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{{#Wiki_filter:Feb. 03, 2016 Page 1 of 2 MAJMUAL HARD COPY DISTRIBUTION DOCUMENT TRANSMITTAL 2016-3952 USER INFORMATION:
{{#Wiki_filter:Feb. 03, 2016 Page      1    of  2 MAJMUAL HARD COPY DISTRIBUTION DOCUMENT TRANSMITTAL 2016-3952 USER INFORMATION:
GERLACH*ROSEY N EMPL#:028401 CA
GERLACH*ROSEY N          EMPL#:028401    CA#:  0363 Address: NUCSA2 Phone#:  254-3194 TRANSMITTAL INFORMATION:
TO:    GERLACH*ROSEY 14        02/03/2 016 LOCATION:  USNRC FROM:  NUCLEAR RECORDS DOCUMENT CONTROL CENTER (NUCSA-2)
THE FOLLOWING
Maintaining SClVs OPERABLE with isolation times within limits ensures that fission products will remain trapped inside secondary containment so that they can be treated by the SGT System prior to discharge to the environment.
Maintaining SClVs OPERABLE with isolation times within limits ensures that fission products will remain trapped inside secondary containment so that they can be treated by the SGT System prior to discharge to the environment.
SCl Vs satisfy Criterion 3 of the NRC Policy Statement (Ref. 3).LCO SClVs that form a part of the secondary containment boundary are required to be OPERABLE.
SCl Vs satisfy Criterion 3 of the NRC Policy Statement (Ref. 3).
Depending on the configuration of the secondary containment only specific SCIVs are required.
LCO            SClVs that form a part of the secondary containment boundary are required to be OPERABLE. Depending on the configuration of the secondary containment only specific SCIVs are required. The SCIV safety function is related to control of offsite radiation releases resulting from DBAs.
The SCIV safety function is related to control of offsite radiation releases resulting from DBAs.The automatic isolation valves are considered OPERABLE when their isolation times are within limits and the valves actuate on an automatic isolation signal. The valves covered by this LCO, along with their associated stroke times, are listed in Table B 3.6.4.2-1.
The automatic isolation valves are considered OPERABLE when their isolation times are within limits and the valves actuate on an automatic isolation signal. The valves covered by this LCO, along with their associated stroke times, are listed in Table B 3.6.4.2-1.
The normally closed isolation valves or blind flanges are considered OPERABLE when manual valves
The normally closed isolation valves or blind flanges are considered OPERABLE when manual valves are closed or open in accordance with appropriate administrative controls, automatic SClVs are deactivated and secured in their closed position, or blind flanges are in place. These passive isolation valves or devices are listed in Table B3.6.4.2-2. Penetrations closed with sealants are considered part of the secondary containment boundary and are not considered penetration flow paths.
 
Maintaining SCI Vs OPERABLE with isolation times within limits ensures that fission products will remain trapped inside secondary containment so that they can be treated by the SGT System prior to discharge .to the environment.
Maintaining SCI Vs OPERABLE with isolation times within limits ensures that fission products will remain trapped inside secondary containment so that they can be treated by the SGT System prior to discharge .to the environment.
SCI Vs satisfy Criterion 3 of the NRC Policy Statement (Ref. 3).LCO SClVs that form a part of the secondary containment boundary are required to be OPERABLE.
SCI Vs satisfy Criterion 3 of the NRC Policy Statement (Ref. 3).
Depending on the configuration of the secondary containment only specific SCI Vs are required.
LCO          SClVs that form a part of the secondary containment boundary are required to be OPERABLE. Depending on the configuration of the secondary containment only specific SCI Vs are required. The SCIV safety function is related to control of offsite radiation releases resulting from DBAs.
The SCIV safety function is related to control of offsite radiation releases resulting from DBAs.The automatic isolation valves are considered OPERABLE when their isolation times are within limits and the valves actuate on an automatic isolation signal. The valves covered by this LCO, along with their associated stroke times, are listed in Table B 3.6.4.2-1.
The automatic isolation valves are considered OPERABLE when their isolation times are within limits and the valves actuate on an automatic isolation signal. The valves covered by this LCO, along with their associated stroke times, are listed in Table B 3.6.4.2-1.
The normally closed isolation valves or blind flanges are considered OPERABLE when manual valves
The normally closed isolation valves or blind flanges are considered OPERABLE when manual valves are closed or open in accordance with appropriate administrative controls, automatic SCIVs are deactivated and secured in their closed position, or blind flanges are in place. These passive isolation valves or devices are listed in Table B3.6.4.2-2. Penetrations closed with sealants are considered part of
Maintaining SClVs OPERABLE with isolation times within limits ensures that fission products will remain trapped inside secondary containment so that they can be treated by the SGT System prior to discharge to the environment.
Maintaining SClVs OPERABLE with isolation times within limits ensures that fission products will remain trapped inside secondary containment so that they can be treated by the SGT System prior to discharge to the environment.
SCl Vs satisfy Criterion 3 of the NRC Policy Statement (Ref. 3).LCO SClVs that form a part of the secondary containment boundary are required to be OPERABLE.
SCl Vs satisfy Criterion 3 of the NRC Policy Statement (Ref. 3).
Depending on the configuration of the secondary containment only specific SCIVs are required.
LCO            SClVs that form a part of the secondary containment boundary are required to be OPERABLE. Depending on the configuration of the secondary containment only specific SCIVs are required. The SCIV safety function is related to control of offsite radiation releases resulting from DBAs.
The SCIV safety function is related to control of offsite radiation releases resulting from DBAs.The automatic isolation valves are considered OPERABLE when their isolation times are within limits and the valves actuate on an automatic isolation signal. The valves covered by this LCO, along with their associated stroke times, are listed in Table B 3.6.4.2-1.
The automatic isolation valves are considered OPERABLE when their isolation times are within limits and the valves actuate on an automatic isolation signal. The valves covered by this LCO, along with their associated stroke times, are listed in Table B 3.6.4.2-1.
The normally closed isolation valves or blind flanges are considered OPERABLE when manual valves
The normally closed isolation valves or blind flanges are considered OPERABLE when manual valves are closed or open in accordance with appropriate administrative controls, automatic SClVs are deactivated and secured in their closed position, or blind flanges are in place. These passive isolation valves or devices are listed in Table B3.6.4.2-2. Penetrations closed with sealants are considered part of the secondary containment boundary and are not considered penetration flow paths.
 
Maintaining SCI Vs OPERABLE with isolation times within limits ensures that fission products will remain trapped inside secondary containment so that they can be treated by the SGT System prior to discharge .to the environment.
Maintaining SCI Vs OPERABLE with isolation times within limits ensures that fission products will remain trapped inside secondary containment so that they can be treated by the SGT System prior to discharge .to the environment.
SCI Vs satisfy Criterion 3 of the NRC Policy Statement (Ref. 3).LCO SClVs that form a part of the secondary containment boundary are required to be OPERABLE.
SCI Vs satisfy Criterion 3 of the NRC Policy Statement (Ref. 3).
Depending on the configuration of the secondary containment only specific SCI Vs are required.
LCO           SClVs that form a part of the secondary containment boundary are required to be OPERABLE. Depending on the configuration of the secondary containment only specific SCI Vs are required. The SCIV safety function is related to control of offsite radiation releases resulting from DBAs.
The SCIV safety function is related to control of offsite radiation releases resulting from DBAs.The automatic isolation valves are considered OPERABLE when their isolation times are within limits and the valves actuate on an automatic isolation signal. The valves covered by this LCO, along with their associated stroke times, are listed in Table B 3.6.4.2-1.
The automatic isolation valves are considered OPERABLE when their isolation times are within limits and the valves actuate on an automatic isolation signal. The valves covered by this LCO, along with their associated stroke times, are listed in Table B 3.6.4.2-1.
The normally closed isolation valves or blind flanges are considered OPERABLE when manual valves are closed or open in accordance with appropriate administrative controls, automatic SCIVs are deactivated and secured in their closed position, or blind flanges are in place. These passive isolation valves or devices are listed in Table B3.6.4.2-2.
The normally closed isolation valves or blind flanges are considered OPERABLE when manual valves are closed or open in accordance with appropriate administrative controls, automatic SCIVs are deactivated and secured in their closed position, or blind flanges are in place. These passive isolation valves or devices are listed in Table B3.6.4.2-2. Penetrations closed with sealants are considered part of the secondary containment boundary and are not considered penetration flow paths.
Penetrations closed with sealants are considered part of the secondary containment boundary and are not considered penetration flow paths.Certain plant piping systems (e.g., Service Water, RHR Service Water, Emergency Service Water, Feedwater, etc.) penetrate the secondary containment boundary.
Certain plant piping systems (e.g., Service Water, RHR Service Water, Emergency Service Water, Feedwater, etc.) penetrate the secondary containment boundary. The intact piping within secondary containment provides a passive barrier which maintains secondary containment requirements. When the SDHR and temporary chiller system piping is connected and full of water, the piping forms the secondary containment boundary and the passive devices in TS Bases Table B3.6.4.2-2 are no longer required for these systems since the piping forms the barrier. During certain plant evolutions, piping systems may be drained and breached within secondary containment. During the pipe breach, system isolation valves can be used to provide secondary containment isolation. The isolation valve alignment will be controlled when the piping system is breached.
The intact piping within secondary containment provides a passive barrier which maintains secondary containment requirements.
(continued)
When the SDHR and temporary chiller system piping is connected and full of water, the piping forms the secondary containment boundary and the passive devices in TS Bases Table B3.6.4.2-2 are no longer required for these systems since the piping forms the barrier. During certain plant evolutions, piping systems may be drained and breached within secondary containment.
SUSQUEHANNA -UNIT   2               TS/B6-1Rvso3
During the pipe breach, system isolation valves can be used to provide secondary containment isolation.
                                          / B 3.6-91                               Revision 3
The isolation valve alignment will be controlled when the piping system is breached.(continued)
 
SUSQUEHANNA -UNIT 2 /B6-1Rvso3 TS / B 3.6-91 Revision 3 Rev. 10 SCIVs B 3.6.4.2 BASES (continued)
Rev. 10 SCIVs B 3.6.4.2 BASES (continued)
APPLICABILITY In MODES 1, 2, and 3, a DBA could lead to a fission product release to the primary containment that leaks to the secondary containment.
APPLICABILITY   In MODES 1, 2, and 3, a DBA could lead to a fission product release to the primary containment that leaks to the secondary containment. Therefore, the OPERABILITY of SClVs is required.
Therefore, the OPERABILITY of SClVs is required.In MODES 4 and 5, the probability and consequences of these events are reduced due to pressure and temperature limitations in these MODES.Therefore, maintaining SCIVs OPERABLE is not required in MODE 4 or 5, except for other situations under which significant radioactive releases can be postulated, such as during operations with a potential for draining the reactor vessel (OPDRVs), during CORE ALTERATIONS, or during movement of irradiated fuel assemblies in the secondary containment.
In MODES 4 and 5, the probability and consequences of these events are reduced due to pressure and temperature limitations in these MODES.
Moving irradiated fuel assemblies in the secondary containment may also occur in MODES 1, 2, and 3.ACTIONS The ACTIONS are modified by three Notes. The first Note allows penetration flow paths to be unisolated intermittently under administrative controls.
Therefore, maintaining SCIVs OPERABLE is not required in MODE 4 or 5, except for other situations under which significant radioactive releases can be postulated, such as during operations with a potential for draining the reactor vessel (OPDRVs), during CORE ALTERATIONS, or during movement of irradiated fuel assemblies in the secondary containment.
These controls consist of stationing a dedicated operator, who is in continuous communication with the control room, at the controls of the isolation device. In this way, the penetration can be rapidly isolated when a need for secondary containment isolation is indicated.
Moving irradiated fuel assemblies in the secondary containment may also occur in MODES 1, 2, and 3.
The second Note provides clarification that for the purpose of this LCO separate Condition entry is allowed for each penetration flow path. This is acceptable, since the Required Actions for each Condition provide appropriate compensatory actions for each inoperable SCIV. Complying with the Required Actions may allow for continued operation, and subsequent inoperable SCIVs are governed by subsequent Condition entry and application of associated Required Actions.The third Note ensures appropriate remedial actions are taken, if necessary, if the affected system(s) are rendered inoperable by an inoperable SCIV.A.1 and A.2 In the event that there are one or more required penetration flow paths with one required SCIV inoperable, the affected penetration flow path(s) must be isolated.
ACTIONS         The ACTIONS are modified by three Notes. The first Note allows penetration flow paths to be unisolated intermittently under administrative controls. These controls consist of stationing a dedicated operator, who is in continuous communication with the control room, at the controls of the isolation device. In this way, the penetration can be rapidly isolated when a need for secondary containment isolation is indicated.
The method of isolation must include the use of at least one isolation barrier that cannot be adversely affected by a single active failure.Isolation barriers that meet this criterion are a closed and de-activated automatic SCIV, a closed manual valve, and a blind flange. For penetrations isolated in (continued)
The second Note provides clarification that for the purpose of this LCO separate Condition entry is allowed for each penetration flow path. This is acceptable, since the Required Actions for each Condition provide appropriate compensatory actions for each inoperable SCIV. Complying with the Required Actions may allow for continued operation, and subsequent inoperable SCIVs are governed by subsequent Condition entry and application of associated Required Actions.
SUSQUEHANNA  
The third Note ensures appropriate remedial actions are taken, if necessary, if the affected system(s) are rendered inoperable by an inoperable SCIV.
-UNIT 2 T .-2Rvso TS / B 3.6-92 Revision 2 Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS A.1 and A.2 (continued) accordance with Required Action A.1, the device used to isolate the penetration should be the closest available device to secondary containment.
A.1 and A.2 In the event that there are one or more required penetration flow paths with one required SCIV inoperable, the affected penetration flow path(s) must be isolated. The method of isolation must include the use of at least one isolation barrier that cannot be adversely affected by a single active failure.
The Required Action must be completed within the 8 hour Completion Time. The specified time period is reasonable considering the time required to isolate the penetration, and the probability of a DBA, which requires the SCIVs to close, occurring during this short time is very low.For affected penetrations that have been isolated in accordance with Required Action A.1, the affected penetration must be verified to be isolated on a periodic basis. This is necessary to ensure that secondary containment penetrations required to be isolated following an accident, but no longer capable of being automatically isolated, will be in the isolation position should an event occur. The Completion Time of once per 31 days is appropriate because the valves are operated under administrative controls and the probability of their misalignment is low. This Required Action does not require any testing or device manipulation.
Isolation barriers that meet this criterion are a closed and de-activated automatic SCIV, a closed manual valve, and a blind flange. For penetrations isolated in (continued)
Rather, it involves verification that the affected penetration remains isolated.Condition A is modified by a Note indicating that this Condition is only applicable to those penetration flow paths with two SCIVs. For penetration flow paths with one SCIV, Condition C provides the appropriate Required Actions.Required Action A.2 is modified by a Note that applies to devices located in high radiation areas and allows them to be verified closed by use of administrative controls.
SUSQUEHANNA   - UNIT 2                 T / B 3.6-92 TS      .- 2Rvso                            Revision 2
Allowing verification by administrative controls is considered acceptable, since access to these areas is typically restricted.
 
Therefore, the probability of misalignment, once they have been verified to be in the proper position, is low.B.1I With two SCIVs in one or more penetration flow paths inoperable, the affected penetration flow path must be isolated within 4 hours. The method of isolation must (continued)
Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS       A.1 and A.2 (continued) accordance with Required Action A.1, the device used to isolate the penetration should be the closest available device to secondary containment. The Required Action must be completed within the 8 hour Completion Time. The specified time period is reasonable considering the time required to isolate the penetration, and the probability of a DBA, which requires the SCIVs to close, occurring during this short time is very low.
SUSQUEHANNA  
For affected penetrations that have been isolated in accordance with Required Action A.1, the affected penetration must be verified to be isolated on a periodic basis. This is necessary to ensure that secondary containment penetrations required to be isolated following an accident, but no longer capable of being automatically isolated, will be in the isolation position should an event occur. The Completion Time of once per 31 days is appropriate because the valves are operated under administrative controls and the probability of their misalignment is low. This Required Action does not require any testing or device manipulation. Rather, it involves verification that the affected penetration remains isolated.
-UNIT 2TSB.-3Rvso TS / B 3.6-93 Revision 1 Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS B.1 (continued) include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic valve, a closed manual valve, and a blind flange. The 4 hour Completion Time is reasonable considering the time required to isolate the penetration and the probability of a DBA, which requires the SCIVs to close, occurring during this short time, is very low.The Condition has been modified by a Note stating that Condition B is only applicable to penetration flow paths with two isolation valves. For penetration flow paths with one SCIV, Condition C provides the appropriate Required Actions.C.1 and C.2 With one or more required penetration flow paths with one required SCIV inoperable, the inoperable valve must be restored to OPERABLE status or the affected penetration flow path must be'isolated.
Condition A is modified by a Note indicating that this Condition is only applicable to those penetration flow paths with two SCIVs. For penetration flow paths with one SCIV, Condition C provides the appropriate Required Actions.
The method of isolation must include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic valve, a closed manual valve, and a blind flange. A check valve may not be used to isolate the affected penetration.
Required Action A.2 is modified by a Note that applies to devices located in high radiation areas and allows them to be verified closed by use of administrative controls. Allowing verification by administrative controls is considered acceptable, since access to these areas is typically restricted.
Required Action C.1 must be completed within the 4 hour Completion Time. The Completion Time of 4 hours is reasonable considering the relative stability of the system (hence, reliability) to act as a penetration isolation boundary and the relative importance of supporting secondary containment OPERABILITY during MODES 1, 2, and 3.In the event the affected penetration flow path is isolated in accordance with Required Action C.1, the affected penetration must be verified to be isolated on a periodic basis. This is necessary to ensure that secondary containment penetrations required to be isolated following an accident are isolated.The Completion Time of once per 31 days for verifying each affected penetration is isolated is appropriate because the (continued)
Therefore, the probability of misalignment, once they have been verified to be in the proper position, is low.
SUSQUEHANNA  
B.1I With two SCIVs in one or more penetration flow paths inoperable, the affected penetration flow path must be isolated within 4 hours. The method of isolation must (continued)
-UNIT 2TSB6-4RvsoI TS / B 3.6-94 Revision 1 Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS C.1 and C.2 (continued) valves are operated under administrative controls and the probability of their misalignment is low.Condition C is modified by a Note indicating that this Condition is only applicable to penetration flow paths with only one SCIV. For penetration flow paths with two SCIVs, Conditions A and B provide the appropriate Required Actions.Required Action C.2 is modified by a Note that applies to valves and blind flanges located in high radiation areas and allows them to be verified by use of administrative means. Allowing verification by administrative means is considered acceptable, since access to these areas is typically restricted.
SUSQUEHANNA - UNIT 2TSB.-3Rvso TS / B 3.6-93                                       Revision 1
Therefore, the probability of misalignment of these valves, once they have been verified to be in the proper position, is low.D.1 and D.2 If any Required Action and associated Completion Time cannot be met, the plant must be brought to a MODE in which the LCO does not apply. To achieve this status, the plant must be brought to at least MODE 3 within 12 hours and to MODE 4 within 36 hours. The allowed Completion Times are reasonable, based on operating experience, to reach the required plant conditions from full power conditions in an orderly manner and without challenging plant systems.E.1. E.2, and E.3 If any Required Action and associated Completion Time are not met, the plant must be placed in a condition in which the LCO does not apply. If applicable, CORE ALTERATIONS and the movement of irradiated fuel assemblies in the secondary containment must be immediately suspended.
 
Suspension of these activities shall not preclude completion of movement of a component to a safe position.
Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS       B.1 (continued) include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic valve, a closed manual valve, and a blind flange. The 4 hour Completion Time is reasonable considering the time required to isolate the penetration and the probability of a DBA, which requires the SCIVs to close, occurring during this short time, is very low.
Also, if applicable, actions must be immediately initiated to suspend OPDRVs in order to minimize the probability of a vessel draindown and the subsequent potential for fission product release. Actions must continue until OPDRVs are suspended.(continued)
The Condition has been modified by a Note stating that Condition B is only applicable to penetration flow paths with two isolation valves. For penetration flow paths with one SCIV, Condition C provides the appropriate Required Actions.
SUSQUEHANNA -UNIT 2 TI36-5Rvso TS / B 3.6-95 Revision 1 Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS E.1, E.2, and E.3 (continued)
C.1 and C.2 With one or more required penetration flow paths with one required SCIV inoperable, the inoperable valve must be restored to OPERABLE status or the affected penetration flow path must be'isolated. The method of isolation must include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic valve, a closed manual valve, and a blind flange. A check valve may not be used to isolate the affected penetration. Required Action C.1 must be completed within the 4 hour Completion Time. The Completion Time of 4 hours is reasonable considering the relative stability of the system (hence, reliability) to act as a penetration isolation boundary and the relative importance of supporting secondary containment OPERABILITY during MODES 1, 2, and 3.
Required Action E.1 has been modified by a Note stating that LCO 3.0.3 is not applicable.
In the event the affected penetration flow path is isolated in accordance with Required Action C.1, the affected penetration must be verified to be isolated on a periodic basis. This is necessary to ensure that secondary containment penetrations required to be isolated following an accident are isolated.
If moving irradiated fuel assemblies while in MODE 4 or 5, LCO 3.0.3 would not specify any action. If moving fuel while in MODE 1, 2, or 3, the fuel movement is independent of reactor operations.
The Completion Time of once per 31 days for verifying each affected penetration is isolated is appropriate because the (continued)
Therefore, in either case, inability to suspend movement of irradiated fuel*assemblies would not be a sufficient reason to require a reactor shutdown.SURVEILLANCE REQUIREMENTS SR 3.6.4.2.1 This SR verifies that each secondary containment manual isolation valve and blind flange that is required to be closed during accident conditions is closed. The SR helps to ensure that post accident leakage of radioactive fluids or gases outside of the secondary containment boundary is within design limits. This SR does not require any testing or valve manipulation.
SUSQUEHANNA - UNIT 2TSB6-4RvsoITS / B 3.6-94                                         Revision 1
Rather, it involves verification (typically visual) that those required SCI Vs in secondary containment that are capable of being mispositioned are in the correct position.Since these SCI Vs are readily accessible to personnel during normal operation and verification of their position is relatively easy, the 31 day Frequency was chosen to provide added assurance that the SCIVs are in the correct positions.
 
Two Notes have been added to this SR. The first Note applies to valves and blind flanges located in high radiation areas and allows them to be verified by use of administrative controls.
Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS     C.1 and C.2 (continued) valves are operated under administrative controls and the probability of their misalignment is low.
Allowing verification by administrative controls is considered acceptable, since access to these areas is typically restricted during MODES 1, 2, and 3 for ALARA reasons. Therefore, the probability of misalignment of these SCIVs, once they have been verified to be in the proper position, is low.A second Note has been included to clarify that SCIVs that are open under administrative controls are not required to meet the SR during the time the SCIVs are open.(continued)
Condition C is modified by a Note indicating that this Condition is only applicable to penetration flow paths with only one SCIV. For penetration flow paths with two SCIVs, Conditions A and B provide the appropriate Required Actions.
SUSQUEHANNA  
Required Action C.2 is modified by a Note that applies to valves and blind flanges located in high radiation areas and allows them to be verified by use of administrative means. Allowing verification by administrative means is considered acceptable, since access to these areas is typically restricted.
-UNIT 2 T .-6Rvso TS / B 3.6-96 Revision 2 Rev. 10 SCIVs B 3.6.4.2 BASES SURVEILLANCE REQUIREMENTS (continued)
Therefore, the probability of misalignment of these valves, once they have been verified to be in the proper position, is low.
SR 3.6.4.2.2 301IVs with maximum isolation times specified in Table B 3.6.2.4-1 are tested every 92 days to verify that the isolation time is within limits to demonstrate OPERABILITY.
D.1 and D.2 If any Required Action and associated Completion Time cannot be met, the plant must be brought to a MODE in which the LCO does not apply. To achieve this status, the plant must be brought to at least MODE 3 within 12 hours and to MODE 4 within 36 hours. The allowed Completion Times are reasonable, based on operating experience, to reach the required plant conditions from full power conditions in an orderly manner and without challenging plant systems.
Automatic SCIVs without maximum isolation times specified in Table B 3.6.4.2-1 are tested under the requirements of SR 3.6.4.2.3.
E.1. E.2, and E.3 If any Required Action and associated Completion Time are not met, the plant must be placed in a condition in which the LCO does not apply. If applicable, CORE ALTERATIONS and the movement of irradiated fuel assemblies in the secondary containment must be immediately suspended.
The isolation time test ensures that the SCIV will isolate in a time period less than or equal to that assumed in the safety analyses.SR 3.6.4.2.3 Verifying that each automatic required SCIV closes on a secondary containment isolation signal is required to prevent leakage of radioactive material from secondary containment following a DBA or other accidents.
Suspension of these activities shall not preclude completion of movement of a component to a safe position. Also, if applicable, actions must be immediately initiated to suspend OPDRVs in order to minimize the probability of a vessel draindown and the subsequent potential for fission product release. Actions must continue until OPDRVs are suspended.
This SR ensures that each automatic SCIV will actuate to the isolation position on a secondary containment isolation signal. The LOGIC SYSTEM FUNCTIONAL TEST in SR 3.3.6.2.5 overlaps this SR to provide complete testing of the safety function.
(continued)
The 24 month Frequency is based on the need to perform this Surveillance under the conditions that apply during a plant outage and the potential for an unplanned transient if the Surveillance were performed with the reactor at power. Operating experience has shown these components usually pass the Surveillance when performed at the 24 month Frequency.
SUSQUEHANNA -UNIT   2               TI36-5Rvso TS / B 3.6-95                               Revision 1
Therefore, the Frequency was concluded to be acceptable from a reliability standpoint.
 
REFERENCES
Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS         E.1, E.2, and E.3 (continued)
: 1. FSAR, Section 6.2.2. FSAR, Section 15.3. Final Policy Statement on Technical Specifications Improvements, July 22, 1993 (58 FR 39132).SUSQUEHANNA -UNIT 2 T .-7Rvso TS / B 3.6-97 -Revision 1 Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-1 Secondary Containment Ventilation System Automatic Isolation Dampers (Page 1 of 1)Reactor IMaximurn Bulig Valve Number Valve Description Type of Valve Isolation Buildng ITime Zone j________________(Seconds)
Required Action E.1 has been modified by a Note stating that LCO 3.0.3 is not applicable. If moving irradiated fuel assemblies while in MODE 4 or 5, LCO 3.0.3 would not specify any action. If moving fuel while in MODE 1, 2, or 3, the fuel movement is independent of reactor operations.
I HD-1 7586 A&B Supply System Dampers Automatic Isolation Damper 10.0 n D-1 7524 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 10.0 I HD-17576A&B Unfiltered Exhaust System Automatic Isolation Damper 10.0 II HD-27586 A&B Supply System Dampers Automatic Isolation Damper 10.0 II HD-27524 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 10.0 II HD-27576 A&B Unfiltered Exhaust System Automatic Isolation Damper 10.0 IIl HD-1 7564 A&B Supply System Dampers Automatic Isolation Damper 14.0 Ill HD-1 7514 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 6.5 Ill HD-1 7502 A&B Unfiltered Exhaust System Automatic Isolation Damper 6.0 I1l HD-27564 A&B Supply System Dampers Automatic Isolation Damper 14.0 Ill HD-27514 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 6.5 III HD-27502 A&B Unfiltered Exhaust System Automatic Isolation Damper 6.0 N/A HD-17534A Zone Arlok166AtmtcIoainDme  
Therefore, in either case, inability to suspend movement of irradiated fuel
/N/A HO-1 7534B *Zone 3 Airlock 1-611 Automatic Isolation Damper N/A N/A HD-1 75340 Zone 3 Airlock 1-603 Automatic Isolation Damper N/A N/A HD-17534E Zone 3 Airlock 1-805 Automatic Isolation Damper N/A N/A HD-I17534F Zone 3 Airlock 1-617 Automatic Isolation Damper N/A N/A HD-17534H Zone 3 Airlock 1-618 Automatic Isolation Damper N/A N/A HD-17534A Zone 3 Airlock 11-606 Automatic Isolation Damper N/A N/A HD-27534D Zone 3 Airlock 11-803 Automatic Isolation Damper N/A N/A HD-27534E Zone 3 Airlock 11-805 Automatic Isolation Damper N/A N/A HD-27534G Zone 3 Airlock 11-806 Automatic Isolation Damper N/A N/A HD-27534H Zone 3 Airlock C1-186 Automatic Isolation Damper N/A N/A HD-27534H Zone 3 Airlock 11-608 Automatic Isolation Damper N/A SUSQUEHANNA  
                *assemblies would not be a sufficient reason to require a reactor shutdown.
-UNIT 2 T .-8Rvso TS / B 3.6-98 Revision 2 Rev. 10 SCI Vs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 1 of 4)Device Number jDevice Description JArea/Elev.
SURVEILLANCE     SR 3.6.4.2.1 REQUIREMENTS This SR verifies that each secondary containment manual isolation valve and blind flange that is required to be closed during accident conditions is closed. The SR helps to ensure that post accident leakage of radioactive fluids or gases outside of the secondary containment boundary is within design limits. This SR does not require any testing or valve manipulation.
[Required Position / Notes X-29-2-44 SDHR System to Fuel Pool Cooling Yard/670 Blind Flanged I Note 1 X-29-2-45 SDHR System to Fuel Pool Cooling Yard/670 Blind Flanged / Note 1 110176 SDHR Supply Drain Vlv 29/670 Closed Manual Iso Valve / Note 1 110186 SDHR Discharge Drain Vlv 29/670 Closed Manual iso Valve/ Note 1 110180 SDHR Supply Vent Vlv 29/749 Closed Manual Iso Valve!/ Note 1 110181 SDHR Discharge Fill Vlv 27/7/49 Closed Manual Iso Valve / Note 1 110182 SDH R Discharge Vent Vlv 27/749 Closed Manual iso Valve!/ Note 1 110187 SDHR Supply Fill Vlv 29/749 Closed Manual iso Valve / Note 1'210186 SDHR Supply Drain Vlv 33/749 Closed Manual Iso Valve / Note 1 210187 SDHR Supply Vent Vlv 33/749 Closed Manual Iso Valve!/ Note 1 210191 SDHR Discharge Vent Vlv 30/749 Closed Manual Iso Valve!/ Note 1 210192 SDHR Discharge Drain Vlv 30/749 Closed Manual Iso Valve / Note 1 210193 SDHR Discharge Vent Vlv 33/749 Closed Manual Iso Valve / Note 1 X-29-2-46 Temporary Chiller to RBCW Yard/670 Blind Flanged!/
Rather, it involves verification (typically visual) that those required SCI Vs in secondary containment that are capable of being mispositioned are in the correct position.
Note 2 X-29-2-47 Temporary Chiller to RBCW Yard/670 Blind Flanged!/
Since these SCI Vs are readily accessible to personnel during normal operation and verification of their position is relatively easy, the 31 day Frequency was chosen to provide added assurance that the SCIVs are in the correct positions.
Note 2 X-29-5-95 Temporary Chiller to Unit 1 RBCW 29/749 Blind Flanged!/
Two Notes have been added to this SR. The first Note applies to valves and blind flanges located in high radiation areas and allows them to be verified by use of administrative controls. Allowing verification by administrative controls is considered acceptable, since access to these areas is typically restricted during MODES 1, 2, and 3 for ALARA reasons. Therefore, the probability of misalignment of these SCIVs, once they have been verified to be in the proper position, is low.
Note 2 X-29-5-96 Temporary Chiller to Unit 1 RBCW 29/749 Blind Flanged!I Note 2 X-29-5-91 Temporary Chiller to Unit 2 RBCW 33/749 Blind Flanged!/
A second Note has been included to clarify that SCIVs that are open under administrative controls are not required to meet the SR during the time the SCIVs are open.
Note 2 X-29-5-92 Temporary Chiller to Unit 2 RBCW 33/749 Blind Flanged!/
(continued)
Note 2 187388 RBCW Temp Chiller Discharge iso Vlv 29/670 Closed Manual iso Valve!/ Note 2 187389 RBCW Temp Chiller Supply iso Vlv 29/670 Closed Manual Iso Valve!/ Note 2 187390 RBCW Temp Chiller Supply Drain Vlv 29/670 Closed Manual Iso Valve!/ Note 2 187391 RBCW Temp Chiller Discharge Drain Vlv 29!670 Closed Manual iso Valve / Note 2 X-28-2-3000 Utility Penetration to Unit 1 East Stairwell Yard/670 Blind Flanged / Note 3 X-29-2-48 Utility Penetration to Unit 1 RR Bay Yard/670 Capped!/ Note 5 X.-33-2-3000 Utility Penetration to Unit 2 East Stairwell Yard!670 Blind Flanged f Note 4 X-28-2-3000 Utility Penetration to Unit 1 East Stairwell 28/670 Blind Flanged / Note 3 X-29-2-48 Utility Penetration to Unit 1 RR Bay 29/670 Capped!/ Note 5 X-33-2-3000 Utility Penetration to Unit 2 East Stairwell 33/670 Blind Flanged!/
SUSQUEHANNA - UNIT 2                 T / B 3.6-96 TS      .- 6Rvso                              Revision 2
Note 4 X-29-3-54 Utility Penetration to Unit I RBCCW Hx Area 27/683 BlindI Flanged I Note 6 X-29-3-55 Utility Penetration to Unit 1 RBCCW Hx Area 27/683 Blind Flanged!/
 
Note 6 X-29-5-97 Utility Penetration from Unit 1 RR Bay to Unit 2 33/749 Capped Elev. 749 X-27-6-92 Instrument Tubing Stubs 27/779' Capped X{-29-7-4 1" Spare Conduit Threaded Plug 29/818' Installed X-30-6-72 Instrument Tubing Stubs 30/779' Capped X-30-6-1 002 Stairwell  
Rev. 10 SCIVs B 3.6.4.2 BASES SURVEILLANCE   SR 3.6.4.2.2 REQUIREMENTS (continued)    301IVs with maximum isolation times specified in Table B 3.6.2.4-1 are tested every 92 days to verify that the isolation time is within limits to demonstrate OPERABILITY. Automatic SCIVs without maximum isolation times specified in Table B 3.6.4.2-1 are tested under the requirements of SR 3.6.4.2.3. The isolation time test ensures that the SCIV will isolate in a time period less than or equal to that assumed in the safety analyses.
#214 Rupture Disc 30/779' Installed Intact X-30-6-1 003 Airlock 11-609 Rupture Disc 30/779' Installed Intact X-25-6-1 008 Airlock 1-606 Rupture Disc 25/779' Installed Intact X-29-4-DI -B Penetration at Door 4330 29/719' Blind Flange Installed X-29-4-D1 -A Penetration at Door 4330 29/719' Blind Flange Installed X-29-4-D1 -B Penetration at Door 404 33/719' Blind Flange Installed X-29-4-D1 -A Penetration at Door 404 33/719' Blind Flange Installed SUSQUEHANNA-uNiT 2TSB6-9evso8 TS / B 3.6-99 Revision 8 Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2.
SR 3.6.4.2.3 Verifying that each automatic required SCIV closes on a secondary containment isolation signal is required to prevent leakage of radioactive material from secondary containment following a DBA or other accidents.
Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 2 of 4)Device Number jDevice Description 1Area/Elev.
This SR ensures that each automatic SCIV will actuate to the isolation position on a secondary containment isolation signal. The LOGIC SYSTEM FUNCTIONAL TEST in SR 3.3.6.2.5 overlaps this SR to provide complete testing of the safety function. The 24 month Frequency is based on the need to perform this Surveillance under the conditions that apply during a plant outage and the potential for an unplanned transient if the Surveillance were performed with the reactor at power. Operating experience has shown these components usually pass the Surveillance when performed at the 24 month Frequency. Therefore, the Frequency was concluded to be acceptable from a reliability standpoint.
Required Position / Notes HD17534C Airlock 1-707 Blind Flange 28/799' Blind Flange Installed HD27534C Airlock 11-707 Blind Flange 33/799' Blind Flange Installed XD-1 7513 Isolation damper for Railroad Bay Zone Ill HVAC 29/799' Position is dependent on Railroad Supply
REFERENCES     1. FSAR, Section 6.2.
* Bay alignment XD-1 7514 Isolation damper for Railroad Bay Zone I11 HVAC 29/719' Position is dependent on Railroad___________Exhaust Bay alignment XD-1 2301 PASS Air Flow Damper 11/729' Closed Damper XD-22301 PASS Air Flow Damper 22/729' Closed Damper 161827 HPCI Blowout Steam Vent Drain Valve 25/645' Closed Manual iso Valve / Note 3 161828 ROlC Blowout Steam Vent Drain Valve 28/645' Closed Manual iso Valve!/ Note 3 161829 'A' RHR Blowout Steam Vent Drain Valve 29/645' Closed Manual Iso Valve!/ Note 3 161830 'B' RH R Blowout Steam Vent Drain Valve 28/645' Closed Manual Iso Valve / Note 3 261820 RCIC Blowout Steam Vent Drain Valve 33/645' Closed Manual iso Valve!I Note 4 261821 'A' RH R Blowout Steam Vent Drain Valve 34/645' Closed Manual iso Valve!/ Note 4 261822 'B' RH R Blowout Steam Vent Drain Valve 33/645' Closed Manual Iso Valve I Note 4 2LRWI810OL Zone Ill Floor Drain 34-818 Plugged!/
: 2. FSAR, Section 15.
Note 7 2LRW1810OM Zone Ill Floor Drain 34-818 Plugged!/
: 3. Final Policy Statement on Technical Specifications Improvements, July 22, 1993 (58 FR 39132).
Note 7 2LRW181 ON Zone Ill Floor Drain 34-818 Plugged!/
SUSQUEHANNA -UNIT 2               T / B 3.6-97 TS    .- 7Rvso
Note 7 2LRW181 OR Zone Ill Floor Drain 34-818 Plugged!/
                                                  -                                Revision 1
Note 7 2LRW1810OS Zone Ill Floor Drain 34-818 Plugged!/
 
