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p                    a UNITED STATES s*                                    NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. SDeeHOM
g na UNITED STATES p
;                                                                                              December 2, 1998 l
a*
s NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. SDeeHOM December 2, 1998 l
Mr. Oliver D. Kingsley, President ~
Mr. Oliver D. Kingsley, President ~
Nuclear Generation Group Commonwealth Edison Company Executive Towers West til 1400 Opus Place, Suite 500 Downers Grove,IL 60515 i
Nuclear Generation Group Commonwealth Edison Company Executive Towers West til 1400 Opus Place, Suite 500 Downers Grove,IL 60515 i


==SUBJECT:==
==SUBJECT:==
REQUEST FOR WITHHOLDING INFORMATION FROM PUBLIC DISCLOSURE I
REQUEST FOR WITHHOLDING INFORMATION FROM PUBLIC DISCLOSURE


==Dear Mr. Kingsley:==
==Dear Mr. Kingsley:==
 
By letter from Commonwealth Edison Company (Comed) dated October 26,1998, and General Electric Company's (GE) affidavit executed by David J. Robare dated September ~30,1998, you l
By letter from Commonwealth Edison Company (Comed) dated October 26,1998, and General Electric Company's (GE) affidavit executed by David J. Robare dated September ~30,1998, you l             submitted a proprietary document entitled, " Quad Cities Nuclear Power Station, Units 1 and 2, i'             Containment Analysis for Long-Term NPSH Evaluation with ANS 5.1-1979 + 2 Sigma Decay Heat," GE-NE-T2300750-00-02-R1 and requested that it be withheld from public disclosure pursuant to 10 CFR 2.790.
submitted a proprietary document entitled, " Quad Cities Nuclear Power Station, Units 1 and 2, i'
Containment Analysis for Long-Term NPSH Evaluation with ANS 5.1-1979 + 2 Sigma Decay Heat," GE-NE-T2300750-00-02-R1 and requested that it be withheld from public disclosure pursuant to 10 CFR 2.790.
GE stated that the information should be considered exempt from mandatory public disclosure for the following reasons:
GE stated that the information should be considered exempt from mandatory public disclosure for the following reasons:
I
I
                      "(4)a information that discloses a process, method, or apparatus, including supporting
"(4)a information that discloses a process, method, or apparatus, including supporting data and analyses, where prevention of its use by General Electric's competitors l
!                                data and analyses, where prevention of its use by General Electric's competitors                             l without license from General Electric constitutes a competitive economic                                     ;
without license from General Electric constitutes a competitive economic advantage over other companies; j
<                                advantage over other companies;                                                                               j
(
(                                                                                                                                             l L                     .(4)b     information which, if used by a competitor, would reduce his expenditure of                                   I resources or improve his competitive position in the design, manufacture, j_                               shipment, installation, assurance of quality, or licensing of a similar product;                             ;
l L
(8)     The information identified in paragraph (2), above, [ Quad Cities Nuclear Power                               l Station, Units 1 and 2, Containment Analysis for Long-Term NPSH Evaluation                                   !
.(4)b information which, if used by a competitor, would reduce his expenditure of I
with ANS 5.1-1979 + 2 Sigma Decay Heat) is classified as proprietary because it                               !
resources or improve his competitive position in the design, manufacture, j_
contains detailed design bases and methods and processes regarding the use of                                 l analytical models, including computer codes, which GE has developed or                                       j modified, and applied to perform evaluations of containment pressurization and                               !
shipment, installation, assurance of quality, or licensing of a similar product; (8)
heat transfer capability for loss.of-coolant accidents for the BWR. This detailed                             !
The information identified in paragraph (2), above, [ Quad Cities Nuclear Power l
level of information normally only is available for GE intemal use, is not supplied
Station, Units 1 and 2, Containment Analysis for Long-Term NPSH Evaluation with ANS 5.1-1979 + 2 Sigma Decay Heat) is classified as proprietary because it contains detailed design bases and methods and processes regarding the use of l
:                                even to our customers, and only is available for audit by customers and the                           i)    !
analytical models, including computer codes, which GE has developed or j
NRC. This information shows in specific detail the processes, codes and                           / \     O methods employed to perform the evaluations.                                                     Q           j i
modified, and applied to perform evaluations of containment pressurization and heat transfer capability for loss.of-coolant accidents for the BWR. This detailed level of information normally only is available for GE intemal use, is not supplied i) even to our customers, and only is available for audit by customers and the NRC. This information shows in specific detail the processes, codes and
9812070105 991202                     'D
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O methods employed to perform the evaluations.
