ML100550396

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Developmental Revision B - Revision 0 Standard Specifications Review Matrix
ML100550396
Person / Time
Site: Watts Bar Tennessee Valley Authority icon.png
Issue date: 02/02/2010
From:
Tennessee Valley Authority
To:
Office of Nuclear Reactor Regulation
References
Download: ML100550396 (79)


Text

REVISION 0 STANDARD TECHNICAL SPECIFICATIONS AND WATTS BAR UNIT TWO TECHNICAL SPECIFICATIONS REVIEW MATRIX WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 1.1 Definitions A0 A24 A31 A65 A82 TS 1.1 Definitions A24 amended the Unit 1 TS to allow alternate verification in lieu of response time testing of Reactor Trip and ESF instrumentation. This change is to be applied to Unit 2.

NRC approved A24 via letter dated 06/13/2000.

A31 amended the Unit 1 TS to approve Power Uprate using Leading Edge Flow Meter (LEFM);

this incorporated part of TSTF-51, R2. This change will NOT be implemented on Unit 2 at this time.

NRC approved A31 via letter dated 01/19/2001.

A65 amended Unit 1 TS's Steam Generator Tube Surveillance Program. This change is to be applied to Unit 2.

NRC approved A65 via letter dated 11/03/2006.

A82 amended the Unit 1 TS to implement the Beacon Core Power Distribution and Monitoring System. A change similar to this is to be applied to Unit 2.

NRC approved A82 via letter dated 10/27/2009.

AMENDMENT:

B TS 1.2 Logical Connectors A0 TS 1.2 Logical Connectors AMENDMENT:

TS 1.3 Completion Times A0 TS 1.3 Completion Times AMENDMENT:

TS 1.4 Frequency A0 TS 1.4 Frequency AMENDMENT:

Page 1 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 2.1 SLs A0 A07 A31 TS 2.1 SLs A7 amended the Unit 1 TS to reflect changes due to Cycle 2 Core Reload Changes. The changes remain valid for and will be applied to Unit 2.

NRC approved A7 via letter dated 09/11/1997.

A31 amended the Unit 1 TS to approve Power Uprate using Leading Edge Flow Meter (LEFM) for Unit 1. This change will NOT be implemented on Unit 2 at this time.

NRC approved A31 via letter dated 01/19/2001.

AMENDMENT:

TS Bases 2.1 SLs R0 R13 (A07)

R59 (A46)

TS Bases 2.1 SLs R13 revised the Unit 1 TS Bases to implement the changes made by A7 to the Unit 1 TS (changes due to Cycle 2 Core Reload Changes). The changes remain valid for and will be applied to Unit 2.

NRC approved A7 via letter dated 09/11/1997.

R59 revised the Unit 1 TS Bases to implement the changes made by A46 to the Unit 1 TS (Allow use of W 17X17 fuel design with Intermediate flow mixers.). The changes remain valid for and will be applied to Unit 2.

NRC approved A46 via letter dated 09/30/2003.

AMENDMENT:

TS 2.2 SL Violations A0 TS 2.2 SL Violations AMENDMENT:

TS 3.0 LIMITING CONDITION FOR OPERATION (LCO)

APPLICABILITY A0 A55 TS 3.0 LIMITING CONDITION FOR OPERATION (LCO)

APPLICABILITY A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.0 LIMITING CONDITION FOR OPERATION (LCO)

APPLICABILITY R0 R55 R68 (A55)

TS Bases 3.0 LIMITING CONDITION FOR OPERATION (LCO)

APPLICABILITY R55 revised the Unit 1 TS Bases to make an editorial correction. This change is to be applied to Unit 2.

R55 was provided to NRC via letter dated 04/20/2004.

R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

Page 2 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.0 SURVEILLANCE REQUIREMENT (SR)

APPLICABILITY A0 A42 A55 TS 3.0 SURVEILLANCE REQUIREMENT (SR)

APPLICABILITY A42 amended the Unit 1 TS to revise the time delay prior to entering LCO after missing SR. This change is to be applied to Unit 2.

NRC approved A42 via letter dated 12/11/2002.

R55 revised the Unit 1 TS Bases to make an editorial correction. This change is to be applied to Unit 2.

R55 was provided to NRC via letter dated 04/20/2004.

AMENDMENT:

TS Bases 3.0 SURVEILLANCE REQUIREMENT (SR)

APPLICABILITY R0 R10 (A05)

R53 (A42)

R68 (A55)

TS Bases 3.0 SURVEILLANCE REQUIREMENT (SR)

APPLICABILITY R10 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A5 (allow Option B Appendix J Testing). This change is to be applied to Unit 2.

NRC approved A5 via letter dated 05/27/1997.

R53 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A42 (revised delay time prior to entering LCO after missing SR). This change is to be applied to Unit 2.

NRC approved A42 via letter dated 12/11/2002.

R68 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS 3.1.1 SHUTDOWN MARGIN (SDM) - Tavg > 200 degrees F A0 A55 TS 3.1.1 SHUTDOWN MARGIN (SDM) - Tavg > 200 degrees F A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.1.1 SHUTDOWN MARGIN (SDM) - Tavg > 200 degrees F R0 R68 (A55)

TS Bases 3.1.1 SHUTDOWN MARGIN (SDM) - Tavg > 200 degrees F R68 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS 3.1.2 SHUTDOWN MARGIN (SDM) - Tavg < / = 200 degrees F A0 A55 TS 3.1.2 SHUTDOWN MARGIN (SDM) - Tavg < / = 200 degrees F A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

Page 3 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.1.2 SHUTDOWN MARGIN (SDM) - Tavg < / = 200 degrees F R0 R68 (A55)

TS Bases 3.1.2 SHUTDOWN MARGIN (SDM) - Tavg < / = 200 degrees F R68 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS 3.1.3 Core Reactivity A0 TS 3.1.3 Core Reactivity AMENDMENT:

TS Bases 3.1.3 Core Reactivity R0 R32 TS Bases 3.1.3 Core Reactivity R32 revised the Unit 1 TS Bases to clarify Core Reactivity and Moderator Temperature Coefficient behavior. This change is to be applied to Unit 2.

R32 was provided to NRC via letter dated 03/27/2001.

AMENDMENT:

TS 3.1.4 Moderator Temperature Coefficient (MTC)

A0 TS 3.1.4 Moderator Temperature Coefficient (MTC)

AMENDMENT:

TS Bases 3.1.4 Moderator Temperature Coefficient (MTC)

R0 R32 TS Bases 3.1.4 Moderator Temperature Coefficient (MTC)

R32 revised the Unit 1 TS Bases to clarify Core Reactivity and Moderator Temperature Coefficient behavior. This change is to be applied to Unit 2.

R32 was provided to NRC via letter dated 03/27/2001.

AMENDMENT:

TS 3.1.5 Rod Group Alignment Limits A0 TS 3.1.5 Rod Group Alignment Limits AMENDMENT:

Page 4 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.1.5 Rod Group Alignment Limits R0 R51 RXX (A82)

TS Bases 3.1.5 Rod Group Alignment Limits R51 revised the Unit 1 TS Bases to clarify that Shutdown Banks C and D have only one Rod Group. This change is to be applied to Unit 2.

R51 was provided to NRC via letter dated 04/20/2004.

A82 amended the Unit 1 TS to implement the Beacon Core Power Distribution and Monitoring System. A change similar to this is to be applied to Unit 2.

NRC approved A82 via letter dated 10/27/2009.

The Bases is to be revised as needed to agree with the TS changes.

AMENDMENT:

B TS 3.1.6 Shutdown Bank Insertion Limits A0 TS 3.1.6 Shutdown Bank Insertion Limits AMENDMENT:

TS Bases 3.1.6 Shutdown Bank Insertion Limits R0 R51 TS Bases 3.1.6 Shutdown Bank Insertion Limits R51 revised the Unit 1 TS Bases to clarify that Shutdown Banks C and D have only one Rod Group. This change is to be applied to Unit 2.

R51 was provided to NRC via letter dated 04/20/2004.

AMENDMENT:

TS 3.1.7 Control Bank Insertion Limits A0 TS 3.1.7 Control Bank Insertion Limits AMENDMENT:

TS Bases 3.1.7 Control Bank Insertion Limits R0 R51 TS Bases 3.1.7 Control Bank Insertion Limits R51 revised the Unit 1 TS Bases to clarify that Shutdown Banks C and D have only one Rod Group. This change is to be applied to Unit 2.

R51 was provided to NRC via letter dated 04/20/2004.

AMENDMENT:

Page 5 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.1.8 Rod Position Indication A0 A58 A82 TS 3.1.8 Rod Position Indication A58 amended the Unit 1 TS to allow the position of the control and shutdown rods to be monitored by a means other than the movable incore detectors.

This change is to be applied to Unit 2.

NRC approved A58 via letter dated 09/20/2005.

A82 amended the Unit 1 TS to implement the Beacon Core Power Distribution and Monitoring System. A change similar to this is to be applied to Unit 2.

NRC approved A82 via letter dated 10/27/2009.

AMENDMENT:

B TS Bases 3.1.8 Rod Position Indication R0 R51 R70 (A58)

RXX (A82)

TS Bases 3.1.8 Rod Position Indication R51 revised the Unit 1 TS Bases to clarify that Shutdown Banks C and D have only one Rod Group. This change is to be applied to Unit 2.

R51 was provided to NRC via letter dated 04/20/2004.

R70 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A58 allow the position of the control and shutdown rods to be monitored by a means other than the movable incore detectors). This change is to be applied to Unit 2.

NRC approved A58 via letter dated 09/20/2005.

A82 amended the Unit 1 TS to implement the Beacon Core Power Distribution and Monitoring System. A change similar to this is to be applied to Unit 2.

NRC approved A82 via letter dated 10/27/2009.

The Bases is to be revised as needed to agree with the TS changes.

AMENDMENT:

B TS 3.1.9 PHYSICS TESTS Exceptions - MODE 1 A0 TS 3.1.9 PHYSICS TESTS Exceptions - MODE 1 AMENDMENT:

Page 6 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.1.9 PHYSICS TESTS Exceptions - MODE 1 R0 R40 RXX (A82)

TS Bases 3.1.9 PHYSICS TESTS Exceptions - MODE 1 R40 revised the Unit 1 TS Bases to clarify Watts Bars compliance with ANSI/ANS-19.6.1 and to delete the detailed descriptions of Physics Tests.

This change is to be applied to Unit 2.

R40 was provided to NRC via letter dated 03/27/2001.

A82 amended the Unit 1 TS to implement the Beacon Core Power Distribution and Monitoring System. A change similar to this is to be applied to Unit 2.

NRC approved A82 via letter dated 10/27/2009.

The Bases is to be revised as needed to agree with the TS changes.

AMENDMENT:

B TS 3.1.10 PHYSICS TESTS Exceptions - MODE 2 A0 A28 TS 3.1.10 PHYSICS TESTS Exceptions - MODE 2 A28 amended the Unit 1 TS in regards to the need to conduct channel operational tests within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> prior to a physics tests and to address placing a reactor trip instrumentation channel used in physics tests in a bypassed condition instead of a tripped condition. This change is to be applied to Unit 2.

NRC approved A28 via letter dated 09/13/2000.

AMENDMENT:

TS Bases 3.1.10 PHYSICS TESTS Exceptions - MODE 2 R0 R29 R39 (A28)

R40 TS Bases 3.1.10 PHYSICS TESTS Exceptions - MODE 2 R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R39 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A28 in regards to the need to conduct channel operational tests within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> prior to a physics tests and to address placing a reactor trip instrumentation channel used in physics tests in a bypassed condition instead of a tripped condition.

This change is to be applied to Unit 2.

NRC approved A28 via letter dated 09/13/2000.

R40 revised the Unit 1 TS Bases to clarify Watts Bars compliance with ANSI/ANS-19.6.1 and to delete the detailed descriptions of Physics Tests.

This change is to be applied to Unit 2.

R40 was provided to NRC via letter dated 03/27/2001.

AMENDMENT:

TS 3.1.11 SHUTDOWN MARGIN (SDM) Test Exceptions XX XX XX The marked-up version of the STS submitted with the Unit 1 TS / TS Bases stated The TS 3.1.11, Shutdown Margin (SDM) Test Exception, is not needed at Watts Bar and should be deleted Unit 2 TS / TS Bases will be maintained consistent with that approved as A0, Revision, respectively, on Unit 1.

AMENDMENT:

Page 7 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.1.11 SHUTDOWN MARGIN (SDM) Test Exceptions XX XX XX The marked-up version of the STS submitted with the Unit 1 TS / TS Bases stated The TS 3.1.11, Shutdown Margin (SDM) Test Exception, is not needed at Watts Bar and should be deleted Unit 2 TS / TS Bases will be maintained consistent with that approved as A0, Revision, respectively, on Unit 1.

AMENDMENT:

TS 3.2.1A Heat Flux Hot Channel Factor (FQ(Z)) (FXY Methodology)

XX XX XX Watts Bar uses the "FQ Methodology." This section will not be used at Watts Bar.

AMENDMENT:

TS Bases 3.2.1A Heat Flux Hot Channel Factor (FQ(Z)) (FXY Methodology)

XX XX XX Watts Bar uses the "FQ Methodology." This section will not be used at Watts Bar.

AMENDMENT:

TS 3.2.1B Heat Flux Hot Channel Factor (FQ(Z)) (FQ Methodology)

A0 A11 A82 TS 3.2.1 Heat Flux Hot Channel Factor (FQ(Z))

A11 amended the Unit 1 TS to replace the 2%

penalty addressed in SR 3.2.1.2(a) with a burnup-dependent factor to be specified in the Core Operating Limits Report (COLR). This change is to be applied to Unit 2.

NRC approved A11 via letter dated 08/10/1998.

A82 amended the Unit 1 TS to implement the Beacon Core Power Distribution and Monitoring System. A change similar to this is to be applied to Unit 2.

NRC approved A82 via letter dated 10/27/2009.

AMENDMENT:

B Page 8 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.2.1B Heat Flux Hot Channel Factor (FQ(Z)) (FQ Methodology)

R0 R18 (A11)

R38 R39 (A21)

R99 RXX (A82)

TS Bases 3.2.1 Heat Flux Hot Channel Factor (FQ(Z))

R18 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A11 {replace the 2% penalty addressed in SR 3.2.1.2(a) with a burnup-dependent factor to be specified in the Core Operating Limits Report (COLR)}. This change is to be applied to Unit 2.

NRC approved A11 via letter dated 08/10/1998.

R38 revised the Unit 1 TS Bases to revise SR 3.2.1.2 to reflect the area of the core that will be flux mapped. This change is to be applied to Unit 2.

R38 was provided to NRC via letter dated 03/27/2001.

