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Text

Developmental Revision B - Revision 0 Standard Specifications Review Matrix
	ML100550396
Person / Time
Site:	Watts Bar
Issue date:	02/02/2010
From:	; Tennessee Valley Authority
To:	; Office of Nuclear Reactor Regulation
References
	Download: ML100550396 (79)
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REVISION 0 STANDARD TECHNICAL SPECIFICATIONS AND WATTS BAR UNIT TWO TECHNICAL SPECIFICATIONSREVIEW MATRIXWBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 1.1Definitions A0-----

A24-----A31

A65------------------

A82TS 1.1DefinitionsA24 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:

BTS 1.2Logical Connectors A0TS 1.2Logical ConnectorsAMENDMENT:TS 1.3 Completion Times A0TS 1.3Completion TimesAMENDMENT:TS 1.4 Frequency A0TS 1.4 FrequencyAMENDMENT:Page 1 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 2.1 SLs A0 A07 A31TS 2.1 SLsA7 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 R0R13 (A07)R59 (A46)TS Bases 2.1 SLsR13 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 2.2SL Violations A0TS 2.2 SL ViolationsAMENDMENT:TS 3.0LIMITING CONDITION FOR OPERATION (LCO)

APPLICABILITY A0 A55TS 3.0LIMITING CONDITION FOR OPERATION (LCO)

APPLICABILITYA55 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 3.0LIMITING CONDITION FOR OPERATION (LCO) APPLICABILITY R0R55 R68 (A55)TS Bases 3.0LIMITING CONDITION FOR OPERATION (LCO) APPLICABILITYR55 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.0SURVEILLANCE REQUIREMENT (SR) APPLICABILITY A0 A42 A55TS 3.0SURVEILLANCE REQUIREMENT (SR) APPLICABILITYA42 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 3.0SURVEILLANCE REQUIREMENT (SR)

APPLICABILITY R0R10 (A05)R53 (A42)R68 (A55)TS Bases 3.0SURVEILLANCE REQUIREMENT (SR)

APPLICABILITYR10 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 3.1.1SHUTDOWN MARGIN (SDM) - Tavg > 200 degrees F A0 A55TS 3.1.1SHUTDOWN MARGIN (SDM) - Tavg > 200 degrees FA55 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 3.1.1SHUTDOWN MARGIN (SDM) - Tavg > 200 degrees F R0R68 (A55)TS Bases 3.1.1SHUTDOWN MARGIN (SDM) - Tavg > 200

degrees FR68 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 3.1.2SHUTDOWN MARGIN (SDM) - Tavg < / = 200 degrees F A0 A55TS 3.1.2SHUTDOWN MARGIN (SDM) - Tavg < / = 200

degrees FA55 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.1.2SHUTDOWN MARGIN (SDM) - Tavg < / = 200 degrees F R0R68 (A55)TS Bases 3.1.2SHUTDOWN MARGIN (SDM) - Tavg < / = 200 degrees FR68 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 3.1.3Core Reactivity A0TS 3.1.3Core ReactivityAMENDMENT:TS Bases 3.1.3Core Reactivity R0R32TS Bases 3.1.3Core ReactivityR32 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 3.1.4Moderator Temperature Coefficient (MTC)

A0TS 3.1.4Moderator Temperature Coefficient (MTC)AMENDMENT:TS Bases 3.1.4Moderator Temperature Coefficient (MTC)

R0R32TS Bases 3.1.4Moderator 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 3.1.5Rod Group Alignment Limits A0TS 3.1.5Rod Group Alignment LimitsAMENDMENT:Page 4 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.1.5Rod Group Alignment Limits R0-----

R51------------------

RXX (A82)TS Bases 3.1.5Rod Group Alignment LimitsR51 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:

BTS 3.1.6Shutdown Bank Insertion Limits A0TS 3.1.6Shutdown Bank Insertion LimitsAMENDMENT:TS Bases 3.1.6Shutdown Bank Insertion Limits R0R51TS Bases 3.1.6Shutdown Bank Insertion LimitsR51 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 3.1.7Control Bank Insertion Limits A0TS 3.1.7Control Bank Insertion LimitsAMENDMENT:TS Bases 3.1.7Control Bank Insertion Limits R0R51TS Bases 3.1.7Control Bank Insertion LimitsR51 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.1.8Rod Position Indication A0-----

A58------------------

A82TS 3.1.8Rod Position IndicationA58 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:

BTS Bases 3.1.8Rod Position Indication R0-----

R51-----R70 (A58)

RXX (A82)TS Bases 3.1.8Rod Position IndicationR51 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:

BTS 3.1.9PHYSICS TESTS Exceptions - MODE 1 A0TS 3.1.9PHYSICS TESTS Exceptions - MODE 1AMENDMENT:Page 6 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.1.9PHYSICS TESTS Exceptions - MODE 1 R0-----

R40------------------

RXX (A82)TS Bases 3.1.9PHYSICS TESTS Exceptions - MODE 1R40 revised the Unit 1 TS Bases to clarify Watts Bar's 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:

