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| document type = CORRESPONDENCE-LETTERS, NRC TO UTILITY, OUTGOING CORRESPONDENCE
| document type = CORRESPONDENCE-LETTERS, NRC TO UTILITY, OUTGOING CORRESPONDENCE
| page count = 2
| page count = 2
| project = TAC:73118
| stage = Other
}}
}}


=Text=
=Text=
{{#Wiki_filter:_ _ - _                   __                              -                                    -        .
{{#Wiki_filter:_ _ - _
                                                                                                                                                                                  ,,i         w
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" July 17,11989
                                                                                                                                                " July 17,11989 h$ W 4
~
Docket No.' : 50-4834                                                                           ''              *                      -
h$ W 4
Mrc Donald F. Schnell                                                                                 .                                                            ,
Docket No.' : 50-4834 Mrc Donald F. Schnell s
s Senior,Vice President - Nuclear
Senior,Vice President - Nuclear Union Electric Company Post Office Box =149.
;                          Union Electric Company l
i l
Post Office Box =149.                                                                                                                                  .
St. Louis, Missouri 63166
i
  ;                        St. Louis, Missouri 63166


==Dear Mr.-Schnell:==
==Dear Mr.-Schnell:==
==SUBJECT:==
==SUBJECT:==
  - ENVIRONMENTAL-QUALIFICATION.OF BUNKER RAMO ELECTRICAL
  - ENVIRONMENTAL-QUALIFICATION.OF BUNKER RAMO ELECTRICAL PENETRATION-ASSEMBLIES AT CALLAWAY (TAC N0. 73118)'
                    .                                                                            PENETRATION-ASSEMBLIES AT CALLAWAY (TAC N0. 73118)'