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O. Kingsley                                                               December 2, 1998 The development and modification of this information and models for these BWR analysis computer codes was achieved at a significant cost, on the order of several hundred thousand dollars, to GE.                                                                     I The development of the supporting processes, was at a significant additional cost to GE, in excess of a million dollars, over and above the large cost of developing the underlying individual proprietary report information."
O. Kingsley December 2, 1998 The development and modification of this information and models for these BWR analysis computer codes was achieved at a significant cost, on the order of several hundred thousand dollars, to GE.
The development of the supporting processes, was at a significant additional cost to GE, in excess of a million dollars, over and above the large cost of developing the underlying individual proprietary report information."
We have reviewed your submittal and the material in accordance with the requirements of 10 CFR 2.790 and, on the basis of GE's statements, have determined that the submitted information sought to be withheld contains trade secrets or proprietary commercial information and should be withheld from public disclosure.
We have reviewed your submittal and the material in accordance with the requirements of 10 CFR 2.790 and, on the basis of GE's statements, have determined that the submitted information sought to be withheld contains trade secrets or proprietary commercial information and should be withheld from public disclosure.
Therefore, we have determined that the documents entitled," Quad Cities Nuclear Power Station, Units 1 and 2, Containment Analysis for Long-Term NPSH Evaluation with ANS 5.1-1979 + 2 Sigma Decay Heat," marked as proprietary will be withheld from public disclosure pursuant to 10 CFR 2.790(b)(5) and Section 103(b) of the Atomic Energy Act of 1954, as amended.
Therefore, we have determined that the documents entitled," Quad Cities Nuclear Power Station, Units 1 and 2, Containment Analysis for Long-Term NPSH Evaluation with ANS 5.1-1979 + 2 Sigma Decay Heat," marked as proprietary will be withheld from public disclosure pursuant to 10 CFR 2.790(b)(5) and Section 103(b) of the Atomic Energy Act of 1954, as amended.
1 Withholding from public inspection shall not affect the right, if any, of persons properly and directly concerned to inspect the document. If the need arises, we may send copies of this information to our consultants working in this area. We will, of course, insure that the                             ;
1 Withholding from public inspection shall not affect the right, if any, of persons properly and directly concerned to inspect the document. If the need arises, we may send copies of this information to our consultants working in this area. We will, of course, insure that the consultants have signed the appropriate agreements for handling proprietary information.
consultants have signed the appropriate agreements for handling proprietary information.                             !
If the basis for withholding this information from public inspection should change in the future such that the information could then be made available for public inspection, you should promptly notify the NRC. You should also understand that the NRC may have cause to review this determination in the future, for example, if the scope of a Freedom of information Act request includes your information. In all review situations, if the NRC needs additional information from you or makes a determination adverse to the above, you will be notified in advance of any public disclosure.
If the basis for withholding this information from public inspection should change in the future such that the information could then be made available for public inspection, you should promptly notify the NRC. You should also understand that the NRC may have cause to review this determination in the future, for example, if the scope of a Freedom of information Act request includes your information. In all review situations, if the NRC needs additional information from you or makes a determination adverse to the above, you will be notified in advance of any public disclosure.
Sincerely, ORIG. SIGNED BY Robert M. Pulsifer, Project Manager Project Directorate ill-2 Division of Reactor Projects - til/IV Office of Nuclear Reactor Regulation DISTRIBUTION:
Sincerely, ORIG. SIGNED BY Robert M. Pulsifer, Project Manager Project Directorate ill-2 Division of Reactor Projects - til/IV Office of Nuclear Reactor Regulation DISTRIBUTION:
Docket Nos. 50-254, 50-265                               Docket File'               PUBLIC             PDill-2 r/f E. Adensam                 S. Richards CMoore cc: see next page                                         MPSiemien, OGC             RPulsifer         MRing, Rlli cOCUMENT NAME: A:\GE1026 TA receive a copy of this document,Indicatarin the box: "C" = Copy without enclosures "E" = Copy with enclosures "N" = No copy OFFICE         PM:PDill-2 m [ e.         {LAtDJI-2           CV   OGC               l(j D:PDlll-2 l4                       l NAME           RPULSIFESP'               QAO_O$E                   MPSIEMIEN nl" SRICHARDS Md DATE           11/M /98                   11/4 5 /98                 11/MJ/98                   1*f s /98 OFFICIAL RECORD COPY                   4
Docket Nos. 50-254, 50-265 Docket File' PUBLIC PDill-2 r/f E. Adensam S. Richards CMoore cc: see next page MPSiemien, OGC RPulsifer MRing, Rlli cOCUMENT NAME: A:\\GE1026 TA receive a copy of this document,Indicatarin the box: "C" = Copy without enclosures "E" = Copy with enclosures "N" = No copy OFFICE PM:PDill-2 m [ e.
{LAtDJI-2 CV OGC l(j D:PDlll-2 l4 l
NAME RPULSIFESP' QAO_O$E MPSIEMIEN nl" SRICHARDS Md DATE 11/M /98 11/4 5 /98 11/MJ/98 1*f s /98 OFFICIAL RECORD COPY 4