BTS 3.1.10PHYSICS TESTS Exceptions - MODE 2 A0 A28TS 3.1.10PHYSICS TESTS Exceptions - MODE 2A28 amended the Unit 1 TS in regards to the need to conduct channel operational tests within 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months 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 3.1.10PHYSICS TESTS Exceptions - MODE 2 R0R29R39 (A28)R40TS Bases 3.1.10PHYSICS TESTS Exceptions - MODE 2R29 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 0.00333 hours 1.984127e-5 weeks 4.566e-6 months 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 Bar's 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 3.1.11SHUTDOWN MARGIN (SDM) Test Exceptions XX XX XXThe 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.1.11SHUTDOWN MARGIN (SDM) Test Exceptions XX XX XXThe 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 3.2.1AHeat Flux Hot Channel Factor (FQ(Z)) (FXY Methodology)

XX XX XXWatts Bar uses the "FQ Methodology." This section will not be used at Watts Bar.AMENDMENT:TS Bases 3.2.1AHeat Flux Hot Channel Factor (FQ(Z)) (FXY Methodology)

XX XX XXWatts Bar uses the "FQ Methodology." This section will not be used at Watts Bar.AMENDMENT:TS 3.2.1BHeat Flux Hot Channel Factor (FQ(Z)) (FQ Methodology)

A0-----A11------------------

A82TS 3.2.1Heat 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:

BPage 8 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.2.1BHeat Flux Hot Channel Factor (FQ(Z)) (FQ Methodology)

R0-----

R18 (A11)-----R38

R39 (A21)------------------

R99-----RXX (A82)TS Bases 3.2.1Heat 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:

BTS 3.2.2Nuclear Enthalpy Rise Hot Channel Factor (FNdeltaH)

A0TS 3.2.2Nuclear Enthalpy Rise Hot Channel Factor (FNdeltaH)AMENDMENT:Page 9 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.2.2Nuclear Enthalpy Rise Hot Channel Factor (FNdeltaH)

R0-----

R13 (A07)-----R39 (A21)

R59 (A46)------------------

RXX (A82)TS Bases 3.2.2Nuclear 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.AAXIAL FLUX DIFFERENCE (AFD) (Constant Axial Offset Control (CAOC) Methodology)

XX XX XXWatts Bar will utilize RAOC Methodology. This section will not be used at Watts Bar.AMENDMENT:TS Bases 3.2.3.AAXIAL FLUX DIFFERENCE (AFD) (Constant Axial Offset Control (CAOC) Methodology)

XX XX XXWatts Bar will utilize RAOC Methodology. This section will not be used at Watts Bar.AMENDMENT:TS 3.2.3.BAXIAL FLUX DIFFERENCE (AFD) (Relaxed Axial Offset Control (RAOC) Methodology)

A0TS 3.2.3AXIAL FLUX DIFFERENCE (AFD)AMENDMENT:Page 10 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.2.3.BAXIAL FLUX DIFFERENCE (AFD) (Relaxed Axial Offset Control (RAOC) Methodology)

R0TS Bases 3.2.3AXIAL FLUX DIFFERENCE (AFD)AMENDMENT:TS 3.2.4QUADRANT POWER TILT RATIO (QPTR)

A0------------------

A82TS 3.2.4QUADRANT 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:

BTS Bases 3.2.4QUADRANT POWER TILT RATIO (QPTR)

R0------------------

RXX (A82)TS Bases 3.2.4QUADRANT 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.3.1Reactor Trip System (RTS) Instrumentation A0-----

A07-----A18

A47-----A52

A68------------------

A82TS 3.3.1Reactor Trip System (RTS)

InstrumentationA7 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:

BPage 12 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.3.1Reactor Trip System (RTS) Instrumentation R0-----

R13 (A07)-----R17

R27 (A18)-----R34 (A24)

R60 (A47)-----

R90 (A68)

RXX (A82)TS Bases 3.3.1Reactor Trip System (RTS)

InstrumentationR13 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:

BPage 13 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLENRC 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.3.2Engineered Safety Feature Actuation System (SEAS) Instrumentation A0-----

A01-----A07

A13-----A17

A23-----

A68

A75

A80TS 3.3.2Engineered Safety Feature Actuation System (SEAS)

InstrumentationA1 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:

BPage 15 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLEThe 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.3.2Engineered 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 3.3.2Engineered Safety Feature Actuation System (SEAS)

InstrumentationR1 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:

BPage 17 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLENRC 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 3.3.3Post Accident Monitoring (PAM) Instrumentation A0---A55------------------

A72TS 3.3.3Post Accident Monitoring (PAM) InstrumentationA55 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:

BPage 18 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.3.3Post Accident Monitoring (PAM) Instrumentation R0-----

R28-----R49 (A34)

R68 (A55)------------------

R94 (A72)TS Bases 3.3.3Post Accident Monitoring (PAM) InstrumentationR28 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:

BTS 3.3.4Remote Shutdown System A0 A53 A55TS 3.3.4Remote Shutdown SystemA53 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 3.3.4Remote Shutdown System R0R68 (A55)TS Bases 3.3.4Remote Shutdown SystemR68 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 3.3.5Loss of Power (LOP) Diesel Generator (DG)

Start Instrumentation A0 A36TS 3.3.5Loss of Power (LOP) Diesel Generator (DG)

Start InstrumentationA36 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.3.5Loss of Power (LOP) Diesel Generator (DG) Start Instrumentation R0R48 (A36)TS Bases 3.3.5Loss of Power (LOP) Diesel Generator (DG)

