ML19326E067
| ML19326E067 | |
| Person / Time | |
|---|---|
| Site: | Washington Public Power Supply System |
| Issue date: | 07/22/1980 |
| From: | Renberger D WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML19326E068 | List: |
| References | |
| GO1-80-206, NUDOCS 8007250544 | |
| Download: ML19326E067 (2) | |
Text
'
O W
PP Washington Public Power Supply System A JOINT OPERATING AGENCY S
P. O. Bo a 9 6 8 3000 Gao. WasM6MGTON W A Y RICML AND. W ASHINGTON 99352 PMoNr (509) 375 5000 Docket Nos:
50-460 iluly 22,1980 50-513 G01-80-206 Mr. ilarold R. Denton, Director Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D. C.
20555
Dear Mr. Denton:
Subject:
WPPSS Nuclear Projects Nos. '. 3 4 Loss of Feedwater Evaluation
Reference:
Letter, D. L. Renberger, WPPSS to H. R. Denton, NRC,
" Loss of fiain Feedwater Evaluation," January 24, 1980.
In the reference, the Supply System committed to submit to the staff an evaluation of a loss of main feedwater event for WNP-1/4.
This evalu-ation is attached.
The evaluation concludes that the WNP-1/4 plant syste'as are well designed.
During the course of conducting the evaluation, the need to change the nomal and failure positions of somn valves in the auxiliary Sedwater system to further inpreve the systen reliability was identified.
These changes tre reflec+ed in the evaluat;on and are being implemented.
No other edditional c-nges have teen identified.
ury truly yours, P I b tt c
e L. Renberger
'asistant Director - Technology C!P:AGP:ce At tachmnt cc:
A. Bournia,.UC T. Novak, NRC N. 5. Reynolds, D&L R' Sernero, Nur THIS DOCUMENT CONTAINS,
F. d. I:owsome, NRC POOR QUAllTY PAGES 2
80072505e(4
Docket Nos:
50-460 o
50-513
- ~
3-Loss of.Feedwater Evaluation STATE OF WASHINGTON))'ss COUNTY 0F BENTON
)
D. L.~ RENBERGER, Being first duly sworn, deposes and says: That he is'the Assistant Director, Technology, for the WASHINGTON PUBLIC POWER SUPPLY
- SYSTEM, the appliccat herein; that he is authorized to submit the fore--
going on behalf c' aid applicant; that he has read the foregoing and knows_th'e contents thereof; and believes the same to be true.to the best of his knowledge.
DATED O'u // M
,1980 cbN bt k o D. L. RENBERGER i
On this day personally appeared before me D. L. RENBERGER to me known to be the individual who executed the foregoing instrument and acknowledged that he signed the same as his free act and deed for the uses and purposes ~
therein mentioned.
GIVEN under my hand and seal-this ##
day,of
,1980 Vf
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Nottry Public in an( for the State
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Residing at M<n./sfwd~
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