Note 7 2LRWl703A Zone I1 Floor Drain 34-799 Plugged ! Note 7 2LRW161 5A Zone I1 Floor Drain 34-779 Plugged!/
Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-1 Secondary Containment Ventilation System Automatic Isolation Dampers (Page 1 of 1)
Note 7 2LRWI10O0A Zone II Floor Drain 34-670 Plugged / Note 7 2LRWI100OB Zone II Floor Drain 34-670 Plugged!/
Reactor Bulig       Valve Number             Valve Description IMaximurn Type of Valve         Isolation Buildng                                 ITime Zone                                                             j________________(Seconds)
Note 7 2LRWI100OC Zone II Floor Drain 34-670 Plugged!/
I     HD-1 7586 A&B     Supply System Dampers               Automatic Isolation Damper     10.0 n D-1 7524 A&B   Filtered Exhaust System Dampers     Automatic Isolation Damper     10.0 I     HD-17576A&B     Unfiltered Exhaust System           Automatic Isolation Damper     10.0 II       HD-27586 A&B     Supply System Dampers               Automatic Isolation Damper     10.0 II       HD-27524 A&B     Filtered Exhaust System Dampers     Automatic Isolation Damper     10.0 II       HD-27576 A&B     Unfiltered Exhaust System           Automatic Isolation Damper     10.0 IIl       HD-1 7564 A&B     Supply System Dampers               Automatic Isolation Damper     14.0 Ill         HD-1 7514 A&B   Filtered Exhaust System Dampers     Automatic Isolation Damper     6.5 Ill       HD-1 7502 A&B     Unfiltered Exhaust System           Automatic Isolation Damper     6.0 I1l       HD-27564 A&B     Supply System Dampers               Automatic Isolation Damper     14.0 Ill       HD-27514 A&B     Filtered Exhaust System Dampers     Automatic Isolation Damper     6.5 III       HD-27502 A&B     Unfiltered Exhaust System           Automatic Isolation Damper     6.0 N/A   HD-17534A       Zone     Arlok166AtmtcIoainDme                                       /
Note 7 2LRWIl DOD Zone II Floor Drain 34-670 Plugged / Note 7 2LRWII ODE Zone 11 Floor Drain 34-670 Plugged!/
N/A           HO-1 7534B     *Zone 3 Airlock 1-611                 Automatic Isolation Damper     N/A N/A           HD-1 75340     Zone 3 Airlock 1-603                 Automatic Isolation Damper     N/A N/A           HD-17534E     Zone 3 Airlock 1-805                 Automatic Isolation Damper     N/A N/A           HD-I17534F     Zone 3 Airlock 1-617                 Automatic Isolation Damper     N/A N/A           HD-17534H     Zone 3 Airlock 1-618                 Automatic Isolation Damper     N/A N/A         HD-17534A       Zone 3 Airlock 11-606                 Automatic Isolation Damper     N/A N/A         HD-27534D       Zone 3 Airlock 11-803                 Automatic Isolation Damper     N/A N/A         HD-27534E       Zone 3 Airlock 11-805               Automatic Isolation Damper     N/A N/A         HD-27534G       Zone 3 Airlock 11-806                 Automatic Isolation Damper     N/A N/A         HD-27534H       Zone 3 Airlock C1-186                 Automatic Isolation Damper     N/A N/A         HD-27534H       Zone 3 Airlock 11-608                 Automatic Isolation Damper     N/A SUSQUEHANNA           - UNIT 2                   T / B 3.6-98 TS        .- 8Rvso                          Revision 2
Note 7 2LRWI100F Zone II Floor Drain 34-670 Plugged ! Note 7 2LRWI10DOG Zone II Floor Drain 34-670 Plugged!/
 
Note 7 ,SUSQUEHANNA -UNIT 2TS/B369aRiso6 TS / B 3.6-99a Revision 6 Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 3 of 4)Device Number }Device Description
Rev. 10 SCI Vs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 1 of 4)
[Area/Elev.
Device Number jDevice Description                               JArea/Elev. [Required         Position / Notes X-29-2-44     SDHR System to Fuel Pool Cooling                     Yard/670 Blind Flanged I Note 1 X-29-2-45     SDHR System to Fuel Pool Cooling                     Yard/670 Blind Flanged / Note 1 110176       SDHR Supply Drain Vlv                                 29/670   Closed Manual Iso Valve / Note 1 110186       SDHR Discharge Drain Vlv                             29/670   Closed Manual iso Valve/ Note 1 110180       SDHR Supply Vent Vlv                                 29/749   Closed Manual Iso Valve!/ Note 1 110181       SDHR Discharge Fill Vlv                               27/7/49 Closed Manual Iso Valve / Note 1 110182       SDHR Discharge Vent Vlv                               27/749   Closed Manual iso Valve!/ Note 1 110187       SDHR Supply Fill Vlv                                 29/749   Closed Manual iso Valve / Note 1' 210186       SDHR Supply Drain Vlv                                 33/749   Closed Manual Iso Valve / Note 1 210187       SDHR Supply Vent Vlv                                 33/749   Closed Manual Iso Valve!/ Note 1 210191       SDHR Discharge Vent Vlv                               30/749   Closed Manual Iso Valve!/ Note 1 210192       SDHR Discharge Drain Vlv                             30/749   Closed Manual Iso Valve / Note 1 210193       SDHR Discharge Vent Vlv                               33/749   Closed Manual Iso Valve / Note 1 X-29-2-46     Temporary Chiller to RBCW                           Yard/670 Blind Flanged!/ Note 2 X-29-2-47     Temporary Chiller to RBCW                           Yard/670 Blind Flanged!/ Note 2 X-29-5-95     Temporary Chiller to Unit 1 RBCW                     29/749   Blind Flanged!/ Note 2 X-29-5-96     Temporary Chiller to Unit 1 RBCW                     29/749   Blind Flanged!I Note 2 X-29-5-91     Temporary Chiller to Unit 2 RBCW                     33/749   Blind Flanged!/ Note 2 X-29-5-92     Temporary Chiller to Unit 2 RBCW                     33/749   Blind Flanged!/ Note 2 187388       RBCW Temp Chiller Discharge iso Vlv                   29/670   Closed Manual iso Valve!/ Note 2 187389       RBCW Temp Chiller Supply iso Vlv                     29/670   Closed Manual Iso Valve!/ Note 2 187390       RBCW Temp Chiller Supply Drain Vlv                   29/670   Closed Manual Iso Valve!/ Note 2 187391       RBCW Temp Chiller Discharge Drain Vlv                 29!670   Closed Manual iso Valve / Note 2 X-28-2-3000   Utility Penetration to Unit 1 East Stairwell         Yard/670 Blind Flanged / Note 3 X-29-2-48     Utility Penetration to Unit 1 RR Bay                 Yard/670 Capped!/ Note 5 X.-33-2-3000 Utility Penetration to Unit 2 East Stairwell         Yard!670 Blind Flanged f Note 4 X-28-2-3000   Utility Penetration to Unit 1 East Stairwell         28/670   Blind Flanged / Note 3 X-29-2-48     Utility Penetration to Unit 1 RR Bay                 29/670   Capped!/ Note 5 X-33-2-3000   Utility Penetration to Unit 2 East Stairwell         33/670   Blind Flanged!/ Note 4 X-29-3-54     Utility Penetration to Unit I RBCCW Hx Area           27/683   BlindI Flanged I Note 6 X-29-3-55     Utility Penetration to Unit 1 RBCCW Hx Area         27/683   Blind Flanged!/ Note 6 X-29-5-97     Utility Penetration from Unit 1 RR Bay to Unit 2     33/749   Capped Elev. 749 X-27-6-92     Instrument Tubing Stubs                             27/779'   Capped X{-29-7-4     1" Spare Conduit Threaded Plug                       29/818'   Installed X-30-6-72     Instrument Tubing Stubs                               30/779' Capped X-30-6-1 002 Stairwell #214 Rupture Disc                         30/779'   Installed Intact X-30-6-1 003 Airlock 11-609 Rupture Disc                         30/779'   Installed Intact X-25-6-1 008 Airlock 1-606 Rupture Disc                           25/779'   Installed Intact X-29-4-DI -B Penetration at Door 4330                             29/719'   Blind Flange Installed X-29-4-D1 -A Penetration at Door 4330                             29/719'   Blind Flange Installed X-29-4-D1 -B Penetration at Door 404                             33/719'   Blind Flange Installed X-29-4-D1 -A Penetration at Door 404                             33/719'   Blind Flange Installed SUSQUEHANNA- uNiT 2TSB6-9evso8 TS / B 3.6-99                                                           Revision 8
[Required Position / Notes 1 LRWI810U Zone Ill Floor Drain 29-818 Plugged 1 Note 7 I1LRWII1810QV Zone Ill Floor Drain 29-818 Plugged / Note 7 1 LRWI1I81W Zone IIl Floor Drain 29-818 Plugged / Note 7 1 LRWI810OX Zone [ll Floor Drain 29-818 Plugged / Note 7 1 LRWI810OY Zone Ill Floor Drain 29-818 Plugged / Note 7 1 LRWI81 0Z Zone Ill Floor Drain 29-818 Plugged / Note 7 I1LRWI810OFF Zone Ill Floor Drain 29-818 Plugged!/
 
Note 7 I LRWI8I0GG Zone Ill Floor Drain 29-818 Plugged!/
Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2.
Note 7 1 LRWI810HH Zone Il1 Floor Drain 29-818 Plugged / Note 7 1 LRWI8I0JJ Zone Ill Floor Drain 29-818 Plugged / Note 7 1 LRW1810OKK Zone IIl Floor Drain 29-818 Plugged!/
Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 2 of 4)
Note 7 1 LRWI615A Zone 1, Zone IIl, or No Zone Floor Drain 29-779 Plugged!/Note 7 1_LRWIIOOA Zone 1, Zone Ill, or No Zone Floor Drain 29-670 Plugged!/
Device Number HD17534C jDevice Description Airlock 1-707 Blind Flange 1Area/Elev.
Note 7 1 LRWI1 008 Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged!/
28/799' Required Position / Notes Blind Flange Installed HD27534C             Airlock 11-707 Blind Flange                         33/799' Blind Flange Installed XD-1 7513           Isolation damper for Railroad Bay Zone Ill HVAC     29/799' Position is dependent on Railroad Supply
Note 7 1 LRWI100C Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged!/
* Bay alignment XD-1 7514           Isolation damper for Railroad Bay Zone I11HVAC      29/719' Position is dependent on Railroad
Note 7 1 LRWI10DOD Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged / Note 7 1 LRWIIODOE Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged!/
___________Exhaust                                                              Bay alignment XD-1 2301           PASS Air Flow Damper                               11/729' Closed Damper XD-22301             PASS Air Flow Damper                               22/729' Closed Damper 161827               HPCI Blowout Steam Vent Drain Valve                 25/645' Closed Manual iso Valve / Note 3 161828               ROlC Blowout Steam Vent Drain Valve                 28/645' Closed Manual iso Valve!/ Note 3 161829               'A' RHR Blowout Steam Vent Drain Valve             29/645' Closed Manual Iso Valve!/ Note 3 161830               'B' RH R Blowout Steam Vent Drain Valve             28/645' Closed Manual Iso Valve / Note 3 261820               RCIC Blowout Steam Vent Drain Valve                 33/645' Closed Manual iso Valve!I Note 4 261821               'A' RH R Blowout Steam Vent Drain Valve             34/645' Closed Manual iso Valve!/ Note 4 261822               'B' RH R Blowout Steam Vent Drain Valve             33/645' Closed Manual Iso Valve I Note 4 2LRWI810OL           Zone Ill Floor Drain                               34-818 Plugged!/ Note 7 2LRW1810OM           Zone Ill Floor Drain                               34-818 Plugged!/ Note 7 2LRW181 ON           Zone Ill Floor Drain                               34-818 Plugged!/ Note 7 2LRW181 OR           Zone Ill Floor Drain                               34-818 Plugged!/ Note 7 2LRW1810OS           Zone Ill Floor Drain                               34-818 Plugged!/ Note 7 2LRWl703A           Zone I1Floor Drain                                 34-799 Plugged ! Note 7 2LRW161 5A           Zone I1Floor Drain                                 34-779 Plugged!/ Note 7 2LRWI10O0A           Zone II Floor Drain                                 34-670 Plugged / Note 7 2LRWI100OB           Zone II Floor Drain                                 34-670 Plugged!/ Note 7 2LRWI100OC           Zone II Floor Drain                                 34-670 Plugged!/ Note 7 2LRWIl DOD           Zone II Floor Drain                                 34-670 Plugged / Note 7 2LRWII ODE           Zone 11Floor Drain                                 34-670 Plugged!/ Note 7 2LRWI100F           Zone II Floor Drain                                 34-670 Plugged ! Note 7 2LRWI10DOG           Zone II Floor Drain                                 34-670 Plugged!/ Note 7
Note 7 1 LRWI100OF Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged / Note 7 1 LRWI100G Zone I, Zone Ill, or No Zone Floor Drain 670 Plugged!/
,SUSQUEHANNA           -UNIT     2TS/B369aRiso6       TS / B 3.6-99a                                     Revision 6
Note 7 SUSQUEHANNA -UNIT 2TS/B3-9bRvso4 TS / B 3.6-99b Revision 4 Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive isolation Valves or Devices (Page 4 of 4)Note 1: The two blind flanges on the SDHR penetrations (blind flanges for device number X-29-2-44 and X-29-2-4.5) and all the closed manual valves for the SDHR system (110176, 110186, 110180, 110181, 110182, 110187, 210186, 210187, 210191,210192, 210193)can each be considered as a separate secondary containment isolation device for the SDHR penetrations.
 
If one or both of the blind flanges is removed and all the above identified manual valves for the SDHR system are closed, the appropriate LCO should be entered for one inoperable SCIV in a penetration flow path with two SCIVs. With the blind flange removed, the manual valves could be openad intermittently under administrative controls per the Technical Specification Note. When both SDHR blind flanges are installed, opening of the manual valves for the SDHR system will be controlled to prevent cross connecting ventilation zones. When the manual valves for the SDHR system are open in this condition, the appropriate LCO should be entered for one inoperable SCIV in a penetration flow path with two SCIVs. When the SDHR system piping is connected and full of water, the piping forms the secondary containment boundary and the above listed SCIVs in Table B3.6.4.2-2 are no longer required for this system since the piping forms the barrier.Note 2: Due to the multiple alignments of the RBCW temporary chiller, different devices will perform the SCIV function depending on the RBCW configuration.
Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 3 of 4)
There are three devices/equipment that can perform the SCIV function for the RBCW temporary chiller supply penetration.
Device Number 1LRWI810U
The first SCIV for the RBCW temporary chiller supply penetration is the installed blind flange on penetration X-29-2-47.
              }Device Zone Ill Floor Drain Description             [Area/Elev. [Required 29-818 Position / Notes Plugged 1 Note 7 I1LRWII1810QV   Zone Ill Floor Drain                               29-818     Plugged / Note 7 1LRWI1I81W    Zone IIl Floor Drain                               29-818     Plugged / Note 7 1 LRWI810OX     Zone [ll Floor Drain                               29-818     Plugged / Note 7 1 LRWI810OY     Zone Ill Floor Drain                               29-818     Plugged / Note 7 1 LRWI81 0Z     Zone Ill Floor Drain                               29-818     Plugged / Note 7 I1LRWI810OFF   Zone Ill Floor Drain                               29-818     Plugged!/ Note 7 I LRWI8I0GG     Zone Ill Floor Drain                               29-818     Plugged!/ Note 7 1LRWI810HH    Zone Il1Floor Drain                               29-818     Plugged / Note 7 1 LRWI8I0JJ     Zone Ill Floor Drain                               29-818     Plugged / Note 7 1 LRW1810OKK   Zone IIl Floor Drain                               29-818     Plugged!/ Note 7 1LRWI615A      Zone 1,Zone IIl, or No Zone Floor Drain           29-779     Plugged!/Note 7 1_LRWIIOOA     Zone 1,Zone Ill, or No Zone Floor Drain           29-670     Plugged!/ Note 7 1 LRWI1 008     Zone I, Zone Ill, or No Zone Floor Drain           29-670     Plugged!/ Note 7 1 LRWI100C     Zone I, Zone Ill, or No Zone Floor Drain           29-670     Plugged!/ Note 7 1 LRWI10DOD     Zone I, Zone Ill, or No Zone Floor Drain           29-670     Plugged / Note 7 1 LRWIIODOE     Zone I, Zone Ill, or No Zone Floor Drain           29-670     Plugged!/ Note 7 1 LRWI100OF     Zone I, Zone Ill, or No Zone Floor Drain           29-670     Plugged / Note 7 1 LRWI100G     Zone I, Zone Ill, or No Zone Floor Drain         670     Plugged!/ Note 7 SUSQUEHANNA     -UNIT     2TS/B3-9bRvso4       TS / B 3.6-99b                                 Revision 4
The second SCIV for the RBCW temporary chiller supply penetration is isolation valve 187389. The third SCIV for the temporary RBCW chiller supply penetration is closed drain valve 187390 and an installed blind flange on penetrations X-29-5-92 and/or X-29-6-96.
 
Since there are effectively three SCIVs, any two can be used to define the SCIV for the penetration.
Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive isolation Valves or Devices (Page 4 of 4)
Removal of one of the two required SCIVs requires entry into the appropriate LCO for one inoperable SCIV in a penetration flow path with two SCIVs. Opening of drain valve 187390 and operation of blank flanges X-29-5-96 and X-29-5-92 will be controlled to prevent cross connecting ventilation zones. These three SCIVs prevent air inleakage into secondary containment.
Note 1: The two blind flanges on the SDHR penetrations (blind flanges for device number X-29-2-44 and X-29-2-4.5) and all the closed manual valves for the SDHR system (110176, 110186, 110180, 110181, 110182, 110187, 210186, 210187, 210191,210192, 210193) can each be considered as a separate secondary containment isolation device for the SDHR penetrations. If one or both of the blind flanges is removed and all the above identified manual valves for the SDHR system are closed, the appropriate LCO should be entered for one inoperable SCIV in a penetration flow path with two SCIVs. With the blind flange removed, the manual valves could be openad intermittently under administrative controls per the Technical Specification Note. When both SDHR blind flanges are installed, opening of the manual valves for the SDHR system will be controlled to prevent cross connecting ventilation zones. When the manual valves for the SDHR system are open in this condition, the appropriate LCO should be entered for one inoperable SCIV in a penetration flow path with two SCIVs. When the SDHR system piping is connected and full of water, the piping forms the secondary containment boundary and the above listed SCIVs in Table B3.6.4.2-2 are no longer required for this system since the piping forms the barrier.
The isolation of the penetration per the Technical Specification requirement is to assure that one of the above SCIVs is closed so that there is no air inleakage into secondary containment.
Note 2: Due to the multiple alignments of the RBCW temporary chiller, different devices will perform the SCIV function depending on the RBCW configuration. There are three devices/equipment that can perform the SCIV function for the RBCW temporary chiller supply penetration. The first SCIV for the RBCW temporary chiller supply penetration is the installed blind flange on penetration X-29-2-47. The second SCIV for the RBCW temporary chiller supply penetration is isolation valve 187389. The third SCIV for the temporary RBCW chiller supply penetration is closed drain valve 187390 and an installed blind flange on penetrations X-29-5-92 and/or X-29-6-96. Since there are effectively three SCIVs, any two can be used to define the SCIV for the penetration. Removal of one of the two required SCIVs requires entry into the appropriate LCO for one inoperable SCIV in a penetration flow path with two SCIVs. Opening of drain valve 187390 and operation of blank flanges X-29-5-96 and X-29-5-92 will be controlled to prevent cross connecting ventilation zones. These three SCIVs prevent air inleakage into secondary containment. The isolation of the penetration per the Technical Specification requirement is to assure that one of the above SCIVs is closed so that there is no air inleakage into secondary containment.
There are three deviceslequipment that can perform the SCIV function for the RBCW temporary chiller return penetration.
There are three deviceslequipment that can perform the SCIV function for the RBCW temporary chiller return penetration. The first SCIV for the RBCW temporary chiller return penetration is the installed blind flange on penetration X-29-2-46. The second SCIV for the R BCW temporary chiller return penetration is isolation valve 187388. The third SCIV for the temporary RBCW chiller return penetration is closed drain valve 187391 and an installed blind flange on penetrations X-29-5-91 and/or X-29-5-95. Since there are effectively three SCIVs, any two can be used to define the SCIV for the penetration. Removal of one of the two required SCIVs requires entry into the appropriate LCO for one inoperable SCIV in a penetration flow path with two SCiVs. Opening of drain valve 187391 and operation of blank flanges X-29--5--91 and X-29-5-95 will be controlled to prevent cross connecting ventilation zones. These three SCIVs prevent air inleakage into secondary containment: The isolation of the penetration per the Technical Specification requirement is to assure that one of the above SCIVs is closed so that there is no air inleakage into secondary containment.
The first SCIV for the RBCW temporary chiller return penetration is the installed blind flange on penetration X-29-2-46.
When the RBCW temporary chiller piping is connected and full of water, the piping inside secondary containment forms the secondary, containment boundary and the above listed SCIVs in Table B3.6.4.2-2 are no longer required for this system.
The second SCIV for the R BCW temporary chiller return penetration is isolation valve 187388. The third SCIV for the temporary RBCW chiller return penetration is closed drain valve 187391 and an installed blind flange on penetrations X-29-5-91 and/or X-29-5-95.
Note 3: These penetrations connect Secondary Containment Zone I to a No-Zone. When Secondary Containment Zone I is isolated from the recirculation plenum, the above listed SCIVs in Table B3.6.4.2-2 are no longer required.
Since there are effectively three SCIVs, any two can be used to define the SCIV for the penetration.
Note 4: These penetrations connect Secondary Containment Zone IIto a No-Zone. When Secondary Containment Zone Illis isolated from the recirculation plenum, the above listed SCIVs in Table 83.6.4.2-2 are no longer required.
Removal of one of the two required SCIVs requires entry into the appropriate LCO for one inoperable SCIV in a penetration flow path with two SCiVs. Opening of drain valve 187391 and operation of blank flanges X-29--5--91 and X-29-5-95 will be controlled to prevent cross connecting ventilation zones. These three SCIVs prevent air inleakage into secondary containment:
Note 5: These penetrations connect the Railroad Bay to a No-Zone. When the Railroad Bay is a No-Zone, the above listed SCIVs in Table B3.6.4.2-2 are no longer required.
The isolation of the penetration per the Technical Specification requirement is to assure that one of the above SCIVs is closed so that there is no air inleakage into secondary containment.
Note 6: These penetrations connect Secondary Containment Zone I to the Railroad Bay. The above listed SOi~s in Table 83.6.4.2-2 are not required ifthe Railroad Bay is a No-Zone and Zone I is isolated from the reciroulation plenum OR if the Railroad Bay is aligned to Zone I.
When the RBCW temporary chiller piping is connected and full of water, the piping inside secondary containment forms the secondary, containment boundary and the above listed SCIVs in Table B3.6.4.2-2 are no longer required for this system.Note 3: These penetrations connect Secondary Containment Zone I to a No-Zone. When Secondary Containment Zone I is isolated from the recirculation plenum, the above listed SCIVs in Table B3.6.4.2-2 are no longer required.Note 4: These penetrations connect Secondary Containment Zone IIto a No-Zone. When Secondary Containment Zone Illis isolated from the recirculation plenum, the above listed SCIVs in Table 83.6.4.2-2 are no longer required.Note 5: These penetrations connect the Railroad Bay to a No-Zone. When the Railroad Bay is a No-Zone, the above listed SCIVs in Table B3.6.4.2-2 are no longer required.Note 6: These penetrations connect Secondary Containment Zone I to the Railroad Bay. The above listed SOi~s in Table 83.6.4.2-2 are not required if the Railroad Bay is a No-Zone and Zone I is isolated from the reciroulation plenum OR if the Railroad Bay is aligned to Zone I.Note 7: Due to drain header containing multiple floor drains in different ventilation zones, drain plugs were installed in all of the drain header floor drains. To provide the passive Secondary Containment boundary, only drain plugs in one ventilation zone are required to be installed.
Note 7: Due to drain header containing multiple floor drains in different ventilation zones, drain plugs were installed in all of the drain header floor drains. To provide the passive Secondary Containment boundary, only drain plugs in one ventilation zone are required to be installed.
SUSQUEHANNA  
SUSQUEHANNA                 - UNIT 2TS/B3-9cRvso0           TS / B 3.6-99c                                                     Revision 0}}
-UNIT 2TS/B3-9cRvso0 TS / B 3.6-99c Revision 0}}

Revision as of 23:46, 30 October 2019

Technical Specification Bases Manual
ML16040A203
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Issue date: 02/03/2016
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TSBl - TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL REMOVE MANUAL TABLE OF CONTENTS DATE: 02/01/2016 ADD MANUAL TABLE OF CONTENTS DATE: 02/02/2016 CATEGORY: DOCUMENTS TYPE: TSBl Ag{ct

Feb. 03, 2016 Page 2 of 2 ID: TEXT 3.6.4.2 ADD: REV: 10 REMOVE: REV: 9 CATEGORY: DOCUMENTS TYPE: TSB1 ID: TEXT LOES REMOVE: REV:121 ADD: REV: 122 ANY DISCREPANCIES WITH THE MATERIAL PROVIDED, CONTACT DCS @ X3107 OR X3136 FOR ASSISTANCE. UPDATES FOR HARDCOPY MANUALS WILL BE DISTRIBUTED WITHIN 3 DAYS IN ACCORDANCE WITH DEPARTMENT PROCEDURES. PLEASE MAKE ALL CHANGES AND ACKNOWLEDGE COMPLETE IN YOUR NIMS INBOX UPON COMPLETION OF UPDATES. FOR ELECTRONIC MANUAL USERS, ELECTRONICALLY REVIEW THE APPROPRIATE DOCUMENTS AND ACKNOWLEDGE COMPLETE IN YOUR NIMS INBOX.

SSES MANUA Manual Name: TSB1 Manual Title: TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL Table Of Contents Issue Date: 02/02/2016 Procedure Name Rev Change ID Change Number Issue Date TEXT LOES 122 02/02/2 016 Title: LIST OF EFFECTIVE SECTIONS TEXT T0C 23 07/02/2014 Title: TABLE OF CONTENTS TEXT 2.1.1 6 01/22 /2 015 Title: SAFETY LIMITS (SLS) REACTOR CORE SLS TEXT 2.1.2 1 10/ 04/2 007 Title: SAFETY LIMITS (SLS) REACTOR COOLANT SYSTEM (RCS) PRESSURE S TEXT 3.0 3 08/20/2009 Title: LIMITING CONDITION FOR OPERATION (LCO) APPLICABILITY TEXT 3.1.1 1 04/18/2006 Title: REACTIVITY CONTROL SYSTEMS SHUTDOWN MARGIN (SDM)

TEXT 3.1.2 0 11/15/2002 Title: REACTIVITY CONTROL SYSTEMS REACTIVITY ANOMALIES TEXT 3.1.3 2 01/19/2 009 Title: REACTIVITY CONTROL SYSTEMS CONTROL ROD OPERABILITY TEXT 3.1.4 4 01/30/2009 Title: REACTIVITY CONTROL SYSTEMS CONTROL ROD SCRAM TIMES TEXT 3.1.5 1 07/06/2 005 Title: REACTIVITY CONTROL SYSTEMS CONTROL ROD SCRAM ACCUMULATORS TEXT 3.1.6 3 02/24/2014 Title: REACTIVITY CONTROL SYSTEMS ROD PATTERN CONTROL Report Date: 02/03/16 Pagel of 8 Page ! of Report Date: 02/03/16

SESF MA1NUTAL Maual L\ame:

VManual TSBI Title: TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL 0 TEXT 3.1.7 3 04/23/2008 Title: REACTIVITY CONTROL SYSTEMS STANDBY LIQUID CONTROL (SLC) SYSTEM TEXT 3.1.8 3 05/06/2009 Title: REACTIVITY CONTROL SYSTEMS SCRAM DISCHARGE VOLUME (SDV) VENT AND DRAIN VALVES TEXT 3.2.1 2 04/23/2008 Title: POWER DISTRIBUTION LIMITS AVERAGE PLANAR LINEAR HEAT GENERATION RATE (APLHGR)

TEXT 3.2.2 3 05/06/2009 Title: POWER DISTRIBUTION LIMITS MINIMUM CRITICAL POWER RATIO (MCPR)

TEXT 3.2.3 2 04/23/2008 Title: POWER DISTRIBUTION LIMITS LINEAR HEAT GENERATION RATE (LHGR)

TEXT 3.3.1.1 6 02/24/2014 Title: INSTRUMENTATION REACTOR PROTECTION SYSTEM (RPS) INSTRUMENTATION TEXT 3.3.1.2 2 01/19/2009 Title: INSTRUMENTATION SOURCE RANGE MONITOR (SRM) INSTRUMENTATION TEXT 3.3.2.1 4 02/24/2014 Title: INSTRUMENTATION CONTROL ROD BLOCK INSTRU-MENTATION TEXT 3.3.2.2 2 04/05/2010 Title: INSTRUMENTATION FEEDWATER MAIN TURBINE HIGH WATER LEVEL TRIP INSTRUMENTATION TEXT 3o3.3.1 9 02/28/2013 Title: INSTRUMENTATION POST ACCIDENT MONITORING (PAM) INSTRUMENTATION TEXT 3.3.3.2 1 04/18/2005 Title: INSTRUMENTATION REMOTE SHUTDOWN SYSTEM TEXT 3.3.4.1 2 02/24/2014 i? Title: INSTRUMENTATION END OF CYCLE RECIRCULATION PUMP TRIP (EOC-RPT) INSTRUMENTATION W Reort ate 02/3/1 Page of Page 2 of Report Date: 02/03/16

ESREM!ANTAL M!a~nual Name: TSB1

Page 3 of of 8 Report Date: 02/03/16

S*ES MANUJAL l*anual Name:- TSB1

N<-anual Title: TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL S TEXT 3.4.5 1 01/16/2006 Title: REACTOR COOLANT SYSTEM CRCS) RCS PRESSURE ISOLATION VALVE (PIV) LEAKAGE TEXT 3.4.6 4 02/19/2014 Title: REACTOR COOLANT SYSTEYM (RCS) RCS LEAKAGE DETECTION INSTRUMENTATION TEXT 3.4.7 2 10/04/2007 Title: REACTOR COOLANT SYSTEM CRCS) RCS SPECIFIC ACTIVITY TEXT 3.4.8 2 03/28/2013 Title: REACTOR COOLANT SYSTEM* (RCS) RESIDUAL HEAT REMOVAL (RHR) SHUTDOWN COOLII* HG SYSTEM

- HOT SHUTDOWN TEXT 3.4.9 1 03/28/2013 Title: REACTOR COOLANT SYSTEM*(RCS) RESIDUAL HEAT REMOVAL (RHR) SHUTDOWN C00LII' TqGSYSTEM

-:,TEXT 3.4.10

- COLD SHUTDOWN 4 11/04/2015 0

Title: REACTOR COOLANT SYSTEM S(RCS) RCS PRESSURE AND TEMPERATURE (P/T) LIMITS TEXT 3.4.11 0 11/15/2002 Title: REACTOR COOLANT SYSTEM (RCS) REACTOR STEAM DOME PRESSURE TEXT 3 .5.1 4 07/16/2014 Title: EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC)

SYSTEM ECCS - OPERATING TEXT 3.5.2 0 11/15/2002 Title: EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC)

SYSTEM ECCS - SHUTDOWN TEXT 3.5.3 3 02/24/2014 Title: EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC)

SYSTEM RCIC SYSTEM TEXT 3.6.1.1 5 02/24/2014 Title: PRIMARY CONTAINMENT TEXT 3.6.1.2 1 04/23/2008 S Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT AIR LOCKI Page 4 of Report Date: 02/03/16

  • MANUIAL O : N}anual Title: TECHNICAL Nanual Name: TSB1 SPECIFICATION BASES UNIT 1 MANUAL TEXT 3.6.1.3 11 07/02/2014 Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT ISOLATIONVALVES (PCIVS)

TEXT 3.6.1.4 1 04/23/2008 Title: CONTAINMENT SYSTEMS CONTAINMENT PRESSURE TEXT 3.6.1.5 1 10/05/2005 Title: CONTAINMENT SYSTEMS DRYWELL AIR TEMPERATURE TEXT 3.6.1.6 0 11/15/2002 Title: CONTAINMENT SYSTEMS SUPPRESSION CHAMBER-TO-DRYWELL VACUUM BREAKERS TEXT 3.6.2.1 2 04/23/2008 Title: CONTAINMENT SYSTEMS SUPPRESSION POOL AVERAGE TEMPERATURE TEXT 3.6.2.2 0 11/15/2002 Title: CONTAINMENT SYSTEMS SUPPRESSION POOL WATER LEVEL TEXT 3.6.2.3 1 01/16/2006 Title: CONTAINMENT SYSTEMS RESIDUAL HEAT REMOVAL (RHR) SUPPRESSION POOL COOLING TEXT 3.6.2.4 0 11/15/2002 Title: CONTAINMENT SYSTEMS RESIDUAL HEAT REMOVAL (RHR) SUPPRESSION POOL SPRAY TEXT 3.6.3.1 2 06/13/2006 Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT HYDROGEN RECOMBINERS TEXT 3.6.3.2 1 04/18/2005 Title: CONTAINMENT SYSTEMS DRYWELL AIR FLOW SYSTEM TEXT 3.6.3.3 1 02/28/2013 Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT OXYGEN CONCENTRATION TEXT 3.6.4.1 11 11/06/2014 Title: CONTAINMENT SYSTEMS SECONDARY CONTAINMENT Report Date: 02/03/16 Pages Page 5 of of 8 Report Date: 02/03/16

SSES MAN*UAL Manual Name :

S TSBI

-"*< Manual Title: TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL TEXT 3.6.4.2 10 02/02/2016 Title: CONTAINMENT SYSTEMS SECONDARY CONTAINMENT ISOLATION VALVES (SCIVS)

TEXT 3.6.4.3 4 09/21/2006 Title: CONTAINMENT SYSTEMS STANDBY GAS TREATMENT (SGT) SYSTEM TEXT 3.7.1 4 04/05/2010 Title: PLANT SYSTEMS RESIDUAL HEAT REMOVAL SERVICE WATER (RHRSW) SYSTEM AND THE ULTIMATE HEAT SINK (TIES)

TEXT 3.7.2 2 02/11/2009 Title: PLANT SYSTEMS EMERGENCY SERVICE WATER (ESW) SYSTEM TEXT 3.7.3 1 01/08/2010 Title: PLANT SYSTEMS CONTROL ROOM EMERGENCY OUTSIDE AIR SUPPLY (CREOAS) SYSTEM TEXT 3.7.4 Title:

0 11/15/2002 PLANT SYSTEMS CONTROL ROOM FLOOR COOLING SYSTEM 9

TEXT 3.7.5 1' 10/04/2007 Title: PLANT SYSTEMS MAIN CONDENSER OFFGAS TEXT 3.7.6 2 04/23/2008 Title: PLANT SYSTEMS MAIM TURBINE BYPASS SYSTEM TEXT 3.7.7 1 10/04/2007 Title: PLANT SYSTEMS SPENT FUEL STORAGE POOL WATER LEVEL TEXT 3.7.8 0 04/23/2008 Title: PLANT SYSTEMS TEXT 3.8.1 7 02/24/2014 Title: ELECTRICAL POWER SYSTEMS AC SOURCES - OPERATING TEXT 3.8.2 0 11/15/2002 Title: ELECTRICAL POWER SYSTEMS AC SOURCES - SHUTDOWN of .8.