Start InstrumentationR48 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 3.3.6Containment Purge and Exhaust Isolation Instrumentation A0-----A17

A35-----

A68

A74TS 3.3.6Containment Vent Isolation InstrumentationA17 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:

BPage 20 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.3.6Containment Purge and Exhaust Isolation Instrumentation R0-----

R09-----R26 (A17)

R43-----R45 (A35)

R87-----

R90 (A68)

R93 (A74)TS Bases 3.3.6Containment Vent Isolation InstrumentationR9 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:

BPage 21 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLEchange is to be applied to Unit 2.The NRC approved A74 in a letter dated January 8, 2009.TS 3.3.7Control Room Emergency Filtration System (CREFS)

Actuation Instrumentation A0 A35 A41TS 3.3.7Control Room Emergency Ventilation System (CREVS) Actuation InstrumentationA35 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 3.3.7Control Room Emergency Filtration System (CREFS)

Actuation Instrumentation R0R45 (A35)TS Bases 3.3.7Control Room Emergency Ventilation System (CREVS) Actuation InstrumentationR45 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 3.3.8Fuel Building Air Cleanup System (FBACS) Actuation Instrumentation A0TS 3.3.8Auxiliary Building Gas Treatment System (ABGTS) Actuation InstrumentationAMENDMENT:TS Bases 3.3.8Fuel Building Air Cleanup System (FBACS) Actuation Instrumentation R0R87TS Bases 3.3.8Auxiliary Building Gas Treatment System (ABGTS) Actuation InstrumentationR87 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 3.3.9Boron Dilution Protection System (BDPS)

XX XX XXThis 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.3.9Boron Dilution Protection System (BDPS)

XX XX XXThis section was not included in the Unit 1 submittal; it is not in current Unit 1 TS and TS Bases.AMENDMENT:TS 3.4.1RCS Pressure, Temperature, and Flow Departure from Nucleate Boiling (DNB) Limits A0 A07 A47TS 3.4.1RCS Pressure, Temperature, and Flow Departure from Nucleate Boiling (DNB) LimitsA7 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:

BTS Bases 3.4.1RCS Pressure, Temperature, and Flow Departure from Nucleate Boiling (DNB) Limits R0R13 (A07)

R29R60 (A47)TS Bases 3.4.1RCS Pressure, Temperature, and Flow Departure from Nucleate Boiling (DNB) LimitsR13 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:

BTS 3.4.2RCS Minimum Temperature for Criticality A0TS 3.4.2RCS Minimum Temperature for CriticalityAMENDMENT:Page 23 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.4.2RCS Minimum Temperature for Criticality R0R29 R55TS Bases 3.4.2RCS Minimum Temperature for CriticalityR29 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 3.4.3RCS Pressure and Temperature (P/T) Limits A0TS 3.4.3RCS Pressure and Temperature (P/T) LimitsAMENDMENT:TS Bases 3.4.3RCS Pressure and Temperature (P/T) Limits R0TS Bases 3.4.3RCS Pressure and Temperature (P/T) LimitsAMENDMENT:TS 3.4.4RCS Loops - MODES 1 and 2 A0TS 3.4.4RCS Loops - MODES 1 and 2AMENDMENT:TS Bases 3.4.4RCS Loops - MODES 1 and 2 R0R82 (A65)TS Bases 3.4.4RCS Loops - MODES 1 and 2R82 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 3.4.5RCS Loops - MODE 3 A0 A61TS 3.4.5RCS Loops - MODE 3A61 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.4.5RCS Loops - MODE 3 R0R29 R79 (A61)R82 (A65)TS Bases 3.4.5RCS Loops - MODE 3R29 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 3.4.6RCS Loops - MODE 4 A0 A61TS 3.4.6RCS Loops - MODE 4A61 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.4.6RCS Loops - MODE 4 R0R29 R72R79 (A61)R82 (A65)TS Bases 3.4.6RCS Loops - MODE 4R29 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 3.4.7RCS Loops - MODE 5, Loops Filled A0 A61TS 3.4.7RCS Loops - MODE 5, Loops FilledA61 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.4.7RCS Loops - MODE 5, Loops Filled R0R29 R79 (A61)R82 (A65)TS Bases 3.4.7RCS Loops - MODE 5, Loops FilledR29 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 3.4.8RCS Loops - MODE 5, Loops Not Filled A0 A55TS 3.4.8RCS Loops - MODE 5, Loops Not FilledA55 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 3.4.8RCS Loops - MODE 5, Loops Not Filled R0R68 (A55)TS Bases 3.4.8RCS Loops - MODE 5, Loops Not FilledR68 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 3.4.9Pressurizer A0TS 3.4.9PressurizerAMENDMENT:TS Bases 3.4.9Pressurizer R0R29TS Bases 3.4.9PressurizerR29 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.4.10Pressurizer Safety Valves A0TS 3.4.10Pressurizer Safety ValvesAMENDMENT:TS Bases 3.4.10Pressurizer Safety Valves R0R89 (A66)TS Bases 3.4.10Pressurizer Safety ValvesR89 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 3.4.11Pressurizer Power Operated Relief Valves (PORVs)A0 A55TS 3.4.11Pressurizer 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 3.4.11Pressurizer Power Operated Relief Valves (PORVs)R0R42 R68 (A55)