R39 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A21 (allows use of the Westinghouse generic best estimate large break loss of coolant accident analysis methodology, using the WCOBRA/TRAC code). This change is to be applied to Unit 2.

NRC approved A21 via letter dated 03/17/2000.

Revision 99 to the Unit 1 TS Bases revised the Bases to incorporate Westinghouse Technical Bulletin (TB) 08-04. This change is to be applied to Unit 2.

This revision was approved on 10/09/2009.

A82 amended the Unit 1 TS to implement the Beacon Core Power Distribution and Monitoring System. A change similar to this is to be applied to Unit 2.

NRC approved A82 via letter dated 10/27/2009.

The Bases is to be revised as needed to agree with the TS changes.

AMENDMENT:

B TS 3.2.2 Nuclear Enthalpy Rise Hot Channel Factor (FNdeltaH)

A0 TS 3.2.2 Nuclear Enthalpy Rise Hot Channel Factor (FNdeltaH)

AMENDMENT:

Page 9 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.2.2 Nuclear Enthalpy Rise Hot Channel Factor (FNdeltaH)

R0 R13 (A07)

R39 (A21)

R59 (A46)

RXX (A82)

TS Bases 3.2.2 Nuclear Enthalpy Rise Hot Channel Factor (FNdeltaH)

R13 revised the Unit 1 TS Bases to implement the changes made by A7 to the Unit 1 TS (changes due to Cycle 2 Core Reload Changes). The changes remain valid for and will be applied to Unit 2.

NRC approved A7 via letter dated 09/11/1997.

R39 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A21 (allows use of the Westinghouse generic best estimate large break loss of coolant accident analysis methodology, using the WCOBRA/TRAC code). This change is to be applied to Unit 2.

NRC approved A21 via letter dated 03/17/2000.

R59 revised the Unit 1 TS Bases to implement the changes made by A46 to the Unit 1 TS (Allow use of W 17X17 fuel design with Intermediate flow mixers.). The changes remain valid for and will be applied to Unit 2.

NRC approved A46 via letter dated 09/30/2003.

A82 amended the Unit 1 TS to implement the Beacon Core Power Distribution and Monitoring System. A change similar to this is to be applied to Unit 2.

NRC approved A82 via letter dated 10/27/2009.

The Bases is to be revised as needed to agree with the TS changes.

AMENDMENT:

TS 3.2.3.A AXIAL FLUX DIFFERENCE (AFD) (Constant Axial Offset Control (CAOC)

Methodology)

XX XX XX Watts Bar will utilize RAOC Methodology. This section will not be used at Watts Bar.

AMENDMENT:

TS Bases 3.2.3.A AXIAL FLUX DIFFERENCE (AFD) (Constant Axial Offset Control (CAOC)

Methodology)

XX XX XX Watts Bar will utilize RAOC Methodology. This section will not be used at Watts Bar.

AMENDMENT:

TS 3.2.3.B AXIAL FLUX DIFFERENCE (AFD) (Relaxed Axial Offset Control (RAOC)

Methodology)

A0 TS 3.2.3 AXIAL FLUX DIFFERENCE (AFD)

AMENDMENT:

Page 10 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.2.3.B AXIAL FLUX DIFFERENCE (AFD) (Relaxed Axial Offset Control (RAOC)

Methodology)

R0 TS Bases 3.2.3 AXIAL FLUX DIFFERENCE (AFD)

AMENDMENT:

TS 3.2.4 QUADRANT POWER TILT RATIO (QPTR)

A0 A82 TS 3.2.4 QUADRANT POWER TILT RATIO (QPTR)

A82 amended the Unit 1 TS to implement the Beacon Core Power Distribution and Monitoring System. A change similar to this is to be applied to Unit 2.

NRC approved A82 via letter dated 10/27/2009.

AMENDMENT:

B TS Bases 3.2.4 QUADRANT POWER TILT RATIO (QPTR)

R0 RXX (A82)

TS Bases 3.2.4 QUADRANT POWER TILT RATIO (QPTR)

A82 amended the Unit 1 TS to implement the Beacon Core Power Distribution and Monitoring System. A change similar to this is to be applied to Unit 2.

NRC approved A82 via letter dated 10/27/2009.

The Bases is to be revised as needed to agree with the TS changes.

AMENDMENT:

Page 11 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.3.1 Reactor Trip System (RTS)

Instrumentation A0 A07 A18 A47 A52 A68 A82 TS 3.3.1 Reactor Trip System (RTS)

Instrumentation A7 amended the Unit 1 TS to reflect changes due to Cycle 2 Core Reload Changes. The changes remain valid for and will be applied to Unit 2.

NRC approved A7 via letter dated 09/11/1997.

A18 amended the Unit 1 TS to delete Power Range Neutron Flux High Negative Rate Reactor Trip Function. This change is to be applied to Unit 2.

NRC approved A18 via letter dated 01/15/1999.

A47 amended the Unit 1 TS to allow an alternate method for the measurement of RCS total flow rate via measurement of the RCS elbow tap differential pressures. The changes will be applied to Unit 2.

NRC approved A47 via letter dated 10/03/2003.

A52 amended the Unit 1 TS to add SR 3.3.1.15 to the Source Range Neutron Flux Reactor Trip function. This change is to be applied to Unit 2.

NRC approved A52 via letter dated 04/19/2004.

A68 amended the Unit 1 TS to allow relaxations of various logic completion times, bypass test times, allowable outage times, and surveillance testing intervals previously reviewed and approved by NRC under WCAP-14333-P-A, Probabilistic Risk Analysis of RPS and ESFAS Test Times and Completion Times, and WCAP-15376-P-A, Risk-Informed Assessment of the RTS and ESFAS Surveillance Test Intervals and Reactor Trip Breaker Test and Completion Times. Also incorporates TSTF-169, Deletion of Condition 3.3.1.N, and TSTF-311, Revision of Surveillance Frequency for TADOT on Turbine Trip Functional Unit. This change is to be applied to Unit 2.

NRC approved A68 via letter dated 06/30/2008.

A82 amended the Unit 1 TS to implement the Beacon Core Power Distribution and Monitoring System. A change similar to this is to be applied to Unit 2.

NRC approved A82 via letter dated 10/27/2009.

AMENDMENT:

B Page 12 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.3.1 Reactor Trip System (RTS)

Instrumentation R0 R13 (A07)

R17 R27 (A18)

R34 (A24)

R60 (A47)

R90 (A68)

RXX (A82)

TS Bases 3.3.1 Reactor Trip System (RTS)

Instrumentation R13 revised the Unit 1 TS Bases to implement the changes made by A7 to the Unit 1 TS (changes due to Cycle 2 Core Reload Changes). The changes remain valid for and will be applied to Unit 2.

NRC approved A7 via letter dated 09/11/1997.

R17 revised the Unit 1 TS Bases for Source Range Neutron Flux (change indication to visual indication and audible alarm). This change is to be applied to Unit 2.

R17 was provided to NRC via letter dated 10/18/1999.

R27 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A18 (Delete Power Range Neutron Flux High Negative Rx Trip Function.). This change is to be applied to Unit 2.

NRC approved A18 via letter dated 01/15/1999.

R34 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A24 (Allow alternate verification in lieu of response time testing of Reactor Trip and ESF instrumentation). This change is to be applied to Unit 2.

NRC approved A24 via letter dated 06/13/2000.

R60 revised the Unit 1 TS Bases to implement the changes made by A47 to the Unit 1 TS (allow an alternate method for the measurement of RCS total flow rate via measurement of the RCS elbow tap differential pressures). The changes will be applied to Unit 2.

NRC approved A47 via letter dated 10/03/2003.

R90 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A68 (Allow relaxations of various logic completion times, bypass test times, allowable outage times, and surveillance testing intervals previously reviewed and approved by NRC under WCAP-14333-P-A, Probabilistic Risk Analysis of RPS and ESFAS Test Times and Completion Times, and WCAP-15376-P-A, Risk-Informed Assessment of the RTS and ESFAS Surveillance Test Intervals and Reactor Trip Breaker Test and Completion Times. Also incorporates TSTF-169, Deletion of Condition 3.3.1.N, and TSTF-311, Revision of Surveillance Frequency for TADOT on Turbine Trip Functional Unit.). This change is to be applied to Unit 2.

NRC approved A68 via letter dated 06/30/2008.

A82 amended the Unit 1 TS to implement the Beacon Core Power Distribution and Monitoring System. A change similar to this is to be applied to Unit 2.

AMENDMENT:

B Page 13 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE NRC approved A82 via letter dated 10/27/2009.

The Bases is to be revised as needed to agree with the TS changes.

Page 14 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.3.2 Engineered Safety Feature Actuation System (SEAS)

Instrumentation A0 A01 A07 A13 A17 A23 A68 A75 A80 TS 3.3.2 Engineered Safety Feature Actuation System (SEAS)

Instrumentation A1 amended the Unit 1 TS to reflect modification to prevent inadvertent transfer of the turbine driven auxiliary feedwater pump suction from the condensate storage tank to the emergency raw cooling water system. This change is to be applied to Unit 2.

NRC approved A1 via letter dated 02/28/1996.

A7 amended the Unit 1 TS to incorporate Cycle 2 core reload changes. This change is to be applied to Unit 2.

NRC approved A7 via letter dated 09/11/1997.

A13 amended the Unit 1 TS to clarify the intent of the surveillance testing requirements for the turbine driven auxiliary feed water pump and make them consistent with the wording and intent of the Westinghouse STS. This change is to be applied to Unit 2.

NRC approved A13 via letter dated 10/26/1998.

A17 amended the Unit 1 TS to increase SR interval for Westinghouse type AR Relays (WCAP 13877, Rev. 1 and WCAP 13900, Rev. 0). This change is to be applied to Unit 2.

NRC approved A17 via letter dated 12/30/1998.

A23 amended the Unit 1 TS for a ONE time exception to allow for relief from response time testing 1-FSV-47-027. This change will NOT be applied to Unit 2.

NRC approved A23 via letter dated 03/22/2000.

A68 amended the Unit 1 TS to allow relaxations of various logic completion times, bypass test times, allowable outage times, and surveillance testing intervals previously reviewed and approved by NRC under WCAP-14333-P-A, Probabilistic Risk Analysis of RPS and ESFAS Test Times and Completion Times, and WCAP-15376-P-A, Risk-Informed Assessment of the RTS and ESFAS Surveillance Test Intervals and Reactor Trip Breaker Test and Completion Times. Also incorporates TSTF-169, Deletion of Condition 3.3.1.N, and TSTF-311, Revision of Surveillance Frequency for TADOT on Turbine Trip Functional Unit. This change is to be applied to Unit 2.

NRC approved A68 via letter dated 06/30/2008.

A75 amended the Unit 1 TS to modify the TS requirements related to Mode 1 and 2 applicability for Function 6.e of TS Table 3.3.2-1 Engineered Safety Feature Actuation System Instrumentation, and the Bases for TS 3.3.2. In addition, Limiting Condition for Operation (LCO) 3.3.2, Condition J, has been revised to be consistent with the design basis for WBN Unit 1.

This change is to be applied to Unit 2.

AMENDMENT:

B Page 15 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE The NRC approved A75 in a letter dated March 4, 2009.

A80 amended the Unit 1 TS to correct a minor error in TS 3.3.2, Engineered Safety Feature Actuation System (ESFAS) Instrumentation, Condition I, by changing a logic connector from OR to AND between Actions I.2.1 and I.2.2.

This change is to be applied to Unit 2.

The NRC approved A80 in a letter dated September 8, 2009.

Page 16 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.3.2 Engineered Safety Feature Actuation System (SEAS)

Instrumentation R0 R01 R02 (A01)

R09 R13 (A07)

R20 (A13)

R26 (A17)

R30 (A23)

R34 (A24)

R90 (A68)

R96 (A75)

TS Bases 3.3.2 Engineered Safety Feature Actuation System (SEAS)

Instrumentation R1 revised the Unit 1 TS Bases to add additional information for SR 3.3.2.7 concerning slave relay testing. This change is to be applied to Unit 2.

R1 was provided to NRC via letter dated 02/09/1998.

R2 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A1 (reflect modification to prevent inadvertent transfer of the turbine driven auxiliary feedwater pump suction from the condensate storage tank to the emergency raw cooling water system). This change is to be applied to Unit 2.

NRC approved A1 via letter dated 02/28/1996.

R9 revised the Unit 1 TS Bases to clarify switch controls for Manual Phase A Containment Vent Isolation. This change is to be applied to Unit 2.

R9 was provided to NRC via letter dated 02/09/1998.

R13 revised the Unit 1 TS Bases to implement the changes made by A7 to the Unit 1 TS (changes due to Cycle 2 Core Reload Changes). The changes made to this subsection by R13 were superseded by R88.

NRC approved A7 via letter dated 09/11/1997.

R20 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A13 (clarify the intent of the surveillance testing requirements for the turbine driven auxiliary feed water pump and make them consistent with the wording and intent of the Westinghouse STS).

This change is to be applied to Unit 2.

NRC approved A13 via letter dated 10/26/1998.

R26 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A17 {increase SR interval for Westinghouse type AR Relays (WCAP 13877, Rev. 1 and WCAP 13900, Rev. 0)}. This change is to be applied to Unit 2.

NRC approved A17 via letter dated 12/30/1998.

R30 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A23 (ONE time exception to allow for relief from response time testing 1-FSV-47-027). This change will NOT be applied to Unit 2.

NRC approved A23 via letter dated 03/22/2000.

R34 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A24 (Allow alternate verification in lieu of response time testing of Reactor Trip and ESF instrumentation). This change is to be applied to Unit 2.

AMENDMENT:

B Page 17 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE NRC approved A24 via letter dated 06/13/2000.

R90 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A68 (Allow relaxations of various logic completion times, bypass test times, allowable outage times, and surveillance testing intervals previously reviewed and approved by NRC under WCAP-14333-P-A, Probabilistic Risk Analysis of RPS and ESFAS Test Times and Completion Times, and WCAP-15376-P-A, Risk-Informed Assessment of the RTS and ESFAS Surveillance Test Intervals and Reactor Trip Breaker Test and Completion Times. Also incorporates TSTF-169, Deletion of Condition 3.3.1.N, and TSTF-311, Revision of Surveillance Frequency for TADOT on Turbine Trip Functional Unit.). This change is to be applied to Unit 2.

NRC approved A68 via letter dated 06/30/2008.

R96 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A75 (Modify the TS requirements related to Mode 1 and 2 applicability for Function 6.e of TS Table 3.3.2-1 Engineered Safety Feature Actuation System Instrumentation, and the Bases for TS 3.3.2. In addition, Limiting Condition for Operation (LCO) 3.3.2, Condition J, has been revised to be consistent with the design basis for WBN Unit 1.)

This change is to be applied to Unit 2.

The NRC approved A75 in a letter dated March 4, 2009.