==Reference:==
==Reference:==
' Letter from Gary M. Holahan to Donald F. .Schnell on above subject, dated January 31, 1989-By letter dated A'p ril'27,1989, you responded to the information requested in the reference.                                                                         In your response, you addressed the staff concern regarding
' Letter from Gary M. Holahan to Donald F..Schnell on above subject, dated January 31, 1989-By letter dated A' ril'27,1989, you responded to the information requested in p
:the' similarity of the tested configurations and actual installed instrument circuits, and:you_ provided additional discussion regarding the staff' concern of low hsulation resistance (IR) readings on control circuits. .You also stated that you made available two of your spare penetration modules for_.
the reference.
In your response, you addressed the staff concern regarding
:the' similarity of the tested configurations and actual installed instrument circuits, and:you_ provided additional discussion regarding the staff' concern of low hsulation resistance (IR) readings on control circuits..You also stated that you made available two of your spare penetration modules for_.
testing at.Wyle Labs, and that since the test profile enveloped your. require-
testing at.Wyle Labs, and that since the test profile enveloped your. require-
                          .ments and that IR values greater than that required for the most limiting.
.ments and that IR values greater than that required for the most limiting.
instrument loop at Calloway were observed, you felt that the NRC approval given
instrument loop at Calloway were observed, you felt that the NRC approval given
                        , for Braidwood on March 31, 1989 is equally applicable to Callaway.
, for Braidwood on March 31, 1989 is equally applicable to Callaway.
The staff notes that your environmental qualification file on the Bunker Ramo Electrical. Penetration Assemblies may be subject to a. staff audit at a future date.
The staff notes that your environmental qualification file on the Bunker Ramo Electrical. Penetration Assemblies may be subject to a. staff audit at a future date.
Sincerely,.
Sincerely,.
                                                                                                                                                                  /s/
/s/
John'.N. Hannon, Director Project Directorate III-3 Division of Reactor Projects - III,                             i IV, V and Special Projects                                 .;
John'.N. Hannon, Director Project Directorate III-3 Division of Reactor Projects - III, i
        ,'                                                                                                                                      Office of Nuclear Reactor Regulation                             '
IV, V and Special Projects Office of Nuclear Reactor Regulation
                          -cc: See next page DISTRIBUTION
-cc: See next page DISTRIBUTION
                          -Docket Eile@                                                                                             hRC PDR                 Local PDR           PD33 Reading M. Virgilio G'.             Hol$h'a'n '                                                                                                     J. Hannon           P. Kreutzer
-Docket Eile@
                        , T. Alexion                                                                                               P. Shemanski           C. McCracken         0GC-Rockville E. Jordan                                                                                               B. Grimes               ACRS(10)             PD3 Plant File                   i
hRC PDR Local PDR PD33 Reading G'. Hol$h'a'n '
                                                                                                                                                                                                                )
M. Virgilio J. Hannon P. Kreutzer
                          *SEE PREVIOUS CONCURRENCE                                                                                               '
, T. Alexion P. Shemanski C. McCracken 0GC-Rockville E. Jordan B. Grimes ACRS(10)
Office:                                                                                                         PM/         <
PD3 Plant File i
PM/PDIII-2   SLPB Surname:                                                              LA/sDizerPDIK-3Tale PKt                                                 W           *PShemanski   *CMcCracken-Date:                                                               07/j7 /89                                 07/f   /89               07/12/89     07/13/89
)
                          .PD/PDIII 3 JHannon 07/ 89 8907200362 DR 890717                 w ADOCK 05000483                                                                                               1   j PDC                                                                         ,
*SEE PREVIOUS CONCURRENCE Office:
'D''             '-          _ - . _ _ _ _ . _ _ _ _ . _ _ _ _ _ . _ _ _ . _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _
LA/sDizerPDIK-3 PM/
PM/PDIII-2 SLPB PKt Tale W
*PShemanski
*CMcCracken-Surname:
Date:
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[ .k.              .
[
      ,_                    Mr. D. F. Schnell                                                                                                   Callaway' Plant Union Electric Company                                                                                             Unit No.~1 cc:
.k.
Dr. J. 0. Cermack                                                                                                   fir. Bart D. Withers CFA Inc.                                                                                                           President and Chief 4_ Professional Dr., Suite 110                                                                                         Executive Officer Gaithersburg, MD 20879'                                                                                           Wolf Creek Nuclear Operating.
Mr. D. F. Schnell Callaway' Plant Union Electric Company Unit No.~1 cc:
Corporation Gerald Charnoff, Esq.                                                                                             P. O. Box 411 Thomas A. Baxter, Esq.                                                                                             Burlington, Kansas 66839 Shaw, Pittman, Potts & Trowbridge 2300 N Street, N. W.                                                                                               Mr. Dan I. Bolef, President Washington, D. C. 20037                                                                                           Kay Drey, Representative-
Dr. J. 0. Cermack fir. Bart D. Withers CFA Inc.
                                                                                                                                                . Board of Directors Coalition
President and Chief 4_ Professional Dr., Suite 110 Executive Officer Gaithersburg, MD 20879' Wolf Creek Nuclear Operating.
                        ' Mr. T. P. Sharkey                                                                                                         for the Environment Supervising Engineer,                                                                                               St. Louis Region Site Licensing                                                                                             6267 Delmar Beulevard Union Electric Company                                                                                           University City, Missouri 63130 Fost Office Box 620 Fulton, Missouri 65251 U. S. i;uclear Regulatory Commission Resident Inspectors Office RR#1 Steedman, Missouri 65077 tir. Alan C. Passwater, Manager Licensing and Fuels Unicn Electric Ccepany Post Office Box 149 St. Louis, Misscuri 63166 l
Corporation Gerald Charnoff, Esq.
E Nanager - Electric Department l                               Missouri Public Service Commissior l                               301 W. High Post Office Box 360 Jefferson City, Missouri 65102 Regional Administrator U. S. NRC, Region III 799 Roosevelt Road Glen Ellyn, Illinois 60137 Mr. Ronald A. Kucera, Deputy Director Departnent cf Natural Resources P. O. Box 176 Jefferson City, Missouri 65102 I
P. O. Box 411 Thomas A. Baxter, Esq.
Burlington, Kansas 66839 Shaw, Pittman, Potts & Trowbridge 2300 N Street, N. W.
Mr. Dan I. Bolef, President Washington, D. C.
20037 Kay Drey, Representative-
. Board of Directors Coalition
' Mr. T. P. Sharkey for the Environment Supervising Engineer, St. Louis Region Site Licensing 6267 Delmar Beulevard Union Electric Company University City, Missouri 63130 Fost Office Box 620 Fulton, Missouri 65251 U. S. i;uclear Regulatory Commission Resident Inspectors Office RR#1 Steedman, Missouri 65077 tir. Alan C. Passwater, Manager Licensing and Fuels Unicn Electric Ccepany Post Office Box 149 St. Louis, Misscuri 63166 l
E Nanager - Electric Department l
Missouri Public Service Commissior l
301 W. High Post Office Box 360 Jefferson City, Missouri 65102 Regional Administrator U. S. NRC, Region III 799 Roosevelt Road Glen Ellyn, Illinois 60137 Mr. Ronald A. Kucera, Deputy Director Departnent cf Natural Resources P. O. Box 176 Jefferson City, Missouri 65102 I
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_m}}

