B13469, Provides Addl Info Requested to Clarify Changes Proposed to Tech Spec Action Statements for Inoperable Accumulator
| ML20012B411 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 03/02/1990 |
| From: | Mroczka E NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20012B412 | List: |
| References | |
| B13469, NUDOCS 9003140354 | |
| Download: ML20012B411 (3) | |
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March 2, 1990-1-
Docket No. 50-423 B13469 Re:
U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555
Reference:
(1)
E. J.
Mroczka' letter to the U.S.
Nuclear Regulatory Commission, " Millstone Nuclear Power Station, Unit No. 3, Proposed Revision to Technical Specifications, Accumu-lators," dated December 11, 1989.
Gentlemen:
Millstone Nuclear Power Station, Unit No. 3 Proposed Revision to Technical Specifications. Accumulators By "B13110, Application for Amend to License NPF-49,extending Interval That Accumulator Can Be Inoperable,Due to [[Atomic Element" contains a listed "[" character as part of the property label and has therefore been classified as invalid. Concentration Outside Required Limit or for Reason Other than Closed Isolation Valve from 1 H to 72 H|letter dated December 11,1989]] (Reference (1)), Northeast Nuclear Energy
-Company (NNECO). submitted a proposed ' revision to the Technical Specifications for Millstone Unit No. 3.
In a subsequent discussion with the NRC Staff,
- additional information was requested to clarify the changes proposed to the Action Statements. for an inoperable accumulator.
The purpose of this submit-tal is-to provide the Staff with the requested information.
The proposed changes, transmitted in Reference (1), would allow 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> to restore the inoperable accumulator (proposed ACTION statement 'a'), except as a result of a closed isolation valve or boron concentration, or 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />
-(proposed: ACTION statement
'c') if the inoperability is due to the boron concentration not being within the limits.
These proposed changes are being combined into a single ACTION statement.
Specifically, the revised proposed
' ACTION statement 'a' will allow 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> to restore the inoperable accumulator, except as a result of a' closed isolation valve.
It should-be noted that the significant hazards consideration discussion previously included in the "B13110, Application for Amend to License NPF-49,extending Interval That Accumulator Can Be Inoperable,Due to [[Atomic Element" contains a listed "[" character as part of the property label and has therefore been classified as invalid. Concentration Outside Required Limit or for Reason Other than Closed Isolation Valve from 1 H to 72 H|December 11, 1989, letter]] is still applicable for the above revised change. The revised Technical Specification page is provid-ed inLAttachment 1.
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B13469/Page 2 March 2, 1990 We trust the Staff finds this additional information helpful.
Should you have any additional questions, please contact our licensing representative direct-ly.
Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY l'& W E. J. MrK zka
/
Senior Vice President cc:
W. T. Russell, Region I Administrator D. H. Jaffe, NRC Project Manager, Millstone Unit No. 3 l
W. J. Raymond,-Senior Resident Inspector, Millstone Unit Nos. 1, 2, and 3 Mr. Kevin McCarthy, Director Radiation Control Unit Department of Environmental Protection Hartford, Ct C5116 STATE OF CONNECTICUT)
) ss. Berlin COUNTY OF HARTFORD )
Then personally appeared before me, E. J. Mroczka, who being duly sworn, did state that he is Senior Vice President of Northeast Nuclear Energy Company, a l
Licensee herein, that he is authorized to execute and file the foregoing information -in the name and on behalf of the Licensee herein, and that the statements contained in said information are true and correct to the best of l
his knowledge and belief.
Iwrm On Sheltc(%
l Notary Public l
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i Docket No. 50-423 i
B13469 l
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Millstone Nuclear Power Station, Unit No. 3-Proposed Revision to Technical Specifications Accumulators
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