ML12109A285

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Unit 2, Ufsar/Selected Licensee Commitment Changes
ML12109A285
Person / Time
Site: Catawba  Duke Energy icon.png
Issue date: 04/16/2012
From: Morris J
Duke Energy Carolinas
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML12109A285 (15)
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JAMES R. MORRIS Duke Vice President OEnergye Duke Energy Corporation Catawba Nuclear Station 4800 Concord Road York, SC 29745 803-701-4251 803-701-3221 fax April 16, 2012 U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555-0001

Subject:

Duke Energy Carolinas, LLC Catawba Nuclear Station, Unit 1 and Unit 2 Docket Nos. 50-413 and 50-414 UFSAR/Selected Licensee Commitment Changes Pursuant to 10CFR 50.7.1(e), please find attached changes to the Catawba Nuclear Station Selected Licensee Commitments Manual. This document constitutes Chapter 16 of the Updated Final Safety Analysis Report (UFSAR).

Any questions regarding this information should be directed to Larry Rudy, Regulatory Compliance, at (803) 701-3084.

I certify that I am a duly authorized officer of Duke Energy Carolinas, LLC, and that the information contained herein accurately represents changes made to Chapter 16 of the UFSAR since the previous submittal.

James R. Morris Attachment Accm www. duke-energy. com

U.S. Nuclear Regulatory Commission April 16, 2012 Page 2 xc: V. M. McCree, Regional Administrator U. S. Nuclear Regulatory Commission Region II Marquis One Tower 245 Peachtree Center Ave., NE Suite 1200 Atlanta, GA 30303-1257 J. H. Thompson NRC Project Manager (CNS)

U.S. Nuclear Regulatory Commission One White Flint North, Mail Stop 8-G9A 11555 Rockville Pike Rockville, MD 20852-2738 G. A. Hutto, Senior Resident Inspector Catawba Nuclear Station I

U.S. Nuclear Regulatory Commission April 16, 2012 Page 3 bxc: w/o attachment NCMPA-1 NCEMC PMPA w/attachment Electronic Licensing Library EC050 RGC File CN01RC Master File CN-801.01 CN04DM

DueDUKE D k ENERGY CORPORATION Catawba Nuclear Station Energy 4800 Concord Rd.

York, SC 29745 April 16, 2012 Re: Catawba Nuclear Station Selected Licensee Commitments Manual Revision Dates: 04/11/2012 Attached are revisions to the Catawba Nuclear Station Selected Licensee Commitments Manual. Please remove and replace the following pages:

REMOVE THESE PAGES INSERT THESE PAGES LIST OF EFFECTIVE SECTIONS Pages 1 through 4 Pages 1 through 4 Revision 49 Revision 50 TAB 16.7 SLC 16.7-9 SLC 16.7-9 Revision 6 Revision 7 If you have any questions concerning the contents of this package update, contact Kristi Byers at (803)701-3758.

Manager, Regulatory Compliance Attachment www. duke-energy. com

UPDATE INSTRUCTIONS FOR CATAWBA SELECTED LICENSEE COMMITMENTS (SLC)

MANUAL Please update your copy of the Catawba SLC Manual as follows:

Remove Insert List of Effective Sections, Revision 49 List of Effective Sections, Revision 50 16.7-9, Revision 6 16.7-9, Revision 7

LIST OF EFFECTIVE SECTIONS SECTION REVISION NUMBER REVISION DATE TABLE OF CONTENTS 13 03/05/12 16.1 1 08/27/08 16.2 2 08/21/09 16.3 1 08/21/09 16.5-1 2 02/20/12 16.5-2 Deleted 16.5-3 1 02/20/04 16.5-4 0 10/09/02 16.5-5 1 01/28/10 16.5-6 1 08/21/09 16.5-7 0 10/09/02 16.5-8 2 12/22/08 16.5-9 1 02/20/12 16.5-10 Deleted 16.6-1 0 10/09/02 16.6-2 Deleted 16.6-3 1 08/21/09 16.6-4 1 08/21/09 16.6-5 1 08/21/09 16.7-1 1 08/21/09 16.7-2 4 02/03/11 16.7-3 2 02/03/11 16.7-4 2 08/21/09 16.7-5 2 08/21/09 Catawba Units 1 and 2 Page 1 Revision 50