Latest revision as of 21:57, 1 December 2024

Discusses Environ Qualification of Bunker Ramo Electrical Penetration Assemblies at Facility,Specifically NRC Concerns Re Low Insulation Resistance Readings on Control Circuits. Qualification File May Be Subj to NRC Audit
ML20246P917
Person / Time
Site: Callaway Ameren icon.png
Issue date: 07/17/1989
From: Hannon J
Office of Nuclear Reactor Regulation
To: Schnell D
UNION ELECTRIC CO.
References
TAC-73118, NUDOCS 8907200362
Download: ML20246P917 (2)
v • d • e


Text

_ _ - _

,,i w

" July 17,11989

~

h$ W 4

Docket No.' : 50-4834 Mrc Donald F. Schnell s

Senior,Vice President - Nuclear Union Electric Company Post Office Box =149.

i l

St. Louis, Missouri 63166

Dear Mr.-Schnell:

SUBJECT:

- ENVIRONMENTAL-QUALIFICATION.OF BUNKER RAMO ELECTRICAL PENETRATION-ASSEMBLIES AT CALLAWAY (TAC N0. 73118)'

Reference:

' Letter from Gary M. Holahan to Donald F..Schnell on above subject, dated January 31, 1989-By letter dated A' ril'27,1989, you responded to the information requested in p

the reference.

In your response, you addressed the staff concern regarding

the' similarity of the tested configurations and actual installed instrument circuits, and:you_ provided additional discussion regarding the staff' concern of low hsulation resistance (IR) readings on control circuits..You also stated that you made available two of your spare penetration modules for_.

testing at.Wyle Labs, and that since the test profile enveloped your. require-

.ments and that IR values greater than that required for the most limiting.

instrument loop at Calloway were observed, you felt that the NRC approval given

, for Braidwood on March 31, 1989 is equally applicable to Callaway.

The staff notes that your environmental qualification file on the Bunker Ramo Electrical. Penetration Assemblies may be subject to a. staff audit at a future date.

Sincerely,.

/s/

John'.N. Hannon, Director Project Directorate III-3 Division of Reactor Projects - III, i

IV, V and Special Projects Office of Nuclear Reactor Regulation

-cc: See next page DISTRIBUTION

-Docket Eile@

hRC PDR Local PDR PD33 Reading G'. Hol$h'a'n '

M. Virgilio J. Hannon P. Kreutzer

, T. Alexion P. Shemanski C. McCracken 0GC-Rockville E. Jordan B. Grimes ACRS(10)

PD3 Plant File i

)

  • SEE PREVIOUS CONCURRENCE Office:

LA/sDizerPDIK-3 PM/

PM/PDIII-2 SLPB PKt Tale W

  • PShemanski
  • CMcCracken-Surname:

Date:

07/j7 /89 07/f /89 07/12/89 07/13/89

.PD/PDIII 3 JHannon 07/

89 8907200362 890717 w

DR ADOCK 05000483 1 j PDC

'D

[

.k.

Mr. D. F. Schnell Callaway' Plant Union Electric Company Unit No.~1 cc:

Dr. J. 0. Cermack fir. Bart D. Withers CFA Inc.

President and Chief 4_ Professional Dr., Suite 110 Executive Officer Gaithersburg, MD 20879' Wolf Creek Nuclear Operating.

Corporation Gerald Charnoff, Esq.

P. O. Box 411 Thomas A. Baxter, Esq.

Burlington, Kansas 66839 Shaw, Pittman, Potts & Trowbridge 2300 N Street, N. W.

Mr. Dan I. Bolef, President Washington, D. C.

20037 Kay Drey, Representative-

. Board of Directors Coalition

' Mr. T. P. Sharkey for the Environment Supervising Engineer, St. Louis Region Site Licensing 6267 Delmar Beulevard Union Electric Company University City, Missouri 63130 Fost Office Box 620 Fulton, Missouri 65251 U. S. i;uclear Regulatory Commission Resident Inspectors Office RR#1 Steedman, Missouri 65077 tir. Alan C. Passwater, Manager Licensing and Fuels Unicn Electric Ccepany Post Office Box 149 St. Louis, Misscuri 63166 l

E Nanager - Electric Department l

Missouri Public Service Commissior l

301 W. High Post Office Box 360 Jefferson City, Missouri 65102 Regional Administrator U. S. NRC, Region III 799 Roosevelt Road Glen Ellyn, Illinois 60137 Mr. Ronald A. Kucera, Deputy Director Departnent cf Natural Resources P. O. Box 176 Jefferson City, Missouri 65102 I

e i

L___

____m.___

_______..m____

_______._-____...__._________________..___m.__________._____________m______--____._.___m______

_m

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