R89 (A66)TS Bases 3.4.11Pressurizer 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.4.12Low Temperature Overpressure Protection (LTOP) System A0 A14 A55TS 3.4.12Cold Overpressure Mitigation System (COMS)A14 amended the Unit 1 TS to allow up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months 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 3.4.12Low Temperature Overpressure Protection (LTOP) System R0R07 R22 (A14)R68 (A55)R89 (A66)TS Bases 3.4.12Cold 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 0.00111 hours 6.613757e-6 weeks 1.522e-6 months 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 2NRC 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.4.13RCS Operational LEAKAGE A0 A38 A65TS 3.4.13RCS Operational LEAKAGEA38 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 3.4.13RCS Operational LEAKAGE R0R47 (A38)R68 (A56)R82 (A65)TS Bases 3.4.13RCS Operational LEAKAGER47 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 3.4.14RCS Pressure Isolation Valve (PIV) Leakage A0TS 3.4.14RCS Pressure Isolation Valve (PIV) LeakageAMENDMENT:TS Bases 3.4.14RCS Pressure Isolation Valve (PIV) Leakage R0R89 (A66)TS Bases 3.4.14RCS Pressure Isolation Valve (PIV) LeakageR89 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.4.15RCS Leakage Detection Instrumentation A0-----

A55------------------

A71TS 3.4.15RCS Leakage Detection InstrumentationA55 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:

BTS Bases 3.4.15RCS Leakage Detection Instrumentation R0-----

R12-----R68 (A55)

R92 (A71)TS Bases 3.4.15RCS Leakage Detection InstrumentationR12 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:

BTS 3.4.16RCS Specific Activity A0 A41 A55TS 3.4.16RCS Specific ActivityA41 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.4.16RCS Specific Activity R0R52 (A41)

R68 (A55)TS Bases 3.4.16RCS Specific ActivityR52 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 3.4.17RCS Loop Isolation Valves XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS Bases 3.4.17RCS Loop Isolation Valves XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS 3.4.18RCS Isolated Loop Startup XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS Bases 3.4.18RCS Isolated Loop Startup XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:Page 32 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.4.19RCS Loops - Test Exceptions XX XXThe 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 3.4.19RCS Loops - Test Exceptions XX XXThe 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.5.1Accumulators A0-----

A07-----A21

A40-----A48

A67------------------

A77-----A81TS 3.5.1AccumulatorsA7 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 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months to 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months . This change is to be applied to Unit 2.NRC approved A81 via letter dated 09/09/2009.AMENDMENT:

BPage 34 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.5.1Accumulators R0-----

R03-----R29

R39 (A21)------------------

R98 (A81)TS Bases 3.5.1AccumulatorsR3 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 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months to 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months ). This change is to be applied to Unit 2.NRC approved A81 via letter dated 09/09/2009.AMENDMENT:

BTS 3.5.2ECCS - Operating A0 A43 A55TS 3.5.2ECCS - OperatingA43 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 03/03/2005AMENDMENT:Page 35 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.5.2ECCS - Operating R0R14 R39 (A21)R54 (A43)R57 (A48)

R61 (A40)

R62R68 (A55)R80 R89 (A66)TS Bases 3.5.2ECCS - OperatingR14 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLER89 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 3.5.3ECCS - Shutdown A0 A55TS 3.5.3ECCS - ShutdownA55 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 3.5.3ECCS - Shutdown R0R68 (A55)TS Bases 3.5.3ECCS - ShutdownR68 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.5.4Refueling Water Storage Tank (RWST)

A0-----

A07-----A40

A48-----A67

A77TS 3.5.4Refueling 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:

BPage 38 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.5.4Refueling Water Storage Tank (RWST)

R0R13 (A07)

R29R61 (A40/A48)

R88 (A67)TS Bases 3.5.4Refueling 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 3.5.5Seal Injection Flow A0TS 3.5.5 Seal Injection FlowAMENDMENT:TS Bases 3.5.5Seal Injection Flow R0R29TS Bases 3.5.5 Seal Injection FlowR29 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.5.6Boron Injection Tank (BIT)

XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS Bases 3.5.6Boron Injection Tank (BIT)

XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS 3.6.1Containment (Atmospheric, Subatmospheric, Ice Condenser, and Dual)

A0 A05TS 3.6.1ContainmentA5 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 3.6.1Containment (Atmospheric, Subatmospheric, Ice Condenser, and Dual)

R0R10 (A05)TS Bases 3.6.1ContainmentR10 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 3.6.2Containment Air Locks (Atmospheric, Subatmospheric, Ice Condenser, and Dual)

A0 A05TS 3.6.2Containment Air LocksA5 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 3.6.2Containment Air Locks (Atmospheric, Subatmospheric, Ice Condenser, and Dual)

R0R05R10 (A05)TS Bases 3.6.2Containment Air LocksR5 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.6.3Containment Isolation Valves (Atmospheric, Subatmospheric, Ice Condenser, and Dual)

A0-----

A05------------------

A79TS 3.6.3Containment Isolation ValvesA5 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:

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

R0-----

R08-----R10 (A05)

R98 (A79)TS Bases 3.6.3Containment Isolation ValvesR8 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:

BTS 3.6.4AContainment Pressure (Atmospheric, Dual, and Ice Condenser)