Page Page .6~ of 8 Report Date: 02/03/16

~SSE MANUAL SManual Name: TSB1 W Manual Title: TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL TEXT 3.8.3 4 10/23/2013 Title: ELECTRICAL POWER SYSTEMS DIESEL FUEL OIL, LUBE OIL, AND STARTING AIR TEXT 3.8.4 3 01/19/2 009 Titles ELECTRICAL POWER SYSTEMS DC SOURCES - OPERATING TEXT 3.8.5 1 12/14/2006 Title: ELECTRICAL POWER SYSTEMS DC SOURCES - SHUTDOWN TEXT 3.8.6 1 12/14/2006 Title : ELECTRICAL POWER SYSI ?EMS BATTERY CELL PARAMETERS TEXT 3.8.7 1 10/05/2005 Title:. ELECTRICAL POWER SYSI 'EMS DISTRIBUTION SYSTEMS - OPERATING TEXT 3.8.8 0 11/15/2002 Title : ELECTRICAL POWER SYS'I'EMS DISTRIBUTION SYSTEMS - SHUTDOWN TEXT 3.9.1 0 11/15/2002 Title: REFUELING OPERATIONS REFUELING EQUIPMENT INTERLOCKS TEXT 3.9.2 1 09/01/2010 Title : REFUELING OPERATIONS REFUEL POSITION ONE-ROD-OUT INTERLOCK TEXT 3.9.3 0 11/15/2002 Title:* REFUELING OPERATIONS CONTROL ROD POSITION TEXT 3.9.4 0 11/15/2002 Title : REFUELING OPERATIONS CONTROL ROD POSITION INDICATION TEXT 3.9.5 0 11/15/2002 Title : REFUELING OPERATIONS CONTROL ROD OPERABILITY - REFUELING TEXT 3.9.6 1 10/04/2007 Title: REFUELING OPERATIONS REACTOR PRESSURE VESSEL (RPV) WATER LEVEL Report Date: 02/03/16 Pages Page

  • of of 8 Report Date: 02/03/16

1'Lanual Name: TSBI D}anual Title: TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL TEXT 3.9.7 0 11/15/2002 Title: REFUELING OPERATIONS RESIDUAL HEAT REMOVAL (RHR) - HIGH WATER LEVEL TEXT 3.9.8 0 11/15/2002 Title: REFUELING OPERATIONS RESIDUAL HEAT REMOVAL (RHR) - LOW WATER LEVEL TEXT 3.10.1 1 01/23/2008 Title: SPECIAL OPERATIONS INSERVICE LEAK AND HYDROSTATIC TESTING OPERATION TEXT 3.10.2 0 11/15/2002 Title: SPECIAL OPERATIONS REACTOR NODE SWITCH INTERLOCK TESTING TEXT 3.10.3 0 11/15/2002 Title: SPECIAL OPERATIONS SINGLE CONTROL ROD WITHDRAWAL - HOT SHUTDOWN TEXT 3.10.4 0 11/15/2002 Title: SPECIAL OPERATIONS SINGLE CONTROL ROD WITHDRAWAL - COLD SHUTDOWN TEXT 3.10.5 0 11/15/2002 Title: SPECIAL OPERATIONS SINGLE CONTROL ROD DRIVE (CRD) REMOVAL - REFUELING TEXT 3.10.6 0 11/15/2002 Title: SPECIAL OPERATIONS MULTIPLE CONTROL ROD WITHDRAWAL - REFUELING TEXT 3.10.7 1 04/18/2006 Title: SPECIAL OPERATIONS CONTROL ROD TESTING - OPERATING TEXT 3.10.8 1 04/12/2006 Title: SPECIAL OPERATIONS SHUTDOWN MARGIN (SDN) TEST - REFUELING Report Date: 02/03/16 Page 8 of of 8 8 Report Date: 02/03/16 Page.-8

SUSQUEHANNA STEAM*4 ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPEC IFICATIONS BASES)

Section Titl.._e Revision TOC Table of Contents 23 B 2.0 SAFETY LIMITS BASES PageTSI/B2.0.1 1 Page TSI/B 2.0-2 3 Page TS /B 2.0-3 6 Page TSI/B 2.0-4 4 Page TSI/B 2.0-5 6 Page TS I B 2.0-6 1 Pages TS I B 2.0-7 through TS I B 2.0.9 1 B 3.0 LCO AND SR APPLICABILITY BASES Page TS / B 3.0-1

  • I*

Pages TS I B 3.0-2 through TS I B 3.0-4 0 Pages TS I B 3.0-5 through TS / B 3.0-7 1 Page TS I B 3.0-8 3 Pages TS I B 3.0-9 through TS / B 3.0.11 2 Page TS / B 3.0-11a 0 Page TS / B 3.0-12.,,,. * *1 Pages TS I B 3.0-13 through TS **2 Pages TS I B 3.0-16 and TS / 0- 0 Pages B 3.1-1 throug 0 Page TS I B 3.1-5 1 Pages TSI/B3. T .1-7 2 Pages B 3.1-8 3.1- 3; 0 Pa - *rough B3.1-19 0 Pa *. -20Oand TS /B 3.1-21 1 Pa 51B 3.1-24 0 TS / B 3.1-25 through TS I B 3.1-27 1 TS /B 3.-282 Page TS / B 3.1-29 1 Pages B 3.1-30 through B 3.1-33 0 Pages TS I B 3.3-34 through TS / B 3.3-36 1 Page TS I B 3.1-37 2 Page TS / B 3.1-38 3 Pages TS I B 3.1-39 and TS I B 3.1-40 2 Page TS I B 3.1-40a 0 Pages TSI/B 3.1-41 and TS /B 3.1-42 2 Revision 122 SUSQUEHANNA UNIT SUSQUEHANNA- - UNIT 1I TS/B TS / B LOES-1 LOES-1 Revision 122

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Section Title Revision Page TS / B 3.1.43 1 Page TS I B 3.1-44 0 Page TS I B 3.1-45 3 Pages TS I B 3.1-46 through TS / B 3.1-49 1 Page TS / B 3.1-50 0 Page TS / B3.1-51 3 B 3.2 POWER DISTRIBUTION LIMITS BASES Page TS / B 3.2-1 2 Pages TS I B 3.2-2 and TS I B 3.2-3 3 Pages TS I B 3.2-4 and TS / B 3.2-5 2 Page TS / B 3.2-6 3 Page B 3.2-7 1 Pages TS / B 3.2-8 and TS I B 3.2-9 3 Page TS I B 3.2.10 2 Page TS I B 3.2-11 3 Page TS I B 3.2-12 1 Page TS I B 3.2-13 2 B 3.3 INSTRUMENTATION Pages TS I B 3.3-1 through TS / B 3.3-4 1 Page TS I B 3.3-5 2 Page TS I B 3.3-6 1 Page TS / B 3.3-7 3 Page TSI/B 3.3-7a 1 Page TS / B 3.3-8 5 Pages TS / B 3.3-9 through TS / B 3.3-12 3 Pages TS I B 3.3-12a 1 Pages TS I B 3.3-12b and TS I B 3.3-12c 0 Page TS I B 3.3-13 1 Page TS I B 3.3-14 3 Pages TS I B 3.3-15 and TS / B 3.3-16 1 Pages TS I B 3.3-17 and TS I B 3.3-18 4 Page TS I B 3.3-19 1 Pages TS I B 3.3-20 through TS I B 3.3-22 2 Page TS I B 3.3-22a 0 Pages TS / B 3.3-23 and TS I B 3.3-24 2 Pages TS I B 3.3-24a and TS / B 3.3-24b 0 Page TSI/B 3.3-25 3 Page TSI/B 3.3-26 2 Page TS I B 3.3-27 1 Page TS / B 3.3-28 3 Page TS I B 3.3-29 4 Page TS I B 3.3-30 3 Page TS I B 3.3-30a 0 SUSQUEHANNA - UNIT 1 TS / B LOES-2 Revision 122

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Section Title Revision Page TS/ B 3.3-31 4 Page TS I B 3.3-32 5 Pages TS I B 3.3-32a 0 Page TS / B 3.3-32b 1 Page TS / B 3.3-33 5 Page TS I B 3.3-33a 0 Page TS / B 3.3-34 1 Pages TS / B 3.3-35 and TS / B 3.3-36 2 Pages TS / B 3.3-37 and TS / B 3.3-38 1 Page TSI/B 3.3-39 2 Pages TS / B 3.3-40 through TS / B 3.3-43 1 Page TS / B 3.3-44 4 Pages TS I B 3.3-44a and TS I B 3.3-44b 0 Page TSI/B 3.3-45 3 Pages TS / B 3.3-45a and TS / B 3.3-45b 0 Page TS / B3.3-46 3 Pages TS I B 3.3-47 2 Pages TS I B 3.3-48 through TS I B 3.3-51 3 Pages TS / B 3.3-52 and TS I B 3.3-53 2 Page TS I B 3-3-53a 0 Page TSI/B 3.3-54 5 Page TSI/B 3.3-55 2 Pages TS I B 3.3-56 and TS / B 3.3-57 1 Page TS I B 3.3-58 0 Page TS / B 3.3-59 1 Page TS I B 3.3-60 0 Page TS / B 3.3-61 1 Pages TS / B 3.3-62 and TS I B 3.3-63 0 Pages TS I B 3.3-64 and TS I B 3.3-65 2 Page TS I B 3.3-66 4 Page TS / B 3.3-67 3 Page TS I B 3.3-68 4 Page TSI/B 3.3-69 5 Pages TS I B 3.3-70 4 Page TS / B 3.3-71 3 Pages TS I B 3.3-72 and TS I B 3.3-73 2 Page TS / B 3.3-74 3 Page TS / B 3.3-75 2 Page TS I B 3.3-75a 6 Page TS / B 3.3-75b 7 Page TSI/B 3.3-75c 6 Pages B 3.3-76 through B 3.3-77 0 Page TS I B 3.3-78 1 TSIB LOES-3 Revision 122 SUSQUEHANNA-SUSQUEHANNA-UNIT1 UNIT 1 TS / B LOES-3 Revision 122

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Section Title Revision Pages B 3.3-79 through B 3.3-81 0 Page TS / B 3.3-82 2 Page B 3.3-83 0 Pages B 3.3-84 and B 3.3-85 1 Page B 3.3-86 0 Page B 3.3-87 1 Page B 3.3-88 0 Page B 3.3-89 1 Page TS / B 3.3-90 1 Page B 3.3-91 0 Pages TS / B 3.3-92 through TS / B 3.3-100 1 Pages TS / B 3.3-1 01 through TS / B 3.3-103 0 Page TS / B 3.3-104 2 Pages TS / B 3.3-105 and TS /B 3.3-106 0 Page TS / B 3.3-107 1 Page TS / B 3.3-108 0 Page TS / B 3.3-109 1 Pages TS / B 3.3-110 and TS /B 3.3-111 0 Pages TS / B 3.3-112 and TS/ B 3.3-112a 1 Pages TS / B 3.3-113 through TS / B 3.3-115 1 Page TS / B 3.3-116 3 Page TS /B 3.3-117 1 Pages TS / B 3.3-118 through TS / B 3.3-122 0 Pages TS / B 3.3-123 and TS / B 3.3-124 1 Page TS / 2 3.3-124a 0 Page TS / B 3.3-125 0 Pages TS / B 3.3-126 and TS / B 3.3-127 1 Pages TS / B 3.3-128 through TS/ B 3.3-130 0 Page TS / B 3.3-131 1 Pages TS / B 3.3-132 through TS / B 3.3-134 0 Pages B 3.3-135 through B 3.3-137 0 Page TS / B 3.3-138 1 Pages B 3.3-139 through B 3.3-149 0 Pages TS / B 3.3-150 and TS / B 3.3-151 1 Pages TS / B 3.3-152 through TS / B 3.3-154 2 Page TS /2B3.3-155 1 Pages TS / B 3.3-1 56 through TS / B 3.3-158 2 Pages TS /23.3-159 and TS /B3.3-160 1 Page TS /2B3.3-161 2 Page TS /2B3.3-162 1 Page TS /2B3.3-163 2 Page TS /1B3.3-164 1 Pages TS / B 3.3-165 through TS / B 3.3-167 *2 UNIT I1 TS/BLOES-4 Revision 122 SUSQUEHANNA UNIT SUSQUEHANNA- -

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Section Title Revision Pages TS / B 3.3-168 and TS / B 3.3-169 1 Page TS / B 3.3-170 3 Page TS / B 3.3-171 2 Pages TS / B 3.3-1 72 through TS!/ B 3.3-177 1 Pages TS / B 3.3-178 and TS/IB 3.3-179 2 Page TS I B 3.3-179a 2 Pages TS / B 3.3-179b and TS LB 3.3-179c 0 Page TS / B 3.3-180 1 Page TS / B 3.3-181 3 Page TS / B 3.3-182 1 Page TS I B 3.3-183 2 Page TS / B 3.3-184 1 Page TS I B 3:3-185 4 Page TS / B 3.3-186 1 Pages TS / B 3.3-187 and TS / B 3.3-188 2 Pages TS I B 3.3-1 89 through TS / B 3.3-191 1 Page TS / B 3.3-192 0 Page TS / B 3.3-193 1 Pages TS I B 3.3-194 and TS I B 3.3-195 0 Page TS / B 3.3-196 2 Pages TS / B 3.3-197 through TS!/ B 3.3-204 0 Page TS I B 3.3-205 1 Pages B 3.3-206 through B 3.3-209 0 Page TSI/B 3.3-210 1 Pages B 3.3-211 through B 3.3-219 0 B 3.4 REACTOR COOLANT SYSTEM BASES Pages B 3.4-1 and B 3.4-2 0 Pages TS / B 3.4-3 and Page TS / B 3.4-4 4 Page TS / B 3.4-5 3 Pages TS / B 3.4-6 through TS / B 3.4-9 2 Page TS / B 3.4-10 1 Pages TS / 3.4-11 and TS / B 3.4-12 0 Page TS / B 3.4-13 2 Page TS / B 3.4-14 1 Page TS / B 3.4-15 2 Pages TS / B 3.4-16 and TS / B 3.4-17 4 Page TS I B 3.4-18 2 Pages B 3.4-19 through B 3.4-27 0 Pages TS / B 3.4-28 and TS / B 3.4-29 1 Page TS / B3.4-30 2 Page TS I B 3.4-31 1 Pages TS / B 3.4-32 and TS / B 3.4-33 2 Page TS / B 3.4-34 1 Page TS I B 3.4-34a 0 Revision 122 SUSQUEHANNA SUSQUEHANNA-UNIT1- UNIT 1 TS B LOES-5 TS // B LOES-5 Revision 122

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Section Title Revision Pages TS I B 3.4-35 and TS I B 3.4-36 1 Page TS / B 3.4-37 2 PageTSI/B 3.4-38 I Pages B 3.4-39 and B 3.4-40 0 Page TSI!B 3.4-41 2 Pages TS / B 3.4-42 through TS I B 3.4-45 0 Page TS t B 3.4-46 1 Pages TS B 3.4-47 and TS / B 3.4-48 0 Page TS I B 3.4-49 3 Page TS I B 3.4-50 1 Page TS I B 3.4-51 3 Page TS I B 3.4-52 3 Page TS / B3.4-52a 0 Pages TS I B 3.4-53 through TS / B 3.4-56 2 Page TS / B 3.4-57 4 Page TS / B 3.4-57a 0 Pages TS I B 3.4-58 through TS / B 3.4-60 1 B 3.5 ECCS AND RCIC BASES Pages B 3.5-1 and B 3.5-2 0 Page TS / B 3.5-3 3 Page TS I B 3.5-4 1 Page TS / B 3.5-5 2 Page TS I B 3.5-6 1 Pages B 3.5-7 through B 3.5-10 0 Page TS /B 3.5-11 I Page TS / B 3.5-12 0 Page TS I B 3.5-13 2 Pages TS I B 3.5-14 and TS / B 3.5-15 0 Pages TS I B 3.5-16 and TS I B 3.5-17 3 Page TS / B 3.5-18 1 Pages B 3.5-19 through B 3.5-24 0 Page TS I B 3.5-25 1 Page TS / B 3.5-26 and TS / B 3.5-27 2 Page TS / B 3.5-28 0 Page TS / B3.5-29 1 Pages TS / B 3.5-30 and TS / B] 3.5-31 0 B]3.6 CONTAINMENT SYSTEMS BASES Page TS / B] 3.6-1 2 Page TS / B] 3.6-la 3 Page TS / B] 3.6-2 -4 Page TS / B] 3.6-3 3 Page TS / B] 3.6-4 4 Pages TS I B] 3.6-5 and TS / B 3.6-6 3 Revision 122 SUSQUEHANNA - UNIT SUSQUEHANNA - UNIT 1I TS / B LOES-6 TS/B LOES-6 Revision 122

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Section Title Revision Page TS I B 3.6-6a 2 Page TS / B 3.6-6b 4 Page TS I B 3.6-6c 0 Page B 3.6-7 0 Page B 3.6-8 1 Pages B 3.6-9 through 8 3.6-14 0 Page TS / B 3.6-15 3 Page TS I B 3.6-15a 0 Page TS /8B 3.6-15b 2 Pages TS /8B3.6-16 and TS /8B3.6-17 2 Page TSI/B 3.6-17a I Pages TS /8B3.6-18 and TS I B 3.6-19 0 Page TS /8B3.6-20 1 Page TS I B 3.6-21 2 Page TS /8B3.6-22 1 Page TS / B 3.6-22a 0 Page TS /8B3.6-23 1 Pages TS I B83.6-24 and TS / B 3.6-25 0 Pages TS I B83.6-26 and TS I B 3.6-27 2 Page TS / 8 3.6-28 7 Page TS / B3.6-29 2 Page TS /8B3.6-30 1 Page TS /183.6-31 3 Pages TS / B 3.6-32 and TS / B 3.6-33 1 Pages TS / B 3.6-34 and TS / B 3.6-35 0 Page TS I B 3.6-36 1 Page TS /8B3.6-37 0 Page TS /8B3.6-38 3 Page TS /8B3.6-39 2 Page TS /8B3.6-40 6 Page TS / B 3.6-40a 1 Page 8 3.6-41 1 Pages B 3.6-42 and B 3.6-43 0 Pages TS / B 3.6-44 and TS / B 3.6-45 1 Page TS /8B3.6-46 2 Pages TS / B 3.6-47 through TS / B 3.6-51 1 Page TS /8B3.6-52 2 Pages TS /8B3.6-53 through TS / 8 3.6-56 0 Page TS /8B3.6-57 1 Page TS / 3.6-58 2 Pages B 3.6-59 through B 3.6-63 0 Pages TS / B 3.6-64 and TS I B 3.6-65 1 Pages B 3.6-66 through 8 3.6-69 0 Revision 122 SUSQUEHANNA-SUSQUEHANNA-UNIT1 UNIT I TS / B LOES-7 TSIB LOES-7 Revision 122

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Section Title Revision Pages TS / B 3.6-70 through TS / B 3.6-75 1 Pages B 3.6-76 and B 3.6-77 0 Page TS / B 3.6-78 1 Pages B 3.6-79 and B 3.3.6-80 0 Page TSI/ B 3.6-81 1 Pages TS I B 3.6-82 and TS / B 3.6-83 0 Page TS / B 3.6-84 4 Page TS I B 3.6-85 2 Page TS / B 3.6-86 4 Pages TS / B 3.6-87 through TS / B 3.6-88a 2 Page TS / B 3.6-89 6 Page TS / B 3.6-90 4 Page TS I B 3.6-90a 0 Pages TS I B 3.6-91 and TS / B 3.6-92 3 Page TS I B 3.6-93 2 Pages TS / B 3.6-94 through TS / B 3.6-96 1 Page TS I B 3.6-97 2 Page TS / B 3.6-98 1 Page TS I B 3.6-99 2 Pages TS / B 3.6-100 7 Page TS / B 3.6-l00a 6 Page TS I B 3.6-100b 4 Page TS / B 3.6-100c 0 Pages TS / B 3.6-101 and TS / B 3.6-102 1 Pages TS I B 3.6-103 and TS / B 3.6-104 2 Page TS I B 3.6-105 3 Page TS I B 3.6-1 06 2 Page TS / B 3.6-107 3 B 3.7 PLANT SYSTEMS BASES Pages TS / B 3.7-1 3 Page TS I B 3.7-2 4 Pages TS / B 3.7-3 through TS / B 3.7-5 3 Page TS I B 3.7-5a I Page TS I B 3.7-6 3 Page TS I B 3.7-6a 2 Page TS I B 3.7-6b I Page TS I B 3.7-6c 2 Page TS I B 3.7-7 3 Page TS / B 3.7-8 2 Pages TS / B 3.7-9 through TS / B 3.7-11 1 Pages TS I B 3.7-12 and TS I B 3.7-13 2 Pages TS I B 3.7-14 through TS / B 3.7-18 3 Page TS I B 3.7-18a 1 Pages TS / B 3.7-18b through TS I B 3.7-18e 0 TSIB LOES-8 Revision 122 SUSQUEHANNA-UNITI SUSQUEHANNA - UNIT 1 TS / B LOES-8 Revision 122

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Section Title Revision Pages TS / B 3.7-19 through TS / B 3.7-23 1 Page TIS / B 3.7-24 1 Pages TS./ B 3.7-25 and TS I B 3.7-26 0 Pages TS / B 3.7-27 through TS / B 3.7-29 5 Page TS / B 3.7-30 2 Page TS /B 3.7-31 1 Page TS / B 3.7-32 0 Page TS / B 3.7-33 1 Pages TS I B 3.7-34 through TS / B 3.7-37 0 B 3.8 ELECTRICAL POWER SYSTEMS BASES Page TS / B 3.8-1 3 Pages TS I B] 3.8-2 and TS / B] 3.8-3 2 Page TS I B] 3.8-4 3 Pages TS I B] 3.8-4a and TS I B] 3.8-4b 0 Page TS I B] 3.8-5 5 Page TS / B] 3.8-6 3 Pages TS I B] 3.8-7 through TSIB 3.8-8 2 Page TS I B 3.8-9 4 Page TS / B] 3.8-10 3 Pages TS I B] 3.8-1 land TS / B] 3.8-17 2 Page TS / B] 3.8-18 3 Pages TS I B] 3.8-19 through TS I B] 3.8-21 2 Pages TS I B] 3.8-22 and TS I B 3.8-23 3 Pages TS / B] 3.8-24 through TS / B] 3.8-30 2 Pages TS / B] 3.8-31 and TS / B] 3.8-32 3 Pages TS 1B 3.8-33 through TS / B] 3.8-37 2 Pages B] 3.8-38 through B] 3.8-44 0 Page TS I B] 3.8-45 3 Pages TS I B] 3.8-46 through TS I B] 3.8-48 0 Pages TS I B] 3.8-49 and TS / B 3.8-50 3 Page TS / B] 3.8-51 1 Page TS / B 3.8-52 0 Page TS / B 3.8-53 1 Pages TS / B] 3.8-54 through TS / B] 3.8-57 2 Pages TS I B] 3.8-58 through TS / B 3.8-61 3 Pages TS / B] 3.8-62 and TS / B] 3.8-63 5 Page TS / B] 3.8-64 4 Page TS / B 3.8-65 5 Pages TS / B] 3.8-66 through TS I B] 3.8-77 1 Pages TS / B] 3.8-77A through TS / B] 3.8-77C 0 Pages B] 3.8-78 through B] 3.8-80 0 Page TS / B 3.8-81 1 Pages B] 3.8-82 through B] 3.8-90. 0 TS/BLOES-9 Revision 122 SUSQUEHANNA UNIT SUSQUEHANNA- -

UNIT I1 TS / B LOES-9 Revision 122

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Section Title Revision B 3.9 REFUELING OPERATIONS BASES Pages TS I B 3.9-1 and TS / B 3.9-la 1 Pages TS I B 3.9-2 through TS / B 3.9-5 1 Pages TS / B 3.9-6 through TS / B 3.9-8 0 Pages B 3.9-9 through B 3.9-18 0 Pages TS / B 3.9-19 through TS I B 3.9-21 1 Pages B 3.9-22 through B 3.9-30 0 B 3.10 SPECIAL OPERATIONS BASES Page TS I B 3.10-1 2 Pages TIS / B 3.10-2 through TS I B 3.10-5 1 Pages B 3.10-6 through B 3.10-31 ,

Page TS / B 3.10-32 2 Page B 3.10-33 0 Page TS I B 3.10-34 1 Pages B 3.10-35 and B 3.10-36 0 Page TS / B 3.10-37 1 Page TS / B 3.10-38 2 Revision 122 SUSQUEHANNA UNIT SUSQUEHANNA- - UNIT 1I TS B LOES-lO TS /I B LOES-10 Revision 122

Rev. 10 SCIVs B 3.6.4.2 3.6 CONTAINMENT SYSTEMS B 3.6.4.2 Secondary Containment Isolation Valves (SCIVs)

BASES BACKGROUND The function of the SCIVs, in combination with other accident mitigation systems, is to limit fission product release during and following postulated Design Basis Accidents (DBAs) (Ref. 1). Secondary containment isolation within the time limits specified for those isolation valves designed to close automatically ensures that fission products that leak from primary containment into secondary containment following a DBA, or that are released during certain operations when primary containment is not required to be OPERABLE or take place outside primary containment, are maintained within the secondary containment boundary.

The OPERABILITY requirements for SCIVs help ensure that an adequate secondary containment boundary is maintained during and after an accident by minimizing potential paths to the environment. These isolation devices consist of either passive devices or active (automatic) devices. Manual valves or dampers, de-activated automatic valves or dampers secured in their closed position (including check valves with flow through the valve secured), and blind flanges are considered passive devices.

Automatic SClVs close on a secondary containment isolation signal to establish a boundary for untreated radioactive material within secondary containment following a DBA or other accidents.

Other non-sealed penetrations which cross a secondary containment boundary are isolated by the use of valves in the closed position or blind flanges.

APPLICABLE The SCIVs must be OPERABLE to ensure the secondary containment SAFETY barrier to fission product releases is established. The principal accidents for ANALYSES which the secondary containment boundary is required are a loss of coolant accident (Ref. 1) and a fuel handling accident inside secondary containment (Ref. 2). The secondary containment performs no active function in response to either of these limiting events, but the boundary (continued)

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Rev. 10 SClVs B 3.6.4.2 BASES APPLICABLE established by SCI Vs is required to ensure that leakage from the primary SAFETY containment is processed by the Standby Gas Treatment (SGT) System ANALYSES before being released to the environment.

(continued)

Maintaining SClVs OPERABLE with isolation times within limits ensures that fission products will remain trapped inside secondary containment so that they can be treated by the SGT System prior to discharge to the environment.

SCl Vs satisfy Criterion 3 of the NRC Policy Statement (Ref. 3).

LCO SClVs that form a part of the secondary containment boundary are required to be OPERABLE. Depending on the configuration of the secondary containment only specific SCIVs are required. The SCIV safety function is related to control of offsite radiation releases resulting from DBAs.

The automatic isolation valves are considered OPERABLE when their isolation times are within limits and the valves actuate on an automatic isolation signal. The valves covered by this LCO, along with their associated stroke times, are listed in Table B 3.6.4.2-1.

The normally closed isolation valves or blind flanges are considered OPERABLE when manual valves are closed or open in accordance with appropriate administrative controls, automatic SClVs are deactivated and secured in their closed position, or blind flanges are in place. These passive isolation valves or devices are listed in Table B3.6.4.2-2. Penetrations closed with sealants are considered part of the secondary containment boundary and are not considered penetration flow paths.

Certain plant piping systems (e.g., Service Water, RHR Service Water, Emergency Service Water, Feedwater, etc.) penetrate the secondary containment boundary. The intact piping within secondary containment provides a passive barrier which maintains secondary containment requirements. When the SDHR and temporary chiller system piping is connected and full of water, the piping forms the secondary containment boundary and the passive devices in TS Bases Table B3.6.4.2-2 are no longer required for these systems since the piping forms the barrier. During certain plant evolutions, piping systems may be drained and breached within secondary containment. During the pipe breach, system isolation valves can be used to provide secondary containment isolation. The isolation valve alignment will be controlled when the piping system is breached.

(continued)

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/ B 3.6-92 Revision 3

Rev. 10 SCIVs B 3.6.4.2 BASES (continued)

APPLICABILITY In MODES 1, 2, and 3, a DBA could lead to a fission product release to the primary containment that leaks to the secondary containment. Therefore, the OPERABILITY of SCIVs is required.

In MODES 4 and 5, the probability and consequences of these events are reduced due to pressure and temperature limitations in these MODES.

Therefore, maintaining SC1 Vs OPERABLE is not required in MODE 4 or 5, except for other situations under which significant radioactive releases can be postulated, such as during operations with a potential for draining the reactor vessel (OPDRVs), during CORE ALTERATIONS, or during movement of irradiated fuel assemblies in the secondary containment.

Moving irradiated fuel assemblies in the secondary containment may also occur in MODES 1, 2, and 3.

ACTIONS The ACTIONS are modified by three Notes. The first Note allows penetration flow paths to be unisolated intermittently under administrative controls. These controls consist of stationing a dedicated operator, who is in continuous communication with the control room, at the controls of the isolation device. In this way, the penetration can be rapidly isolated when a need for secondary containment isolation is indicated.

The second Note provides clarification that for the purpose of this LCO separate Condition entry is allowed for each penetration flow path. This is acceptable, since the Required Actions for each Condition provide appropriate compensatory actions for each inoperable SCIV. Complying with the Required Actions may allow for continued operation, and subsequent inoperable SCIVs are governed by subsequent Condition entry and application of associated Required Actions.

The third Note ensures appropriate remedial actions are taken, if necessary, if the affected system(s) are rendered inoperable by an inoperable SCIV.

A.1 and A.2 In the event that there are one or more required penetration flow paths with one required SCIV inoperable, the affected penetration flow path(s) must be isolated. The method of isolation must include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic SCIV, a closed manual valve, and a blind flange. For penetrations isolated in (continued)

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Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS A.1 and A.2 (continued) accordance with Required Action A.1, the device used to isolate the penetration should be the closest available device to secondary containment. The Required Action must be completed within the 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> Completion Time. The specified time period is reasonable considering the time required to isolate the penetration, and the probability of a DBA, which requires the SCIVs to close, occurring during this short time is very low.

For affected penetrations that have been isolated in accordance with Required Action A.1, the affected penetration must be verified to be isolated on a periodic basis. This is necessary to ensure that secondary containment penetrations required to be isolated following an accident, but no longer capable of being automatically isolated, will be in the isolation position should an event occur. The Completion Time of once per 31 days is appropriate because the valves are operated under administrative controls and the probability of their misalignment is low. This Required Action does not require any testing or device manipulation. Rather, it involves verification that the affected penetration remains isolated.

Condition A is modified by a Note indicating that this Condition is only applicable to those penetration flow paths with two SCIVs. For penetration flow paths with one SCIV, Condition C provides the appropriate Required Actions.

Required Action A.2 is modified by a Note that applies to devices located in high radiation areas and allows them to be verified closed by use of administrative controls. Allowing verification by administrative controls is considered acceptable, since access to these areas is typically restricted.

Therefore, the probability of misalignment, once they have been verified to be in the proper position, is low.

B.1 With two SCIVs in one or more penetration flow paths inoperable, the affected penetration flow path must be isolated within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />. The method of isolation must (continued)

SUSQUEHANNA - UNIT 1 TS / B 3.6-94 S/B3694Rvso Revision 1

Rev. 10 SCI Vs B 3.6.4.2 BASES ACTIONS B.1 (continued) include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic valve, a closed manual valve, and a blind flange. The 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Completion Time is reasonable considering the time required to isolate the penetration and the probability of a OBA, which requires the SCIVs to close, occurring during this short time, is very low.

The Condition has been modified by a Note stating that Condition B is only applicable to penetration flow paths with two isolation valves. For penetration flow paths with one SCIV, Condition C provides the appropriate Required Actions.

C.1 and C.2 With one or more required penetration flow paths with one required SCIV inoperable, the inoperable valve must be restored to OPERABLE status or the affected penetration flow path must be isolated. The method of isolation must include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic valve, a closed manual valve, and a blind flange. A check valve may not be used to isolate the affected penetration. Required Action C.1 must be completed within the 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Completion Time. The Completion Time of 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> is reasonable considering the relative stability of the system (hence, reliability) to act as a penetration isolation boundary and the relative importance of supporting secondary containment OPERABILITY during MODES 1, 2, and 3.

In the event the affected penetration flow path is isolated in accordance with Required Action C.1, the affected penetration must be verified to be isolated on a periodic basis. This is necessary to ensure that secondary containment penetrations required to be isolated following an accident are isolated.

The Completion Time of once per 31 days for verifying each affected penetration is isolated is appropriate because the (continued)

SUSQUEHANNA - UNIT I1SB.-5Rvso TS / B 3.6-95 Revision 1

Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS C.1 and C.2. (continued) valves are operated under administrative controls and the probability of their misalignment is low.

Condition C is modified by a Note indicating that this Condition is only applicable to penetration flow paths with only one SCIV. For penetration flow paths with two SCIVs, Conditions A and B provide the appropriate Required Actions.

Required Action C.2 is modified by a Note that applies to valves and blind flanges located in high radiation areas and allows them to be verified by use of administrative means. Allowing verification by administrative means is considered acceptable, since access to these areas is typically restricted.

Therefore, the probability of misalignment of these valves, once they have been verified to be in the proper position, is low.

D.1 and D.2 If any Required Action and associated Completion Time cannot be met, the plant must be brought to a MODE in which the LCO does not apply. To achieve this status, the plant must be brought to at least MODE 3 within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and to MODE 4 within 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />. The allowed Completion Times are reasonable, based on operating experience, to reach the required plant conditions from full power conditions in an orderly manner and without challenging plant systems.

E.1. E.2. and E.3 If any Required Action and associated Completion Time are not met, the plant must be placed in a condition in which the LCO does not apply. If applicable, CORE ALTERATIONS and the movement of irradiated fuel assemblies in the secondary containment must be immediately suspended.

Suspension of these activities shall not preclude completion of movement of a component to a safe position. Also, if applicable, actions must be immediately initiated to suspend OPDRVs in order to minimize the probability of a vessel draindown and the subsequent potential for fission product release. Actions must continue until OPDRVs are suspended.

(continued)

SUSQUEHANNA - UNIT 1 TSSB.-6Rvso

/ B 3.6-96 Revision 1

Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS E.1, E.2, and E.3 (continued)

Required Action E.1 has been modified by a Note stating that LCO 3.0.3 is not applicable. If moving irradiated fuel assemblies while in MODE 4 or 5, LCO 3.0.3 would not specify any action. If moving fuel while in MODE 1, 2, or 3, the fuel movement is independent of reactor operations.

Therefore, in either case, inability to suspend movement of irradiated fuel assemblies would not be a sufficient reason to require a reactor shutdown.

SURVEILLANCE SR 3.6.4.2.1 REQU IREM ENTS This SR verifies that each secondary containment manual isolation valve and blind flange that is required to be closed during accident conditions is closed. The SR helps to ensure that post accident leakage of radioactive fluids or gases outside of the secondary containment boundary is within design limits. This SR does not require any testing or valve manipulation.

Rather, it involves verification (typically visual) that those required SCIVs in secondary containment that are capable of being mispositioned are in the correct position.

Since these SCIVs are readily accessible to personnel during normal operation and verification of their position is relatively easy, the 31 day Frequency was chosen to provide added assurance that the SCIVs are in the correct positions.

Two Notes have been added to this SR. The first Note applies to valves and blind flanges located in high radiation areas and allows them to be verified by use of administrative controls. Allowing verification by administrative controls is considered acceptable, since access to these areas is typically restricted during MODES 1, 2, and 3 for ALARA reasons.

Therefore, the probability of misalignment of these SCIVs, once they have been verified to be in the proper position, is low.

A second Note has been included to clarify that SCIVs that are open under administrative controls are not required to meet the SR during the time the SCIVs are open.

(continued)

SUSQUEHANNA -UNIT1IT TS / B 3.6-97

.- 7Rvso Revision 2

Rev. 10 SCIVs B 3.6.4.2 BASES SURVEILLANCE SR 3.6.4.2.2 REQUIREMENTS (continued) SCIVs with maximum isolation times specified in Table B 3.6.2.4-1 are tested every 92 days to verify that the isolation time is within limits to demonstrate OPERABILITY. Automatic SCI Vs without maximum isolation times specified in Table B 3.6.4.2-1 are tested under the requirements of SR 3.6.4.2.3. The isolation time test ensures that the SCIV will isolate in a time period less than or equal to that assumed in the safety analyses.

SR 3.6.4.2.3 Verifying that each automatic required SCIV closes on a secondary containment isolation signal is required to prevent leakage of radioactive material from secondary containment following a DBA or other accidents.

This SR ensures that each automatic SCIV will actuate to the isolation position on a secondary containment isolation signal. The LOGIC SYSTEM FUNCTIONAL TEST in SR 3.3.6.2.5 overlaps this SR to provide complete testing of the safety function. The 24 month Frequency is based on the need to perform this Surveillance under the conditions that apply during a plant outage and the potential for an unplanned transient if the Surveillance were performed with the reactor at power. Operating experience has shown these components usually pass the Surveillance when performed at the 24 month Frequency. Therefore, the Frequency was concluded to be acceptable from a reliability standpoint.

REFERENCES 1. FSAR, Section 6.2.

2. FSAR, Section 15.
3. Final Policy Statement on Technical Specifications Improvements, July 22, 1993 (58 FR 39132).

SUSQUEHANNA - UNIT 1 TSS/B3698Rvso

/ B 3.6-98 Revision 1

Rev. 10 SCIVs B 3.6.4.2 Table EB3.6.4.2-1 Secondary Containment Ventilation System Automatic Isolation Dampers (Page 1 of 1)

Reactor Building ITMaximum Valve Number Valve Description Type of Valve Isolation Zone Time Zone (Seconds)

I HD-17586 A&B Supply System Dampers Automatic Isolation Damper 10.0 I HD-17524 A&B Filtered Exhaust SystemDampers Automatic Isolation Damper 10.0 I HD-17576A&B Unfiltered Exhaust System Automatic Isolation Damper 10.0 II HD2786A& SppySyte DmprsAuomtc soatonDape 1.