TS 3.3.3 Post Accident Monitoring (PAM) Instrumentation A0 A55 A72 TS 3.3.3 Post Accident Monitoring (PAM) Instrumentation A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

A72 TS deleted the Hydrogen Recombiners from the TS. This change is to be applied to Unit 2.

NRC approved A72 via letter dated 12/23/08.

AMENDMENT:

B Page 18 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.3.3 Post Accident Monitoring (PAM) Instrumentation R0 R28 R49 (A34)

R68 (A55)

R94 (A72)

TS Bases 3.3.3 Post Accident Monitoring (PAM) Instrumentation R28 revised the Unit 1 TS Bases to reflect P2500 replacement with ICS (delete reference to ERFDS as a redundant input signal). This change is to be applied to Unit 2.

R28 was provided to NRC via letter dated 10/18/1999.

R49 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A34 {delete the program requirements of TS 5.7.2.6, "Post Accident Sampling System (PASS)}. This change is to be applied to Unit 2.

NRC approved A34 via letter dated 01/14/2002.

R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

R94 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A72 (deleted the Hydrogen Recombiners). This change is to be applied to Unit 2.

NRC approved A72 via letter dated 12/23/2008.

AMENDMENT:

B TS 3.3.4 Remote Shutdown System A0 A53 A55 TS 3.3.4 Remote Shutdown System A53 amended the Unit 1 TS allow a one-time change to Function 4a of TS Table 3.3.4-1 (allows the Loop 4 RCS hot leg temperature indicator in the Auxiliary Control Room to be inoperable for the remainder of Cycle 6). This will NOT be applied to Unit 2.

NRC approved A53 via letter dated 11/19/2004.

A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.3.4 Remote Shutdown System R0 R68 (A55)

TS Bases 3.3.4 Remote Shutdown System R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS 3.3.5 Loss of Power (LOP)

Diesel Generator (DG)

Start Instrumentation A0 A36 TS 3.3.5 Loss of Power (LOP)

Diesel Generator (DG)

Start Instrumentation A36 amended the Unit 1 TS to increase time-delay settings for 6.9kV degraded voltage relays. This change is to be applied to Unit 2.

NRC approved A36 via letter dated 01/23/2002.

AMENDMENT:

Page 19 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.3.5 Loss of Power (LOP)

Diesel Generator (DG)

Start Instrumentation R0 R48 (A36)

TS Bases 3.3.5 Loss of Power (LOP)

Diesel Generator (DG)

Start Instrumentation R48 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A36 (increase time-delay settings for 6.9kV degraded voltage relays). This change is to be applied to Unit 2.

NRC approved A36 via letter dated 01/23/2002.

AMENDMENT:

TS 3.3.6 Containment Purge and Exhaust Isolation Instrumentation A0 A17 A35 A68 A74 TS 3.3.6 Containment Vent Isolation Instrumentation A17 amended the Unit 1 TS to increase SR interval for Westinghouse type AR Relays (WCAP 13877, Rev. 1 and WCAP 13900, Rev. 0). This change is to be applied to Unit 2.

NRC approved A17 via letter dated 12/30/1998.

A35 amended the Unit 1 TS to eliminate ESF operability requirements that do not involve the movement of irradiated fuel during core alterations (part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

NRC approved A35 via letter dated 01/22/2002.

A68 amended the Unit 1 TS to allow relaxations of various logic completion times, bypass test times, allowable outage times, and surveillance testing intervals previously reviewed and approved by NRC under WCAP-14333-P-A, Probabilistic Risk Analysis of RPS and ESFAS Test Times and Completion Times, and WCAP-15376-P-A, Risk-Informed Assessment of the RTS and ESFAS Surveillance Test Intervals and Reactor Trip Breaker Test and Completion Times. Also incorporates TSTF-169, Deletion of Condition 3.3.1.N, and TSTF-311, Revision of Surveillance Frequency for TADOT on Turbine Trip Functional Unit. This change is to be applied to Unit 2.

NRC approved A68 via letter dated 06/30/2008.

A74 amended the Unit 1 TS to modify the TS requirement for Allowable Values associated with the Containment Purge Radiation Monitors.

This change is to be applied to Unit 2.

The NRC approved A74 in a letter dated January 8, 2009.

AMENDMENT:

B Page 20 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.3.6 Containment Purge and Exhaust Isolation Instrumentation R0 R09 R26 (A17)

R43 R45 (A35)

R87 R90 (A68)

R93 (A74)

TS Bases 3.3.6 Containment Vent Isolation Instrumentation R9 revised the Unit 1 TS Bases to clarify switch controls for Manual Phase A Containment Vent Isolation. This change is to be applied to Unit 2.

R9 was provided to NRC via letter dated 02/09/1998.

R26 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A17 {increase SR interval for Westinghouse type AR Relays (WCAP 13877, Rev. 1 and WCAP 13900, Rev. 0)}. This change is to be applied to Unit 2.

NRC approved A17 via letter dated 12/30/1998.

R43 revised the Unit 1 TS Bases to change CVI Response Time from 5 to 6 Seconds. This change is to be applied to Unit 2.

R43 was provided to NRC via letter dated 09/19/2002.

R45 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A35 (Eliminate ESF operability requirements that do not involve the movement of irradiated fuel during core alterations; this was part of TSTF-51, Revision 2.). This change is to be applied to Unit 2.

NRC approved A35 via letter dated 01/22/2002.

R87 revised the Unit 1 TS Bases because of DCN 52220-A: tied the ABI and CVI signals together so that either signal initiates the other signal. This change is to be applied to Unit 2.

R87 was provided to the NRC via letter dated 09/22/2008.

R90 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A68 (Allow relaxations of various logic completion times, bypass test times, allowable outage times, and surveillance testing intervals previously reviewed and approved by NRC under WCAP-14333-P-A, Probabilistic Risk Analysis of RPS and ESFAS Test Times and Completion Times, and WCAP-15376-P-A, Risk-Informed Assessment of the RTS and ESFAS Surveillance Test Intervals and Reactor Trip Breaker Test and Completion Times. Also incorporates TSTF-169, Deletion of Condition 3.3.1.N, and TSTF-311, Revision of Surveillance Frequency for TADOT on Turbine Trip Functional Unit.). This change is to be applied to Unit 2.

NRC approved A68 via letter dated 06/30/2008.

R93 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A74 (amended the Unit 1 TS to modify the TS requirement for Allowable Values associated with the Containment Purge Radiation Monitors). This AMENDMENT:

B Page 21 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE change is to be applied to Unit 2.

The NRC approved A74 in a letter dated January 8, 2009.

TS 3.3.7 Control Room Emergency Filtration System (CREFS)

Actuation Instrumentation A0 A35 A41 TS 3.3.7 Control Room Emergency Ventilation System (CREVS) Actuation Instrumentation A35 amended the Unit 1 TS to eliminate ESF operability requirements that do not involve the movement of irradiated fuel during core alterations (part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

NRC approved A35 via letter dated 01/22/2002.

A41 amended the Unit 1 TS to lower the steady-state specific activity of the primary coolant and to change the allowable value for the main control room air intake radiation monitor made necessary by reducing the specific activity. This change is to be applied to Unit 2.

NRC approved A41 via letter dated 11/18/2002.

AMENDMENT:

TS Bases 3.3.7 Control Room Emergency Filtration System (CREFS)

Actuation Instrumentation R0 R45 (A35)

TS Bases 3.3.7 Control Room Emergency Ventilation System (CREVS) Actuation Instrumentation R45 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A35 (Eliminate ESF operability requirements that do not involve the movement of irradiated fuel during core alterations; this was part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

NRC approved A35 via letter dated 01/22/2002.

AMENDMENT:

TS 3.3.8 Fuel Building Air Cleanup System (FBACS) Actuation Instrumentation A0 TS 3.3.8 Auxiliary Building Gas Treatment System (ABGTS) Actuation Instrumentation AMENDMENT:

TS Bases 3.3.8 Fuel Building Air Cleanup System (FBACS) Actuation Instrumentation R0 R87 TS Bases 3.3.8 Auxiliary Building Gas Treatment System (ABGTS) Actuation Instrumentation R87 revised the Unit 1 TS Bases because of DCN 52220-A: tied the ABI and CVI signals together so that either signal initiates the other signal. This change is to be applied to Unit 2.

R87 was provided to the NRC via letter dated 09/22/2008.

AMENDMENT:

TS 3.3.9 Boron Dilution Protection System (BDPS)

XX XX XX This section was not included in the Unit 1 submittal; it is not in current Unit 1 TS and TS Bases.

AMENDMENT:

Page 22 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.3.9 Boron Dilution Protection System (BDPS)

XX XX XX This section was not included in the Unit 1 submittal; it is not in current Unit 1 TS and TS Bases.

AMENDMENT:

TS 3.4.1 RCS Pressure, Temperature, and Flow Departure from Nucleate Boiling (DNB) Limits A0 A07 A47 TS 3.4.1 RCS Pressure, Temperature, and Flow Departure from Nucleate Boiling (DNB) Limits A7 amended the Unit 1 TS to reflect changes due to Cycle 2 Core Reload Changes. The changes remain valid for and will be applied to Unit 2.

NRC approved A7 via letter dated 09/11/1997.

A47 amended the Unit 1 TS to allow an alternate method for the measurement of RCS total flow rate via measurement of the RCS elbow tap differential pressures. This change will not be made on Unit 2 at this time.

NRC approved A47 via letter dated 10/03/2003.

AMENDMENT:

B TS Bases 3.4.1 RCS Pressure, Temperature, and Flow Departure from Nucleate Boiling (DNB) Limits R0 R13 (A07)

R29 R60 (A47)

TS Bases 3.4.1 RCS Pressure, Temperature, and Flow Departure from Nucleate Boiling (DNB) Limits R13 revised the Unit 1 TS Bases to implement the changes made by A7 to the Unit 1 TS (changes due to Cycle 2 Core Reload Changes). The changes remain valid for and will be applied to Unit 2.

NRC approved A7 via letter dated 09/11/1997.

R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R60 revised the Unit 1 TS Bases to implement the changes made by A47 to the Unit 1 TS (allow an alternate method for the measurement of RCS total flow rate via measurement of the RCS elbow tap differential pressures). This change will not be made on Unit 2 at this time.

NRC approved A47 via letter dated 10/03/2003.

AMENDMENT:

B TS 3.4.2 RCS Minimum Temperature for Criticality A0 TS 3.4.2 RCS Minimum Temperature for Criticality AMENDMENT:

Page 23 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.4.2 RCS Minimum Temperature for Criticality R0 R29 R55 TS Bases 3.4.2 RCS Minimum Temperature for Criticality R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R55 revised the Unit 1 TS Bases to make an editorial correction. This change is NOT needed for this portion of the Unit 2 TS Bases.

R55 was provided to NRC via letter dated 04/20/2004.

AMENDMENT:

TS 3.4.3 RCS Pressure and Temperature (P/T) Limits A0 TS 3.4.3 RCS Pressure and Temperature (P/T) Limits AMENDMENT:

TS Bases 3.4.3 RCS Pressure and Temperature (P/T) Limits R0 TS Bases 3.4.3 RCS Pressure and Temperature (P/T) Limits AMENDMENT:

TS 3.4.4 RCS Loops - MODES 1 and 2 A0 TS 3.4.4 RCS Loops - MODES 1 and 2 AMENDMENT:

TS Bases 3.4.4 RCS Loops - MODES 1 and 2 R0 R82 (A65)

TS Bases 3.4.4 RCS Loops - MODES 1 and 2 R82 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A65 (amended Unit 1 TS's Steam Generator Tube Surveillance Program; modeled after TSTF-449).

This change is to be applied to Unit 2.

NRC approved A65 via letter dated 11/03/2006.

AMENDMENT:

TS 3.4.5 RCS Loops - MODE 3 A0 A61 TS 3.4.5 RCS Loops - MODE 3 A61 amended the Unit 1 TS to authorize change in SG level requirement from greater than or equal to 6% to greater than or 32% following SG replacement. This change will NOT be made on Unit 2 at this time.

NRC approved A61 via letter dated 05/05/2006.

AMENDMENT:

Page 24 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.4.5 RCS Loops - MODE 3 R0 R29 R79 (A61)

R82 (A65)

TS Bases 3.4.5 RCS Loops - MODE 3 R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R79 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A61 (authorize change in SG level requirement from greater than or equal to 6% to greater than or 32% following SG replacement). This change will NOT be made on Unit 2 at this time.

NRC approved A61 via letter dated 05/05/2006.

R82 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A65 (amended Unit 1 TS's Steam Generator Tube Surveillance Program). This change is to be applied to Unit 2.

NRC approved A65 via letter dated 11/03/2006.

AMENDMENT:

TS 3.4.6 RCS Loops - MODE 4 A0 A61 TS 3.4.6 RCS Loops - MODE 4 A61 amended the Unit 1 TS to authorize change in SG level requirement from greater than or equal to 6% to greater than or 32% following SG replacement. This change will NOT be made on Unit 2 at this time.

NRC approved A61 via letter dated 05/05/2006.

AMENDMENT:

Page 25 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.4.6 RCS Loops - MODE 4 R0 R29 R72 R79 (A61)

R82 (A65)

TS Bases 3.4.6 RCS Loops - MODE 4 R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R72 revised the Unit 1 TS Bases to correct a typographical error: LCO Bases section 3.4.6 incorrectly referred to SR 3.4.6.2 rather than the correct SR 3.4.6.3. This change is NOT needed for Unit 2.

R72 was provided to NRC via letter dated 05/23/2007.

R79 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A61 (authorize change in SG level requirement from greater than or equal to 6% to greater than or 32% following SG replacement). This change will NOT be made on Unit 2 at this time.

NRC approved A61 via letter dated 05/05/2006.

R82 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A65 (amended Unit 1 TS's Steam Generator Tube Surveillance Program). This change is to be applied to Unit 2.

NRC approved A65 via letter dated 11/03/2006.

AMENDMENT:

TS 3.4.7 RCS Loops - MODE 5, Loops Filled A0 A61 TS 3.4.7 RCS Loops - MODE 5, Loops Filled A61 amended the Unit 1 TS to authorize change in SG level requirement from greater than or equal to 6% to greater than or 32% following SG replacement. This change will NOT be made on Unit 2 at this time.

NRC approved A61 via letter dated 05/05/2006.

AMENDMENT:

Page 26 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.4.7 RCS Loops - MODE 5, Loops Filled R0 R29 R79 (A61)

R82 (A65)

TS Bases 3.4.7 RCS Loops - MODE 5, Loops Filled R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R79 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A61 (authorize change in SG level requirement from greater than or equal to 6% to greater than or 32% following SG replacement). This change will NOT be made on Unit 2 at this time.

NRC approved A61 via letter dated 05/05/2006.