A0 A59TS 3.6.4Containment PressureA59 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.6.4AContainment Pressure (Atmospheric, Dual, and Ice Condenser)

R0R29 R44 (A33)R55R71 (A59)

R76TS Bases 3.6.4Containment PressureR29 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 3.6.4BContainment Pressure (Subatmospheric)

XX XX XXThis Containment Pressure specification is not the one for Watts Bar.AMENDMENT:TS Bases 3.6.4BContainment Pressure (Subatmospheric)

XX XX XXThis Containment Pressure specification is not the one for Watts Bar.AMENDMENT:Page 42 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.6.5AContainment Air Temperature (Atmospheric and Dual)

XX XX XXThis Containment Air Tem perature specification is not the one for Watts Bar.AMENDMENT:TS Bases 3.6.5AContainment Air Temperature (Atmospheric and Dual)

XX XX XXThis Containment Air Tem perature specification is not the one for Watts Bar.AMENDMENT:TS 3.6.5BContainment Air Temperature (Ice Condenser)

A0TS 3.6.5Containment Air TemperatureAMENDMENT:TS Bases 3.6.5BContainment Air Temperature (Ice Condenser)

R0R29TS Bases 3.6.5Containment Air TemperatureR29 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 3.6.5CContainment Air Temperature (Subatmospheric)

XX XX XXThis Containment Air Tem perature specification is not the one for Watts Bar.AMENDMENT:TS Bases 3.6.5CContainment Air Temperature (Subatmospheric)

XX XX XXThis Containment Air Tem perature specification is not the one for Watts Bar.AMENDMENT:Page 43 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.6.6AContainment Spray and Cooling Systems (Atmospheric and Dual)

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

XX XX XXThis Containment Spray and Cooling Systems specification is not the one for Watts Bar.AMENDMENT:TS Bases 3.6.6AContainment Spray and Cooling Systems (Atmospheric and Dual) (Credit taken for iodine removal by the Containment Spray System)

XX XX XXThis Containment Spray and Cooling Systems specification is not the one for Watts Bar.AMENDMENT:TS 3.6.6BContainment Spray and Cooling Systems (Atmospheric and Dual)

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

XX XX XXThis Containment Spray and Cooling Systems specification is not the one for Watts Bar.AMENDMENT:TS Bases 3.6.6BContainment Spray and Cooling Systems (Atmospheric and Dual) (Credit not taken for iodine removal by the Containment Spray System)

XX XX XXThis Containment Spray and Cooling Systems specification is not the one for Watts Bar.AMENDMENT:TS 3.6.6CContainment Spray System (Ice Condenser)

A0TS 3.6.6Containment Spray SystemAMENDMENT:Page 44 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.6.6CContainment Spray System (Ice Condenser)

R0-----

R44 (A33)-----R55

R76-----R83

R89 (A66)------------------

R100TS Bases 3.6.6Containment Spray SystemR44 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:

BTS 3.6.6DQuench Spray (QS) System (Subatmospheric)

XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:Page 45 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.6.6DQuench Spray (QS) System (Subatmospheric)

XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS 3.6.6ERecirculation Spray (RS) System (Subatmospheric)

XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS Bases 3.6.6ERecirculation Spray (RS) System (Subatmospheric)

XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS 3.6.8Hydrogen Recombiners (Atmospheric, Subatmospheric, Ice Condenser, and Dual) (if permanently installed)

A0---A55------------------

A72TS 3.6.7Hydrogen RecombinersA55 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:

BPage 46 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.6.8Hydrogen Recombiners (Atmospheric, Subatmospheric, Ice Condenser, and Dual) (if permanently installed)

R0---

R61 (A40)---R68 (A55)

R94 (A72)TS Bases 3.6.7Hydrogen RecombinersR61 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:

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

XX XX XXThis section is not contained in the Unit 1 TS / TS Bases.AMENDMENT:TS Bases 3.6.9Hydrogen Mixing System (Atmospheric, Ice Condenser, and Dual)

XX XX XXThis section is not contained in the Unit 1 TS / TS Bases.AMENDMENT:TS 3.6.10Hydrogen Ignition System (HIS) (Ice Condenser)

A0 A10TS 3.6.8Hydrogen 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 3.6.10Hydrogen Ignition System (HIS) (Ice Condenser)

R0R16 (A10)TS Bases 3.6.8Hydrogen 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.6.11Iodine Cleanup System (Atmospheric and Subatmospheric)

XX XX XXThis section is not contained in the Unit 1 TS / TS Bases.AMENDMENT:TS Bases 3.6.11Iodine Cleanup System (Atmospheric and Subatmospheric)

XX XX XXThis section is not contained in the Unit 1 TS / TS Bases.AMENDMENT:TS 3.6.12Vacuum Relief Valves (Atmospheric and Ice Condenser)

XX XX XXThis section is not contained in the Unit 1 TS / TS Bases.AMENDMENT:TS Bases 3.6.12Vacuum Relief Valves (Atmospheric and Ice Condenser)

XX XX XXThis section is not contained in the Unit 1 TS / TS Bases.AMENDMENT:TS 3.6.13Shield Building Air Cleanup System (SBACS) (Dual and Ice Condenser)

A0TS 3.6.9Emergency Gas Treatment System (EGTS)AMENDMENT:Page 48 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.6.13Shield Building Air Cleanup System (SBACS) (Dual and Ice Condenser)