II HD-27524 A&B Suplyee xasSystem Dampers Automatic Isolation Damper 10.0 I] HD-275724A&B Ufiltered Exhaust SystemDmes Automatic Isolation Damper 10.0 IlI HD-1 7564 A&B Supply System Dampers Automatic Isolation Damper 14.0 Ill HD-1 7514 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 6.5 111 HD-17502 A&B Unfiltered Exhaust System Automatic Isolation Damper 6.0 Il1 HD-27564 A&B Supply System Dampers Automatic Isolation Damper 14.0 Ill HD-27514 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 6.5 I[l HD-27502 A&B Unfiltered Exhaust System Automatic Isolation Damper 6.0 N/A HD-17534A Zone 3 Airlock 1-606 Automatic Isolation Damper N/A N/A HD-17534B Zone 3Airlock 1-611 Automatic Isolation Damper N/A N/A HD-17534D Zone 3 Airlock 1-803 Automatic Isolation Damper N/A N/A HD-17534E Zone 3 Airlock 1-805 Automatic Isolation Damper N/A N/A HD-17534F Zone 3 Airlock 1-617 Automatic Isolation Damper N/A N/A HD-17534H Zone 3 Airlock I-SI8 Automatic Isolation Damper N/A N/A HD-27534A Zone 3 Airlock 11-605 Automatic Isolation Damper N/A N/A HD-27534D Zone 3 Airlock 11-803 Automatic Isolation Damper N/A N/A HD-27534E Zone 3 Airlock 11-805 Automatic Isolation Damper N/A N/A HD-27534G Zone 3 Airlock C-806 Automatic Isolation Damper N/A N/A HD-27534H Zone 3 Airlock 11-618 Automatic Isolation Damper N/A N/A HD-275341 Zone 3 Airlock 11-609 Automatic Isolation Damper N/A SUSQUEHANNA -UNIT1IT .- 9Rvso TS / B 3.6-99 Revision 2

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 1 of 4)

Device Device Description ]Area/Elev ]Required Position I Notes Number SH ytm oFe oo olngYr!7 BidFage!Nt X-29-2-44 SDHR System to Fuel Pool Cooling Yard/670 Blind Flanged / Note I 1101764- SDHR Supyse Drai Vuel Closed Manual is/ ale 29lColnYr/670 Note 1 110186 SDHR DSuhppgy Drain Vlv 29/670 Closed Manual iso Valve! Note 1-110180 SDHR Supply Vent Vlv 29/749 Closed Manual iso Valve!/Note 1-110181 SDHR Discharge Fill Vlv 27/749 Closed Manual iso Valve!/ Note 1 110182 SDHR Discharge Vent Vlv 27/749 Closed Manual Iso Valve!/ Note 1 110187 SDHR Supply Fill Vlv 29/749 Closed Manual iso Valve!I Note 1 21 01 86 SDHR Supply Drain Vlv 33/749 Closed Manual iso Valve!/Note 1 210187 SDHR Supply Vent Viv 33/749 Closed Manual iso Valve!/ Note 1-210191 SD HR Discharge Vent VIv 30/749 Closed Manual iso Vaive!/Note 1 210192 SDHR Discharge Drain Vlv 30/749 Closed Manual iso Valve!/Note 1 210193 SDHR Discharge Vent Vlv 33/749 Closed Manual iso Valve!/ Note I X-29-2-46 Temporary Chiller to RBCW Yard!670 Blind Flanged!/ Note 2 X-29-2-47 Temp5orary Chiller to RBCW Yard!670 Blind Flanged / Note 2 X-29-5-95 Temporary Chiller to Unit 1 RBCW 29/749 Blind Flanged / Note 2 X-29-5-96 Temporary Chiller to Unit 1 RBCW 29/749 Blind Flanged / Note 2 X-29-5-91 Temporary Chiller to Unit 2 RBCW 33/749 Blind Flanged / Note 2 X-29-5-92 Temporary Chiller to Unit 2 RBCW 33/749 Blind Flanged / Note 2 187388 R BCW Temp Chiller Discharge Iso Vlv 29/670 Closed Manual iso Valve!/ Note 2 187389 RBCW Temp Chiller Supply Iso Vlv 29/670 Closed Manual Iso Valve!/ Note 2 187390 RBCW Temp Chiller Supply Drain Vlv 29/670 Closed Manual iso Valve!/ Note 2 187391 RBCW Temp Chiller Discharge Drain Vlv 29/670 Closed Manuel iso Valve!/ Note 2 X-28-2-3000 Utility Penetration to Unit 1 East Stairwell Yard!670 Blind Flanged / Note 3 X(:29-2-48 Utility Penetration to Unit 1 RR Bay. Yard!670 Capped!/ Note 5 X-33-2-3000 Utility Penetration to Unit 2 East Stairwell Yard!670 Blind Flanged I Note 4 X-28-2-3000 Utility Penetration to Unit 1 East Stairwell 28/670 Blind Flanged!/ Note 3 X-29-2--48 Utility Penetration to Unit 1 RR Bay 29/670 Capped!/ Note 5 X-33-2-3000 Utility Penetration to Unit 2 East Stairwell 33/670 Blind Flanged!/ Note 4 X(-29-3-54 Utility Penetration to Unit 1 RBCCW Hx Area 27/683 Blind Flanged ! Note 6 X-29-3-55 Utility Penetration to Unit 1 RBCCW Hx Area 27/683 Blind Flanged!/ Note 6 X-29-5-97 Utility Penetration from Unit 1 RR Bay to Unit 2 Elev. 749 33/749 Capped X-27-6-92 Instrument Tubing Stubs 27/779' Capped X(-29-7-4 1" Spare Conduit Threaded Plug 29/81 8' Installed X--30-6-72 Instrument Tubing Stubs 30/779' Capped X-30-6-1 002 Stairwell #214 Rupture Disc 30/779' Installed Intact X-30-6-1 003 Airlock 11-609 Rupture Disc 30/779' Installed Intact SUSQUEHANNA - UNIT 1 TSSIB361

/ B 3.6-1 O0 0Rvso Revision 7

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 2 of 4)

DeieDevice Description TraievJRequired Position / Notes X-25-6-1 008 Airlock 1-606 Rupture Disc 25/779' Installed Intact X-29-4-D1 -B Penetration at Door 4330 29/719' Blind Flange Installed X-29-4-DI1-A Penetration at Door 4330 29/719' Blind Flange Installed X-29-4-D1 -B Penetration at Door 404 33/719' Blind Flange Installed X-29-4-D1 -A Penetration at Door 404 33/719' Blind Flange Installed HD17534C Airlock 1-707 Blind Flange 28/799' Blind Flange Installed HD27534C Airlock 11-707 Blind Flange 33/799' Blind Flange Installed XD-1 7513 Isolation damper for Railroad Bay Zone Ill HVAC Supply 29/799' Position is dependent on Railroad Bay alignment XD-1 7514 Isolation damper for Railroad Bay Zone IIIHVAC Exhaust 29/719' Position is dependent on Railroad

____________________________________________________Bay alignment XD-1 2301 PASS Air Flow Damper 11/729' Closed Damper XD-223D1 PASS Air Flow Damper 22/729' Closed Damper 161827 HPCI Blowout Steam Vent Drain Valve 25/645' Closed Manual Iso Valve!/ Note 3 161828 RCIC Blowout Steam Vent Drain Valve 28/645' Closed Manual Iso Valve!/ Note 3 161829 'A' RHR Blowout Steam Vent Drain Valve 29/645' Closed Manual Iso Valve!/ Note 3 161830 'B' RHR Blowout Steam Vent Drain Valve 28/645' Closed Manual Iso Valve t Note 3 261820 RCIC Blowout Steam Vent Drain Valve 33/645' Closed Manual Iso Valve / Note 4 261821 'A' RHR Blowout Steam Vent Drain Valve 34/645' Closed Manual iso Valve / Note 4 261822 'B' RHR Blowout Steam Vent Drain Valve 33/645' Closed Manual iso Valve!/ Note 4 1LRWI810U Zone Ill Floor Drain 29-818 Plugged / Note 7 1LRWI810V Zone Ill Floor Drain 29-818 Plugged!/ Note 7 1LRW1810W Zone Ill Floor Drain 29-818 Plugged!/ Note 7 1LRWI810DX Zone Ill Floor Drain 29-818 Plugged!/ Note 7 1LRWI810DY Zone Ill Floor Drain 29-818 Plugged /Note 7 1LRWI810DZ Zone Ill Floor Drain 29-818 Plugged!/ Note 7 ILRW181 OFF Zone Ill Floor Drain 29-818 Plugged / Note 7 1LRWI810GG Zone Ill Floor Drain 29-818 Plugged / Note 7 1LRWI8I0HH Zone Ill Floor Drain 29-818 Plugged / Note 7 1LRWi181JJ Zone Ill Floor Drain 29-818 Plugged / Note 7 1LRWI810DKK Zone Ill Floor Drain 29-818 Plugged!/ Note 7 1LRWI61 5A Zone I, Zone Ill, or No Zone Floor Drain 29-779 Plugged!/ Note 7 1LRWI100DA Zone I, Zone III,or No Zone Floor Drain 29-670 Plugged / Note 7 1LRWI1 0DB Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged / Note 7 1LRWI100C Zone I, Zone III,or No Zone Floor Drain 29-670 Plugged!/ Note 7 1LRWI100D Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged / Note 7 1LRWI100E Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged / Note 7 1LRWI100OF Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged I Note 7 I LRWII1DOG Zone I, Zone l11,or No Zone Floor Drain 29-870 Plugged!/ Note 7 SUSQUEHANNA - UNIT 1 TS SIB36lOaRvso

/ B 3.6-100a Revision 6

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 3 of 4)

DeieDevice Description ( Required Position I Notes 2LRW1810L Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRWI810M Zone Ill Floor Drain 34-818 Plugged / Note 7 2LRWI8ION Zone IIIFloor Drain 34-818 Plugged!/ Note 7 2LRWI81lOR Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRWI81OS Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRWI703A Zone II Floor Drain 34-799 Plugged!/ Note 7 2LRW1615A Zone II Floor Drain 34-779 Plugged!/ Note 7F 2LRWI1OOA Zone II Floor Drain 34-670 Plugged!/ Note 7 2LRWIIOOB Zone II Floor Drain 34-670 Plugged!/ Note 7 2LRWI1OOC Zone II Floor Drain 34-670 Plugged!I Note 7 2LRWIIO0D Zone II Floor Drain 34-670 Plugged!/ Note 7 2LRWIIOOE Zone II Floor Drain 34-870 Plugged!/ Note 7I 2LRWlIOOF Zone II Floor Drain 34-670 Plugged!/ Note 7 2LRWI1OOG Zone II Floor Drain 34-670 Plugged!/ Note 7 SUSQUEHANNA - UNIT I1SIB36bbRvso TS / B 3.6-100b Revision 4

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 4 of 4)

Note 1: The two blind flanges on the SDHR penetrations (blind flanges for device number X-29-2-44 and X-29-2-.45) and all the closed manual valves for the SDHR system (110176, 110186, 110180, 110181,110182, 110187, 210186, 210187, 210191,210192, 210193) can each be considered as a separate secondary containment isolation device for the SDHR penetrations. If one or both of the blind flanges is removed and all the above identified manual valves for the SDHR system are closed, the appropriate LCO should be entered for one inoperable SCIV in a penetration flow path with two SCIVs. With the blind flange removed, the manual valves could be opened intermittently under administrative controls per the Technical Specification Note. When both SDHR blind flanges are installed, opening of the manual valves for the SDHR system will be controlled to prevent cross connecting ventilation zones. When the manual valves for the SDHR system are open in this condition, the appropriate LCO should be entered for one inoperable SCIV in a penetration flow path with two SCIVs. When the SDHR system piping is connected and full of water, the piping forms the secondary containment boundary and the above listed SClVs in Table B3.6.4.2-2 are no longer required for this system since the piping forms the barrier.

Note 2: Due to the multiple alignments of the RBCW temporary chiller, different devices will perform the SCIV function depending on the RBCW configuration. There are three devices/equipment that can perform the SCIV function for the RBCW temporary chiller supply penetration. The first SCIV for the RBCW temporary chiller supply penetration is the installed blind flange on penetration X(-29-2-47. The second SCIV for the RBCW temporary chiller supply penetration is isolation valve 187389. The third SCIV for the temporary RBCW chiller supply penetration is closed drain valve 187390 and an installed blind flange on penetrations X-29-5-92 and X-29-5-96. Since there are effectively three SClVs, any two can be used to satisfy the SCIV requirements for the penetration. Removal of one of the two required SCIVs requires entry into the appropriate LCO for one inoperable SCIV in a penetration flow path with two SCIVs. Opening of drain valve 187390 and operation of blank flanges X-29-5-96 and X-29-5-92 will be controlled to prevent cross connecting ventilation zones. These three SCIVs prevent air leakage. The isolation of the penetration per the Technical Specification requirement is to assure that one of the above SCIVs is closed so that there is no air leakage.

There are three devices/equipment that can perform the SCiV function for the RBCW temporary chiller return penetration. The first SCIV for the RBCW temporary chiller retumn penetration is the installed blind flange on penetration X-29-2-46. The second SClV for the RBCW temporary chiller return penetration is isolation valve 187388. The third SCIV for the temporary R BCW chiller return penetration is closed drain valve 187391 and an installed blind flange on penetrations X-29-5-91 and X-29-5-95. Since there are effectively three SCIVs, any two can be used to define the SCIV for the penetration. Removal of one of the two required SCIVs requires entry into the appropriate LCO for one inoperable SCIV in a penetration flow path with two SCIVs. Opening of drain valve 187391 and operation of blank flanges X-29-5-91 and X-29-5-95 will be controlled to prevent cross connecting ventilation zones. These three SCIVs prevent air leakage. The isolation of the penetration per the Technical Specification requirement is to assure that one of the above SCIVs is closed so that there is no air leakage.

When the RBCW temporary chiller piping is connected and full of water, the piping inside secondary containment forms the secondary containment boundary and the above listed SCIVs in Table 83.6.4.2-2 are no longer required for this system.

Note 3: These penetrations connect Secondary Containment Zone I to a No-Zone. When Secondary Containment Zone I is isolated from the recirculation plenum, the above listed SCIVs in Table B3.6.4.2-2 are no longer required.

Note 4: These penetrations connect Secondary Containment Zone IIto a No-Zone. When Secondary Containment Zone Ilis isolated from the recirculation plenum, the above listed SCIVs in Table B3.6.4.2-2 are no longer required.

Note 5: These penetrations connect the Railroad Bay to a No-Zone. When the Railroad Bay is a No-Zone, the above listed SCIVs in Table 83.6.4.2-2 are no longer required.

Note 6: These penetrations connect Secondary Containment Zone Ito the Railroad Bay. The above listed SCIVs in Table B3.6.4.2-2 are not required ifthe Railroad Bay is a No-Zone and Zone I is isolated from the recirculation plenum OR if the Railroad Bay is aligned to Zone I.

Note 7: Due to a drain header containing multiple floor drains in different ventilation zones, drain plugs were installed in all of the drain header floor drains. To provide the passive Secondary Containment boundary only drain plugs in one ventilation zone are required to be installed.

SUSQUEHANNA - UNIT I1S/B36IOCRvso TS / B 3.6-100c Revision 0

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SSES MANUAL Manual Name: TSB2 Manual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL Table Of Contents Issue Date: 02/02/2016 Procedure Name Rev Issue Date Change ID Change Number TEXT LOES 126 02/02/2 016 Title: LIST OF EFFECTIVE SECTIONS TEXT TOC 22 07/02/2014 Title: TABLE OF CONTENTS TEXT 2.1.1 5 01/22 /2 015 Title: SAFETY LIMITS (SLS) REACTOR CORE SLS TEXT 2.1.2 1 10/04/2007 Title: SAFETY LIMITS (SLS) REACTOR COOLANT SYSTEM (RCS) PRESSURE SL TEXT 3.0 3 08/20/2009 Title: LIMITING CONDITION FOR OPERATION (LC0) APPLICABILITY TEXT 3.1.1 1 03/24/2 005 Title: REACTIVITY CONTROL SYSTEMS SHUTDOWN MARGIN (SDM)

TEXT 3.1.2 0 11/18/2002 Title: REACTIVITY CONTROL SYSTEMS REACTIVITY ANOMALIES TEXT 3.1.3 2 01/19/2 009 Title: REACTIVITY CONTROL SYSTEMS CONTROL ROD OPERABILITY TEXT 3.1.4 4 01/30/2009 Title: REACTIVITY CONTROL SYSTEMS CONTROL ROD SCRAM TIMES TEXT 3.1.5 1 07/06/2005 Title: REACTIVITY CONTROL SYSTEMS CONTROL ROD SCRAM ACCUMULATORS TEXT 3.1.6 3 02 /24/2 014 Title: REACTIVITY CONTROL SYSTEMS ROD PATTERN CONTROL Report Date: 02/03/16 Page~

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SSES MA.NUAL Manual Name: TSB2

  • Manual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL TEXT 3.1.7 3 10/04/2007 Title: REACTIVITY CONTROL SYSTEMS STANDBY LIQUID CONTROL (SLC) SYSTEM TEXT 3.1.8 3 05/06/2009 Title: REACTIVITY CONTROL SYSTEMS SCRAM DISCHARGE VOLUME (SDV) VENT AND DRAIN VALVES TEXT 3.2.1 4 05/06/2009 Title: POWER DISTRIBUTION LIMITS AVERAGE PLANAR LINEAR HEAT GENERATION RATE (APLHGR)

TEXT 3.2.2 3 05/06/2009 Title: POWER DISTRIBUTION LIMITS MINIMUM CRITICAL POWER RATIO (MCPR)

TEXT 3.2.3 2 05/06/2009 Title: POWER DISTRIBUTION LIMITS LINEAR HEAT GENERATION RATE LHGR TEXT 3.3.1.1 5 02/24/2014 Title: INSTRUMENTATION REACTOR PROTECTION SYSTEM (RPS) INSTRUMENTATION TEXT 3.3.1.2 2 01/19/2009 Title: INSTRUMENTATION SOURCE RANGE MONITOR (SRM) INSTRUMENTATION TEXT 3.3.2.1 3 02/24/2014 Title: INSTRUMENTATION CONTROL ROD BLOCK INSTRUMENTATION TEXT 3.3.2.2 2 02/22/2012 Title: INSTRUMENTATION FEEDWATER - MAIN TURBINE HIGH WATER LEVEL TRIP INSTRUMENTATION TEXT 3.3.3.1 8 02/28/2013 Title: INSTRUMENTATION POST ACCIDENT MONITORING (PAM) INSTRUMENTATION TEXT 3.3.3.2 1 04/18/2005 Title: INSTRUMENTATION REMOTE SHUTDOWN SYSTEM 1 05/06/2009 TEXT 3.3.4.1 iiii Title: INSTRUMENTATION END OF CYCLE RECIRCULATION PUMP TRIP (EOC-RPT) INSTRUMENTATION W Page ! of Report Date: 02/03/16

SSES MANUAL Manual Name: TSB2 Manual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL TEXT 3.3.4.2 0 11/18/2002 Title: INSTRUMENTATION ANTICIPATED TRANSIENT WITHOUT SCRAM RECIRCULATION PUMP TRIP (ATWS-RPT) INSTRUMENTATION TEXT 3.3.5.1 5 02/24/2014 Title: INSTRU-MENTATION EMERGENCY CORE COOLING SYSTEM (ECCE) INSTRUMENTATION TEXT 3.3.5.2 0 11/18/2002 Title: INSTRUMENTATION REACTOR CORE ISOLATION COOLING (RCIC) SYSTEM INSTRUMENTATION TEXT 3.3.6.1 7 03/31/2014 Title: INSTRUMENTATION PRIMARY CONTAINMENT ISOLATION INSTRUMENTATION TEXT 3.3.6.2 4 09/01/2010 Title: INSTRUMENTATION SECONDARY CONTAINMENT ISOLATION INSTRUMENTATION TEXT 3.3.7.1 2 10/27/2008 Title: INSTRUMENTATION CONTROL ROOM EMERGENCY OUTSIDE AIR SUPPLY (CREOAS) SYSTEM INSTRUMENTATION TEXT 3.3.8.1 3 12/17/2007 Title: INSTRUMENTATION LOSS OF POWER (LOP) INSTRUMENTATION TEXT 3.3.8.2 0 11/18/2002 Title: INSTRUMENTATION REACTOR PROTECTION SYSTEM (RPS) ELECTRIC POWER MONITORING TEXT 3.4.1 4 07/20/2010 Title: REACTOR COOLANT SYSTEM (RCS) RECIRCULATION LOOPS OPERATING TEXT 3.4.2 3 10/23/2013 Title: REACTOR COOLANT SYSTEM (RCS) JET PUMPS TEXT 3.4.3 3 01/13/2012 Title: REACTOR COOLANT SYSTEM (RCS) SAFETY/RELIEF VALVES (S/RVS)

TEXT 3.4.4 0 11/18/2002 Title: REACTOR COOLANT SYSTEM (RCS) RCS OPERATIONAL LEAKAGE Report Date: 02/03/16 PageZ Page 3 of of 8 Report Date: 02/03/16

  • SES MANUAL Manual Name: TSB2 anual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MA~NUAL N<[

S TEXT 3.4.5 3 03/10/2010 Title: REACTOR COOLANT SYSTEM (RCS) RCS PRESSURE ISOLATION VALVE (Ply) LEAKAGE TEXT 3.4.6 4 02/19/2014 Title: REACTOR COOLANT SYSTEM (RCS) RCS LEAKAGE DETECTION INSTRUMENTATION TEXT 3.4.7 2 10/ 04/2 007 Title: REACTOR COOLANT SYSTEM (RCS) RCS SPECIFIC ACTIVITY TEXT 3.4.8 2 03 /28/2 013 Title: REACTOR COOLANT SYSTEM (RCS) RESIDUAL HEAT REMOVAL (RER) SHUTDOWN COOLING SYSTEM

- HOT SHUTDOWN TEXT 3.4.9 03/28/2013 Title: REACTOR COOLANT SYSTEM (RCS) RESIDUAL HEAT REMOVAL (RHR) SHUTDOWN COOLING SYSTEM

- COLD SHUTDOWN TEXT 3.4.10 4 11/04/2015 Title: REACTOR COOLANT SYSTEM (RCS) RCS PRESSURE AND TEMPERATURE (P/T) LIMITS TEXT 3.4.11 0 11/18/2002 Title: REACTOR COOLANT SYSTEM (RCS) REACTOR STEAM DOME PRESSURE TEXT 3.5.1 4 07/16/2014 Title: EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC)

SYSTEM ECCS - OPERATING TEXT 3.5.2 2 11/04/2015 Title: EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC)

SYSTEM ECCS - SHUTDOWN TEXT 3.5.3 3 02/24/2014 Title: EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC)

SYSTEM RCIC SYSTEM TEXT 3.6.1.1 5 02/24/2014 Title: PRIMARY CONTAINMENT TEXT 3.6.1.2 1 05/06/2009 i* Title:* CONTAINMENT SYSTEMS PRIMARY CONTAINMENT AIR LOCK Report Date: 02/03/16 Page4 Page 4 of of 88 Report Date: 02/03/16

~S*E MANUJAL M/anual Name: TSB2 nzual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL Ma.

TEXT 3.6.1.3 14 07/02/2014 Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT ISOLATION VALVES (PCIVS)

TEXT 3.6.1.4 1 05/06/2009 Title: CONTAINMENT SYSTEMS CONTAINMENT PRESSURE TEXT 3.6.1.5 1 10/05/2005 Title: CONTAINMENT SYSTEMS DRYWELL AIR TEMPERATURE TEXT 3.6.1.6 0 11/18/2002 Title: CONTAINMENT SYSTEMS SUPPRESSION CHAMBER-TO-DRYWELL VACUUM BREAKERS TEXT 3.6.2.1 2 12/17/2007 Title: CONTAINMENT SYSTEMS SUPPRESSION POOL AVERAGE TEMPERATURE TEXT 3.6.2.2 0 11/18/2002 Title: CONTAINMENT SYSTEMS SUPPRESSION POOL WATER LEVEL TEXT 3.6.2.3 1 01/16/2006 Title: CONTAINMENT SYSTEMS RESIDUAL HEAT REMOVAL (RER) SUPPRESSION POOL COOLING TEXT 3.6.2.4 0 11/18/2002 Title: CONTAINMENT SYSTEMS RESIDUAL HEAT REMOVAL (RER) SUPPRESSION POOL SPRAY TEXT 3.6.3.1 2 06/13/2006 Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT HYDROGEN RECOMBINERS TEXT 3.6.3.2 1 04/18/2005 Title: CONTAINMENT SYSTEMS DRYWELL AIR FLOW SYSTEM TEXT 3.6.3.3 1 02/28/2013 Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT OXYGEN CONCENTRATION TEXT 3.6.4.1 12 11/04/2015 Title: CONTAINMENT SYSTEMS SECONDARY CONTAINMENT Report Date: 02/03/16 Page5.

Page 5 of of 8 Report Date: 02/03/16

-gSES MANUTAL Maual Name: TSB2

-... Maual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL S TEXT 3.6.4.2 10 02/02/2016 Title: CONTAINMENT SYSTEMS SECONDARY CONTAINMENT ISOLATION VALVES (SCIVS)

TEXT 3.6.4.3 4 09/21/2006 Titles CONTAINMENT SYSTEMS STANDBY GAS TREATMENT (SGT) SYSTEM TEXT 3.7.1 5 04/27/2012 Title: PLANT SYSTEMS RESIDUAL HEAT REMOVAL SERVICE WATER (RHRSW) SYSTEM AND THE ULTIMATE HEAT SINK (U-ES)

TEXT 3.7.2 2 05/02/2008 Title: PLANT SYSTEMS EMERGENCY SERVICE WATER (ESW) SYSTEM TEXT 3.7.3 1 01/08/2010 Title: PLANT SYSTEMS CONTROL ROOM EMERGENCY OUTSIDE AIR SUPPLY (CREOAS) SYSTEM TEXT 3.7.4 0 11/18/2002 Title: PLANT SYSTEMS CONTROL ROOM FLOOR COOLING SYSTEM TEXT 3.7.5 1 10/04/2007 Title: PLANT SYSTEMS MAIN CONDENSER OFFGAS TEXT 3.7.6 3 01/25/2011 Title: PLANT SYSTEMS MAIN TURBINE BYPASS SYSTEM TEXT 3.7.7 1 10/04/2007 Title: PLANT SYSTEMS SPENT FUEL STORAGE POOL WATER LEVEL TEXT 3.7.8 0 05/06/2009 Title: MAINE TURBINE PRESSURE REGULATION SYSTEM TEXT 3.8.1 9 02/24/2014 Title: ELECTRICAL POWER SYSTEMS AC SOURCES - OPERATING TEXT 3.8.2 0 11/18/2002

!: Title: ELECTRICAL POWER SYSTEMS AC SOURCES - SHUTDOWN Report Date: 02/03/16 Page 6 Pages of of 8 Report Date: 02/03/16

SSE* MANUAL

. i:

anual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL Mi>

Manual Name: TSB2 TEXT 3.8.3 4 10/23/2 013 Title: ELECTRICAL POWER SYSTEMS DIESEL FUEL OIL LUBE OIL AND STARTING AIR TEXT 3.8.4 3 01/19/2009 Title: ELECTRICAL POWER SYSTEMS DC SOURCES - OPERATING TEXT 3.8.5 1 12 /14/2 006 Title: ELECTRICAL POWER SYSTEMS DC SOURCES - SHUTDOWN TEXT 3.8.6 1 12/14/2006 Title: ELECTRICAL POWER SYSTEMS BATTERY CELL PARAMNETERS TEXT 3.8.7 4 10/05/2005 Title: ELECTRICAL POWER SYSTEMS DISTRIBUTION SYSTEMS - OPERATING TEXT 3.8.8 0 11/18/2002 Title: ELECTRICAL POWER SYSTEMS DISTRIBUTION SYSTEMS - SHUTDOWN TEXT 3.9.1 0 11/18/2002 Title: REFUELING OPERATIONS REFUELING EQUIPMENT INTERLOCKS TEXT 3.9.2 1 09/01/2010 Title: REFUELING OPERATIONS REFUEL POSITION ONE-ROD-OUT INTERLOCK TEXT 3.9.3 0 11/18/2002 Title: REFUELING OPERATIONS CONTROL ROD POSITION TEXT 3.9.4 0' 11/18/2002 Title: REFUELING OPERATIONS CONTROL ROD POSITION INDICATION TEXT 3.9.5 0 11/18/2002 Title: REFUELING OPERATIONS CONTROL ROD OPERABILITY - REFUELING TEXT 3.9.6 1 10/04/2007 Title: REFUELING OPERATIONS REACTOR PRESSURE VESSEL (RPV) WATER LEVEL Report Date: 02/03/16 Pagel of 8 Report Date: 02/03/16 Page

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~SE* MANT-AAJ Maznual Name: TSB2 Manual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL TEXT 3.9.7 0 11/18/2002 Title: REFUELING OPERATIONS RESIDUAL HEAT REMOVAL (RHR) - HIGH WATER LEVEL TEXT 3.9.8 0 11/18/2002 Title: REFUELING OPERATIONS RESIDUAL HEAT REMOVAL (RHR) - LOW WATER LEVEL TEXT 3.10.1 1 01/23/2008 Title: SPECIAL OPERATIONS INSERVICE LEAK AND HYDROSTATIC TESTING OPERATION TEXT 3.10.2 0 11/18/2002 Title: SPECIAL OPERATIONS REACTOR MODE SWITCH INTERLOCK TESTING TEXT 3.10.3 0 11/18/2002 Title: SPECIAL OPERATIONS SINGLE CONTROL ROD WITHDRAWAL - HOT SHUTDOWN TEXT 3.10.4 0 11/18/2002 Title: SPECIAL OPERATIONS SINGLE CONTROL ROD WITHDRAWAL - COLD SHUTDOWN TEXT 3.10.5 0 11/18/2002 Title: SPECIAL OPERATIONS SINGLE CONTROL ROD DRIVE (CRD) REMOVAL - REFUELING TEXT 3.10.6 0 11/18/2002 Title: SPECIAL OPERATIONS MULTIPLE CONTROL ROD WITHDRAWAL - REFUELING TEXT 3.10.7 1 03/24/2005 Title: SPECIAL OPERATIONS CONTROL ROD TESTING - OPERATING TEXT 3.10.8 2 04/09/2007 Title: SPECIAL OPERATIONS SHUTDOWN MARGIN (SDM) TEST - REFUELING Report Date: 02/03/16 PageS of 8 Page 8 of Report Date: 02/03/16

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision TOO Table of Contents 22 B 2.0 SAFETY LIMITS BASES Page TS /B 2.0-1 2 Pages TS / B 2.0-2 and TS I B 2.0-3 5 Page TS /B 2.0-4 7 Pages TS / B 2.0-5 through TS I B 2.0-8 1 B 3.0 LCO AND SR APPLICABILITY BASES Page TS I B 3.0-1 1 Pages TS I B 3.0-2 through TS I B 3.0-4 0 Pages TS I B 3.0-5 through TS I B 3.0-7 1 Page TS I B 3.0-8 3 Pages TS I B 3.0-9 through Page TS I B 3.-12 Page TS / B 3.0-1lla 0 Page TS I B 3.0-121 Pages TS I B 3.0-13 through TS I B 3.0-1*5 2 Pages TSI/B3.0-16 and TSI/B3. 0 B 3.1 REACTIVITY CONTROL BASE

  • PagespaeT B 3.1- Through-B3.5 Page-TSBIB33.1-50 Pages TS / B3.1-6 a .2 Pages B 3.1-8 tho 0 Page TS /B 3.1 0 PageTSB 16 1 Pages through TS / B 3.1-19 0 Pa . and TSI/B 3.1-21I 3.1-24 0 a B3.1-25 through TS /B 3.1-27 1 ages TS I B 3.1-30 through TS I B 3.1-33 0 Pages TS / B 3.1.34 through TS I B 3.1-36 1 Page TS I B 3.1-38 3 Pages TS I B 3.1-39 and TS I B 3.1-40 2 Page TS I B 3.1-40a 0 Page TS I B 3.1-41 1 Page TS I B 3.1-42 2 Revision 126 TSIB LOES-1 SUSQUEHANNA - UNIT

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UNIT 22 TS / B LOES-1 Revision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Pages TS / B 3.1-43 1 Page TS / B 3.1-44 0 Page TS / B 3.1-45 3 Page TS / B 3.1-46. through TS / B 3.1-49 1 Page TS / B 3.1-50 0 Page TS / B 3.1-51 3 B 3.2 POWER DISTRIBUTION LIMITS BASES Pages TS / B 3.2-1 and TS / B 3.2-2 2 Page TS /B 3.2-3 4 Page TS / B3.2-4 1 Page TS / B 3.2-5 3 Page TS / B 3.2-6 4 Page TS / B 3.2-7 3 Pages TS / B 3.2-8 and TS / B 3.2-9 4 Pages TS / B 3.2-10 through TS / B 3.2-12 2 Page TS / B 3.2-13 .1 B] 3.3 INSTRUMENTATION Pages TS / B 3.3-1 through TS / B 3.3-4 1 Page TSI/B 3.3-5 2 Page TS / B 3.3-6 1 Page TS / B] 3.3-7 3 Page TSI/B]3.3-8 4 Pages TS / B 3.3-9 through TS / B] 3.3-13 3 Page TS / B] 3.3-14 4 Pages TS / B 3.3-15 and TS / B] 3.3-16 2 Pages TS / B] 3.3-17 through TS / B] 3.3-21 3 Pages TS / B] 3.3-22 through TS / B] 3.3-27 2 Page TS / B] 3.3-28 3 Page TS / B] 3.3-29 4 Pages TS / B] 3.3-30 and TS / B 3.3-31 3 Pages TS / B] 3.3-32 and TS / B 3.3-33 4 Page TS / B] 3.3-34 2 Pages TS / B] 3.3-34a and TS / B] 3.3-34b 1 Pages TS / B] 3.3.34c and TS / B] 3.3-34d 0 Page TS / B] 3.3-34e 1 Pages TS / B] 3.3-34f through TS / B] 3.3-34i 0 Pages TS / B] 3.3-35 and TS ./[B 3.3-36 2 Pages TS / B] 3.3-37 and TS / B] 3.3-38 1 Revision 126 UNIT 2 TS/BLOES-2 SUSQUEHANNA SUSQUEHANNA-UNIT2

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TS / B LOES-2 Revision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Page TS /B 3.3-39 2 Pages TS / B 3.3-40 through TS / B 3.3-43 1 Pages TS I B 3.3-44 through TS / B 3.3-54 3 Pages TS / B 3.3-54a through TS I B 3.3-54d 0 Page TS I B 3.3.54e 1 Page TSI/B 3.3-55 2 Page TS I B 3.3-56 0 Page TS / B 3.3-57 1 Page TIS I B 3.3-58 0 Page TS I B 3.3-59 1 Page TS / B 3.3-60 0 Page TS I B 3.3-61 1 Pages TS / B 3.3-62 and TS / B 3.3-63 0 Pages TS / B 3.3-64 and TS / B 3.3-65 2 Page TS / B3.3-66 4 Page TS / B 3.3-67 3 Page TS /B 3.3-68 4 Page TS / B 3.3.69 5 Page TS / B 3.3-70 4 Page TS / B 3.3-71 3 Pages TS I B 3.3-72 and TS / B 3.3-73 2 Page TS / B 3.3-74 3 Page TS /B 3.3-75 2 Pages TS / B 3.3-75a through TS I B 3.3-75c 6 Pages TS / B 3.3-76 and TS I B 3.3-77 0 Page TS / B 3.3-78 1 Pages TS / B 3.3-79 through TS I B 3.3-81 0 Page TS I B 3.3-82 1 Page TS I B 3.3-83 0 Pages TS / B 3.3-84 and TS / B 3.3-85 1 Page TS / B3.3-86 0

.Page TS I B 3.3-87 1 Page TSI/B 3.3-88 0 Page TS / B 3.3-89 1 Pages TS / B 3.3-90 and TS / B 3.3-91 0 Pages TS / B 3.3-92 through TS / B 3.3-103 1 Page TS / B 3.3-104 3 Pages TS / B 3.3-105 and TS/ B 3.3-106 1 Page TS I B 3.3-107 2 Page TS / B 3.3-108 1 Page TS I B 3.3-109 2 Pages TS / B3.3-110 through TSIB 3.3-112 1 Page TS / B 3.3-113 2 Revision 126 TSIBLOES-3 SUSQUEHANNA UNIT 2 SUSQUEHANNA-UNIT2

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TS / B LOES-3 Revision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Page TS / B 3.3-114 1 Page TS / B 3.3-115 2 Page TS /B 3.3-116 3 Pages TS / B 3.3-117 and TS/ B 3.3-118 2 Page TS / B 3.3-119 1 Page TS / B 3.3-120 2 Pages TS / B 3.3-121 and TS / B 3.3-122 3 Page TS I B 3.3-123 1 Page TS / B 3.3-124 2 Page TS I B 3.3-124a 0 Page TS / B 3.3-125 1 Page TS / B 3.3-126 2 Page TS I B 3.3-127 3 Page TS / B 3.3-128 2 Pages TS / B 3.3-129 through TS I B 3.3-131 1 Page TS I B 3.3-132 2 Pages TS I B 3.3-133 and TS/IB 3.3-134 1 Pages TS / B 3.3-135 through TS I B 3.3-137 0 Page TS I B 3.3-138 1 Pages TS / B 3.3-139 through TS I B 3.3-146 0 Pages B 3.3-147 through B 3.3-149 0 Page TS / B 3.3-150 1 Pages TS / B 3.3-151 through TS I B 3.3-154 2 Page TS / B 3.3-155 1 Pages TS / B 3.3-156 through TS I B 3.3-158 2 Pages TS / B 3.3-159 through TS I B 3.3-162 1 Pages TS / B 3.3-163 through TS I B 3.3-1 66 2 Pages TS / B 3.3-167 and TS / B 3.3-168 1 Pages TS l B 3.3-169 and TS / B 3.3-170 3 Pages TS / B 3.3-171 through TS I B 3.3-174 1 Page TS / B 3.3-174a I Pages TSI/B 3.3-175 through TS/IB 3.3-177 1 Page TS I B 3.3-178 2 Page TS I B 3.3-179 3 Page TS / B 3.3-179a 2 Page TS / B 3.3-180 1 Page TS I B 3.3-181 3 Page TS / B 3.3-182 1 Page TS / B 3.3-183 2 Page TS / B 3.3-184 1 Page TS / B 3.3-185 4 Page TS I B 3.3-186 1 Pages TS / B 3.3-187 and TSI/B 3.3-188 2 Pages TS / B 3.3-189 through TS / B 3.3-191 1 Page TS / B 3.3-192 0 Revision 126 TS/B LOES-4 SUSQUEHANNA - UNIT SUSQUEHANNA -

UNIT 22 TS / B LOES-4 Revision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Page TS / B 3.3-193 1 Pages TS / B 3.3-194 and TS /B 3.3-195 0 Page TS / B3.3-196 2 Pages TS / B 3.3-197 through TS / B 3.3-205 0 Page TS / B] 3.3-206 1 Pages B] 3.3-207 through B] 3.3-209 0 Page TS / B] 3.3-210 1 Page TS / B] 3.3-211 2 Pages TS / B] 3.3-212 and TS / B] 3.3-213 1 Pages B] 3.3-214 through B 3.3-220 0 B] 3.4 REACTOR COOLANT SYSTEM BASES Pages TS / B 3.4-1 and TS / B] 3.4-2 2 Pages TS / B 3.4-3 through TS I B 3.4-5 4 Pages TS / B] 3.4-6 through TS / B] 3.4-9 3 Page TS / B] 3.4-10 1 Pages TS / B 3.4-11 and TS / B] 3.4-12 0 Page TS / B] 3.4-13 2 Page TS I B] 3.4-14 1 Page TS / B] 3.4-15 2 Pages TS I B] 3.4-16 and TS / B 3.4-17 4 Page TS / B] 3.4-18 2 Pages B] 3.4-19 through B 3.4-23 0 Pages TS / B] 3.4-24 through TS / B] 3.4-27 0 Page TS / [3.4-28 1 Page TS / B] 3.4-29 3 Page TS /B[3.4-30 .2 Page TS / B] 3.4-31 1 Pages TS / B] 3.4-32 and TS I B] 3.4-33 2 Page TS / B] 3.4-34 1 Page TS / B 3.4-34a 0 Pages TS / B 3.4-35 and TS / B 3.4-36 1 Page TS / B 3.4-37 2 Page B] 3.4-38 1 Pages B] 3.4-39 and B] 3.4-40 0 Page TS / B] 3.4-41 2 Pages TS / B 3.4-42 through TSI[B 3.4-45 0 Page TS / B] 3.4.4-46 1 Pages TS I B] 3.4.4-47 and TS / B] 3.4.4-48 0 Page TS I B] 3.4-49 . 3 Pages TS / B] 3.4-50 and TS / B] 3.4-51 2 Page TS I B] 3.4-52 3 Page TS I B] 3.4-52a 0 Pages TS / B] 3.4-53 through TS / B] 3.4-56 2 Page TS /B[ 3.4-57 3 Pages TS I B] 3.4-58 through TIS / B] 3.4-60 1 SUSQUEHANNA - UNIT 2 TS / [] LOES-5 Revision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision B 3.5 ECCS AND RCIC BASES Pages TS / B 3.5-1 and TS / B 3.5-2 1 Pages TS / B 3.5-3 and TS I B 3.5-4 2 Page TS I B 3.5-5 3 Page TS /B 3.5-6 "2 Pages TS / B 3.5-7 through TS / B 3.5-10 1 Pages TS / B 3.5-11 and TS / B 3.5-12 2 Pages TS / B 3.5-13 and TS I B 3.5-14 1 Pages TS / B 3.5-15 through TS / B.3.5-17 3 Pages TS /B 3.5-18 through TS / B 3.5-21 1 Page TS I B 3.5-22 2 Page TS I B.3.5-23 1 Page B 3.5-24 0 Page TS I B 3.5-25 1 Pages TS / B 3.5-26 and TS I B 3.5-27 2 Page TS I B 3.5-28 0 Page TS I B 3.5-29 through TS / B 3.5-31 1 B 3.6 CONTAINMENT SYSTEMS BASES Page TS / B3.6-1 2 Page TS I B 3.6-la 4 Page TSI/B 3.6-2 4 Page TS I B 3.6-3 3

  • Page TS / B3.6-4 4 Page TS / B 3.6-5 3 Page TS / B 3.6-6 4 Page TS I B 3.6-6a 4 Page TS/IB 3.6-6b 3 Page TS / B 3.6-6c 0 Page B 3.6-7 0 Page TS / 3.6-8 1 Pages B 3.6-9 through B 3.6-14 0 Page TS / B 3.6-15 4 Page TS I B 3.6-15a 0 Page TS I/B 3.6-15b 3 Pages TS / B 3.6-16 and TS I B 3.6-17 3 Page TS / B 3.6-17a 1 Pages TS I B 3.6-18 and TS I B 3.6-19 1 Page TS / B 3.6-20 2 Page TS I B 3.6-21 3 Revision 126 UNIT 2 TS/B LOES-6 Revision 126 SUSQUEHANNA-UNIT2 SUSQUEHANNA -