R82 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A65 (amended Unit 1 TS's Steam Generator Tube Surveillance Program). This change is to be applied to Unit 2.

NRC approved A65 via letter dated 11/03/2006.

AMENDMENT:

TS 3.4.8 RCS Loops - MODE 5, Loops Not Filled A0 A55 TS 3.4.8 RCS Loops - MODE 5, Loops Not Filled A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This portion of the TS does not need this amendment for Unit 2; the amendment restores this portion of the TS to the way Revision 0 of the STS is written.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.4.8 RCS Loops - MODE 5, Loops Not Filled R0 R68 (A55)

TS Bases 3.4.8 RCS Loops - MODE 5, Loops Not Filled R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This portion of the TS Bases does not need this revision for Unit 2; the revision restores this portion of the TS Bases to the way R0 of the STS is written.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS 3.4.9 Pressurizer A0 TS 3.4.9 Pressurizer AMENDMENT:

TS Bases 3.4.9 Pressurizer R0 R29 TS Bases 3.4.9 Pressurizer R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

AMENDMENT:

Page 27 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.4.10 Pressurizer Safety Valves A0 TS 3.4.10 Pressurizer Safety Valves AMENDMENT:

TS Bases 3.4.10 Pressurizer Safety Valves R0 R89 (A66)

TS Bases 3.4.10 Pressurizer Safety Valves R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.

NRC approved A66 via letter dated 12/18/2006.

AMENDMENT:

TS 3.4.11 Pressurizer Power Operated Relief Valves (PORVs)

A0 A55 TS 3.4.11 Pressurizer Power Operated Relief Valves (PORVs)

A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.4.11 Pressurizer Power Operated Relief Valves (PORVs)

R0 R42 R68 (A55)

R89 (A66)

TS Bases 3.4.11 Pressurizer Power Operated Relief Valves (PORVs)

R42 revised the Unit 1 TS Bases to clarify TS operability requirements for the pressurizer PORVs. This change is to be applied to Unit 2.

R42 was provided to NRC via letter dated 03/27/2001.

R68 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.

NRC approved A66 via letter dated 12/18/2006.

AMENDMENT:

Page 28 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.4.12 Low Temperature Overpressure Protection (LTOP) System A0 A14 A55 TS 3.4.12 Cold Overpressure Mitigation System (COMS)

A14 amended the Unit 1 TS to allow up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> to make the residual heat removal suction relief valve available as a cold overpressure mitigation system (COMS) relief path. The changes implemented by this amendment were superseded by Unit 1 TS A55, and will not be applied to Unit 2.

NRC approved A14 via letter dated 11/10/1998.

A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.4.12 Low Temperature Overpressure Protection (LTOP) System R0 R07 R22 (A14)

R68 (A55)

R89 (A66)

TS Bases 3.4.12 Cold Overpressure Mitigation System (COMS)

R7 revised the Unit 1 TS Bases to clarify the COT frequency. This change is to be applied to Unit 2.

R7 was provided to NRC via letter dated 02/09/1998.

R22 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A14 {allow up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> to make the residual heat removal suction relief valve available as a cold overpressure mitigation system (COMS) relief path}. This change is to be applied to Unit 2 NRC approved A14 via letter dated 11/10/1998.

R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This portion of the TS Bases does not need this revision for Unit 2; the revision restores this portion of the TS Bases to the way R0 of the STS is written.

NRC approved A55 via letter dated 03/03/2005.

R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.

NRC approved A66 via letter dated 12/18/2006.

AMENDMENT:

Page 29 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.4.13 RCS Operational LEAKAGE A0 A38 A65 TS 3.4.13 RCS Operational LEAKAGE A38 amended the Unit 1 TS to incorporate voltage-based Alternate Repair Criteria for steam generator tubes. This change will NOT be applied to Unit 2 at this time.

NRC approved A38 via letter dated 02/26/2002.

A65 amended Unit 1 TS's Steam Generator Tube Surveillance Program. This change will be applied to Unit 2.

NRC approved A65 via letter dated 11/03/2006.

AMENDMENT:

TS Bases 3.4.13 RCS Operational LEAKAGE R0 R47 (A38)

R68 (A56)

R82 (A65)

TS Bases 3.4.13 RCS Operational LEAKAGE R47 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A38 (incorporate voltage-based Alternate Repair Criteria for steam generator tubes). This change will NOT be applied to Unit 2 at this time.

NRC approved A38 via letter dated 02/26/2002.

R68 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A56 (revise the Updated FSAR by modifying the design and licensing basis to increase the postulated primary-to-secondary leakage in the faulted steam generator following a main steamline break accident from 1 to 3 gallons per minute).

This change will NOT be applied to Unit 2.

NRC approved A56 via letter dated 03/10/2005.

R82 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A65 (amended Unit 1 TS's Steam Generator Tube Surveillance Program). This change will be applied to Unit 2.

NRC approved A65 via letter dated 11/03/2006.

AMENDMENT:

TS 3.4.14 RCS Pressure Isolation Valve (PIV) Leakage A0 TS 3.4.14 RCS Pressure Isolation Valve (PIV) Leakage AMENDMENT:

TS Bases 3.4.14 RCS Pressure Isolation Valve (PIV) Leakage R0 R89 (A66)

TS Bases 3.4.14 RCS Pressure Isolation Valve (PIV) Leakage R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.

NRC approved A66 via letter dated 12/18/2006.

AMENDMENT:

Page 30 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.4.15 RCS Leakage Detection Instrumentation A0 A55 A71 TS 3.4.15 RCS Leakage Detection Instrumentation A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

A71 amended the Unit 1 TS to remove the operability requirement for the containment atmospheric gaseous radiation monitor. This change is to be applied to Unit 2.

NRC approved A71 via letter dated 11/25/2008.

AMENDMENT:

B TS Bases 3.4.15 RCS Leakage Detection Instrumentation R0 R12 R68 (A55)

R92 (A71)

TS Bases 3.4.15 RCS Leakage Detection Instrumentation R12 revised the Unit 1 TS Bases to address heat tracing for radiation monitors. This change is to be applied to Unit 2.

R12 was provided to NRC via letter dated 02/09/1998.

R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

R92 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (remove the operability requirement for the containment atmospheric gaseous radiation monitor.) This change is to be applied to Unit 2.

NRC approved A71 via letter dated 11/25/2008.

AMENDMENT:

B TS 3.4.16 RCS Specific Activity A0 A41 A55 TS 3.4.16 RCS Specific Activity A41 amended the Unit 1 TS to lower the steady-state specific activity of the primary coolant and to change the allowable value for the main control room air intake radiation monitor made necessary by reducing the specific activity. This change is to be applied to Unit 2.

NRC approved A41 via letter dated 11/18/2002.

A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

Page 31 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.4.16 RCS Specific Activity R0 R52 (A41)

R68 (A55)

TS Bases 3.4.16 RCS Specific Activity R52 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A41 (lower the steady-state specific activity of the primary coolant and to change the allowable value for the main control room air intake radiation monitor made necessary by reducing the specific activity). This change is to be applied to Unit 2.

NRC approved A41 via letter dated 11/18/2002.

R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS 3.4.17 RCS Loop Isolation Valves XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

TS Bases 3.4.17 RCS Loop Isolation Valves XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

TS 3.4.18 RCS Isolated Loop Startup XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

TS Bases 3.4.18 RCS Isolated Loop Startup XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

Page 32 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.4.19 RCS Loops - Test Exceptions XX XX The original submittal to the NRC on 08/27/1992 showed this as becoming Unit 1 TS 3.4.17. By the time the photo-ready version was submitted in 1995, it had been deleted. It is not applicable to Unit 2.

AMENDMENT:

TS Bases 3.4.19 RCS Loops - Test Exceptions XX XX The original submittal to the NRC on 08/27/1992 showed this as becoming Unit 1 TS Bases 3.4.17.

By the time the photo-ready version was submitted in 1995, it had been deleted. It is not applicable to Unit 2.

AMENDMENT:

Page 33 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.5.1 Accumulators A0 A07 A21 A40 A48 A67 A77 A81 TS 3.5.1 Accumulators A7 amended the Unit 1 TS to reflect changes due to Cycle 2 Core Reload Changes. The changes implemented by A7 in this subsection were superseded by a later amendment.

NRC approved A7 via letter dated 09/11/1997.

A21 amended the Unit 1 TS to allow use of the Westinghouse generic best estimate large break loss of coolant accident analysis methodology, using the WCOBRA/TRAC code. This change is to be applied to Unit 2.

NRC approved A21 via letter dated 03/17/2000.

A40 amended the Unit 1 TS to allow Watts Bar to irradiate up to 2304 Tritium Producing Burnable Absorber Rods (TPBARs) in the reactor core each fuel cycle. TPBARS will NOT be used on Unit 2.

NRC approved A40 via letter dated 09/23/2002.

A48 amended the Unit 1 TS to revise the boron concentration requirements and limit the number of Tritium Producing Burnable Absorber Rods (TPBARs) that could be loaded and irradiated in the core to a corresponding value. TPBARS will NOT be used on Unit 2.

NRC approved A48 via letter dated 10/08/2003.

A67 amended the Unit 1 TS to revise the maximum number of TPBARs that can be irradiated in the Unit 1 reactor core to 400.

TPBARS will NOT be used on Unit 2; however, the boron concentration changes per this amendment will be used on Unit 2.

NRC approved A67 via letter dated 01/18/2008.

A77 amended the Unit 1 TS to revise the maximum number of TPBARs that can be irradiated in the Unit 1 reactor core to 704.

TPBARS will NOT be used on Unit 2.

NRC approved A77 via letter dated 05/04/2009.

A81 amended the Unit 1 TS to to extend the Completion Time for TS LCO 3.5.1, Condition B from 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. This change is to be applied to Unit 2.

NRC approved A81 via letter dated 09/09/2009.

AMENDMENT:

B Page 34 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.5.1 Accumulators R0 R03 R29 R39 (A21)

R98 (A81)

TS Bases 3.5.1 Accumulators R3 revised the Unit 1 TS Bases to reflect the implementation of a DCN that changed the cold leg accumulator tank pressure high/low setpoints.

This change is to be applied to Unit 2.

R3 was provided to NRC via letter dated 02/09/1998.

R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R39 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A21 (allows use of the Westinghouse generic best estimate large break loss of coolant accident analysis methodology, using the WCOBRA/TRAC code). This change is to be applied to Unit 2.

NRC approved A21 via letter dated 03/17/2000.

R98 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A81 (extends the Completion Time for TS LCO 3.5.1, Condition B from 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />). This change is to be applied to Unit 2.

NRC approved A81 via letter dated 09/09/2009.

AMENDMENT:

B TS 3.5.2 ECCS - Operating A0 A43 A55 TS 3.5.2 ECCS - Operating A43 amended the Unit 1 TS to revise, for one time only, a portion of SR 3.5.2.3. This change will NOT be applied to Unit 2.

NRC approved A43 via letter dated 05/01/2003.

A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005 AMENDMENT:

Page 35 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.5.2 ECCS - Operating R0 R14 R39 (A21)

R54 (A43)

R57 (A48)

R61 (A40)

R62 R68 (A55)

R80 R89 (A66)

TS Bases 3.5.2 ECCS - Operating R14 revised the Unit 1 TS Bases to update the hotleg recirculation timeframe. This change was superseded by later revisions, and will NOT be applied to Unit 2.

R14 was provided to NRC via letter dated 02/09/1998.

R39 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A21 (allows use of the Westinghouse generic best estimate large break loss of coolant accident analysis methodology, using the WCOBRA/TRAC code). This change is to be applied to Unit 2.

NRC approved A21 via letter dated 03/17/2000.

R54 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A43 (revise, for one time only, a portion of SR 3.5.2.3). This change will NOT be applied to Unit 2.

NRC approved A43 via letter dated 05/01/2003.

R57 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A48. The change to the TS Bases updated the hotleg recirculation timeframe. This change was superseded by later revision, and will NOT be applied to Unit 2.

A48 was provided to NRC via letter dated 10/08/2003.

R61 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A40. The change to the TS Bases updated the hotleg recirculation timeframe. This change is to be applied to Unit 2.

NRC approved A40 via letter dated 09/23/2002.

R62 revised the Unit 1 TS Bases to clarify ECCS venting. This change is to be applied to Unit 2.

R62 was provided to NRC via letter dated 04/20/2004.

R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

R80 revised the Unit 1 TS Bases to clarify that inspection of the containment sump strainer constitutes inspection of the trash rack and the screen functions. This change is to be applied to Unit 2.

R80 was provided to NRC via letter dated 05/23/2007.

AMENDMENT:

Page 36 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.

NRC approved A66 via letter dated 12/18/2006.

TS 3.5.3 ECCS - Shutdown A0 A55 TS 3.5.3 ECCS - Shutdown A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.5.3 ECCS - Shutdown R0 R68 (A55)

TS Bases 3.5.3 ECCS - Shutdown R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

Page 37 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.5.4 Refueling Water Storage Tank (RWST)

A0 A07 A40 A48 A67 A77 TS 3.5.4 Refueling Water Storage Tank (RWST)

A7 amended the Unit 1 TS to reflect changes due to Cycle 2 Core Reload Changes. The changes made to this subsection by A7 were superseded by A67.

NRC approved A7 via letter dated 09/11/1997.

A40 amended the Unit 1 TS to allow Watts Bar to irradiate up to 2304 Tritium Producing Burnable Absorber Rods (TPBARs) in the reactor core each fuel cycle. TPBARS will NOT be used on Unit 2.

NRC approved A40 via letter dated 09/23/2002.

A48 amended the Unit 1 TS to revise the boron concentration requirements and limit the number of Tritium Producing Burnable Absorber Rods (TPBARs) that could be loaded and irradiated in the core to a corresponding value. TPBARS will NOT be used on Unit 2.

NRC approved A48 via letter dated 10/08/2003.

A67 amended the Unit 1 TS to revise the maximum number of TPBARs that can be irradiated in the Unit 1 reactor core to 400.

TPBARS will NOT be used on Unit 2; however, the boron concentration changes per this amendment will be used on Unit 2.

NRC approved A67 via letter dated 01/18/2008.

A77 amended the Unit 1 TS to revise the maximum number of TPBARs that can be irradiated in the Unit 1 reactor core to 704.

TPBARS will NOT be used on Unit 2.

NRC approved A77 via letter dated 05/04/2009.

AMENDMENT:

B Page 38 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.5.4 Refueling Water Storage Tank (RWST)

R0 R13 (A07)

R29 R61 (A40/A48)

R88 (A67)

TS Bases 3.5.4 Refueling Water Storage Tank (RWST)

R13 revised the Unit 1 TS Bases to implement the changes made by A7 to the Unit 1 TS (changes due to Cycle 2 Core Reload Changes). The changes made to this subsection by R13 were superseded by R88.

