ML19319C880: Difference between revisions

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| number = ML19319C880
| number = ML19319C880
| issue date = 04/19/1973
| issue date = 04/19/1973
| title = Responds to AEC 730307 Ltr Re Inadvertent Disabling of Components by Circuit Breakers Racking Out for Different Component.Circuit Maintained Through Finger Contacts During Racking Out of Breakers at Facility
| title = Responds to AEC Re Inadvertent Disabling of Components by Circuit Breakers Racking Out for Different Component.Circuit Maintained Through Finger Contacts During Racking Out of Breakers at Facility
| author name = Rodgers J
| author name = Rodgers J
| author affiliation = FLORIDA POWER CORP.
| author affiliation = FLORIDA POWER CORP.
Line 11: Line 11:
| contact person =  
| contact person =  
| document report number = NUDOCS 8003040837
| document report number = NUDOCS 8003040837
| title reference date = 03-07-1973
| package number = ML19319C867
| package number = ML19319C867
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE, UTILITY TO NRC
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE, UTILITY TO NRC
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=Text=
=Text=
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Mr. A. Schwencer Chief, Pressurized Water
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Mr. A. Schwencer Chief, Pressurized Water Reactors, Branch No. 4 *
Reactors, Branch No. 4 *
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              ',          , Directorate of Licensing                                                                    ' '
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Directorate of Licensing
                        -/ United States Atomic Energy Commission                                                                             C,'
-/ United States Atomic Energy Commission C,'
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==SUBJECT:==
==SUBJECT:==
FLORIDA POWER CORPORATION                                                         . . . .' -/
FLORIDA POWER CORPORATION
  ,,                                            CRYSTAL RIVER NUCLEAR GENERATING PLANT                                             w/
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CRYSTAL RIVER NUCLEAR GENERATING PLANT w/
DOCKET NO. 50-302
DOCKET NO. 50-302
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==Dear Mr. Schwencer:==
==Dear Mr. Schwencer:==
 
In response to your {{letter dated|date=March 7, 1973|text=March 7,1973 letter}}, relating to inadvertent disabling of components by racking out of circuit breakers for a N
In response to your March 7,1973 letter, relating to inadvertent disabling of components by racking out of circuit breakers for a N                   different component, we give the following information:
different component, we give the following information:
All normally closed circuits in our 6.9 kv, 4.16 kv d 480 volt switch gear are arranged so that when the breakes are " racked out", the circuit is maintained through finger contacts. With this ' feature, we do not have the problem as described in your March 7 letter.
All normally closed circuits in our 6.9 kv, 4.16 kv d 480 volt switch gear are arranged so that when the breakes are " racked out", the circuit is maintained through finger contacts. With this ' feature, we do not have the problem as described in your March 7 letter.
As requested, we are providing for your distribution, one signed original and thirty-nine additional copies 02: our response.
As requested, we are providing for your distribution, one signed original and thirty-nine additional copies 02: our response.
Please contact us if you require any discussion or clarification of the above information.                                                                                       -
Please contact us if you require any discussion or clarification of the above information.
Very truly yours, J. T. Rodgers Assistant Vice President JTR/ns                                                     .
Very truly yours, J. T. Rodgers Assistant Vice President 37 8003040 JTR/ns Enclosures
8003040                  37 Enclosures                                             ,,-
'f COPY SENT REGION-2654 General Office 3201 TNrry fourtn street Soutn. P.o. Box 14o42. St. Petersburg, Flonda 33733 813--866-5151
                                                                              'f         * ,
COPY SENT REGION-                         2654 General Office 3201 TNrry fourtn street Soutn . P.o. Box 14o42. St. Petersburg, Flonda 33733 813--866-5151
_}}
_}}

Latest revision as of 19:32, 1 January 2025

Responds to AEC Re Inadvertent Disabling of Components by Circuit Breakers Racking Out for Different Component.Circuit Maintained Through Finger Contacts During Racking Out of Breakers at Facility
ML19319C880
Person / Time
Site: Crystal River 
Issue date: 04/19/1973
From: Rodgers J
FLORIDA POWER CORP.
To: Schwencer A
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML19319C867 List:
References
NUDOCS 8003040837
Download: ML19319C880 (1)


Text

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a Rorida 3p,11 19, 1973 P. w

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Mr. A. Schwencer Chief, Pressurized Water Reactors, Branch No. 4 *

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1 :.C,7 '.--

Directorate of Licensing

-/ United States Atomic Energy Commission C,'

Washington, DC 20545 c,' '

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SUBJECT:

FLORIDA POWER CORPORATION

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CRYSTAL RIVER NUCLEAR GENERATING PLANT w/

DOCKET NO. 50-302

,e f.

Dear Mr. Schwencer:

In response to your March 7,1973 letter, relating to inadvertent disabling of components by racking out of circuit breakers for a N

different component, we give the following information:

All normally closed circuits in our 6.9 kv, 4.16 kv d 480 volt switch gear are arranged so that when the breakes are " racked out", the circuit is maintained through finger contacts. With this ' feature, we do not have the problem as described in your March 7 letter.

As requested, we are providing for your distribution, one signed original and thirty-nine additional copies 02: our response.

Please contact us if you require any discussion or clarification of the above information.

Very truly yours, J. T. Rodgers Assistant Vice President 37 8003040 JTR/ns Enclosures

'f COPY SENT REGION-2654 General Office 3201 TNrry fourtn street Soutn. P.o. Box 14o42. St. Petersburg, Flonda 33733 813--866-5151

_