LIST OF EFFECTIVE SECTIONS SECTION REVISION NUMBER REVISION DATE 16.7-6 2 08/21/09 16.7-7 1 08/21/09 16.7-8 2 08/21/09 16.7-9 7 04/11/12 16.7-10 4 10/24/11 16.7-11 08/21/09 16.7-12 21 08/21/09 16.7-13 2 08/21/09 16.7-14 1 08/21/09 3

16.7-15 1 08/21/09 16.7-16 0 06/08/09 16.8-1 3 08/21/09 16.8-2 2 02/20/12 16.8-3 1 10/24/06 16.8-4 2 11/05/07 16.8-5 3 08/21/09 16.9-1 7 10/24/11 16.9-2 5 10/24/11 16.9-3 3 02/03/11 16.9-4 3 08/21/09 16.9-5 6 06/23/10 16.9-6 7 08/21/09 16.9-7 4 08/21/09 16.9-8 5 08/21/09 Catawba Units 1 and 2 Page 2 Revision 50

LIST OF EFFECTIVE SECTIONS SECTION REVISION NUMBER REVISION DATE 16.9-9 3 08/21/09 16.9-10 5 08/21/09 16.9-11 3 08/21/09 16.9-12 2 08/21/09 16.9-13 3 08/21/09 16.9-14 1. 09/25/06 16.9-15 2 08/21/09 16.9-16 2 08/21/09 16.9-17 0 10/09/02 16.9-18 0 10/09/02 16.9-19 3 02/20/12 16.9-20 0 10/09/02 16.9-21 0 10/09/02 16.9-22 1 08/21/09 16.9-23 4 10/24/11 16.9-24 2 10/24/06 16.9-25 2 08/21/09 16.9-26 0 03/05/12 16.10-1 1 08/21/09 16.10-2 1 10/24/06 16.10-3 1 08/21/09 16.11-1 0 10/09/02 16.11-2 3 06/23/10 16.11-3 0 10/09/02 Catawba Units 1 and 2 Page 3 Revision 50

LIST OF EFFECTIVE SECTIONS 0 SECTION 16.11-4 REVISION NUMBER 1

REVISION DATE 08/21/09 16.11-5 0 10/09/02 16.11-6 1 06/08/09 16.11-7 6 10/24/11 16.11-8 0 10/09/02 16.11-9 0 10/09/02 16.11-10 1 08/21/09 16.11-11 1 03/20/03 16.11-12 0 10/09/02 16.11-13 0 10/09/02 16.11-14 0 10/09/02 16.11-15 0 10/09/02 16.11-16 1 10/24/11 16.11-17 0 10/09/02 16.11-18 1 08/21/09 16.11-19 0 10/09/02 16.11-20 1 08/21/09 16.11-21 0 10/09/02 16.12-1 0 10/09/02 16.13-1 0 10/09/02 16.13-2 Deleted 16.13-3 Deleted 16.13-4 0 10/09/02 Catawba Units 1 and 2 Page 4 Revision 50

SSS 16.7-9 16.7 INSTRUMENTATION 16.7-9 Standby Shutdown System (SSS)

COMMITMENT The SSS shall be FUNCTIONAL.

APPLICABILITY: MODES 1, 2, and 3.

REMEDIAL ACTIONS

I------------------------------------------------------------

SLC 16.2.3 is not applicable.

CONDITION REQUIRED ACTION COMPLETION TIME A. SSS non-functional. A.1 Restore SSS to 7 days FUNCTIONAL status.

B. Total accumulative B.1 Declare the standby Immediately LEAKAGE from makeup pump non-unidentified LEAKAGE, functional and enter identified LEAKAGE, Condition A.

and reactor coolant pump seal LEAKAGE >

20 gpm.

C. More than one cell in a C.1 Enter Condition A. Immediately 24-Volt battery bank is <

1.36 volts on float charge with no other cells jumpered.