NRC approved A7 via letter dated 09/11/1997.

R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R61 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A40 and 48 (specified maximum number of TPBARs that can be irradiated in the Unit 1 reactor core). TPBARS will NOT be used on Unit 2; however, the boron concentration changes per this revision will be used on Unit 2.

NRC approved Amendments 40 and 48 via letters dated 09/23/2002 and 10/08/2003, respectively.

R88 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A67 (revise the maximum number of TPBARs that can be irradiated in the Unit 1 reactor core to 400.) TPBARS will NOT be used on Unit 2; however, the boron concentration changes per this amendment will be used on Unit 2.

NRC approved A67 via letter dated 01/18/2008.

AMENDMENT:

TS 3.5.5 Seal Injection Flow A0 TS 3.5.5 Seal Injection Flow AMENDMENT:

TS Bases 3.5.5 Seal Injection Flow R0 R29 TS Bases 3.5.5 Seal Injection Flow R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

AMENDMENT:

Page 39 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.5.6 Boron Injection Tank (BIT)

XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

TS Bases 3.5.6 Boron Injection Tank (BIT)

XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

TS 3.6.1 Containment (Atmospheric, Subatmospheric, Ice Condenser, and Dual)

A0 A05 TS 3.6.1 Containment A5 amended the Unit 1 TS to Allow Appendix J, Option B Testing. This change is to be applied to Unit 2.

NRC approved A5 via letter dated 05/27/1997.

AMENDMENT:

TS Bases 3.6.1 Containment (Atmospheric, Subatmospheric, Ice Condenser, and Dual)

R0 R10 (A05)

TS Bases 3.6.1 Containment R10 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A5 (Allow Appendix J, Option B Testing). This change is to be applied to Unit 2.

NRC approved A5 via letter dated 05/27/1997.

AMENDMENT:

TS 3.6.2 Containment Air Locks (Atmospheric, Subatmospheric, Ice Condenser, and Dual)

A0 A05 TS 3.6.2 Containment Air Locks A5 amended the Unit 1 TS to Allow Appendix J, Option B Testing. This change is to be applied to Unit 2.

NRC approved A5 via letter dated 05/27/1997.

AMENDMENT:

TS Bases 3.6.2 Containment Air Locks (Atmospheric, Subatmospheric, Ice Condenser, and Dual)

R0 R05 R10 (A05)

TS Bases 3.6.2 Containment Air Locks R5 revised the Unit 1 TS Bases to clarify containment airlock door indication. This change is to be applied to Unit 2.

R5 was provided to NRC via letter dated 02/09/1998.

R10 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A5 (Allow Appendix J, Option B Testing). This change is to be applied to Unit 2.

NRC approved A5 via letter dated 05/27/1997.

AMENDMENT:

Page 40 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.6.3 Containment Isolation Valves (Atmospheric, Subatmospheric, Ice Condenser, and Dual)

A0 A05 A79 TS 3.6.3 Containment Isolation Valves A5 amended the Unit 1 TS to Allow Appendix J, Option B Testing. This change is to be applied to Unit 2.

NRC approved A5 via letter dated 05/27/1997.

A79 amended the Unit 1 TS to allow administrative means of position verification for locked or sealed containment isolation valves. This change is to be applied to Unit 2.

NRC approved A79 via letter dated 09/30/2009.

AMENDMENT:

B TS Bases 3.6.3 Containment Isolation Valves (Atmospheric, Subatmospheric, Ice Condenser, and Dual)

R0 R08 R10 (A05)

R98 (A79)

TS Bases 3.6.3 Containment Isolation Valves R8 revised the Unit 1 TS Bases to clarify actions related to administrative control of containment isolation valves discussed in LC0 3.6.3. This change is to be applied to Unit 2.

R8 was provided to NRC via letter dated 02/09/1998.

R10 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A5 (allow Option B Appendix J Testing). This change is to be applied to Unit 2.

NRC approved A5 via letter dated 05/27/1997.

R98 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A79 (allow administrative means of position verification for locked or sealed containment isolation valves). This change is to be applied to Unit 2.

NRC approved A79 via letter dated 09/30/2009.

AMENDMENT:

B TS 3.6.4A Containment Pressure (Atmospheric, Dual, and Ice Condenser)

A0 A59 TS 3.6.4 Containment Pressure A59 amended the Unit 1 TS to support steam generator replacement by allowing temporary use of penetrations in Shield Building Dome during Modes 1-4. This change will NOT be applied to Unit 2.

NRC approved A59 via letter dated 01/06/2006.

AMENDMENT:

Page 41 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.6.4A Containment Pressure (Atmospheric, Dual, and Ice Condenser)

R0 R29 R44 (A33)

R55 R71 (A59)

R76 TS Bases 3.6.4 Containment Pressure R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R44 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A33 (Lower minimum average weight for ice baskets and overall weight per WCAP-15699).

This change per this revision revised the peak containment pressure. This value was later corrected via R55, and then superseded by R76.

NRC approved A33 via letter dated 11/29/2001.

R55 revised the Unit 1 TS Bases to make an editorial correction. The change per this revision was superseded by change per R76.

R55 was provided to NRC via letter dated 04/20/2004.

R71 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A59 (support steam generator replacement by allowing temporary use of penetrations in Shield Building Dome during Modes 1-4). This change will NOT be applied to Unit 2.

NRC approved A59 via letter dated 01/06/2006.

R76 revised the Unit 1 TS Bases (the change per this revision that is applicable to this TS Bases portion was an update of the maximum expected containment pressure). This change is to be applied to Unit 2.

R76 was provided to NRC via letter dated 05/23/2007.

AMENDMENT:

TS 3.6.4B Containment Pressure (Subatmospheric)

XX XX XX This Containment Pressure specification is not the one for Watts Bar.

AMENDMENT:

TS Bases 3.6.4B Containment Pressure (Subatmospheric)

XX XX XX This Containment Pressure specification is not the one for Watts Bar.

AMENDMENT:

Page 42 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.6.5A Containment Air Temperature (Atmospheric and Dual)

XX XX XX This Containment Air Temperature specification is not the one for Watts Bar.

AMENDMENT:

TS Bases 3.6.5A Containment Air Temperature (Atmospheric and Dual)

XX XX XX This Containment Air Temperature specification is not the one for Watts Bar.

AMENDMENT:

TS 3.6.5B Containment Air Temperature (Ice Condenser)

A0 TS 3.6.5 Containment Air Temperature AMENDMENT:

TS Bases 3.6.5B Containment Air Temperature (Ice Condenser)

R0 R29 TS Bases 3.6.5 Containment Air Temperature R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

AMENDMENT:

TS 3.6.5C Containment Air Temperature (Subatmospheric)

XX XX XX This Containment Air Temperature specification is not the one for Watts Bar.

AMENDMENT:

TS Bases 3.6.5C Containment Air Temperature (Subatmospheric)

XX XX XX This Containment Air Temperature specification is not the one for Watts Bar.

AMENDMENT:

Page 43 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.6.6A Containment Spray and Cooling Systems (Atmospheric and Dual)

(Credit taken for iodine removal by the Containment Spray System)

XX XX XX This Containment Spray and Cooling Systems specification is not the one for Watts Bar.

AMENDMENT:

TS Bases 3.6.6A Containment Spray and Cooling Systems (Atmospheric and Dual)

(Credit taken for iodine removal by the Containment Spray System)

XX XX XX This Containment Spray and Cooling Systems specification is not the one for Watts Bar.

AMENDMENT:

TS 3.6.6B Containment Spray and Cooling Systems (Atmospheric and Dual)

(Credit not taken for iodine removal by the Containment Spray System)

XX XX XX This Containment Spray and Cooling Systems specification is not the one for Watts Bar.

AMENDMENT:

TS Bases 3.6.6B Containment Spray and Cooling Systems (Atmospheric and Dual)

(Credit not taken for iodine removal by the Containment Spray System)

XX XX XX This Containment Spray and Cooling Systems specification is not the one for Watts Bar.

AMENDMENT:

TS 3.6.6C Containment Spray System (Ice Condenser)

A0 TS 3.6.6 Containment Spray System AMENDMENT:

Page 44 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.6.6C Containment Spray System (Ice Condenser)

R0 R44 (A33)

R55 R76 R83 R89 (A66)

R100 TS Bases 3.6.6 Containment Spray System R44 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A33 (Lower minimum average weight for ice baskets and overall weight per WCAP-15699).

This change per this revision revised the peak containment pressure. This value was later corrected via R55, and then superseded by R76.

NRC approved A33 via letter dated 11/29/2001.

R55 revised the Unit 1 TS Bases to make an editorial correction. This change is NOT needed for this portion of the Unit 2 TS Bases.

R55 was provided to NRC via letter dated 04/20/2004.

R76 revised the Unit 1 TS Bases (the change per this revision that is applicable to this TS Bases portion was an update of the maximum expected containment pressure). This change is to be applied to Unit 2.

R76 was provided to NRC via letter dated 05/23/2007.

R83 revised the Unit 1 TS Bases to specify a reference for the number of unobstructed nozzles for SR 3.6.6.5. This change is to be applied to Unit 2.

R83 was provided to NRC via letter dated 005/23/2007.

R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.

NRC approved A66 via letter dated 12/18/2006.

R100 revised the Unit 1 TS Bases to clarify that the suction realignment from the RWST to the containment sump is done manually upon receipt of a Low-Low level alarm for the RWST. This change is to be applied to Unit 2.

R100 was approved on 11/05/2009.

AMENDMENT:

B TS 3.6.6D Quench Spray (QS)

System (Subatmospheric)

XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

Page 45 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.6.6D Quench Spray (QS)

System (Subatmospheric)

XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

TS 3.6.6E Recirculation Spray (RS)

System (Subatmospheric)

XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

TS Bases 3.6.6E Recirculation Spray (RS)

System (Subatmospheric)

XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

TS 3.6.8 Hydrogen Recombiners (Atmospheric, Subatmospheric, Ice Condenser, and Dual) (if permanently installed)

A0 A55 A72 TS 3.6.7 Hydrogen Recombiners A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

A72 TS deleted the Hydrogen Recombiners from the TS. This change is to be applied to Unit 2.

NRC approved A72 via letter dated 12/23/08.

AMENDMENT:

B Page 46 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.6.8 Hydrogen Recombiners (Atmospheric, Subatmospheric, Ice Condenser, and Dual) (if permanently installed)

R0 R61 (A40)

R68 (A55)

R94 (A72)

TS Bases 3.6.7 Hydrogen Recombiners R61 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A40. The change to the TS Bases updated the hydrogen concentrations versus time frames. This change is to be applied to Unit 2.

NRC approved A40 via letter dated 09/23/2002.

R68 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

R94 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A72 (deleted the Hydrogen Recombiners). This change is to be applied to Unit 2.

NRC approved A72 via letter dated 12/23/2008.

AMENDMENT:

B TS 3.6.9 Hydrogen Mixing System (Atmospheric, Ice Condenser, and Dual)

XX XX XX This section is not contained in the Unit 1 TS / TS Bases.

AMENDMENT:

TS Bases 3.6.9 Hydrogen Mixing System (Atmospheric, Ice Condenser, and Dual)

XX XX XX This section is not contained in the Unit 1 TS / TS Bases.

AMENDMENT:

TS 3.6.10 Hydrogen Ignition System (HIS) (Ice Condenser)

A0 A10 TS 3.6.8 Hydrogen Mitigation System (HMS)

A10 amended the Unit 1 TS for a one time exception to allow certain hydrogen igniters to be inoperable for a limited time period. This change is NOT to be applied to Unit 2.

NRC approved A10 via letter dated 06/09/1998.

AMENDMENT:

TS Bases 3.6.10 Hydrogen Ignition System (HIS) (Ice Condenser)

R0 R16 (A10)

TS Bases 3.6.8 Hydrogen Mitigation System (HMS)

R16 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A10 (one time exception to allow certain hydrogen igniters to be inoperable for a limited time period).

This change is NOT to be applied to Unit 2.

NRC approved A10 via letter dated 06/09/1998.

AMENDMENT:

Page 47 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.6.11 Iodine Cleanup System (Atmospheric and Subatmospheric)

XX XX XX This section is not contained in the Unit 1 TS / TS Bases.

AMENDMENT:

TS Bases 3.6.11 Iodine Cleanup System (Atmospheric and Subatmospheric)

XX XX XX This section is not contained in the Unit 1 TS / TS Bases.

AMENDMENT:

TS 3.6.12 Vacuum Relief Valves (Atmospheric and Ice Condenser)

XX XX XX This section is not contained in the Unit 1 TS / TS Bases.

AMENDMENT:

TS Bases 3.6.12 Vacuum Relief Valves (Atmospheric and Ice Condenser)

XX XX XX This section is not contained in the Unit 1 TS / TS Bases.

AMENDMENT:

TS 3.6.13 Shield Building Air Cleanup System (SBACS) (Dual and Ice Condenser)

A0 TS 3.6.9 Emergency Gas Treatment System (EGTS)

AMENDMENT:

Page 48 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.6.13 Shield Building Air Cleanup System (SBACS) (Dual and Ice Condenser)

R0 R15 R29 R71 (A59)

R84 R85 TS Bases 3.6.9 Emergency Gas Treatment System (EGTS)

R15 revised the Unit 1 TS Bases to clarify EGTS logic testing.

R15 was provided to NRC via letter dated 10/18/1999.

R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R71 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A59 (support steam generator replacement by allowing temporary use of penetrations in Shield Building Dome during Modes 1-4). This change will NOT be applied to Unit 2.

NRC approved A59 via letter dated 01/06/2006.

R84 revised the Unit 1 TS Bases to show the operation of the EGTS when annulus pressure is not within limits. This change is to be applied to Unit 2.

R84 was provided to NRC via letter dated 05/23/2007.

R85 revised the Unit 1 TS Bases to clarify operation of the EGTS. This change is to be applied to Unit 2.

R85 was provided to NRC via letter dated 05/23/2007.

AMENDMENT:

TS 3.6.14 Air Return System (Ice Condenser)

A0 TS 3.6.10 Air Return System (ARS)

AMENDMENT:

TS Bases 3.6.14 Air Return System (Ice Condenser)

R0 TS Bases 3.6.10 Air Return System (ARS)

AMENDMENT:

Page 49 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.6.15 Ice Bed (Ice Condenser)

A0 A02 A22 A25 A33 A62 TS 3.6.11 Ice Bed A2 amended the Unit 1 TS to revise the frequency of SRs in 3.6.11 to coincide with outages. This change is to be applied to Unit 2.

NRC approved A2 via letter dated 06/13/1996.

A22 amended the Unit 1 TS to change SR frequency and sampling requirements for all additions to ice bed. This change is to be applied to Unit 2.

NRC approved A22 via letter dated 03/21/2000.