i O. Kingsley                                                                                                                                                 l 1
i O. Kingsley 1 The development and modification of this information and models for these BWR analysis computer codes was achieved at a significant cost, on the order of several hundred thousand dollars, to GE.
I l
The development and modification of this information and models for these BWR analysis computer codes was achieved at a significant cost, on the order of several hundred thousand dollars, to GE.
The development of the supporting processes, was at a significant additional cost to GE, in excess of a million dollars, over and above the large cost of developing the underlying individual proprietary report information."
The development of the supporting processes, was at a significant additional cost to GE, in excess of a million dollars, over and above the large cost of developing the underlying individual proprietary report information."
We have reviewed your submittal and the material in accordance with the requirements of 10 CFR 2.790 and, on the basis of GE's statements, have determined that the submitted information sought to be withheld contains trade secrets or proprietary commercial information     I and should be withheld from public disclosure.
We have reviewed your submittal and the material in accordance with the requirements of 10 CFR 2.790 and, on the basis of GE's statements, have determined that the submitted information sought to be withheld contains trade secrets or proprietary commercial information and should be withheld from public disclosure.
Therefore, we have determined that the documents entitled,
Therefore, we have determined that the documents entitled,
* Quad Cities Nuclear Power           .
* Quad Cities Nuclear Power Station, Units 1 and 2, Containment Analysis for Long-Term NPSH Evaluation with ANS 5.1-1979 + 2 Sigma Decay Heat," marked as proprietary will be withheld from public disclosure pursuant to 10 CFR 2.790(b)(5) and Section 103(b) of the Atomic Energy Act of 1954, as amended.
Station, Units 1 and 2, Containment Analysis for Long-Term NPSH Evaluation with ANS 5.1-1979 + 2 Sigma Decay Heat," marked as proprietary will be withheld from public disclosure pursuant to 10 CFR 2.790(b)(5) and Section 103(b) of the Atomic Energy Act of 1954, as amended.
Withholding from public inspection shall not affect the right, if any, of persons properly and directly concerned to inspect the document. If the need arises, we may send copies of this information to our consultants working in this area. We will, of course, insure that the consultants have signed the appropriate agreements for handling proprietary information.
Withholding from public inspection shall not affect the right, if any, of persons properly and directly concerned to inspect the document. If the need arises, we may send copies of this information to our consultants working in this area. We will, of course, insure that the consultants have signed the appropriate agreements for handling proprietary information.
If the basis for withholding this information from public inspection should change in the future such that the information could then be made available for public inspection, you should promptly notify the NRC. You should also understand that the NRC may have cause to review this determination in the future, for example, if the scope of a Freedom of information Act request includes your information. In all review situations, if the NRC needs additional information from you or makes a determination adverse to the above, you will be notified in advance of any public disclosure.
If the basis for withholding this information from public inspection should change in the future such that the information could then be made available for public inspection, you should promptly notify the NRC. You should also understand that the NRC may have cause to review this determination in the future, for example, if the scope of a Freedom of information Act request includes your information. In all review situations, if the NRC needs additional information from you or makes a determination adverse to the above, you will be notified in advance of any public disclosure.
Sincerely, r
Sincerely, r
coert M. Pulsifer,     et Manager Project Directorate ill-2 Division of Reactor Projects - lil/IV Office of Nuclear Reactor Regulation l
coert M. Pulsifer, et Manager Project Directorate ill-2 Division of Reactor Projects - lil/IV Office of Nuclear Reactor Regulation l
j       Docket Nos. 50-254,50-265 cc: see next page I
j Docket Nos. 50-254,50-265 cc: see next page I


