ML110670167
| ML110670167 | |
| Person / Time | |
|---|---|
| Site: | McGuire, Mcguire  |
| Issue date: | 02/24/2011 |
| From: | Repko R Duke Energy Carolinas |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML110670167 (3) | |
Text
Duke OEnergyo REGIS T. REPKO Vice President McGuire Nuclear Station Duke Energy MG01 VP / 12700 Hagers Ferry Rd.
Huntersville, NC 28078 980-875-4111 980-875-4809 fax regis. repko@duke-energy. com February 24, 2011 U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555-0001
Subject:
Duke Energy Carolinas, LLC McGuire Nuclear Station, Units 1 and 2 Docket Nos. 50-369, 50-370 Annual Commitment Change Report Attached is a summary report of commitment changes for McGuire Nuclear Station completed during the 2010 calendar year. These changes were made per the guidance defined in NEI 99-04, "Guidelines for Managing NRC Commitments" and have no adverse effect on compliance with NRC rules or regulations.
Questions regarding this submittal should be directed to Kay Crane, McGuire Regulatory Compliance at (980) 875-4306.
Regis T. Repko Attachment C)01 www. duke-energy. corn
U. S. Nuclear Regulatory Commission February 24, 2011 Page 2 xc:
Mr. Victor McCree U. S. Nuclear Regulatory Commission, Region II Marquis One Tower 245 Peachtree Center Ave., NE, Suite 1200 Atlanta, GA 30303 Mr. Jon Thompson U. S. Nuclear Regulatory Commission Office of Nuclear Reactor Regulation Washington, DC 20555-0001 Mr. Joe Brady NRC Senior Resident Inspector McGuire Nuclear Station
McGuire Nuclear Station Cornrnmitment Change Summary Report Docket Nos. 369 and 370 NUMBER SOURCE ORIGINAL COMMITMENT MODIFIED COMMITMENT DOCUMENT 201 0-M-002 Duke letter dated During startup and shutdown, the Based oil a Safety Analysis April 4, 1978, SER applicant will rely on the source Calculation, the operator has Supplement I dated range high flux alarm to alert the approximately 10 minutes to May 1, 1978 operator that a dilution event is mitigate a boron dilution event in occurring; thereafter lie has Modes 3, 4 and 5 based on a approximately 26 minutes to maximum average makeup determine the event before all flowrate of 120 gpm and a Safety shutdown margin is lost. This Injection (NI) Source Range alarm assessment is based on setting the setpoint of 1/2 decade above alarm at a level 5 times the background.
background level.
I