A25 amended the Unit 1 TS to revise the inspection requirements for ice condenser flow channels. This change is to be applied to Unit 2.

NRC approved A25 via letter dated 07/17/2000.

A33 amended the Unit 1 TS to lower minimum average weight for ice baskets and overall weight per WCAP-15699. This change is to be applied to Unit 2.

NRC approved A33 via letter dated 11/29/2001.

A62 amended the Unit 1 TS to support steam generator replacement - increased minimum ice weight and total weight of stored ice. This changes will NOT be applied to Unit 2.

NRC approved A62 via letter dated 07/25/2006.

AMENDMENT:

Page 50 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.6.15 Ice Bed (Ice Condenser)

R0 R04 (A02)

R21 R29 R36 (A22 &

A25)

R44 (A33)

R81 (A62)

TS Bases 3.6.11 Ice Bed R4 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A2 (revise the frequency of SRs in 3.6.11 to coincide with outages.) This change is to be applied to Unit 2.

NRC approved A2 via letter dated 06/13/1996.

R21 revised the Unit 1 TS Bases to clarify ice condenser door ACTIONS and door lift tests, and Ice Bed sampling and flow blockage SRs. The changes to this portion of the Unit 1 TS Bases were superseded by those made per R36 to the Unit 1 TS Bases.

R21 was provided to NRC via letter dated 10/18/1999.

R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R36 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A22 (change SR frequency and sampling requirements for all additions to ice bed) and Unit 1 TS A25 (revise the inspection requirements for ice condenser flow channels). This change is to be applied to Unit 2.

NRC approved A22 via letter dated 03/21/2000; NRC approved A25 via letter dated 07/17/2000.

R44 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A33 (Lower minimum average weight for ice baskets and overall weight per WCAP-15699).

This change is to be applied to Unit 2.

NRC approved A33 via letter dated 11/29/2001.

R81 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A62 (support steam generator replacement -

increased minimum ice weight and total weight of stored ice.) This changes will NOT be applied to Unit 2.

NRC approved A62 via letter dated 07/25/2006.

AMENDMENT:

TS 3.6.16 Ice Condenser Doors (Ice Condenser)

A0 A03 TS 3.6.12 Ice Condenser Doors A3 amended the Unit 1 TS to allow a one time extension of the 3 month surveillance requirement for the ice condenser lower inlet doors. This change will NOT be applied to Unit 2.

NRC approved A3 via letter date 09/09/1996.

AMENDMENT:

Page 51 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.6.16 Ice Condenser Doors (Ice Condenser)

R0 R06 (A03)

R21 R36 (A25)

TS Bases 3.6.12 Ice Condenser Doors R6 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A3 (allow a one time extension of the 3 month surveillance requirement for the ice condenser lower inlet doors). This change will NOT be applied to Unit 2.

NRC approved A3 via letter date 09/09/1996.

R21 revised the Unit 1 TS Bases to clarify ice condenser door ACTIONS and door lift tests, and Ice Bed sampling and flow blockage SRs. This portion of this revision will be applied to Unit 2.

R21 was provided to NRC via letter dated 10/18/1999.

R36 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A25 (revise the inspection requirements for ice condenser flow channels - the applicable portion for this part of the TS Bases added a note for ACTIONS B.1 and B.2). This change is to be applied to Unit 2.

NRC approved A25 via letter dated 07/17/2000.

AMENDMENT:

TS 3.6.17 Divider Barrier Integrity (Ice Condenser)

A0 TS 3.6.13 Divider Barrier Integrity AMENDMENT:

TS Bases 3.6.17 Divider Barrier Integrity (Ice Condenser)

R0 TS Bases 3.6.13 Divider Barrier Integrity AMENDMENT:

TS 3.6.18 Containment Recirculation Drains (Ice Condenser)

A0 TS 3.6.14 Containment Recirculation Drains AMENDMENT:

TS Bases 3.6.18 Containment Recirculation Drains (Ice Condenser)

R0 TS Bases 3.6.14 Containment Recirculation Drains AMENDMENT:

Page 52 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.6.19 Shield Building (Dual and Ice Condenser)

A0 A59 TS 3.6.15 Shield Building A59 amended the Unit 1 TS to support steam generator replacement by allowing temporary use of penetrations in Shield Building Dome during Modes 1-4. This change will NOT be applied to Unit 2.

NRC approved A59 via letter dated 01/06/2006.

AMENDMENT:

TS Bases 3.6.19 Shield Building (Dual and Ice Condenser)

R0 R29 R71 (A59)

R84 R85 TS Bases 3.6.15 Shield Building R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R71 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A59 (support steam generator replacement by allowing temporary use of penetrations in Shield Building Dome during Modes 1-4). This change will NOT be applied to Unit 2.

NRC approved A59 via letter dated 01/06/2006.

R84 revised the Unit 1 TS Bases to show the operation of the EGTS when annulus pressure is not within limits. This change is to be applied to Unit 2.

R84 was provided to NRC via letter dated 05/23/2007.

R85 revised the Unit 1 TS Bases to clarify operation of the EGTS. This change is to be applied to Unit 2.

R85 was provided to NRC via letter dated 05/23/2007.

AMENDMENT:

TS 3.7.1 Main Steam Safety Valves (MSSVs)

A0 A19 A31 TS 3.7.1 Main Steam Safety Valves (MSSVs)

A19 amended the Unit 1 TS (3.7.1) to provide a new requirement to reduce the power range neutron flux high reactor trip setpoints when two or more main steam safety valves per steam generator are inoperable. This change is applicable to Unit 2.

NRC approved A19 via letter dated 03/07/2000.

A31 amended the Unit 1 TS to approve Power Uprate using Leading Edge Flow Meter (LEFM) for Unit 1. This change will NOT be implemented on Unit 2 at this time.

NRC approved A31 via letter dated 01/19/2001.

AMENDMENT:

Page 53 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.7.1 Main Steam Safety Valves (MSSVs)

R0 R31 (A19)

R41 (A31)

R89 (A66)

TS Bases 3.7.1 Main Steam Safety Valves (MSSVs)

R31 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A19 (3.7.1: provide a new requirement to reduce the power range neutron flux high reactor trip setpoints when two or more main steam safety valves per steam generator are inoperable). This change is applicable to Unit 2.

NRC approved A19 via letter dated 03/07/2000.

R41 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by A31

{approve Power Uprate using Leading Edge Flow Meter (LEFM) for Unit 1}. This change will NOT be implemented on Unit 2 at this time.

NRC approved A31 via letter dated 01/19/2001.

R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.

NRC approved A66 via letter dated 12/18/2006.

AMENDMENT:

TS 3.7.2 Main Steam Isolation Valves (MSIVs)

A0 TS 3.7.2 Main Steam Isolation Valves (MSIVs)

AMENDMENT:

TS Bases 3.7.2 Main Steam Isolation Valves (MSIVs)

R0 R89 (A66)

TS Bases 3.7.2 Main Steam Isolation Valves (MSIVs)

R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.

NRC approved A66 via letter dated 12/18/2006.

AMENDMENT:

TS 3.7.3 Main Feedwater Isolation Valves (MFIVs) and Main Feedwater Regulation Valves (MFRVs) [and Associated Bypass Valves]

A0 TS 3.7.3 Main Feedwater Isolation Valves (MFIVs) and Main Feedwater Regulation Valves (MFRVs) and Associated Bypass Valves AMENDMENT:

Page 54 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.7.3 Main Feedwater Isolation Valves (MFIVs) and Main Feedwater Regulation Valves (MFRVs) [and Associated Bypass Valves]

R0 R76 R89 (A66)

TS Bases 3.7.3 Main Feedwater Isolation Valves (MFIVs) and Main Feedwater Regulation Valves (MFRVs) and Associated Bypass Valves R76 revised the Unit 1 TS Bases (the change per this revision that is applicable to this TS Bases portion was the elimination of feedwater tempering flow; this was part of steam generator replacement). This change will NOT be applied to Unit 2.

R76 was provided to NRC via letter dated 05/23/2007.

R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.

NRC approved A66 via letter dated 12/18/2006.

AMENDMENT:

TS 3.7.4 Atmospheric Dump Valves (ADVs)

A0 A16 A55 TS 3.7.4 Atmospheric Dump Valves (ADVs)

A16 amended the Unit 1 TS to address condition when 2 ADVs are inoperable due to safety-related air train taken out of service. This change is to be applied to Unit 2.

NRC approved A16 via letter dated 12/17/1998.

A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.7.4 Atmospheric Dump Valves (ADVs)

R0 R24 (A16)

R68 (A55)

TS Bases 3.7.4 Atmospheric Dump Valves (ADVs)

R24 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A16 (address condition when 2 ADVs are inoperable due to safety-related air train taken out of service). This change is to be applied to Unit 2.

NRC approved A16 via letter dated 12/17/1998 R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

Page 55 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.7.5 Auxiliary Feedwater (AFW)

System A0 A13 A55 TS 3.7.5 Auxiliary Feedwater (AFW)

System A13 amended the Unit 1 TS to clarify the intent of the surveillance testing requirements for the turbine driven auxiliary feedwater pump and make them consistent with the wording and intent of the Westinghouse STS. This change is to be applied to Unit 2.

NRC approved A13 via letter dated 10/26/1998.

A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.7.5 Auxiliary Feedwater (AFW)

System R0 R20 (A13)

R68 (A55)

R89 (A66)

TS Bases 3.7.5 Auxiliary Feedwater (AFW)

System R20 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A13 (clarify the intent of the surveillance testing requirements for the turbine driven auxiliary feedwater pump and make them consistent with the wording and intent of the Westinghouse STS). This change is to be applied to Unit 2.

NRC approved A13 via letter dated 10/26/1998.

R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.

NRC approved A66 via letter dated 12/18/2006.

AMENDMENT:

TS 3.7.6 Condensate Storage Tank (CST)

A0 TS 3.7.6 Condensate Storage Tank (CST)

AMENDMENT:

Page 56 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.7.6 Condensate Storage Tank (CST)

R0 R29 R41 (A31)

TS Bases 3.7.6 Condensate Storage Tank (CST)

R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R41 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by A31

{approve Power Uprate using Leading Edge Flow Meter (LEFM) for Unit 1}. This change will NOT be implemented on Unit 2 at this time.

NRC approved A31 via letter dated 01/19/2001.

AMENDMENT:

TS 3.7.7 Component Cooling Water (CCW) System A0 TS 3.7.7 Component Cooling System (CCS)

AMENDMENT:

TS Bases 3.7.7 Component Cooling Water (CCW) System R0 TS Bases 3.7.7 Component Cooling System (CCS)

AMENDMENT:

TS 3.7.8 Service Water System (SWS)

A0 A69 TS 3.7.8 Essential Raw Cooling Water (ERCW) System A69 amended the Unit 1 TS was a ONE time change to address ERCW pumps A-1 and B-1 being inoperable. This change will NOT be applied to Unit 2.

NRC approved A69 via letter dated 07/24/2008.

AMENDMENT:

TS Bases 3.7.8 Service Water System (SWS)

R0 TS Bases 3.7.8 Essential Raw Cooling Water (ERCW) System AMENDMENT:

TS 3.7.9 Ultimate Heat Sink (UHS)

A0 TS 3.7.9 Ultimate Heat Sink (UHS)

AMENDMENT:

Page 57 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.7.9 Ultimate Heat Sink (UHS)

R0 R29 TS Bases 3.7.9 Ultimate Heat Sink (UHS)

R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

AMENDMENT:

TS 3.7.10 Control Room Emergency Filtration System (CREFS)

A0 A35 A70 TS 3.7.10 Control Room Emergency Ventilation System (CREVS)

A35 amended the Unit 1 TS to eliminate ESF operability requirements that do not involve the movement of irradiated fuel during core alterations (part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

NRC approved A35 via letter dated 01/22/2002.

A70 amended the Unit 1 TS to adopt TSTF Change Traveler TSTF-448, R3: Control Room Envelope Habitability. This change is to be applied to Unit 2.

NRC approved A70 via letter dated 10/08/2008.

AMENDMENT:

TS Bases 3.7.10 Control Room Emergency Filtration System (CREFS)

R0 R45 (A35)

R64 (A50)

R91 (A70)

TS Bases 3.7.10 Control Room Emergency Ventilation System (CREVS)

R45 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A35 (Eliminate ESF operability requirements that do not involve the movement of irradiated fuel during core alterations this was part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

NRC approved A35 via letter dated 01/22/2002.

R64 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A50 (seismic qualification of Main Control Room duct work). This change is to be applied to Unit 2.

NRC approved A50 via letter dated 02/12/2004.

R91 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A70 (Adopt TSTF Change Traveler TSTF-448, R3:

Control Room Envelope Habitability.). This change is to be applied to Unit 2.

NRC approved A70 via letter dated 10/08/2008.

AMENDMENT:

TS 3.7.11 Control Room Emergency Air Temperature Control System (CREATCS)

A0 A35 TS 3.7.11 Control Room Emergency Air Temperature Control System (CREATCS)

A35 amended the Unit 1 TS to eliminate ESF operability requirements that do not involve the movement of irradiated fuel during core alterations (part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

NRC approved A35 via letter dated 01/22/2002.

AMENDMENT:

Page 58 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.7.11 Control Room Emergency Air Temperature Control System (CREATCS)

R0 R45 (A35)

R64 (A50)

TS Bases 3.7.11 Control Room Emergency Air Temperature Control System (CREATCS)

R45 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A35 (Eliminate ESF operability requirements that do not involve the movement of irradiated fuel during core alterations; this was part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

NRC approved A35 via letter dated 01/22/2002.

R64 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A50 (seismic qualification of Main Control Room duct work). This change is to be applied to Unit 2.

NRC approved A50 via letter dated 02/12/2004.

AMENDMENT:

TS 3.7.12 Emergency Core Cooling System (ECCS) Pump Room Exhaust Air Cleanup System (PREACS)

XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

TS Bases 3.7.12 Emergency Core Cooling System (ECCS) Pump Room Exhaust Air Cleanup System (PREACS)

XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

TS 3.7.13 Fuel Building Air Cleanup System (FBACS)

A0 TS 3.7.12 Auxiliary Building Gas Treatment System (ABGTS)

AMENDMENT:

Page 59 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.7.13 Fuel Building Air Cleanup System (FBACS)

R0 R29 R35 R55 R87 TS Bases 3.7.12 Auxiliary Building Gas Treatment System (ABGTS)

R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R35 revised the Unit 1 TS Bases to clarify ABGTS surveillance. This change is to be applied to Unit 2.

R35 was provided to the NRC via letter dated 03/27/2001.

R55 revised this portion of the Unit 1 TS Bases to reflect sources of assumptions and analysis for different accidents. This change is to be applied to this portion of the Unit 2 TS Bases.

