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{{#Wiki_filter: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-----
{{#Wiki_filter:REVISION 0 STANDARD TECHNICAL SPECIFICATIONS AND WATTS BAR UNIT TWO TECHNICAL SPECIFICATIONS REVIEW MATRIX Revision 0            WBN UNIT 2 STS / BASES          TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE    APPROVAL                                    COMMENTS TS 1.1                  TS 1.1                A0                 A24 amended the Unit 1 TS to allow alternate Definitions            Definitions            -----             verification in lieu of response time testing of A24                Reactor Trip and ESF instrumentation. This
A24-----A31
                                              -----             change is to be applied to Unit 2.
-----A65------------------
A31
                                              -----             NRC approved A24 via letter dated 06/13/2000.
A65               ----------------------------------------
AMENDMENT:      B    ------------------ A31 amended the Unit 1 TS to approve Power
                                              ------------------ Uprate using Leading Edge Flow Meter (LEFM);
A82                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.
TS 1.2                  TS 1.2                A0 Logical Connectors      Logical Connectors AMENDMENT:
TS 1.3                  TS 1.3                A0 Completion Times        Completion Times AMENDMENT:
TS 1.4                  TS 1.4                A0 Frequency              Frequency AMENDMENT:
Page 1 of 79


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Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE  APPROVAL                            COMMENTS TS 2.1                TS 2.1              A0        A7 amended the Unit 1 TS to reflect changes due SLs                  SLs                  A07        to Cycle 2 Core Reload Changes. The changes A31        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 AMENDMENT:                      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.
TS Bases 2.1          TS Bases 2.1        R0        R13 revised the Unit 1 TS Bases to implement the SLs                  SLs                  R13 (A07)  changes made by A7 to the Unit 1 TS (changes R59 (A46)  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.
AMENDMENT:                      ----------------------------------------
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.
TS 2.2                TS 2.2              A0 SL Violations        SL Violations AMENDMENT:
TS 3.0                TS 3.0              A0        A55 amended the Unit 1 TS to change LIMITING CONDITION    LIMITING CONDITION  A55        requirements for Mode changes limitation in LCOs FOR OPERATION (LCO)  FOR OPERATION (LCO)            and SRs. This change is to be applied to Unit 2.
APPLICABILITY        APPLICABILITY NRC approved A55 via letter dated 03/03/2005.
AMENDMENT:
TS Bases 3.0          TS Bases 3.0        R0        R55 revised the Unit 1 TS Bases to make an LIMITING CONDITION    LIMITING CONDITION  R55        editorial correction. This change is to be applied to FOR OPERATION (LCO)  FOR OPERATION (LCO)  R68 (A55)  Unit 2.
APPLICABILITY        APPLICABILITY R55 was provided to NRC via letter dated 04/20/2004.
AMENDMENT:                      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.
Page 2 of 79


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.
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE    APPROVAL                            COMMENTS TS 3.0                TS 3.0                A0        A42 amended the Unit 1 TS to revise the time SURVEILLANCE          SURVEILLANCE          A42        delay prior to entering LCO after missing SR. This REQUIREMENT (SR)      REQUIREMENT (SR)      A55        change is to be applied to Unit 2.
----------------------------------------A31 amended the Unit 1 TS to approve Power Uprate using Leading Edge Flow Meter (LEFM);
APPLICABILITY          APPLICABILITY NRC approved A42 via letter dated 12/11/2002.
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.
R55 revised the Unit 1 TS Bases to make an AMENDMENT:                        editorial correction. This change is to be applied to Unit 2.
----------------------------------------
R55 was provided to NRC via letter dated 04/20/2004.
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 Bases 3.0          TS Bases 3.0          R0        R10 revised the Unit 1 TS Bases to reflect SURVEILLANCE          SURVEILLANCE          R10 (A05)  changes to the Unit 1 TS approved by Unit 1 TS REQUIREMENT (SR)      REQUIREMENT (SR)      R53 (A42)  A5 (allow Option B Appendix J Testing). This APPLICABILITY          APPLICABILITY          R68 (A55)  change is to be applied to Unit 2.
--------------------------------------------------------------------
NRC approved A5 via letter dated 05/27/1997.
--------------------------------------------------------------------
AMENDMENT:                        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.
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:
NRC approved A42 via letter dated 12/11/2002.
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.  
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.
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  
TS 3.1.1               TS 3.1.1               A0        A55 amended the Unit 1 TS to change SHUTDOWN MARGIN        SHUTDOWN MARGIN        A55        requirements for Mode changes limitation in LCOs (SDM) - Tavg > 200    (SDM) - Tavg > 200                and SRs. This change is to be applied to Unit 2.
degrees F              degrees F NRC approved A55 via letter dated 03/03/2005.
AMENDMENT:
TS Bases 3.1.1        TS Bases 3.1.1        R0        R68 revised the Unit 1 TS Bases to reflect SHUTDOWN MARGIN        SHUTDOWN MARGIN        R68 (A55) changes to the Unit 1 TS approved by Unit 1 TS (SDM) - Tavg > 200    (SDM) - Tavg > 200                A55 (change requirements for Mode changes degrees F              degrees F                        limitation in LCOs and SRs). This change is to be applied to Unit 2.
NRC approved A55 via letter dated 03/03/2005.
AMENDMENT:
TS 3.1.2              TS 3.1.2              A0        A55 amended the Unit 1 TS to change SHUTDOWN MARGIN        SHUTDOWN MARGIN        A55        requirements for Mode changes limitation in LCOs (SDM) - Tavg < / = 200 (SDM) - Tavg < / = 200            and SRs. This change is to be applied to Unit 2.
degrees F              degrees F NRC approved A55 via letter dated 03/03/2005.
AMENDMENT:
Page 3 of 79


2.NRC approved A7 via letter dated 09/11/1997.  
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE        APPROVAL                      COMMENTS TS Bases 3.1.2            TS Bases 3.1.2            R0        R68 revised the Unit 1 TS Bases to reflect SHUTDOWN MARGIN            SHUTDOWN MARGIN            R68 (A55)  changes to the Unit 1 TS approved by Unit 1 TS (SDM) - Tavg < / = 200    (SDM) - Tavg < / = 200                A55 (change requirements for Mode changes degrees F                  degrees F                            limitation in LCOs and SRs). This change is to be applied to Unit 2.
----------------------------------------
NRC approved A55 via letter dated 03/03/2005.
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)
AMENDMENT:
APPLICABILITY A0 A55TS 3.0LIMITING CONDITION FOR OPERATION (LCO)
TS 3.1.3                  TS 3.1.3                  A0 Core Reactivity            Core Reactivity AMENDMENT:
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.
TS Bases 3.1.3            TS Bases 3.1.3            R0        R32 revised the Unit 1 TS Bases to clarify Core Core Reactivity            Core Reactivity            R32        Reactivity and Moderator Temperature Coefficient behavior. This change is to be applied to Unit 2.
R32 was provided to NRC via letter dated 03/27/2001.
AMENDMENT:
TS 3.1.4                  TS 3.1.4                  A0 Moderator Temperature      Moderator Temperature Coefficient (MTC)         Coefficient (MTC)
AMENDMENT:
TS Bases 3.1.4            TS Bases 3.1.4            R0        R32 revised the Unit 1 TS Bases to clarify Core Moderator Temperature      Moderator Temperature      R32        Reactivity and Moderator Temperature Coefficient Coefficient (MTC)          Coefficient (MTC)                    behavior. This change is to be applied to Unit 2.
R32 was provided to NRC via letter dated 03/27/2001.
AMENDMENT:
TS 3.1.5                  TS 3.1.5                  A0 Rod Group Alignment Limits Rod Group Alignment Limits AMENDMENT:
Page 4 of 79


----------------------------------------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.
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE      APPROVAL                                    COMMENTS TS Bases 3.1.5            TS Bases 3.1.5            R0                R51 revised the Unit 1 TS Bases to clarify that Rod Group Alignment Limits Rod Group Alignment Limits -----             Shutdown Banks C and D have only one Rod R51                Group. This change is to be applied to Unit 2.
----------------------------------------
                                                      ------------------ R51 was provided to NRC via letter dated RXX (A82)          04/20/2004.
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)
AMENDMENT:      B                            --------------------------------------------------------------------
APPLICABILITY R0R10 (A05)R53 (A42)R68 (A55)TS Bases 3.0SURVEILLANCE REQUIREMENT (SR)
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.
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.
NRC approved A82 via letter dated 10/27/2009.
----------------------------------------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  
The Bases is to be revised as needed to agree with the TS changes.
TS 3.1.6                  TS 3.1.6                  A0 Shutdown Bank Insertion    Shutdown Bank Insertion Limits                    Limits AMENDMENT:
TS Bases 3.1.6            TS Bases 3.1.6            R0                R51 revised the Unit 1 TS Bases to clarify that Shutdown Bank Insertion    Shutdown Bank Insertion    R51                Shutdown Banks C and D have only one Rod Limits                    Limits                                        Group. This change is to be applied to Unit 2.
R51 was provided to NRC via letter dated 04/20/2004.
AMENDMENT:
TS 3.1.7                  TS 3.1.7                  A0 Control Bank Insertion    Control Bank Insertion Limits                    Limits AMENDMENT:
TS Bases 3.1.7            TS Bases 3.1.7            R0                R51 revised the Unit 1 TS Bases to clarify that Control Bank Insertion    Control Bank Insertion    R51                Shutdown Banks C and D have only one Rod Limits                    Limits                                        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


2.NRC approved A42 via letter dated 12/11/2002.
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE    APPROVAL                                    COMMENTS TS 3.1.8                TS 3.1.8                A0                A58 amended the Unit 1 TS to allow the position of Rod Position Indication Rod Position Indication -----              the control and shutdown rods to be monitored by A58                a means other than the movable incore detectors.
----------------------------------------
                                                ------------------ This change is to be applied to Unit 2.
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
A82                NRC approved A58 via letter dated 09/20/2005.
AMENDMENT:        B                        --------------------------------------------------------------------
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.
TS Bases 3.1.8          TS Bases 3.1.8          R0                R51 revised the Unit 1 TS Bases to clarify that Rod Position Indication Rod Position Indication -----              Shutdown Banks C and D have only one Rod R51                Group. This change is to be applied to Unit 2.
R70 (A58)          R51 was provided to NRC via letter dated
                                                ------------------ 04/20/2004.
AMENDMENT:        B    RXX (A82)          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.
TS 3.1.9                TS 3.1.9                A0 PHYSICS TESTS          PHYSICS TESTS Exceptions - MODE 1    Exceptions - MODE 1 AMENDMENT:
Page 6 of 79


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
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE  APPROVAL                                    COMMENTS TS Bases 3.1.9        TS Bases 3.1.9      R0                R40 revised the Unit 1 TS Bases to clarify Watts PHYSICS TESTS        PHYSICS TESTS        -----              Bars compliance with ANSI/ANS-19.6.1 and to Exceptions - MODE 1  Exceptions - MODE 1  R40                delete the detailed descriptions of Physics Tests.
                                          ------------------ This change is to be applied to Unit 2.
RXX (A82)          R40 was provided to NRC via letter dated 03/27/2001.
AMENDMENT:      B                      --------------------------------------------------------------------
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.
TS 3.1.10            TS 3.1.10            A0                A28 amended the Unit 1 TS in regards to the need PHYSICS TESTS        PHYSICS TESTS        A28                to conduct channel operational tests within 12 Exceptions - MODE 2  Exceptions - MODE 2                    hours 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.
AMENDMENT:
NRC approved A28 via letter dated 09/13/2000.
TS Bases 3.1.10      TS Bases 3.1.10      R0                R29 revised the Unit 1 TS Bases to add notes to PHYSICS TESTS        PHYSICS TESTS        R29                address instrument error in various parameters Exceptions - MODE 2  Exceptions - MODE 2  R39 (A28)          shown in the Bases. This change is to be applied R40                to Unit 2.
R29 was provided to NRC via letter dated 03/27/2001.
AMENDMENT:                              ----------------------------------------
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 hours prior to a physics tests and to address placing a reactor trip instrumentation channel used in physics tests in a bypassed condition instead of a tripped condition.
This change is to be applied to Unit 2.
NRC approved A28 via letter dated 09/13/2000.
R40 revised the Unit 1 TS Bases to clarify Watts Bars compliance with ANSI/ANS-19.6.1 and to delete the detailed descriptions of Physics Tests.
This change is to be applied to Unit 2.
R40 was provided to NRC via letter dated 03/27/2001.
TS 3.1.11            XX                  XX                The marked-up version of the STS submitted with SHUTDOWN MARGIN       XX                                      the Unit 1 TS / TS Bases stated The TS 3.1.11, (SDM) Test Exceptions                                        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, AMENDMENT:                              on Unit 1.
Page 7 of 79


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)
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE  APPROVAL                                    COMMENTS TS Bases 3.1.11      XX                    XX                The marked-up version of the STS submitted with SHUTDOWN MARGIN       XX                                      the Unit 1 TS / TS Bases stated The TS 3.1.11, (SDM) Test Exceptions                                          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, AMENDMENT:                              on Unit 1.
A0TS 3.1.4Moderator Temperature Coefficient (MTC)AMENDMENT:TS Bases 3.1.4Moderator Temperature Coefficient (MTC)
TS 3.2.1A            XX                    XX                Watts Bar uses the "FQ Methodology." This Heat Flux Hot Channel XX                                      section will not be used at Watts Bar.
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-----
Factor (FQ(Z)) (FXY Methodology)
R51------------------
AMENDMENT:
------------------
TS Bases 3.2.1A      XX                    XX                Watts Bar uses the "FQ Methodology." This Heat Flux Hot Channel XX                                      section will not be used at Watts Bar.
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.
Factor (FQ(Z)) (FXY Methodology)
AMENDMENT:
TS 3.2.1B            TS 3.2.1             A0                A11 amended the Unit 1 TS to replace the 2%
Heat Flux Hot Channel Heat Flux Hot Channel -----              penalty addressed in SR 3.2.1.2(a) with a burnup-Factor (FQ(Z)) (FQ    Factor (FQ(Z))       A11                dependent factor to be specified in the Core Methodology)                                ------------------ Operating Limits Report (COLR). This change is
                                            ------------------ to be applied to Unit 2.
A82 NRC approved A11 via letter dated 08/10/1998.
AMENDMENT:     B                        --------------------------------------------------------------------
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.
Page 8 of 79


--------------------------------------------------------------------
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE      APPROVAL                                    COMMENTS TS Bases 3.2.1B          TS Bases 3.2.1            R0                R18 revised the Unit 1 TS Bases to reflect Heat Flux Hot Channel    Heat Flux Hot Channel    -----             changes to the Unit 1 TS approved by Unit 1 TS Factor (FQ(Z)) (FQ        Factor (FQ(Z))            R18 (A11)          A11 {replace the 2% penalty addressed in SR Methodology)                                        -----             3.2.1.2(a) with a burnup-dependent factor to be R38                specified in the Core Operating Limits Report
--------------------------------------------------------------------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:
                                                    -----             (COLR)}. This change is to be applied to Unit 2.
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-----
R39 (A21)
A58------------------
AMENDMENT:      B        ------------------ NRC approved A11 via letter dated 08/10/1998.
------------------
R99                R38 revised the Unit 1 TS Bases to revise SR
                                                    -----             3.2.1.2 to reflect the area of the core that will be RXX (A82)          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.
TS 3.2.2                 TS 3.2.2                  A0 Nuclear Enthalpy Rise Hot Nuclear Enthalpy Rise Hot Channel Factor (FNdeltaH) Channel Factor (FNdeltaH)
AMENDMENT:
Page 9 of 79


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.
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE      APPROVAL                                    COMMENTS TS Bases 3.2.2              TS Bases 3.2.2            R0                R13 revised the Unit 1 TS Bases to implement the Nuclear Enthalpy Rise Hot  Nuclear Enthalpy Rise Hot -----              changes made by A7 to the Unit 1 TS (changes Channel Factor (FNdeltaH)  Channel Factor (FNdeltaH) R13 (A07)          due to Cycle 2 Core Reload Changes). The
--------------------------------------------------------------------
                                                      -----              changes remain valid for and will be applied to Unit R39 (A21)          2.
--------------------------------------------------------------------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:
R59 (A46)          NRC approved A7 via letter dated 09/11/1997.
BTS Bases 3.1.8Rod Position Indication R0-----
AMENDMENT:                ------------------ ----------------------------------------
R51-----R70 (A58)
                                                      ------------------ R39 revised the Unit 1 TS Bases to reflect RXX (A82)          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.
TS 3.2.3.A                  XX                        XX                Watts Bar will utilize RAOC Methodology. This AXIAL FLUX DIFFERENCE      XX                                          section will not be used at Watts Bar.
(AFD) (Constant Axial Offset Control (CAOC)
Methodology)
AMENDMENT:
TS Bases 3.2.3.A            XX                        XX                Watts Bar will utilize RAOC Methodology. This AXIAL FLUX DIFFERENCE      XX                                          section will not be used at Watts Bar.
(AFD) (Constant Axial Offset Control (CAOC)
Methodology)
AMENDMENT:
TS 3.2.3.B                  TS 3.2.3                  A0 AXIAL FLUX DIFFERENCE      AXIAL FLUX DIFFERENCE (AFD) (Relaxed Axial Offset (AFD)
Control (RAOC)
Methodology)
AMENDMENT:
Page 10 of 79


------------------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.
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE  APPROVAL                                    COMMENTS TS Bases 3.2.3.B            TS Bases 3.2.3        R0 AXIAL FLUX DIFFERENCE      AXIAL FLUX DIFFERENCE (AFD) (Relaxed Axial Offset (AFD)
 
Control (RAOC)
----------------------------------------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.
Methodology)
--------------------------------------------------------------------
AMENDMENT:
 
TS 3.2.4                    TS 3.2.4              A0 QUADRANT POWER TILT        QUADRANT POWER TILT  ------------------ --------------------------------------------------------------------
--------------------------------------------------------------------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:
RATIO (QPTR)                RATIO (QPTR)          ------------------ --------------------------------------------------------------------
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-----
A82                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.
R40------------------
AMENDMENT:      B NRC approved A82 via letter dated 10/27/2009.
------------------
TS Bases 3.2.4              TS Bases 3.2.4        R0 QUADRANT POWER TILT        QUADRANT POWER TILT  ------------------ --------------------------------------------------------------------
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.
RATIO (QPTR)               RATIO (QPTR)         ------------------ --------------------------------------------------------------------
--------------------------------------------------------------------
RXX (A82)          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:
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:
NRC approved A82 via letter dated 10/27/2009.
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 hours 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.
The Bases is to be revised as needed to agree with the TS changes.
 
Page 11 of 79
----------------------------------------
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 hours 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.


Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE      APPROVAL                                    COMMENTS TS 3.3.1                  TS 3.3.1                  A0                A7 amended the Unit 1 TS to reflect changes due Reactor Trip System (RTS) Reactor Trip System (RTS) -----              to Cycle 2 Core Reload Changes. The changes Instrumentation          Instrumentation          A07                remain valid for and will be applied to Unit 2.
A18                NRC approved A7 via letter dated 09/11/1997.
A47                A18 amended the Unit 1 TS to delete Power AMENDMENT:      B        -----              Range Neutron Flux High Negative Rate Reactor A52                Trip Function. This change is to be applied to Unit
                                                    -----              2.
A68
                                                    ------------------ NRC approved A18 via letter dated 01/15/1999.
A82                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.
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 12 of 79
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)
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE      APPROVAL                                    COMMENTS TS Bases 3.3.1            TS Bases 3.3.1            R0                R13 revised the Unit 1 TS Bases to implement the Reactor Trip System (RTS) Reactor Trip System (RTS) -----              changes made by A7 to the Unit 1 TS (changes Instrumentation          Instrumentation          R13 (A07)          due to Cycle 2 Core Reload Changes). The
--------------------------------------------------------------------
                                                    -----             changes remain valid for and will be applied to Unit R17                2.
--------------------------------------------------------------------
R27 (A18)          NRC approved A7 via letter dated 09/11/1997.
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:
AMENDMENT:      B        -----             ----------------------------------------
BTS Bases 3.2.4QUADRANT POWER TILT RATIO (QPTR)
R34 (A24)          R17 revised the Unit 1 TS Bases for Source Range
R0------------------
                                                    -----             Neutron Flux (change indication to visual R60 (A47)          indication and audible alarm). This change is to
------------------RXX (A82)TS Bases 3.2.4QUADRANT POWER TILT RATIO (QPTR)
                                                    -----             be applied to Unit 2.
--------------------------------------------------------------------
R90 (A68)
--------------------------------------------------------------------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-----
                                                    ------------------ R17 was provided to NRC via letter dated
A07-----A18
                                                    ------------------ 10/18/1999.
-----
RXX (A82)          ----------------------------------------
A47-----A52
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.
-----A68------------------
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.
Page 13 of 79


------------------
Revision 0    WBN UNIT 2 STS / BASES    TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL                      COMMENTS NRC approved A82 via letter dated 10/27/2009.
The Bases is to be revised as needed to agree with the TS changes.
Page 14 of 79


A82TS 3.3.1Reactor Trip System (RTS)
Revision 0              WBN UNIT 2 STS / BASES            TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE      APPROVAL                                  COMMENTS TS 3.3.2                  TS 3.3.2                  A0                A1 amended the Unit 1 TS to reflect modification Engineered Safety Feature Engineered Safety Feature -----            to prevent inadvertent transfer of the turbine driven Actuation System (SEAS)  Actuation System (SEAS)  A01              auxiliary feedwater pump suction from the Instrumentation          Instrumentation          -----            condensate storage tank to the emergency raw A07              cooling water system. This change is to be
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.  
                                                    -----            applied to Unit 2.
----------------------------------------
A13 AMENDMENT:      B        -----            NRC approved A1 via letter dated 02/28/1996.
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
A17              ----------------------------------------
 
