ML20050B491: Difference between revisions

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| number = ML20050B491
| number = ML20050B491
| issue date = 03/29/1982
| issue date = 03/29/1982
| title = Responds to NRC 810924 Ltr Re Mark II Containment Program. Analyses Performed to Design Basis Loads Considered Conservative & Therefore Not Necessary to Perform Analysis to NUREG-0808 Loads
| title = Responds to NRC Re Mark II Containment Program. Analyses Performed to Design Basis Loads Considered Conservative & Therefore Not Necessary to Perform Analysis to NUREG-0808 Loads
| author name = Borgmann E, Borgmann E
| author name = Borgmann E, Borgmann E
| author affiliation = CINCINNATI GAS & ELECTRIC CO.
| author affiliation = CINCINNATI GAS & ELECTRIC CO.
Line 12: Line 12:
| case reference number = RTR-NUREG-0528, RTR-NUREG-0808, RTR-NUREG-528, RTR-NUREG-808
| case reference number = RTR-NUREG-0528, RTR-NUREG-0808, RTR-NUREG-528, RTR-NUREG-808
| document report number = NUDOCS 8204050388
| document report number = NUDOCS 8204050388
| title reference date = 09-24-1981
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE, UTILITY TO NRC
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE, UTILITY TO NRC
| page count = 2
| page count = 2
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=Text=
=Text=
{{#Wiki_filter:__
{{#Wiki_filter:__
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Mr. !!arold Denton, Director                 N Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C. 20555 RE: WM. II . ZIMIiER NUCLEAR POWER STATION -
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Docket No. 50-358 March 29, 1982 rec s
s/
N Mr. !!arold Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C.
20555 RE: WM. II. ZIMIiER NUCLEAR POWER STATION -
UNIT 1 - MARK II CONTAINMENT PROGRAM
UNIT 1 - MARK II CONTAINMENT PROGRAM


==Dear Mr. Denton:==
==Dear Mr. Denton:==
 
This is in response to the NRC {{letter dated|date=September 24, 1981|text=letter dated September 24, 1981}} from Mr. Darrell G. Eisenhut to Mr. Earl A. Borgmann.
This is in response to the NRC letter dated September 24, 1981 from Mr. Darrell G. Eisenhut to Mr. Earl A. Borgmann. Pages 6-4 and 6-14 of Supplement No. 1 of the Zimmer SER (NUREG-0528) state that the design basis empirical loads are an acceptable design basic.     The design basis empirical loads were developed conservatively to ensure a high margin of safety which would accommodate any future changes in pool dynamic loads that might occur as a result of the Staff's continued review of the new 4TCO data. The analyses performed to the design basis loads for the Zimmer Plant are conservative and, therefore, it is not necessary to perform an analysis to the NUREG-0808 loads.
Pages 6-4 and 6-14 of Supplement No. 1 of the Zimmer SER (NUREG-0528) state that the design basis empirical loads are an acceptable design basic.
The NRC memorandum to W. Butler from F. Eltawila dated January 20, 1982 states that the Zimmer load specifications are more conservative than the lead plant specifications.                 This memorandum also states that the lead plant specifications for chugging are conservative and acceptable. This also indicates that further analysis for the Zimmer Plant is not required.
The design basis empirical loads were developed conservatively to ensure a high margin of safety which would accommodate any future changes in pool dynamic loads that might occur as a result of the Staff's continued review of the new 4TCO data.
The analyses performed to the design basis loads for the Zimmer Plant are conservative and, therefore, it is not necessary to perform an analysis to the NUREG-0808 loads.
The NRC memorandum to W. Butler from F. Eltawila dated January 20, 1982 states that the Zimmer load specifications are more conservative than the lead plant specifications.
This memorandum also states that the lead plant specifications for chugging are conservative and acceptable.
This also indicates that further analysis for the Zimmer Plant is not required.
An analysis has already been performed to compare the Zimmer empirical loads to the lead plant (4TCO) condensation oscillation and ch.igging loads as referenced in the Zimmer DAR, Appendix I, " Lead Plant CO and Chugging Definition Report".
An analysis has already been performed to compare the Zimmer empirical loads to the lead plant (4TCO) condensation oscillation and ch.igging loads as referenced in the Zimmer DAR, Appendix I, " Lead Plant CO and Chugging Definition Report".
From these comparisons, it is obvious that the Zimmer empirical loads do provide a conservative design basis which will                               ,
From these comparisons, it is obvious that the Zimmer empirical loads do provide a conservative design basis which will accommodate all postulated Mark II steam condensation loads.
accommodate all postulated Mark II steam condensation loads.                           l K O hh0kB PDR gQ\
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To:   Mr. Harold Denton, Director                             March 29, 1982     II(;
To:
Nl Re:   Wm. H. Zimmer Nuclear Power Station -                       Page 12             14 Unit 1 - Mark II Containment Program                                         ']O Based on all of the above information, it is the applicant's position that the Zimmer Plant does not need to perform any further confirmatory analysis for the NUREG-0808                                 .
Mr. Harold Denton, Director March 29, 1982 II(;
loads.
Nl Re:
Wm. H. Zimmer Nuclear Power Station -
Page 12 14 Unit 1 - Mark II Containment Program
']O Based on all of the above information, it is the applicant's position that the Zimmer Plant does not need to perform any further confirmatory analysis for the NUREG-0808 loads.
Very truly yours, THE CINCINNATI GAS & ELECTRIC COMPANY
Very truly yours, THE CINCINNATI GAS & ELECTRIC COMPANY
                                                            -r           n E. A. BORGMANN EAB: dew cc:   John H. Frye III M. Stanley Livingston Frank F. Hooper Troy B. Conner, Jr.
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James P. Fenstermaker Steven G. Smith William J. Moran J. Robert Newlin Samuel H. Porter B. Ralph Sylvia James D. Flynn                                                                           ,
E. A. BORGMANN EAB: dew cc:
W. F. Christianson                                                                     l James H. Feldman, Jr.
John H. Frye III M.
John D. Woliver Debora.. F. Webb David K. Martin Geor$- E. Pattison Andrew B. Dennison State of Ohio       )
Stanley Livingston Frank F. Hooper Troy B. Conner, Jr.
County of Hamilton)ss                                                                         ;
James P. Fenstermaker Steven G.
Sworn to and subscribed before me this                   ? ''     day of March, 1982.
Smith William J. Moran J. Robert Newlin Samuel H. Porter B. Ralph Sylvia James D. Flynn W. F. Christianson James H. Feldman, Jr.
(d. . . -      )!'   d. c wek.
John D. Woliver Debora.. F. Webb David K. Martin Geor$-
E. Pattison Andrew B. Dennison State of Ohio
)
County of Hamilton)ss Sworn to and subscribed before me this
? ''
day of March, 1982.
(d.
)!'
: d. c wek.
Notary Public ALICE M. LEURCK Notary Pubhe, State of ONo
Notary Public ALICE M. LEURCK Notary Pubhe, State of ONo
                                          )lp Conmission ispires Decemtte 16 Iffi}}
)lp Conmission ispires Decemtte 16 Iffi}}