TS / B LOES-6

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Pages TS / B 3.6-21a and TS I B 3.6-21b 0 Pages TS I B 3.6-22 and TS / B 3.6-23 2 Pages TS / B 3.6-24 and TS / B 3.6-25 1 Pages TS / B 3.6-26 and TS / B 3.6-27 3 Page TS / B3.6-28 7 Page -TS/ B 3.6-29 5 Page TS I B 3.6-29a *0 Page TS I B 3.6-30 2 Page TS / B 3.6-31 3 Pages TS / B 3.6-32 and TS I B 3.6-33 2 Page TS /B 3.6-34 1 Pages TSI/B 3.6-35 and TS / B 3.6-36 3 Page TS / B 3.6-37 2 Page TS I B 3.6-38 3 Page TS / B 3.6-39 7 Page TS / B 3.6-39a 1 Page TS / B 3.6-40 1 Pages B 3.6-41 and B 3.6-42 - 0 Pages TS I B 3.6-43 and TS / B 3.6-44 1 Page TS / B 3.6-45 2 Pages TS / B 3.6-46 through TS / B 3.6-50 1 Page TSI/B 3.6-51 2 Pages TS / B 3.6-52 through TS / B 3.6-55 0 Pages TS / B 3.6-56 and TS / B 3.6-57 2 Pages B 3.6-58 through B 3.6-62 0 Pages TS I B 3.6-63 and TS / B 3.6-64 ~1 Pages B 3.6-65 through B 3.6-68 .0 Pages TS / B 3.6-69 through TS / B 3.6-71 1 Page TS / B 3.6-72 2 Pages TS / B 3.6-73 and TS / B 3.6-74 1 Pages B 3.6-75 and B 3.6-76 0 Page TSI/B 3.6-77 1 Pages B 3.6-78 and B 3.6-79 0 Page TS I B 3.6-80 1 Pages TS / B 3.6-81 and TS / B 3.6-82 0 Page TS / B 3.6-83 4 Page TS I B 3.6-84 2 Page TS / B3.6-85 4 Pages TS / B 3.6-86 and TS / B 3.6-87 2 Page TS / B 3.6-87a 3 Page TSI/B 3.6-88 6 Page TS / B 3.6-89 4 Page TS / B 3.6-89a 0 LOES-7 Revision 126 UNIT 2 TS/B TS / B LOES-7 Revision 126 SUSQUEHANNA - UNIT

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SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Pages TS /8B3.6-90 and TS / B 3.6-91 3 Page TS / B 3.6-92 2

  • Pages TS / B 3.6-93 through TS / B 3.6-95 1 Page TS /8B3.6-96 2 Page TS / B3.6-97 1 Page TS I B 3.6-98 2 Page TS /8B3.6-99 8 Page TS I B 3.6-99a 6 Page TS / B 3.6-99b 4 Page TS I B 3.6-99c 0 Pages TS / B 3.6-100 and TS/ B 3.6-101 1 Pages TS / B 3.6-102 and TS/ B 3.6-103 2 Page TS /8B3.6-104 3 Page TS /8B3.6-105 2 Page TS /8B3.6-106 3 B 3.7 PLANT SYSTEMS BASES Page TS /8B3.7-1 3 Page TS /B 3.7-2 4 Pages TS / B 3.7-3 through TS / B 3.7-5 3 Page TS /8B 3.7-5a 2 Page TS /8B3.7-6 4 Page TS /8B 3.7-6a 3 Page TS / B 3.7-6b 2 Page TS /8B 3.7-6c 3 Page TS /8B3.7-7 3 Page TS /83.7-8 2 Pages B 3.7-9 through B 3.7-11 0 Pages TS / 8 3.7-12 and TS /8B3.7-13 2 Pages TS /8B3.7-14 through TS /8B3.7-18 3 Page TS / B 3.7-18a I Pages TS / 8 3.7-188 through TS /8B 3.7-18E 0 Pages TS / 8 3.7-19 through TS /83.7-24 1 Pages TS / B 3.7-25 and TS / B 3.7-26 0 Page TS /8B3.7-27 4 Pages TS /8B3.7-28 and TS /8B 3.7-29 3 Pages TS / B 3.7-30 and TS / B 3.7-31 1 Page TS /8B3.7-32 .0 Page TS /8B3.7-33 1 Pages TS / B 3.7-34 through TS / B 3.7-37 0 LOES-8 Revision 126 2 TS/B SUSQUEHANNA - UNIT SUSQUEHANNA -

UNIT 2 TS / B LOES-8 I*evision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS B]ASES)

Section Title Revision B 3.8 ELECTRICAL POWER SYSTEMS BASES Page TS / B 3.8-1 1 Pages B 3.8-2 and B 3.8-3 0 Page TS / B 3.8-4 1 Pages TS / B 3.8-4a and TS / B 3.8-4b 0 Pages TS / B 3.8-5 and TS / B] 3.8-6 3 Page TS / B 3.8-6a 1 Pages B 3.8-7 and B 3.8-8 0 Page TS I B 3.8-9 2 Pages TS / B 3.8-10 and TS / B 3.8-11 1 Pages B 3.8-12 through B 3.8-18 0 Page TS / B 3.8-19 1 Pages B 3.8-20 through B 3.8-22 0 Page TS I B 3.8-23 1 Page B 3.8-24 0 Pages TS / B 3.8-25 and TS I B 3.8-26 1 Pages B 3.8-27 through B 3.8-30 0 Page TS / B 3.8-31 1 Pages TS / B 3.8-32 through TS / B 3.8-35 0

  • Page TS I B 3.8-36 1 Page TS I B 3.8-37 0 Page TS / B 3.8-38 1 Pages B 3.8-39 through .B 3.8-46 0 Page TS / B 3.8-47 3 Pages TS / B 3.8-48 through TS I B 3.8-50 0 Pages TS / B 3.8-51 and TS / B 3.8-52 3 Page TS / B 3.8-531 Page TS / B 3.8-54 0 Page TS / B 3.8-55 1 Pages TS / B 3.8-56 through TS I B 3.8-59 2 Pages TS / B 3.8-60 through TS / B 3.8-64 3 Page TS / B 3.8-65 4 Page TS / B 3.8-665 Pages TS / B 3.8-67 and TS I B 3.8-68 4 Page TS / B 3.8-695 Pages TS / B 3.8-70 through TS / B 3.8-83 1 Pages TS I B 3.8-83A through TS / B 3.8-83D 0 Pages B 3.8-84 through B 3.8-85 0 Page TS / B 3.8-86 1 Page TS / B 3.8-87 2 Pages TS / B] 3.8-88 and TS / B 3.8-89 1 Page TS / B 3.8-90 2 Pages TS / B 3.8-91 through TS / B 3.8-93 1 Pages B 3.8-94 through B 3.8-99 0 Revision 126 TS/BLOES-9 SUSQUEHANNA - UNIT2 SUSQUEHANNA -

UNIT 2 TS / B LOES-9 Revision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision B 3.9 REFUELING OPERATIONS BASES Pages TS / B 3.9-1 and TS I B 3.9-2 1 Page TS / B3.9-2a 1 Pages TS I B 3.9-3 through TS I B 3.9-5 1 Pages TS I B 3.9-6 through TS I B 3.9-8 0 Pages B 3.9-9 through B 3.9-18 0 Pages TSI/B 3.9-19 through TS / B 3.9-21 1 Pages B 3.9-22 through B 3.9-30 0 B 3.10 SPECIAL OPERATIONS BASES Page TS / B3.10-1 2 Pages TS / B 3.10-2 through TS / B 3.10-5 1 Pages B 3.10-6 through B 3.10-32 0 Page TS / B 3.10-33 2 Page B 3.10-34 0 Page TS / B 3.10-35 1 Pages B 3.10-36 and B 3.10-37 0 Page TS / B 3.10-38 1 Page TS / B3.10-39 2 Revision 126 TS I B LOES-lO

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UNIT 22 SUSQUEHANNA - UNIT TS / B LOES-10 Revision 126

Rev. 10 SCIVs B] 3.6.4.2 B] 3.6 CONTAINMENT SYSTEMS B 3.6.4.2 Secondary Containment Isolation Valves (SC!IVs)

BASES BACKGROUND The function of the SCIVs, in combination with other accident mitigation systems, is to limit fission product release during and following postulated Design Basis Accidents (DBAs) (Ref. 1). Secondary containment isolation within the time limits sPecified for those isolation valves designed to close automatically ensures that fission products that leak from primary containment into secondary containment following a DBA, or that are released during certain operations when primary containment is not required to be OPERABLE or take place outside primary containment, are maintained within the secondary containment boundary.

The OPERABILITY requirements for SCIVs help ensure that an adequate secondary containment boundary is maintained during and after an accident by minimizing potential paths to the environment. These isolation devices consist of either passive devices or active (automatic) devices. Manual valves or dampers, de-activated automatic valves or dampers secured in their closed position (including check valves with flow through the valve secured), and blind flanges are considered passive devices.

Automatic SCIVs close on a secondary containment isolation signal to establish a boundary for untreated radioactive material within secondary containment following a DBA or other accidents.

Other non-sealed penetrations which cross a secondary containment boundary are isolated by the use of valves in the closed position or blind flanges.

APPLICABLE The SCIVs must be OPERABLE to ensure the secondary containment SAFETY barrier to fission product releases is established. The principal accidents for ANALYSES which the secondary containment boundary is required are a loss of coolant accident (Ref. 1) and a fuel handling accident inside secondary containment (Ref. 2). The secondary containment performs no active function in response to either of these limiting events, but the boundary (continued)

SUSQUEHANNA - UNIT 2TSB3.-0Rvso3 TS / [] 3.6-90 Revision 3

Rev. 10 SC!IVs B 3.6.4.2 BASES APPLICABLE established by SCIVs is required to ensure that leakage from the primary SAFETY containment is processed by the Standby Gas Treatment (SGT) System ANALYSES before being released to the environment.

(continued)

Maintaining SCI Vs OPERABLE with isolation times within limits ensures that fission products will remain trapped inside secondary containment so that they can be treated by the SGT System prior to discharge .to the environment.

SCI Vs satisfy Criterion 3 of the NRC Policy Statement (Ref. 3).

LCO SClVs that form a part of the secondary containment boundary are required to be OPERABLE. Depending on the configuration of the secondary containment only specific SCI Vs are required. The SCIV safety function is related to control of offsite radiation releases resulting from DBAs.

The automatic isolation valves are considered OPERABLE when their isolation times are within limits and the valves actuate on an automatic isolation signal. The valves covered by this LCO, along with their associated stroke times, are listed in Table B 3.6.4.2-1.

The normally closed isolation valves or blind flanges are considered OPERABLE when manual valves are closed or open in accordance with appropriate administrative controls, automatic SCIVs are deactivated and secured in their closed position, or blind flanges are in place. These passive isolation valves or devices are listed in Table B3.6.4.2-2. Penetrations closed with sealants are considered part of the secondary containment boundary and are not considered penetration flow paths.

Certain plant piping systems (e.g., Service Water, RHR Service Water, Emergency Service Water, Feedwater, etc.) penetrate the secondary containment boundary. The intact piping within secondary containment provides a passive barrier which maintains secondary containment requirements. When the SDHR and temporary chiller system piping is connected and full of water, the piping forms the secondary containment boundary and the passive devices in TS Bases Table B3.6.4.2-2 are no longer required for these systems since the piping forms the barrier. During certain plant evolutions, piping systems may be drained and breached within secondary containment. During the pipe breach, system isolation valves can be used to provide secondary containment isolation. The isolation valve alignment will be controlled when the piping system is breached.

(continued)

SUSQUEHANNA -UNIT 2 TS/B6-1Rvso3

/ B 3.6-91 Revision 3

Rev. 10 SCIVs B 3.6.4.2 BASES (continued)

APPLICABILITY In MODES 1, 2, and 3, a DBA could lead to a fission product release to the primary containment that leaks to the secondary containment. Therefore, the OPERABILITY of SClVs is required.

In MODES 4 and 5, the probability and consequences of these events are reduced due to pressure and temperature limitations in these MODES.

Therefore, maintaining SCIVs OPERABLE is not required in MODE 4 or 5, except for other situations under which significant radioactive releases can be postulated, such as during operations with a potential for draining the reactor vessel (OPDRVs), during CORE ALTERATIONS, or during movement of irradiated fuel assemblies in the secondary containment.

Moving irradiated fuel assemblies in the secondary containment may also occur in MODES 1, 2, and 3.

ACTIONS The ACTIONS are modified by three Notes. The first Note allows penetration flow paths to be unisolated intermittently under administrative controls. These controls consist of stationing a dedicated operator, who is in continuous communication with the control room, at the controls of the isolation device. In this way, the penetration can be rapidly isolated when a need for secondary containment isolation is indicated.

The second Note provides clarification that for the purpose of this LCO separate Condition entry is allowed for each penetration flow path. This is acceptable, since the Required Actions for each Condition provide appropriate compensatory actions for each inoperable SCIV. Complying with the Required Actions may allow for continued operation, and subsequent inoperable SCIVs are governed by subsequent Condition entry and application of associated Required Actions.

The third Note ensures appropriate remedial actions are taken, if necessary, if the affected system(s) are rendered inoperable by an inoperable SCIV.

A.1 and A.2 In the event that there are one or more required penetration flow paths with one required SCIV inoperable, the affected penetration flow path(s) must be isolated. The method of isolation must include the use of at least one isolation barrier that cannot be adversely affected by a single active failure.

Isolation barriers that meet this criterion are a closed and de-activated automatic SCIV, a closed manual valve, and a blind flange. For penetrations isolated in (continued)

SUSQUEHANNA - UNIT 2 T / B 3.6-92 TS .- 2Rvso Revision 2

Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS A.1 and A.2 (continued) accordance with Required Action A.1, the device used to isolate the penetration should be the closest available device to secondary containment. The Required Action must be completed within the 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> Completion Time. The specified time period is reasonable considering the time required to isolate the penetration, and the probability of a DBA, which requires the SCIVs to close, occurring during this short time is very low.

For affected penetrations that have been isolated in accordance with Required Action A.1, the affected penetration must be verified to be isolated on a periodic basis. This is necessary to ensure that secondary containment penetrations required to be isolated following an accident, but no longer capable of being automatically isolated, will be in the isolation position should an event occur. The Completion Time of once per 31 days is appropriate because the valves are operated under administrative controls and the probability of their misalignment is low. This Required Action does not require any testing or device manipulation. Rather, it involves verification that the affected penetration remains isolated.

Condition A is modified by a Note indicating that this Condition is only applicable to those penetration flow paths with two SCIVs. For penetration flow paths with one SCIV, Condition C provides the appropriate Required Actions.

Required Action A.2 is modified by a Note that applies to devices located in high radiation areas and allows them to be verified closed by use of administrative controls. Allowing verification by administrative controls is considered acceptable, since access to these areas is typically restricted.

Therefore, the probability of misalignment, once they have been verified to be in the proper position, is low.

B.1I With two SCIVs in one or more penetration flow paths inoperable, the affected penetration flow path must be isolated within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />. The method of isolation must (continued)

SUSQUEHANNA - UNIT 2TSB.-3Rvso TS / B 3.6-93 Revision 1

Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS B.1 (continued) include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic valve, a closed manual valve, and a blind flange. The 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Completion Time is reasonable considering the time required to isolate the penetration and the probability of a DBA, which requires the SCIVs to close, occurring during this short time, is very low.

The Condition has been modified by a Note stating that Condition B is only applicable to penetration flow paths with two isolation valves. For penetration flow paths with one SCIV, Condition C provides the appropriate Required Actions.

C.1 and C.2 With one or more required penetration flow paths with one required SCIV inoperable, the inoperable valve must be restored to OPERABLE status or the affected penetration flow path must be'isolated. The method of isolation must include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic valve, a closed manual valve, and a blind flange. A check valve may not be used to isolate the affected penetration. Required Action C.1 must be completed within the 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Completion Time. The Completion Time of 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> is reasonable considering the relative stability of the system (hence, reliability) to act as a penetration isolation boundary and the relative importance of supporting secondary containment OPERABILITY during MODES 1, 2, and 3.

In the event the affected penetration flow path is isolated in accordance with Required Action C.1, the affected penetration must be verified to be isolated on a periodic basis. This is necessary to ensure that secondary containment penetrations required to be isolated following an accident are isolated.

The Completion Time of once per 31 days for verifying each affected penetration is isolated is appropriate because the (continued)

SUSQUEHANNA - UNIT 2TSB6-4RvsoITS / B 3.6-94 Revision 1

Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS C.1 and C.2 (continued) valves are operated under administrative controls and the probability of their misalignment is low.

Condition C is modified by a Note indicating that this Condition is only applicable to penetration flow paths with only one SCIV. For penetration flow paths with two SCIVs, Conditions A and B provide the appropriate Required Actions.

Required Action C.2 is modified by a Note that applies to valves and blind flanges located in high radiation areas and allows them to be verified by use of administrative means. Allowing verification by administrative means is considered acceptable, since access to these areas is typically restricted.

Therefore, the probability of misalignment of these valves, once they have been verified to be in the proper position, is low.

D.1 and D.2 If any Required Action and associated Completion Time cannot be met, the plant must be brought to a MODE in which the LCO does not apply. To achieve this status, the plant must be brought to at least MODE 3 within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and to MODE 4 within 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />. The allowed Completion Times are reasonable, based on operating experience, to reach the required plant conditions from full power conditions in an orderly manner and without challenging plant systems.

E.1. E.2, and E.3 If any Required Action and associated Completion Time are not met, the plant must be placed in a condition in which the LCO does not apply. If applicable, CORE ALTERATIONS and the movement of irradiated fuel assemblies in the secondary containment must be immediately suspended.

Suspension of these activities shall not preclude completion of movement of a component to a safe position. Also, if applicable, actions must be immediately initiated to suspend OPDRVs in order to minimize the probability of a vessel draindown and the subsequent potential for fission product release. Actions must continue until OPDRVs are suspended.

(continued)

SUSQUEHANNA -UNIT 2 TI36-5Rvso TS / B 3.6-95 Revision 1

Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS E.1, E.2, and E.3 (continued)

Required Action E.1 has been modified by a Note stating that LCO 3.0.3 is not applicable. If moving irradiated fuel assemblies while in MODE 4 or 5, LCO 3.0.3 would not specify any action. If moving fuel while in MODE 1, 2, or 3, the fuel movement is independent of reactor operations.

Therefore, in either case, inability to suspend movement of irradiated fuel

  • assemblies would not be a sufficient reason to require a reactor shutdown.

SURVEILLANCE SR 3.6.4.2.1 REQUIREMENTS This SR verifies that each secondary containment manual isolation valve and blind flange that is required to be closed during accident conditions is closed. The SR helps to ensure that post accident leakage of radioactive fluids or gases outside of the secondary containment boundary is within design limits. This SR does not require any testing or valve manipulation.

Rather, it involves verification (typically visual) that those required SCI Vs in secondary containment that are capable of being mispositioned are in the correct position.

Since these SCI Vs are readily accessible to personnel during normal operation and verification of their position is relatively easy, the 31 day Frequency was chosen to provide added assurance that the SCIVs are in the correct positions.

Two Notes have been added to this SR. The first Note applies to valves and blind flanges located in high radiation areas and allows them to be verified by use of administrative controls. Allowing verification by administrative controls is considered acceptable, since access to these areas is typically restricted during MODES 1, 2, and 3 for ALARA reasons. Therefore, the probability of misalignment of these SCIVs, once they have been verified to be in the proper position, is low.

A second Note has been included to clarify that SCIVs that are open under administrative controls are not required to meet the SR during the time the SCIVs are open.

(continued)

SUSQUEHANNA - UNIT 2 T / B 3.6-96 TS .- 6Rvso Revision 2

Rev. 10 SCIVs B 3.6.4.2 BASES SURVEILLANCE SR 3.6.4.2.2 REQUIREMENTS (continued) 301IVs with maximum isolation times specified in Table B 3.6.2.4-1 are tested every 92 days to verify that the isolation time is within limits to demonstrate OPERABILITY. Automatic SCIVs without maximum isolation times specified in Table B 3.6.4.2-1 are tested under the requirements of SR 3.6.4.2.3. The isolation time test ensures that the SCIV will isolate in a time period less than or equal to that assumed in the safety analyses.

SR 3.6.4.2.3 Verifying that each automatic required SCIV closes on a secondary containment isolation signal is required to prevent leakage of radioactive material from secondary containment following a DBA or other accidents.

This SR ensures that each automatic SCIV will actuate to the isolation position on a secondary containment isolation signal. The LOGIC SYSTEM FUNCTIONAL TEST in SR 3.3.6.2.5 overlaps this SR to provide complete testing of the safety function. The 24 month Frequency is based on the need to perform this Surveillance under the conditions that apply during a plant outage and the potential for an unplanned transient if the Surveillance were performed with the reactor at power. Operating experience has shown these components usually pass the Surveillance when performed at the 24 month Frequency. Therefore, the Frequency was concluded to be acceptable from a reliability standpoint.

REFERENCES 1. FSAR, Section 6.2.

2. FSAR, Section 15.
3. Final Policy Statement on Technical Specifications Improvements, July 22, 1993 (58 FR 39132).

SUSQUEHANNA -UNIT 2 T / B 3.6-97 TS .- 7Rvso

- Revision 1

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-1 Secondary Containment Ventilation System Automatic Isolation Dampers (Page 1 of 1)

Reactor Bulig Valve Number Valve Description IMaximurn Type of Valve Isolation Buildng ITime Zone j________________(Seconds)

I HD-1 7586 A&B Supply System Dampers Automatic Isolation Damper 10.0 n D-1 7524 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 10.0 I HD-17576A&B Unfiltered Exhaust System Automatic Isolation Damper 10.0 II HD-27586 A&B Supply System Dampers Automatic Isolation Damper 10.0 II HD-27524 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 10.0 II HD-27576 A&B Unfiltered Exhaust System Automatic Isolation Damper 10.0 IIl HD-1 7564 A&B Supply System Dampers Automatic Isolation Damper 14.0 Ill HD-1 7514 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 6.5 Ill HD-1 7502 A&B Unfiltered Exhaust System Automatic Isolation Damper 6.0 I1l HD-27564 A&B Supply System Dampers Automatic Isolation Damper 14.0 Ill HD-27514 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 6.5 III HD-27502 A&B Unfiltered Exhaust System Automatic Isolation Damper 6.0 N/A HD-17534A Zone Arlok166AtmtcIoainDme /

N/A HO-1 7534B *Zone 3 Airlock 1-611 Automatic Isolation Damper N/A N/A HD-1 75340 Zone 3 Airlock 1-603 Automatic Isolation Damper N/A N/A HD-17534E Zone 3 Airlock 1-805 Automatic Isolation Damper N/A N/A HD-I17534F Zone 3 Airlock 1-617 Automatic Isolation Damper N/A N/A HD-17534H Zone 3 Airlock 1-618 Automatic Isolation Damper N/A N/A HD-17534A Zone 3 Airlock 11-606 Automatic Isolation Damper N/A N/A HD-27534D Zone 3 Airlock 11-803 Automatic Isolation Damper N/A N/A HD-27534E Zone 3 Airlock 11-805 Automatic Isolation Damper N/A N/A HD-27534G Zone 3 Airlock 11-806 Automatic Isolation Damper N/A N/A HD-27534H Zone 3 Airlock C1-186 Automatic Isolation Damper N/A N/A HD-27534H Zone 3 Airlock 11-608 Automatic Isolation Damper N/A SUSQUEHANNA - UNIT 2 T / B 3.6-98 TS .- 8Rvso Revision 2

Rev. 10 SCI Vs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 1 of 4)

Device Number jDevice Description JArea/Elev. [Required Position / Notes X-29-2-44 SDHR System to Fuel Pool Cooling Yard/670 Blind Flanged I Note 1 X-29-2-45 SDHR System to Fuel Pool Cooling Yard/670 Blind Flanged / Note 1 110176 SDHR Supply Drain Vlv 29/670 Closed Manual Iso Valve / Note 1 110186 SDHR Discharge Drain Vlv 29/670 Closed Manual iso Valve/ Note 1 110180 SDHR Supply Vent Vlv 29/749 Closed Manual Iso Valve!/ Note 1 110181 SDHR Discharge Fill Vlv 27/7/49 Closed Manual Iso Valve / Note 1 110182 SDHR Discharge Vent Vlv 27/749 Closed Manual iso Valve!/ Note 1 110187 SDHR Supply Fill Vlv 29/749 Closed Manual iso Valve / Note 1' 210186 SDHR Supply Drain Vlv 33/749 Closed Manual Iso Valve / Note 1 210187 SDHR Supply Vent Vlv 33/749 Closed Manual Iso Valve!/ Note 1 210191 SDHR Discharge Vent Vlv 30/749 Closed Manual Iso Valve!/ Note 1 210192 SDHR Discharge Drain Vlv 30/749 Closed Manual Iso Valve / Note 1 210193 SDHR Discharge Vent Vlv 33/749 Closed Manual Iso Valve / Note 1 X-29-2-46 Temporary Chiller to RBCW Yard/670 Blind Flanged!/ Note 2 X-29-2-47 Temporary Chiller to RBCW Yard/670 Blind Flanged!/ Note 2 X-29-5-95 Temporary Chiller to Unit 1 RBCW 29/749 Blind Flanged!/ Note 2 X-29-5-96 Temporary Chiller to Unit 1 RBCW 29/749 Blind Flanged!I Note 2 X-29-5-91 Temporary Chiller to Unit 2 RBCW 33/749 Blind Flanged!/ Note 2 X-29-5-92 Temporary Chiller to Unit 2 RBCW 33/749 Blind Flanged!/ Note 2 187388 RBCW Temp Chiller Discharge iso Vlv 29/670 Closed Manual iso Valve!/ Note 2 187389 RBCW Temp Chiller Supply iso Vlv 29/670 Closed Manual Iso Valve!/ Note 2 187390 RBCW Temp Chiller Supply Drain Vlv 29/670 Closed Manual Iso Valve!/ Note 2 187391 RBCW Temp Chiller Discharge Drain Vlv 29!670 Closed Manual iso Valve / Note 2 X-28-2-3000 Utility Penetration to Unit 1 East Stairwell Yard/670 Blind Flanged / Note 3 X-29-2-48 Utility Penetration to Unit 1 RR Bay Yard/670 Capped!/ Note 5 X.-33-2-3000 Utility Penetration to Unit 2 East Stairwell Yard!670 Blind Flanged f Note 4 X-28-2-3000 Utility Penetration to Unit 1 East Stairwell 28/670 Blind Flanged / Note 3 X-29-2-48 Utility Penetration to Unit 1 RR Bay 29/670 Capped!/ Note 5 X-33-2-3000 Utility Penetration to Unit 2 East Stairwell 33/670 Blind Flanged!/ Note 4 X-29-3-54 Utility Penetration to Unit I RBCCW Hx Area 27/683 BlindI Flanged I Note 6 X-29-3-55 Utility Penetration to Unit 1 RBCCW Hx Area 27/683 Blind Flanged!/ Note 6 X-29-5-97 Utility Penetration from Unit 1 RR Bay to Unit 2 33/749 Capped Elev. 749 X-27-6-92 Instrument Tubing Stubs 27/779' Capped X{-29-7-4 1" Spare Conduit Threaded Plug 29/818' Installed X-30-6-72 Instrument Tubing Stubs 30/779' Capped X-30-6-1 002 Stairwell #214 Rupture Disc 30/779' Installed Intact X-30-6-1 003 Airlock 11-609 Rupture Disc 30/779' Installed Intact X-25-6-1 008 Airlock 1-606 Rupture Disc 25/779' Installed Intact X-29-4-DI -B Penetration at Door 4330 29/719' Blind Flange Installed X-29-4-D1 -A Penetration at Door 4330 29/719' Blind Flange Installed X-29-4-D1 -B Penetration at Door 404 33/719' Blind Flange Installed X-29-4-D1 -A Penetration at Door 404 33/719' Blind Flange Installed SUSQUEHANNA- uNiT 2TSB6-9evso8 TS / B 3.6-99 Revision 8

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2.

Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 2 of 4)

Device Number HD17534C jDevice Description Airlock 1-707 Blind Flange 1Area/Elev.

28/799' Required Position / Notes Blind Flange Installed HD27534C Airlock 11-707 Blind Flange 33/799' Blind Flange Installed XD-1 7513 Isolation damper for Railroad Bay Zone Ill HVAC 29/799' Position is dependent on Railroad Supply

  • Bay alignment XD-1 7514 Isolation damper for Railroad Bay Zone I11HVAC 29/719' Position is dependent on Railroad

___________Exhaust Bay alignment XD-1 2301 PASS Air Flow Damper 11/729' Closed Damper XD-22301 PASS Air Flow Damper 22/729' Closed Damper 161827 HPCI Blowout Steam Vent Drain Valve 25/645' Closed Manual iso Valve / Note 3 161828 ROlC Blowout Steam Vent Drain Valve 28/645' Closed Manual iso Valve!/ Note 3 161829 'A' RHR Blowout Steam Vent Drain Valve 29/645' Closed Manual Iso Valve!/ Note 3 161830 'B' RH R Blowout Steam Vent Drain Valve 28/645' Closed Manual Iso Valve / Note 3 261820 RCIC Blowout Steam Vent Drain Valve 33/645' Closed Manual iso Valve!I Note 4 261821 'A' RH R Blowout Steam Vent Drain Valve 34/645' Closed Manual iso Valve!/ Note 4 261822 'B' RH R Blowout Steam Vent Drain Valve 33/645' Closed Manual Iso Valve I Note 4 2LRWI810OL Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRW1810OM Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRW181 ON Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRW181 OR Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRW1810OS Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRWl703A Zone I1Floor Drain 34-799 Plugged ! Note 7 2LRW161 5A Zone I1Floor Drain 34-779 Plugged!/ Note 7 2LRWI10O0A Zone II Floor Drain 34-670 Plugged / Note 7 2LRWI100OB Zone II Floor Drain 34-670 Plugged!/ Note 7 2LRWI100OC Zone II Floor Drain 34-670 Plugged!/ Note 7 2LRWIl DOD Zone II Floor Drain 34-670 Plugged / Note 7 2LRWII ODE Zone 11Floor Drain 34-670 Plugged!/ Note 7 2LRWI100F Zone II Floor Drain 34-670 Plugged ! Note 7 2LRWI10DOG Zone II Floor Drain 34-670 Plugged!/ Note 7

,SUSQUEHANNA -UNIT 2TS/B369aRiso6 TS / B 3.6-99a Revision 6

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 3 of 4)

Device Number 1LRWI810U

}Device Zone Ill Floor Drain Description [Area/Elev. [Required 29-818 Position / Notes Plugged 1 Note 7 I1LRWII1810QV Zone Ill Floor Drain 29-818 Plugged / Note 7 1LRWI1I81W Zone IIl Floor Drain 29-818 Plugged / Note 7 1 LRWI810OX Zone [ll Floor Drain 29-818 Plugged / Note 7 1 LRWI810OY Zone Ill Floor Drain 29-818 Plugged / Note 7 1 LRWI81 0Z Zone Ill Floor Drain 29-818 Plugged / Note 7 I1LRWI810OFF Zone Ill Floor Drain 29-818 Plugged!/ Note 7 I LRWI8I0GG Zone Ill Floor Drain 29-818 Plugged!/ Note 7 1LRWI810HH Zone Il1Floor Drain 29-818 Plugged / Note 7 1 LRWI8I0JJ Zone Ill Floor Drain 29-818 Plugged / Note 7 1 LRW1810OKK Zone IIl Floor Drain 29-818 Plugged!/ Note 7 1LRWI615A Zone 1,Zone IIl, or No Zone Floor Drain 29-779 Plugged!/Note 7 1_LRWIIOOA Zone 1,Zone Ill, or No Zone Floor Drain 29-670 Plugged!/ Note 7 1 LRWI1 008 Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged!/ Note 7 1 LRWI100C Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged!/ Note 7 1 LRWI10DOD Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged / Note 7 1 LRWIIODOE Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged!/ Note 7 1 LRWI100OF Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged / Note 7 1 LRWI100G Zone I, Zone Ill, or No Zone Floor Drain 670 Plugged!/ Note 7 SUSQUEHANNA -UNIT 2TS/B3-9bRvso4 TS / B 3.6-99b Revision 4

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive isolation Valves or Devices (Page 4 of 4)

Note 1: The two blind flanges on the SDHR penetrations (blind flanges for device number X-29-2-44 and X-29-2-4.5) and all the closed manual valves for the SDHR system (110176, 110186, 110180, 110181, 110182, 110187, 210186, 210187, 210191,210192, 210193) can each be considered as a separate secondary containment isolation device for the SDHR penetrations. If one or both of the blind flanges is removed and all the above identified manual valves for the SDHR system are closed, the appropriate LCO should be entered for one inoperable SCIV in a penetration flow path with two SCIVs. With the blind flange removed, the manual valves could be openad intermittently under administrative controls per the Technical Specification Note. When both SDHR blind flanges are installed, opening of the manual valves for the SDHR system will be controlled to prevent cross connecting ventilation zones. When the manual valves for the SDHR system are open in this condition, the appropriate LCO should be entered for one inoperable SCIV in a penetration flow path with two SCIVs. When the SDHR system piping is connected and full of water, the piping forms the secondary containment boundary and the above listed SCIVs in Table B3.6.4.2-2 are no longer required for this system since the piping forms the barrier.

Note 2: Due to the multiple alignments of the RBCW temporary chiller, different devices will perform the SCIV function depending on the RBCW configuration. There are three devices/equipment that can perform the SCIV function for the RBCW temporary chiller supply penetration. The first SCIV for the RBCW temporary chiller supply penetration is the installed blind flange on penetration X-29-2-47. The second SCIV for the RBCW temporary chiller supply penetration is isolation valve 187389. The third SCIV for the temporary RBCW chiller supply penetration is closed drain valve 187390 and an installed blind flange on penetrations X-29-5-92 and/or X-29-6-96. Since there are effectively three SCIVs, any two can be used to define the SCIV for the penetration. Removal of one of the two required SCIVs requires entry into the appropriate LCO for one inoperable SCIV in a penetration flow path with two SCIVs. Opening of drain valve 187390 and operation of blank flanges X-29-5-96 and X-29-5-92 will be controlled to prevent cross connecting ventilation zones. These three SCIVs prevent air inleakage into secondary containment. The isolation of the penetration per the Technical Specification requirement is to assure that one of the above SCIVs is closed so that there is no air inleakage into secondary containment.

There are three deviceslequipment that can perform the SCIV function for the RBCW temporary chiller return penetration. The first SCIV for the RBCW temporary chiller return penetration is the installed blind flange on penetration X-29-2-46. The second SCIV for the R BCW temporary chiller return penetration is isolation valve 187388. The third SCIV for the temporary RBCW chiller return penetration is closed drain valve 187391 and an installed blind flange on penetrations X-29-5-91 and/or X-29-5-95. Since there are effectively three SCIVs, any two can be used to define the SCIV for the penetration. Removal of one of the two required SCIVs requires entry into the appropriate LCO for one inoperable SCIV in a penetration flow path with two SCiVs. Opening of drain valve 187391 and operation of blank flanges X-29--5--91 and X-29-5-95 will be controlled to prevent cross connecting ventilation zones. These three SCIVs prevent air inleakage into secondary containment: The isolation of the penetration per the Technical Specification requirement is to assure that one of the above SCIVs is closed so that there is no air inleakage into secondary containment.

When the RBCW temporary chiller piping is connected and full of water, the piping inside secondary containment forms the secondary, containment boundary and the above listed SCIVs in Table B3.6.4.2-2 are no longer required for this system.

Note 3: These penetrations connect Secondary Containment Zone I to a No-Zone. When Secondary Containment Zone I is isolated from the recirculation plenum, the above listed SCIVs in Table B3.6.4.2-2 are no longer required.

Note 4: These penetrations connect Secondary Containment Zone IIto a No-Zone. When Secondary Containment Zone Illis isolated from the recirculation plenum, the above listed SCIVs in Table 83.6.4.2-2 are no longer required.

Note 5: These penetrations connect the Railroad Bay to a No-Zone. When the Railroad Bay is a No-Zone, the above listed SCIVs in Table B3.6.4.2-2 are no longer required.

Note 6: These penetrations connect Secondary Containment Zone I to the Railroad Bay. The above listed SOi~s in Table 83.6.4.2-2 are not required ifthe Railroad Bay is a No-Zone and Zone I is isolated from the reciroulation plenum OR if the Railroad Bay is aligned to Zone I.

Note 7: Due to drain header containing multiple floor drains in different ventilation zones, drain plugs were installed in all of the drain header floor drains. To provide the passive Secondary Containment boundary, only drain plugs in one ventilation zone are required to be installed.