                                                    -----            A7 amended the Unit 1 TS to incorporate Cycle 2 A23              core reload changes. This change is to be applied
2.NRC approved A18 via letter dated 01/15/1999.
                                                    -----             to Unit 2.
----------------------------------------
A68
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.
                                                    ----------------- NRC approved A7 via letter dated 09/11/1997.
----------------------------------------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.
A75              A13 amended the Unit 1 TS to clarify the intent of
----------------------------------------
                                                    -----            the surveillance testing requirements for the A80              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.
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.
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.
Page 15 of 79


--------------------------------------------------------------------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:
Revision 0    WBN UNIT 2 STS / BASES    TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL                            COMMENTS The NRC approved A75 in a letter dated March 4, 2009.
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-----
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.
R13 (A07)-----R17
This change is to be applied to Unit 2.
-----
The NRC approved A80 in a letter dated September 8, 2009.
R27 (A18)-----R34 (A24)
Page 16 of 79
-----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.
Revision 0              WBN UNIT 2 STS / BASES            TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE      APPROVAL                                    COMMENTS TS Bases 3.3.2            TS Bases 3.3.2            R0                R1 revised the Unit 1 TS Bases to add additional Engineered Safety Feature Engineered Safety Feature -----              information for SR 3.3.2.7 concerning slave relay Actuation System (SEAS)  Actuation System (SEAS)  R01                testing. This change is to be applied to Unit 2.
----------------------------------------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.
Instrumentation          Instrumentation          -----
R02 (A01)          R1 was provided to NRC via letter dated
                                                    -----             02/09/1998.
R09                ----------------------------------------
AMENDMENT:      B        -----              R2 revised the Unit 1 TS Bases to reflect changes R13 (A07)          to the Unit 1 TS approved by Unit 1 TS A1 (reflect
                                                    -----              modification to prevent inadvertent transfer of the R20 (A13)          turbine driven auxiliary feedwater pump suction
                                                    -----              from the condensate storage tank to the R26 (A17)          emergency raw cooling water system). This
                                                    -----              change is to be applied to Unit 2.
R30 (A23)
                                                    -----              NRC approved A1 via letter dated 02/28/1996.
R34 (A24)          ----------------------------------------
                                                    -----             R9 revised the Unit 1 TS Bases to clarify switch R90 (A68)          controls for Manual Phase A Containment Vent
                                                    ------------------ Isolation. This change is to be applied to Unit 2.
R96 (A75)          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.
Page 17 of 79


----------------------------------------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.
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE      APPROVAL                                    COMMENTS NRC approved A24 via letter dated 06/13/2000.
----------------------------------------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.
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.
----------------------------------------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.
NRC approved A68 via letter dated 06/30/2008.
----------------------------------------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.
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.)
----------------------------------------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:
This change is to be applied to Unit 2.
BPage 17 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLENRC approved A24 via letter dated 06/13/2000.
The NRC approved A75 in a letter dated March 4, 2009.
----------------------------------------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,"
TS 3.3.3                TS 3.3.3                A0                A55 amended the Unit 1 TS to change Post Accident Monitoring Post Accident Monitoring ---                requirements for Mode changes limitation in LCOs (PAM) Instrumentation    (PAM) Instrumentation    A55                and SRs. This change is to be applied to Unit 2.
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.
                                                  ------------------ NRC approved A55 via letter dated 03/03/2005.
--------------------------------------------------------------------
A72                --------------------------------------------------------------------
AMENDMENT:      B                          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.
Page 18 of 79


--------------------------------------------------------------------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.)
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE    APPROVAL                                    COMMENTS TS Bases 3.3.3          TS Bases 3.3.3          R0                R28 revised the Unit 1 TS Bases to reflect P2500 Post Accident Monitoring Post Accident Monitoring -----             replacement with ICS (delete reference to ERFDS (PAM) Instrumentation    (PAM) Instrumentation    R28                as a redundant input signal). This change is to be
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------------------
                                                  -----             applied to Unit 2.
R49 (A34)
                                                  -----              R28 was provided to NRC via letter dated R68 (A55)          10/18/1999.
AMENDMENT:        B      ------------------ ----------------------------------------
                                                  ------------------ R49 revised the Unit 1 TS Bases to reflect R94 (A72)          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.
TS 3.3.4                TS 3.3.4                A0                A53 amended the Unit 1 TS allow a one-time Remote Shutdown System  Remote Shutdown System  A53                change to Function 4a of TS Table 3.3.4-1 (allows A55                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.
AMENDMENT:                                  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.
TS Bases 3.3.4          TS Bases 3.3.4          R0                R68 revised the Unit 1 TS Bases to reflect Remote Shutdown System  Remote Shutdown System  R68 (A55)          changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.
NRC approved A55 via letter dated 03/03/2005.
AMENDMENT:
TS 3.3.5                TS 3.3.5                A0                A36 amended the Unit 1 TS to increase time-delay Loss of Power (LOP)      Loss of Power (LOP)      A36                settings for 6.9kV degraded voltage relays. This Diesel Generator (DG)    Diesel Generator (DG)                       change is to be applied to Unit 2.
Start Instrumentation   Start Instrumentation NRC approved A36 via letter dated 01/23/2002.
AMENDMENT:
Page 19 of 79


------------------
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE      APPROVAL                                    COMMENTS TS Bases 3.3.5        TS Bases 3.3.5            R0                R48 revised the Unit 1 TS Bases to reflect Loss of Power (LOP)  Loss of Power (LOP)       R48 (A36)          changes to the Unit 1 TS approved by Unit 1 TS Diesel Generator (DG) Diesel Generator (DG)                        A36 (increase time-delay settings for 6.9kV Start Instrumentation Start Instrumentation                        degraded voltage relays). This change is to be applied to Unit 2.
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.
NRC approved A36 via letter dated 01/23/2002.
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AMENDMENT:
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TS 3.3.6              TS 3.3.6                  A0                A17 amended the Unit 1 TS to increase SR Containment Purge and Containment Vent Isolation -----             interval for Westinghouse type AR Relays (WCAP Exhaust Isolation    Instrumentation            A17                13877, Rev. 1 and WCAP 13900, Rev. 0). This Instrumentation                                  -----             change is to be applied to Unit 2.
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:
A35
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-----
                                                -----             NRC approved A17 via letter dated 12/30/1998.
R28-----R49 (A34)
A68                ----------------------------------------
-----
AMENDMENT:        B        ------------------ A35 amended the Unit 1 TS to eliminate ESF
R68 (A55)------------------
                                                ------------------ operability requirements that do not involve the A74                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.
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.
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.
----------------------------------------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.
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.
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.
This change is to be applied to Unit 2.
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The NRC approved A74 in a letter dated January 8, 2009.
Page 20 of 79


--------------------------------------------------------------------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:
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE      APPROVAL                                    COMMENTS TS Bases 3.3.6        TS Bases 3.3.6            R0                R9 revised the Unit 1 TS Bases to clarify switch Containment Purge and Containment Vent Isolation -----             controls for Manual Phase A Containment Vent Exhaust Isolation    Instrumentation            R09                Isolation. This change is to be applied to Unit 2.
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.
Instrumentation                                  -----
----------------------------------------
R26 (A17)          R9 was provided to NRC via letter dated
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)
                                                -----             02/09/1998.
Start Instrumentation A0 A36TS 3.3.5Loss of Power (LOP) Diesel Generator (DG)
R43                ----------------------------------------
AMENDMENT:      B          -----             R26 revised the Unit 1 TS Bases to reflect R45 (A35)          changes to the Unit 1 TS approved by Unit 1 TS
                                                -----              A17 {increase SR interval for Westinghouse type R87                AR Relays (WCAP 13877, Rev. 1 and WCAP
                                                -----              13900, Rev. 0)}. This change is to be applied to R90 (A68)          Unit 2.
                                                ------------------ NRC approved A17 via letter dated 12/30/1998.
R93 (A74)         ----------------------------------------
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 Page 21 of 79


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)
Revision 0              WBN UNIT 2 STS / BASES            TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE  APPROVAL                            COMMENTS change is to be applied to Unit 2.
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
The NRC approved A74 in a letter dated January 8, 2009.
-----A35-----
TS 3.3.7                  TS 3.3.7              A0        A35 amended the Unit 1 TS to eliminate ESF Control Room Emergency    Control Room Emergency A35        operability requirements that do not involve the Filtration System (CREFS) Ventilation System    A41        movement of irradiated fuel during core alterations Actuation Instrumentation (CREVS) Actuation                (part of TSTF-51, Revision 2). This change is to Instrumentation                  be applied to Unit 2.
A68
NRC approved A35 via letter dated 01/22/2002.
------------------
AMENDMENT:                        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.
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.
TS Bases 3.3.7            TS Bases 3.3.7        R0        R45 revised the Unit 1 TS Bases to reflect Control Room Emergency    Control Room Emergency R45 (A35)  changes to the Unit 1 TS approved by Unit 1 TS Filtration System (CREFS) Ventilation System                A35 (Eliminate ESF operability requirements that Actuation Instrumentation (CREVS) Actuation                do not involve the movement of irradiated fuel Instrumentation                  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.
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:
----------------------------------------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.
TS 3.3.8                  TS 3.3.8              A0 Fuel Building Air Cleanup Auxiliary Building Gas System (FBACS) Actuation  Treatment System Instrumentation          (ABGTS) Actuation Instrumentation AMENDMENT:
--------------------------------------------------------------------
TS Bases 3.3.8            TS Bases 3.3.8        R0        R87 revised the Unit 1 TS Bases because of DCN Fuel Building Air Cleanup Auxiliary Building Gas R87        52220-A: tied the ABI and CVI signals together so System (FBACS) Actuation  Treatment System                  that either signal initiates the other signal. This Instrumentation          (ABGTS) Actuation                change is to be applied to Unit 2.
--------------------------------------------------------------------
Instrumentation R87 was provided to the NRC via letter dated 09/22/2008.
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:
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-----
TS 3.3.9                  XX                    XX        This section was not included in the Unit 1 Boron Dilution Protection XX                                submittal; it is not in current Unit 1 TS and TS System (BDPS)                                              Bases.
R09-----R26 (A17)
AMENDMENT:
-----
Page 22 of 79
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.
Revision 0                WBN UNIT 2 STS / BASES                TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE        APPROVAL                            COMMENTS TS Bases 3.3.9              XX                          XX        This section was not included in the Unit 1 Boron Dilution Protection  XX                                    submittal; it is not in current Unit 1 TS and TS System (BDPS)                                                      Bases.
----------------------------------------
AMENDMENT:
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.
TS 3.4.1                    TS 3.4.1                    A0        A7 amended the Unit 1 TS to reflect changes due RCS Pressure,              RCS Pressure,              A07        to Cycle 2 Core Reload Changes. The changes Temperature, and Flow      Temperature, and Flow      A47        remain valid for and will be applied to Unit 2.
Departure from Nucleate    Departure from Nucleate Boiling (DNB) Limits        Boiling (DNB) Limits                  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 AMENDMENT:      B                    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.
TS Bases 3.4.1              TS Bases 3.4.1              R0        R13 revised the Unit 1 TS Bases to implement the RCS Pressure,              RCS Pressure,              R13 (A07)  changes made by A7 to the Unit 1 TS (changes Temperature, and Flow      Temperature, and Flow      R29        due to Cycle 2 Core Reload Changes). The Departure from Nucleate    Departure from Nucleate    R60 (A47) changes remain valid for and will be applied to Unit Boiling (DNB) Limits        Boiling (DNB) Limits                  2.
NRC approved A7 via letter dated 09/11/1997.
AMENDMENT:      B                    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.
TS 3.4.2                    TS 3.4.2                    A0 RCS Minimum                RCS Minimum Temperature for Criticality Temperature for Criticality AMENDMENT:
Page 23 of 79


----------------------------------------
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE        APPROVAL                            COMMENTS TS Bases 3.4.2              TS Bases 3.4.2              R0        R29 revised the Unit 1 TS Bases to add notes to RCS Minimum                RCS Minimum                R29        address instrument error in various parameters Temperature for Criticality Temperature for Criticality R55        shown in the Bases. This change is to be applied to Unit 2.
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  
R29 was provided to NRC via letter dated 03/27/2001.
AMENDMENT:                            ----------------------------------------
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.
TS 3.4.3                    TS 3.4.3                    A0 RCS Pressure and            RCS Pressure and Temperature (P/T) Limits    Temperature (P/T) Limits AMENDMENT:
TS Bases 3.4.3              TS Bases 3.4.3              R0 RCS Pressure and            RCS Pressure and Temperature (P/T) Limits    Temperature (P/T) Limits AMENDMENT:
TS 3.4.4                    TS 3.4.4                    A0 RCS Loops - MODES 1        RCS Loops - MODES 1 and 2                      and 2 AMENDMENT:
TS Bases 3.4.4              TS Bases 3.4.4              R0        R82 revised the Unit 1 TS Bases to reflect RCS Loops - MODES 1        RCS Loops - MODES 1        R82 (A65)  changes to the Unit 1 TS approved by Unit 1 TS and 2                      and 2                                  A65 (amended Unit 1 TS's Steam Generator Tube Surveillance Program; modeled after TSTF-449).
This change is to be applied to Unit 2.
NRC approved A65 via letter dated 11/03/2006.
AMENDMENT:
TS 3.4.5                    TS 3.4.5                    A0        A61 amended the Unit 1 TS to authorize change in RCS Loops - MODE 3          RCS Loops - MODE 3          A61        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


2.NRC approved A35 via letter dated 01/22/2002.
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE  APPROVAL                            COMMENTS TS Bases 3.4.5        TS Bases 3.4.5      R0        R29 revised the Unit 1 TS Bases to add notes to RCS Loops - MODE 3    RCS Loops - MODE 3  R29        address instrument error in various parameters R79 (A61)  shown in the Bases. This change is to be applied R82 (A65)  to Unit 2.
----------------------------------------
R29 was provided to NRC via letter dated 03/27/2001.
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:                      ----------------------------
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.
TS 3.4.6              TS 3.4.6            A0        A61 amended the Unit 1 TS to authorize change in RCS Loops - MODE 4    RCS Loops - MODE 4  A61        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


----------------------------------------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.
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE  APPROVAL                            COMMENTS TS Bases 3.4.6        TS Bases 3.4.6      R0        R29 revised the Unit 1 TS Bases to add notes to RCS Loops - MODE 4    RCS Loops - MODE 4  R29        address instrument error in various parameters R72        shown in the Bases. This change is to be applied R79 (A61)  to Unit 2.
--------------------------------------------------------------------
R82 (A65)
R29 was provided to NRC via letter dated 03/27/2001.
AMENDMENT:                      ----------------------------
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.
TS 3.4.7              TS 3.4.7            A0        A61 amended the Unit 1 TS to authorize change in RCS Loops - MODE 5,   RCS Loops - MODE 5, A61        SG level requirement from greater than or equal to Loops Filled          Loops Filled                    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


--------------------------------------------------------------------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:
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE  APPROVAL                            COMMENTS TS Bases 3.4.7        TS Bases 3.4.7      R0        R29 revised the Unit 1 TS Bases to add notes to RCS Loops - MODE 5,  RCS Loops - MODE 5,  R29        address instrument error in various parameters Loops Filled          Loops Filled        R79 (A61)  shown in the Bases. This change is to be applied R82 (A65)  to Unit 2.
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)
R29 was provided to NRC via letter dated 03/27/2001.
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.
AMENDMENT:                      ----------------------------
----------------------------------------
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.
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)
NRC approved A61 via letter dated 05/05/2006.
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
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.
TS 3.4.8              TS 3.4.8            A0        A55 amended the Unit 1 TS to change RCS Loops - MODE 5,  RCS Loops - MODE 5,  A55        requirements for Mode changes limitation in LCOs Loops Not Filled      Loops Not Filled                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.
AMENDMENT:                      NRC approved A55 via letter dated 03/03/2005.
TS Bases 3.4.8        TS Bases 3.4.8      R0        R68 revised the Unit 1 TS Bases to reflect RCS Loops - MODE 5,  RCS Loops - MODE 5,  R68 (A55)  changes to TS approved by Unit 1 TS A55 (change Loops Not Filled      Loops Not Filled                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.
AMENDMENT:
NRC approved A55 via letter dated 03/03/2005.
TS 3.4.9              TS 3.4.9            A0 Pressurizer          Pressurizer AMENDMENT:
TS Bases 3.4.9        TS Bases 3.4.9      R0        R29 revised the Unit 1 TS Bases to add notes to Pressurizer          Pressurizer          R29        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


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)
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE      APPROVAL                            COMMENTS TS 3.4.10                TS 3.4.10                 A0 Pressurizer Safety Valves Pressurizer Safety Valves AMENDMENT:
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)
TS Bases 3.4.10          TS Bases 3.4.10          R0        R89 revised the Unit 1 TS Bases to reflect Pressurizer Safety Valves Pressurizer Safety Valves R89 (A66) 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 AMENDMENT:                           other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.
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.
NRC approved A66 via letter dated 12/18/2006.
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TS 3.4.11                TS 3.4.11                A0        A55 amended the Unit 1 TS to change Pressurizer Power        Pressurizer Power        A55        requirements for Mode changes limitation in LCOs Operated Relief Valves    Operated Relief Valves              and SRs. This change is to be applied to Unit 2.
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:
(PORVs)                   (PORVs)
BTS Bases 3.4.1RCS Pressure, Temperature, and Flow Departure from Nucleate Boiling  (DNB) Limits R0R13 (A07)
NRC approved A55 via letter dated 03/03/2005.
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.
AMENDMENT:
----------------------------------------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.
TS Bases 3.4.11          TS Bases 3.4.11          R0        R42 revised the Unit 1 TS Bases to clarify TS Pressurizer Power        Pressurizer Power        R42        operability requirements for the pressurizer Operated Relief Valves    Operated Relief Valves    R68 (A55) PORVs. This change is to be applied to Unit 2.
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(PORVs)                  (PORVs)                   R89 (A66)
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:
R42 was provided to NRC via letter dated 03/27/2001.
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.
AMENDMENT:                          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.
----------------------------------------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).
NRC approved A55 via letter dated 03/03/2005.
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.
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.
----------------------------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.
NRC approved A66 via letter dated 12/18/2006.
-----------------------------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.
Page 28 of 79
----------------------------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.
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE    APPROVAL                            COMMENTS TS 3.4.12              TS 3.4.12                A0        A14 amended the Unit 1 TS to allow up to 4 hours Low Temperature        Cold Overpressure        A14        to make the residual heat removal suction relief Overpressure Protection Mitigation System (COMS) A55        valve available as a cold overpressure mitigation (LTOP) System                                              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.
----------------------------------------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 hours 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.
AMENDMENT:                          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.
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.
NRC approved A55 via letter dated 03/03/2005.
TS Bases 3.4.12        TS Bases 3.4.12          R0        R7 revised the Unit 1 TS Bases to clarify the COT Low Temperature        Cold Overpressure        R07        frequency. This change is to be applied to Unit 2.
Overpressure Protection Mitigation System (COMS) R22 (A14)
(LTOP) System                                    R68 (A55)  R7 was provided to NRC via letter dated R89 (A66)  02/09/1998.
R22 revised the Unit 1 TS Bases to reflect AMENDMENT:                         changes to TS approved by Unit 1 TS A14 {allow up to 4 hours to make the residual heat removal suction relief valve available as a cold overpressure mitigation system (COMS) relief path}. This change is to be applied to Unit 2 NRC approved A14 via letter dated 11/10/1998.
R68 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This portion of the TS Bases does not need this revision for Unit 2; the revision restores this portion of the TS Bases to the way R0 of the STS is written.
NRC approved A55 via letter dated 03/03/2005.
R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.
NRC approved A66 via letter dated 12/18/2006.
Page 29 of 79


----------------------------------------R22 revised the Unit 1 TS Bases to reflect changes to TS approved by Unit 1 TS A14 {allow up to 4 hours 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.
Revision 0           WBN UNIT 2 STS / BASES          TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE    APPROVAL                            COMMENTS TS 3.4.13              TS 3.4.13              A0        A38 amended the Unit 1 TS to incorporate voltage-RCS Operational LEAKAGE RCS Operational LEAKAGE A38        based Alternate Repair Criteria for steam A65        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 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:                        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.
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.
TS Bases 3.4.13        TS Bases 3.4.13        R0        R47 revised the Unit 1 TS Bases to reflect RCS Operational LEAKAGE RCS Operational LEAKAGE R47 (A38)  changes to the Unit 1 TS approved by Unit 1 TS R68 (A56)  A38 (incorporate voltage-based Alternate Repair R82 (A65)  Criteria for steam generator tubes). This change will NOT be applied to Unit 2 at this time.
----------------------------------------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.
NRC approved A38 via letter dated 02/26/2002.
-----------------------------
AMENDMENT:                        -----------------------------
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).
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.
This change will NOT be applied to Unit 2.
-----------------------------R82 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A65 (amended Unit 1 TS's Steam Generator Tube Surveillance Program). 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-----
NRC approved A56 via letter dated 03/10/2005.
A55------------------
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.
TS 3.4.14              TS 3.4.14              A0 RCS Pressure Isolation  RCS Pressure Isolation Valve (PIV) Leakage     Valve (PIV) Leakage AMENDMENT:
TS Bases 3.4.14        TS Bases 3.4.14        R0        R89 revised the Unit 1 TS Bases to reflect RCS Pressure Isolation  RCS Pressure Isolation  R89 (A66)  changes to the Unit 1 TS approved by Unit 1 TS Valve (PIV) Leakage    Valve (PIV) Leakage                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 AMENDMENT:                        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.
Page 30 of 79


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.
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE  APPROVAL                                    COMMENTS TS 3.4.15            TS 3.4.15            A0                A55 amended the Unit 1 TS to change RCS Leakage Detection RCS Leakage Detection -----              requirements for Mode changes limitation in LCOs Instrumentation      Instrumentation      A55                and SRs. This change is to be applied to Unit 2.
--------------------------------------------------------------------
                                            ------------------ NRC approved A55 via letter dated 03/03/2005.
A71                --------------------------------------------------------------------
AMENDMENT:      B                      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.
TS Bases 3.4.15      TS Bases 3.4.15      R0                R12 revised the Unit 1 TS Bases to address heat RCS Leakage Detection RCS Leakage Detection -----              tracing for radiation monitors. This change is to be Instrumentation      Instrumentation      R12                applied to Unit 2.
R68 (A55)          R12 was provided to NRC via letter dated
                                            ------------------ 02/09/1998.
AMENDMENT:      B    R92 (A71)          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.
TS 3.4.16            TS 3.4.16            A0                A41 amended the Unit 1 TS to lower the steady-RCS Specific Activity RCS Specific Activity A41                state specific activity of the primary coolant and to A55                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.
AMENDMENT:                              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.
Page 31 of 79