      ..    .                                                                                                        I l
I l
O. Kingsley           .
O. Kingsley Quad Cities Nuclear Power Station.
Quad Cities Nuclear Power Station .
Commonwealth Edison Company Units 1 and 2 cc:
Commonwealth Edison Company                           Units 1 and 2 cc:
MichaelI. Miller, Esquire Vice President - Law and Sidley and Austin Regulatory Affairs l
MichaelI. Miller, Esquire                           Vice President - Law and Sidley and Austin                                       Regulatory Affairs l                 One First National Plaza                             MidAmerican Energy Company Chicago, Illinois 60603                             One River Center Place 106 E. Second Street Commonwealth Edison Company                         P.O. Box 4350 Quad Cities Station Manager                           Davenport, Iowa 52808 l
One First National Plaza MidAmerican Energy Company Chicago, Illinois 60603 One River Center Place 106 E. Second Street Commonwealth Edison Company P.O. Box 4350 Quad Cities Station Manager Davenport, Iowa 52808 l
22710 206th Avenue N.
22710 206th Avenue N.
Cordova, Illinois 61242-9740                         Document Control Desk-Licensing Commonwe,alth Edison Company U.S. Nuclear Regulatory Commission                   1400 Opus Place, Suite 400 Quad Cities Resident inspectors Office               Downers Grove, Illinois 60515 22712 206th Avenue N.
Cordova, Illinois 61242-9740 Document Control Desk-Licensing Commonwe,alth Edison Company U.S. Nuclear Regulatory Commission 1400 Opus Place, Suite 400 Quad Cities Resident inspectors Office Downers Grove, Illinois 60515 22712 206th Avenue N.
Cordova, Illinois 61242                               Mr. David Helwig Senior Vice President Chairman         _
Cordova, Illinois 61242 Mr. David Helwig Senior Vice President Chairman Commonwealth Edison Company Rock Island County Board Executive Towers West lll of Supervisors 1400 Opus Place, Suite 900 1504 3rd Avenue Downers Grove, IL 60515 Rock Island County Office Bldg.
Commonwealth Edison Company Rock Island County Board                             Executive Towers West lll of Supervisors                                     1400 Opus Place, Suite 900 1504 3rd Avenue                                       Downers Grove, IL 60515 Rock Island County Office Bldg.
Rock Island, Illinois 61201 Mr. Gene H. Stanley PWR's Vice President lilinois Departrnent of Nuclear Safety Commonwealth Edison Company Office of Nuclear Facility Safety Executive Towers West lll 1035 Outer Park Drive 1400 Opus Place, Suite 900 Springfield, Illinois 62704 Downers Grove,IL 60515 Regional Administrator Mr. Steve Perry U.S. NRC, Region lli BWR's Vice President 801 Warrenville Road Commonwealth Edison Company Lisle, Illinois 60532-4351 Executive Towers West til 1400 Opus Place, Suite 900 William D. Leach Downers Grove,IL 60515 Manager-Nuclear MidAmerican Energy Company Mr. Dennis Farrar 907 Walnut Street Regulatory Services Manager j
Rock Island, Illinois 61201                           Mr. Gene H. Stanley PWR's Vice President lilinois Departrnent of Nuclear Safety               Commonwealth Edison Company Office of Nuclear Facility Safety                     Executive Towers West lll 1035 Outer Park Drive                                 1400 Opus Place, Suite 900 Springfield, Illinois 62704                           Downers Grove,IL 60515 l
P.O. Box 657 Commonwealth Edison Company Des Moines, Iowa 50303 Executive Towers West 111 1400 Opus Place, Suite 500 Commonwealth Edison Company Downers Grove,IL 60515 1
Regional Administrator                               Mr. Steve Perry U.S. NRC, Region lli                                 BWR's Vice President 801 Warrenville Road                                 Commonwealth Edison Company Lisle, Illinois 60532-4351                           Executive Towers West til 1400 Opus Place, Suite 900 William D. Leach                                     Downers Grove,IL 60515 Manager- Nuclear MidAmerican Energy Company                           Mr. Dennis Farrar                               l 907 Walnut Street                                     Regulatory Services Manager                     j P.O. Box 657                                         Commonwealth Edison Company Des Moines, Iowa 50303                               Executive Towers West 111                       ;
Site Vice President-Quad Cites 22710 206th Avenue N.
1400 Opus Place, Suite 500                     !
Cordova, Illinois 61242-9740 l
Commonwealth Edison Company                           Downers Grove,IL 60515                         1 Site Vice President- Quad Cites                                                                       l 22710 206th Avenue N.
;                Cordova, Illinois 61242-9740 l
I
I


