ML19308B754
| ML19308B754 | |
| Person / Time | |
|---|---|
| Site: | Crane, Davis Besse  |
| Issue date: | 09/18/1978 |
| From: | Domeck C TOLEDO EDISON CO. |
| To: | Lazar A BABCOCK & WILCOX CO. |
| References | |
| TASK-TF, TASK-TMR NUDOCS 8001160940 | |
| Download: ML19308B754 (2) | |
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TOLECO EDISON TELECOPY September 18, 1978 Pile:
0274, M-507 Babcock & Wilcox Company P. O. Box 1260 TBW495
!.ynchburg, Virginia 24505 i
Attention:
Mr. A. H. Lazar Senf.or Project Manager t
Subject:
Davis-Besse Nuclear Power Station Unit 1 Pressurizar Performance During Reactor Trips
Dear A1:
This is in reference to your letter on this subject, SWT-1698 dated Sept. ember 8, 1978. As indicated to your Mr. R. C. Luken and Mr. R. W.
Vinks in a telephone conversation on September 14, 1978, Table 2 in the attachment to the above letter needs to be revised to account for the
, presence of makeup flow. ! Attached is the data on when'the makeup pumps.-
were started.
I request that you provide this information not later than October 2, 1978.
I Please contact me if you have any questions or comments.
Yours very truly,
_1 lL s l
_h[dil]M rles R. Domeck lMj k'
Nuclear 'roject Engineer U3H
^
Power Engineering and Construction CRD:SCJ Attachment t
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E. C. Novak' J. D. Lanardson R. E. 51anchong I
M. Malcom k[/
T. D. Murray 80 01 160 /T t.. c. noe 164r TOLEDO ED1 SON COMPANY f ut';ON Pt A.'A 300 MADISON aVENUF 70LFOO. P*n CN
Attaclunent Data on when the Makeup Pur:ps were started af ter the reactor trip.
Date
- 2-24-78 r,
Reactor Trip 5:51:12 5:SI! O G W* '
EC Makeup Pump-2 On 5:51:37 Date 4-2-78 Reactor Trip
- 8:30:12 115ed s RC Makeup Pump-2 On
- 8:30:34 Data 8-2-78 Reactor Trip 9:50:43 l
RC Makeup Pump-2 On 9-50-57 Note:
1.
RC Makeup Pump 1 1s always on.
2.
Makeup flow control valve (NU 32) can be considered to be
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vide open following a reactor trip.
be a/11 l
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