--------------------------------------------------------------------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:
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE  APPROVAL                            COMMENTS TS Bases 3.4.16          TS Bases 3.4.16      R0        R52 revised the Unit 1 TS Bases to reflect RCS Specific Activity    RCS Specific Activity R52 (A41)  changes to the Unit 1 TS approved by Unit 1 TS R68 (A55)  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.
BTS Bases 3.4.15RCS Leakage Detection Instrumentation R0-----
AMENDMENT:
R12-----R68 (A55)
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.
------------------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.
NRC approved A55 via letter dated 03/03/2005.
--------------------------------------------------------------------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.
TS 3.4.17                XX                    XX        This specification is not applicable to Watts Bar.
--------------------------------------------------------------------
RCS Loop Isolation Valves XX AMENDMENT:
--------------------------------------------------------------------
TS Bases 3.4.17          XX                    XX        This specification is not applicable to Watts Bar.
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.
RCS Loop Isolation Valves XX AMENDMENT:
TS 3.4.18                XX                    XX        This specification is not applicable to Watts Bar.
RCS Isolated Loop Startup XX AMENDMENT:
TS Bases 3.4.18          XX                    XX        This specification is not applicable to Watts Bar.
RCS Isolated Loop Startup XX AMENDMENT:
Page 32 of 79


----------------------------------------AMENDMENT:
Revision 0      WBN UNIT 2 STS / BASES      TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE APPROVAL                      COMMENTS TS 3.4.19            XX                             The original submittal to the NRC on 08/27/1992 RCS Loops - Test      XX                              showed this as becoming Unit 1 TS 3.4.17. By the Exceptions                                            time the photo-ready version was submitted in 1995, it had been deleted. It is not applicable to Unit 2.
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.
AMENDMENT:
------------------------------
TS Bases 3.4.19      XX                             The original submittal to the NRC on 08/27/1992 RCS Loops - Test      XX                              showed this as becoming Unit 1 TS Bases 3.4.17.
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)
Exceptions                                            By the time the photo-ready version was submitted in 1995, it had been deleted. It is not applicable to Unit 2.
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.
AMENDMENT:
----------------------------------------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-----
Page 33 of 79
A07-----A21
-----
A40-----A48
-----A67------------------


------------------
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE  APPROVAL                                    COMMENTS TS 3.5.1              TS 3.5.1            A0                A7 amended the Unit 1 TS to reflect changes due Accumulators          Accumulators        -----              to Cycle 2 Core Reload Changes. The changes A07                implemented by A7 in this subsection were
 
                                          -----              superseded by a later amendment.
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
----------------------------------------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.
                                          -----             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.  
A40                ----------------------------------------
----------------------------------------
AMENDMENT:     B    -----             A21 amended the Unit 1 TS to allow use of the A48                Westinghouse generic best estimate large break
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.
                                          -----             loss of coolant accident analysis methodology, A67                using the WCOBRA/TRAC code. This change is
----------------------------------------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.
                                          ------------------ to be applied to Unit 2.
--------------------------------------------------------------------
A77                NRC approved A21 via letter dated 03/17/2000.
 
A81                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.
--------------------------------------------------------------------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.
NRC approved A40 via letter dated 09/23/2002.
----------------------------------------A81 amended the Unit 1 TS to to extend the Completion Time for TS LCO 3.5.1, Condition B from 1 hour to 24 hours. This change is to be applied to Unit 2.NRC approved A81 via letter dated 09/09/2009.AMENDMENT:
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.
BPage 34 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.5.1Accumulators R0-----
NRC approved A48 via letter dated 10/08/2003.
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 hour to 24 hours). 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.
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.
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.
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:
TPBARS will NOT be used on Unit 2.
BPage 38 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.5.4Refueling Water Storage Tank (RWST)
NRC approved A77 via letter dated 05/04/2009.
R0R13 (A07)
A81 amended the Unit 1 TS to to extend the Completion Time for TS LCO 3.5.1, Condition B from 1 hour to 24 hours. This change is to be applied to Unit 2.
R29R61 (A40/A48)
NRC approved A81 via letter dated 09/09/2009.
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.
Page 34 of 79
----------------------------------------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)
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE  APPROVAL                                    COMMENTS TS Bases 3.5.1        TS Bases 3.5.1      R0                R3 revised the Unit 1 TS Bases to reflect the Accumulators          Accumulators        -----              implementation of a DCN that changed the cold R03                leg accumulator tank pressure high/low setpoints.
XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS Bases 3.5.6Boron Injection Tank (BIT)
                                          -----             This change is to be applied to Unit 2.
XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS 3.6.1Containment    (Atmospheric, Subatmospheric, Ice Condenser, and Dual)
R29
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)
                                          -----             R3 was provided to NRC via letter dated R39 (A21)          02/09/1998.
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)
AMENDMENT:      B    ------------------ ----------------------------------------
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)
                                          ------------------ R29 revised the Unit 1 TS Bases to add notes to R98 (A81)         address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.
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.
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 hour to 24 hours). This change is to be applied to Unit 2.
NRC approved A81 via letter dated 09/09/2009.
TS 3.5.2              TS 3.5.2            A0                A43 amended the Unit 1 TS to revise, for one time ECCS - Operating      ECCS - Operating    A43                only, a portion of SR 3.5.2.3. This change will A55                NOT be applied to Unit 2.
NRC approved A43 via letter dated 05/01/2003.
A55 amended the Unit 1 TS to change AMENDMENT:                              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 Page 35 of 79


----------------------------------------
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE  APPROVAL                            COMMENTS TS Bases 3.5.2        TS Bases 3.5.2      R0        R14 revised the Unit 1 TS Bases to update the ECCS - Operating      ECCS - Operating    R14        hotleg recirculation timeframe. This change was R39 (A21)  superseded by later revisions, and will NOT be R54 (A43)  applied to Unit 2.
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)
R57 (A48)
A0-----
R61 (A40)  R14 was provided to NRC via letter dated R62        02/09/1998.
A05------------------
AMENDMENT:          R68 (A55)  ----------------------------------------
------------------
R80        R39 revised the Unit 1 TS Bases to reflect R89 (A66)  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.
Page 36 of 79


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.
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE  APPROVAL                      COMMENTS R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.
--------------------------------------------------------------------
NRC approved A66 via letter dated 12/18/2006.
TS 3.5.3              TS 3.5.3            A0        A55 amended the Unit 1 TS to change ECCS - Shutdown      ECCS - Shutdown      A55        requirements for Mode changes limitation in LCOs and SRs. This change is to be applied to Unit 2.
NRC approved A55 via letter dated 03/03/2005.
AMENDMENT:
TS Bases 3.5.3        TS Bases 3.5.3      R0        R68 revised the Unit 1 TS Bases to reflect ECCS - Shutdown      ECCS - Shutdown      R68 (A55)  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


--------------------------------------------------------------------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:
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE    APPROVAL                                    COMMENTS TS 3.5.4                TS 3.5.4                A0                A7 amended the Unit 1 TS to reflect changes due Refueling Water Storage Refueling Water Storage -----             to Cycle 2 Core Reload Changes. The changes Tank (RWST)            Tank (RWST)            A07                made to this subsection by A7 were superseded by
BTS Bases 3.6.3Containment Isolation Valves    (Atmospheric, Subatmospheric, Ice Condenser, and Dual)
                                                -----             A67.
R0-----
A40
R08-----R10 (A05)
                                                -----             NRC approved A7 via letter dated 09/11/1997.
------------------
A48                ----------------------------------------
------------------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.
AMENDMENT:      B      -----             A40 amended the Unit 1 TS to allow Watts Bar to A67                irradiate up to 2304 Tritium Producing Burnable
----------------------------------------
                                                ------------------ Absorber Rods (TPBARs) in the reactor core each
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.
                                                ------------------ fuel cycle. TPBARS will NOT be used on Unit 2.
--------------------------------------------------------------------
A77 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.
Page 38 of 79


--------------------------------------------------------------------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:
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE    APPROVAL                            COMMENTS TS Bases 3.5.4          TS Bases 3.5.4          R0          R13 revised the Unit 1 TS Bases to implement the Refueling Water Storage Refueling Water Storage R13 (A07)  changes made by A7 to the Unit 1 TS (changes Tank (RWST)            Tank (RWST)            R29        due to Cycle 2 Core Reload Changes). The R61        changes made to this subsection by R13 were (A40/A48)   superseded by R88.
BTS 3.6.4AContainment Pressure    (Atmospheric, Dual, and Ice Condenser)
R88 (A67)
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)
NRC approved A7 via letter dated 09/11/1997.
R0R29 R44 (A33)R55R71 (A59)
AMENDMENT:                          ----------------------------------------
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.
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.
----------------------------------------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).
R29 was provided to NRC via letter dated 03/27/2001.
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.
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.
----------------------------------------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.
NRC approved Amendments 40 and 48 via letters dated 09/23/2002 and 10/08/2003, respectively.
----------------------------------------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.
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.
----------------------------------------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)
NRC approved A67 via letter dated 01/18/2008.
XX XX XXThis Containment Pressure specification is not the one for Watts Bar.AMENDMENT:TS Bases 3.6.4BContainment Pressure     (Subatmospheric)
TS 3.5.5                TS 3.5.5                A0 Seal Injection Flow     Seal Injection Flow AMENDMENT:
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)
TS Bases 3.5.5          TS Bases 3.5.5          R0          R29 revised the Unit 1 TS Bases to add notes to Seal Injection Flow    Seal Injection Flow    R29        address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.
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)
R29 was provided to NRC via letter dated 03/27/2001.
XX XX XXThis Containment Air Tem perature specification is not the one for Watts Bar.AMENDMENT:TS 3.6.5BContainment Air Temperature    (Ice Condenser)
AMENDMENT:
A0TS 3.6.5Containment Air TemperatureAMENDMENT:TS Bases 3.6.5BContainment Air Temperature    (Ice Condenser)
Page 39 of 79
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)------------------


------------------
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE  APPROVAL                            COMMENTS TS 3.5.6                  XX                    XX        This specification is not applicable to Watts Bar.
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.
Boron Injection Tank (BIT) XX AMENDMENT:
----------------------------------------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.
TS Bases 3.5.6            XX                    XX        This specification is not applicable to Watts Bar.
Boron Injection Tank (BIT) XX AMENDMENT:
TS 3.6.1                  TS 3.6.1              A0        A5 amended the Unit 1 TS to Allow Appendix J, Containment                Containment          A05        Option B Testing. This change is to be applied to (Atmospheric,                                              Unit 2.
Subatmospheric, Ice Condenser, and Dual)                                        NRC approved A5 via letter dated 05/27/1997.
AMENDMENT:
TS Bases 3.6.1            TS Bases 3.6.1        R0        R10 revised the Unit 1 TS Bases to reflect Containment                Containment          R10 (A05)  changes to the Unit 1 TS approved by Unit 1 TS (Atmospheric,                                              A5 (Allow Appendix J, Option B Testing). This Subatmospheric, Ice                                        change is to be applied to Unit 2.
Condenser, and Dual)
NRC approved A5 via letter dated 05/27/1997.
AMENDMENT:
TS 3.6.2                  TS 3.6.2              A0        A5 amended the Unit 1 TS to Allow Appendix J, Containment Air Locks      Containment Air Locks A05        Option B Testing. This change is to be applied to (Atmospheric,                                              Unit 2.
Subatmospheric, Ice Condenser, and Dual)                                        NRC approved A5 via letter dated 05/27/1997.
AMENDMENT:
TS Bases 3.6.2            TS Bases 3.6.2        R0        R5 revised the Unit 1 TS Bases to clarify Containment Air Locks      Containment Air Locks R05        containment airlock door indication. This change (Atmospheric,                                    R10 (A05)  is to be applied to Unit 2.
Subatmospheric, Ice Condenser, and Dual)                                        R5 was provided to NRC via letter dated 02/09/1998.
R10 revised the Unit 1 TS Bases to reflect AMENDMENT:                      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.
Page 40 of 79


----------------------------------------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.
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE  APPROVAL                                    COMMENTS TS 3.6.3                TS 3.6.3              A0                A5 amended the Unit 1 TS to Allow Appendix J, Containment Isolation  Containment Isolation -----              Option B Testing. This change is to be applied to Valves (Atmospheric,    Valves                A05                Unit 2.
----------------------------------------
Subatmospheric, Ice                          ------------------
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.
Condenser, and Dual)                          ------------------ NRC approved A5 via letter dated 05/27/1997.
A79                --------------------------------------------------------------------
A79 amended the Unit 1 TS to allow administrative AMENDMENT:      B                      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.
TS Bases 3.6.3          TS Bases 3.6.3        R0                R8 revised the Unit 1 TS Bases to clarify actions Containment Isolation  Containment Isolation -----              related to administrative control of containment Valves (Atmospheric,    Valves                R08                isolation valves discussed in LC0 3.6.3. This Subatmospheric, Ice                          -----              change is to be applied to Unit 2.
Condenser, and Dual)                          R10 (A05)
                                              ------------------ R8 was provided to NRC via letter dated
                                              ------------------ 02/09/1998.
R98 (A79)          ----------------------------------------
AMENDMENT:      B                      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.
TS 3.6.4A              TS 3.6.4              A0                A59 amended the Unit 1 TS to support steam Containment Pressure    Containment Pressure  A59                generator replacement by allowing temporary use (Atmospheric, Dual, and                                          of penetrations in Shield Building Dome during Ice Condenser)                                                  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


----------------------------------------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.
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE  APPROVAL                            COMMENTS TS Bases 3.6.4A        TS Bases 3.6.4      R0        R29 revised the Unit 1 TS Bases to add notes to Containment Pressure    Containment Pressure R29        address instrument error in various parameters (Atmospheric, Dual, and                      R44 (A33)  shown in the Bases. This change is to be applied Ice Condenser)                              R55        to Unit 2.
--------------------------------------------------------------------
R71 (A59)
R76        R29 was provided to NRC via letter dated 03/27/2001.
AMENDMENT:                      ----------------------------------------
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.
TS 3.6.4B              XX                  XX        This Containment Pressure specification is not the Containment Pressure    XX                              one for Watts Bar.
(Subatmospheric)
AMENDMENT:
TS Bases 3.6.4B        XX                  XX        This Containment Pressure specification is not the Containment Pressure    XX                              one for Watts Bar.
(Subatmospheric)
AMENDMENT:
Page 42 of 79


--------------------------------------------------------------------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:
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE  APPROVAL                    COMMENTS TS 3.6.5A              XX                  XX        This Containment Air Temperature specification is Containment Air        XX                              not the one for Watts Bar.
BTS 3.6.6DQuench Spray (QS) System (Subatmospheric)
Temperature (Atmospheric and Dual)
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)
AMENDMENT:
XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS 3.6.6ERecirculation Spray (RS) System (Subatmospheric)
TS Bases 3.6.5A        XX                   XX         This Containment Air Temperature specification is Containment Air        XX                              not the one for Watts Bar.
XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS Bases 3.6.6ERecirculation Spray (RS) System    (Subatmospheric)
Temperature (Atmospheric and Dual)
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)
AMENDMENT:
A0---A55------------------
TS 3.6.5B              TS 3.6.5            A0 Containment Air        Containment Air Temperature (Ice      Temperature Condenser)
AMENDMENT:
TS Bases 3.6.5B        TS Bases 3.6.5      R0        R29 revised the Unit 1 TS Bases to add notes to Containment Air        Containment Air      R29        address instrument error in various parameters Temperature (Ice      Temperature                    shown in the Bases. This change is to be applied Condenser)                                             to Unit 2.
R29 was provided to NRC via letter dated 03/27/2001.
AMENDMENT:
TS 3.6.5C              XX                   XX         This Containment Air Temperature specification is Containment Air        XX                              not the one for Watts Bar.
Temperature (Subatmospheric)
AMENDMENT:
TS Bases 3.6.5C        XX                   XX         This Containment Air Temperature specification is Containment Air        XX                              not the one for Watts Bar.
Temperature (Subatmospheric)
AMENDMENT:
Page 43 of 79


------------------
Revision 0                WBN UNIT 2 STS / BASES                TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE          SUBSECTION / TITLE      APPROVAL                      COMMENTS TS 3.6.6A                    XX                      XX        This Containment Spray and Cooling Systems Containment Spray and        XX                                  specification is not the one for Watts Bar.
Cooling Systems (Atmospheric and Dual)
(Credit taken for iodine removal by the Containment Spray System)
AMENDMENT:
TS Bases 3.6.6A              XX                      XX        This Containment Spray and Cooling Systems Containment Spray and        XX                                  specification is not the one for Watts Bar.
Cooling Systems (Atmospheric and Dual)
(Credit taken for iodine removal by the Containment Spray System)
AMENDMENT:
TS 3.6.6B                    XX                      XX        This Containment Spray and Cooling Systems Containment Spray and        XX                                  specification is not the one for Watts Bar.
Cooling Systems (Atmospheric and Dual)
(Credit not taken for iodine removal by the Containment Spray System)
AMENDMENT:
TS Bases 3.6.6B              XX                      XX        This Containment Spray and Cooling Systems Containment Spray and        XX                                  specification is not the one for Watts Bar.
Cooling Systems (Atmospheric and Dual)
(Credit not taken for iodine removal by the Containment Spray System)
AMENDMENT:
TS 3.6.6C                    TS 3.6.6                A0 Containment Spray            Containment Spray System System (Ice Condenser)
AMENDMENT:
Page 44 of 79


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.
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE      APPROVAL                                    COMMENTS TS Bases 3.6.6C        TS Bases 3.6.6          R0                R44 revised the Unit 1 TS Bases to reflect Containment Spray      Containment Spray System -----              changes to the Unit 1 TS approved by Unit 1 TS System (Ice Condenser)                          R44 (A33)          A33 (Lower minimum average weight for ice
--------------------------------------------------------------------
                                                -----             baskets and overall weight per WCAP-15699).
--------------------------------------------------------------------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:
R55                This change per this revision revised the peak
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)
                                                -----             containment pressure. This value was later R76                corrected via R55, and then superseded by R76.
R0---
AMENDMENT:      B        -----
R61 (A40)---R68 (A55)
R83                NRC approved A33 via letter dated 11/29/2001.
------------------
R89 (A66)          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.
R100 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.
TS 3.6.6D              XX                      XX                This specification is not applicable to Watts Bar.
Quench Spray (QS)     XX System (Subatmospheric)
AMENDMENT:
Page 45 of 79


------------------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.
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE  APPROVAL                                    COMMENTS TS Bases 3.6.6D          XX                  XX                This specification is not applicable to Watts Bar.
----------------------------------------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.
Quench Spray (QS)        XX System (Subatmospheric)
--------------------------------------------------------------------
AMENDMENT:
TS 3.6.6E                XX                  XX                This specification is not applicable to Watts Bar.
Recirculation Spray (RS) XX System (Subatmospheric)
AMENDMENT:
TS Bases 3.6.6E          XX                  XX                This specification is not applicable to Watts Bar.
Recirculation Spray (RS) XX System (Subatmospheric)
AMENDMENT:
TS 3.6.8                TS 3.6.7            A0                A55 amended the Unit 1 TS to change Hydrogen Recombiners    Hydrogen Recombiners ---                requirements for Mode changes limitation in LCOs (Atmospheric,                                A55                and SRs. This change is to be applied to Unit 2.
Subatmospheric, Ice                          ------------------
Condenser, and Dual) (if                      ------------------ NRC approved A55 via letter dated 03/03/2005.
permanently installed)                        A72                --------------------------------------------------------------------
A72 TS deleted the Hydrogen Recombiners from the TS. This change is to be applied to Unit 2.
AMENDMENT:      B NRC approved A72 via letter dated 12/23/08.
Page 46 of 79


--------------------------------------------------------------------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:
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE  APPROVAL                                    COMMENTS TS Bases 3.6.8          TS Bases 3.6.7      R0                R61 revised the Unit 1 TS Bases to reflect Hydrogen Recombiners    Hydrogen Recombiners ---               changes to the Unit 1 TS approved by Unit 1 TS (Atmospheric,                                R61 (A40)          A40. The change to the TS Bases updated the Subatmospheric, Ice                          ---               hydrogen concentrations versus time frames. This Condenser, and Dual) (if                      R68 (A55)          change is to be applied to Unit 2.
BTS 3.6.9Hydrogen Mixing System    (Atmospheric, Ice Condenser, and Dual)
permanently installed)                        ------------------
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)
                                              ------------------ NRC approved A40 via letter dated 09/23/2002.
XX XX XXThis section is not contained in the Unit 1 TS / TS Bases.AMENDMENT:TS 3.6.10Hydrogen Ignition System (HIS)    (Ice Condenser)
R94 (A72)          ----------------------------------------
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)
R68 revised the Unit 1 TS Bases to reflect AMENDMENT:      B                      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.
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).
NRC approved A55 via letter dated 03/03/2005.
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)
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.
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)
NRC approved A72 via letter dated 12/23/2008.
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)
TS 3.6.9                XX                   XX                 This section is not contained in the Unit 1 TS / TS Hydrogen Mixing System  XX                                      Bases.
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)
(Atmospheric, Ice Condenser, and Dual)
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)
AMENDMENT:
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)
TS Bases 3.6.9          XX                   XX                 This section is not contained in the Unit 1 TS / TS Hydrogen Mixing System  XX                                      Bases.
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. 
(Atmospheric, Ice Condenser, and Dual)
AMENDMENT:
TS 3.6.10                TS 3.6.8            A0                A10 amended the Unit 1 TS for a one time Hydrogen Ignition System Hydrogen Mitigation  A10                exception to allow certain hydrogen igniters to be (HIS) (Ice Condenser)    System (HMS)                            inoperable for a limited time period. This change is NOT to be applied to Unit 2.
NRC approved A10 via letter dated 06/09/1998.
AMENDMENT:
TS Bases 3.6.10          TS Bases 3.6.8      R0                R16 revised the Unit 1 TS Bases to reflect Hydrogen Ignition System Hydrogen Mitigation  R16 (A10)          changes to the Unit 1 TS approved by Unit 1 TS (HIS) (Ice Condenser)    System (HMS)                            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


