ML20127L649
| ML20127L649 | |
| Person / Time | |
|---|---|
| Site: | Vogtle  |
| Issue date: | 06/14/1985 |
| From: | Bailey J GEORGIA POWER CO. |
| To: | Adensam E Office of Nuclear Reactor Regulation |
| References | |
| GN-642, NUDOCS 8506280080 | |
| Download: ML20127L649 (1) | |
Text
m Georgia Power Company Routa 2, Box 299A Wayn;sboro, Georgia 30830 Telephone 404 554-9961 404 724-8114 Southern Company Services, Inc.
Post Off.ce Box 2625 Birmingham, Alabama 35202 Telephone 205 8706011 Vogtle Proj.ect June 14, 1985 Director of Nuclear Reactor Regulation File: X7BC35 Attention:
Ms. Elinor G. Adensam, Chief Log:
GN-642 Licensing Branch #4 Division of Licensing U. S. Nuclear Regulatory Commission Washington, D.C.
20555 Ref: Bailey to Denton, GN-629, Dated 5/29/85 NRC DOCKET NUMBERS 50-424 AND 50-425 CONSTRUCTION PERMIT NUMB"RS CPPR-108 AND CPPR-109 V0GTLE ELECTRIC GENERATING PLANT - UNITS 1 AND 2 REQUEST FOR ADDITIONAL INFORMATION: DSER OPEN ITEM 101
Dear Mr. Denton:
This is to confirm that the source range instrunentation cited in the reference letter consists of two redundant channels with separate Class 1E power supplies and a bisteble for each channel providing input to the High Flux at Shutdown Alarm.
There is a ' single e.larm on the main control board, however, the source range instrumentation does pbovide analog.
input to the Proteus computer. There is a "High Alert, associated with this input which will be programmed with a setpoinr equivalent to the setpoint for the High Flux at Shutdown' Alarm. Any process point which goes into the alarm state causes an'alars'tessipp to appear,on a CRT, screen dedicated to this purpose. Alarm Nas' ages, Are writter. S th the l'
i point identification in the blinicing state. 'Plantbrocedurespill ~ '
require that the setpoint programmed into the compure M e adjusted to account for decay in activity during' shutdown.
s If your staff requires any additlownf information, please ?do not. hesitate
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. A. Bailey Project Licensing Manager 2
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