R55 was provided to NRC via letter dated 04/20/2004.

R87 revised the Unit 1 TS Bases because of DCN 52220-A: tied the ABI and CVI signals together so that either signal initiates the other signal. This change is to be applied to Unit 2.

R87 was provided to the NRC via letter dated 09/22/2008.

AMENDMENT:

TS 3.7.14 Penetration Room Exhaust Air Cleanup System (PREACS)

XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

TS Bases 3.7.14 Penetration Room Exhaust Air Cleanup System (PREACS)

XX XX XX This specification is not applicable to Watts Bar.

AMENDMENT:

TS 3.7.15 Fuel Storage Pool Water Level A0 TS 3.7.13 Fuel Storage Pool Water Level AMENDMENT:

Page 60 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.7.15 Fuel Storage Pool Water Level R0 TS Bases 3.7.13 Fuel Storage Pool Water Level AMENDMENT:

TS 3.7.16 Fuel Storage Pool Boron Concentration A0 TS 3.9.9 Spent Fuel Pool Boron Concentration AMENDMENT:

TS Bases 3.7.16 Fuel Storage Pool Boron Concentration R0 R11 (A06)

R86 TS Bases 3.9.9 Spent Fuel Pool Boron Concentration R11 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A6 (Amended the Unit 1 TS to increase the spent fuel storage capacity. The change to this portion of the basis clarified the meaning of fuel movement.). This change is to be applied to Unit 2.

NRC approved A6 via letter dated 07/28/1997.

R86 revised the Unit 1 TS Bases to delete the reference to Figure 3.7.15-1. The figure was deleted as part of A40; however, the reference it was not deleted at the time A40 was incorporated into the Technical Specifications. This change is to be applied to Unit 2.

R86 was provided to NRC via letter dated 09/22/2008.

AMENDMENT:

TS 3.7.17 Spent Fuel Assembly Storage A06 A40 TS 3.7.15 Spent Fuel Assembly Storage A6 amended the Unit 1 TS to increase the spent fuel storage capacity; included in this Amendment was the addition of TS LCO 3.7.15. This change is to be applied to Unit 2.

NRC approved A6 via letter dated 07/28/1997.

A40 amended the Unit 1 TS to allow Watts Bar to irradiate up to 2304 Tritium Producing Burnable Absorber Rods (TPBARs) in the reactor core each fuel cycle. TPBARS will NOT be used on Unit 2; however, the changes made to this portion of the TS / TS Bases (i.e., refer to TS 4.3.1.1 for limitations on fuel to be stored) will be used.

NRC approved A40 via letter dated 09/23/2002.

AMENDMENT:

Page 61 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.7.17 Spent Fuel Assembly Storage R11 (A06)

R61 (A40)

TS Bases 3.7.15 Spent Fuel Assembly Storage R11 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A6 (Amended the Unit 1 TS to increase the spent fuel storage capacity; included in this Amendment was the addition of TS LCO 3.7.15.). This change is to be applied to Unit 2.

NRC approved A6 via letter dated 07/28/1997.

R61 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A40 {Allows Unit 1 to irradiate a specific number of Tritium Producing Burnable Adsorber Rods (TPBARs) in the reactor core each cycle.}.

TPBARS will not be used on Unit 2; however, the changes made to this portion of the TS / TS Bases (i.e., refer to TS 4.3.1.1 for limitations on fuel to be stored) will be used.

NRC approved A40 via letter dated 09/23/2002.

AMENDMENT:

TS 3.7.18 Secondary Specific Activity A0 TS 3.7.14 Secondary Specific Activity AMENDMENT:

TS Bases 3.7.18 Secondary Specific Activity R0 R47 (A38)

TS Bases 3.7.14 Secondary Specific Activity R47 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A38 (incorporate voltage-based Alternate Repair Criteria for steam generator tubes). This change will NOT be applied to Unit 2 at this time.

NRC approved A38 via letter dated 02/26/2002.

AMENDMENT:

Page 62 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.8.1 AC Sources - Operating A0 A12 A30 A39 A55 AXX TS 3.8.1 AC Sources - Operating A12 amended the Unit 1 TS to allow online testing of diesel generator batteries and performance of diesel generator 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> endurance run. This change is to be applied to Unit 2.

NRC approved A12 via letter dated 10/19/1998.

A30 amended the Unit 1 TS to extend (on a one time basis) the Action Completion Time for diesel generator 1 B B from 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to 10 days in order to allow the replacement of the diesel's electric generator. This change will NOT be applied to Unit 2.

NRC approved A30 via letter dated 12/08/2000.

A39 amended the Unit 1 TS to revise LCO 3.8.1's allowed outage time to restore an inoperable emergency diesel generator to operable status from 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to 14 days. This change will NOT be applied to Unit 2.

NRC approved A39 via letter dated 07/01/2002.

A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

A request was submitted to the NRC via letter dated 11/30/2009 to change the AOT from "14 days" to "72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />." This change was made to Unit 2 TS in revision A.

This information is being provided for continuity purpose.

AMENDMENT:

B Page 63 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.8.1 AC Sources - Operating R0 R19 (A12)

R50 (A39)

R63 R65 R68 (A55)

RXX (AXX)

TS Bases 3.8.1 AC Sources - Operating R19 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A12 (allow online testing of diesel generator batteries and performance of diesel generator 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> endurance run). This change is to be applied to Unit 2.

NRC approved A12 via letter dated 10/19/1998.

R50 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A39 (revise LCO 3.8.1's allowed outage time to restore an inoperable emergency diesel generator to operable status from 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to 14 days). This change will NOT be applied to Unit 2.

NRC approved A39 via letter dated 07/01/2002.

R63 revised the Unit 1 TS Bases to reword the contingency actions to be consistent with NRC SE that approved TS A39. This change will NOT be applied to Unit 2.

R63 was provided to NRC via letter dated 04/20/2004.

R65 revised the Unit 1 TS Bases to clarify that a common cause assessment is not required when a DG is made inoperable due to the performance of a surveillance. This change is to be applied to Unit 2.

R65 was provided to NRC via letter dated 04/20/2004.

R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

A request was submitted to the NRC via letter dated 11/30/2009 to change the AOT from "14 days" to "72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />." This change was made to Unit 2 TS in revision A.

This information is being provided for continuity purpose.

AMENDMENT:

B TS 3.8.2 AC Sources - Shutdown A0 TS 3.8.2 AC Sources - Shutdown AMENDMENT:

Page 64 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.8.2 AC Sources - Shutdown R0 TS Bases 3.8.2 AC Sources - Shutdown AMENDMENT:

TS 3.8.3 Diesel Fuel Oil, Lube Oil, and Starting Air A0 TS 3.8.3 Diesel Fuel Oil, Lube Oil, and Starting Air AMENDMENT:

TS Bases 3.8.3 Diesel Fuel Oil, Lube Oil, and Starting Air R0 R29 R55 TS Bases 3.8.3 Diesel Fuel Oil, Lube Oil, and Starting Air R29 revised the Unit 1 TS Bases to add notes to address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

R29 was provided to NRC via letter dated 03/27/2001.

R55 revised this portion of the Unit 1 TS Bases to make editorial corrections. This change is to be applied to this portion of the Unit 2 TS Bases.

R55 was provided to NRC via letter dated 04/20/2004.

AMENDMENT:

TS 3.8.4 DC Sources - Operating A0 A12 A54 TS 3.8.4 DC Sources - Operating A12 amended the Unit 1 TS to allow online testing of diesel generator batteries and performance of diesel generator 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> endurance run. This change is to be applied to Unit 2.

NRC approved A12 via letter dated 10/19/1998.

A54 amended the Unit 1 TS to remove the term inter-rack and associated wording from TS SRs 3.8.4.6 and 3.8.4.10 for the 125 Volt Direct Current electrical power subsystems of the emergency diesel generators. This change is to be applied to Unit 2.

NRC approved A54 via letter dated 02/07/2005.

AMENDMENT:

Page 65 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.8.4 DC Sources - Operating R0 R19 (A12)

R56 R66 R69 (A54)

TS Bases 3.8.4 DC Sources - Operating R19 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A12 (allow online testing of diesel generator batteries and performance of diesel generator 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> endurance run). This change is to be applied to Unit 2.

NRC approved A12 via letter dated 10/19/1998.

R56 revised the Unit 1 TS Bases to provide clarification of inter-tier connection resistance test.

This change is to be applied to Unit 2.

R56 was provided to NRC via letter dated 04/20/2004.

R66 revised the Unit 1 TS Bases to add a reference to SR 3.8.4.13 that was inadvertently deleted by the changes made for A12. This change will NOT be applied to Unit 2.

R66 was provided to NRC via letter dated 09/16/2005.

R69 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A54 (remove the term inter-rack and associated wording from TS SRs 3.8.4.6 and 3.8.4.10 for the 125 Volt Direct Current electrical power subsystems of the emergency diesel generators.)

This change is to be applied to Unit 2.

NRC approved A54 via letter dated 02/07/2005.

AMENDMENT:

TS 3.8.5 DC Sources - Shutdown A0 TS 3.8.5 DC Sources - Shutdown AMENDMENT:

TS Bases 3.8.5 DC Sources - Shutdown R0 TS Bases 3.8.5 DC Sources - Shutdown AMENDMENT:

TS 3.8.6 Battery Cell Parameters A0 TS 3.8.6 Battery Cell Parameters AMENDMENT:

Page 66 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.8.6 Battery Cell Parameters R0 TS Bases 3.8.6 Battery Cell Parameters AMENDMENT:

TS 3.8.7 Inverters - Operating A0 A45 A76 TS 3.8.7 Inverters - Operating A45 amended the Unit 1 TS to require only one inverter for each of the four instrument channels.

This change is to be applied to Unit 2. [NOTE:

A76 later changed this.]

NRC approved A45 via letter dated 09/08/2003.

A76 amended the Unit 1 TS to revise the requirements for numbers of inverters to reflect installation of the Unit 2 inverters. This change is to be applied to Unit 2.

NRC approved A76 via letter dated 03/24/2009.

AMENDMENT:

B TS Bases 3.8.7 Inverters - Operating R0 R58 (A45)

R67 R75 (A45)

R76 (A45)

R77 (A45)

R78 (A45)

(A76)

TS Bases 3.8.7 Inverters - Operating R58 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A45 (require only one inverter for each of the four instrument channels). This change is to be applied to Unit 2.

NRC approved A45 via letter dated 09/08/2003.

R67 revised the Unit 1 TS Bases to incorporate changes to the Vital Inverters (DCN 51370). Refer to changes for R58 (A45). This change is to be applied to Unit 2.

R67 was provided to NRC via letter dated 09/16/2005.

Revisions 75, 76, 77, and 78 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A45 (require only one inverter for each of the four instrument channels). This change is to be applied to Unit 2.

NRC approved A45 via letter dated 09/08/2003.

A76 amended the Unit 1 TS to revise the requirements for numbers of inverters to reflect installation of the Unit 2 inverters. The bases were revised accordiongly. This change is to be applied to Unit 2.

NRC approved A76 via letter dated 03/24/2009.

AMENDMENT:

B Page 67 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.8.8 Inverters - Shutdown A0 TS 3.8.8 Inverters - Shutdown AMENDMENT:

TS Bases 3.8.8 Inverters - Shutdown R0 R58 (A45)

R67 R75 (A45)

R76 (A45)

R77 (A45)

R78 (A45)

TS Bases 3.8.8 Inverters - Shutdown R58 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A45 (require only one inverter for each of the four instrument channels). This change is to be applied to Unit 2.

NRC approved A45 via letter dated 09/08/2003.

R67 revised the Unit 1 TS Bases to incorporate changes to the Vital Inverters (DCN 51370). Refer to changes for R58 (A45). This change is to be applied to Unit 2.

R67 was provided to NRC via letter dated 09/16/2005.

Revisions 75, 76, 77, and 78 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A45 (require only one inverter for each of the four instrument channels). This change is to be applied to Unit 2.

NRC approved A45 via letter dated 09/08/2003.

AMENDMENT:

TS 3.8.9 Distribution Systems -

Operating A0 TS 3.8.9 Distribution Systems -

Operating AMENDMENT:

Page 68 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.8.9 Distribution Systems -

Operating R0 R33 R67 R75 (A45)

R76 (A45)

R77 (A45)

R78 (A45)

TS Bases 3.8.9 Distribution Systems -

Operating R33 revised the Unit 1 TS Bases to identify four distribution boards primarily used for operational convenience. This change is to be applied to Unit 2.

R33 was provided to NRC via letter dated 03/27/2001.

R67 revised the Unit 1 TS Bases to incorporate changes to the Vital Inverters (DCN 51370). Refer to changes for R58 (A45). This change is to be applied to Unit 2.

R67 was provided to NRC via letter dated 09/16/2005.

Revisions 75, 76, 77, and 78 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A45 (require only one inverter for each of the four instrument channels). This change is to be applied to Unit 2.

NRC approved A45 via letter dated 09/08/2003.

AMENDMENT:

TS 3.8.10 Distribution Systems -

Operating A0 TS 3.8.10 Distribution Systems -

Operating AMENDMENT:

TS Bases 3.8.10 Distribution Systems -

Shutdown R0 TS Bases 3.8.10 Distribution Systems -

Shutdown AMENDMENT:

TS 3.9.1 Boron Concentration A0 A55 TS 3.9.1 Boron Concentration A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This portion of the change is NOT needed for Unit 2: the Amendment made the Unit 1 TS agree with R0 of the STS, and R0 of the STS is the document being marked up for Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.9.1 Boron Concentration R0 R68 (A55)

TS Bases 3.9.1 Boron Concentration R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This portion of the change is NOT needed for Unit 2: the revision made the Unit 1 TS Bases agree with R0 of the STS Bases, and R0 of the STS is the document being marked up for Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

Page 69 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 3.9.2 Unborated Water Source Isolation Valves A0 A55 TS 3.9.2 Unborated Water Source Isolation Valves A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This portion of the change is NOT needed for Unit 2: the Amendment made the Unit 1 TS agree with R0 of the STS, and R0 of the STS is the document being marked up for Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.9.2 Unborated Water Source Isolation Valves R0 R68 (A55)

TS Bases 3.9.2 Unborated Water Source Isolation Valves R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This portion of the change is NOT needed for Unit 2: the revision made the Unit 1 TS Bases agree with R0 of the STS Bases, and R0 of the STS is the document being marked up for Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS 3.9.3 Nuclear Instrumentation A0 TS 3.9.3 Nuclear Instrumentation AMENDMENT:

TS Bases 3.9.3 Nuclear Instrumentation R0 TS Bases 3.9.3 Nuclear Instrumentation AMENDMENT:

TS 3.9.4 Containment Penetrations A0 A26 A35 TS 3.9.4 Containment Penetrations A26 amended the Unit 1 TS to allow containment personnel airlock and certain containment penetrations to remain open during refueling outage under appropriate administrative controls.

