ML20236H555: Difference between revisions

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| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE, UTILITY TO NRC
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE, UTILITY TO NRC
| page count = 2
| page count = 2
| project =  
| project = TAC:65585
| stage = Request
| stage = Request
}}
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l The proposed changes are being submitted to make the Main Steam Isolation                      i Valve (MSIV) closure time requirements consistent throughout the Technica*                    i Specifications under the assumptions made in analyses contained in the Updated Safety Analysis Report ('USAR) . The changes also eliminate Tech-nical Specification requirements where they are not needed.to satisfy the                      j assumptions made in the USAR, while still ensuring complete compliance with                    I the requirements of 10CFR50, Appendix A: General Design Criteria for Nuclear Power Plants. The elimination of these unnecessary requirements from the                      j Technical Specifications will facilitate future plant modifications for-improving plant reliability through the. removal of unnecessary redundant                      !
l The proposed changes are being submitted to make the Main Steam Isolation                      i Valve (MSIV) closure time requirements consistent throughout the Technica*                    i Specifications under the assumptions made in analyses contained in the Updated Safety Analysis Report ('USAR) . The changes also eliminate Tech-nical Specification requirements where they are not needed.to satisfy the                      j assumptions made in the USAR, while still ensuring complete compliance with                    I the requirements of 10CFR50, Appendix A: General Design Criteria for Nuclear Power Plants. The elimination of these unnecessary requirements from the                      j Technical Specifications will facilitate future plant modifications for-improving plant reliability through the. removal of unnecessary redundant                      !
automatic functions from components. This submittal satisfies the' commit-                    ;
automatic functions from components. This submittal satisfies the' commit-                    ;
ment Toledo Edison made in a letter dated December 22, 1986 (Serial                            l No. 1-698) to clarify the MSIV response times listed throughout the Technical Specifications.
ment Toledo Edison made in a {{letter dated|date=December 22, 1986|text=letter dated December 22, 1986}} (Serial                            l No. 1-698) to clarify the MSIV response times listed throughout the Technical Specifications.
h P                                                                                05 THE TOLEDO EDISON COMPANY    EDISON PLAZA  300 MADISON AVENUE  TOLEDO, OHIO 43652 fEC'b s>lcitt$
h P                                                                                05 THE TOLEDO EDISON COMPANY    EDISON PLAZA  300 MADISON AVENUE  TOLEDO, OHIO 43652 fEC'b s>lcitt$
s= eawm              --      - - - - . _a
s= eawm              --      - - - - . _a

Latest revision as of 05:18, 20 March 2021

Forwards Application for Amend to License NPF-3,revising Tech Spec Re MSIV Closure Time.Fee Paid
ML20236H555
Person / Time
Site: Davis Besse Cleveland Electric icon.png
Issue date: 07/27/1987
From: Shelton D
TOLEDO EDISON CO.
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
Shared Package
ML20236H557 List:
References
1387, TAC-65585, YAC-65585, NUDOCS 8708050245
Download: ML20236H555 (2)


Text

l l

TOLEDO

%ss EDISON Docket No. 50-346 DONALD C. SHELTON Vce Presdent-Ntdner

)

(419)249 2399 License No. NPF-3 Serial No. 1387 July 27, 1987 j l

United States Nuclear Regulatory Commission Document Control DesP Washington, D. C. 20)55 i

Subject:

License Amendment Application to Revise MSIV Tech Spec Closure Time Gentlemen:

Enclosed is an application for an Amendment to Facility Operating License No. NPF-3 for the Davis-Bessa Nuclear Power Station, Unit No. 1.

The enclosed application requests that the Davis-Besse Nuclear Power j Station, Unit No. 1 Operating License, Appendix A, Technical Specifica-tions be revised to reflect the changes attached. The proposed changes ]

involve Section 3/4.3.2, Table 3.3-5 Safety Features System Response Times; Section 3/4.3.2, Table 3.3-13, Steam and Feedwater Rupture Control System Response Times; Section 3/4.6.3, Table 3.6-2, Containment Isolation Valves; and Section 3/4.7.1, Specification 4.7.1.5, Main Steam Line Isolation Valves.

l The proposed changes are being submitted to make the Main Steam Isolation i Valve (MSIV) closure time requirements consistent throughout the Technica* i Specifications under the assumptions made in analyses contained in the Updated Safety Analysis Report ('USAR) . The changes also eliminate Tech-nical Specification requirements where they are not needed.to satisfy the j assumptions made in the USAR, while still ensuring complete compliance with I the requirements of 10CFR50, Appendix A: General Design Criteria for Nuclear Power Plants. The elimination of these unnecessary requirements from the j Technical Specifications will facilitate future plant modifications for-improving plant reliability through the. removal of unnecessary redundant  !

automatic functions from components. This submittal satisfies the' commit-  ;

ment Toledo Edison made in a letter dated December 22, 1986 (Serial l No. 1-698) to clarify the MSIV response times listed throughout the Technical Specifications.

h P 05 THE TOLEDO EDISON COMPANY EDISON PLAZA 300 MADISON AVENUE TOLEDO, OHIO 43652 fEC'b s>lcitt$

s= eawm -- - - - - . _a

Docket No. 50-346 License No. NPF-3 Serial No. 1387 Page 2 Toledo Edison requests that this amendment be approved and issued by October 31, 1987, and effective 30 days thereafter.

Enclosed is a check for $150 as required by 10CFR170.12(c) for a License Amendment application.

Very tr y yours, y

JSL:p1f Enclosures cc: DB-1 NRC Resident Inspector A. B. Davis, Regional Administrator (2 copies)

State of Ohio A. W. DeAgazio, NRR Project Manager