SUSQUEHANNA - UNIT 2TS/B3-9cRvso0 TS / B 3.6-99c Revision 0

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SSES MANUA Manual Name: TSB1 Manual Title: TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL Table Of Contents Issue Date: 02/02/2016 Procedure Name Rev Change ID Change Number Issue Date TEXT LOES 122 02/02/2 016 Title: LIST OF EFFECTIVE SECTIONS TEXT T0C 23 07/02/2014 Title: TABLE OF CONTENTS TEXT 2.1.1 6 01/22 /2 015 Title: SAFETY LIMITS (SLS) REACTOR CORE SLS TEXT 2.1.2 1 10/ 04/2 007 Title: SAFETY LIMITS (SLS) REACTOR COOLANT SYSTEM (RCS) PRESSURE S TEXT 3.0 3 08/20/2009 Title: LIMITING CONDITION FOR OPERATION (LCO) APPLICABILITY TEXT 3.1.1 1 04/18/2006 Title: REACTIVITY CONTROL SYSTEMS SHUTDOWN MARGIN (SDM)

TEXT 3.1.2 0 11/15/2002 Title: REACTIVITY CONTROL SYSTEMS REACTIVITY ANOMALIES TEXT 3.1.3 2 01/19/2 009 Title: REACTIVITY CONTROL SYSTEMS CONTROL ROD OPERABILITY TEXT 3.1.4 4 01/30/2009 Title: REACTIVITY CONTROL SYSTEMS CONTROL ROD SCRAM TIMES TEXT 3.1.5 1 07/06/2 005 Title: REACTIVITY CONTROL SYSTEMS CONTROL ROD SCRAM ACCUMULATORS TEXT 3.1.6 3 02/24/2014 Title: REACTIVITY CONTROL SYSTEMS ROD PATTERN CONTROL Report Date: 02/03/16 Pagel of 8 Page ! of Report Date: 02/03/16

SESF MA1NUTAL Maual L\ame:

VManual TSBI Title: TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL 0 TEXT 3.1.7 3 04/23/2008 Title: REACTIVITY CONTROL SYSTEMS STANDBY LIQUID CONTROL (SLC) SYSTEM TEXT 3.1.8 3 05/06/2009 Title: REACTIVITY CONTROL SYSTEMS SCRAM DISCHARGE VOLUME (SDV) VENT AND DRAIN VALVES TEXT 3.2.1 2 04/23/2008 Title: POWER DISTRIBUTION LIMITS AVERAGE PLANAR LINEAR HEAT GENERATION RATE (APLHGR)

TEXT 3.2.2 3 05/06/2009 Title: POWER DISTRIBUTION LIMITS MINIMUM CRITICAL POWER RATIO (MCPR)

TEXT 3.2.3 2 04/23/2008 Title: POWER DISTRIBUTION LIMITS LINEAR HEAT GENERATION RATE (LHGR)

TEXT 3.3.1.1 6 02/24/2014 Title: INSTRUMENTATION REACTOR PROTECTION SYSTEM (RPS) INSTRUMENTATION TEXT 3.3.1.2 2 01/19/2009 Title: INSTRUMENTATION SOURCE RANGE MONITOR (SRM) INSTRUMENTATION TEXT 3.3.2.1 4 02/24/2014 Title: INSTRUMENTATION CONTROL ROD BLOCK INSTRU-MENTATION TEXT 3.3.2.2 2 04/05/2010 Title: INSTRUMENTATION FEEDWATER MAIN TURBINE HIGH WATER LEVEL TRIP INSTRUMENTATION TEXT 3o3.3.1 9 02/28/2013 Title: INSTRUMENTATION POST ACCIDENT MONITORING (PAM) INSTRUMENTATION TEXT 3.3.3.2 1 04/18/2005 Title: INSTRUMENTATION REMOTE SHUTDOWN SYSTEM TEXT 3.3.4.1 2 02/24/2014 i? Title: INSTRUMENTATION END OF CYCLE RECIRCULATION PUMP TRIP (EOC-RPT) INSTRUMENTATION W Reort ate 02/3/1 Page of Page 2 of Report Date: 02/03/16

ESREM!ANTAL M!a~nual Name: TSB1

Page 3 of of 8 Report Date: 02/03/16

S*ES MANUJAL l*anual Name:- TSB1

N<-anual Title: TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL S TEXT 3.4.5 1 01/16/2006 Title: REACTOR COOLANT SYSTEM CRCS) RCS PRESSURE ISOLATION VALVE (PIV) LEAKAGE TEXT 3.4.6 4 02/19/2014 Title: REACTOR COOLANT SYSTEYM (RCS) RCS LEAKAGE DETECTION INSTRUMENTATION TEXT 3.4.7 2 10/04/2007 Title: REACTOR COOLANT SYSTEM CRCS) RCS SPECIFIC ACTIVITY TEXT 3.4.8 2 03/28/2013 Title: REACTOR COOLANT SYSTEM* (RCS) RESIDUAL HEAT REMOVAL (RHR) SHUTDOWN COOLII* HG SYSTEM

- HOT SHUTDOWN TEXT 3.4.9 1 03/28/2013 Title: REACTOR COOLANT SYSTEM*(RCS) RESIDUAL HEAT REMOVAL (RHR) SHUTDOWN C00LII' TqGSYSTEM

-:,TEXT 3.4.10

- COLD SHUTDOWN 4 11/04/2015 0

Title: REACTOR COOLANT SYSTEM S(RCS) RCS PRESSURE AND TEMPERATURE (P/T) LIMITS TEXT 3.4.11 0 11/15/2002 Title: REACTOR COOLANT SYSTEM (RCS) REACTOR STEAM DOME PRESSURE TEXT 3 .5.1 4 07/16/2014 Title: EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC)

SYSTEM ECCS - OPERATING TEXT 3.5.2 0 11/15/2002 Title: EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC)

SYSTEM ECCS - SHUTDOWN TEXT 3.5.3 3 02/24/2014 Title: EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC)

SYSTEM RCIC SYSTEM TEXT 3.6.1.1 5 02/24/2014 Title: PRIMARY CONTAINMENT TEXT 3.6.1.2 1 04/23/2008 S Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT AIR LOCKI Page 4 of Report Date: 02/03/16

  • MANUIAL O : N}anual Title: TECHNICAL Nanual Name: TSB1 SPECIFICATION BASES UNIT 1 MANUAL TEXT 3.6.1.3 11 07/02/2014 Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT ISOLATIONVALVES (PCIVS)

TEXT 3.6.1.4 1 04/23/2008 Title: CONTAINMENT SYSTEMS CONTAINMENT PRESSURE TEXT 3.6.1.5 1 10/05/2005 Title: CONTAINMENT SYSTEMS DRYWELL AIR TEMPERATURE TEXT 3.6.1.6 0 11/15/2002 Title: CONTAINMENT SYSTEMS SUPPRESSION CHAMBER-TO-DRYWELL VACUUM BREAKERS TEXT 3.6.2.1 2 04/23/2008 Title: CONTAINMENT SYSTEMS SUPPRESSION POOL AVERAGE TEMPERATURE TEXT 3.6.2.2 0 11/15/2002 Title: CONTAINMENT SYSTEMS SUPPRESSION POOL WATER LEVEL TEXT 3.6.2.3 1 01/16/2006 Title: CONTAINMENT SYSTEMS RESIDUAL HEAT REMOVAL (RHR) SUPPRESSION POOL COOLING TEXT 3.6.2.4 0 11/15/2002 Title: CONTAINMENT SYSTEMS RESIDUAL HEAT REMOVAL (RHR) SUPPRESSION POOL SPRAY TEXT 3.6.3.1 2 06/13/2006 Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT HYDROGEN RECOMBINERS TEXT 3.6.3.2 1 04/18/2005 Title: CONTAINMENT SYSTEMS DRYWELL AIR FLOW SYSTEM TEXT 3.6.3.3 1 02/28/2013 Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT OXYGEN CONCENTRATION TEXT 3.6.4.1 11 11/06/2014 Title: CONTAINMENT SYSTEMS SECONDARY CONTAINMENT Report Date: 02/03/16 Pages Page 5 of of 8 Report Date: 02/03/16

SSES MAN*UAL Manual Name :

S TSBI

-"*< Manual Title: TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL TEXT 3.6.4.2 10 02/02/2016 Title: CONTAINMENT SYSTEMS SECONDARY CONTAINMENT ISOLATION VALVES (SCIVS)

TEXT 3.6.4.3 4 09/21/2006 Title: CONTAINMENT SYSTEMS STANDBY GAS TREATMENT (SGT) SYSTEM TEXT 3.7.1 4 04/05/2010 Title: PLANT SYSTEMS RESIDUAL HEAT REMOVAL SERVICE WATER (RHRSW) SYSTEM AND THE ULTIMATE HEAT SINK (TIES)

TEXT 3.7.2 2 02/11/2009 Title: PLANT SYSTEMS EMERGENCY SERVICE WATER (ESW) SYSTEM TEXT 3.7.3 1 01/08/2010 Title: PLANT SYSTEMS CONTROL ROOM EMERGENCY OUTSIDE AIR SUPPLY (CREOAS) SYSTEM TEXT 3.7.4 Title:

0 11/15/2002 PLANT SYSTEMS CONTROL ROOM FLOOR COOLING SYSTEM 9

TEXT 3.7.5 1' 10/04/2007 Title: PLANT SYSTEMS MAIN CONDENSER OFFGAS TEXT 3.7.6 2 04/23/2008 Title: PLANT SYSTEMS MAIM TURBINE BYPASS SYSTEM TEXT 3.7.7 1 10/04/2007 Title: PLANT SYSTEMS SPENT FUEL STORAGE POOL WATER LEVEL TEXT 3.7.8 0 04/23/2008 Title: PLANT SYSTEMS TEXT 3.8.1 7 02/24/2014 Title: ELECTRICAL POWER SYSTEMS AC SOURCES - OPERATING TEXT 3.8.2 0 11/15/2002 Title: ELECTRICAL POWER SYSTEMS AC SOURCES - SHUTDOWN of .8.

Page Page .6~ of 8 Report Date: 02/03/16

~SSE MANUAL SManual Name: TSB1 W Manual Title: TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL TEXT 3.8.3 4 10/23/2013 Title: ELECTRICAL POWER SYSTEMS DIESEL FUEL OIL, LUBE OIL, AND STARTING AIR TEXT 3.8.4 3 01/19/2 009 Titles ELECTRICAL POWER SYSTEMS DC SOURCES - OPERATING TEXT 3.8.5 1 12/14/2006 Title: ELECTRICAL POWER SYSTEMS DC SOURCES - SHUTDOWN TEXT 3.8.6 1 12/14/2006 Title : ELECTRICAL POWER SYSI ?EMS BATTERY CELL PARAMETERS TEXT 3.8.7 1 10/05/2005 Title:. ELECTRICAL POWER SYSI 'EMS DISTRIBUTION SYSTEMS - OPERATING TEXT 3.8.8 0 11/15/2002 Title : ELECTRICAL POWER SYS'I'EMS DISTRIBUTION SYSTEMS - SHUTDOWN TEXT 3.9.1 0 11/15/2002 Title: REFUELING OPERATIONS REFUELING EQUIPMENT INTERLOCKS TEXT 3.9.2 1 09/01/2010 Title : REFUELING OPERATIONS REFUEL POSITION ONE-ROD-OUT INTERLOCK TEXT 3.9.3 0 11/15/2002 Title:* REFUELING OPERATIONS CONTROL ROD POSITION TEXT 3.9.4 0 11/15/2002 Title : REFUELING OPERATIONS CONTROL ROD POSITION INDICATION TEXT 3.9.5 0 11/15/2002 Title : REFUELING OPERATIONS CONTROL ROD OPERABILITY - REFUELING TEXT 3.9.6 1 10/04/2007 Title: REFUELING OPERATIONS REACTOR PRESSURE VESSEL (RPV) WATER LEVEL Report Date: 02/03/16 Pages Page

  • of of 8 Report Date: 02/03/16

1'Lanual Name: TSBI D}anual Title: TECHNICAL SPECIFICATION BASES UNIT 1 MANUAL TEXT 3.9.7 0 11/15/2002 Title: REFUELING OPERATIONS RESIDUAL HEAT REMOVAL (RHR) - HIGH WATER LEVEL TEXT 3.9.8 0 11/15/2002 Title: REFUELING OPERATIONS RESIDUAL HEAT REMOVAL (RHR) - LOW WATER LEVEL TEXT 3.10.1 1 01/23/2008 Title: SPECIAL OPERATIONS INSERVICE LEAK AND HYDROSTATIC TESTING OPERATION TEXT 3.10.2 0 11/15/2002 Title: SPECIAL OPERATIONS REACTOR NODE SWITCH INTERLOCK TESTING TEXT 3.10.3 0 11/15/2002 Title: SPECIAL OPERATIONS SINGLE CONTROL ROD WITHDRAWAL - HOT SHUTDOWN TEXT 3.10.4 0 11/15/2002 Title: SPECIAL OPERATIONS SINGLE CONTROL ROD WITHDRAWAL - COLD SHUTDOWN TEXT 3.10.5 0 11/15/2002 Title: SPECIAL OPERATIONS SINGLE CONTROL ROD DRIVE (CRD) REMOVAL - REFUELING TEXT 3.10.6 0 11/15/2002 Title: SPECIAL OPERATIONS MULTIPLE CONTROL ROD WITHDRAWAL - REFUELING TEXT 3.10.7 1 04/18/2006 Title: SPECIAL OPERATIONS CONTROL ROD TESTING - OPERATING TEXT 3.10.8 1 04/12/2006 Title: SPECIAL OPERATIONS SHUTDOWN MARGIN (SDN) TEST - REFUELING Report Date: 02/03/16 Page 8 of of 8 8 Report Date: 02/03/16 Page.-8

SUSQUEHANNA STEAM*4 ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPEC IFICATIONS BASES)

Section Titl.._e Revision TOC Table of Contents 23 B 2.0 SAFETY LIMITS BASES PageTSI/B2.0.1 1 Page TSI/B 2.0-2 3 Page TS /B 2.0-3 6 Page TSI/B 2.0-4 4 Page TSI/B 2.0-5 6 Page TS I B 2.0-6 1 Pages TS I B 2.0-7 through TS I B 2.0.9 1 B 3.0 LCO AND SR APPLICABILITY BASES Page TS / B 3.0-1

  • I*

Pages TS I B 3.0-2 through TS I B 3.0-4 0 Pages TS I B 3.0-5 through TS / B 3.0-7 1 Page TS I B 3.0-8 3 Pages TS I B 3.0-9 through TS / B 3.0.11 2 Page TS / B 3.0-11a 0 Page TS / B 3.0-12.,,,. * *1 Pages TS I B 3.0-13 through TS **2 Pages TS I B 3.0-16 and TS / 0- 0 Pages B 3.1-1 throug 0 Page TS I B 3.1-5 1 Pages TSI/B3. T .1-7 2 Pages B 3.1-8 3.1- 3; 0 Pa - *rough B3.1-19 0 Pa *. -20Oand TS /B 3.1-21 1 Pa 51B 3.1-24 0 TS / B 3.1-25 through TS I B 3.1-27 1 TS /B 3.-282 Page TS / B 3.1-29 1 Pages B 3.1-30 through B 3.1-33 0 Pages TS I B 3.3-34 through TS / B 3.3-36 1 Page TS I B 3.1-37 2 Page TS / B 3.1-38 3 Pages TS I B 3.1-39 and TS I B 3.1-40 2 Page TS I B 3.1-40a 0 Pages TSI/B 3.1-41 and TS /B 3.1-42 2 Revision 122 SUSQUEHANNA UNIT SUSQUEHANNA- - UNIT 1I TS/B TS / B LOES-1 LOES-1 Revision 122

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Page TS / B 3.1.43 1 Page TS I B 3.1-44 0 Page TS I B 3.1-45 3 Pages TS I B 3.1-46 through TS / B 3.1-49 1 Page TS / B 3.1-50 0 Page TS / B3.1-51 3 B 3.2 POWER DISTRIBUTION LIMITS BASES Page TS / B 3.2-1 2 Pages TS I B 3.2-2 and TS I B 3.2-3 3 Pages TS I B 3.2-4 and TS / B 3.2-5 2 Page TS / B 3.2-6 3 Page B 3.2-7 1 Pages TS / B 3.2-8 and TS I B 3.2-9 3 Page TS I B 3.2.10 2 Page TS I B 3.2-11 3 Page TS I B 3.2-12 1 Page TS I B 3.2-13 2 B 3.3 INSTRUMENTATION Pages TS I B 3.3-1 through TS / B 3.3-4 1 Page TS I B 3.3-5 2 Page TS I B 3.3-6 1 Page TS / B 3.3-7 3 Page TSI/B 3.3-7a 1 Page TS / B 3.3-8 5 Pages TS / B 3.3-9 through TS / B 3.3-12 3 Pages TS I B 3.3-12a 1 Pages TS I B 3.3-12b and TS I B 3.3-12c 0 Page TS I B 3.3-13 1 Page TS I B 3.3-14 3 Pages TS I B 3.3-15 and TS / B 3.3-16 1 Pages TS I B 3.3-17 and TS I B 3.3-18 4 Page TS I B 3.3-19 1 Pages TS I B 3.3-20 through TS I B 3.3-22 2 Page TS I B 3.3-22a 0 Pages TS / B 3.3-23 and TS I B 3.3-24 2 Pages TS I B 3.3-24a and TS / B 3.3-24b 0 Page TSI/B 3.3-25 3 Page TSI/B 3.3-26 2 Page TS I B 3.3-27 1 Page TS / B 3.3-28 3 Page TS I B 3.3-29 4 Page TS I B 3.3-30 3 Page TS I B 3.3-30a 0 SUSQUEHANNA - UNIT 1 TS / B LOES-2 Revision 122

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Page TS/ B 3.3-31 4 Page TS I B 3.3-32 5 Pages TS I B 3.3-32a 0 Page TS / B 3.3-32b 1 Page TS / B 3.3-33 5 Page TS I B 3.3-33a 0 Page TS / B 3.3-34 1 Pages TS / B 3.3-35 and TS / B 3.3-36 2 Pages TS / B 3.3-37 and TS / B 3.3-38 1 Page TSI/B 3.3-39 2 Pages TS / B 3.3-40 through TS / B 3.3-43 1 Page TS / B 3.3-44 4 Pages TS I B 3.3-44a and TS I B 3.3-44b 0 Page TSI/B 3.3-45 3 Pages TS / B 3.3-45a and TS / B 3.3-45b 0 Page TS / B3.3-46 3 Pages TS I B 3.3-47 2 Pages TS I B 3.3-48 through TS I B 3.3-51 3 Pages TS / B 3.3-52 and TS I B 3.3-53 2 Page TS I B 3-3-53a 0 Page TSI/B 3.3-54 5 Page TSI/B 3.3-55 2 Pages TS I B 3.3-56 and TS / B 3.3-57 1 Page TS I B 3.3-58 0 Page TS / B 3.3-59 1 Page TS I B 3.3-60 0 Page TS / B 3.3-61 1 Pages TS / B 3.3-62 and TS I B 3.3-63 0 Pages TS I B 3.3-64 and TS I B 3.3-65 2 Page TS I B 3.3-66 4 Page TS / B 3.3-67 3 Page TS I B 3.3-68 4 Page TSI/B 3.3-69 5 Pages TS I B 3.3-70 4 Page TS / B 3.3-71 3 Pages TS I B 3.3-72 and TS I B 3.3-73 2 Page TS / B 3.3-74 3 Page TS / B 3.3-75 2 Page TS I B 3.3-75a 6 Page TS / B 3.3-75b 7 Page TSI/B 3.3-75c 6 Pages B 3.3-76 through B 3.3-77 0 Page TS I B 3.3-78 1 TSIB LOES-3 Revision 122 SUSQUEHANNA-SUSQUEHANNA-UNIT1 UNIT 1 TS / B LOES-3 Revision 122

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Pages B 3.3-79 through B 3.3-81 0 Page TS / B 3.3-82 2 Page B 3.3-83 0 Pages B 3.3-84 and B 3.3-85 1 Page B 3.3-86 0 Page B 3.3-87 1 Page B 3.3-88 0 Page B 3.3-89 1 Page TS / B 3.3-90 1 Page B 3.3-91 0 Pages TS / B 3.3-92 through TS / B 3.3-100 1 Pages TS / B 3.3-1 01 through TS / B 3.3-103 0 Page TS / B 3.3-104 2 Pages TS / B 3.3-105 and TS /B 3.3-106 0 Page TS / B 3.3-107 1 Page TS / B 3.3-108 0 Page TS / B 3.3-109 1 Pages TS / B 3.3-110 and TS /B 3.3-111 0 Pages TS / B 3.3-112 and TS/ B 3.3-112a 1 Pages TS / B 3.3-113 through TS / B 3.3-115 1 Page TS / B 3.3-116 3 Page TS /B 3.3-117 1 Pages TS / B 3.3-118 through TS / B 3.3-122 0 Pages TS / B 3.3-123 and TS / B 3.3-124 1 Page TS / 2 3.3-124a 0 Page TS / B 3.3-125 0 Pages TS / B 3.3-126 and TS / B 3.3-127 1 Pages TS / B 3.3-128 through TS/ B 3.3-130 0 Page TS / B 3.3-131 1 Pages TS / B 3.3-132 through TS / B 3.3-134 0 Pages B 3.3-135 through B 3.3-137 0 Page TS / B 3.3-138 1 Pages B 3.3-139 through B 3.3-149 0 Pages TS / B 3.3-150 and TS / B 3.3-151 1 Pages TS / B 3.3-152 through TS / B 3.3-154 2 Page TS /2B3.3-155 1 Pages TS / B 3.3-1 56 through TS / B 3.3-158 2 Pages TS /23.3-159 and TS /B3.3-160 1 Page TS /2B3.3-161 2 Page TS /2B3.3-162 1 Page TS /2B3.3-163 2 Page TS /1B3.3-164 1 Pages TS / B 3.3-165 through TS / B 3.3-167 *2 UNIT I1 TS/BLOES-4 Revision 122 SUSQUEHANNA UNIT SUSQUEHANNA- -

TS / B LOES-4 Revision 122

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Section Title Revision Pages TS / B 3.3-168 and TS / B 3.3-169 1 Page TS / B 3.3-170 3 Page TS / B 3.3-171 2 Pages TS / B 3.3-1 72 through TS!/ B 3.3-177 1 Pages TS / B 3.3-178 and TS/IB 3.3-179 2 Page TS I B 3.3-179a 2 Pages TS / B 3.3-179b and TS LB 3.3-179c 0 Page TS / B 3.3-180 1 Page TS / B 3.3-181 3 Page TS / B 3.3-182 1 Page TS I B 3.3-183 2 Page TS / B 3.3-184 1 Page TS I B 3:3-185 4 Page TS / B 3.3-186 1 Pages TS / B 3.3-187 and TS / B 3.3-188 2 Pages TS I B 3.3-1 89 through TS / B 3.3-191 1 Page TS / B 3.3-192 0 Page TS / B 3.3-193 1 Pages TS I B 3.3-194 and TS I B 3.3-195 0 Page TS / B 3.3-196 2 Pages TS / B 3.3-197 through TS!/ B 3.3-204 0 Page TS I B 3.3-205 1 Pages B 3.3-206 through B 3.3-209 0 Page TSI/B 3.3-210 1 Pages B 3.3-211 through B 3.3-219 0 B 3.4 REACTOR COOLANT SYSTEM BASES Pages B 3.4-1 and B 3.4-2 0 Pages TS / B 3.4-3 and Page TS / B 3.4-4 4 Page TS / B 3.4-5 3 Pages TS / B 3.4-6 through TS / B 3.4-9 2 Page TS / B 3.4-10 1 Pages TS / 3.4-11 and TS / B 3.4-12 0 Page TS / B 3.4-13 2 Page TS / B 3.4-14 1 Page TS / B 3.4-15 2 Pages TS / B 3.4-16 and TS / B 3.4-17 4 Page TS I B 3.4-18 2 Pages B 3.4-19 through B 3.4-27 0 Pages TS / B 3.4-28 and TS / B 3.4-29 1 Page TS / B3.4-30 2 Page TS I B 3.4-31 1 Pages TS / B 3.4-32 and TS / B 3.4-33 2 Page TS / B 3.4-34 1 Page TS I B 3.4-34a 0 Revision 122 SUSQUEHANNA SUSQUEHANNA-UNIT1- UNIT 1 TS B LOES-5 TS // B LOES-5 Revision 122

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Section Title Revision Pages TS I B 3.4-35 and TS I B 3.4-36 1 Page TS / B 3.4-37 2 PageTSI/B 3.4-38 I Pages B 3.4-39 and B 3.4-40 0 Page TSI!B 3.4-41 2 Pages TS / B 3.4-42 through TS I B 3.4-45 0 Page TS t B 3.4-46 1 Pages TS B 3.4-47 and TS / B 3.4-48 0 Page TS I B 3.4-49 3 Page TS I B 3.4-50 1 Page TS I B 3.4-51 3 Page TS I B 3.4-52 3 Page TS / B3.4-52a 0 Pages TS I B 3.4-53 through TS / B 3.4-56 2 Page TS / B 3.4-57 4 Page TS / B 3.4-57a 0 Pages TS I B 3.4-58 through TS / B 3.4-60 1 B 3.5 ECCS AND RCIC BASES Pages B 3.5-1 and B 3.5-2 0 Page TS / B 3.5-3 3 Page TS I B 3.5-4 1 Page TS / B 3.5-5 2 Page TS I B 3.5-6 1 Pages B 3.5-7 through B 3.5-10 0 Page TS /B 3.5-11 I Page TS / B 3.5-12 0 Page TS I B 3.5-13 2 Pages TS I B 3.5-14 and TS / B 3.5-15 0 Pages TS I B 3.5-16 and TS I B 3.5-17 3 Page TS / B 3.5-18 1 Pages B 3.5-19 through B 3.5-24 0 Page TS I B 3.5-25 1 Page TS / B 3.5-26 and TS / B 3.5-27 2 Page TS / B 3.5-28 0 Page TS / B3.5-29 1 Pages TS / B 3.5-30 and TS / B] 3.5-31 0 B]3.6 CONTAINMENT SYSTEMS BASES Page TS / B] 3.6-1 2 Page TS / B] 3.6-la 3 Page TS / B] 3.6-2 -4 Page TS / B] 3.6-3 3 Page TS / B] 3.6-4 4 Pages TS I B] 3.6-5 and TS / B 3.6-6 3 Revision 122 SUSQUEHANNA - UNIT SUSQUEHANNA - UNIT 1I TS / B LOES-6 TS/B LOES-6 Revision 122

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Page TS I B 3.6-6a 2 Page TS / B 3.6-6b 4 Page TS I B 3.6-6c 0 Page B 3.6-7 0 Page B 3.6-8 1 Pages B 3.6-9 through 8 3.6-14 0 Page TS / B 3.6-15 3 Page TS I B 3.6-15a 0 Page TS /8B 3.6-15b 2 Pages TS /8B3.6-16 and TS /8B3.6-17 2 Page TSI/B 3.6-17a I Pages TS /8B3.6-18 and TS I B 3.6-19 0 Page TS /8B3.6-20 1 Page TS I B 3.6-21 2 Page TS /8B3.6-22 1 Page TS / B 3.6-22a 0 Page TS /8B3.6-23 1 Pages TS I B83.6-24 and TS / B 3.6-25 0 Pages TS I B83.6-26 and TS I B 3.6-27 2 Page TS / 8 3.6-28 7 Page TS / B3.6-29 2 Page TS /8B3.6-30 1 Page TS /183.6-31 3 Pages TS / B 3.6-32 and TS / B 3.6-33 1 Pages TS / B 3.6-34 and TS / B 3.6-35 0 Page TS I B 3.6-36 1 Page TS /8B3.6-37 0 Page TS /8B3.6-38 3 Page TS /8B3.6-39 2 Page TS /8B3.6-40 6 Page TS / B 3.6-40a 1 Page 8 3.6-41 1 Pages B 3.6-42 and B 3.6-43 0 Pages TS / B 3.6-44 and TS / B 3.6-45 1 Page TS /8B3.6-46 2 Pages TS / B 3.6-47 through TS / B 3.6-51 1 Page TS /8B3.6-52 2 Pages TS /8B3.6-53 through TS / 8 3.6-56 0 Page TS /8B3.6-57 1 Page TS / 3.6-58 2 Pages B 3.6-59 through B 3.6-63 0 Pages TS / B 3.6-64 and TS I B 3.6-65 1 Pages B 3.6-66 through 8 3.6-69 0 Revision 122 SUSQUEHANNA-SUSQUEHANNA-UNIT1 UNIT I TS / B LOES-7 TSIB LOES-7 Revision 122

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Pages TS / B 3.6-70 through TS / B 3.6-75 1 Pages B 3.6-76 and B 3.6-77 0 Page TS / B 3.6-78 1 Pages B 3.6-79 and B 3.3.6-80 0 Page TSI/ B 3.6-81 1 Pages TS I B 3.6-82 and TS / B 3.6-83 0 Page TS / B 3.6-84 4 Page TS I B 3.6-85 2 Page TS / B 3.6-86 4 Pages TS / B 3.6-87 through TS / B 3.6-88a 2 Page TS / B 3.6-89 6 Page TS / B 3.6-90 4 Page TS I B 3.6-90a 0 Pages TS I B 3.6-91 and TS / B 3.6-92 3 Page TS I B 3.6-93 2 Pages TS / B 3.6-94 through TS / B 3.6-96 1 Page TS I B 3.6-97 2 Page TS / B 3.6-98 1 Page TS I B 3.6-99 2 Pages TS / B 3.6-100 7 Page TS / B 3.6-l00a 6 Page TS I B 3.6-100b 4 Page TS / B 3.6-100c 0 Pages TS / B 3.6-101 and TS / B 3.6-102 1 Pages TS I B 3.6-103 and TS / B 3.6-104 2 Page TS I B 3.6-105 3 Page TS I B 3.6-1 06 2 Page TS / B 3.6-107 3 B 3.7 PLANT SYSTEMS BASES Pages TS / B 3.7-1 3 Page TS I B 3.7-2 4 Pages TS / B 3.7-3 through TS / B 3.7-5 3 Page TS I B 3.7-5a I Page TS I B 3.7-6 3 Page TS I B 3.7-6a 2 Page TS I B 3.7-6b I Page TS I B 3.7-6c 2 Page TS I B 3.7-7 3 Page TS / B 3.7-8 2 Pages TS / B 3.7-9 through TS / B 3.7-11 1 Pages TS I B 3.7-12 and TS I B 3.7-13 2 Pages TS I B 3.7-14 through TS / B 3.7-18 3 Page TS I B 3.7-18a 1 Pages TS / B 3.7-18b through TS I B 3.7-18e 0 TSIB LOES-8 Revision 122 SUSQUEHANNA-UNITI SUSQUEHANNA - UNIT 1 TS / B LOES-8 Revision 122

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Section Title Revision Pages TS / B 3.7-19 through TS / B 3.7-23 1 Page TIS / B 3.7-24 1 Pages TS./ B 3.7-25 and TS I B 3.7-26 0 Pages TS / B 3.7-27 through TS / B 3.7-29 5 Page TS / B 3.7-30 2 Page TS /B 3.7-31 1 Page TS / B 3.7-32 0 Page TS / B 3.7-33 1 Pages TS I B 3.7-34 through TS / B 3.7-37 0 B 3.8 ELECTRICAL POWER SYSTEMS BASES Page TS / B 3.8-1 3 Pages TS I B] 3.8-2 and TS / B] 3.8-3 2 Page TS I B] 3.8-4 3 Pages TS I B] 3.8-4a and TS I B] 3.8-4b 0 Page TS I B] 3.8-5 5 Page TS / B] 3.8-6 3 Pages TS I B] 3.8-7 through TSIB 3.8-8 2 Page TS I B 3.8-9 4 Page TS / B] 3.8-10 3 Pages TS I B] 3.8-1 land TS / B] 3.8-17 2 Page TS / B] 3.8-18 3 Pages TS I B] 3.8-19 through TS I B] 3.8-21 2 Pages TS I B] 3.8-22 and TS I B 3.8-23 3 Pages TS / B] 3.8-24 through TS / B] 3.8-30 2 Pages TS / B] 3.8-31 and TS / B] 3.8-32 3 Pages TS 1B 3.8-33 through TS / B] 3.8-37 2 Pages B] 3.8-38 through B] 3.8-44 0 Page TS I B] 3.8-45 3 Pages TS I B] 3.8-46 through TS I B] 3.8-48 0 Pages TS I B] 3.8-49 and TS / B 3.8-50 3 Page TS / B] 3.8-51 1 Page TS / B 3.8-52 0 Page TS / B 3.8-53 1 Pages TS / B] 3.8-54 through TS / B] 3.8-57 2 Pages TS I B] 3.8-58 through TS / B 3.8-61 3 Pages TS / B] 3.8-62 and TS / B] 3.8-63 5 Page TS / B] 3.8-64 4 Page TS / B 3.8-65 5 Pages TS / B] 3.8-66 through TS I B] 3.8-77 1 Pages TS / B] 3.8-77A through TS / B] 3.8-77C 0 Pages B] 3.8-78 through B] 3.8-80 0 Page TS / B 3.8-81 1 Pages B] 3.8-82 through B] 3.8-90. 0 TS/BLOES-9 Revision 122 SUSQUEHANNA UNIT SUSQUEHANNA- -

UNIT I1 TS / B LOES-9 Revision 122

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Section Title Revision B 3.9 REFUELING OPERATIONS BASES Pages TS I B 3.9-1 and TS / B 3.9-la 1 Pages TS I B 3.9-2 through TS / B 3.9-5 1 Pages TS / B 3.9-6 through TS / B 3.9-8 0 Pages B 3.9-9 through B 3.9-18 0 Pages TS / B 3.9-19 through TS I B 3.9-21 1 Pages B 3.9-22 through B 3.9-30 0 B 3.10 SPECIAL OPERATIONS BASES Page TS I B 3.10-1 2 Pages TIS / B 3.10-2 through TS I B 3.10-5 1 Pages B 3.10-6 through B 3.10-31 ,

Page TS / B 3.10-32 2 Page B 3.10-33 0 Page TS I B 3.10-34 1 Pages B 3.10-35 and B 3.10-36 0 Page TS / B 3.10-37 1 Page TS / B 3.10-38 2 Revision 122 SUSQUEHANNA UNIT SUSQUEHANNA- - UNIT 1I TS B LOES-lO TS /I B LOES-10 Revision 122

Rev. 10 SCIVs B 3.6.4.2 3.6 CONTAINMENT SYSTEMS B 3.6.4.2 Secondary Containment Isolation Valves (SCIVs)

BASES BACKGROUND The function of the SCIVs, in combination with other accident mitigation systems, is to limit fission product release during and following postulated Design Basis Accidents (DBAs) (Ref. 1). Secondary containment isolation within the time limits specified for those isolation valves designed to close automatically ensures that fission products that leak from primary containment into secondary containment following a DBA, or that are released during certain operations when primary containment is not required to be OPERABLE or take place outside primary containment, are maintained within the secondary containment boundary.

The OPERABILITY requirements for SCIVs help ensure that an adequate secondary containment boundary is maintained during and after an accident by minimizing potential paths to the environment. These isolation devices consist of either passive devices or active (automatic) devices. Manual valves or dampers, de-activated automatic valves or dampers secured in their closed position (including check valves with flow through the valve secured), and blind flanges are considered passive devices.

Automatic SClVs close on a secondary containment isolation signal to establish a boundary for untreated radioactive material within secondary containment following a DBA or other accidents.

Other non-sealed penetrations which cross a secondary containment boundary are isolated by the use of valves in the closed position or blind flanges.

APPLICABLE The SCIVs must be OPERABLE to ensure the secondary containment SAFETY barrier to fission product releases is established. The principal accidents for ANALYSES which the secondary containment boundary is required are a loss of coolant accident (Ref. 1) and a fuel handling accident inside secondary containment (Ref. 2). The secondary containment performs no active function in response to either of these limiting events, but the boundary (continued)

SUSQUEHANNA - UNIT I TS / B 3.6-91 SB.-1Rvso Revision 3

Rev. 10 SClVs B 3.6.4.2 BASES APPLICABLE established by SCI Vs is required to ensure that leakage from the primary SAFETY containment is processed by the Standby Gas Treatment (SGT) System ANALYSES before being released to the environment.

(continued)

Maintaining SClVs OPERABLE with isolation times within limits ensures that fission products will remain trapped inside secondary containment so that they can be treated by the SGT System prior to discharge to the environment.

SCl Vs satisfy Criterion 3 of the NRC Policy Statement (Ref. 3).

LCO SClVs that form a part of the secondary containment boundary are required to be OPERABLE. Depending on the configuration of the secondary containment only specific SCIVs are required. The SCIV safety function is related to control of offsite radiation releases resulting from DBAs.

The automatic isolation valves are considered OPERABLE when their isolation times are within limits and the valves actuate on an automatic isolation signal. The valves covered by this LCO, along with their associated stroke times, are listed in Table B 3.6.4.2-1.

The normally closed isolation valves or blind flanges are considered OPERABLE when manual valves are closed or open in accordance with appropriate administrative controls, automatic SClVs are deactivated and secured in their closed position, or blind flanges are in place. These passive isolation valves or devices are listed in Table B3.6.4.2-2. Penetrations closed with sealants are considered part of the secondary containment boundary and are not considered penetration flow paths.

Certain plant piping systems (e.g., Service Water, RHR Service Water, Emergency Service Water, Feedwater, etc.) penetrate the secondary containment boundary. The intact piping within secondary containment provides a passive barrier which maintains secondary containment requirements. When the SDHR and temporary chiller system piping is connected and full of water, the piping forms the secondary containment boundary and the passive devices in TS Bases Table B3.6.4.2-2 are no longer required for these systems since the piping forms the barrier. During certain plant evolutions, piping systems may be drained and breached within secondary containment. During the pipe breach, system isolation valves can be used to provide secondary containment isolation. The isolation valve alignment will be controlled when the piping system is breached.

(continued)

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/ B 3.6-92 Revision 3

Rev. 10 SCIVs B 3.6.4.2 BASES (continued)

APPLICABILITY In MODES 1, 2, and 3, a DBA could lead to a fission product release to the primary containment that leaks to the secondary containment. Therefore, the OPERABILITY of SCIVs is required.

In MODES 4 and 5, the probability and consequences of these events are reduced due to pressure and temperature limitations in these MODES.

Therefore, maintaining SC1 Vs OPERABLE is not required in MODE 4 or 5, except for other situations under which significant radioactive releases can be postulated, such as during operations with a potential for draining the reactor vessel (OPDRVs), during CORE ALTERATIONS, or during movement of irradiated fuel assemblies in the secondary containment.

Moving irradiated fuel assemblies in the secondary containment may also occur in MODES 1, 2, and 3.

ACTIONS The ACTIONS are modified by three Notes. The first Note allows penetration flow paths to be unisolated intermittently under administrative controls. These controls consist of stationing a dedicated operator, who is in continuous communication with the control room, at the controls of the isolation device. In this way, the penetration can be rapidly isolated when a need for secondary containment isolation is indicated.

The second Note provides clarification that for the purpose of this LCO separate Condition entry is allowed for each penetration flow path. This is acceptable, since the Required Actions for each Condition provide appropriate compensatory actions for each inoperable SCIV. Complying with the Required Actions may allow for continued operation, and subsequent inoperable SCIVs are governed by subsequent Condition entry and application of associated Required Actions.

The third Note ensures appropriate remedial actions are taken, if necessary, if the affected system(s) are rendered inoperable by an inoperable SCIV.

A.1 and A.2 In the event that there are one or more required penetration flow paths with one required SCIV inoperable, the affected penetration flow path(s) must be isolated. The method of isolation must include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic SCIV, a closed manual valve, and a blind flange. For penetrations isolated in (continued)

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Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS A.1 and A.2 (continued) accordance with Required Action A.1, the device used to isolate the penetration should be the closest available device to secondary containment. The Required Action must be completed within the 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> Completion Time. The specified time period is reasonable considering the time required to isolate the penetration, and the probability of a DBA, which requires the SCIVs to close, occurring during this short time is very low.

For affected penetrations that have been isolated in accordance with Required Action A.1, the affected penetration must be verified to be isolated on a periodic basis. This is necessary to ensure that secondary containment penetrations required to be isolated following an accident, but no longer capable of being automatically isolated, will be in the isolation position should an event occur. The Completion Time of once per 31 days is appropriate because the valves are operated under administrative controls and the probability of their misalignment is low. This Required Action does not require any testing or device manipulation. Rather, it involves verification that the affected penetration remains isolated.

Condition A is modified by a Note indicating that this Condition is only applicable to those penetration flow paths with two SCIVs. For penetration flow paths with one SCIV, Condition C provides the appropriate Required Actions.