This change is to be applied to Unit 2.

NRC approved A26 via letter dated 08/24/2000.

A35 amended the Unit 1 TS to eliminate ESF operability requirements that do not involve the movement of irradiated fuel during core alterations (part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

NRC approved A35 via letter dated 01/22/2002.

AMENDMENT:

Page 70 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.9.4 Containment Penetrations R0 R37 (A26)

R45 (A35)

R46 R73 R74 TS Bases 3.9.4 Containment Penetrations R37 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A26 (Allow containment personnel airlock and certain containment penetrations to remain open during refueling outage under appropriate administrative controls.). This change is to be applied to Unit 2.

NRC approved A26 via letter dated 08/24/2000.

R45 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A35 (Eliminate ESF operability requirements that do not involve the movement of irradiated fuel during core alterations; this was part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

NRC approved A35 via letter dated 01/22/2002.

R46 revised the Unit 1 TS Bases to clarify equivalent isolation requirements for penetrations in LCO 3.9.4. This change is NOT needed for Unit 2; the revision made the Unit 1 TS Bases agree with R0 of the STS Bases.

R46 was provided to NRC via letter dated 09/19/2002.

R73 revised the Unit 1 TS Bases to clarify that penetration flow paths through containment to the outside atmosphere must be limited to less than the ABSCE breach allowance. Also, administratively removed from the Bases for LCO 3.9.4 a statement on core alterations that should have been removed as part of A35. This change is to be applied to Unit 2.

R73 was provided to NRC via letter dated 05/23/2007.

R74 revised the Unit 1 TS Bases to administratively remove the change made by R73 to the discussion of an LCO note and place the change in another area of the LCO. This change is to be applied to Unit 2.

R74 was provided to NRC via letter dated 05/23/2007.

AMENDMENT:

TS 3.9.5 Residual Heat Removal (RHR) and Coolant Circulation - High Water Level A0 TS 3.9.5 Residual Heat Removal (RHR) and Coolant Circulation - High Water Level AMENDMENT:

Page 71 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS Bases 3.9.5 Residual Heat Removal (RHR) and Coolant Circulation - High Water Level R0 R23 TS Bases 3.9.5 Residual Heat Removal (RHR) and Coolant Circulation - High Water Level R23 revised the Unit 1 TS Bases to address RHR pump alignment for refueling operations. This change is to be applied to Unit 2.

R23 was provided to NRC via letter dated 10/18/1999.

AMENDMENT:

TS 3.9.6 Residual Heat Removal (RHR) and Coolant Circulation - Low Water Level A0 A55 TS 3.9.6 Residual Heat Removal (RHR) and Coolant Circulation - Low Water Level A55 amended the Unit 1 TS to change requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.9.6 Residual Heat Removal (RHR) and Coolant Circulation - Low Water Level R0 R68 (A55)

TS Bases 3.9.6 Residual Heat Removal (RHR) and Coolant Circulation - Low Water Level R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is NOT needed for Unit 2; the revision made the Unit 1 TS Bases agree with R0 of the STS Bases.

NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS 3.9.7 Refueling Cavity Water Level A0 A35 TS 3.9.7 Refueling Cavity Water Level A35 amended the Unit 1 TS to eliminate ESF operability requirements that do not involve the movement of irradiated fuel during core alterations (part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

NRC approved A35 via letter dated 01/22/2002.

AMENDMENT:

TS Bases 3.9.7 Refueling Cavity Water Level R0 R45 (A35)

R55 TS Bases 3.9.7 Refueling Cavity Water Level R45 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A35 (Eliminate ESF operability requirements that do not involve the movement of irradiated fuel during core alterations; this was part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

NRC approved A35 via letter dated 01/22/2002.

R55 revised this portion of the Unit 1 TS Bases to reflect sources of assumptions and analysis for different accidents. This change is to be applied to this portion of the Unit 2 TS Bases.

R55 was provided to NRC via letter dated 04/20/2004.

AMENDMENT:

Page 72 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 4.1 Site A0 A06 TS 4.1 Site A6 amended the Unit 1 TS to increase the spent fuel storage capacity. This change is to be applied to Unit 2.

NRC approved A6 via letter dated 07/28/1997.

AMENDMENT:

TS 4.2 Reactor Core A0 A08 A40 A48 A67 A77 TS 4.2 Reactor Core A8 amended the Unit 1 TS to provide for insertion of Lead Test Assemblies containing Tritium Producing Burnable Absorber Rods (TPBARs) during Cycle 2. TPBARS will NOT be used on Unit 2.

NRC approved A8 via letter dated 09/15/1997.

A40 amended the Unit 1 TS to allow Watts Bar to irradiate up to 2304 Tritium Producing Burnable Absorber Rods (TPBARs) in the reactor core each fuel cycle. TPBARS will NOT be used on Unit 2; however, the remainder of the changes approved by A40 will be applied to Unit 2.

NRC approved A40 via letter dated 09/23/2002.

A48 amended the Unit 1 TS to revise the boron concentration requirements and limit the number of Tritium Producing Burnable Absorber Rods (TPBARs) that could be loaded and irradiated in the core to a corresponding value. TPBARS will NOT be used on Unit 2; however, the remainder of the changes approved by A40 will be applied to Unit 2.

NRC approved A48 via letter dated 10/08/2003.

A67 amended the Unit 1 TS to revise the maximum number of TPBARs that can be irradiated in the Unit 1 reactor core to 400.

TPBARS will NOT be used on Unit 2.

NRC approved A67 via letter dated 01/18/2008.

A77 amended the Unit 1 TS to revise the maximum number of TPBARs that can be irradiated in the Unit 1 reactor core to 704.

TPBARS will NOT be used on Unit 2.

NRC approved A77 via letter dated 05/04/2009.

AMENDMENT:

B Page 73 of 79

WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 4.3 Fuel Storage A0 A06 A15 A40 TS 4.3 Fuel Storage A6 amended the Unit 1 TS to increase the spent fuel storage capacity. This change is to be applied to Unit 2.

NRC approved A6 via letter dated 07/28/1997.

A15 amended the Unit 1 TS to allow Changes in %

fuel enrichment in the fuel pool; limit locations of fuel placement; restrict number of assemblies over 4.3 wt%; and require restriction plates in certain cells. This change is to be applied to Unit 2.

NRC approved A15 via letter dated 12/01/1998.

A40 amended the Unit 1 TS to allow Watts Bar to irradiate up to 2304 Tritium Producing Burnable Absorber Rods (TPBARs) in the reactor core each fuel cycle. TPBARS will NOT be used on Unit 2; however, the remainder of the changes approved by A40 will be applied to Unit 2.

NRC approved A40 via letter dated 09/23/2002.

AMENDMENT:

TS 5.1 Responsibility A0 A49 TS 5.1 Responsibility A49 amended the Unit 1 TS to incorporate TS Task Force (TSTF) Travelers 258, R4; 299, R0; and 308, R1. This change is to be applied to Unit 2.

NRC approved A49 via letter dated 11/13/2003.

AMENDMENT:

TS 5.2 Organization A0 A04 A49 A83 TS 5.2 Organization A4 amended the Unit 1 TS to modify Operations Manager Requirements (no longer requires the Operations Manager to hold or have held an SRO; revises the TS to indicate that the Operations Superintendent will hold an SRO license) This change is to be applied to Unit 2.

NRC approved A4 via letter dated 10/15/1996.

A49 amended the Unit 1 TS to incorporate TS Task Force (TSTF) Travelers 258, R4; 299, R0; and 308, R1. This change is to be applied to Unit 2.

NRC approved A49 via letter dated 11/13/2003.

A83 amended the Unit 1 TS to delete 5.2.2.d. This change was done to incorporate changes proposed by TSTF-511, R0, Eliminate Working Hour Restriction From TS 5.2.2 To Support Compliance With 10 CFR Part 26. This change is to be applied to Unit 2.

NRC approved A83 via letter dated 01/20/2010.

AMENDMENT:

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WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 5.3 Unit Staff Qualifications A0 A49 TS 5.3 Unit Staff Qualifications A49 amended the Unit 1 TS to incorporate TS Task Force (TSTF) Travelers 258, R4; 299, R0; and 308, R1. This change is to be applied to Unit 2.

NRC approved A49 via letter dated 11/13/2003.

AMENDMENT:

TS 5.4 Training A0 TS 5.4 Training AMENDMENT:

TS 5.5 Reviews and Audits A0 TS 5.5 Reviews and Audits AMENDMENT:

TS 5.6 Technical Specifications (TS) Bases Control Program A0 A32 TS 5.6 Technical Specifications (TS) Bases Control Program A32 amended Unit 1 TS 5.6, Technical Specification (TS) Bases Control Program, to adopt Technical Specification Task Force (TSTF) item TSTF-364, Revision 0. This change is to be applied to Unit 2.

NRC approved A32 via letter dated 06/15/2001.

AMENDMENT:

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WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 5.7 Procedures, Programs, and Manuals A0 A05 A27 A34 A38 A44 A49 A63 A65 A66 A70 TS 5.7 Procedures, Programs, and Manuals A5 amended the Unit 1 TS to Allow Appendix J, Option B Testing. This change is to be applied to Unit 2.

NRC approved A5 via letter dated 05/27/1997.

A27 amended the Unit 1 TS to approve use of an alternate repair criterion (F*) in the tubesheet region of the steam generator. This change will NOT be applied to Unit 2 at this time.

NRC approved A27 via letter dated 09/08/2000.

A34 amended the Unit 1 TS to delete the program requirements of TS 5.7.2.6, "Post Accident Sampling System (PASS). This change is to be applied to Unit 2.

NRC approved A34 via letter dated 01/14/2002.

A38 amended the Unit 1 TS to incorporate voltage-based Alternate Repair Criteria for steam generator tubes. This change will NOT be applied to Unit 2 at this time.

NRC approved A38 via letter dated 02/26/2002.

A44 amended the Unit 1 TS to allow the use of Westinghouse leak-limiting Alloy 800 sleeves to repair defective SG tubes as an alternative to plugging the tube. This change is to be applied to Unit 2.

NRC approved A44 via letter dated 08/15/2003.

A49 amended the Unit 1 TS to incorporate TS Task Force (TSTF) Travelers 258, R4; 299, R0; and 308, R1. This change is to be applied to Unit 2.

NRC approved A49 via letter dated 11/13/2003..

A63 amended the Unit 1 TS to allow a one-time, 5-year extension to the current 10-year test interval for the containment integrated leakage rate test.

This change will NOT be applied to Unit 2.

NRC approved A63 via letter dated 08/22/2006.

A65 amended Unit 1 TS's Steam Generator Tube Surveillance Program. This change will be applied to Unit 2 at this time.

NRC approved A65 via letter dated 11/03/2006.

A66 amended the Unit 1 TS to replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program. This change is to be applied to Unit 2.

NRC approved A66 via letter dated 12/18/2006.

AMENDMENT:

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WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE A70 amended the Unit 1 TS to adopt TSTF Change Traveler TSTF-448, R3: Control Room Envelope Habitability. This change is to be applied to Unit 2.

NRC approved A70 via letter dated 10/08/2008.

TS 5.8 Safety Function Determination Program (SFDP)

A0 TS 5.8 Safety Function Determination Program (SFDP)

AMENDMENT:

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WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE TS 5.9 Reporting Requirements A0 A07 A09 A11 A20 A21 A27 A31 A38 A46 A49 A57 A65 TS 5.9 Reporting Requirements A7 amended the Unit 1 TS to reflect changes due to Cycle 2 Core Reload Changes. The changes remain valid for and will be applied to Unit 2.

NRC approved A7 via letter dated 09/11/1997.

A9 amended the Unit 1 TS to incorporate the use of Code Case N 514 into the methodology for the WBN Pressure Temperature Limits Report. This change is to be applied to Unit 2.

NRC approved A9 via letter dated 10/21/1997.

A11 amended the Unit 1 TS to replace the 2%

penalty addressed in SR 3.2.1.2(a) with a burnup-dependent factor to be specified in the Core Operating Limits Report (COLR). This change is to be applied to Unit 2.

NRC approved A11 via letter dated 08/10/1998.

A20 amended the Unit 1 TS to change the TS analytical methods for core operating limits to implement an analysis supporting a more negative moderator temperature coefficient for the end of cycle, rated thermal power condition. This change is to be applied to Unit 2.

NRC approved A20 via letter dated 03/14/2000.

A21 amended the Unit 1 TS to allow use of the Westinghouse generic best estimate large break loss of coolant accident analysis methodology, using the WCOBRA/TRAC code. This change is to be applied to Unit 2.

NRC approved A21 via letter dated 03/17/2000.

A27 amended the Unit 1 TS to approve use of an alternate repair criterion (F*) in the tubesheet region of the steam generator. This change will NOT be implemented on Unit 2 at this time NRC approved A27 via letter dated 09/08/2000.

A31 amended the Unit 1 TS to approve Power Uprate using Leading Edge Flow Meter (LEFM).

This change will NOT be implemented on Unit 2 at this time.

NRC approved A31 via letter dated 01/19/2001.

A38 amended the Unit 1 TS to incorporate voltage-based Alternate Repair Criteria for steam generator tubes. This change will NOT be applied to Unit 2 at this time.

NRC approved A38 via letter dated 02/26/2002.

A46 amended the Unit 1 TS to allow use of W 17X17 fuel design with Intermediate flow mixers.

The changes remain valid for and will be applied to Unit 2.

NRC approved A46 via letter dated 09/30/2003.

AMENDMENT:

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WBN UNIT 2 TS / TS BASES SUBSECTION / TITLE WBN UNIT 1 APPROVAL COMMENTS Revision 0 STS / BASES SUBSECTION / TITLE A49 amended the Unit 1 TS to incorporate TS Task Force (TSTF) Travelers 258, R4; 299, R0; and 308, R1. This change is to be applied to Unit 2.

NRC approved A49 via letter dated 11/13/2003.

A57 amended the Unit 1 TS eliminate requirements to submit monthly operating reports and annual occupational radiation exposure reports. This change is to be applied to Unit 2.

NRC approved A57 via letter dated 03/21/2005.

A65 amended Unit 1 TS's Steam Generator Tube Surveillance Program. This change is to be applied to Unit 2.

NRC approved A65 via letter dated 11/03/2006.

TS 5.10 Record Retention A0 TS 5.10 Record Retention AMENDMENT:

TS 5.11 High Radiation Area A0 A49 TS 5.11 High Radiation Area A49 amended the Unit 1 TS to incorporate TS Task Force (TSTF) Travelers 258, R4; 299, R0; and 308, R1. This change is to be applied to Unit 2.

NRC approved A49 via letter dated 11/13/2003.

AMENDMENT:

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