Changes to Emergency Feedwater Control Sys Not Supporting Chapter 15 of Fsar.Initially Reported on 840711.Final Rept Will Be Submitted by 840803

ML20094D904
Person / Time
Site:	Waterford
Issue date:	07/25/1984
From:	Gerrets T LOUISIANA POWER & LIGHT CO.
To:	Jay Collins NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
172, W3K84-1707, NUDOCS 8408090029
Download: ML20094D904 (2)

Text

1

+,

d B^

sus $Ivsy$

LOUISIANA P OW E R & LiG H T/Waterford 3 SES/P. O. Box B/Killona, LA 70066 July 25, 1984 W3K84-1707 Q-3-A35.07 Mr. John T. Collins 2@20W2  %

Regional Administrator, Region IV U. S. Nuclear Regulatory Commission JUL 311984 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76012 -

I

REFERENCE:

Telecon R. Gimelli (LP&L) and L. Martin (NRC Region IV) on July 11, 1984

SUBJECT:

Waterford SES Unit No. 3 Docket No. 50-382 Potentially Reportable Deficiency No. 172

" Changes to EFW Control System May Not Support Chapter 15 of FSAR" Supplemental Report At the present time, analyses to confirm the selected Steam Generator Level setpoints for the EFCS are being performed. Preliminary analyses indicate that present Steam Generator level setpoints selected for the EFCS are satisfactory. Combustion Engineering has completed system response analysis and the results of completed final engineering analysis, including instrument inaccuracies, will be available by July 27, 1984, at which time the final safety analyses will be performed.

The Final Report will be provided to the USNRC on August 3,1984.

Very truly yours, M

T. F. Gerrets Corporate Quality Assurance Manager TFG:CNH:SSTG cc: Director Office of Inspection & Enforcement U. S. Nuclear Regulatory Commission Washington, D.C. 20555 8408090029 840725 /

/

[DRADOCK05000 o

. gr.'-

,,, .=.-

Mr.' John T. Collins W$Kb4 10h Page 2

-cc: Director Office of Management

.Information and Program Control U. S. Nuclear Regulatory Commission Washington, D.C. 20555 Mr. E. L. Blake Shaw, Pittman, Potts & Trowbridge 1800 M Street, N.W.

Washington, D.C. 20036 Mr. W. M. Stevenson Monroe & Lemann 1424 Whitney Building

, New Orleans, Louisiana 70130 Records Center Institute of Nuclear Power Operations 1100 Circle 75 Parkway, Suite 1500 Atlanta, Georgia 30339 Mr. W. A. Cross 7910 Woodmont Avenue Suite 1200 Bethesda, Maryland 20814 i

o l

I-i i

-,,--c . . . . ,, ,. . . , , , - .., , . . - ..