MNS-16-021, Submittal of Annual Commitment Change Report

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Submittal of Annual Commitment Change Report
ML16092A069
Person / Time
Site: Mcguire, McGuire  Duke Energy icon.png
Issue date: 03/17/2016
From: Capps S
Duke Energy Carolinas
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
MNS-16-021
Download: ML16092A069 (3)


Text

Steven D. Capps Vice President McGuire Nuclear Station Duke Energy MG01VP I 12700 Hagers Ferry Road Huntersville, NC 28078 o: 980.875.4805 f: 704.875.4809 Steven.Capps@duke-energy.com Serial No: MNS-16-021 March 17, 2016 U.S. Nuclear Regulatory Commission Washington, DC 20555-001 ATTENTION: Document Control Desk

Subject:

Duke Energy Carolinas, LLC (Duke Energy)

McGuire Nuclear Station, Units 1 and 2 Docket No. 50-369, 50-370 Renewed License No. NPF-9 and NPF-17 Annual Commitment Change Report Attached is the summary of commitment changes completed at McGuire Nuclear Station during the 2015 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 Brian Richards at (980) 875-5171.

Sincerely,

~tD~

Steven D. Capps Attachment

U.S. Nuclear Regulatory Commission March 17, 2016 Page 2 cc w/ Attachments:

C. Haney Administrator, Region II U.S. Nuclear Regulatory Commission Marquis dne Tower 245 Peachtree Center Ave., NE, Suite 1200 Atlanta, GA 30303-1257 J. Zeiler NRG Senior Resident Inspector McGuire Nuclear Station G. E. Miller, Project Manager U.S. Nuclear Regulatory Commission 11555 Rockville Pike Mail Stop 0-8 G9A Rockville, MD 20852-2738

Attachment 1 Page 1 of 1 McGuire Nuclear Station Commitment Change Summary Report Docket Nos. 50-369 and 50-370 NUMBER SOURCE ORIGINAL COMMITMENT MODIFIED COMMITMENT DOCUMENT 2015-M-001 Letter dated "At the North end of the "The spent fuel pool has a February 23, spent fuel pool a downcomer downcomer space in a 2007 space of a contiguous area contiguous area of greater of approximately 5 square than 5 square meters that is meters is maintained open maintained open between the between the spent fuel pool spent fuel pool racks and the racks and the wall of the wall of the pool."

pool."

2015-M-002 MNS "Based on a Safety Analysis "From the revised Safety Commitment Calculation, the operator has Analysis calculation, the Change 2010-M- approximately 10 minutes to operator has approximately 002, letter dated mitigate a boron dilution 10 minutes to mitigate a 2/24/2011 event in Modes 3, 4 and 5 boron dilution event in Modes based on a maximum 3, 4, and 5 based on a average makeup flowrate of maximum average makeup 120 gpm and a Safety flowrate of 120 gpm and a Injection (NI) Source Range source range neutron flux alarm setpoint of 1/2 decade monitor alarm setpoint of above backQround."  ::;;; 2.12 times backQround."

2015-M-003 LER 369/2014- "Each Refueling Outage, "Perform leakage testing of 02 (dated pressure test unit-specific unit-specific valves Nl-9A and 11/24/2014), valves Nl-9A and Nl-1 OB to Nl-1 OB on a 3R frequency."

Planned Action 1 determine and ensure acceptable leakage rates are obtained for the valves.

Alternate methods of verification can be used if they provide high confidence of acceptable in-leakage during plant operation."

Steven D. Capps Vice President McGuire Nuclear Station Duke Energy MG01VP I 12700 Hagers Ferry Road Huntersville, NC 28078 o: 980.875.4805 f: 704.875.4809 Steven.Capps@duke-energy.com Serial No: MNS-16-021 March 17, 2016 U.S. Nuclear Regulatory Commission Washington, DC 20555-001 ATTENTION: Document Control Desk

Subject:

Duke Energy Carolinas, LLC (Duke Energy)

McGuire Nuclear Station, Units 1 and 2 Docket No. 50-369, 50-370 Renewed License No. NPF-9 and NPF-17 Annual Commitment Change Report Attached is the summary of commitment changes completed at McGuire Nuclear Station during the 2015 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 Brian Richards at (980) 875-5171.

Sincerely,

~tD~

Steven D. Capps Attachment

U.S. Nuclear Regulatory Commission March 17, 2016 Page 2 cc w/ Attachments:

C. Haney Administrator, Region II U.S. Nuclear Regulatory Commission Marquis dne Tower 245 Peachtree Center Ave., NE, Suite 1200 Atlanta, GA 30303-1257 J. Zeiler NRG Senior Resident Inspector McGuire Nuclear Station G. E. Miller, Project Manager U.S. Nuclear Regulatory Commission 11555 Rockville Pike Mail Stop 0-8 G9A Rockville, MD 20852-2738

Attachment 1 Page 1 of 1 McGuire Nuclear Station Commitment Change Summary Report Docket Nos. 50-369 and 50-370 NUMBER SOURCE ORIGINAL COMMITMENT MODIFIED COMMITMENT DOCUMENT 2015-M-001 Letter dated "At the North end of the "The spent fuel pool has a February 23, spent fuel pool a downcomer downcomer space in a 2007 space of a contiguous area contiguous area of greater of approximately 5 square than 5 square meters that is meters is maintained open maintained open between the between the spent fuel pool spent fuel pool racks and the racks and the wall of the wall of the pool."

pool."

2015-M-002 MNS "Based on a Safety Analysis "From the revised Safety Commitment Calculation, the operator has Analysis calculation, the Change 2010-M- approximately 10 minutes to operator has approximately 002, letter dated mitigate a boron dilution 10 minutes to mitigate a 2/24/2011 event in Modes 3, 4 and 5 boron dilution event in Modes based on a maximum 3, 4, and 5 based on a average makeup flowrate of maximum average makeup 120 gpm and a Safety flowrate of 120 gpm and a Injection (NI) Source Range source range neutron flux alarm setpoint of 1/2 decade monitor alarm setpoint of above backQround."  ::;;; 2.12 times backQround."

2015-M-003 LER 369/2014- "Each Refueling Outage, "Perform leakage testing of 02 (dated pressure test unit-specific unit-specific valves Nl-9A and 11/24/2014), valves Nl-9A and Nl-1 OB to Nl-1 OB on a 3R frequency."

Planned Action 1 determine and ensure acceptable leakage rates are obtained for the valves.

Alternate methods of verification can be used if they provide high confidence of acceptable in-leakage during plant operation."