----------------------------------------
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE    APPROVAL                      COMMENTS TS 3.6.11                  XX                      XX        This section is not contained in the Unit 1 TS / TS Iodine Cleanup System      XX                                Bases.
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.  
(Atmospheric and Subatmospheric)
AMENDMENT:
TS Bases 3.6.11            XX                      XX        This section is not contained in the Unit 1 TS / TS Iodine Cleanup System      XX                                Bases.
(Atmospheric and Subatmospheric)
AMENDMENT:
TS 3.6.12                  XX                      XX        This section is not contained in the Unit 1 TS / TS Vacuum Relief Valves        XX                                Bases.
(Atmospheric and Ice Condenser)
AMENDMENT:
TS Bases 3.6.12            XX                      XX        This section is not contained in the Unit 1 TS / TS Vacuum Relief Valves        XX                                Bases.
(Atmospheric and Ice Condenser)
AMENDMENT:
TS 3.6.13                  TS 3.6.9                A0 Shield Building Air Cleanup Emergency Gas Treatment System (SBACS) (Dual        System (EGTS) and Ice Condenser)
AMENDMENT:
Page 48 of 79


----------------------------------------R71 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS  
Revision 0                WBN UNIT 2 STS / BASES              TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE          SUBSECTION / TITLE    APPROVAL                            COMMENTS TS Bases 3.6.13            TS Bases 3.6.9          R0        R15 revised the Unit 1 TS Bases to clarify EGTS Shield Building Air Cleanup Emergency Gas Treatment R15        logic testing.
System (SBACS) (Dual        System (EGTS)          R29 and Ice Condenser)                                  R71 (A59)  R15 was provided to NRC via letter dated R84        10/18/1999.
R85        ----------------------------------------
R29 revised the Unit 1 TS Bases to add notes to AMENDMENT:                        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.
TS 3.6.14                  TS 3.6.10              A0 Air Return System    (Ice  Air Return System (ARS)
Condenser)
AMENDMENT:
TS Bases 3.6.14            TS Bases 3.6.10        R0 Air Return System    (Ice  Air Return System (ARS)
Condenser)
AMENDMENT:
Page 49 of 79


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.
Revision 0                WBN UNIT 2 STS / BASES                TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE            SUBSECTION / TITLE  APPROVAL                            COMMENTS TS 3.6.15                    TS 3.6.11            A0        A2 amended the Unit 1 TS to revise the frequency Ice Bed      (Ice Condenser) Ice Bed              A02        of SRs in 3.6.11 to coincide with outages. This A22        change is to be applied to Unit 2.
----------------------------------------
A25 A33        NRC approved A2 via letter dated 06/13/1996.
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.
A62        ----------------------------------------
A22 amended the Unit 1 TS to change SR AMENDMENT:                      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.
Page 50 of 79


----------------------------------------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)
Revision 0                WBN UNIT 2 STS / BASES                TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE            SUBSECTION / TITLE  APPROVAL                            COMMENTS TS Bases 3.6.15              TS Bases 3.6.11      R0        R4 revised the Unit 1 TS Bases to reflect changes Ice Bed       (Ice Condenser) Ice Bed              R04 (A02)  to the Unit 1 TS approved by Unit 1 TS A2 (revise R21        the frequency of SRs in 3.6.11 to coincide with R29        outages.) This change is to be applied to Unit 2.
A0TS 3.6.10Air Return System (ARS)AMENDMENT:TS Bases 3.6.14 Air Return System    (Ice Condenser)
R36 (A22 &
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)
A25)      NRC approved A2 via letter dated 06/13/1996.
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.
R44 (A33)  ----------------------------------------
----------------------------------------
AMENDMENT:            R81 (A62)  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.
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.
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.
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.
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.
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.
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).
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)
This change is to be applied to Unit 2.
R0R04 (A02)
NRC approved A33 via letter dated 11/29/2001.
R21R29R36 (A22 &
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 -
A25)
increased minimum ice weight and total weight of stored ice.) This changes will NOT be applied to Unit 2.
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.
NRC approved A62 via letter dated 07/25/2006.
----------------------------------------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.
TS 3.6.16                    TS 3.6.12            A0        A3 amended the Unit 1 TS to allow a one time Ice Condenser Doors          Ice Condenser Doors  A03        extension of the 3 month surveillance requirement (Ice Condenser)                                                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


----------------------------------------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.
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE      APPROVAL                            COMMENTS TS Bases 3.6.16          TS Bases 3.6.12          R0        R6 revised the Unit 1 TS Bases to reflect changes Ice Condenser Doors      Ice Condenser Doors      R06 (A03)  to the Unit 1 TS approved by Unit 1 TS A3 (allow a (Ice Condenser)                                    R21        one time extension of the 3 month surveillance R36 (A25)  requirement for the ice condenser lower inlet doors). This change will NOT be applied to Unit 2.
----------------------------------------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.
NRC approved A3 via letter date 09/09/1996.
----------------------------------------
AMENDMENT:                          ----------------------------------------
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).
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.
This change is to be applied to Unit 2.NRC approved A33 via letter dated 11/29/2001.
R21 was provided to NRC via letter dated 10/18/1999.
----------------------------------------R81 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS  
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.
TS 3.6.17                TS 3.6.13                A0 Divider Barrier Integrity Divider Barrier Integrity (Ice Condenser)
AMENDMENT:
TS Bases 3.6.17          TS Bases 3.6.13          R0 Divider Barrier Integrity Divider Barrier Integrity (Ice Condenser)
AMENDMENT:
TS 3.6.18                TS 3.6.14                A0 Containment Recirculation Containment Recirculation Drains (Ice Condenser)    Drains AMENDMENT:
TS Bases 3.6.18          TS Bases 3.6.14          R0 Containment Recirculation Containment Recirculation Drains (Ice Condenser)    Drains AMENDMENT:
Page 52 of 79


A62 (support steam generator replacement  -
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE      APPROVAL                            COMMENTS TS 3.6.19                TS 3.6.15                A0        A59 amended the Unit 1 TS to support steam Shield Building          Shield Building          A59        generator replacement by allowing temporary use (Dual and Ice Condenser)                                    of penetrations in Shield Building Dome during Modes 1-4. This change will NOT be applied to Unit 2.
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)
NRC approved A59 via letter dated 01/06/2006.
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)
AMENDMENT:
R0R06 (A03)
TS Bases 3.6.19          TS Bases 3.6.15          R0        R29 revised the Unit 1 TS Bases to add notes to Shield Building          Shield Building          R29        address instrument error in various parameters (Dual and Ice Condenser)                          R71 (A59)  shown in the Bases. This change is to be applied R84        to Unit 2.
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.
R85 R29 was provided to NRC via letter dated 03/27/2001.
----------------------------------------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.
AMENDMENT:                          ----------------------------------------
----------------------------------------
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.
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)
NRC approved A59 via letter dated 01/06/2006.
A0TS 3.6.13Divider Barrier IntegrityAMENDMENT:TS Bases 3.6.17 Divider Barrier Integrity    (Ice Condenser)
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.
R0TS Bases 3.6.13Divider Barrier IntegrityAMENDMENT:TS 3.6.18 Containment Recirculation Drains    (Ice Condenser)
R84 was provided to NRC via letter dated 05/23/2007.
A0TS 3.6.14Containment Recirculation DrainsAMENDMENT:TS Bases 3.6.18Containment Recirculation Drains    (Ice Condenser)
R85 revised the Unit 1 TS Bases to clarify operation of the EGTS. This change is to be applied to Unit 2.
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)
R85 was provided to NRC via letter dated 05/23/2007.
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)
TS 3.7.1                TS 3.7.1                A0         A19 amended the Unit 1 TS (3.7.1) to provide a Main Steam Safety Valves Main Steam Safety Valves A19        new requirement to reduce the power range (MSSVs)                  (MSSVs)                  A31        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.
R0R29R71 (A59)
AMENDMENT:                          NRC approved A19 via letter dated 03/07/2000.
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.  
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.
Page 53 of 79


----------------------------------------R71 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS  
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE      APPROVAL                            COMMENTS TS Bases 3.7.1            TS Bases 3.7.1          R0        R31 revised the Unit 1 TS Bases to reflect Main Steam Safety Valves  Main Steam Safety Valves R31 (A19)  changes to the Unit 1 TS approved by Unit 1 TS (MSSVs)                  (MSSVs)                  R41 (A31)  A19 (3.7.1: provide a new requirement to reduce R89 (A66)  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.
AMENDMENT:
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.
TS 3.7.2                  TS 3.7.2                A0 Main Steam Isolation      Main Steam Isolation Valves (MSIVs)            Valves (MSIVs)
AMENDMENT:
TS Bases 3.7.2            TS Bases 3.7.2          R0        R89 revised the Unit 1 TS Bases to reflect Main Steam Isolation      Main Steam Isolation    R89 (A66)  changes to the Unit 1 TS approved by Unit 1 TS Valves (MSIVs)            Valves (MSIVs)                      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 AMENDMENT:                          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 3.7.3                  TS 3.7.3                A0 Main Feedwater Isolation  Main Feedwater Isolation Valves (MFIVs) and Main  Valves (MFIVs) and Main Feedwater Regulation      Feedwater Regulation Valves (MFRVs) [and      Valves (MFRVs) and Associated Bypass Valves] Associated Bypass Valves AMENDMENT:
Page 54 of 79


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.
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE      APPROVAL                            COMMENTS TS Bases 3.7.3            TS Bases 3.7.3          R0        R76 revised the Unit 1 TS Bases (the change per Main Feedwater Isolation  Main Feedwater Isolation R76        this revision that is applicable to this TS Bases Valves (MFIVs) and Main  Valves (MFIVs) and Main  R89 (A66)  portion was the elimination of feedwater tempering Feedwater Regulation      Feedwater Regulation                flow; this was part of steam generator Valves (MFRVs) [and      Valves (MFRVs) and                  replacement). This change will NOT be applied to Associated Bypass Valves] Associated Bypass Valves            Unit 2.
----------------------------------------
R76 was provided to NRC via letter dated 05/23/2007.
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.
AMENDMENT:                          ----------------------------------------
R89 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS A66 ( replace references to ASME Section XI with the ASME Operation and Maintenance Code for IST activities, and removes reference to "applicable supports" from the IST program. Also changes the applicability of SR 3.0.2 provisions to other normal and accelerated frequencies specified as two years or less in the IST program.). This change is to be applied to Unit 2.
NRC approved A66 via letter dated 12/18/2006.
TS 3.7.4                  TS 3.7.4                A0        A16 amended the Unit 1 TS to address condition Atmospheric Dump Valves  Atmospheric Dump Valves  A16        when 2 ADVs are inoperable due to safety-related (ADVs)                    (ADVs)                  A55        air train taken out of service. This change is to be applied to Unit 2.
NRC approved A16 via letter dated 12/17/1998.
AMENDMENT:                          ------------------------------
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.
TS Bases 3.7.4            TS Bases 3.7.4          R0        R24 revised the Unit 1 TS Bases to reflect Atmospheric Dump Valves  Atmospheric Dump Valves  R24 (A16)  changes to the Unit 1 TS approved by Unit 1 TS (ADVs)                    (ADVs)                  R68 (A55)  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 AMENDMENT:                          .----------------------------------------
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.
Page 55 of 79


----------------------------------------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.
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE      APPROVAL                            COMMENTS TS 3.7.5                  TS 3.7.5                  A0        A13 amended the Unit 1 TS to clarify the intent of Auxiliary Feedwater (AFW) Auxiliary Feedwater (AFW) A13        the surveillance testing requirements for the System                    System                    A55        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.
----------------------------------------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)
AMENDMENT:                          NRC approved A13 via letter dated 10/26/1998.
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.
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.
----------------------------------------R41 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by A31
NRC approved A55 via letter dated 03/03/2005.
{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.
TS Bases 3.7.5            TS Bases 3.7.5            R0        R20 revised the Unit 1 TS Bases to reflect Auxiliary Feedwater (AFW) Auxiliary Feedwater (AFW) R20 (A13)  changes to the Unit 1 TS approved by Unit 1 TS System                    System                    R68 (A55) A13 (clarify the intent of the surveillance testing R89 (A66)  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.
----------------------------------------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)
AMENDMENT:
A0TS 3.7.2Main Steam Isolation Valves (MSIVs)AMENDMENT:TS Bases 3.7.2Main Steam Isolation Valves (MSIVs)
NRC approved A13 via letter dated 10/26/1998.
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]
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.
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]
NRC approved A55 via letter dated 03/03/2005.
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.
TS 3.7.6                  TS 3.7.6                  A0 Condensate Storage Tank  Condensate Storage Tank (CST)                     (CST)
AMENDMENT:
Page 56 of 79


----------------------------------------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.
Revision 0           WBN UNIT 2 STS / BASES            TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE    APPROVAL                            COMMENTS TS Bases 3.7.6          TS Bases 3.7.6          R0        R29 revised the Unit 1 TS Bases to add notes to Condensate Storage Tank Condensate Storage Tank R29        address instrument error in various parameters (CST)                   (CST)                   R41 (A31) shown in the Bases. This change is to be applied to Unit 2.
------------------------------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.----------------------------------------
R29 was provided to NRC via letter dated 03/27/2001.
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.
AMENDMENT:                          ----------------------------------------
------------------------------
R41 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by A31
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)
{approve Power Uprate using Leading Edge Flow Meter (LEFM) for Unit 1}. This change will NOT be implemented on Unit 2 at this time.
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.
NRC approved A31 via letter dated 01/19/2001.
----------------------------------------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.
TS 3.7.7                TS 3.7.7                A0 Component Cooling Water Component Cooling (CCW) System             System (CCS)
----------------------------------------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.
AMENDMENT:
----------------------------------------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)
TS Bases 3.7.7          TS Bases 3.7.7          R0 Component Cooling Water Component Cooling (CCW) System             System (CCS)
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)
AMENDMENT:
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)
TS 3.7.8                TS 3.7.8                A0        A69 amended the Unit 1 TS was a ONE time Service Water System    Essential Raw Cooling    A69        change to address ERCW pumps A-1 and B-1 (SWS)                    Water (ERCW) System                being inoperable. This change will NOT be applied to Unit 2.
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.
NRC approved A69 via letter dated 07/24/2008.
----------------------------------------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)
AMENDMENT:
R0R45 (A35)
TS Bases 3.7.8          TS Bases 3.7.8          R0 Service Water System    Essential Raw Cooling (SWS)                    Water (ERCW) System AMENDMENT:
R64 (A50)
TS 3.7.9                TS 3.7.9                A0 Ultimate Heat Sink (UHS) Ultimate Heat Sink (UHS)
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
AMENDMENT:
Page 57 of 79


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.
Revision 0              WBN UNIT 2 STS / BASES            TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE    APPROVAL                            COMMENTS TS Bases 3.7.9            TS Bases 3.7.9          R0        R29 revised the Unit 1 TS Bases to add notes to Ultimate Heat Sink (UHS)  Ultimate Heat Sink (UHS) R29        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.
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 3.7.10                TS 3.7.10                A0        A35 amended the Unit 1 TS to eliminate ESF Control Room Emergency    Control Room Emergency  A35        operability requirements that do not involve the Filtration System (CREFS) Ventilation System      A70        movement of irradiated fuel during core alterations (CREVS)                            (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:                          ----------------------------------------
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 Bases 3.7.10          TS Bases 3.7.10          R0        R45 revised the Unit 1 TS Bases to reflect Control Room Emergency    Control Room Emergency  R45 (A35)  changes to the Unit 1 TS approved by Unit 1 TS Filtration System (CREFS) Ventilation System      R64 (A50)  A35 (Eliminate ESF operability requirements that (CREVS)                  R91 (A70)  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.
AMENDMENT:                          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:
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)
Control Room Envelope Habitability.). This change is to be applied to Unit 2.
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)
NRC approved A70 via letter dated 10/08/2008.
R0R45 (A35)
TS 3.7.11                TS 3.7.11                A0        A35 amended the Unit 1 TS to eliminate ESF Control Room Emergency    Control Room Emergency  A35        operability requirements that do not involve the Air Temperature Control  Air Temperature Control            movement of irradiated fuel during core alterations System (CREATCS)          System (CREATCS)                    (part of TSTF-51, Revision 2). This change is to be applied to Unit 2.
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
NRC approved A35 via letter dated 01/22/2002.
AMENDMENT:
Page 58 of 79


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.
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE    APPROVAL                            COMMENTS TS Bases 3.7.11          TS Bases 3.7.11          R0        R45 revised the Unit 1 TS Bases to reflect Control Room Emergency    Control Room Emergency  R45 (A35)  changes to the Unit 1 TS approved by Unit 1 TS Air Temperature Control  Air Temperature Control  R64 (A50)  A35 (Eliminate ESF operability requirements that System (CREATCS)          System (CREATCS)                    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.
----------------------------------------
AMENDMENT:                          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)
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.
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)
NRC approved A50 via letter dated 02/12/2004.
XX XX XXThis specification is not applicable to Watts Bar.AMENDMENT:TS 3.7.13Fuel Building Air Cleanup System (FBACS)
TS 3.7.12                XX                      XX        This specification is not applicable to Watts Bar.
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)
Emergency Core Cooling   XX System (ECCS) Pump Room Exhaust Air Cleanup System (PREACS)
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.
AMENDMENT:
----------------------------------------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.
TS Bases 3.7.12          XX                       XX         This specification is not applicable to Watts Bar.
Emergency Core Cooling   XX System (ECCS) Pump Room Exhaust Air Cleanup System (PREACS)
AMENDMENT:
TS 3.7.13                TS 3.7.12                A0 Fuel Building Air Cleanup Auxiliary Building Gas System (FBACS)           Treatment System (ABGTS)
AMENDMENT:
Page 59 of 79


----------------------------------------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.
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE    APPROVAL                            COMMENTS TS Bases 3.7.13          TS Bases 3.7.12          R0        R29 revised the Unit 1 TS Bases to add notes to Fuel Building Air Cleanup Auxiliary Building Gas  R29        address instrument error in various parameters System (FBACS)            Treatment System (ABGTS) R35        shown in the Bases. This change is to be applied R55        to Unit 2.
----------------------------------------
R87 R29 was provided to NRC via letter dated 03/27/2001.
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.
AMENDMENT:                          ----------------------------------------
----------------------------
R35 revised the Unit 1 TS Bases to clarify ABGTS surveillance. This change is to be applied to Unit 2.
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.
R35 was provided to the NRC via letter dated 03/27/2001.
----------------------------------------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.
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.
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-----
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.
A12-----A30
R87 was provided to the NRC via letter dated 09/22/2008.
-----
TS 3.7.14                XX                       XX         This specification is not applicable to Watts Bar.
A39-----A55
Penetration Room Exhaust XX Air Cleanup System (PREACS)
------------------
AMENDMENT:
------------------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 hour endurance run. This change is to be applied to Unit 2.NRC approved A12 via letter dated 10/19/1998.
TS Bases 3.7.14          XX                      XX        This specification is not applicable to Watts Bar.
----------------------------------------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 hours 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.
Penetration Room Exhaust XX Air Cleanup System (PREACS)
----------------------------------------
AMENDMENT:
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 hours to 14 days. This change will NOT be applied to Unit 2.NRC approved A39 via letter dated 07/01/2002.
TS 3.7.15                TS 3.7.13                A0 Fuel Storage Pool Water  Fuel Storage Pool Water Level                    Level AMENDMENT:
----------------------------------------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.
Page 60 of 79
--------------------------------------------------------------------


--------------------------------------------------------------------A request was submitted to the NRC via letter dated 11/30/2009 to change the AOT from "14 days" to "72 hours."  This change was made to Unit 2 TS in revision A. This information is being provided for continuity purpose.AMENDMENT:
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE    APPROVAL                            COMMENTS TS Bases 3.7.15        TS Bases 3.7.13        R0 Fuel Storage Pool Water Fuel Storage Pool Water Level                  Level AMENDMENT:
BPage 63 of 79 WBN UNIT 2 TS / TS BASESSUBSECTION / TITLEWBN UNIT 1APPROVALCOMMENTSRevision 0STS / BASESSUBSECTION / TITLETS Bases 3.8.1AC Sources - Operating R0-----
TS 3.7.16              TS 3.9.9                A0 Fuel Storage Pool Boron Spent Fuel Pool Boron Concentration          Concentration AMENDMENT:
R19 (A12)-----R50 (A39)
TS Bases 3.7.16        TS Bases 3.9.9          R0        R11 revised the Unit 1 TS Bases to reflect Fuel Storage Pool Boron Spent Fuel Pool Boron  R11 (A06)  changes to the Unit 1 TS approved by Unit 1 TS Concentration          Concentration          R86        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.
-----
AMENDMENT:
R63-----R65
NRC approved A6 via letter dated 07/28/1997.
-----R68 (A55)------------------
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.
TS 3.7.17              TS 3.7.15              A06        A6 amended the Unit 1 TS to increase the spent Spent Fuel Assembly    Spent Fuel Assembly    A40        fuel storage capacity; included in this Amendment Storage                Storage                            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.
AMENDMENT:                         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.
Page 61 of 79


------------------
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE        APPROVAL                            COMMENTS TS Bases 3.7.17            TS Bases 3.7.15            R11 (A06)  R11 revised the Unit 1 TS Bases to reflect Spent Fuel Assembly        Spent Fuel Assembly        R61 (A40)  changes to the Unit 1 TS approved by Unit 1 TS Storage                    Storage                                A6 (Amended the Unit 1 TS to increase the spent fuel storage capacity; included in this Amendment was the addition of TS LCO 3.7.15.). This change is to be applied to Unit 2.
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 hour endurance run). This change is to be applied to Unit 2.NRC approved A12 via letter dated 10/19/1998.
AMENDMENT:                            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.}.
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 hours to 14 days). This change will NOT be applied to Unit 2.NRC approved A39 via letter dated 07/01/2002.
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.
----------------------------------------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.
NRC approved A40 via letter dated 09/23/2002.
----------------------------------------
TS 3.7.18                  TS 3.7.14                  A0 Secondary Specific Activity Secondary Specific Activity AMENDMENT:
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
TS Bases 3.7.18            TS Bases 3.7.14            R0        R47 revised the Unit 1 TS Bases to reflect Secondary Specific Activity Secondary Specific Activity R47 (A38)  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


