ML19322C304
| ML19322C304 | |
| Person / Time | |
|---|---|
| Site: | Crane, Davis Besse  |
| Issue date: | 11/29/1978 |
| From: | Faist F BABCOCK & WILCOX CO. |
| To: | Murray T TOLEDO EDISON CO. |
| References | |
| TASK-TF, TASK-TMR NUDOCS 8001160827 | |
| Download: ML19322C304 (2) | |
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4 Babcock &Wilcox eme cen.rauen crcuc P.O. Bex 1250. Lynencurg. Va. 24505 Tefepnone: (804) 384-5111 Nove=ber 29, 1978 SOM ih2h 620-001h 12321 T3.3.1 i
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1231h D? 1101.01 SIP #1k/ 323, Rev. 01 Mr. T. D. Murray, Station Superintendent Davis-Besse Nuclear Power Station 5501 North State Route #2 Oak Harbor, Chic k3hh9
Subject:
Control of Stee= Generator ~4ater Level Following SFRCS Actuatics i
Dear Ter f:
The auto essential =cde of ccatrol fc "
C&e 's desigced to au c=atics117 ccatrol stea= generator water level at 120 inches (o6 inches indicated c the sts.rtup range level instru=entatic=) fc11cring as SF203 actuatics.
s Adl,ustments to this level setpoint and the design interface between the SFRCS and SFAS is :urren:1/ under evalus.:ica.
C::11 dese changes have been permanently =ade, the interi= cperating instre.cticas given c the attach---
=ent should be inecrporated into the apprcpriate Is tis-3 esse Unit I pro-cedures.
These interi= cperating instructicas vill pe =i Davis-Besse thit I to ec:-
tinue power operatic.
If you have any questiens, please advise.
Yours tre.17,,
/.-
/
GM Fred E. Tais:
(Acting) Site Operatic s Manager
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ene1.
cc:
'J. E. Spangler J. G. Ivans, 2 00 R. C. Luke:
S. M. De::ce, 200 R. L. Pittna:
J. D. Lencrd:::, 20 D. A. Lee R. I. 31ancheng, 3Co J. S. Grant, S Co J. C. Such, 3 0c
- 3. R. 3 eyer, 500 L. 3. Cartin I. C. Nevak, 2 0o E.
- 4. Svansc= '
60 0 C. R. Domeek, TIOo 80 011 The Babcock & Wi!cox Comcany / Estantstec IS57
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s..:clM OPERAT! iG I'IS~EUC"'IO:iS
%R C0!C30L OF S"TJJ1 GE:iERATOR ~5EL MLLOWI:;G SFECS A0"'*JA'"!Oli AT A!iY POWE3 D':~*
CASE 1:
For any SFRCS actuation without ESFAS e.ctuatics of the EPI Syste=, the operator shall:
lionitor pressurizer level and take preventative action (secure let-a.
down and =anually start the second =akeup pt. p) if required :
=ain-tain indicated pressurizer level, b.
Ensure by casual centrol of the auxiliary feeteater syste=, mainten-ance of steam generator level at 35 inches (indicated) on tha startup range instru=entation.
CASE 2:
For any SFRCS a:tuatien folleved by ESFAS' actuation of the EFI Syste=,
the operator shall:
Place the S??CS in the auto essential =ede if centrol of an.xiliary a.
feeteater is in =snual prier to EFI Syste= initiatien by ESFAS.
b.
Ibnitor stea generater level to ensure aute=atic control at 120 (96 inches indicated) inches on the sta-tup ranse instru=entatien.
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au es w u e
- .1/29/78 O