Required Action A.2 is modified by a Note that applies to devices located in high radiation areas and allows them to be verified closed by use of administrative controls. Allowing verification by administrative controls is considered acceptable, since access to these areas is typically restricted.

Therefore, the probability of misalignment, once they have been verified to be in the proper position, is low.

B.1 With two SCIVs in one or more penetration flow paths inoperable, the affected penetration flow path must be isolated within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />. The method of isolation must (continued)

SUSQUEHANNA - UNIT 1 TS / B 3.6-94 S/B3694Rvso Revision 1

Rev. 10 SCI Vs B 3.6.4.2 BASES ACTIONS B.1 (continued) include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic valve, a closed manual valve, and a blind flange. The 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Completion Time is reasonable considering the time required to isolate the penetration and the probability of a OBA, which requires the SCIVs to close, occurring during this short time, is very low.

The Condition has been modified by a Note stating that Condition B is only applicable to penetration flow paths with two isolation valves. For penetration flow paths with one SCIV, Condition C provides the appropriate Required Actions.

C.1 and C.2 With one or more required penetration flow paths with one required SCIV inoperable, the inoperable valve must be restored to OPERABLE status or the affected penetration flow path must be isolated. The method of isolation must include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic valve, a closed manual valve, and a blind flange. A check valve may not be used to isolate the affected penetration. Required Action C.1 must be completed within the 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Completion Time. The Completion Time of 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> is reasonable considering the relative stability of the system (hence, reliability) to act as a penetration isolation boundary and the relative importance of supporting secondary containment OPERABILITY during MODES 1, 2, and 3.

In the event the affected penetration flow path is isolated in accordance with Required Action C.1, the affected penetration must be verified to be isolated on a periodic basis. This is necessary to ensure that secondary containment penetrations required to be isolated following an accident are isolated.

The Completion Time of once per 31 days for verifying each affected penetration is isolated is appropriate because the (continued)

SUSQUEHANNA - UNIT I1SB.-5Rvso TS / B 3.6-95 Revision 1

Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS C.1 and C.2. (continued) valves are operated under administrative controls and the probability of their misalignment is low.

Condition C is modified by a Note indicating that this Condition is only applicable to penetration flow paths with only one SCIV. For penetration flow paths with two SCIVs, Conditions A and B provide the appropriate Required Actions.

Required Action C.2 is modified by a Note that applies to valves and blind flanges located in high radiation areas and allows them to be verified by use of administrative means. Allowing verification by administrative means is considered acceptable, since access to these areas is typically restricted.

Therefore, the probability of misalignment of these valves, once they have been verified to be in the proper position, is low.

D.1 and D.2 If any Required Action and associated Completion Time cannot be met, the plant must be brought to a MODE in which the LCO does not apply. To achieve this status, the plant must be brought to at least MODE 3 within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and to MODE 4 within 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />. The allowed Completion Times are reasonable, based on operating experience, to reach the required plant conditions from full power conditions in an orderly manner and without challenging plant systems.

E.1. E.2. and E.3 If any Required Action and associated Completion Time are not met, the plant must be placed in a condition in which the LCO does not apply. If applicable, CORE ALTERATIONS and the movement of irradiated fuel assemblies in the secondary containment must be immediately suspended.

Suspension of these activities shall not preclude completion of movement of a component to a safe position. Also, if applicable, actions must be immediately initiated to suspend OPDRVs in order to minimize the probability of a vessel draindown and the subsequent potential for fission product release. Actions must continue until OPDRVs are suspended.

(continued)

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/ B 3.6-96 Revision 1

Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS E.1, E.2, and E.3 (continued)

Required Action E.1 has been modified by a Note stating that LCO 3.0.3 is not applicable. If moving irradiated fuel assemblies while in MODE 4 or 5, LCO 3.0.3 would not specify any action. If moving fuel while in MODE 1, 2, or 3, the fuel movement is independent of reactor operations.

Therefore, in either case, inability to suspend movement of irradiated fuel assemblies would not be a sufficient reason to require a reactor shutdown.

SURVEILLANCE SR 3.6.4.2.1 REQU IREM ENTS This SR verifies that each secondary containment manual isolation valve and blind flange that is required to be closed during accident conditions is closed. The SR helps to ensure that post accident leakage of radioactive fluids or gases outside of the secondary containment boundary is within design limits. This SR does not require any testing or valve manipulation.

Rather, it involves verification (typically visual) that those required SCIVs in secondary containment that are capable of being mispositioned are in the correct position.

Since these SCIVs are readily accessible to personnel during normal operation and verification of their position is relatively easy, the 31 day Frequency was chosen to provide added assurance that the SCIVs are in the correct positions.

Two Notes have been added to this SR. The first Note applies to valves and blind flanges located in high radiation areas and allows them to be verified by use of administrative controls. Allowing verification by administrative controls is considered acceptable, since access to these areas is typically restricted during MODES 1, 2, and 3 for ALARA reasons.

Therefore, the probability of misalignment of these SCIVs, once they have been verified to be in the proper position, is low.

A second Note has been included to clarify that SCIVs that are open under administrative controls are not required to meet the SR during the time the SCIVs are open.

(continued)

SUSQUEHANNA -UNIT1IT TS / B 3.6-97

.- 7Rvso Revision 2

Rev. 10 SCIVs B 3.6.4.2 BASES SURVEILLANCE SR 3.6.4.2.2 REQUIREMENTS (continued) SCIVs with maximum isolation times specified in Table B 3.6.2.4-1 are tested every 92 days to verify that the isolation time is within limits to demonstrate OPERABILITY. Automatic SCI Vs without maximum isolation times specified in Table B 3.6.4.2-1 are tested under the requirements of SR 3.6.4.2.3. The isolation time test ensures that the SCIV will isolate in a time period less than or equal to that assumed in the safety analyses.

SR 3.6.4.2.3 Verifying that each automatic required SCIV closes on a secondary containment isolation signal is required to prevent leakage of radioactive material from secondary containment following a DBA or other accidents.

This SR ensures that each automatic SCIV will actuate to the isolation position on a secondary containment isolation signal. The LOGIC SYSTEM FUNCTIONAL TEST in SR 3.3.6.2.5 overlaps this SR to provide complete testing of the safety function. The 24 month Frequency is based on the need to perform this Surveillance under the conditions that apply during a plant outage and the potential for an unplanned transient if the Surveillance were performed with the reactor at power. Operating experience has shown these components usually pass the Surveillance when performed at the 24 month Frequency. Therefore, the Frequency was concluded to be acceptable from a reliability standpoint.

REFERENCES 1. FSAR, Section 6.2.

2. FSAR, Section 15.
3. Final Policy Statement on Technical Specifications Improvements, July 22, 1993 (58 FR 39132).

SUSQUEHANNA - UNIT 1 TSS/B3698Rvso

/ B 3.6-98 Revision 1

Rev. 10 SCIVs B 3.6.4.2 Table EB3.6.4.2-1 Secondary Containment Ventilation System Automatic Isolation Dampers (Page 1 of 1)

Reactor Building ITMaximum Valve Number Valve Description Type of Valve Isolation Zone Time Zone (Seconds)

I HD-17586 A&B Supply System Dampers Automatic Isolation Damper 10.0 I HD-17524 A&B Filtered Exhaust SystemDampers Automatic Isolation Damper 10.0 I HD-17576A&B Unfiltered Exhaust System Automatic Isolation Damper 10.0 II HD2786A& SppySyte DmprsAuomtc soatonDape 1.

II HD-27524 A&B Suplyee xasSystem Dampers Automatic Isolation Damper 10.0 I] HD-275724A&B Ufiltered Exhaust SystemDmes Automatic Isolation Damper 10.0 IlI HD-1 7564 A&B Supply System Dampers Automatic Isolation Damper 14.0 Ill HD-1 7514 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 6.5 111 HD-17502 A&B Unfiltered Exhaust System Automatic Isolation Damper 6.0 Il1 HD-27564 A&B Supply System Dampers Automatic Isolation Damper 14.0 Ill HD-27514 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 6.5 I[l HD-27502 A&B Unfiltered Exhaust System Automatic Isolation Damper 6.0 N/A HD-17534A Zone 3 Airlock 1-606 Automatic Isolation Damper N/A N/A HD-17534B Zone 3Airlock 1-611 Automatic Isolation Damper N/A N/A HD-17534D Zone 3 Airlock 1-803 Automatic Isolation Damper N/A N/A HD-17534E Zone 3 Airlock 1-805 Automatic Isolation Damper N/A N/A HD-17534F Zone 3 Airlock 1-617 Automatic Isolation Damper N/A N/A HD-17534H Zone 3 Airlock I-SI8 Automatic Isolation Damper N/A N/A HD-27534A Zone 3 Airlock 11-605 Automatic Isolation Damper N/A N/A HD-27534D Zone 3 Airlock 11-803 Automatic Isolation Damper N/A N/A HD-27534E Zone 3 Airlock 11-805 Automatic Isolation Damper N/A N/A HD-27534G Zone 3 Airlock C-806 Automatic Isolation Damper N/A N/A HD-27534H Zone 3 Airlock 11-618 Automatic Isolation Damper N/A N/A HD-275341 Zone 3 Airlock 11-609 Automatic Isolation Damper N/A SUSQUEHANNA -UNIT1IT .- 9Rvso TS / B 3.6-99 Revision 2

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 1 of 4)

Device Device Description ]Area/Elev ]Required Position I Notes Number SH ytm oFe oo olngYr!7 BidFage!Nt X-29-2-44 SDHR System to Fuel Pool Cooling Yard/670 Blind Flanged / Note I 1101764- SDHR Supyse Drai Vuel Closed Manual is/ ale 29lColnYr/670 Note 1 110186 SDHR DSuhppgy Drain Vlv 29/670 Closed Manual iso Valve! Note 1-110180 SDHR Supply Vent Vlv 29/749 Closed Manual iso Valve!/Note 1-110181 SDHR Discharge Fill Vlv 27/749 Closed Manual iso Valve!/ Note 1 110182 SDHR Discharge Vent Vlv 27/749 Closed Manual Iso Valve!/ Note 1 110187 SDHR Supply Fill Vlv 29/749 Closed Manual iso Valve!I Note 1 21 01 86 SDHR Supply Drain Vlv 33/749 Closed Manual iso Valve!/Note 1 210187 SDHR Supply Vent Viv 33/749 Closed Manual iso Valve!/ Note 1-210191 SD HR Discharge Vent VIv 30/749 Closed Manual iso Vaive!/Note 1 210192 SDHR Discharge Drain Vlv 30/749 Closed Manual iso Valve!/Note 1 210193 SDHR Discharge Vent Vlv 33/749 Closed Manual iso Valve!/ Note I X-29-2-46 Temporary Chiller to RBCW Yard!670 Blind Flanged!/ Note 2 X-29-2-47 Temp5orary Chiller to RBCW Yard!670 Blind Flanged / Note 2 X-29-5-95 Temporary Chiller to Unit 1 RBCW 29/749 Blind Flanged / Note 2 X-29-5-96 Temporary Chiller to Unit 1 RBCW 29/749 Blind Flanged / Note 2 X-29-5-91 Temporary Chiller to Unit 2 RBCW 33/749 Blind Flanged / Note 2 X-29-5-92 Temporary Chiller to Unit 2 RBCW 33/749 Blind Flanged / Note 2 187388 R BCW Temp Chiller Discharge Iso Vlv 29/670 Closed Manual iso Valve!/ Note 2 187389 RBCW Temp Chiller Supply Iso Vlv 29/670 Closed Manual Iso Valve!/ Note 2 187390 RBCW Temp Chiller Supply Drain Vlv 29/670 Closed Manual iso Valve!/ Note 2 187391 RBCW Temp Chiller Discharge Drain Vlv 29/670 Closed Manuel iso Valve!/ Note 2 X-28-2-3000 Utility Penetration to Unit 1 East Stairwell Yard!670 Blind Flanged / Note 3 X(:29-2-48 Utility Penetration to Unit 1 RR Bay. Yard!670 Capped!/ Note 5 X-33-2-3000 Utility Penetration to Unit 2 East Stairwell Yard!670 Blind Flanged I Note 4 X-28-2-3000 Utility Penetration to Unit 1 East Stairwell 28/670 Blind Flanged!/ Note 3 X-29-2--48 Utility Penetration to Unit 1 RR Bay 29/670 Capped!/ Note 5 X-33-2-3000 Utility Penetration to Unit 2 East Stairwell 33/670 Blind Flanged!/ Note 4 X(-29-3-54 Utility Penetration to Unit 1 RBCCW Hx Area 27/683 Blind Flanged ! Note 6 X-29-3-55 Utility Penetration to Unit 1 RBCCW Hx Area 27/683 Blind Flanged!/ Note 6 X-29-5-97 Utility Penetration from Unit 1 RR Bay to Unit 2 Elev. 749 33/749 Capped X-27-6-92 Instrument Tubing Stubs 27/779' Capped X(-29-7-4 1" Spare Conduit Threaded Plug 29/81 8' Installed X--30-6-72 Instrument Tubing Stubs 30/779' Capped X-30-6-1 002 Stairwell #214 Rupture Disc 30/779' Installed Intact X-30-6-1 003 Airlock 11-609 Rupture Disc 30/779' Installed Intact SUSQUEHANNA - UNIT 1 TSSIB361

/ B 3.6-1 O0 0Rvso Revision 7

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 2 of 4)

DeieDevice Description TraievJRequired Position / Notes X-25-6-1 008 Airlock 1-606 Rupture Disc 25/779' Installed Intact X-29-4-D1 -B Penetration at Door 4330 29/719' Blind Flange Installed X-29-4-DI1-A Penetration at Door 4330 29/719' Blind Flange Installed X-29-4-D1 -B Penetration at Door 404 33/719' Blind Flange Installed X-29-4-D1 -A Penetration at Door 404 33/719' Blind Flange Installed HD17534C Airlock 1-707 Blind Flange 28/799' Blind Flange Installed HD27534C Airlock 11-707 Blind Flange 33/799' Blind Flange Installed XD-1 7513 Isolation damper for Railroad Bay Zone Ill HVAC Supply 29/799' Position is dependent on Railroad Bay alignment XD-1 7514 Isolation damper for Railroad Bay Zone IIIHVAC Exhaust 29/719' Position is dependent on Railroad

____________________________________________________Bay alignment XD-1 2301 PASS Air Flow Damper 11/729' Closed Damper XD-223D1 PASS Air Flow Damper 22/729' Closed Damper 161827 HPCI Blowout Steam Vent Drain Valve 25/645' Closed Manual Iso Valve!/ Note 3 161828 RCIC Blowout Steam Vent Drain Valve 28/645' Closed Manual Iso Valve!/ Note 3 161829 'A' RHR Blowout Steam Vent Drain Valve 29/645' Closed Manual Iso Valve!/ Note 3 161830 'B' RHR Blowout Steam Vent Drain Valve 28/645' Closed Manual Iso Valve t Note 3 261820 RCIC Blowout Steam Vent Drain Valve 33/645' Closed Manual Iso Valve / Note 4 261821 'A' RHR Blowout Steam Vent Drain Valve 34/645' Closed Manual iso Valve / Note 4 261822 'B' RHR Blowout Steam Vent Drain Valve 33/645' Closed Manual iso Valve!/ Note 4 1LRWI810U Zone Ill Floor Drain 29-818 Plugged / Note 7 1LRWI810V Zone Ill Floor Drain 29-818 Plugged!/ Note 7 1LRW1810W Zone Ill Floor Drain 29-818 Plugged!/ Note 7 1LRWI810DX Zone Ill Floor Drain 29-818 Plugged!/ Note 7 1LRWI810DY Zone Ill Floor Drain 29-818 Plugged /Note 7 1LRWI810DZ Zone Ill Floor Drain 29-818 Plugged!/ Note 7 ILRW181 OFF Zone Ill Floor Drain 29-818 Plugged / Note 7 1LRWI810GG Zone Ill Floor Drain 29-818 Plugged / Note 7 1LRWI8I0HH Zone Ill Floor Drain 29-818 Plugged / Note 7 1LRWi181JJ Zone Ill Floor Drain 29-818 Plugged / Note 7 1LRWI810DKK Zone Ill Floor Drain 29-818 Plugged!/ Note 7 1LRWI61 5A Zone I, Zone Ill, or No Zone Floor Drain 29-779 Plugged!/ Note 7 1LRWI100DA Zone I, Zone III,or No Zone Floor Drain 29-670 Plugged / Note 7 1LRWI1 0DB Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged / Note 7 1LRWI100C Zone I, Zone III,or No Zone Floor Drain 29-670 Plugged!/ Note 7 1LRWI100D Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged / Note 7 1LRWI100E Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged / Note 7 1LRWI100OF Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged I Note 7 I LRWII1DOG Zone I, Zone l11,or No Zone Floor Drain 29-870 Plugged!/ Note 7 SUSQUEHANNA - UNIT 1 TS SIB36lOaRvso

/ B 3.6-100a Revision 6

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 3 of 4)

DeieDevice Description ( Required Position I Notes 2LRW1810L Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRWI810M Zone Ill Floor Drain 34-818 Plugged / Note 7 2LRWI8ION Zone IIIFloor Drain 34-818 Plugged!/ Note 7 2LRWI81lOR Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRWI81OS Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRWI703A Zone II Floor Drain 34-799 Plugged!/ Note 7 2LRW1615A Zone II Floor Drain 34-779 Plugged!/ Note 7F 2LRWI1OOA Zone II Floor Drain 34-670 Plugged!/ Note 7 2LRWIIOOB Zone II Floor Drain 34-670 Plugged!/ Note 7 2LRWI1OOC Zone II Floor Drain 34-670 Plugged!I Note 7 2LRWIIO0D Zone II Floor Drain 34-670 Plugged!/ Note 7 2LRWIIOOE Zone II Floor Drain 34-870 Plugged!/ Note 7I 2LRWlIOOF Zone II Floor Drain 34-670 Plugged!/ Note 7 2LRWI1OOG Zone II Floor Drain 34-670 Plugged!/ Note 7 SUSQUEHANNA - UNIT I1SIB36bbRvso TS / B 3.6-100b Revision 4

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 4 of 4)

Note 1: The two blind flanges on the SDHR penetrations (blind flanges for device number X-29-2-44 and X-29-2-.45) and all the closed manual valves for the SDHR system (110176, 110186, 110180, 110181,110182, 110187, 210186, 210187, 210191,210192, 210193) can each be considered as a separate secondary containment isolation device for the SDHR penetrations. If one or both of the blind flanges is removed and all the above identified manual valves for the SDHR system are closed, the appropriate LCO should be entered for one inoperable SCIV in a penetration flow path with two SCIVs. With the blind flange removed, the manual valves could be opened intermittently under administrative controls per the Technical Specification Note. When both SDHR blind flanges are installed, opening of the manual valves for the SDHR system will be controlled to prevent cross connecting ventilation zones. When the manual valves for the SDHR system are open in this condition, the appropriate LCO should be entered for one inoperable SCIV in a penetration flow path with two SCIVs. When the SDHR system piping is connected and full of water, the piping forms the secondary containment boundary and the above listed SClVs in Table B3.6.4.2-2 are no longer required for this system since the piping forms the barrier.

Note 2: Due to the multiple alignments of the RBCW temporary chiller, different devices will perform the SCIV function depending on the RBCW configuration. There are three devices/equipment that can perform the SCIV function for the RBCW temporary chiller supply penetration. The first SCIV for the RBCW temporary chiller supply penetration is the installed blind flange on penetration X(-29-2-47. The second SCIV for the RBCW temporary chiller supply penetration is isolation valve 187389. The third SCIV for the temporary RBCW chiller supply penetration is closed drain valve 187390 and an installed blind flange on penetrations X-29-5-92 and X-29-5-96. Since there are effectively three SClVs, any two can be used to satisfy the SCIV requirements for the penetration. Removal of one of the two required SCIVs requires entry into the appropriate LCO for one inoperable SCIV in a penetration flow path with two SCIVs. Opening of drain valve 187390 and operation of blank flanges X-29-5-96 and X-29-5-92 will be controlled to prevent cross connecting ventilation zones. These three SCIVs prevent air leakage. The isolation of the penetration per the Technical Specification requirement is to assure that one of the above SCIVs is closed so that there is no air leakage.

There are three devices/equipment that can perform the SCiV function for the RBCW temporary chiller return penetration. The first SCIV for the RBCW temporary chiller retumn penetration is the installed blind flange on penetration X-29-2-46. The second SClV for the RBCW temporary chiller return penetration is isolation valve 187388. The third SCIV for the temporary R BCW chiller return penetration is closed drain valve 187391 and an installed blind flange on penetrations X-29-5-91 and X-29-5-95. Since there are effectively three SCIVs, any two can be used to define the SCIV for the penetration. Removal of one of the two required SCIVs requires entry into the appropriate LCO for one inoperable SCIV in a penetration flow path with two SCIVs. Opening of drain valve 187391 and operation of blank flanges X-29-5-91 and X-29-5-95 will be controlled to prevent cross connecting ventilation zones. These three SCIVs prevent air leakage. The isolation of the penetration per the Technical Specification requirement is to assure that one of the above SCIVs is closed so that there is no air leakage.

When the RBCW temporary chiller piping is connected and full of water, the piping inside secondary containment forms the secondary containment boundary and the above listed SCIVs in Table 83.6.4.2-2 are no longer required for this system.

Note 3: These penetrations connect Secondary Containment Zone I to a No-Zone. When Secondary Containment Zone I is isolated from the recirculation plenum, the above listed SCIVs in Table B3.6.4.2-2 are no longer required.

Note 4: These penetrations connect Secondary Containment Zone IIto a No-Zone. When Secondary Containment Zone Ilis isolated from the recirculation plenum, the above listed SCIVs in Table B3.6.4.2-2 are no longer required.

Note 5: These penetrations connect the Railroad Bay to a No-Zone. When the Railroad Bay is a No-Zone, the above listed SCIVs in Table 83.6.4.2-2 are no longer required.

Note 6: These penetrations connect Secondary Containment Zone Ito the Railroad Bay. The above listed SCIVs in Table B3.6.4.2-2 are not required ifthe Railroad Bay is a No-Zone and Zone I is isolated from the recirculation plenum OR if the Railroad Bay is aligned to Zone I.

Note 7: Due to a drain header containing multiple floor drains in different ventilation zones, drain plugs were installed in all of the drain header floor drains. To provide the passive Secondary Containment boundary only drain plugs in one ventilation zone are required to be installed.

SUSQUEHANNA - UNIT I1S/B36IOCRvso TS / B 3.6-100c Revision 0

Feb. 03, 2016 Page 1 of 2 MANUAL HARD COPY DISTRIBUTION DOCUMENT TRANSMITTAL 2016-4054 USER INFORMATION:

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THE FOLLOWING CHANGES HAVE OCCURRED TO THE HARDCOPY OR ELECTRONIC MANUAL ASSIGNED TO YOU. HARDCOPY USERS MUST ENSURE THE DOCUMENTS PROVIDED MATCH THE INFORMATION ON THIS TRANSMITTAL. WHEN REPLACING THIS MATERIAL IN YOUR HARDCOPY MANUAL, ENSURE THE UPDATE DOCUMENT ID IS THE SAME DOCUMENT ID YOU'RE REMOVING FROM YOUR MANUAL. TOOLS FROM THE HUMAN PERFORMANCE TOOL BAG SHOULD BE UTILIZED TO ELIMINATE THE CHANCE OF ERRORS.

ATTENTION: "REPLACE" directions do not affect the Table of Contents, Therefore no TOC will be issued with the updated material.

TSB2 - TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL REMOVE MIANUAL TABLE OF CONTENTS DATE: 11/04/2015 ADD MANUAL TABLE OF CONTENTS DATE: 02/02/2016 CATEGORY: DOCUMENTS TYPE: TSB2

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SSES MANUAL Manual Name: TSB2 Manual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL Table Of Contents Issue Date: 02/02/2016 Procedure Name Rev Issue Date Change ID Change Number TEXT LOES 126 02/02/2 016 Title: LIST OF EFFECTIVE SECTIONS TEXT TOC 22 07/02/2014 Title: TABLE OF CONTENTS TEXT 2.1.1 5 01/22 /2 015 Title: SAFETY LIMITS (SLS) REACTOR CORE SLS TEXT 2.1.2 1 10/04/2007 Title: SAFETY LIMITS (SLS) REACTOR COOLANT SYSTEM (RCS) PRESSURE SL TEXT 3.0 3 08/20/2009 Title: LIMITING CONDITION FOR OPERATION (LC0) APPLICABILITY TEXT 3.1.1 1 03/24/2 005 Title: REACTIVITY CONTROL SYSTEMS SHUTDOWN MARGIN (SDM)

TEXT 3.1.2 0 11/18/2002 Title: REACTIVITY CONTROL SYSTEMS REACTIVITY ANOMALIES TEXT 3.1.3 2 01/19/2 009 Title: REACTIVITY CONTROL SYSTEMS CONTROL ROD OPERABILITY TEXT 3.1.4 4 01/30/2009 Title: REACTIVITY CONTROL SYSTEMS CONTROL ROD SCRAM TIMES TEXT 3.1.5 1 07/06/2005 Title: REACTIVITY CONTROL SYSTEMS CONTROL ROD SCRAM ACCUMULATORS TEXT 3.1.6 3 02 /24/2 014 Title: REACTIVITY CONTROL SYSTEMS ROD PATTERN CONTROL Report Date: 02/03/16 Page~

Page ! of of 8 Report Date: 02/03/16

SSES MA.NUAL Manual Name: TSB2

  • Manual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL TEXT 3.1.7 3 10/04/2007 Title: REACTIVITY CONTROL SYSTEMS STANDBY LIQUID CONTROL (SLC) SYSTEM TEXT 3.1.8 3 05/06/2009 Title: REACTIVITY CONTROL SYSTEMS SCRAM DISCHARGE VOLUME (SDV) VENT AND DRAIN VALVES TEXT 3.2.1 4 05/06/2009 Title: POWER DISTRIBUTION LIMITS AVERAGE PLANAR LINEAR HEAT GENERATION RATE (APLHGR)

TEXT 3.2.2 3 05/06/2009 Title: POWER DISTRIBUTION LIMITS MINIMUM CRITICAL POWER RATIO (MCPR)

TEXT 3.2.3 2 05/06/2009 Title: POWER DISTRIBUTION LIMITS LINEAR HEAT GENERATION RATE LHGR TEXT 3.3.1.1 5 02/24/2014 Title: INSTRUMENTATION REACTOR PROTECTION SYSTEM (RPS) INSTRUMENTATION TEXT 3.3.1.2 2 01/19/2009 Title: INSTRUMENTATION SOURCE RANGE MONITOR (SRM) INSTRUMENTATION TEXT 3.3.2.1 3 02/24/2014 Title: INSTRUMENTATION CONTROL ROD BLOCK INSTRUMENTATION TEXT 3.3.2.2 2 02/22/2012 Title: INSTRUMENTATION FEEDWATER - MAIN TURBINE HIGH WATER LEVEL TRIP INSTRUMENTATION TEXT 3.3.3.1 8 02/28/2013 Title: INSTRUMENTATION POST ACCIDENT MONITORING (PAM) INSTRUMENTATION TEXT 3.3.3.2 1 04/18/2005 Title: INSTRUMENTATION REMOTE SHUTDOWN SYSTEM 1 05/06/2009 TEXT 3.3.4.1 iiii Title: INSTRUMENTATION END OF CYCLE RECIRCULATION PUMP TRIP (EOC-RPT) INSTRUMENTATION W Page ! of Report Date: 02/03/16

SSES MANUAL Manual Name: TSB2 Manual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL TEXT 3.3.4.2 0 11/18/2002 Title: INSTRUMENTATION ANTICIPATED TRANSIENT WITHOUT SCRAM RECIRCULATION PUMP TRIP (ATWS-RPT) INSTRUMENTATION TEXT 3.3.5.1 5 02/24/2014 Title: INSTRU-MENTATION EMERGENCY CORE COOLING SYSTEM (ECCE) INSTRUMENTATION TEXT 3.3.5.2 0 11/18/2002 Title: INSTRUMENTATION REACTOR CORE ISOLATION COOLING (RCIC) SYSTEM INSTRUMENTATION TEXT 3.3.6.1 7 03/31/2014 Title: INSTRUMENTATION PRIMARY CONTAINMENT ISOLATION INSTRUMENTATION TEXT 3.3.6.2 4 09/01/2010 Title: INSTRUMENTATION SECONDARY CONTAINMENT ISOLATION INSTRUMENTATION TEXT 3.3.7.1 2 10/27/2008 Title: INSTRUMENTATION CONTROL ROOM EMERGENCY OUTSIDE AIR SUPPLY (CREOAS) SYSTEM INSTRUMENTATION TEXT 3.3.8.1 3 12/17/2007 Title: INSTRUMENTATION LOSS OF POWER (LOP) INSTRUMENTATION TEXT 3.3.8.2 0 11/18/2002 Title: INSTRUMENTATION REACTOR PROTECTION SYSTEM (RPS) ELECTRIC POWER MONITORING TEXT 3.4.1 4 07/20/2010 Title: REACTOR COOLANT SYSTEM (RCS) RECIRCULATION LOOPS OPERATING TEXT 3.4.2 3 10/23/2013 Title: REACTOR COOLANT SYSTEM (RCS) JET PUMPS TEXT 3.4.3 3 01/13/2012 Title: REACTOR COOLANT SYSTEM (RCS) SAFETY/RELIEF VALVES (S/RVS)

TEXT 3.4.4 0 11/18/2002 Title: REACTOR COOLANT SYSTEM (RCS) RCS OPERATIONAL LEAKAGE Report Date: 02/03/16 PageZ Page 3 of of 8 Report Date: 02/03/16

  • SES MANUAL Manual Name: TSB2 anual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MA~NUAL N<[

S TEXT 3.4.5 3 03/10/2010 Title: REACTOR COOLANT SYSTEM (RCS) RCS PRESSURE ISOLATION VALVE (Ply) LEAKAGE TEXT 3.4.6 4 02/19/2014 Title: REACTOR COOLANT SYSTEM (RCS) RCS LEAKAGE DETECTION INSTRUMENTATION TEXT 3.4.7 2 10/ 04/2 007 Title: REACTOR COOLANT SYSTEM (RCS) RCS SPECIFIC ACTIVITY TEXT 3.4.8 2 03 /28/2 013 Title: REACTOR COOLANT SYSTEM (RCS) RESIDUAL HEAT REMOVAL (RER) SHUTDOWN COOLING SYSTEM

- HOT SHUTDOWN TEXT 3.4.9 03/28/2013 Title: REACTOR COOLANT SYSTEM (RCS) RESIDUAL HEAT REMOVAL (RHR) SHUTDOWN COOLING SYSTEM

- COLD SHUTDOWN TEXT 3.4.10 4 11/04/2015 Title: REACTOR COOLANT SYSTEM (RCS) RCS PRESSURE AND TEMPERATURE (P/T) LIMITS TEXT 3.4.11 0 11/18/2002 Title: REACTOR COOLANT SYSTEM (RCS) REACTOR STEAM DOME PRESSURE TEXT 3.5.1 4 07/16/2014 Title: EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC)

SYSTEM ECCS - OPERATING TEXT 3.5.2 2 11/04/2015 Title: EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC)

SYSTEM ECCS - SHUTDOWN TEXT 3.5.3 3 02/24/2014 Title: EMERGENCY CORE COOLING SYSTEMS (ECCS) AND REACTOR CORE ISOLATION COOLING (RCIC)

SYSTEM RCIC SYSTEM TEXT 3.6.1.1 5 02/24/2014 Title: PRIMARY CONTAINMENT TEXT 3.6.1.2 1 05/06/2009 i* Title:* CONTAINMENT SYSTEMS PRIMARY CONTAINMENT AIR LOCK Report Date: 02/03/16 Page4 Page 4 of of 88 Report Date: 02/03/16

~S*E MANUJAL M/anual Name: TSB2 nzual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL Ma.

TEXT 3.6.1.3 14 07/02/2014 Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT ISOLATION VALVES (PCIVS)

TEXT 3.6.1.4 1 05/06/2009 Title: CONTAINMENT SYSTEMS CONTAINMENT PRESSURE TEXT 3.6.1.5 1 10/05/2005 Title: CONTAINMENT SYSTEMS DRYWELL AIR TEMPERATURE TEXT 3.6.1.6 0 11/18/2002 Title: CONTAINMENT SYSTEMS SUPPRESSION CHAMBER-TO-DRYWELL VACUUM BREAKERS TEXT 3.6.2.1 2 12/17/2007 Title: CONTAINMENT SYSTEMS SUPPRESSION POOL AVERAGE TEMPERATURE TEXT 3.6.2.2 0 11/18/2002 Title: CONTAINMENT SYSTEMS SUPPRESSION POOL WATER LEVEL TEXT 3.6.2.3 1 01/16/2006 Title: CONTAINMENT SYSTEMS RESIDUAL HEAT REMOVAL (RER) SUPPRESSION POOL COOLING TEXT 3.6.2.4 0 11/18/2002 Title: CONTAINMENT SYSTEMS RESIDUAL HEAT REMOVAL (RER) SUPPRESSION POOL SPRAY TEXT 3.6.3.1 2 06/13/2006 Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT HYDROGEN RECOMBINERS TEXT 3.6.3.2 1 04/18/2005 Title: CONTAINMENT SYSTEMS DRYWELL AIR FLOW SYSTEM TEXT 3.6.3.3 1 02/28/2013 Title: CONTAINMENT SYSTEMS PRIMARY CONTAINMENT OXYGEN CONCENTRATION TEXT 3.6.4.1 12 11/04/2015 Title: CONTAINMENT SYSTEMS SECONDARY CONTAINMENT Report Date: 02/03/16 Page5.