2.R65 was provided to NRC via letter dated 04/20/2004.
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE    APPROVAL                                    COMMENTS TS 3.8.1              TS 3.8.1              A0                A12 amended the Unit 1 TS to allow online testing AC Sources - Operating AC Sources - Operating -----             of diesel generator batteries and performance of A12                diesel generator 24 hour endurance run. This
----------------------------------------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.
                                              -----             change is to be applied to Unit 2.
--------------------------------------------------------------------
A30
--------------------------------------------------------------------
                                              -----              NRC approved A12 via letter dated 10/19/1998.
A request was submitted to the NRC via letter dated 11/30/2009 to change the AOT from "14 days" to "72 hours." This change was made to Unit 2 TS in revision A. This information is being provided for continuity purpose.AMENDMENT:
A39                ----------------------------------------
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.
AMENDMENT:      B      -----             A30 amended the Unit 1 TS to extend (on a one A55                time basis) the Action Completion Time for diesel
                                              ------------------ generator 1 B B from 72 hours to 10 days in order
                                              ------------------ to allow the replacement of the diesel's electric AXX                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 hours 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 hours." This change was made to Unit 2 TS in revision A.
This information is being provided for continuity purpose.
Page 63 of 79


----------------------------------------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 hour endurance run. This change is to be applied to Unit 2.NRC approved A12 via letter dated 10/19/1998.
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE    APPROVAL                                    COMMENTS TS Bases 3.8.1        TS Bases 3.8.1        R0                R19 revised the Unit 1 TS Bases to reflect AC Sources - Operating AC Sources - Operating -----              changes to the Unit 1 TS approved by Unit 1 TS R19 (A12)          A12 (allow online testing of diesel generator
----------------------------------------
                                              -----              batteries and performance of diesel generator 24 R50 (A39)          hour endurance run). This change is to be
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)
                                              -----              applied to Unit 2.
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 hour endurance run). This change is to be applied to Unit 2.NRC approved A12 via letter dated 10/19/1998.
R63 AMENDMENT:      B      -----              NRC approved A12 via letter dated 10/19/1998.
----------------------------------------
R65                ----------------------------------------
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.
                                              -----             R50 revised the Unit 1 TS Bases to reflect R68 (A55)          changes to the Unit 1 TS approved by Unit 1 TS
----------------------------------------
                                              ------------------ A39 (revise LCO 3.8.1's allowed outage time to
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.
                                              ------------------ restore an inoperable emergency diesel generator RXX (AXX)          to operable status from 72 hours 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 hours." This change was made to Unit 2 TS in revision A.
This information is being provided for continuity purpose.
TS 3.8.2              TS 3.8.2              A0 AC Sources - Shutdown  AC Sources - Shutdown AMENDMENT:
Page 64 of 79


----------------------------------------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.)
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES        WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE      APPROVAL                            COMMENTS TS Bases 3.8.2            TS Bases 3.8.2            R0 AC Sources - Shutdown      AC Sources - Shutdown AMENDMENT:
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
TS 3.8.3                  TS 3.8.3                  A0 Diesel Fuel Oil, Lube Oil, Diesel Fuel Oil, Lube Oil, and Starting Air          and Starting Air AMENDMENT:
------------------
TS Bases 3.8.3            TS Bases 3.8.3            R0        R29 revised the Unit 1 TS Bases to add notes to Diesel Fuel Oil, Lube Oil, Diesel Fuel Oil, Lube Oil, R29        address instrument error in various parameters and Starting Air          and Starting Air          R55        shown in the Bases. This change is to be applied to Unit 2.
------------------
R29 was provided to NRC via letter dated 03/27/2001.
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: 
AMENDMENT:                            ----------------------------------------
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.
TS 3.8.4                  TS 3.8.4                  A0        A12 amended the Unit 1 TS to allow online testing DC Sources - Operating    DC Sources - Operating    A12        of diesel generator batteries and performance of A54        diesel generator 24 hour endurance run. This change is to be applied to Unit 2.
NRC approved A12 via letter dated 10/19/1998.
AMENDMENT:                            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.
Page 65 of 79


A76 later changed this.]NRC approved A45 via letter dated 09/08/2003.
Revision 0            WBN UNIT 2 STS / BASES          TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE    APPROVAL                            COMMENTS TS Bases 3.8.4          TS Bases 3.8.4          R0        R19 revised the Unit 1 TS Bases to reflect DC Sources - Operating  DC Sources - Operating  R19 (A12)  changes to the Unit 1 TS approved by Unit 1 TS R56        A12 (allow online testing of diesel generator R66        batteries and performance of diesel generator 24 R69 (A54)  hour endurance run). This change is to be applied to Unit 2.
--------------------------------------------------------------------
AMENDMENT:                        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.
TS 3.8.5                TS 3.8.5                A0 DC Sources - Shutdown  DC Sources - Shutdown AMENDMENT:
TS Bases 3.8.5          TS Bases 3.8.5          R0 DC Sources - Shutdown  DC Sources - Shutdown AMENDMENT:
TS 3.8.6                TS 3.8.6                A0 Battery Cell Parameters Battery Cell Parameters AMENDMENT:
Page 66 of 79


--------------------------------------------------------------------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:
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE    APPROVAL                                    COMMENTS TS Bases 3.8.6          TS Bases 3.8.6          R0 Battery Cell Parameters Battery Cell Parameters AMENDMENT:
BTS Bases 3.8.7Inverters - Operating R0-----
TS 3.8.7                TS 3.8.7                A0                A45 amended the Unit 1 TS to require only one Inverters - Operating  Inverters - Operating  -----              inverter for each of the four instrument channels.
R58 (A45)
A45                This change is to be applied to Unit 2. [NOTE:
-----R67-----
                                                ------------------ A76 later changed this.]
R75 (A45)-----R76 (A45)
A76                NRC approved A45 via letter dated 09/08/2003.
-----R77 (A45)-----
AMENDMENT:        B                        --------------------------------------------------------------------
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.
TS Bases 3.8.7          TS Bases 3.8.7          R0                R58 revised the Unit 1 TS Bases to reflect Inverters - Operating  Inverters - Operating   -----             changes to the Unit 1 TS approved by Unit 1 TS R58 (A45)         A45 (require only one inverter for each of the four
                                                -----             instrument channels). This change is to be applied R67               to Unit 2.
R75 (A45)          NRC approved A45 via letter dated 09/08/2003.
AMENDMENT:        B    -----              ----------------------------------------
R76 (A45)         R67 revised the Unit 1 TS Bases to incorporate
                                                -----             changes to the Vital Inverters (DCN 51370). Refer R77 (A45)         to changes for R58 (A45). This change is to be
                                                -----             applied to Unit 2.
R78 (A45)
R78 (A45)
-----------------
                                                ----------------- R67 was provided to NRC via letter dated
-----------------        (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.
                                                ----------------- 09/16/2005.
----------------------------------------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.
(A76)      ----------------------------------------
----------------------------------------
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.
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.
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.
--------------------------------------------------------------------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:
NRC approved A76 via letter dated 03/24/2009.
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)
Page 67 of 79
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.
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE  APPROVAL                            COMMENTS TS 3.8.8              TS 3.8.8              A0 Inverters - Shutdown  Inverters - Shutdown AMENDMENT:
----------------------------------------
TS Bases 3.8.8        TS Bases 3.8.8        R0        R58 revised the Unit 1 TS Bases to reflect Inverters - Shutdown  Inverters - Shutdown  R58 (A45) changes to the Unit 1 TS approved by Unit 1 TS R67        A45 (require only one inverter for each of the four R75 (A45)  instrument channels). This change is to be applied R76 (A45)  to Unit 2.
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)
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.
R78 (A45) 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.
AMENDMENT:                        ----------------------------------------
----------------------------------------
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.
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
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.
TS 3.8.9              TS 3.8.9              A0 Distribution Systems - Distribution Systems -
Operating              Operating AMENDMENT:
Page 68 of 79


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.
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE  APPROVAL                            COMMENTS TS Bases 3.8.9         TS Bases 3.8.9         R0        R33 revised the Unit 1 TS Bases to identify four Distribution Systems - Distribution Systems - R33        distribution boards primarily used for operational Operating              Operating              R67        convenience. This change is to be applied to Unit R75 (A45)  2.
----------------------------------------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)
R76 (A45)
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.
R77 (A45)  R33 was provided to NRC via letter dated R78 (A45)  03/27/2001.
----------------------------------------R45 revised the Unit 1 TS Bases to reflect changes to the Unit 1 TS approved by Unit 1 TS  
AMENDMENT:                        ----------------------------------------
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.
TS 3.8.10              TS 3.8.10              A0 Distribution Systems - Distribution Systems -
Operating              Operating AMENDMENT:
TS Bases 3.8.10        TS Bases 3.8.10        R0 Distribution Systems - Distribution Systems -
Shutdown              Shutdown AMENDMENT:
TS 3.9.1              TS 3.9.1              A0        A55 amended the Unit 1 TS to change Boron Concentration    Boron Concentration    A55        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.
AMENDMENT:                        NRC approved A55 via letter dated 03/03/2005.
TS Bases 3.9.1        TS Bases 3.9.1        R0        R68 revised the Unit 1 TS Bases to reflect Boron Concentration    Boron Concentration    R68 (A55)  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 AMENDMENT:                        2.
NRC approved A55 via letter dated 03/03/2005.
Page 69 of 79


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.
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE    APPROVAL                            COMMENTS TS 3.9.2                TS 3.9.2                A0        A55 amended the Unit 1 TS to change Unborated Water Source  Unborated Water Source  A55        requirements for Mode changes limitation in LCOs Isolation Valves        Isolation Valves                    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.
----------------------------------------
AMENDMENT:                          NRC approved A55 via letter dated 03/03/2005.
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.
TS Bases 3.9.2          TS Bases 3.9.2          R0        R68 revised the Unit 1 TS Bases to reflect Unborated Water Source  Unborated Water Source  R68 (A55)  changes to TS approved by Unit 1 TS A55 (change Isolation Valves        Isolation Valves                    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 AMENDMENT:                          2.
----------------------------------------R73 revised the Unit 1 TS Bases to clarify that penetration flow paths through containment to the
NRC approved A55 via letter dated 03/03/2005.
TS 3.9.3                TS 3.9.3                A0 Nuclear Instrumentation  Nuclear Instrumentation AMENDMENT:
TS Bases 3.9.3          TS Bases 3.9.3          R0 Nuclear Instrumentation  Nuclear Instrumentation AMENDMENT:
TS 3.9.4                TS 3.9.4                A0        A26 amended the Unit 1 TS to allow containment Containment Penetrations Containment Penetrations A26        personnel airlock and certain containment A35        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.
AMENDMENT:                          ----------------------------------------
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.
Page 70 of 79


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.
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE    APPROVAL                            COMMENTS TS Bases 3.9.4          TS Bases 3.9.4          R0        R37 revised the Unit 1 TS Bases to reflect Containment Penetrations Containment Penetrations R37 (A26)  changes to the Unit 1 TS approved by Unit 1 TS R45 (A35)  A26 (Allow containment personnel airlock and R46        certain containment penetrations to remain open R73        during refueling outage under appropriate R74        administrative controls.). This change is to be applied to Unit 2.
----------------------------------------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)
AMENDMENT:
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
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.
TS 3.9.5                TS 3.9.5                A0 Residual Heat Removal   Residual Heat Removal (RHR) and Coolant       (RHR) and Coolant Circulation - High Water Circulation - High Water Level                   Level AMENDMENT:
Page 71 of 79


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.
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE    APPROVAL                            COMMENTS TS Bases 3.9.5          TS Bases 3.9.5          R0        R23 revised the Unit 1 TS Bases to address RHR Residual Heat Removal    Residual Heat Removal    R23        pump alignment for refueling operations. This (RHR) and Coolant        (RHR) and Coolant                  change is to be applied to Unit 2.
----------------------------------------
Circulation - High Water Circulation - High Water Level                    Level                              R23 was provided to NRC via letter dated 10/18/1999.
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
AMENDMENT:
-----A40-----
TS 3.9.6                TS 3.9.6                A0        A55 amended the Unit 1 TS to change Residual Heat Removal    Residual Heat Removal    A55        requirements for Mode changes limitation in LCOs (RHR) and Coolant        (RHR) and Coolant                  and SRs. This change is to be applied to Unit 2.
A48
Circulation - Low Water  Circulation - Low Water Level                    Level                              NRC approved A55 via letter dated 03/03/2005.
-----A67------------------
AMENDMENT:
TS Bases 3.9.6          TS Bases 3.9.6          R0        R68 revised the Unit 1 TS Bases to reflect Residual Heat Removal    Residual Heat Removal    R68 (A55)  changes to TS approved by Unit 1 TS A55 (change (RHR) and Coolant        (RHR) and Coolant                  requirements for Mode changes limitation in LCOs Circulation - Low Water  Circulation - Low Water            and SRs). This change is NOT needed for Unit 2; Level                    Level                              the revision made the Unit 1 TS Bases agree with R0 of the STS Bases.
NRC approved A55 via letter dated 03/03/2005.
AMENDMENT:
TS 3.9.7                TS 3.9.7                A0        A35 amended the Unit 1 TS to eliminate ESF Refueling Cavity Water  Refueling Cavity Water  A35        operability requirements that do not involve the Level                    Level                              movement of irradiated fuel during core alterations (part of TSTF-51, Revision 2). This change is to be applied to Unit 2.
NRC approved A35 via letter dated 01/22/2002.
AMENDMENT:
TS Bases 3.9.7          TS Bases 3.9.7          R0        R45 revised the Unit 1 TS Bases to reflect Refueling Cavity Water  Refueling Cavity Water  R45 (A35)  changes to the Unit 1 TS approved by Unit 1 TS Level                    Level                    R55        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.
AMENDMENT:                          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.
Page 72 of 79


------------------
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE  APPROVAL                                    COMMENTS TS 4.1                TS 4.1                A0                A6 amended the Unit 1 TS to increase the spent Site                  Site                  A06                fuel storage capacity. This change is to be applied to Unit 2.
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.
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 remainder of the changes approved by A40 will be applied to Unit 2.NRC approved A40 via letter dated 09/23/2002.
AMENDMENT:
----------------------------------------
TS 4.2                TS 4.2                A0                A8 amended the Unit 1 TS to provide for insertion Reactor Core          Reactor Core          -----              of Lead Test Assemblies containing Tritium A08                Producing Burnable Absorber Rods (TPBARs)
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.  
                                            -----              during Cycle 2. TPBARS will NOT be used on Unit A40                2.
----------------------------------------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.
A48                NRC approved A8 via letter dated 09/15/1997.
--------------------------------------------------------------------
AMENDMENT:      B    -----             ----------------------------------------
--------------------------------------------------------------------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:
A67                A40 amended the Unit 1 TS to allow Watts Bar to
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.
                                            ------------------ irradiate up to 2304 Tritium Producing Burnable
----------------------------------------
                                            ------------------ Absorber Rods (TPBARs) in the reactor core each A77                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.
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.
NRC approved A40 via letter dated 09/23/2002.
----------------------------------------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-----
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.
A04
NRC approved A48 via letter dated 10/08/2003.
-----A49------------------
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.
Page 73 of 79


------------------
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE  APPROVAL                                    COMMENTS TS 4.3                TS 4.3              A0                A6 amended the Unit 1 TS to increase the spent Fuel Storage          Fuel Storage        A06                fuel storage capacity. This change is to be applied A15                to Unit 2.
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.
A40 NRC approved A6 via letter dated 07/28/1997.
----------------------------------------
A15 amended the Unit 1 TS to allow Changes in %
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  
AMENDMENT:                              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.
TS 5.1                TS 5.1              A0                A49 amended the Unit 1 TS to incorporate TS Responsibility        Responsibility      A49                Task Force (TSTF) Travelers 258, R4; 299, R0; and 308, R1. This change is to be applied to Unit 2.
NRC approved A49 via letter dated 11/13/2003.
AMENDMENT:
TS 5.2                TS 5.2              A0                A4 amended the Unit 1 TS to modify Operations Organization          Organization        -----              Manager Requirements (no longer requires the A04                Operations Manager to hold or have held an SRO;
                                          -----              revises the TS to indicate that the Operations A49                Superintendent will hold an SRO license) This
                                          ------------------ change is to be applied to Unit 2.
AMENDMENT:      B    A83                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.
Page 74 of 79


2.NRC approved A49 via letter dated 11/13/2003.
Revision 0              WBN UNIT 2 STS / BASES              TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE        SUBSECTION / TITLE      APPROVAL                      COMMENTS TS 5.3                    TS 5.3                    A0        A49 amended the Unit 1 TS to incorporate TS Unit Staff Qualifications Unit Staff Qualifications A49        Task Force (TSTF) Travelers 258, R4; 299, R0; and 308, R1. This change is to be applied to Unit 2.
------------------------------------------------------------------
NRC approved A49 via letter dated 11/13/2003.
AMENDMENT:
TS 5.4                    TS 5.4                    A0 Training                  Training AMENDMENT:
TS 5.5                    TS 5.5                    A0 Reviews and Audits        Reviews and Audits AMENDMENT:
TS 5.6                    TS 5.6                    A0        A32 amended Unit 1 TS 5.6, Technical Technical Specifications  Technical Specifications  A32        Specification (TS) Bases Control Program, to (TS) Bases Control        (TS) Bases Control                  adopt Technical Specification Task Force (TSTF)
Program                  Program                              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


------------------------------------------------------------------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:
Revision 0            WBN UNIT 2 STS / BASES            TS / TS BASES      WBN UNIT 1 SUBSECTION / TITLE      SUBSECTION / TITLE      APPROVAL                            COMMENTS TS 5.7                    TS 5.7                    A0        A5 amended the Unit 1 TS to Allow Appendix J, Procedures, Programs, and Procedures, Programs, and A05        Option B Testing. This change is to be applied to Manuals                  Manuals                  A27        Unit 2.
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
A34 A38        NRC approved A5 via letter dated 05/27/1997.
A44        ----------------------------------------
A49        A27 amended the Unit 1 TS to approve use of an AMENDMENT:                A63        alternate repair criterion (F*) in the tubesheet A65        region of the steam generator. This change will A66        NOT be applied to Unit 2 at this time.
A70 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.
Page 76 of 79


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.
Revision 0         WBN UNIT 2 STS / BASES        TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE  SUBSECTION / TITLE  APPROVAL                            COMMENTS 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.
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.
TS 5.8                TS 5.8                A0 Safety Function      Safety Function Determination Program Determination Program (SFDP)               (SFDP)
----------------------------------------
AMENDMENT:
A34 amended the Unit 1 TS to delete the program requirements of TS 5.
Page 77 of 79
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====
Revision 0          WBN UNIT 2 STS / BASES          TS / TS BASES    WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE    APPROVAL                            COMMENTS TS 5.9                TS 5.9                A0        A7 amended the Unit 1 TS to reflect changes due Reporting Requirements Reporting Requirements A07        to Cycle 2 Core Reload Changes. The changes A09        remain valid for and will be applied to Unit 2.
to other normal and accelerated frequencies specified as two years or less in the IST program. This change is to be applied to Unit  
A11 A20        NRC approved A7 via letter dated 09/11/1997.
A21        ----------------------------------------
A27        A9 amended the Unit 1 TS to incorporate the use AMENDMENT:            A31        of Code Case N 514 into the methodology for the A38        WBN Pressure Temperature Limits Report. This A46        change is to be applied to Unit 2.
A49 A57        NRC approved A9 via letter dated 10/21/1997.
A65        ----------------------------------------
A11 amended the Unit 1 TS to replace the 2%
penalty addressed in SR 3.2.1.2(a) with a burnup-dependent factor to be specified in the Core Operating Limits Report (COLR). This change is to be applied to Unit 2.
NRC approved A11 via letter dated 08/10/1998.
A20 amended the Unit 1 TS to change the TS analytical methods for core operating limits to implement an analysis supporting a more negative moderator temperature coefficient for the end of cycle, rated thermal power condition. This change is to be applied to Unit 2.
NRC approved A20 via letter dated 03/14/2000.
A21 amended the Unit 1 TS to allow use of the Westinghouse generic best estimate large break loss of coolant accident analysis methodology, using the WCOBRA/TRAC code. This change is to be applied to Unit 2.
NRC approved A21 via letter dated 03/17/2000.
A27 amended the Unit 1 TS to approve use of an alternate repair criterion (F*) in the tubesheet region of the steam generator. This change will NOT be implemented on Unit 2 at this time NRC approved A27 via letter dated 09/08/2000.
A31 amended the Unit 1 TS to approve Power Uprate using Leading Edge Flow Meter (LEFM).
This change will NOT be implemented on Unit 2 at this time.
NRC approved A31 via letter dated 01/19/2001.
A38 amended the Unit 1 TS to incorporate voltage-based Alternate Repair Criteria for steam generator tubes. This change will NOT be applied to Unit 2 at this time.
NRC approved A38 via letter dated 02/26/2002.
A46 amended the Unit 1 TS to allow use of W 17X17 fuel design with Intermediate flow mixers.
The changes remain valid for and will be applied to Unit 2.
NRC approved A46 via letter dated 09/30/2003.
Page 78 of 79


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
Revision 0        WBN UNIT 2 STS / BASES        TS / TS BASES  WBN UNIT 1 SUBSECTION / TITLE    SUBSECTION / TITLE  APPROVAL                            COMMENTS 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.
----------------------------------------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.
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.
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.
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.
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.
NRC approved A65 via letter dated 11/03/2006.
----------------------------------------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.
TS 5.10              TS 5.10              A0 Record Retention      Record Retention AMENDMENT:
----------------------------------------
TS 5.11              TS 5.11              A0        A49 amended the Unit 1 TS to incorporate TS High Radiation Area  High Radiation Area  A49        Task Force (TSTF) Travelers 258, R4; 299, R0; and 308, R1. This change is to be applied to Unit 2.
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.
NRC approved A49 via letter dated 11/13/2003.
----------------------------------------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.
AMENDMENT:
----------------------------------------A31 amended the Unit 1 TS to approve Power Uprate using Leading Edge Flow Meter (LEFM).
Page 79 of 79}}
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}}

Latest revision as of 03:15, 12 March 2020

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

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

change is to be applied to Unit 2.