R0R15 R29R71 (A59)R84 R85TS Bases 3.6.9Emergency 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 3.6.14Air Return System (Ice Condenser)

A0TS 3.6.10Air Return System (ARS)AMENDMENT:TS Bases 3.6.14 Air Return System (Ice Condenser)

R0TS Bases 3.6.10Air Return System (ARS)AMENDMENT:Page 49 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.6.15Ice Bed (Ice Condenser)

A0 A02 A22 A25 A33 A62TS 3.6.11 Ice BedA2 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.6.15Ice Bed (Ice Condenser)

R0R04 (A02)

R21R29R36 (A22 &

A25)

R44 (A33)R81 (A62)TS Bases 3.6.11 Ice BedR4 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 3.6.16Ice Condenser Doors (Ice Condenser)

A0 A03TS 3.6.12Ice Condenser DoorsA3 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.6.16Ice Condenser Doors (Ice Condenser)

R0R06 (A03)

R21R36 (A25)TS Bases 3.6.12Ice Condenser DoorsR6 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 3.6.17Divider Barrier Integrity (Ice Condenser)

A0TS 3.6.13Divider Barrier IntegrityAMENDMENT:TS Bases 3.6.17 Divider Barrier Integrity (Ice Condenser)

R0TS Bases 3.6.13Divider Barrier IntegrityAMENDMENT:TS 3.6.18 Containment Recirculation Drains (Ice Condenser)

A0TS 3.6.14Containment Recirculation DrainsAMENDMENT:TS Bases 3.6.18Containment Recirculation Drains (Ice Condenser)

R0TS Bases 3.6.14Containment Recirculation DrainsAMENDMENT:Page 52 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.6.19Shield Building (Dual and Ice Condenser)

A0 A59TS 3.6.15 Shield BuildingA59 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 3.6.19Shield Building (Dual and Ice Condenser)

R0R29R71 (A59)

R84R85TS Bases 3.6.15 Shield BuildingR29 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 3.7.1Main Steam Safety Valves (MSSVs)A0 A19 A31TS 3.7.1Main 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.7.1Main Steam Safety Valves (MSSVs)R0R31 (A19)

R41 (A31)R89 (A66)TS Bases 3.7.1Main 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 3.7.2Main Steam Isolation Valves (MSIVs)

A0TS 3.7.2Main Steam Isolation Valves (MSIVs)AMENDMENT:TS Bases 3.7.2Main Steam Isolation Valves (MSIVs)

R0R89 (A66)TS Bases 3.7.2Main 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 3.7.3Main Feedwater Isolation Valves (MFIVs) and Main Feedwater Regulation Valves (MFRVs) [and Associated Bypass Valves]

A0TS 3.7.3Main Feedwater Isolation Valves (MFIVs) and Main Feedwater Regulation Valves (MFRVs) and Associated Bypass ValvesAMENDMENT:Page 54 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.7.3Main Feedwater Isolation Valves (MFIVs) and Main Feedwater Regulation Valves (MFRVs) [and Associated Bypass Valves]

R0R76 R89 (A66)TS Bases 3.7.3Main Feedwater Isolation Valves (MFIVs) and Main Feedwater Regulation Valves (MFRVs) and Associated Bypass ValvesR76 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 3.7.4Atmospheric Dump Valves (ADVs)A0 A16 A55TS 3.7.4Atmospheric 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 3.7.4Atmospheric Dump Valves (ADVs)R0R24 (A16)R68 (A55)TS Bases 3.7.4Atmospheric 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.7.5Auxiliary Feedwater (AFW) System A0 A13 A55TS 3.7.5Auxiliary Feedwater (AFW) SystemA13 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 3.7.5Auxiliary Feedwater (AFW) System R0R20 (A13)

R68 (A55)R89 (A66)TS Bases 3.7.5Auxiliary Feedwater (AFW) SystemR20 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 3.7.6Condensate Storage Tank (CST)A0TS 3.7.6Condensate Storage Tank (CST)AMENDMENT:Page 56 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.7.6Condensate Storage Tank (CST)R0R29 R41 (A31)TS Bases 3.7.6Condensate 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 3.7.7Component Cooling Water (CCW) System A0TS 3.7.7Component Cooling System (CCS)AMENDMENT:TS Bases 3.7.7Component Cooling Water (CCW) System R0TS Bases 3.7.7Component Cooling System (CCS)AMENDMENT:TS 3.7.8Service Water System (SWS)A0 A69TS 3.7.8Essential Raw Cooling Water (ERCW) SystemA69 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 3.7.8Service Water System (SWS)R0TS Bases 3.7.8Essential Raw Cooling Water (ERCW) SystemAMENDMENT:TS 3.7.9Ultimate Heat Sink (UHS)

A0TS 3.7.9Ultimate Heat Sink (UHS)AMENDMENT:Page 57 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.7.9Ultimate Heat Sink (UHS)

R0R29TS Bases 3.7.9Ultimate 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 3.7.10Control Room Emergency Filtration System (CREFS)

A0 A35 A70TS 3.7.10Control 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 3.7.10Control Room Emergency Filtration System (CREFS)

R0R45 (A35)

R64 (A50)

R91 (A70)TS Bases 3.7.10Control 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 3.7.11Control Room Emergency Air Temperature Control System (CREATCS)