  ** .r.
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I
I O. Kingsley Quad Cities Nuclear Power Plant Commonwealth Edison Company Units 1 and 2 l
!        O. Kingsley                                   Quad Cities Nuclear Power Plant         .
Ms. Irene Johnson, Licensing Director Nuclear Regulatory Services Commonwealth Edison Company l
Commonwealth Edison Company               Units 1 and 2 l
l Executive Towers West 111 l
Ms. Irene Johnson, Licensing Director Nuclear Regulatory Services                                                                     ;
1400 Opus Place, Suite 500 i
Commonwealth Edison Company                                                                     l l       Executive Towers West 111 l       1400 Opus Place, Suite 500 i
Downers Grove,IL 60515 l
Downers Grove,IL 60515 l       Commonwealth Edison Company
Commonwealth Edison Company Reg. Assurance Supervisor-Quad Cities 22710 206th Avenue N.
;        Reg. Assurance Supervisor- Quad Cities 22710 206th Avenue N.
Cordova, Illinois 61242-9740 Mr. Michael J. Wallace i
Cordova, Illinois 61242-9740
Senior Vice President Commonwealth Edison Company Executive Towers West 111 1400 Opus Place, Suite 900 Downers Grove,IL 60515 I
:        Mr. Michael J. Wallace i       Senior Vice President Commonwealth Edison Company
David J. Robare General Electric Company 175 Curtner Avenue l
!        Executive Towers West 111 1400 Opus Place, Suite 900 Downers Grove,IL 60515 I
San Jose, Califomia 95125 l
David J. Robare General Electric Company 175 Curtner Avenue l       San Jose, Califomia 95125 l
l i
l i
_}}
_}}

Latest revision as of 16:32, 10 December 2024

Informs That Document Entitled, ...Containment Analysis for Long-Term NPSH Evaluation with ANS 5.1-1979 + 2 Sigma Decay Heat, GE-NE-T2300750-00-02-R1 Marked Proprietary Will Be Withheld from Public Disclosure Per 10CFR2.270
ML20196F682
Person / Time
Site: Quad Cities  Constellation icon.png
Issue date: 12/02/1998
From: Pulsifer R
NRC (Affiliation Not Assigned)
To: Kingsley O
COMMONWEALTH EDISON CO.
References
NUDOCS 9812070105
Download: ML20196F682 (5)
v • d • e


Text

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g na UNITED STATES p

a*

s NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. SDeeHOM December 2, 1998 l

Mr. Oliver D. Kingsley, President ~

Nuclear Generation Group Commonwealth Edison Company Executive Towers West til 1400 Opus Place, Suite 500 Downers Grove,IL 60515 i

SUBJECT:

REQUEST FOR WITHHOLDING INFORMATION FROM PUBLIC DISCLOSURE

Dear Mr. Kingsley:

By letter from Commonwealth Edison Company (Comed) dated October 26,1998, and General Electric Company's (GE) affidavit executed by David J. Robare dated September ~30,1998, you l

submitted a proprietary document entitled, " Quad Cities Nuclear Power Station, Units 1 and 2, i'

Containment Analysis for Long-Term NPSH Evaluation with ANS 5.1-1979 + 2 Sigma Decay Heat," GE-NE-T2300750-00-02-R1 and requested that it be withheld from public disclosure pursuant to 10 CFR 2.790.