A31

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

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

AMENDMENT: B ------------------ A31 amended the Unit 1 TS to approve Power

Uprate using Leading Edge Flow Meter (LEFM);

A82 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.

TS 1.2 TS 1.2 A0 Logical Connectors Logical Connectors AMENDMENT:

TS 1.3 TS 1.3 A0 Completion Times Completion Times AMENDMENT:

TS 1.4 TS 1.4 A0 Frequency Frequency AMENDMENT:

Page 1 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 2.1 TS 2.1 A0 A7 amended the Unit 1 TS to reflect changes due SLs SLs A07 to Cycle 2 Core Reload Changes. The changes A31 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 AMENDMENT: 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.

TS Bases 2.1 TS Bases 2.1 R0 R13 revised the Unit 1 TS Bases to implement the SLs SLs R13 (A07) changes made by A7 to the Unit 1 TS (changes R59 (A46) 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.

AMENDMENT: ----------------------------------------

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.

TS 2.2 TS 2.2 A0 SL Violations SL Violations AMENDMENT:

TS 3.0 TS 3.0 A0 A55 amended the Unit 1 TS to change LIMITING CONDITION LIMITING CONDITION A55 requirements for Mode changes limitation in LCOs FOR OPERATION (LCO) FOR OPERATION (LCO) and SRs. This change is to be applied to Unit 2.

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

AMENDMENT:

TS Bases 3.0 TS Bases 3.0 R0 R55 revised the Unit 1 TS Bases to make an LIMITING CONDITION LIMITING CONDITION R55 editorial correction. This change is to be applied to FOR OPERATION (LCO) FOR OPERATION (LCO) R68 (A55) Unit 2.

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

AMENDMENT: 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.

Page 2 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.0 TS 3.0 A0 A42 amended the Unit 1 TS to revise the time SURVEILLANCE SURVEILLANCE A42 delay prior to entering LCO after missing SR. This REQUIREMENT (SR) REQUIREMENT (SR) A55 change is to be applied to Unit 2.

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

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

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

TS Bases 3.0 TS Bases 3.0 R0 R10 revised the Unit 1 TS Bases to reflect SURVEILLANCE SURVEILLANCE R10 (A05) changes to the Unit 1 TS approved by Unit 1 TS REQUIREMENT (SR) REQUIREMENT (SR) R53 (A42) A5 (allow Option B Appendix J Testing). This APPLICABILITY APPLICABILITY R68 (A55) change is to be applied to Unit 2.

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

AMENDMENT: 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.

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

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

AMENDMENT:

TS Bases 3.1.1 TS Bases 3.1.1 R0 R68 revised the Unit 1 TS Bases to reflect SHUTDOWN MARGIN SHUTDOWN MARGIN R68 (A55) changes to the Unit 1 TS approved by Unit 1 TS (SDM) - Tavg > 200 (SDM) - Tavg > 200 A55 (change requirements for Mode changes degrees F degrees F limitation in LCOs and SRs). This change is to be applied to Unit 2.

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

AMENDMENT:

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

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

AMENDMENT:

Page 3 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.1.2 TS Bases 3.1.2 R0 R68 revised the Unit 1 TS Bases to reflect SHUTDOWN MARGIN SHUTDOWN MARGIN R68 (A55) changes to the Unit 1 TS approved by Unit 1 TS (SDM) - Tavg < / = 200 (SDM) - Tavg < / = 200 A55 (change requirements for Mode changes degrees F degrees F limitation in LCOs and SRs). This change is to be applied to Unit 2.

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

AMENDMENT:

TS 3.1.3 TS 3.1.3 A0 Core Reactivity Core Reactivity AMENDMENT:

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

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

AMENDMENT:

TS 3.1.4 TS 3.1.4 A0 Moderator Temperature Moderator Temperature Coefficient (MTC) Coefficient (MTC)

AMENDMENT:

TS Bases 3.1.4 TS Bases 3.1.4 R0 R32 revised the Unit 1 TS Bases to clarify Core Moderator Temperature Moderator Temperature R32 Reactivity and Moderator Temperature Coefficient Coefficient (MTC) Coefficient (MTC) behavior. This change is to be applied to Unit 2.

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

AMENDMENT:

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

Page 4 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.1.5 TS Bases 3.1.5 R0 R51 revised the Unit 1 TS Bases to clarify that Rod Group Alignment Limits Rod Group Alignment Limits ----- Shutdown Banks C and D have only one Rod R51 Group. This change is to be applied to Unit 2.

R51 was provided to NRC via letter dated RXX (A82) 04/20/2004.

AMENDMENT: B --------------------------------------------------------------------

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.

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

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

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

AMENDMENT:

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

TS Bases 3.1.7 TS Bases 3.1.7 R0 R51 revised the Unit 1 TS Bases to clarify that Control Bank Insertion Control Bank Insertion R51 Shutdown Banks C and D have only one Rod Limits Limits 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

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

This change is to be applied to Unit 2.

A82 NRC approved A58 via letter dated 09/20/2005.

AMENDMENT: B --------------------------------------------------------------------

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.

TS Bases 3.1.8 TS Bases 3.1.8 R0 R51 revised the Unit 1 TS Bases to clarify that Rod Position Indication Rod Position Indication ----- Shutdown Banks C and D have only one Rod R51 Group. This change is to be applied to Unit 2.

R70 (A58) R51 was provided to NRC via letter dated

04/20/2004.

AMENDMENT: B RXX (A82) 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.

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

Page 6 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.1.9 TS Bases 3.1.9 R0 R40 revised the Unit 1 TS Bases to clarify Watts PHYSICS TESTS PHYSICS TESTS ----- Bars compliance with ANSI/ANS-19.6.1 and to Exceptions - MODE 1 Exceptions - MODE 1 R40 delete the detailed descriptions of Physics Tests.

This change is to be applied to Unit 2.

RXX (A82) R40 was provided to NRC via letter dated 03/27/2001.

AMENDMENT: B --------------------------------------------------------------------

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.

TS 3.1.10 TS 3.1.10 A0 A28 amended the Unit 1 TS in regards to the need PHYSICS TESTS PHYSICS TESTS A28 to conduct channel operational tests within 12 Exceptions - MODE 2 Exceptions - MODE 2 hours 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.

AMENDMENT:

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

TS Bases 3.1.10 TS Bases 3.1.10 R0 R29 revised the Unit 1 TS Bases to add notes to PHYSICS TESTS PHYSICS TESTS R29 address instrument error in various parameters Exceptions - MODE 2 Exceptions - MODE 2 R39 (A28) shown in the Bases. This change is to be applied R40 to Unit 2.

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

AMENDMENT: ----------------------------------------

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

This change is to be applied to Unit 2.

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

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

This change is to be applied to Unit 2.

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

TS 3.1.11 XX XX The marked-up version of the STS submitted with SHUTDOWN MARGIN XX the Unit 1 TS / TS Bases stated The TS 3.1.11, (SDM) Test Exceptions 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, AMENDMENT: on Unit 1.

Page 7 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.1.11 XX XX The marked-up version of the STS submitted with SHUTDOWN MARGIN XX the Unit 1 TS / TS Bases stated The TS 3.1.11, (SDM) Test Exceptions 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, AMENDMENT: on Unit 1.

TS 3.2.1A XX XX Watts Bar uses the "FQ Methodology." This Heat Flux Hot Channel XX section will not be used at Watts Bar.

Factor (FQ(Z)) (FXY Methodology)

AMENDMENT:

TS Bases 3.2.1A XX XX Watts Bar uses the "FQ Methodology." This Heat Flux Hot Channel XX section will not be used at Watts Bar.

Factor (FQ(Z)) (FXY Methodology)

AMENDMENT:

TS 3.2.1B TS 3.2.1 A0 A11 amended the Unit 1 TS to replace the 2%

Heat Flux Hot Channel Heat Flux Hot Channel ----- penalty addressed in SR 3.2.1.2(a) with a burnup-Factor (FQ(Z)) (FQ Factor (FQ(Z)) A11 dependent factor to be specified in the Core Methodology) ------------------ Operating Limits Report (COLR). This change is

to be applied to Unit 2.

A82 NRC approved A11 via letter dated 08/10/1998.

AMENDMENT: B --------------------------------------------------------------------

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.

Page 8 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.2.1B TS Bases 3.2.1 R0 R18 revised the Unit 1 TS Bases to reflect Heat Flux Hot Channel Heat Flux Hot Channel ----- changes to the Unit 1 TS approved by Unit 1 TS Factor (FQ(Z)) (FQ Factor (FQ(Z)) R18 (A11) A11 {replace the 2% penalty addressed in SR Methodology) ----- 3.2.1.2(a) with a burnup-dependent factor to be R38 specified in the Core Operating Limits Report

(COLR)}. This change is to be applied to Unit 2.

R39 (A21)

AMENDMENT: B ------------------ NRC approved A11 via letter dated 08/10/1998.

R99 R38 revised the Unit 1 TS Bases to revise SR

3.2.1.2 to reflect the area of the core that will be RXX (A82) 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.

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

AMENDMENT:

Page 9 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.2.2 TS Bases 3.2.2 R0 R13 revised the Unit 1 TS Bases to implement the Nuclear Enthalpy Rise Hot Nuclear Enthalpy Rise Hot ----- changes made by A7 to the Unit 1 TS (changes Channel Factor (FNdeltaH) Channel Factor (FNdeltaH) R13 (A07) due to Cycle 2 Core Reload Changes). The

changes remain valid for and will be applied to Unit R39 (A21) 2.

R59 (A46) NRC approved A7 via letter dated 09/11/1997.

AMENDMENT: ------------------ ----------------------------------------

R39 revised the Unit 1 TS Bases to reflect RXX (A82) 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.

TS 3.2.3.A XX XX Watts Bar will utilize RAOC Methodology. This AXIAL FLUX DIFFERENCE XX section will not be used at Watts Bar.

(AFD) (Constant Axial Offset Control (CAOC)

Methodology)

AMENDMENT:

TS Bases 3.2.3.A XX XX Watts Bar will utilize RAOC Methodology. This AXIAL FLUX DIFFERENCE XX section will not be used at Watts Bar.

(AFD) (Constant Axial Offset Control (CAOC)

Methodology)

AMENDMENT:

TS 3.2.3.B TS 3.2.3 A0 AXIAL FLUX DIFFERENCE AXIAL FLUX DIFFERENCE (AFD) (Relaxed Axial Offset (AFD)

Control (RAOC)

Methodology)

AMENDMENT:

Page 10 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.2.3.B TS Bases 3.2.3 R0 AXIAL FLUX DIFFERENCE AXIAL FLUX DIFFERENCE (AFD) (Relaxed Axial Offset (AFD)

Control (RAOC)

Methodology)

AMENDMENT:

TS 3.2.4 TS 3.2.4 A0 QUADRANT POWER TILT QUADRANT POWER TILT ------------------ --------------------------------------------------------------------

RATIO (QPTR) RATIO (QPTR) ------------------ --------------------------------------------------------------------

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

AMENDMENT: B NRC approved A82 via letter dated 10/27/2009.

TS Bases 3.2.4 TS Bases 3.2.4 R0 QUADRANT POWER TILT QUADRANT POWER TILT ------------------ --------------------------------------------------------------------

RATIO (QPTR) RATIO (QPTR) ------------------ --------------------------------------------------------------------

RXX (A82) 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:

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

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

Page 11 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.3.1 TS 3.3.1 A0 A7 amended the Unit 1 TS to reflect changes due Reactor Trip System (RTS) Reactor Trip System (RTS) ----- to Cycle 2 Core Reload Changes. The changes Instrumentation Instrumentation A07 remain valid for and will be applied to Unit 2.

A18 NRC approved A7 via letter dated 09/11/1997.

A47 A18 amended the Unit 1 TS to delete Power AMENDMENT: B ----- Range Neutron Flux High Negative Rate Reactor A52 Trip Function. This change is to be applied to Unit

2.

A68

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

A82 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.

Page 12 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.3.1 TS Bases 3.3.1 R0 R13 revised the Unit 1 TS Bases to implement the Reactor Trip System (RTS) Reactor Trip System (RTS) ----- changes made by A7 to the Unit 1 TS (changes Instrumentation Instrumentation R13 (A07) due to Cycle 2 Core Reload Changes). The

changes remain valid for and will be applied to Unit R17 2.

R27 (A18) NRC approved A7 via letter dated 09/11/1997.

AMENDMENT: B ----- ----------------------------------------

R34 (A24) R17 revised the Unit 1 TS Bases for Source Range

Neutron Flux (change indication to visual R60 (A47) indication and audible alarm). This change is to

be applied to Unit 2.

R90 (A68)

R17 was provided to NRC via letter dated

10/18/1999.

RXX (A82) ----------------------------------------

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.

Page 13 of 79

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

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

Page 14 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.3.2 TS 3.3.2 A0 A1 amended the Unit 1 TS to reflect modification Engineered Safety Feature Engineered Safety Feature ----- to prevent inadvertent transfer of the turbine driven Actuation System (SEAS) Actuation System (SEAS) A01 auxiliary feedwater pump suction from the Instrumentation Instrumentation ----- condensate storage tank to the emergency raw A07 cooling water system. This change is to be

applied to Unit 2.

A13 AMENDMENT: B ----- NRC approved A1 via letter dated 02/28/1996.

A17 ----------------------------------------

A7 amended the Unit 1 TS to incorporate Cycle 2 A23 core reload changes. This change is to be applied

to Unit 2.

A68

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

A75 A13 amended the Unit 1 TS to clarify the intent of

the surveillance testing requirements for the A80 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.

Page 15 of 79

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

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

This change is to be applied to Unit 2.

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

Page 16 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.3.2 TS Bases 3.3.2 R0 R1 revised the Unit 1 TS Bases to add additional Engineered Safety Feature Engineered Safety Feature ----- information for SR 3.3.2.7 concerning slave relay Actuation System (SEAS) Actuation System (SEAS) R01 testing. This change is to be applied to Unit 2.

Instrumentation Instrumentation -----

R02 (A01) R1 was provided to NRC via letter dated

02/09/1998.

R09 ----------------------------------------

AMENDMENT: B ----- R2 revised the Unit 1 TS Bases to reflect changes R13 (A07) to the Unit 1 TS approved by Unit 1 TS A1 (reflect

modification to prevent inadvertent transfer of the R20 (A13) turbine driven auxiliary feedwater pump suction

from the condensate storage tank to the R26 (A17) emergency raw cooling water system). This

change is to be applied to Unit 2.

R30 (A23)

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

R34 (A24) ----------------------------------------

R9 revised the Unit 1 TS Bases to clarify switch R90 (A68) controls for Manual Phase A Containment Vent

Isolation. This change is to be applied to Unit 2.

R96 (A75) 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.

Page 17 of 79

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

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

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

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

This change is to be applied to Unit 2.

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

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

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

A72 --------------------------------------------------------------------

AMENDMENT: B 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.

Page 18 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.3.3 TS Bases 3.3.3 R0 R28 revised the Unit 1 TS Bases to reflect P2500 Post Accident Monitoring Post Accident Monitoring ----- replacement with ICS (delete reference to ERFDS (PAM) Instrumentation (PAM) Instrumentation R28 as a redundant input signal). This change is to be

applied to Unit 2.

R49 (A34)

R28 was provided to NRC via letter dated R68 (A55) 10/18/1999.

AMENDMENT: B ------------------ ----------------------------------------

R49 revised the Unit 1 TS Bases to reflect R94 (A72) 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.

TS 3.3.4 TS 3.3.4 A0 A53 amended the Unit 1 TS allow a one-time Remote Shutdown System Remote Shutdown System A53 change to Function 4a of TS Table 3.3.4-1 (allows A55 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.

AMENDMENT: 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.

TS Bases 3.3.4 TS Bases 3.3.4 R0 R68 revised the Unit 1 TS Bases to reflect Remote Shutdown System Remote Shutdown System R68 (A55) changes to TS approved by Unit 1 TS A55 (change requirements for Mode changes limitation in LCOs and SRs). This change is to be applied to Unit 2.

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

AMENDMENT:

TS 3.3.5 TS 3.3.5 A0 A36 amended the Unit 1 TS to increase time-delay Loss of Power (LOP) Loss of Power (LOP) A36 settings for 6.9kV degraded voltage relays. This Diesel Generator (DG) Diesel Generator (DG) change is to be applied to Unit 2.

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

AMENDMENT:

Page 19 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.3.5 TS Bases 3.3.5 R0 R48 revised the Unit 1 TS Bases to reflect Loss of Power (LOP) Loss of Power (LOP) R48 (A36) changes to the Unit 1 TS approved by Unit 1 TS Diesel Generator (DG) Diesel Generator (DG) A36 (increase time-delay settings for 6.9kV Start Instrumentation Start Instrumentation degraded voltage relays). This change is to be applied to Unit 2.

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

AMENDMENT:

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

A35

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

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

AMENDMENT: B ------------------ A35 amended the Unit 1 TS to eliminate ESF

operability requirements that do not involve the A74 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.

Page 20 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.3.6 TS Bases 3.3.6 R0 R9 revised the Unit 1 TS Bases to clarify switch Containment Purge and Containment Vent Isolation ----- controls for Manual Phase A Containment Vent Exhaust Isolation Instrumentation R09 Isolation. This change is to be applied to Unit 2.

Instrumentation -----

R26 (A17) R9 was provided to NRC via letter dated

02/09/1998.

R43 ----------------------------------------

AMENDMENT: B ----- R26 revised the Unit 1 TS Bases to reflect R45 (A35) changes to the Unit 1 TS approved by Unit 1 TS

A17 {increase SR interval for Westinghouse type R87 AR Relays (WCAP 13877, Rev. 1 and WCAP

13900, Rev. 0)}. This change is to be applied to R90 (A68) Unit 2.

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

R93 (A74) ----------------------------------------

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 Page 21 of 79

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

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

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

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

AMENDMENT: 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.

TS Bases 3.3.7 TS Bases 3.3.7 R0 R45 revised the Unit 1 TS Bases to reflect Control Room Emergency Control Room Emergency R45 (A35) changes to the Unit 1 TS approved by Unit 1 TS Filtration System (CREFS) Ventilation System A35 (Eliminate ESF operability requirements that Actuation Instrumentation (CREVS) Actuation do not involve the movement of irradiated fuel Instrumentation during core alterations; this was part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

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

AMENDMENT:

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

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

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

AMENDMENT:

TS 3.3.9 XX XX This section was not included in the Unit 1 Boron Dilution Protection XX submittal; it is not in current Unit 1 TS and TS System (BDPS) Bases.

AMENDMENT:

Page 22 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.3.9 XX XX This section was not included in the Unit 1 Boron Dilution Protection XX submittal; it is not in current Unit 1 TS and TS System (BDPS) Bases.

AMENDMENT:

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

Departure from Nucleate Departure from Nucleate Boiling (DNB) Limits Boiling (DNB) Limits 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 AMENDMENT: B 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.

TS Bases 3.4.1 TS Bases 3.4.1 R0 R13 revised the Unit 1 TS Bases to implement the RCS Pressure, RCS Pressure, R13 (A07) changes made by A7 to the Unit 1 TS (changes Temperature, and Flow Temperature, and Flow R29 due to Cycle 2 Core Reload Changes). The Departure from Nucleate Departure from Nucleate R60 (A47) changes remain valid for and will be applied to Unit Boiling (DNB) Limits Boiling (DNB) Limits 2.

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

AMENDMENT: B 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.

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

Page 23 of 79

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

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.

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

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

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

TS Bases 3.4.4 TS Bases 3.4.4 R0 R82 revised the Unit 1 TS Bases to reflect RCS Loops - MODES 1 RCS Loops - MODES 1 R82 (A65) changes to the Unit 1 TS approved by Unit 1 TS and 2 and 2 A65 (amended Unit 1 TS's Steam Generator Tube Surveillance Program; modeled after TSTF-449).

This change is to be applied to Unit 2.

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

AMENDMENT:

TS 3.4.5 TS 3.4.5 A0 A61 amended the Unit 1 TS to authorize change in RCS Loops - MODE 3 RCS Loops - MODE 3 A61 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

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.4.5 TS Bases 3.4.5 R0 R29 revised the Unit 1 TS Bases to add notes to RCS Loops - MODE 3 RCS Loops - MODE 3 R29 address instrument error in various parameters R79 (A61) shown in the Bases. This change is to be applied R82 (A65) to Unit 2.

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

AMENDMENT: ----------------------------

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.

TS 3.4.6 TS 3.4.6 A0 A61 amended the Unit 1 TS to authorize change in RCS Loops - MODE 4 RCS Loops - MODE 4 A61 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

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.4.6 TS Bases 3.4.6 R0 R29 revised the Unit 1 TS Bases to add notes to RCS Loops - MODE 4 RCS Loops - MODE 4 R29 address instrument error in various parameters R72 shown in the Bases. This change is to be applied R79 (A61) to Unit 2.

R82 (A65)

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

AMENDMENT: ----------------------------

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.

TS 3.4.7 TS 3.4.7 A0 A61 amended the Unit 1 TS to authorize change in RCS Loops - MODE 5, RCS Loops - MODE 5, A61 SG level requirement from greater than or equal to Loops Filled Loops Filled 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

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.4.7 TS Bases 3.4.7 R0 R29 revised the Unit 1 TS Bases to add notes to RCS Loops - MODE 5, RCS Loops - MODE 5, R29 address instrument error in various parameters Loops Filled Loops Filled R79 (A61) shown in the Bases. This change is to be applied R82 (A65) to Unit 2.