A0 A35TS 3.7.11Control 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.7.11Control Room Emergency Air Temperature Control System (CREATCS)

R0R45 (A35)

R64 (A50)TS Bases 3.7.11Control 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 3.7.12Emergency Core Cooling System (ECCS) Pump Room Exhaust Air Cleanup System (PREACS)

XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS Bases 3.7.12Emergency Core Cooling System (ECCS) Pump Room Exhaust Air Cleanup System (PREACS)

XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS 3.7.13Fuel Building Air Cleanup System (FBACS)

A0TS 3.7.12Auxiliary Building Gas Treatment System (ABGTS)AMENDMENT:Page 59 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.7.13Fuel Building Air Cleanup System (FBACS)

R0R29 R35R55R87TS Bases 3.7.12Auxiliary 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 3.7.14Penetration Room Exhaust Air Cleanup System (PREACS)XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS Bases 3.7.14Penetration Room Exhaust Air Cleanup System (PREACS)XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS 3.7.15Fuel Storage Pool Water Level A0TS 3.7.13Fuel Storage Pool Water LevelAMENDMENT:Page 60 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.7.15Fuel Storage Pool Water Level R0TS Bases 3.7.13Fuel Storage Pool Water LevelAMENDMENT:TS 3.7.16Fuel Storage Pool Boron Concentration A0TS 3.9.9 Spent Fuel Pool Boron ConcentrationAMENDMENT:TS Bases 3.7.16Fuel Storage Pool Boron Concentration R0R11 (A06)R86TS Bases 3.9.9 Spent Fuel Pool Boron ConcentrationR11 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 3.7.17Spent Fuel Assembly Storage A06 A40TS 3.7.15Spent Fuel Assembly StorageA6 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.7.17Spent Fuel Assembly StorageR11 (A06)R61 (A40)TS Bases 3.7.15Spent Fuel Assembly StorageR11 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 3.7.18Secondary Specific Activity A0TS 3.7.14Secondary Specific ActivityAMENDMENT:TS Bases 3.7.18Secondary Specific Activity R0R47 (A38)TS Bases 3.7.14Secondary Specific ActivityR47 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.8.1AC Sources - Operating A0-----

A12-----A30

A39-----A55

AXXTS 3.8.1AC Sources - OperatingA12 amended the Unit 1 TS to allow online testing of diesel generator batteries and performance of diesel generator 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months 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 0.02 hours 1.190476e-4 weeks 2.7396e-5 months 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 0.02 hours 1.190476e-4 weeks 2.7396e-5 months 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 0.02 hours 1.190476e-4 weeks 2.7396e-5 months ." This change was made to Unit 2 TS in revision A. This information is being provided for continuity purpose.AMENDMENT:

BPage 63 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.8.1AC Sources - Operating R0-----

R19 (A12)-----R50 (A39)

R63-----R65

R68 (A55)------------------

RXX (AXX)TS Bases 3.8.1AC Sources - OperatingR19 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 0.00667 hours 3.968254e-5 weeks 9.132e-6 months 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 0.02 hours 1.190476e-4 weeks 2.7396e-5 months 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 0.02 hours 1.190476e-4 weeks 2.7396e-5 months ." This change was made to Unit 2 TS in revision A. This information is being provided for continuity purpose.AMENDMENT:

BTS 3.8.2AC Sources - Shutdown A0TS 3.8.2AC Sources - ShutdownAMENDMENT:Page 64 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.8.2AC Sources - Shutdown R0TS Bases 3.8.2AC Sources - ShutdownAMENDMENT:TS 3.8.3Diesel Fuel Oil, Lube Oil, and Starting Air A0TS 3.8.3Diesel Fuel Oil, Lube Oil, and Starting AirAMENDMENT:TS Bases 3.8.3Diesel Fuel Oil, Lube Oil, and Starting Air R0R29R55TS Bases 3.8.3Diesel Fuel Oil, Lube Oil, and Starting AirR29 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 3.8.4DC Sources - Operating A0 A12 A54TS 3.8.4DC Sources - OperatingA12 amended the Unit 1 TS to allow online testing of diesel generator batteries and performance of diesel generator 24 hour2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.8.4DC Sources - Operating R0R19 (A12)

R56R66R69 (A54)TS Bases 3.8.4DC Sources - OperatingR19 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 0.00667 hours 3.968254e-5 weeks 9.132e-6 months 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 3.8.5DC Sources - Shutdown A0TS 3.8.5DC Sources - ShutdownAMENDMENT:TS Bases 3.8.5DC Sources - Shutdown R0TS Bases 3.8.5DC Sources - ShutdownAMENDMENT:TS 3.8.6 Battery Cell Parameters A0TS 3.8.6Battery Cell ParametersAMENDMENT:Page 66 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.8.6Battery Cell Parameters R0TS Bases 3.8.6Battery Cell ParametersAMENDMENT:TS 3.8.7Inverters - Operating A0-----A45

A76TS 3.8.7Inverters - OperatingA45 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:

BTS Bases 3.8.7Inverters - Operating R0-----

R58 (A45)

R67-----

R75 (A45)-----R76 (A45)

R77 (A45)-----

R78 (A45)

(A76)TS Bases 3.8.7Inverters - OperatingR58 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:

BPage 67 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.8.8Inverters - Shutdown A0TS 3.8.8Inverters - ShutdownAMENDMENT:TS Bases 3.8.8Inverters - Shutdown R0R58 (A45)R67 R75 (A45)R76 (A45)R77 (A45)

R78 (A45)TS Bases 3.8.8Inverters - ShutdownR58 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 3.8.9Distribution Systems - Operating A0TS 3.8.9Distribution Systems - OperatingAMENDMENT:Page 68 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.8.9Distribution Systems - Operating R0R33 R67R75 (A45)R76 (A45)

R77 (A45)

R78 (A45)TS Bases 3.8.9Distribution Systems - OperatingR33 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 3.8.10Distribution Systems - Operating A0TS 3.8.10Distribution Systems - OperatingAMENDMENT:TS Bases 3.8.10Distribution Systems - Shutdown R0TS Bases 3.8.10Distribution Systems - ShutdownAMENDMENT:TS 3.9.1Boron Concentration A0 A55TS 3.9.1Boron ConcentrationA55 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 3.9.1Boron Concentration R0R68 (A55)TS Bases 3.9.1Boron ConcentrationR68 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 3.9.2Unborated Water Source Isolation Valves A0 A55TS 3.9.2Unborated Water Source Isolation ValvesA55 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 3.9.2Unborated Water Source Isolation Valves R0R68 (A55)TS Bases 3.9.2Unborated Water Source Isolation ValvesR68 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 3.9.3Nuclear Instrumentation A0TS 3.9.3Nuclear InstrumentationAMENDMENT:TS Bases 3.9.3 Nuclear Instrumentation R0TS Bases 3.9.3Nuclear InstrumentationAMENDMENT:TS 3.9.4Containment Penetrations A0 A26 A35TS 3.9.4Containment PenetrationsA26 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.9.4Containment Penetrations R0R37 (A26)

R45 (A35)R46R73 R74TS Bases 3.9.4Containment PenetrationsR37 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 3.9.5Residual Heat Removal (RHR) and Coolant Circulation - High Water Level A0TS 3.9.5Residual Heat Removal (RHR) and Coolant Circulation - High Water LevelAMENDMENT:Page 71 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.9.5Residual Heat Removal (RHR) and Coolant Circulation - High Water Level R0R23TS Bases 3.9.5Residual Heat Removal (RHR) and Coolant Circulation - High Water LevelR23 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 3.9.6Residual Heat Removal (RHR) and Coolant Circulation - Low Water Level A0 A55TS 3.9.6Residual Heat Removal (RHR) and Coolant Circulation - Low Water LevelA55 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 3.9.6Residual Heat Removal (RHR) and Coolant Circulation - Low Water Level R0R68 (A55)TS Bases 3.9.6Residual Heat Removal (RHR) and Coolant Circulation - Low Water LevelR68 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 3.9.7Refueling Cavity Water Level A0 A35TS 3.9.7Refueling Cavity Water LevelA35 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 3.9.7Refueling Cavity Water Level R0R45 (A35)

R55TS Bases 3.9.7Refueling Cavity Water LevelR45 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 BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 4.1 Site A0 A06TS 4.1 SiteA6 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 4.2Reactor Core A0-----A08

A40-----

A48

A67------------------

A77TS 4.2Reactor CoreA8 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:

BPage 73 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 4.3Fuel Storage A0 A06 A15 A40TS 4.3 Fuel StorageA6 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 5.1Responsibility A0 A49TS 5.1ResponsibilityA49 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 5.2Organization A0-----

A04

A49------------------

A83TS 5.2OrganizationA4 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:

BPage 74 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 5.3Unit Staff Qualifications A0 A49TS 5.3Unit Staff QualificationsA49 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 5.4Training A0TS 5.4TrainingAMENDMENT:TS 5.5Reviews and Audits A0TS 5.5Reviews and AuditsAMENDMENT:TS 5.6Technical Specifications (TS) Bases Control Program A0 A32TS 5.6Technical Specifications (TS) Bases Control

ProgramA32 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:Page 75 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 5.7Procedures, Programs, and Manuals A0 A05 A27 A34 A38 A44 A49 A63 A65 A66 A70TS 5.7 Procedures, Programs, and ManualsA5 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:Page 76 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / 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 5.8Safety Function Determination Program (SFDP)A0TS 5.8Safety Function Determination Program (SFDP)AMENDMENT:Page 77 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS 5.9Reporting Requirements A0 A07 A09 A11 A20 A21 A27 A31 A38 A46 A49 A57 A65TS 5.9Reporting RequirementsA7 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 timeNRC 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:Page 78 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLEA49 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 5.10Record Retention A0TS 5.10Record RetentionAMENDMENT:TS 5.11High Radiation Area A0 A49TS 5.11High Radiation AreaA49 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:Page 79 of 79

@@ Line 2: / Line 2: @@
 | number = ML100550396
 | issue date = 02/02/2010
-| title = Watts Bar Nuclear Plant, Unit 2, Developmental Revision B - Revision 0 Standard Specifications Review Matrix
+| title = Developmental Revision B - Revision 0 Standard Specifications Review Matrix
 | author name =
 | author affiliation = Tennessee Valley Authority

ML100550396: Difference between revisions

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ML100550396: Difference between revisions

Revision as of 17:38, 30 January 2019

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