GE stated that the information should be considered exempt from mandatory public disclosure for the following reasons:

I

"(4)a information that discloses a process, method, or apparatus, including supporting data and analyses, where prevention of its use by General Electric's competitors l

without license from General Electric constitutes a competitive economic advantage over other companies; j

(

l L

.(4)b information which, if used by a competitor, would reduce his expenditure of I

resources or improve his competitive position in the design, manufacture, j_

shipment, installation, assurance of quality, or licensing of a similar product; (8)

The information identified in paragraph (2), above, [ Quad Cities Nuclear Power l

Station, Units 1 and 2, Containment Analysis for Long-Term NPSH Evaluation with ANS 5.1-1979 + 2 Sigma Decay Heat) is classified as proprietary because it contains detailed design bases and methods and processes regarding the use of l

analytical models, including computer codes, which GE has developed or j

modified, and applied to perform evaluations of containment pressurization and heat transfer capability for loss.of-coolant accidents for the BWR. This detailed level of information normally only is available for GE intemal use, is not supplied i) even to our customers, and only is available for audit by customers and the NRC. This information shows in specific detail the processes, codes and

/

\\

O methods employed to perform the evaluations.

Q j

i 9812070105 991202

'D 8"J' W4 RlE CENTER 80?V

^

L

O. Kingsley December 2, 1998 The development and modification of this information and models for these BWR analysis computer codes was achieved at a significant cost, on the order of several hundred thousand dollars, to GE.

The development of the supporting processes, was at a significant additional cost to GE, in excess of a million dollars, over and above the large cost of developing the underlying individual proprietary report information."

We have reviewed your submittal and the material in accordance with the requirements of 10 CFR 2.790 and, on the basis of GE's statements, have determined that the submitted information sought to be withheld contains trade secrets or proprietary commercial information and should be withheld from public disclosure.

Therefore, we have determined that the documents entitled," Quad Cities Nuclear Power Station, Units 1 and 2, Containment Analysis for Long-Term NPSH Evaluation with ANS 5.1-1979 + 2 Sigma Decay Heat," marked as proprietary will be withheld from public disclosure pursuant to 10 CFR 2.790(b)(5) and Section 103(b) of the Atomic Energy Act of 1954, as amended.

1 Withholding from public inspection shall not affect the right, if any, of persons properly and directly concerned to inspect the document. If the need arises, we may send copies of this information to our consultants working in this area. We will, of course, insure that the consultants have signed the appropriate agreements for handling proprietary information.

If the basis for withholding this information from public inspection should change in the future such that the information could then be made available for public inspection, you should promptly notify the NRC. You should also understand that the NRC may have cause to review this determination in the future, for example, if the scope of a Freedom of information Act request includes your information. In all review situations, if the NRC needs additional information from you or makes a determination adverse to the above, you will be notified in advance of any public disclosure.

Sincerely, ORIG. SIGNED BY Robert M. Pulsifer, Project Manager Project Directorate ill-2 Division of Reactor Projects - til/IV Office of Nuclear Reactor Regulation DISTRIBUTION:

Docket Nos. 50-254, 50-265 Docket File' PUBLIC PDill-2 r/f E. Adensam S. Richards CMoore cc: see next page MPSiemien, OGC RPulsifer MRing, Rlli cOCUMENT NAME: A:\\GE1026 TA receive a copy of this document,Indicatarin the box: "C" = Copy without enclosures "E" = Copy with enclosures "N" = No copy OFFICE PM:PDill-2 m [ e.

{LAtDJI-2 CV OGC l(j D:PDlll-2 l4 l

NAME RPULSIFESP' QAO_O$E MPSIEMIEN nl" SRICHARDS Md DATE 11/M /98 11/4 5 /98 11/MJ/98 1*f s /98 OFFICIAL RECORD COPY 4

i O. Kingsley 1 The development and modification of this information and models for these BWR analysis computer codes was achieved at a significant cost, on the order of several hundred thousand dollars, to GE.

The development of the supporting processes, was at a significant additional cost to GE, in excess of a million dollars, over and above the large cost of developing the underlying individual proprietary report information."

We have reviewed your submittal and the material in accordance with the requirements of 10 CFR 2.790 and, on the basis of GE's statements, have determined that the submitted information sought to be withheld contains trade secrets or proprietary commercial information and should be withheld from public disclosure.