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

AMENDMENT: ----------------------------

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.

TS 3.4.8 TS 3.4.8 A0 A55 amended the Unit 1 TS to change RCS Loops - MODE 5, RCS Loops - MODE 5, A55 requirements for Mode changes limitation in LCOs Loops Not Filled Loops Not Filled 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.

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

TS Bases 3.4.8 TS Bases 3.4.8 R0 R68 revised the Unit 1 TS Bases to reflect RCS Loops - MODE 5, RCS Loops - MODE 5, R68 (A55) changes to TS approved by Unit 1 TS A55 (change Loops Not Filled Loops Not Filled 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.

AMENDMENT:

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

TS 3.4.9 TS 3.4.9 A0 Pressurizer Pressurizer AMENDMENT:

TS Bases 3.4.9 TS Bases 3.4.9 R0 R29 revised the Unit 1 TS Bases to add notes to Pressurizer Pressurizer R29 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

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

TS Bases 3.4.10 TS Bases 3.4.10 R0 R89 revised the Unit 1 TS Bases to reflect Pressurizer Safety Valves Pressurizer Safety Valves R89 (A66) 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 AMENDMENT: 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 3.4.11 TS 3.4.11 A0 A55 amended the Unit 1 TS to change Pressurizer Power Pressurizer Power A55 requirements for Mode changes limitation in LCOs Operated Relief Valves Operated Relief Valves and SRs. This change is to be applied to Unit 2.

(PORVs) (PORVs)

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

AMENDMENT:

TS Bases 3.4.11 TS Bases 3.4.11 R0 R42 revised the Unit 1 TS Bases to clarify TS Pressurizer Power Pressurizer Power R42 operability requirements for the pressurizer Operated Relief Valves Operated Relief Valves R68 (A55) PORVs. This change is to be applied to Unit 2.

(PORVs) (PORVs) R89 (A66)

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

AMENDMENT: 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.

Page 28 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.4.12 TS 3.4.12 A0 A14 amended the Unit 1 TS to allow up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Low Temperature Cold Overpressure A14 to make the residual heat removal suction relief Overpressure Protection Mitigation System (COMS) A55 valve available as a cold overpressure mitigation (LTOP) System 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.

AMENDMENT: 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.

TS Bases 3.4.12 TS Bases 3.4.12 R0 R7 revised the Unit 1 TS Bases to clarify the COT Low Temperature Cold Overpressure R07 frequency. This change is to be applied to Unit 2.

Overpressure Protection Mitigation System (COMS) R22 (A14)

(LTOP) System R68 (A55) R7 was provided to NRC via letter dated R89 (A66) 02/09/1998.

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

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

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

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

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

Page 29 of 79

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

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

AMENDMENT: 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.

TS Bases 3.4.13 TS Bases 3.4.13 R0 R47 revised the Unit 1 TS Bases to reflect RCS Operational LEAKAGE RCS Operational LEAKAGE R47 (A38) changes to the Unit 1 TS approved by Unit 1 TS R68 (A56) A38 (incorporate voltage-based Alternate Repair R82 (A65) 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: -----------------------------

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.

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

TS Bases 3.4.14 TS Bases 3.4.14 R0 R89 revised the Unit 1 TS Bases to reflect RCS Pressure Isolation RCS Pressure Isolation R89 (A66) changes to the Unit 1 TS approved by Unit 1 TS Valve (PIV) Leakage Valve (PIV) Leakage 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 AMENDMENT: 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.

Page 30 of 79

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

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

A71 --------------------------------------------------------------------

AMENDMENT: B 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.

TS Bases 3.4.15 TS Bases 3.4.15 R0 R12 revised the Unit 1 TS Bases to address heat RCS Leakage Detection RCS Leakage Detection ----- tracing for radiation monitors. This change is to be Instrumentation Instrumentation R12 applied to Unit 2.

R68 (A55) R12 was provided to NRC via letter dated

02/09/1998.

AMENDMENT: B R92 (A71) 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.

TS 3.4.16 TS 3.4.16 A0 A41 amended the Unit 1 TS to lower the steady-RCS Specific Activity RCS Specific Activity A41 state specific activity of the primary coolant and to A55 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.

AMENDMENT: 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.

Page 31 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.4.16 TS Bases 3.4.16 R0 R52 revised the Unit 1 TS Bases to reflect RCS Specific Activity RCS Specific Activity R52 (A41) changes to the Unit 1 TS approved by Unit 1 TS R68 (A55) 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.

AMENDMENT:

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.

TS 3.4.17 XX XX This specification is not applicable to Watts Bar.

RCS Loop Isolation Valves XX AMENDMENT:

TS Bases 3.4.17 XX XX This specification is not applicable to Watts Bar.

RCS Loop Isolation Valves XX AMENDMENT:

TS 3.4.18 XX XX This specification is not applicable to Watts Bar.

RCS Isolated Loop Startup XX AMENDMENT:

TS Bases 3.4.18 XX XX This specification is not applicable to Watts Bar.

RCS Isolated Loop Startup XX AMENDMENT:

Page 32 of 79

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

AMENDMENT:

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

Exceptions 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

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.5.1 TS 3.5.1 A0 A7 amended the Unit 1 TS to reflect changes due Accumulators Accumulators ----- to Cycle 2 Core Reload Changes. The changes A07 implemented by A7 in this subsection were

superseded by a later amendment.

A21

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

A40 ----------------------------------------

AMENDMENT: B ----- A21 amended the Unit 1 TS to allow use of the A48 Westinghouse generic best estimate large break

loss of coolant accident analysis methodology, A67 using the WCOBRA/TRAC code. This change is

to be applied to Unit 2.

A77 NRC approved A21 via letter dated 03/17/2000.

A81 A40 amended the Unit 1 TS to allow Watts Bar to irradiate up to 2304 Tritium Producing Burnable Absorber Rods (TPBARs) in the reactor core each fuel cycle. TPBARS will NOT be used on Unit 2.

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

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

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

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

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

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

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

TPBARS will NOT be used on Unit 2.

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

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

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

Page 34 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.5.1 TS Bases 3.5.1 R0 R3 revised the Unit 1 TS Bases to reflect the Accumulators Accumulators ----- implementation of a DCN that changed the cold R03 leg accumulator tank pressure high/low setpoints.

This change is to be applied to Unit 2.

R29

R3 was provided to NRC via letter dated R39 (A21) 02/09/1998.

AMENDMENT: B ------------------ ----------------------------------------

R29 revised the Unit 1 TS Bases to add notes to R98 (A81) address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

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

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

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

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

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

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

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

A55 amended the Unit 1 TS to change AMENDMENT: 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 Page 35 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.5.2 TS Bases 3.5.2 R0 R14 revised the Unit 1 TS Bases to update the ECCS - Operating ECCS - Operating R14 hotleg recirculation timeframe. This change was R39 (A21) superseded by later revisions, and will NOT be R54 (A43) applied to Unit 2.

R57 (A48)

R61 (A40) R14 was provided to NRC via letter dated R62 02/09/1998.

AMENDMENT: R68 (A55) ----------------------------------------

R80 R39 revised the Unit 1 TS Bases to reflect R89 (A66) 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.

Page 36 of 79

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

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

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

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

AMENDMENT:

TS Bases 3.5.3 TS Bases 3.5.3 R0 R68 revised the Unit 1 TS Bases to reflect ECCS - Shutdown ECCS - Shutdown R68 (A55) 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

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.5.4 TS 3.5.4 A0 A7 amended the Unit 1 TS to reflect changes due Refueling Water Storage Refueling Water Storage ----- to Cycle 2 Core Reload Changes. The changes Tank (RWST) Tank (RWST) A07 made to this subsection by A7 were superseded by

A67.

A40

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

A48 ----------------------------------------

AMENDMENT: B ----- A40 amended the Unit 1 TS to allow Watts Bar to A67 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.

A77 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.

Page 38 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.5.4 TS Bases 3.5.4 R0 R13 revised the Unit 1 TS Bases to implement the Refueling Water Storage Refueling Water Storage R13 (A07) changes made by A7 to the Unit 1 TS (changes Tank (RWST) Tank (RWST) R29 due to Cycle 2 Core Reload Changes). The R61 changes made to this subsection by R13 were (A40/A48) superseded by R88.

R88 (A67)

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

AMENDMENT: ----------------------------------------

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.

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

TS Bases 3.5.5 TS Bases 3.5.5 R0 R29 revised the Unit 1 TS Bases to add notes to Seal Injection Flow Seal Injection Flow R29 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

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.5.6 XX XX This specification is not applicable to Watts Bar.

Boron Injection Tank (BIT) XX AMENDMENT:

TS Bases 3.5.6 XX XX This specification is not applicable to Watts Bar.

Boron Injection Tank (BIT) XX AMENDMENT:

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

Subatmospheric, Ice Condenser, and Dual) NRC approved A5 via letter dated 05/27/1997.

AMENDMENT:

TS Bases 3.6.1 TS Bases 3.6.1 R0 R10 revised the Unit 1 TS Bases to reflect Containment Containment R10 (A05) changes to the Unit 1 TS approved by Unit 1 TS (Atmospheric, A5 (Allow Appendix J, Option B Testing). This Subatmospheric, Ice change is to be applied to Unit 2.

Condenser, and Dual)

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

AMENDMENT:

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

Subatmospheric, Ice Condenser, and Dual) NRC approved A5 via letter dated 05/27/1997.

AMENDMENT:

TS Bases 3.6.2 TS Bases 3.6.2 R0 R5 revised the Unit 1 TS Bases to clarify Containment Air Locks Containment Air Locks R05 containment airlock door indication. This change (Atmospheric, R10 (A05) is to be applied to Unit 2.

Subatmospheric, Ice Condenser, and Dual) R5 was provided to NRC via letter dated 02/09/1998.

R10 revised the Unit 1 TS Bases to reflect AMENDMENT: 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.

Page 40 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.6.3 TS 3.6.3 A0 A5 amended the Unit 1 TS to Allow Appendix J, Containment Isolation Containment Isolation ----- Option B Testing. This change is to be applied to Valves (Atmospheric, Valves A05 Unit 2.

Subatmospheric, Ice ------------------

Condenser, and Dual) ------------------ NRC approved A5 via letter dated 05/27/1997.

A79 --------------------------------------------------------------------

A79 amended the Unit 1 TS to allow administrative AMENDMENT: B 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.

TS Bases 3.6.3 TS Bases 3.6.3 R0 R8 revised the Unit 1 TS Bases to clarify actions Containment Isolation Containment Isolation ----- related to administrative control of containment Valves (Atmospheric, Valves R08 isolation valves discussed in LC0 3.6.3. This Subatmospheric, Ice ----- change is to be applied to Unit 2.

Condenser, and Dual) R10 (A05)

R8 was provided to NRC via letter dated

02/09/1998.

R98 (A79) ----------------------------------------

AMENDMENT: B 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.

TS 3.6.4A TS 3.6.4 A0 A59 amended the Unit 1 TS to support steam Containment Pressure Containment Pressure A59 generator replacement by allowing temporary use (Atmospheric, Dual, and of penetrations in Shield Building Dome during Ice Condenser) 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

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.6.4A TS Bases 3.6.4 R0 R29 revised the Unit 1 TS Bases to add notes to Containment Pressure Containment Pressure R29 address instrument error in various parameters (Atmospheric, Dual, and R44 (A33) shown in the Bases. This change is to be applied Ice Condenser) R55 to Unit 2.

R71 (A59)

R76 R29 was provided to NRC via letter dated 03/27/2001.

AMENDMENT: ----------------------------------------

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.

TS 3.6.4B XX XX This Containment Pressure specification is not the Containment Pressure XX one for Watts Bar.

(Subatmospheric)

AMENDMENT:

TS Bases 3.6.4B XX XX This Containment Pressure specification is not the Containment Pressure XX one for Watts Bar.

(Subatmospheric)

AMENDMENT:

Page 42 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.6.5A XX XX This Containment Air Temperature specification is Containment Air XX not the one for Watts Bar.

Temperature (Atmospheric and Dual)

AMENDMENT:

TS Bases 3.6.5A XX XX This Containment Air Temperature specification is Containment Air XX not the one for Watts Bar.

Temperature (Atmospheric and Dual)

AMENDMENT:

TS 3.6.5B TS 3.6.5 A0 Containment Air Containment Air Temperature (Ice Temperature Condenser)

AMENDMENT:

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

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

AMENDMENT:

TS 3.6.5C XX XX This Containment Air Temperature specification is Containment Air XX not the one for Watts Bar.

Temperature (Subatmospheric)

AMENDMENT:

TS Bases 3.6.5C XX XX This Containment Air Temperature specification is Containment Air XX not the one for Watts Bar.

Temperature (Subatmospheric)

AMENDMENT:

Page 43 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.6.6A XX XX This Containment Spray and Cooling Systems Containment Spray and XX specification is not the one for Watts Bar.

Cooling Systems (Atmospheric and Dual)

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

AMENDMENT:

TS Bases 3.6.6A XX XX This Containment Spray and Cooling Systems Containment Spray and XX specification is not the one for Watts Bar.

Cooling Systems (Atmospheric and Dual)

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

AMENDMENT:

TS 3.6.6B XX XX This Containment Spray and Cooling Systems Containment Spray and XX specification is not the one for Watts Bar.

Cooling Systems (Atmospheric and Dual)

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

AMENDMENT:

TS Bases 3.6.6B XX XX This Containment Spray and Cooling Systems Containment Spray and XX specification is not the one for Watts Bar.

Cooling Systems (Atmospheric and Dual)

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

AMENDMENT:

TS 3.6.6C TS 3.6.6 A0 Containment Spray Containment Spray System System (Ice Condenser)

AMENDMENT:

Page 44 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.6.6C TS Bases 3.6.6 R0 R44 revised the Unit 1 TS Bases to reflect Containment Spray Containment Spray System ----- changes to the Unit 1 TS approved by Unit 1 TS System (Ice Condenser) R44 (A33) A33 (Lower minimum average weight for ice

baskets and overall weight per WCAP-15699).

R55 This change per this revision revised the peak

containment pressure. This value was later R76 corrected via R55, and then superseded by R76.

AMENDMENT: B -----

R83 NRC approved A33 via letter dated 11/29/2001.

R89 (A66) 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.

R100 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.

TS 3.6.6D XX XX This specification is not applicable to Watts Bar.

Quench Spray (QS) XX System (Subatmospheric)

AMENDMENT:

Page 45 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.6.6D XX XX This specification is not applicable to Watts Bar.

Quench Spray (QS) XX System (Subatmospheric)

AMENDMENT:

TS 3.6.6E XX XX This specification is not applicable to Watts Bar.

Recirculation Spray (RS) XX System (Subatmospheric)

AMENDMENT:

TS Bases 3.6.6E XX XX This specification is not applicable to Watts Bar.

Recirculation Spray (RS) XX System (Subatmospheric)

AMENDMENT:

TS 3.6.8 TS 3.6.7 A0 A55 amended the Unit 1 TS to change Hydrogen Recombiners Hydrogen Recombiners --- requirements for Mode changes limitation in LCOs (Atmospheric, A55 and SRs. This change is to be applied to Unit 2.

Subatmospheric, Ice ------------------

Condenser, and Dual) (if ------------------ NRC approved A55 via letter dated 03/03/2005.

permanently installed) A72 --------------------------------------------------------------------

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

AMENDMENT: B NRC approved A72 via letter dated 12/23/08.

Page 46 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.6.8 TS Bases 3.6.7 R0 R61 revised the Unit 1 TS Bases to reflect Hydrogen Recombiners Hydrogen Recombiners --- changes to the Unit 1 TS approved by Unit 1 TS (Atmospheric, R61 (A40) A40. The change to the TS Bases updated the Subatmospheric, Ice --- hydrogen concentrations versus time frames. This Condenser, and Dual) (if R68 (A55) change is to be applied to Unit 2.

permanently installed) ------------------

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

R94 (A72) ----------------------------------------

R68 revised the Unit 1 TS Bases to reflect AMENDMENT: B 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.

TS 3.6.9 XX XX This section is not contained in the Unit 1 TS / TS Hydrogen Mixing System XX Bases.

(Atmospheric, Ice Condenser, and Dual)

AMENDMENT:

TS Bases 3.6.9 XX XX This section is not contained in the Unit 1 TS / TS Hydrogen Mixing System XX Bases.

(Atmospheric, Ice Condenser, and Dual)

AMENDMENT:

TS 3.6.10 TS 3.6.8 A0 A10 amended the Unit 1 TS for a one time Hydrogen Ignition System Hydrogen Mitigation A10 exception to allow certain hydrogen igniters to be (HIS) (Ice Condenser) System (HMS) inoperable for a limited time period. This change is NOT to be applied to Unit 2.

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

AMENDMENT:

TS Bases 3.6.10 TS Bases 3.6.8 R0 R16 revised the Unit 1 TS Bases to reflect Hydrogen Ignition System Hydrogen Mitigation R16 (A10) changes to the Unit 1 TS approved by Unit 1 TS (HIS) (Ice Condenser) System (HMS) 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

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.6.11 XX XX This section is not contained in the Unit 1 TS / TS Iodine Cleanup System XX Bases.

(Atmospheric and Subatmospheric)

AMENDMENT:

TS Bases 3.6.11 XX XX This section is not contained in the Unit 1 TS / TS Iodine Cleanup System XX Bases.

(Atmospheric and Subatmospheric)

AMENDMENT:

TS 3.6.12 XX XX This section is not contained in the Unit 1 TS / TS Vacuum Relief Valves XX Bases.

(Atmospheric and Ice Condenser)

AMENDMENT:

TS Bases 3.6.12 XX XX This section is not contained in the Unit 1 TS / TS Vacuum Relief Valves XX Bases.

(Atmospheric and Ice Condenser)

AMENDMENT:

TS 3.6.13 TS 3.6.9 A0 Shield Building Air Cleanup Emergency Gas Treatment System (SBACS) (Dual System (EGTS) and Ice Condenser)

AMENDMENT:

Page 48 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.6.13 TS Bases 3.6.9 R0 R15 revised the Unit 1 TS Bases to clarify EGTS Shield Building Air Cleanup Emergency Gas Treatment R15 logic testing.

System (SBACS) (Dual System (EGTS) R29 and Ice Condenser) R71 (A59) R15 was provided to NRC via letter dated R84 10/18/1999.

R85 ----------------------------------------

R29 revised the Unit 1 TS Bases to add notes to AMENDMENT: 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.

TS 3.6.14 TS 3.6.10 A0 Air Return System (Ice Air Return System (ARS)

Condenser)

AMENDMENT:

TS Bases 3.6.14 TS Bases 3.6.10 R0 Air Return System (Ice Air Return System (ARS)

Condenser)

AMENDMENT:

Page 49 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.6.15 TS 3.6.11 A0 A2 amended the Unit 1 TS to revise the frequency Ice Bed (Ice Condenser) Ice Bed A02 of SRs in 3.6.11 to coincide with outages. This A22 change is to be applied to Unit 2.

A25 A33 NRC approved A2 via letter dated 06/13/1996.

A62 ----------------------------------------

A22 amended the Unit 1 TS to change SR AMENDMENT: 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.

Page 50 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.6.15 TS Bases 3.6.11 R0 R4 revised the Unit 1 TS Bases to reflect changes Ice Bed (Ice Condenser) Ice Bed R04 (A02) to the Unit 1 TS approved by Unit 1 TS A2 (revise R21 the frequency of SRs in 3.6.11 to coincide with R29 outages.) This change is to be applied to Unit 2.

R36 (A22 &

A25) NRC approved A2 via letter dated 06/13/1996.

R44 (A33) ----------------------------------------

AMENDMENT: R81 (A62) 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.

TS 3.6.16 TS 3.6.12 A0 A3 amended the Unit 1 TS to allow a one time Ice Condenser Doors Ice Condenser Doors A03 extension of the 3 month surveillance requirement (Ice Condenser) 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

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.6.16 TS Bases 3.6.12 R0 R6 revised the Unit 1 TS Bases to reflect changes Ice Condenser Doors Ice Condenser Doors R06 (A03) to the Unit 1 TS approved by Unit 1 TS A3 (allow a (Ice Condenser) R21 one time extension of the 3 month surveillance R36 (A25) 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: ----------------------------------------

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.

TS 3.6.17 TS 3.6.13 A0 Divider Barrier Integrity Divider Barrier Integrity (Ice Condenser)

AMENDMENT:

TS Bases 3.6.17 TS Bases 3.6.13 R0 Divider Barrier Integrity Divider Barrier Integrity (Ice Condenser)

AMENDMENT:

TS 3.6.18 TS 3.6.14 A0 Containment Recirculation Containment Recirculation Drains (Ice Condenser) Drains AMENDMENT:

TS Bases 3.6.18 TS Bases 3.6.14 R0 Containment Recirculation Containment Recirculation Drains (Ice Condenser) Drains AMENDMENT:

Page 52 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.6.19 TS 3.6.15 A0 A59 amended the Unit 1 TS to support steam Shield Building Shield Building A59 generator replacement by allowing temporary use (Dual and Ice Condenser) of penetrations in Shield Building Dome during Modes 1-4. This change will NOT be applied to Unit 2.

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

AMENDMENT:

TS Bases 3.6.19 TS Bases 3.6.15 R0 R29 revised the Unit 1 TS Bases to add notes to Shield Building Shield Building R29 address instrument error in various parameters (Dual and Ice Condenser) R71 (A59) shown in the Bases. This change is to be applied R84 to Unit 2.

R85 R29 was provided to NRC via letter dated 03/27/2001.

AMENDMENT: ----------------------------------------

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.

TS 3.7.1 TS 3.7.1 A0 A19 amended the Unit 1 TS (3.7.1) to provide a Main Steam Safety Valves Main Steam Safety Valves A19 new requirement to reduce the power range (MSSVs) (MSSVs) A31 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.

AMENDMENT: 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.

Page 53 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.7.1 TS Bases 3.7.1 R0 R31 revised the Unit 1 TS Bases to reflect Main Steam Safety Valves Main Steam Safety Valves R31 (A19) changes to the Unit 1 TS approved by Unit 1 TS (MSSVs) (MSSVs) R41 (A31) A19 (3.7.1: provide a new requirement to reduce R89 (A66) 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.