Latest revision as of 10:03, 18 December 2024

Responds to NRC Re Mark II Containment Program. Analyses Performed to Design Basis Loads Considered Conservative & Therefore Not Necessary to Perform Analysis to NUREG-0808 Loads
ML20050B491
Person / Time
Site: Zimmer
Issue date: 03/29/1982
From: Borgmann E, Borgmann E
CINCINNATI GAS & ELECTRIC CO.
To: Harold Denton
Office of Nuclear Reactor Regulation
References
RTR-NUREG-0528, RTR-NUREG-0808, RTR-NUREG-528, RTR-NUREG-808 NUDOCS 8204050388
Download: ML20050B491 (2)
v • d • e


Text

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l J.

a THE CINCINNATI GAS & ELECTP.IC- -

ANY WL

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/

d o)

CINCINNATI. OHIO 4520t e

z C. A. BORGM ANN 11 T

APR2 igggw.-

_9 %Qtp [p/

Docket No. 50-358 March 29, 1982 rec s

s/

N Mr. !!arold Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, D.C.

20555 RE: WM. II. ZIMIiER NUCLEAR POWER STATION -

UNIT 1 - MARK II CONTAINMENT PROGRAM

Dear Mr. Denton:

This is in response to the NRC letter dated September 24, 1981 from Mr. Darrell G. Eisenhut to Mr. Earl A. Borgmann.

Pages 6-4 and 6-14 of Supplement No. 1 of the Zimmer SER (NUREG-0528) state that the design basis empirical loads are an acceptable design basic.

The design basis empirical loads were developed conservatively to ensure a high margin of safety which would accommodate any future changes in pool dynamic loads that might occur as a result of the Staff's continued review of the new 4TCO data.

The analyses performed to the design basis loads for the Zimmer Plant are conservative and, therefore, it is not necessary to perform an analysis to the NUREG-0808 loads.

The NRC memorandum to W. Butler from F. Eltawila dated January 20, 1982 states that the Zimmer load specifications are more conservative than the lead plant specifications.

This memorandum also states that the lead plant specifications for chugging are conservative and acceptable.

This also indicates that further analysis for the Zimmer Plant is not required.

An analysis has already been performed to compare the Zimmer empirical loads to the lead plant (4TCO) condensation oscillation and ch.igging loads as referenced in the Zimmer DAR, Appendix I, " Lead Plant CO and Chugging Definition Report".

From these comparisons, it is obvious that the Zimmer empirical loads do provide a conservative design basis which will accommodate all postulated Mark II steam condensation loads.

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To:

Mr. Harold Denton, Director March 29, 1982 II(;

Nl Re:

Wm. H. Zimmer Nuclear Power Station -

Page 12 14 Unit 1 - Mark II Containment Program

']O Based on all of the above information, it is the applicant's position that the Zimmer Plant does not need to perform any further confirmatory analysis for the NUREG-0808 loads.

Very truly yours, THE CINCINNATI GAS & ELECTRIC COMPANY

-r n

E. A. BORGMANN EAB: dew cc:

John H. Frye III M.

Stanley Livingston Frank F. Hooper Troy B. Conner, Jr.

James P. Fenstermaker Steven G.

Smith William J. Moran J. Robert Newlin Samuel H. Porter B. Ralph Sylvia James D. Flynn W. F. Christianson James H. Feldman, Jr.

John D. Woliver Debora.. F. Webb David K. Martin Geor$-

E. Pattison Andrew B. Dennison State of Ohio

)

County of Hamilton)ss Sworn to and subscribed before me this

?

day of March, 1982.

(d.

)!'

d. c wek.

Notary Public ALICE M. LEURCK Notary Pubhe, State of ONo

)lp Conmission ispires Decemtte 16 Iffi

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