D. Required Action and D.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion Time of Condition A not AND met.

D.2 Be in MODE 4. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> Catawba Units 1 and 2 16.7-9-1 Revision 7

SSS 16.7-9 TESTING REQUIREMENTS TEST FREQUENCY TR 16.7-9-1 Verify that the electrolyte level of each SSS diesel 7 days starting 24-Volt battery is > the low mark and < the high mark.

TR 16.7-9-2 Verify that the overall SSS diesel starting 24-Volt battery 7 days voltage is > 24 volts on float charge.

TR 16.7-9-3 Verify that the requirements of SLC 16.9-21 are met and 7 days the boron concentration in the storage pool is > the minimum specified in the COLR.

TR 16.7-9-4 Verify the fuel level in the SSS diesel generator fuel 31 days storage tank is > 67 inches.

TR 16.7-9-5 Verify the SSS diesel generator starts from ambient 31 days conditions and operates for > 30 minutes at > 700 kW.

TR 16.7-9-6 Verify that the electrolyte level of each SSS 250/125-Volt 31 days battery is above the plates.

TR 16.7-9-7 Verify the total SSS 250/125-Volt battery terminal voltage 31 days is > 258/129 volts on float charge.

TR 16.7-9-8 Perform CHANNEL CHECK of each SSS 31 days instrumentation device.

TR 16.7-9-9 Verify the fuel oil properties of new and stored fuel oil for In accordance with the SSS diesel generator are tested in accordance with, the Diesel Fuel Oil and maintained within the limits of, the Diesel Fuel Oil Testing Program Testing Program.

TR 16.7-9-10 Verify that the SSS diesel starting 24-Volt battery 92 days individual cell voltage is > 1.36 volts on float charge.

(continued)

Catawba Units 1 and 2 16.7-9-2 Revision 7

SSS 16.7-9 TESTING REQUIREMENTS (continued)

TEST FREQUENCY TR 16.7-9-11 Verify that the Standby Makeup Pump's developed head 92 days at the test flow point is > the required developed head, in accordance with the Inservice Testing Program.

TR 16.7-9-12 Verify that the specific gravity of the SSS 250/125-Volt 92 days battery is appropriate for continued service of the battery.

TR 16.7-9-13 Subject the SSS diesel generator to an inspection in 18 months accordance with procedures prepared in conjunction with its manufacturer's recommendations for the class of service.

TR 16.7-9-14 Verify that the SSS diesel starting 24-Volt batteries, cell 18 months plates, and battery racks show no visual indication of physical damage or abnormal deterioration.

TR 16.7-9-15 Verify that the SSS diesel starting 24-Volt battery-to- 18 months battery and terminal connections are clean, tight, and free of corrosion.

TR 16.7-9-16 Verify that the SSS 250/125-Volt batteries, cell plates, 18 months and battery racks show no visual indications of physical damage or abnormal deterioration.

TR 16.7-9-17 Verify that the SSS 250/125-Volt battery-to-battery and 18 months terminal connections are clean, tight, free of corrosion, and coated with anti-corrosion material.

TR 16.7-9-18 Verify that the steam turbine driven auxiliary feedwater 18 months pump and controls from the Standby Shutdown Facility function as designed from the SSS.

TR 16.7-9-19 Perform CHANNEL CALIBRATION of each SSS 18 months instrumentation device.

(continued)

Catawba Units 1 and 2 16.7-9-3 Revision 7

SSS 16.7-9 TESTING REQUIREMENTS (continued) 0 TEST FREQUENCY TR 16.7-9-20 Verify proper installation of pressurizer insulation. 18 months TR 16.7-9-21 Verify pressurizer heaters powered from the SSS have a 18 months capacity of > 65 kW.

BASES The SSS is designed to mitigate the consequences of certain postulated fire, security, and station blackout incidents by providing capability to maintain MODE 3 conditions and by controlling and monitoring vital systems from locations external to the main control room. This capability is consistent with the requirements of 10 CFR Part 50, Appendix R, NUREG-0800, Section 9.5-1, and Appendix A to Branch Technical Position APSCB 9.5-1.

