ML031900236

Additional Information Concerning License Amendment Request for Low Temperature Overpressure Protection System 2.4.12, Surveillance Requirement 3.4.1.5 TS Change Number 2002-09

ML031900236
Person / Time
Site:	Oconee
Issue date:	07/01/2003
From:	Rosalyn Jones Duke Power Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML031900236 (3)

Text

^ Duke R. A. JONES c rPower. Vice President A Duke Energy Company Duke Power 29672 / Oconee Nuclear Site 7800 Rochester Highway Seneca, SC 29672 864 885 3158 July 1, 2003 864 885 3564 fax U. S. Nuclear Regulatory Commission Washington, D. C. 20555 Attention: Document Control Desk

Subject:

Oconee Nuclear Station Docket Numbers 50-269, 270, and 287 Additional Information Concerning License Amendment Request for Low Temperature Overpressure Protection System 3.4.12, Surveillance Requirement 3.4.12.5 Technical Specification Change (TSC) Number 2002-09 On April 10, 2003, Duke Energy Corporation (Duke) submitted a request to revise Technical Specification (TS) 3.4.12, Surveillance Requirement (SR) 3.4.12.5. As a result of conversations between Duke and Nuclear Regulatory Commission (NRC) personnel, the following information is provided to clarify the requirements associated with the proposed change to SR 3.4.12.5.

Currently, SR 3.4.12.5 is required to be performed within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after decreasing Reactor Coolant System (RCS) temperature to < 325-F and every 31 days thereafter. This frequency does not require the first performance of the SR until within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after entry into the mode of applicability. Following this first performance, the SR is required to be performed on a 31 day frequency.

The proposed frequency for SR 3.4.12.5 is 31 days, without the caveat of being able to delay performance until 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after entering the mode of applicability. As stated in both Oconee TS and NUREG-1430, Volume 1, Revision 2, Section 1.4, Example 1.4.1, if the interval as specified is exceeded while the unit is not in a mode or other specified condition in the Applicability of the Limiting Condition for Operation for which performance of the SR is required, the surveillance must be performed within the frequency requirements prior to entry into the mode or other specified condition.

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U. S. Nuclear Regulatory Commission July 1, 2003 Page 2 Consequently, specifying a frequency of 31 days will require that this SR be met prior to entry into the mode of applicability. As current TS allow a 12 hour1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> delay in performance of the SR, this requested change is conservative in that it will require that the SR be met prior to entering into the mode of applicability.

If there are any additional questions, please contact Noel Clarkson at (864) 885-3077.

Very ly yours, R A zJoes, Vice President Oconee Nuclear Site

U. S. Nuclear Regulatory Commission July 1, 2003 Page 3 cc: Mr. L. N. Olshan, Project Manager Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Mail Stop 0-14 H25 Washington, D. C. 20555 Mr. L. A. Reyes, Regional Administrator U. S. Nuclear Regulatory Commission - Region II Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303 Mr. M. C. Shannon Senior Resident Inspector Oconee Nuclear Station Mr. Henry Porter, Director Division of Radioactive Waste Management Bureau of Land and Waste Management Department of Health & Environmental Control 2600 Bull Street Columbia, SC 29201