Therefore, we have determined that the documents entitled,

  • Quad Cities Nuclear Power Station, Units 1 and 2, Containment Analysis for Long-Term NPSH Evaluation with ANS 5.1-1979 + 2 Sigma Decay Heat," marked as proprietary will be withheld from public disclosure pursuant to 10 CFR 2.790(b)(5) and Section 103(b) of the Atomic Energy Act of 1954, as amended.

Withholding from public inspection shall not affect the right, if any, of persons properly and directly concerned to inspect the document. If the need arises, we may send copies of this information to our consultants working in this area. We will, of course, insure that the consultants have signed the appropriate agreements for handling proprietary information.

If the basis for withholding this information from public inspection should change in the future such that the information could then be made available for public inspection, you should promptly notify the NRC. You should also understand that the NRC may have cause to review this determination in the future, for example, if the scope of a Freedom of information Act request includes your information. In all review situations, if the NRC needs additional information from you or makes a determination adverse to the above, you will be notified in advance of any public disclosure.

Sincerely, r

coert M. Pulsifer, et Manager Project Directorate ill-2 Division of Reactor Projects - lil/IV Office of Nuclear Reactor Regulation l

j Docket Nos. 50-254,50-265 cc: see next page I

I l

O. Kingsley Quad Cities Nuclear Power Station.

Commonwealth Edison Company Units 1 and 2 cc:

MichaelI. Miller, Esquire Vice President - Law and Sidley and Austin Regulatory Affairs l

One First National Plaza MidAmerican Energy Company Chicago, Illinois 60603 One River Center Place 106 E. Second Street Commonwealth Edison Company P.O. Box 4350 Quad Cities Station Manager Davenport, Iowa 52808 l

22710 206th Avenue N.

Cordova, Illinois 61242-9740 Document Control Desk-Licensing Commonwe,alth Edison Company U.S. Nuclear Regulatory Commission 1400 Opus Place, Suite 400 Quad Cities Resident inspectors Office Downers Grove, Illinois 60515 22712 206th Avenue N.

Cordova, Illinois 61242 Mr. David Helwig Senior Vice President Chairman Commonwealth Edison Company Rock Island County Board Executive Towers West lll of Supervisors 1400 Opus Place, Suite 900 1504 3rd Avenue Downers Grove, IL 60515 Rock Island County Office Bldg.

Rock Island, Illinois 61201 Mr. Gene H. Stanley PWR's Vice President lilinois Departrnent of Nuclear Safety Commonwealth Edison Company Office of Nuclear Facility Safety Executive Towers West lll 1035 Outer Park Drive 1400 Opus Place, Suite 900 Springfield, Illinois 62704 Downers Grove,IL 60515 Regional Administrator Mr. Steve Perry U.S. NRC, Region lli BWR's Vice President 801 Warrenville Road Commonwealth Edison Company Lisle, Illinois 60532-4351 Executive Towers West til 1400 Opus Place, Suite 900 William D. Leach Downers Grove,IL 60515 Manager-Nuclear MidAmerican Energy Company Mr. Dennis Farrar 907 Walnut Street Regulatory Services Manager j

P.O. Box 657 Commonwealth Edison Company Des Moines, Iowa 50303 Executive Towers West 111 1400 Opus Place, Suite 500 Commonwealth Edison Company Downers Grove,IL 60515 1

Site Vice President-Quad Cites 22710 206th Avenue N.

Cordova, Illinois 61242-9740 l

I

.r.

I O. Kingsley Quad Cities Nuclear Power Plant Commonwealth Edison Company Units 1 and 2 l

Ms. Irene Johnson, Licensing Director Nuclear Regulatory Services Commonwealth Edison Company l

l Executive Towers West 111 l

1400 Opus Place, Suite 500 i

Downers Grove,IL 60515 l

Commonwealth Edison Company Reg. Assurance Supervisor-Quad Cities 22710 206th Avenue N.

Cordova, Illinois 61242-9740 Mr. Michael J. Wallace i

Senior Vice President Commonwealth Edison Company Executive Towers West 111 1400 Opus Place, Suite 900 Downers Grove,IL 60515 I

David J. Robare General Electric Company 175 Curtner Avenue l

San Jose, Califomia 95125 l

l i

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