The TESTING REQUIREMENTS ensure that the SSS systems and components are capable of performing their intended functions. The required level in the SSS diesel generator fuel storage tank ensures sufficient fuel for 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> uninterrupted operation. It is assumed that, within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, either offsite power can be restored or additional fuel can be added to the storage tank.

Although the standby makeup pump is not nuclear safety related and was not designed according to ASME Code requirements, it is tested quarterly to ensure its FUNCTIONALITY. The TESTING REQUIREMENT concerning the standby makeup pump water supply ensures that an adequate water volume is available to supply the pump continuously for 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />.

Total accumulative LEAKAGE is calculated in the NC System Leakage 0 Calculation procedure as identified + unidentified + seal leakoff (References 2 and 3). The REMEDIAL ACTION limit of 20 gpm total accumulative LEAKAGE provides additional margin to allow for instrument inaccuracy, and for the predicted increase in seal leakoff rate due to heatup of the reactor coolant pump seal injection water supply temperature following the SSS event (due to spent fuel pool heatup).

Following the increase in seal injection temperature, the standby makeup pump flow of 26 gpm is sufficient to provide in excess of this total accumulative LEAKAGE, thereby assuring that reactor coolant system inventory is maintained at MODE 3 conditions. The supporting evaluation is provided in CNC-1223.04-00-0072 (Ref. 4).

A visual inspection of the diesel starting 24-volt batteries, cell plates, and battery racks provides an indication of physical damage or abnormal deterioration that could potentially degrade battery performance. Since Catawba Units 1 and 2 16.7-9-4 Revision 7

SSS 16.7-9

  • BASES (continued) the battery cell jars are not transparent, a direct visual inspection of the cell plates cannot be performed. Instead, the cell plates are inspected for physical damage and abnormal deterioration by: 1) visually inspecting the jar sides of each cell for excessive bowing and/or deformation, and 2) visually inspecting the electrolyte of each cell for abnormal appearance.

Verifying individual cell voltage while on float charge for the SSS diesel starting 24-Volt batteries ensures that each cell is capable of supporting its intended function. Float charge is the condition in which the charger is supplying the continuous charge required to overcome the internal losses of a battery (or battery cell) and maintain the battery (or battery cell) in a fully charged state. The battery cell voltage limit of 1.36 volts is consistent with the nominal design voltage of the battery and is based on the manufacturer's recommended minimum float charge voltage for a fully charged cell with adequate capacity. The battery is designed and sized with a capacity margin sufficient to allow up to one cell per battery bank to be fully degraded with a voltage < 1.36 volts assuming that no cells are jumpered out. The battery sizing calculations account for one degraded cell per battery bank by assuming the degraded cells undergo a worst case polarity reversal during SSS diesel starting.

Verification of proper installation of pressurizer insulation ensures that pressurizer heat losses during an SSS event do not exceed the capacity of the pressurizer heaters powered from the SSS.

Testing of the pressurizer heater capacity ensures the full capacity of the heaters is available to maintain a steam bubble in the pressurizer during an SSS event.

REFERENCES 1. Letter from NRC to Gary R. Peterson, Duke, Issuance of Improved Technical Specifications Amendments for Catawba, September 30, 1998.

2. PT/1(2)/A/4150/001 D, NC System Leakage Calculation.
3. PT/1(2)/A/4150/001 I, Manual NC Leakage Calculation.
4. CNC-1223.04-00-0072, Reactor Coolant Pumps No. 1 Seal Leakoff Annunciator Alarm Setpoint for Unit 1 and Unit 2.
5. CNS-1560.SS-00-0001, Design Basis Specification for the Standby Shutdown Facility.
6. Catawba Technical Specification Amendments 206/200, July 10, 2003.
7. Catawba UFSAR, Section 18.2.4.

Catawba Units 1 and 2 16.7-9-5 Revision 7

I . I I SSS 16.7-9 REFERENCES (continued)

8. Catawba License Renewal Commitments, CNS-1274.00 0016, Section 4.5.

Catawba Units 1 and 2 16.7-9-6 Revision 7

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