AMENDMENT:

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.

TS 3.7.2 TS 3.7.2 A0 Main Steam Isolation Main Steam Isolation Valves (MSIVs) Valves (MSIVs)

AMENDMENT:

TS Bases 3.7.2 TS Bases 3.7.2 R0 R89 revised the Unit 1 TS Bases to reflect Main Steam Isolation Main Steam Isolation R89 (A66) changes to the Unit 1 TS approved by Unit 1 TS Valves (MSIVs) Valves (MSIVs) 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 AMENDMENT: 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 3.7.3 TS 3.7.3 A0 Main Feedwater Isolation Main Feedwater Isolation Valves (MFIVs) and Main Valves (MFIVs) and Main Feedwater Regulation Feedwater Regulation Valves (MFRVs) [and Valves (MFRVs) and Associated Bypass Valves] Associated Bypass Valves AMENDMENT:

Page 54 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.7.3 TS Bases 3.7.3 R0 R76 revised the Unit 1 TS Bases (the change per Main Feedwater Isolation Main Feedwater Isolation R76 this revision that is applicable to this TS Bases Valves (MFIVs) and Main Valves (MFIVs) and Main R89 (A66) portion was the elimination of feedwater tempering Feedwater Regulation Feedwater Regulation flow; this was part of steam generator Valves (MFRVs) [and Valves (MFRVs) and replacement). This change will NOT be applied to Associated Bypass Valves] Associated Bypass Valves Unit 2.

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

AMENDMENT: ----------------------------------------

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

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

TS 3.7.4 TS 3.7.4 A0 A16 amended the Unit 1 TS to address condition Atmospheric Dump Valves Atmospheric Dump Valves A16 when 2 ADVs are inoperable due to safety-related (ADVs) (ADVs) A55 air train taken out of service. This change is to be applied to Unit 2.

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

AMENDMENT: ------------------------------

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.

TS Bases 3.7.4 TS Bases 3.7.4 R0 R24 revised the Unit 1 TS Bases to reflect Atmospheric Dump Valves Atmospheric Dump Valves R24 (A16) changes to the Unit 1 TS approved by Unit 1 TS (ADVs) (ADVs) R68 (A55) 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 AMENDMENT: .----------------------------------------

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.

Page 55 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.7.5 TS 3.7.5 A0 A13 amended the Unit 1 TS to clarify the intent of Auxiliary Feedwater (AFW) Auxiliary Feedwater (AFW) A13 the surveillance testing requirements for the System System A55 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.

AMENDMENT: 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.

TS Bases 3.7.5 TS Bases 3.7.5 R0 R20 revised the Unit 1 TS Bases to reflect Auxiliary Feedwater (AFW) Auxiliary Feedwater (AFW) R20 (A13) changes to the Unit 1 TS approved by Unit 1 TS System System R68 (A55) A13 (clarify the intent of the surveillance testing R89 (A66) 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.

AMENDMENT:

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.

TS 3.7.6 TS 3.7.6 A0 Condensate Storage Tank Condensate Storage Tank (CST) (CST)

AMENDMENT:

Page 56 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.7.6 TS Bases 3.7.6 R0 R29 revised the Unit 1 TS Bases to add notes to Condensate Storage Tank Condensate Storage Tank R29 address instrument error in various parameters (CST) (CST) R41 (A31) 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: ----------------------------------------

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.

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

AMENDMENT:

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

AMENDMENT:

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

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

AMENDMENT:

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

TS 3.7.9 TS 3.7.9 A0 Ultimate Heat Sink (UHS) Ultimate Heat Sink (UHS)

AMENDMENT:

Page 57 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.7.9 TS Bases 3.7.9 R0 R29 revised the Unit 1 TS Bases to add notes to Ultimate Heat Sink (UHS) Ultimate Heat Sink (UHS) R29 address instrument error in various parameters shown in the Bases. This change is to be applied to Unit 2.

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

AMENDMENT:

TS 3.7.10 TS 3.7.10 A0 A35 amended the Unit 1 TS to eliminate ESF Control Room Emergency Control Room Emergency A35 operability requirements that do not involve the Filtration System (CREFS) Ventilation System A70 movement of irradiated fuel during core alterations (CREVS) (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: ----------------------------------------

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 Bases 3.7.10 TS Bases 3.7.10 R0 R45 revised the Unit 1 TS Bases to reflect Control Room Emergency Control Room Emergency R45 (A35) changes to the Unit 1 TS approved by Unit 1 TS Filtration System (CREFS) Ventilation System R64 (A50) A35 (Eliminate ESF operability requirements that (CREVS) R91 (A70) 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.

AMENDMENT: 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.

TS 3.7.11 TS 3.7.11 A0 A35 amended the Unit 1 TS to eliminate ESF Control Room Emergency Control Room Emergency A35 operability requirements that do not involve the Air Temperature Control Air Temperature Control movement of irradiated fuel during core alterations System (CREATCS) System (CREATCS) (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

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.7.11 TS Bases 3.7.11 R0 R45 revised the Unit 1 TS Bases to reflect Control Room Emergency Control Room Emergency R45 (A35) changes to the Unit 1 TS approved by Unit 1 TS Air Temperature Control Air Temperature Control R64 (A50) A35 (Eliminate ESF operability requirements that System (CREATCS) System (CREATCS) 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.

AMENDMENT: 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.

TS 3.7.12 XX XX This specification is not applicable to Watts Bar.

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

AMENDMENT:

TS Bases 3.7.12 XX XX This specification is not applicable to Watts Bar.

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

AMENDMENT:

TS 3.7.13 TS 3.7.12 A0 Fuel Building Air Cleanup Auxiliary Building Gas System (FBACS) Treatment System (ABGTS)

AMENDMENT:

Page 59 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.7.13 TS Bases 3.7.12 R0 R29 revised the Unit 1 TS Bases to add notes to Fuel Building Air Cleanup Auxiliary Building Gas R29 address instrument error in various parameters System (FBACS) Treatment System (ABGTS) R35 shown in the Bases. This change is to be applied R55 to Unit 2.

R87 R29 was provided to NRC via letter dated 03/27/2001.

AMENDMENT: ----------------------------------------

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.

TS 3.7.14 XX XX This specification is not applicable to Watts Bar.

Penetration Room Exhaust XX Air Cleanup System (PREACS)

AMENDMENT:

TS Bases 3.7.14 XX XX This specification is not applicable to Watts Bar.

Penetration Room Exhaust XX Air Cleanup System (PREACS)

AMENDMENT:

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

Page 60 of 79

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

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

TS Bases 3.7.16 TS Bases 3.9.9 R0 R11 revised the Unit 1 TS Bases to reflect Fuel Storage Pool Boron Spent Fuel Pool Boron R11 (A06) changes to the Unit 1 TS approved by Unit 1 TS Concentration Concentration R86 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.

AMENDMENT:

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.

TS 3.7.17 TS 3.7.15 A06 A6 amended the Unit 1 TS to increase the spent Spent Fuel Assembly Spent Fuel Assembly A40 fuel storage capacity; included in this Amendment Storage Storage 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.

AMENDMENT: 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.

Page 61 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.7.17 TS Bases 3.7.15 R11 (A06) R11 revised the Unit 1 TS Bases to reflect Spent Fuel Assembly Spent Fuel Assembly R61 (A40) changes to the Unit 1 TS approved by Unit 1 TS Storage Storage A6 (Amended the Unit 1 TS to increase the spent fuel storage capacity; included in this Amendment was the addition of TS LCO 3.7.15.). This change is to be applied to Unit 2.

AMENDMENT: 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.

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

TS Bases 3.7.18 TS Bases 3.7.14 R0 R47 revised the Unit 1 TS Bases to reflect Secondary Specific Activity Secondary Specific Activity R47 (A38) 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

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

change is to be applied to Unit 2.

A30

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

A39 ----------------------------------------

AMENDMENT: B ----- A30 amended the Unit 1 TS to extend (on a one A55 time basis) the Action Completion Time for diesel

generator 1 B B from 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to 10 days in order

to allow the replacement of the diesel's electric AXX generator. This change will NOT be applied to Unit 2.

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

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

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

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

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

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

This information is being provided for continuity purpose.

Page 63 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.8.1 TS Bases 3.8.1 R0 R19 revised the Unit 1 TS Bases to reflect AC Sources - Operating AC Sources - Operating ----- changes to the Unit 1 TS approved by Unit 1 TS R19 (A12) A12 (allow online testing of diesel generator

batteries and performance of diesel generator 24 R50 (A39) hour endurance run). This change is to be

applied to Unit 2.

R63 AMENDMENT: B ----- NRC approved A12 via letter dated 10/19/1998.

R65 ----------------------------------------

R50 revised the Unit 1 TS Bases to reflect R68 (A55) 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 RXX (AXX) to operable status from 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> to 14 days). This change will NOT be applied to Unit 2.

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

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

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

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

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

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

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

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

This information is being provided for continuity purpose.

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

Page 64 of 79

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

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

TS Bases 3.8.3 TS Bases 3.8.3 R0 R29 revised the Unit 1 TS Bases to add notes to Diesel Fuel Oil, Lube Oil, Diesel Fuel Oil, Lube Oil, R29 address instrument error in various parameters and Starting Air and Starting Air R55 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: ----------------------------------------

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.

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

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

AMENDMENT: 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.

Page 65 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.8.4 TS Bases 3.8.4 R0 R19 revised the Unit 1 TS Bases to reflect DC Sources - Operating DC Sources - Operating R19 (A12) changes to the Unit 1 TS approved by Unit 1 TS R56 A12 (allow online testing of diesel generator R66 batteries and performance of diesel generator 24 R69 (A54) hour endurance run). This change is to be applied to Unit 2.

AMENDMENT: 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.

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

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

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

Page 66 of 79

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

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

A45 This change is to be applied to Unit 2. [NOTE:

A76 later changed this.]

A76 NRC approved A45 via letter dated 09/08/2003.

AMENDMENT: B --------------------------------------------------------------------

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.

TS Bases 3.8.7 TS Bases 3.8.7 R0 R58 revised the Unit 1 TS Bases to reflect Inverters - Operating Inverters - Operating ----- changes to the Unit 1 TS approved by Unit 1 TS R58 (A45) A45 (require only one inverter for each of the four

instrument channels). This change is to be applied R67 to Unit 2.

R75 (A45) NRC approved A45 via letter dated 09/08/2003.

AMENDMENT: B ----- ----------------------------------------

R76 (A45) R67 revised the Unit 1 TS Bases to incorporate

changes to the Vital Inverters (DCN 51370). Refer R77 (A45) to changes for R58 (A45). This change is to be

applied to Unit 2.

R78 (A45)

R67 was provided to NRC via letter dated

09/16/2005.

(A76) ----------------------------------------

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.

Page 67 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.8.8 TS 3.8.8 A0 Inverters - Shutdown Inverters - Shutdown AMENDMENT:

TS Bases 3.8.8 TS Bases 3.8.8 R0 R58 revised the Unit 1 TS Bases to reflect Inverters - Shutdown Inverters - Shutdown R58 (A45) changes to the Unit 1 TS approved by Unit 1 TS R67 A45 (require only one inverter for each of the four R75 (A45) instrument channels). This change is to be applied R76 (A45) to Unit 2.

R77 (A45)

R78 (A45) NRC approved A45 via letter dated 09/08/2003.

AMENDMENT: ----------------------------------------

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.

TS 3.8.9 TS 3.8.9 A0 Distribution Systems - Distribution Systems -

Operating Operating AMENDMENT:

Page 68 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.8.9 TS Bases 3.8.9 R0 R33 revised the Unit 1 TS Bases to identify four Distribution Systems - Distribution Systems - R33 distribution boards primarily used for operational Operating Operating R67 convenience. This change is to be applied to Unit R75 (A45) 2.

R76 (A45)

R77 (A45) R33 was provided to NRC via letter dated R78 (A45) 03/27/2001.

AMENDMENT: ----------------------------------------

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.

TS 3.8.10 TS 3.8.10 A0 Distribution Systems - Distribution Systems -

Operating Operating AMENDMENT:

TS Bases 3.8.10 TS Bases 3.8.10 R0 Distribution Systems - Distribution Systems -

Shutdown Shutdown AMENDMENT:

TS 3.9.1 TS 3.9.1 A0 A55 amended the Unit 1 TS to change Boron Concentration Boron Concentration A55 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.

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

TS Bases 3.9.1 TS Bases 3.9.1 R0 R68 revised the Unit 1 TS Bases to reflect Boron Concentration Boron Concentration R68 (A55) 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 AMENDMENT: 2.

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

Page 69 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 3.9.2 TS 3.9.2 A0 A55 amended the Unit 1 TS to change Unborated Water Source Unborated Water Source A55 requirements for Mode changes limitation in LCOs Isolation Valves Isolation Valves 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.

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

TS Bases 3.9.2 TS Bases 3.9.2 R0 R68 revised the Unit 1 TS Bases to reflect Unborated Water Source Unborated Water Source R68 (A55) changes to TS approved by Unit 1 TS A55 (change Isolation Valves Isolation Valves 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 AMENDMENT: 2.

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

TS 3.9.3 TS 3.9.3 A0 Nuclear Instrumentation Nuclear Instrumentation AMENDMENT:

TS Bases 3.9.3 TS Bases 3.9.3 R0 Nuclear Instrumentation Nuclear Instrumentation AMENDMENT:

TS 3.9.4 TS 3.9.4 A0 A26 amended the Unit 1 TS to allow containment Containment Penetrations Containment Penetrations A26 personnel airlock and certain containment A35 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.

AMENDMENT: ----------------------------------------

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.

Page 70 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.9.4 TS Bases 3.9.4 R0 R37 revised the Unit 1 TS Bases to reflect Containment Penetrations Containment Penetrations R37 (A26) changes to the Unit 1 TS approved by Unit 1 TS R45 (A35) A26 (Allow containment personnel airlock and R46 certain containment penetrations to remain open R73 during refueling outage under appropriate R74 administrative controls.). This change is to be applied to Unit 2.

AMENDMENT:

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.

TS 3.9.5 TS 3.9.5 A0 Residual Heat Removal Residual Heat Removal (RHR) and Coolant (RHR) and Coolant Circulation - High Water Circulation - High Water Level Level AMENDMENT:

Page 71 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS Bases 3.9.5 TS Bases 3.9.5 R0 R23 revised the Unit 1 TS Bases to address RHR Residual Heat Removal Residual Heat Removal R23 pump alignment for refueling operations. This (RHR) and Coolant (RHR) and Coolant change is to be applied to Unit 2.

Circulation - High Water Circulation - High Water Level Level R23 was provided to NRC via letter dated 10/18/1999.

AMENDMENT:

TS 3.9.6 TS 3.9.6 A0 A55 amended the Unit 1 TS to change Residual Heat Removal Residual Heat Removal A55 requirements for Mode changes limitation in LCOs (RHR) and Coolant (RHR) and Coolant and SRs. This change is to be applied to Unit 2.

Circulation - Low Water Circulation - Low Water Level Level NRC approved A55 via letter dated 03/03/2005.

AMENDMENT:

TS Bases 3.9.6 TS Bases 3.9.6 R0 R68 revised the Unit 1 TS Bases to reflect Residual Heat Removal Residual Heat Removal R68 (A55) changes to TS approved by Unit 1 TS A55 (change (RHR) and Coolant (RHR) and Coolant requirements for Mode changes limitation in LCOs Circulation - Low Water Circulation - Low Water and SRs). This change is NOT needed for Unit 2; Level Level the revision made the Unit 1 TS Bases agree with R0 of the STS Bases.

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

AMENDMENT:

TS 3.9.7 TS 3.9.7 A0 A35 amended the Unit 1 TS to eliminate ESF Refueling Cavity Water Refueling Cavity Water A35 operability requirements that do not involve the Level Level movement of irradiated fuel during core alterations (part of TSTF-51, Revision 2). This change is to be applied to Unit 2.

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

AMENDMENT:

TS Bases 3.9.7 TS Bases 3.9.7 R0 R45 revised the Unit 1 TS Bases to reflect Refueling Cavity Water Refueling Cavity Water R45 (A35) changes to the Unit 1 TS approved by Unit 1 TS Level Level R55 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.

AMENDMENT: 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.

Page 72 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 4.1 TS 4.1 A0 A6 amended the Unit 1 TS to increase the spent Site Site A06 fuel storage capacity. This change is to be applied to Unit 2.

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

AMENDMENT:

TS 4.2 TS 4.2 A0 A8 amended the Unit 1 TS to provide for insertion Reactor Core Reactor Core ----- of Lead Test Assemblies containing Tritium A08 Producing Burnable Absorber Rods (TPBARs)

during Cycle 2. TPBARS will NOT be used on Unit A40 2.

A48 NRC approved A8 via letter dated 09/15/1997.

AMENDMENT: B ----- ----------------------------------------

A67 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 A77 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.

Page 73 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 4.3 TS 4.3 A0 A6 amended the Unit 1 TS to increase the spent Fuel Storage Fuel Storage A06 fuel storage capacity. This change is to be applied A15 to Unit 2.

A40 NRC approved A6 via letter dated 07/28/1997.

A15 amended the Unit 1 TS to allow Changes in %

AMENDMENT: 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.

TS 5.1 TS 5.1 A0 A49 amended the Unit 1 TS to incorporate TS Responsibility Responsibility A49 Task Force (TSTF) Travelers 258, R4; 299, R0; and 308, R1. This change is to be applied to Unit 2.

NRC approved A49 via letter dated 11/13/2003.

AMENDMENT:

TS 5.2 TS 5.2 A0 A4 amended the Unit 1 TS to modify Operations Organization Organization ----- Manager Requirements (no longer requires the A04 Operations Manager to hold or have held an SRO;

revises the TS to indicate that the Operations A49 Superintendent will hold an SRO license) This

change is to be applied to Unit 2.

AMENDMENT: B A83 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.

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Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 5.3 TS 5.3 A0 A49 amended the Unit 1 TS to incorporate TS Unit Staff Qualifications Unit Staff Qualifications A49 Task Force (TSTF) Travelers 258, R4; 299, R0; and 308, R1. This change is to be applied to Unit 2.

NRC approved A49 via letter dated 11/13/2003.

AMENDMENT:

TS 5.4 TS 5.4 A0 Training Training AMENDMENT:

TS 5.5 TS 5.5 A0 Reviews and Audits Reviews and Audits AMENDMENT:

TS 5.6 TS 5.6 A0 A32 amended Unit 1 TS 5.6, Technical Technical Specifications Technical Specifications A32 Specification (TS) Bases Control Program, to (TS) Bases Control (TS) Bases Control adopt Technical Specification Task Force (TSTF)

Program Program 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

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 5.7 TS 5.7 A0 A5 amended the Unit 1 TS to Allow Appendix J, Procedures, Programs, and Procedures, Programs, and A05 Option B Testing. This change is to be applied to Manuals Manuals A27 Unit 2.

A34 A38 NRC approved A5 via letter dated 05/27/1997.

A44 ----------------------------------------

A49 A27 amended the Unit 1 TS to approve use of an AMENDMENT: A63 alternate repair criterion (F*) in the tubesheet A65 region of the steam generator. This change will A66 NOT be applied to Unit 2 at this time.

A70 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.

Page 76 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS A70 amended the Unit 1 TS to adopt TSTF Change Traveler TSTF-448, R3: Control Room Envelope Habitability. This change is to be applied to Unit 2.

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

TS 5.8 TS 5.8 A0 Safety Function Safety Function Determination Program Determination Program (SFDP) (SFDP)

AMENDMENT:

Page 77 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS TS 5.9 TS 5.9 A0 A7 amended the Unit 1 TS to reflect changes due Reporting Requirements Reporting Requirements A07 to Cycle 2 Core Reload Changes. The changes A09 remain valid for and will be applied to Unit 2.

A11 A20 NRC approved A7 via letter dated 09/11/1997.

A21 ----------------------------------------

A27 A9 amended the Unit 1 TS to incorporate the use AMENDMENT: A31 of Code Case N 514 into the methodology for the A38 WBN Pressure Temperature Limits Report. This A46 change is to be applied to Unit 2.

A49 A57 NRC approved A9 via letter dated 10/21/1997.

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

A11 amended the Unit 1 TS to replace the 2%

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

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

A20 amended the Unit 1 TS to change the TS analytical methods for core operating limits to implement an analysis supporting a more negative moderator temperature coefficient for the end of cycle, rated thermal power condition. This change is to be applied to Unit 2.

NRC approved A20 via letter dated 03/14/2000.

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

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

A27 amended the Unit 1 TS to approve use of an alternate repair criterion (F*) in the tubesheet region of the steam generator. This change will NOT be implemented on Unit 2 at this time NRC approved A27 via letter dated 09/08/2000.

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

This change will NOT be implemented on Unit 2 at this time.

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

A38 amended the Unit 1 TS to incorporate voltage-based Alternate Repair Criteria for steam generator tubes. This change will NOT be applied to Unit 2 at this time.

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

A46 amended the Unit 1 TS to allow use of W 17X17 fuel design with Intermediate flow mixers.

The changes remain valid for and will be applied to Unit 2.

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

Page 78 of 79

Revision 0 WBN UNIT 2 STS / BASES TS / TS BASES WBN UNIT 1 SUBSECTION / TITLE SUBSECTION / TITLE APPROVAL COMMENTS A49 amended the Unit 1 TS to incorporate TS Task Force (TSTF) Travelers 258, R4; 299, R0; and 308, R1. This change is to be applied to Unit 2.

NRC approved A49 via letter dated 11/13/2003.

A57 amended the Unit 1 TS eliminate requirements to submit monthly operating reports and annual occupational radiation exposure reports. This change is to be applied to Unit 2.

NRC approved A57 via letter dated 03/21/2005.

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

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

TS 5.10 TS 5.10 A0 Record Retention Record Retention AMENDMENT:

TS 5.11 TS 5.11 A0 A49 amended the Unit 1 TS to incorporate TS High Radiation Area High Radiation Area A49 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

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