ML20217H971

Forwards Request for Addl Info Re GL 96-06, Assurance of Equipment Operability & Containment Integrity During Design- Basis Accident Conditions

ML20217H971
Person / Time
Site:	Callaway
Issue date:	03/31/1998
From:	Westreich B NRC (Affiliation Not Assigned)
To:	Randolph G UNION ELECTRIC CO.
References
GL-96-06, GL-96-6, TAC-M96791, NUDOCS 9804060136
Download: ML20217H971 (3)

Text

l.;

~ March 31, 1998

[

i . Mr. Garry L. Randolph Vice President and Chief Nuclear Officer Union Electric Company.

Post Office Box 620

l. Fulton, MissourlE 65251 L

SUBJECT:

y REQUEST FOR ADDITIONAL INFORMATION PERTAINING TO GENERIC LETTER (GL) 96-06, " ASSURANCE OF EQUIPMENT OPERABILITY AND CONTAINMENT INTEGRITY DURING DESIGN-BASIS ACCIDENT -

i CONDITIONS" . (TAC NO. M96791)

Dear Mr. Randolph:

By letters dated October 30,1996, and January 28,1997, Union Electric (UE) submitted its 30-

' day and 120-day responses to GL 96-06. In your response, you identified that 23 pipe lines -

_ penetrating the containment are susceptible to thermally-induced pressurization and were -

evaluated for operability. You committed to perform more specific evaluations of these lines to -

l. demonstrate compliance with the NRC position. You further committed to perform any i necessary modifications consistent with the end of Refuel 9 and Refuel 10.

In order to complete its review of the response to the generic letter,' the NRC needs additional information regarding your evaluation of the piping associated with these penetrations. Please provide summaries of your evaluations of these penetrations and describe the method of )

y analysis, including the assumptions used in the analysis, and the results.'. You should also

! provide fabrication drawings of the piping sections evaluated and should discuss how the l criteria used for the evaluations meet the licensing basis criteria for Callaway.

L -

Please provide your response to this request for additional information (RAI) within 60 days of l the date of this letter in order to support the staff's review schedule. If you have any questions regarding this RAI, please contact me'at (301) 415-3456. , ,

Sincerely, _ ORIGINAL SIGNED BY:

l- Barry C. Westreich, Project Manager-l Project Directorate IV-2 l Division of Reactor Projects lil/IV l

Office of Nuclear Reactor Regulation Docket No. 50-483 DISTRIBUTION:

Docket EPeyton

. cc: See next page PUBLIC ACRS PDIV-2 Reading OGC EAdensam WJohnson, RIV \

WBateman PGwynn, RIV O BWestreich JFair j DOCUMENT NAME: GL9606.RAI KManoly OFC P J !%2fM beh:ye PDIV-2/LA .

t8eyteI ~ ^ ' ~ ~ ~

[

NAME DATE 3/71/98 3/31 /98 I NIM f=O beW  %@M $

OFFICIAL RECORD COPY 9804060136 990331 PDR ADOCK 05000483

.P. a, PDR >

(

• \

[ gf  % UNITED STATES s

s j NUCLEAR REGULATORY COMMISSION "g wasuiwarow, p.c. sones eooi

%, . . . f . 'e#a harch 31,1998 Mr. Garry L. Randolph Vice President and Chief Nuclear Omcer Union Electric Company Post Office Box 620 Fulton, Missouri 65251

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION PERTAINING TO GENERIC LETTER (GL) 96-06, " ASSURANCE OF EQUIPMENT OPERABILITY AND g

CONTAINMENT INTEGRITY DURING DESIGN-BASIS ACCIDENT CONDITIONS" (TAC NO. M96791) l

Dear Mr. Randolph:

1 By letters dated October 30,1996, and January 28,1997, Union Electric (UE) submitted its 30-

! day and 120-day responses to GL 96-06. In your response, you identified that 23 pipe lines l

penetrating the containment are susceptible to thermally-induced pressurization and were evaluated for operability. You committed to perform more specific evaluations of these lines to l demonstrate compliance with the NRC position. You further committed to perform any j necessary modifications consistent with the end of Refuel 9 and Refuel 10. l In order to complete its review of the response to the generic letter, the NRC needs additional )

l information regarding your evaluation of the piping associated with these penetrations. Please  !

! provide summaries of your evaluations of these penetrations and describe the method of j l analysis, including the assumptions used in the analysis, and the results. You should also  !

provide fabrication drawings of the piping sections evaluated and should discuss how the criteria used for the evaluations meet the licensing basis criteria for Callaway.

Please provide your response to this request for additional information (RAI) within 60 days of 4 l the date of this letter in order to support the staff's review schedule. If you have any questions l l regarding this RAI, please contact me at (301) 415-3456.  !

Sincereij, r

W.? NQj( \

! Barry . estreich, Project Manager

! Project Directorate IV-2 Division of Reactor Projects lil/IV i Office of Nuclear Reactor Regulation Docket No. 50-483 cc: See next page 1

e.

c ;,y 4

4 Mr. Garry L. Randolph L cc.

l Professional Nuclear Mr. Otto L. Maynard Consulting, Inc.

President and Chief Executive Officer -

19041 Raines Drive Wolf Creek Nuclear Operating Corporation Derwood,' Maryland 2,0855 . P.O. Box 411 l

Gerald Chamoff, Esq.

Thomas A. Baxter, Esq. Mr. Dan I. Bolef, President l

- Shaw, Pittman, Potts & Trowbridge Kay Drey, Representative

t. 2300 N. Street, N.W.

' Board of Directors Coalition Washington, D.C. 20037 . for the Environment 6267 Delmar Boulevard Mr. H. D. Bono University City, Missourl 63130

Supervising Engineer Quality Assurance Regulatory Support Mr. Lee Fritz Union Electric Company Presiding Commissioner Post Office Box 620 Callaway County Court House Fulton, Missouri 65251 10 East Fifth Street Fulton, Missouri 65151 U.S. Nuclear Regulatory Commission y Resident inspector Office Mr. Alan C. Passwater, Manager 8201 NRC Road Licensing and Fuels Steedman, Missouri 65077-1302 Union Electric Company Post Office Box 66149 L

Mr. J. V. Laux, Manager St. Louis, Missouri 63166-6149 Quality Assurance Union Electric Company L

Post Office Box 620 Fulton, Missouri 65251. j l

Manager- Electric Department Missouri Public Service Commission 301 W. High Post Office Box 360 l- Jefferson City, Missouri 65102 j

. Regional Administrator, Region IV I l U.S. Nuclear Regulatory Commission j

L Harris Tower & Pavilion '

611 Ryan Plaza Drive, Suite 400 I Arlington, Texas 76011-8064 1 1

Mr. Ronald A. Kucera, Deputy Director Department of Natural Resources 1 P.O. Box 176  !

Jefferson City, Missouri 65102 i l i