Page 5 of of 8 Report Date: 02/03/16

-gSES MANUTAL Maual Name: TSB2

-... Maual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL S TEXT 3.6.4.2 10 02/02/2016 Title: CONTAINMENT SYSTEMS SECONDARY CONTAINMENT ISOLATION VALVES (SCIVS)

TEXT 3.6.4.3 4 09/21/2006 Titles CONTAINMENT SYSTEMS STANDBY GAS TREATMENT (SGT) SYSTEM TEXT 3.7.1 5 04/27/2012 Title: PLANT SYSTEMS RESIDUAL HEAT REMOVAL SERVICE WATER (RHRSW) SYSTEM AND THE ULTIMATE HEAT SINK (U-ES)

TEXT 3.7.2 2 05/02/2008 Title: PLANT SYSTEMS EMERGENCY SERVICE WATER (ESW) SYSTEM TEXT 3.7.3 1 01/08/2010 Title: PLANT SYSTEMS CONTROL ROOM EMERGENCY OUTSIDE AIR SUPPLY (CREOAS) SYSTEM TEXT 3.7.4 0 11/18/2002 Title: PLANT SYSTEMS CONTROL ROOM FLOOR COOLING SYSTEM TEXT 3.7.5 1 10/04/2007 Title: PLANT SYSTEMS MAIN CONDENSER OFFGAS TEXT 3.7.6 3 01/25/2011 Title: PLANT SYSTEMS MAIN TURBINE BYPASS SYSTEM TEXT 3.7.7 1 10/04/2007 Title: PLANT SYSTEMS SPENT FUEL STORAGE POOL WATER LEVEL TEXT 3.7.8 0 05/06/2009 Title: MAINE TURBINE PRESSURE REGULATION SYSTEM TEXT 3.8.1 9 02/24/2014 Title: ELECTRICAL POWER SYSTEMS AC SOURCES - OPERATING TEXT 3.8.2 0 11/18/2002

!: Title: ELECTRICAL POWER SYSTEMS AC SOURCES - SHUTDOWN Report Date: 02/03/16 Page 6 Pages of of 8 Report Date: 02/03/16

SSE* MANUAL

. i:

anual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL Mi>

Manual Name: TSB2 TEXT 3.8.3 4 10/23/2 013 Title: ELECTRICAL POWER SYSTEMS DIESEL FUEL OIL LUBE OIL AND STARTING AIR TEXT 3.8.4 3 01/19/2009 Title: ELECTRICAL POWER SYSTEMS DC SOURCES - OPERATING TEXT 3.8.5 1 12 /14/2 006 Title: ELECTRICAL POWER SYSTEMS DC SOURCES - SHUTDOWN TEXT 3.8.6 1 12/14/2006 Title: ELECTRICAL POWER SYSTEMS BATTERY CELL PARAMNETERS TEXT 3.8.7 4 10/05/2005 Title: ELECTRICAL POWER SYSTEMS DISTRIBUTION SYSTEMS - OPERATING TEXT 3.8.8 0 11/18/2002 Title: ELECTRICAL POWER SYSTEMS DISTRIBUTION SYSTEMS - SHUTDOWN TEXT 3.9.1 0 11/18/2002 Title: REFUELING OPERATIONS REFUELING EQUIPMENT INTERLOCKS TEXT 3.9.2 1 09/01/2010 Title: REFUELING OPERATIONS REFUEL POSITION ONE-ROD-OUT INTERLOCK TEXT 3.9.3 0 11/18/2002 Title: REFUELING OPERATIONS CONTROL ROD POSITION TEXT 3.9.4 0' 11/18/2002 Title: REFUELING OPERATIONS CONTROL ROD POSITION INDICATION TEXT 3.9.5 0 11/18/2002 Title: REFUELING OPERATIONS CONTROL ROD OPERABILITY - REFUELING TEXT 3.9.6 1 10/04/2007 Title: REFUELING OPERATIONS REACTOR PRESSURE VESSEL (RPV) WATER LEVEL Report Date: 02/03/16 Pagel of 8 Report Date: 02/03/16 Page

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~SE* MANT-AAJ Maznual Name: TSB2 Manual Title: TECHNICAL SPECIFICATIONS BASES UNIT 2 MANUAL TEXT 3.9.7 0 11/18/2002 Title: REFUELING OPERATIONS RESIDUAL HEAT REMOVAL (RHR) - HIGH WATER LEVEL TEXT 3.9.8 0 11/18/2002 Title: REFUELING OPERATIONS RESIDUAL HEAT REMOVAL (RHR) - LOW WATER LEVEL TEXT 3.10.1 1 01/23/2008 Title: SPECIAL OPERATIONS INSERVICE LEAK AND HYDROSTATIC TESTING OPERATION TEXT 3.10.2 0 11/18/2002 Title: SPECIAL OPERATIONS REACTOR MODE SWITCH INTERLOCK TESTING TEXT 3.10.3 0 11/18/2002 Title: SPECIAL OPERATIONS SINGLE CONTROL ROD WITHDRAWAL - HOT SHUTDOWN TEXT 3.10.4 0 11/18/2002 Title: SPECIAL OPERATIONS SINGLE CONTROL ROD WITHDRAWAL - COLD SHUTDOWN TEXT 3.10.5 0 11/18/2002 Title: SPECIAL OPERATIONS SINGLE CONTROL ROD DRIVE (CRD) REMOVAL - REFUELING TEXT 3.10.6 0 11/18/2002 Title: SPECIAL OPERATIONS MULTIPLE CONTROL ROD WITHDRAWAL - REFUELING TEXT 3.10.7 1 03/24/2005 Title: SPECIAL OPERATIONS CONTROL ROD TESTING - OPERATING TEXT 3.10.8 2 04/09/2007 Title: SPECIAL OPERATIONS SHUTDOWN MARGIN (SDM) TEST - REFUELING Report Date: 02/03/16 PageS of 8 Page 8 of Report Date: 02/03/16

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision TOO Table of Contents 22 B 2.0 SAFETY LIMITS BASES Page TS /B 2.0-1 2 Pages TS / B 2.0-2 and TS I B 2.0-3 5 Page TS /B 2.0-4 7 Pages TS / B 2.0-5 through TS I B 2.0-8 1 B 3.0 LCO AND SR APPLICABILITY BASES Page TS I B 3.0-1 1 Pages TS I B 3.0-2 through TS I B 3.0-4 0 Pages TS I B 3.0-5 through TS I B 3.0-7 1 Page TS I B 3.0-8 3 Pages TS I B 3.0-9 through Page TS I B 3.-12 Page TS / B 3.0-1lla 0 Page TS I B 3.0-121 Pages TS I B 3.0-13 through TS I B 3.0-1*5 2 Pages TSI/B3.0-16 and TSI/B3. 0 B 3.1 REACTIVITY CONTROL BASE

  • PagespaeT B 3.1- Through-B3.5 Page-TSBIB33.1-50 Pages TS / B3.1-6 a .2 Pages B 3.1-8 tho 0 Page TS /B 3.1 0 PageTSB 16 1 Pages through TS / B 3.1-19 0 Pa . and TSI/B 3.1-21I 3.1-24 0 a B3.1-25 through TS /B 3.1-27 1 ages TS I B 3.1-30 through TS I B 3.1-33 0 Pages TS / B 3.1.34 through TS I B 3.1-36 1 Page TS I B 3.1-38 3 Pages TS I B 3.1-39 and TS I B 3.1-40 2 Page TS I B 3.1-40a 0 Page TS I B 3.1-41 1 Page TS I B 3.1-42 2 Revision 126 TSIB LOES-1 SUSQUEHANNA - UNIT

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UNIT 22 TS / B LOES-1 Revision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Pages TS / B 3.1-43 1 Page TS / B 3.1-44 0 Page TS / B 3.1-45 3 Page TS / B 3.1-46. through TS / B 3.1-49 1 Page TS / B 3.1-50 0 Page TS / B 3.1-51 3 B 3.2 POWER DISTRIBUTION LIMITS BASES Pages TS / B 3.2-1 and TS / B 3.2-2 2 Page TS /B 3.2-3 4 Page TS / B3.2-4 1 Page TS / B 3.2-5 3 Page TS / B 3.2-6 4 Page TS / B 3.2-7 3 Pages TS / B 3.2-8 and TS / B 3.2-9 4 Pages TS / B 3.2-10 through TS / B 3.2-12 2 Page TS / B 3.2-13 .1 B] 3.3 INSTRUMENTATION Pages TS / B 3.3-1 through TS / B 3.3-4 1 Page TSI/B 3.3-5 2 Page TS / B 3.3-6 1 Page TS / B] 3.3-7 3 Page TSI/B]3.3-8 4 Pages TS / B 3.3-9 through TS / B] 3.3-13 3 Page TS / B] 3.3-14 4 Pages TS / B 3.3-15 and TS / B] 3.3-16 2 Pages TS / B] 3.3-17 through TS / B] 3.3-21 3 Pages TS / B] 3.3-22 through TS / B] 3.3-27 2 Page TS / B] 3.3-28 3 Page TS / B] 3.3-29 4 Pages TS / B] 3.3-30 and TS / B 3.3-31 3 Pages TS / B] 3.3-32 and TS / B 3.3-33 4 Page TS / B] 3.3-34 2 Pages TS / B] 3.3-34a and TS / B] 3.3-34b 1 Pages TS / B] 3.3.34c and TS / B] 3.3-34d 0 Page TS / B] 3.3-34e 1 Pages TS / B] 3.3-34f through TS / B] 3.3-34i 0 Pages TS / B] 3.3-35 and TS ./[B 3.3-36 2 Pages TS / B] 3.3-37 and TS / B] 3.3-38 1 Revision 126 UNIT 2 TS/BLOES-2 SUSQUEHANNA SUSQUEHANNA-UNIT2

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TS / B LOES-2 Revision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Page TS /B 3.3-39 2 Pages TS / B 3.3-40 through TS / B 3.3-43 1 Pages TS I B 3.3-44 through TS / B 3.3-54 3 Pages TS / B 3.3-54a through TS I B 3.3-54d 0 Page TS I B 3.3.54e 1 Page TSI/B 3.3-55 2 Page TS I B 3.3-56 0 Page TS / B 3.3-57 1 Page TIS I B 3.3-58 0 Page TS I B 3.3-59 1 Page TS / B 3.3-60 0 Page TS I B 3.3-61 1 Pages TS / B 3.3-62 and TS / B 3.3-63 0 Pages TS / B 3.3-64 and TS / B 3.3-65 2 Page TS / B3.3-66 4 Page TS / B 3.3-67 3 Page TS /B 3.3-68 4 Page TS / B 3.3.69 5 Page TS / B 3.3-70 4 Page TS / B 3.3-71 3 Pages TS I B 3.3-72 and TS / B 3.3-73 2 Page TS / B 3.3-74 3 Page TS /B 3.3-75 2 Pages TS / B 3.3-75a through TS I B 3.3-75c 6 Pages TS / B 3.3-76 and TS I B 3.3-77 0 Page TS / B 3.3-78 1 Pages TS / B 3.3-79 through TS I B 3.3-81 0 Page TS I B 3.3-82 1 Page TS I B 3.3-83 0 Pages TS / B 3.3-84 and TS / B 3.3-85 1 Page TS / B3.3-86 0

.Page TS I B 3.3-87 1 Page TSI/B 3.3-88 0 Page TS / B 3.3-89 1 Pages TS / B 3.3-90 and TS / B 3.3-91 0 Pages TS / B 3.3-92 through TS / B 3.3-103 1 Page TS / B 3.3-104 3 Pages TS / B 3.3-105 and TS/ B 3.3-106 1 Page TS I B 3.3-107 2 Page TS / B 3.3-108 1 Page TS I B 3.3-109 2 Pages TS / B3.3-110 through TSIB 3.3-112 1 Page TS / B 3.3-113 2 Revision 126 TSIBLOES-3 SUSQUEHANNA UNIT 2 SUSQUEHANNA-UNIT2

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TS / B LOES-3 Revision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Page TS / B 3.3-114 1 Page TS / B 3.3-115 2 Page TS /B 3.3-116 3 Pages TS / B 3.3-117 and TS/ B 3.3-118 2 Page TS / B 3.3-119 1 Page TS / B 3.3-120 2 Pages TS / B 3.3-121 and TS / B 3.3-122 3 Page TS I B 3.3-123 1 Page TS / B 3.3-124 2 Page TS I B 3.3-124a 0 Page TS / B 3.3-125 1 Page TS / B 3.3-126 2 Page TS I B 3.3-127 3 Page TS / B 3.3-128 2 Pages TS / B 3.3-129 through TS I B 3.3-131 1 Page TS I B 3.3-132 2 Pages TS I B 3.3-133 and TS/IB 3.3-134 1 Pages TS / B 3.3-135 through TS I B 3.3-137 0 Page TS I B 3.3-138 1 Pages TS / B 3.3-139 through TS I B 3.3-146 0 Pages B 3.3-147 through B 3.3-149 0 Page TS / B 3.3-150 1 Pages TS / B 3.3-151 through TS I B 3.3-154 2 Page TS / B 3.3-155 1 Pages TS / B 3.3-156 through TS I B 3.3-158 2 Pages TS / B 3.3-159 through TS I B 3.3-162 1 Pages TS / B 3.3-163 through TS I B 3.3-1 66 2 Pages TS / B 3.3-167 and TS / B 3.3-168 1 Pages TS l B 3.3-169 and TS / B 3.3-170 3 Pages TS / B 3.3-171 through TS I B 3.3-174 1 Page TS / B 3.3-174a I Pages TSI/B 3.3-175 through TS/IB 3.3-177 1 Page TS I B 3.3-178 2 Page TS I B 3.3-179 3 Page TS / B 3.3-179a 2 Page TS / B 3.3-180 1 Page TS I B 3.3-181 3 Page TS / B 3.3-182 1 Page TS / B 3.3-183 2 Page TS / B 3.3-184 1 Page TS / B 3.3-185 4 Page TS I B 3.3-186 1 Pages TS / B 3.3-187 and TSI/B 3.3-188 2 Pages TS / B 3.3-189 through TS / B 3.3-191 1 Page TS / B 3.3-192 0 Revision 126 TS/B LOES-4 SUSQUEHANNA - UNIT SUSQUEHANNA -

UNIT 22 TS / B LOES-4 Revision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Page TS / B 3.3-193 1 Pages TS / B 3.3-194 and TS /B 3.3-195 0 Page TS / B3.3-196 2 Pages TS / B 3.3-197 through TS / B 3.3-205 0 Page TS / B] 3.3-206 1 Pages B] 3.3-207 through B] 3.3-209 0 Page TS / B] 3.3-210 1 Page TS / B] 3.3-211 2 Pages TS / B] 3.3-212 and TS / B] 3.3-213 1 Pages B] 3.3-214 through B 3.3-220 0 B] 3.4 REACTOR COOLANT SYSTEM BASES Pages TS / B 3.4-1 and TS / B] 3.4-2 2 Pages TS / B 3.4-3 through TS I B 3.4-5 4 Pages TS / B] 3.4-6 through TS / B] 3.4-9 3 Page TS / B] 3.4-10 1 Pages TS / B 3.4-11 and TS / B] 3.4-12 0 Page TS / B] 3.4-13 2 Page TS I B] 3.4-14 1 Page TS / B] 3.4-15 2 Pages TS I B] 3.4-16 and TS / B 3.4-17 4 Page TS / B] 3.4-18 2 Pages B] 3.4-19 through B 3.4-23 0 Pages TS / B] 3.4-24 through TS / B] 3.4-27 0 Page TS / [3.4-28 1 Page TS / B] 3.4-29 3 Page TS /B[3.4-30 .2 Page TS / B] 3.4-31 1 Pages TS / B] 3.4-32 and TS I B] 3.4-33 2 Page TS / B] 3.4-34 1 Page TS / B 3.4-34a 0 Pages TS / B 3.4-35 and TS / B 3.4-36 1 Page TS / B 3.4-37 2 Page B] 3.4-38 1 Pages B] 3.4-39 and B] 3.4-40 0 Page TS / B] 3.4-41 2 Pages TS / B 3.4-42 through TSI[B 3.4-45 0 Page TS / B] 3.4.4-46 1 Pages TS I B] 3.4.4-47 and TS / B] 3.4.4-48 0 Page TS I B] 3.4-49 . 3 Pages TS / B] 3.4-50 and TS / B] 3.4-51 2 Page TS I B] 3.4-52 3 Page TS I B] 3.4-52a 0 Pages TS / B] 3.4-53 through TS / B] 3.4-56 2 Page TS /B[ 3.4-57 3 Pages TS I B] 3.4-58 through TIS / B] 3.4-60 1 SUSQUEHANNA - UNIT 2 TS / [] LOES-5 Revision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision B 3.5 ECCS AND RCIC BASES Pages TS / B 3.5-1 and TS / B 3.5-2 1 Pages TS / B 3.5-3 and TS I B 3.5-4 2 Page TS I B 3.5-5 3 Page TS /B 3.5-6 "2 Pages TS / B 3.5-7 through TS / B 3.5-10 1 Pages TS / B 3.5-11 and TS / B 3.5-12 2 Pages TS / B 3.5-13 and TS I B 3.5-14 1 Pages TS / B 3.5-15 through TS / B.3.5-17 3 Pages TS /B 3.5-18 through TS / B 3.5-21 1 Page TS I B 3.5-22 2 Page TS I B.3.5-23 1 Page B 3.5-24 0 Page TS I B 3.5-25 1 Pages TS / B 3.5-26 and TS I B 3.5-27 2 Page TS I B 3.5-28 0 Page TS I B 3.5-29 through TS / B 3.5-31 1 B 3.6 CONTAINMENT SYSTEMS BASES Page TS / B3.6-1 2 Page TS I B 3.6-la 4 Page TSI/B 3.6-2 4 Page TS I B 3.6-3 3

  • Page TS / B3.6-4 4 Page TS / B 3.6-5 3 Page TS / B 3.6-6 4 Page TS I B 3.6-6a 4 Page TS/IB 3.6-6b 3 Page TS / B 3.6-6c 0 Page B 3.6-7 0 Page TS / 3.6-8 1 Pages B 3.6-9 through B 3.6-14 0 Page TS / B 3.6-15 4 Page TS I B 3.6-15a 0 Page TS I/B 3.6-15b 3 Pages TS / B 3.6-16 and TS I B 3.6-17 3 Page TS / B 3.6-17a 1 Pages TS I B 3.6-18 and TS I B 3.6-19 1 Page TS / B 3.6-20 2 Page TS I B 3.6-21 3 Revision 126 UNIT 2 TS/B LOES-6 Revision 126 SUSQUEHANNA-UNIT2 SUSQUEHANNA -

TS / B LOES-6

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Pages TS / B 3.6-21a and TS I B 3.6-21b 0 Pages TS I B 3.6-22 and TS / B 3.6-23 2 Pages TS / B 3.6-24 and TS / B 3.6-25 1 Pages TS / B 3.6-26 and TS / B 3.6-27 3 Page TS / B3.6-28 7 Page -TS/ B 3.6-29 5 Page TS I B 3.6-29a *0 Page TS I B 3.6-30 2 Page TS / B 3.6-31 3 Pages TS / B 3.6-32 and TS I B 3.6-33 2 Page TS /B 3.6-34 1 Pages TSI/B 3.6-35 and TS / B 3.6-36 3 Page TS / B 3.6-37 2 Page TS I B 3.6-38 3 Page TS / B 3.6-39 7 Page TS / B 3.6-39a 1 Page TS / B 3.6-40 1 Pages B 3.6-41 and B 3.6-42 - 0 Pages TS I B 3.6-43 and TS / B 3.6-44 1 Page TS / B 3.6-45 2 Pages TS / B 3.6-46 through TS / B 3.6-50 1 Page TSI/B 3.6-51 2 Pages TS / B 3.6-52 through TS / B 3.6-55 0 Pages TS / B 3.6-56 and TS / B 3.6-57 2 Pages B 3.6-58 through B 3.6-62 0 Pages TS I B 3.6-63 and TS / B 3.6-64 ~1 Pages B 3.6-65 through B 3.6-68 .0 Pages TS / B 3.6-69 through TS / B 3.6-71 1 Page TS / B 3.6-72 2 Pages TS / B 3.6-73 and TS / B 3.6-74 1 Pages B 3.6-75 and B 3.6-76 0 Page TSI/B 3.6-77 1 Pages B 3.6-78 and B 3.6-79 0 Page TS I B 3.6-80 1 Pages TS / B 3.6-81 and TS / B 3.6-82 0 Page TS / B 3.6-83 4 Page TS I B 3.6-84 2 Page TS / B3.6-85 4 Pages TS / B 3.6-86 and TS / B 3.6-87 2 Page TS / B 3.6-87a 3 Page TSI/B 3.6-88 6 Page TS / B 3.6-89 4 Page TS / B 3.6-89a 0 LOES-7 Revision 126 UNIT 2 TS/B TS / B LOES-7 Revision 126 SUSQUEHANNA - UNIT

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2

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision Pages TS /8B3.6-90 and TS / B 3.6-91 3 Page TS / B 3.6-92 2

  • Pages TS / B 3.6-93 through TS / B 3.6-95 1 Page TS /8B3.6-96 2 Page TS / B3.6-97 1 Page TS I B 3.6-98 2 Page TS /8B3.6-99 8 Page TS I B 3.6-99a 6 Page TS / B 3.6-99b 4 Page TS I B 3.6-99c 0 Pages TS / B 3.6-100 and TS/ B 3.6-101 1 Pages TS / B 3.6-102 and TS/ B 3.6-103 2 Page TS /8B3.6-104 3 Page TS /8B3.6-105 2 Page TS /8B3.6-106 3 B 3.7 PLANT SYSTEMS BASES Page TS /8B3.7-1 3 Page TS /B 3.7-2 4 Pages TS / B 3.7-3 through TS / B 3.7-5 3 Page TS /8B 3.7-5a 2 Page TS /8B3.7-6 4 Page TS /8B 3.7-6a 3 Page TS / B 3.7-6b 2 Page TS /8B 3.7-6c 3 Page TS /8B3.7-7 3 Page TS /83.7-8 2 Pages B 3.7-9 through B 3.7-11 0 Pages TS / 8 3.7-12 and TS /8B3.7-13 2 Pages TS /8B3.7-14 through TS /8B3.7-18 3 Page TS / B 3.7-18a I Pages TS / 8 3.7-188 through TS /8B 3.7-18E 0 Pages TS / 8 3.7-19 through TS /83.7-24 1 Pages TS / B 3.7-25 and TS / B 3.7-26 0 Page TS /8B3.7-27 4 Pages TS /8B3.7-28 and TS /8B 3.7-29 3 Pages TS / B 3.7-30 and TS / B 3.7-31 1 Page TS /8B3.7-32 .0 Page TS /8B3.7-33 1 Pages TS / B 3.7-34 through TS / B 3.7-37 0 LOES-8 Revision 126 2 TS/B SUSQUEHANNA - UNIT SUSQUEHANNA -

UNIT 2 TS / B LOES-8 I*evision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS B]ASES)

Section Title Revision B 3.8 ELECTRICAL POWER SYSTEMS BASES Page TS / B 3.8-1 1 Pages B 3.8-2 and B 3.8-3 0 Page TS / B 3.8-4 1 Pages TS / B 3.8-4a and TS / B 3.8-4b 0 Pages TS / B 3.8-5 and TS / B] 3.8-6 3 Page TS / B 3.8-6a 1 Pages B 3.8-7 and B 3.8-8 0 Page TS I B 3.8-9 2 Pages TS / B 3.8-10 and TS / B 3.8-11 1 Pages B 3.8-12 through B 3.8-18 0 Page TS / B 3.8-19 1 Pages B 3.8-20 through B 3.8-22 0 Page TS I B 3.8-23 1 Page B 3.8-24 0 Pages TS / B 3.8-25 and TS I B 3.8-26 1 Pages B 3.8-27 through B 3.8-30 0 Page TS / B 3.8-31 1 Pages TS / B 3.8-32 through TS / B 3.8-35 0

  • Page TS I B 3.8-36 1 Page TS I B 3.8-37 0 Page TS / B 3.8-38 1 Pages B 3.8-39 through .B 3.8-46 0 Page TS / B 3.8-47 3 Pages TS / B 3.8-48 through TS I B 3.8-50 0 Pages TS / B 3.8-51 and TS / B 3.8-52 3 Page TS / B 3.8-531 Page TS / B 3.8-54 0 Page TS / B 3.8-55 1 Pages TS / B 3.8-56 through TS I B 3.8-59 2 Pages TS / B 3.8-60 through TS / B 3.8-64 3 Page TS / B 3.8-65 4 Page TS / B 3.8-665 Pages TS / B 3.8-67 and TS I B 3.8-68 4 Page TS / B 3.8-695 Pages TS / B 3.8-70 through TS / B 3.8-83 1 Pages TS I B 3.8-83A through TS / B 3.8-83D 0 Pages B 3.8-84 through B 3.8-85 0 Page TS / B 3.8-86 1 Page TS / B 3.8-87 2 Pages TS / B] 3.8-88 and TS / B 3.8-89 1 Page TS / B 3.8-90 2 Pages TS / B 3.8-91 through TS / B 3.8-93 1 Pages B 3.8-94 through B 3.8-99 0 Revision 126 TS/BLOES-9 SUSQUEHANNA - UNIT2 SUSQUEHANNA -

UNIT 2 TS / B LOES-9 Revision 126

SUSQUEHANNA STEAM ELECTRIC STATION LIST OF EFFECTIVE SECTIONS (TECHNICAL SPECIFICATIONS BASES)

Section Title Revision B 3.9 REFUELING OPERATIONS BASES Pages TS / B 3.9-1 and TS I B 3.9-2 1 Page TS / B3.9-2a 1 Pages TS I B 3.9-3 through TS I B 3.9-5 1 Pages TS I B 3.9-6 through TS I B 3.9-8 0 Pages B 3.9-9 through B 3.9-18 0 Pages TSI/B 3.9-19 through TS / B 3.9-21 1 Pages B 3.9-22 through B 3.9-30 0 B 3.10 SPECIAL OPERATIONS BASES Page TS / B3.10-1 2 Pages TS / B 3.10-2 through TS / B 3.10-5 1 Pages B 3.10-6 through B 3.10-32 0 Page TS / B 3.10-33 2 Page B 3.10-34 0 Page TS / B 3.10-35 1 Pages B 3.10-36 and B 3.10-37 0 Page TS / B 3.10-38 1 Page TS / B3.10-39 2 Revision 126 TS I B LOES-lO

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UNIT 22 SUSQUEHANNA - UNIT TS / B LOES-10 Revision 126

Rev. 10 SCIVs B] 3.6.4.2 B] 3.6 CONTAINMENT SYSTEMS B 3.6.4.2 Secondary Containment Isolation Valves (SC!IVs)

BASES BACKGROUND The function of the SCIVs, in combination with other accident mitigation systems, is to limit fission product release during and following postulated Design Basis Accidents (DBAs) (Ref. 1). Secondary containment isolation within the time limits sPecified for those isolation valves designed to close automatically ensures that fission products that leak from primary containment into secondary containment following a DBA, or that are released during certain operations when primary containment is not required to be OPERABLE or take place outside primary containment, are maintained within the secondary containment boundary.

The OPERABILITY requirements for SCIVs help ensure that an adequate secondary containment boundary is maintained during and after an accident by minimizing potential paths to the environment. These isolation devices consist of either passive devices or active (automatic) devices. Manual valves or dampers, de-activated automatic valves or dampers secured in their closed position (including check valves with flow through the valve secured), and blind flanges are considered passive devices.

Automatic SCIVs close on a secondary containment isolation signal to establish a boundary for untreated radioactive material within secondary containment following a DBA or other accidents.

Other non-sealed penetrations which cross a secondary containment boundary are isolated by the use of valves in the closed position or blind flanges.

APPLICABLE The SCIVs must be OPERABLE to ensure the secondary containment SAFETY barrier to fission product releases is established. The principal accidents for ANALYSES which the secondary containment boundary is required are a loss of coolant accident (Ref. 1) and a fuel handling accident inside secondary containment (Ref. 2). The secondary containment performs no active function in response to either of these limiting events, but the boundary (continued)

SUSQUEHANNA - UNIT 2TSB3.-0Rvso3 TS / [] 3.6-90 Revision 3

Rev. 10 SC!IVs B 3.6.4.2 BASES APPLICABLE established by SCIVs is required to ensure that leakage from the primary SAFETY containment is processed by the Standby Gas Treatment (SGT) System ANALYSES before being released to the environment.

(continued)

Maintaining SCI Vs OPERABLE with isolation times within limits ensures that fission products will remain trapped inside secondary containment so that they can be treated by the SGT System prior to discharge .to the environment.

SCI Vs satisfy Criterion 3 of the NRC Policy Statement (Ref. 3).

LCO SClVs that form a part of the secondary containment boundary are required to be OPERABLE. Depending on the configuration of the secondary containment only specific SCI Vs are required. The SCIV safety function is related to control of offsite radiation releases resulting from DBAs.

The automatic isolation valves are considered OPERABLE when their isolation times are within limits and the valves actuate on an automatic isolation signal. The valves covered by this LCO, along with their associated stroke times, are listed in Table B 3.6.4.2-1.

The normally closed isolation valves or blind flanges are considered OPERABLE when manual valves are closed or open in accordance with appropriate administrative controls, automatic SCIVs are deactivated and secured in their closed position, or blind flanges are in place. These passive isolation valves or devices are listed in Table B3.6.4.2-2. Penetrations closed with sealants are considered part of the secondary containment boundary and are not considered penetration flow paths.

Certain plant piping systems (e.g., Service Water, RHR Service Water, Emergency Service Water, Feedwater, etc.) penetrate the secondary containment boundary. The intact piping within secondary containment provides a passive barrier which maintains secondary containment requirements. When the SDHR and temporary chiller system piping is connected and full of water, the piping forms the secondary containment boundary and the passive devices in TS Bases Table B3.6.4.2-2 are no longer required for these systems since the piping forms the barrier. During certain plant evolutions, piping systems may be drained and breached within secondary containment. During the pipe breach, system isolation valves can be used to provide secondary containment isolation. The isolation valve alignment will be controlled when the piping system is breached.

(continued)

SUSQUEHANNA -UNIT 2 TS/B6-1Rvso3

/ B 3.6-91 Revision 3

Rev. 10 SCIVs B 3.6.4.2 BASES (continued)

APPLICABILITY In MODES 1, 2, and 3, a DBA could lead to a fission product release to the primary containment that leaks to the secondary containment. Therefore, the OPERABILITY of SClVs is required.

In MODES 4 and 5, the probability and consequences of these events are reduced due to pressure and temperature limitations in these MODES.

Therefore, maintaining SCIVs OPERABLE is not required in MODE 4 or 5, except for other situations under which significant radioactive releases can be postulated, such as during operations with a potential for draining the reactor vessel (OPDRVs), during CORE ALTERATIONS, or during movement of irradiated fuel assemblies in the secondary containment.

Moving irradiated fuel assemblies in the secondary containment may also occur in MODES 1, 2, and 3.

ACTIONS The ACTIONS are modified by three Notes. The first Note allows penetration flow paths to be unisolated intermittently under administrative controls. These controls consist of stationing a dedicated operator, who is in continuous communication with the control room, at the controls of the isolation device. In this way, the penetration can be rapidly isolated when a need for secondary containment isolation is indicated.

The second Note provides clarification that for the purpose of this LCO separate Condition entry is allowed for each penetration flow path. This is acceptable, since the Required Actions for each Condition provide appropriate compensatory actions for each inoperable SCIV. Complying with the Required Actions may allow for continued operation, and subsequent inoperable SCIVs are governed by subsequent Condition entry and application of associated Required Actions.

The third Note ensures appropriate remedial actions are taken, if necessary, if the affected system(s) are rendered inoperable by an inoperable SCIV.

A.1 and A.2 In the event that there are one or more required penetration flow paths with one required SCIV inoperable, the affected penetration flow path(s) must be isolated. The method of isolation must include the use of at least one isolation barrier that cannot be adversely affected by a single active failure.

Isolation barriers that meet this criterion are a closed and de-activated automatic SCIV, a closed manual valve, and a blind flange. For penetrations isolated in (continued)

SUSQUEHANNA - UNIT 2 T / B 3.6-92 TS .- 2Rvso Revision 2

Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS A.1 and A.2 (continued) accordance with Required Action A.1, the device used to isolate the penetration should be the closest available device to secondary containment. The Required Action must be completed within the 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> Completion Time. The specified time period is reasonable considering the time required to isolate the penetration, and the probability of a DBA, which requires the SCIVs to close, occurring during this short time is very low.

For affected penetrations that have been isolated in accordance with Required Action A.1, the affected penetration must be verified to be isolated on a periodic basis. This is necessary to ensure that secondary containment penetrations required to be isolated following an accident, but no longer capable of being automatically isolated, will be in the isolation position should an event occur. The Completion Time of once per 31 days is appropriate because the valves are operated under administrative controls and the probability of their misalignment is low. This Required Action does not require any testing or device manipulation. Rather, it involves verification that the affected penetration remains isolated.

Condition A is modified by a Note indicating that this Condition is only applicable to those penetration flow paths with two SCIVs. For penetration flow paths with one SCIV, Condition C provides the appropriate Required Actions.

Required Action A.2 is modified by a Note that applies to devices located in high radiation areas and allows them to be verified closed by use of administrative controls. Allowing verification by administrative controls is considered acceptable, since access to these areas is typically restricted.

Therefore, the probability of misalignment, once they have been verified to be in the proper position, is low.

B.1I With two SCIVs in one or more penetration flow paths inoperable, the affected penetration flow path must be isolated within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />. The method of isolation must (continued)

SUSQUEHANNA - UNIT 2TSB.-3Rvso TS / B 3.6-93 Revision 1

Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS B.1 (continued) include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic valve, a closed manual valve, and a blind flange. The 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Completion Time is reasonable considering the time required to isolate the penetration and the probability of a DBA, which requires the SCIVs to close, occurring during this short time, is very low.

The Condition has been modified by a Note stating that Condition B is only applicable to penetration flow paths with two isolation valves. For penetration flow paths with one SCIV, Condition C provides the appropriate Required Actions.

C.1 and C.2 With one or more required penetration flow paths with one required SCIV inoperable, the inoperable valve must be restored to OPERABLE status or the affected penetration flow path must be'isolated. The method of isolation must include the use of at least one isolation barrier that cannot be adversely affected by a single active failure. Isolation barriers that meet this criterion are a closed and de-activated automatic valve, a closed manual valve, and a blind flange. A check valve may not be used to isolate the affected penetration. Required Action C.1 must be completed within the 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> Completion Time. The Completion Time of 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> is reasonable considering the relative stability of the system (hence, reliability) to act as a penetration isolation boundary and the relative importance of supporting secondary containment OPERABILITY during MODES 1, 2, and 3.

In the event the affected penetration flow path is isolated in accordance with Required Action C.1, the affected penetration must be verified to be isolated on a periodic basis. This is necessary to ensure that secondary containment penetrations required to be isolated following an accident are isolated.

The Completion Time of once per 31 days for verifying each affected penetration is isolated is appropriate because the (continued)

SUSQUEHANNA - UNIT 2TSB6-4RvsoITS / B 3.6-94 Revision 1

Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS C.1 and C.2 (continued) valves are operated under administrative controls and the probability of their misalignment is low.

Condition C is modified by a Note indicating that this Condition is only applicable to penetration flow paths with only one SCIV. For penetration flow paths with two SCIVs, Conditions A and B provide the appropriate Required Actions.

Required Action C.2 is modified by a Note that applies to valves and blind flanges located in high radiation areas and allows them to be verified by use of administrative means. Allowing verification by administrative means is considered acceptable, since access to these areas is typically restricted.

Therefore, the probability of misalignment of these valves, once they have been verified to be in the proper position, is low.

D.1 and D.2 If any Required Action and associated Completion Time cannot be met, the plant must be brought to a MODE in which the LCO does not apply. To achieve this status, the plant must be brought to at least MODE 3 within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and to MODE 4 within 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />. The allowed Completion Times are reasonable, based on operating experience, to reach the required plant conditions from full power conditions in an orderly manner and without challenging plant systems.

E.1. E.2, and E.3 If any Required Action and associated Completion Time are not met, the plant must be placed in a condition in which the LCO does not apply. If applicable, CORE ALTERATIONS and the movement of irradiated fuel assemblies in the secondary containment must be immediately suspended.

Suspension of these activities shall not preclude completion of movement of a component to a safe position. Also, if applicable, actions must be immediately initiated to suspend OPDRVs in order to minimize the probability of a vessel draindown and the subsequent potential for fission product release. Actions must continue until OPDRVs are suspended.

(continued)

SUSQUEHANNA -UNIT 2 TI36-5Rvso TS / B 3.6-95 Revision 1

Rev. 10 SCIVs B 3.6.4.2 BASES ACTIONS E.1, E.2, and E.3 (continued)

Required Action E.1 has been modified by a Note stating that LCO 3.0.3 is not applicable. If moving irradiated fuel assemblies while in MODE 4 or 5, LCO 3.0.3 would not specify any action. If moving fuel while in MODE 1, 2, or 3, the fuel movement is independent of reactor operations.

Therefore, in either case, inability to suspend movement of irradiated fuel

  • assemblies would not be a sufficient reason to require a reactor shutdown.

SURVEILLANCE SR 3.6.4.2.1 REQUIREMENTS This SR verifies that each secondary containment manual isolation valve and blind flange that is required to be closed during accident conditions is closed. The SR helps to ensure that post accident leakage of radioactive fluids or gases outside of the secondary containment boundary is within design limits. This SR does not require any testing or valve manipulation.

Rather, it involves verification (typically visual) that those required SCI Vs in secondary containment that are capable of being mispositioned are in the correct position.

Since these SCI Vs are readily accessible to personnel during normal operation and verification of their position is relatively easy, the 31 day Frequency was chosen to provide added assurance that the SCIVs are in the correct positions.

Two Notes have been added to this SR. The first Note applies to valves and blind flanges located in high radiation areas and allows them to be verified by use of administrative controls. Allowing verification by administrative controls is considered acceptable, since access to these areas is typically restricted during MODES 1, 2, and 3 for ALARA reasons. Therefore, the probability of misalignment of these SCIVs, once they have been verified to be in the proper position, is low.

A second Note has been included to clarify that SCIVs that are open under administrative controls are not required to meet the SR during the time the SCIVs are open.

(continued)

SUSQUEHANNA - UNIT 2 T / B 3.6-96 TS .- 6Rvso Revision 2

Rev. 10 SCIVs B 3.6.4.2 BASES SURVEILLANCE SR 3.6.4.2.2 REQUIREMENTS (continued) 301IVs with maximum isolation times specified in Table B 3.6.2.4-1 are tested every 92 days to verify that the isolation time is within limits to demonstrate OPERABILITY. Automatic SCIVs without maximum isolation times specified in Table B 3.6.4.2-1 are tested under the requirements of SR 3.6.4.2.3. The isolation time test ensures that the SCIV will isolate in a time period less than or equal to that assumed in the safety analyses.

SR 3.6.4.2.3 Verifying that each automatic required SCIV closes on a secondary containment isolation signal is required to prevent leakage of radioactive material from secondary containment following a DBA or other accidents.

This SR ensures that each automatic SCIV will actuate to the isolation position on a secondary containment isolation signal. The LOGIC SYSTEM FUNCTIONAL TEST in SR 3.3.6.2.5 overlaps this SR to provide complete testing of the safety function. The 24 month Frequency is based on the need to perform this Surveillance under the conditions that apply during a plant outage and the potential for an unplanned transient if the Surveillance were performed with the reactor at power. Operating experience has shown these components usually pass the Surveillance when performed at the 24 month Frequency. Therefore, the Frequency was concluded to be acceptable from a reliability standpoint.

REFERENCES 1. FSAR, Section 6.2.

2. FSAR, Section 15.
3. Final Policy Statement on Technical Specifications Improvements, July 22, 1993 (58 FR 39132).

SUSQUEHANNA -UNIT 2 T / B 3.6-97 TS .- 7Rvso

- Revision 1

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-1 Secondary Containment Ventilation System Automatic Isolation Dampers (Page 1 of 1)

Reactor Bulig Valve Number Valve Description IMaximurn Type of Valve Isolation Buildng ITime Zone j________________(Seconds)

I HD-1 7586 A&B Supply System Dampers Automatic Isolation Damper 10.0 n D-1 7524 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 10.0 I HD-17576A&B Unfiltered Exhaust System Automatic Isolation Damper 10.0 II HD-27586 A&B Supply System Dampers Automatic Isolation Damper 10.0 II HD-27524 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 10.0 II HD-27576 A&B Unfiltered Exhaust System Automatic Isolation Damper 10.0 IIl HD-1 7564 A&B Supply System Dampers Automatic Isolation Damper 14.0 Ill HD-1 7514 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 6.5 Ill HD-1 7502 A&B Unfiltered Exhaust System Automatic Isolation Damper 6.0 I1l HD-27564 A&B Supply System Dampers Automatic Isolation Damper 14.0 Ill HD-27514 A&B Filtered Exhaust System Dampers Automatic Isolation Damper 6.5 III HD-27502 A&B Unfiltered Exhaust System Automatic Isolation Damper 6.0 N/A HD-17534A Zone Arlok166AtmtcIoainDme /

N/A HO-1 7534B *Zone 3 Airlock 1-611 Automatic Isolation Damper N/A N/A HD-1 75340 Zone 3 Airlock 1-603 Automatic Isolation Damper N/A N/A HD-17534E Zone 3 Airlock 1-805 Automatic Isolation Damper N/A N/A HD-I17534F Zone 3 Airlock 1-617 Automatic Isolation Damper N/A N/A HD-17534H Zone 3 Airlock 1-618 Automatic Isolation Damper N/A N/A HD-17534A Zone 3 Airlock 11-606 Automatic Isolation Damper N/A N/A HD-27534D Zone 3 Airlock 11-803 Automatic Isolation Damper N/A N/A HD-27534E Zone 3 Airlock 11-805 Automatic Isolation Damper N/A N/A HD-27534G Zone 3 Airlock 11-806 Automatic Isolation Damper N/A N/A HD-27534H Zone 3 Airlock C1-186 Automatic Isolation Damper N/A N/A HD-27534H Zone 3 Airlock 11-608 Automatic Isolation Damper N/A SUSQUEHANNA - UNIT 2 T / B 3.6-98 TS .- 8Rvso Revision 2

Rev. 10 SCI Vs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 1 of 4)

Device Number jDevice Description JArea/Elev. [Required Position / Notes X-29-2-44 SDHR System to Fuel Pool Cooling Yard/670 Blind Flanged I Note 1 X-29-2-45 SDHR System to Fuel Pool Cooling Yard/670 Blind Flanged / Note 1 110176 SDHR Supply Drain Vlv 29/670 Closed Manual Iso Valve / Note 1 110186 SDHR Discharge Drain Vlv 29/670 Closed Manual iso Valve/ Note 1 110180 SDHR Supply Vent Vlv 29/749 Closed Manual Iso Valve!/ Note 1 110181 SDHR Discharge Fill Vlv 27/7/49 Closed Manual Iso Valve / Note 1 110182 SDHR Discharge Vent Vlv 27/749 Closed Manual iso Valve!/ Note 1 110187 SDHR Supply Fill Vlv 29/749 Closed Manual iso Valve / Note 1' 210186 SDHR Supply Drain Vlv 33/749 Closed Manual Iso Valve / Note 1 210187 SDHR Supply Vent Vlv 33/749 Closed Manual Iso Valve!/ Note 1 210191 SDHR Discharge Vent Vlv 30/749 Closed Manual Iso Valve!/ Note 1 210192 SDHR Discharge Drain Vlv 30/749 Closed Manual Iso Valve / Note 1 210193 SDHR Discharge Vent Vlv 33/749 Closed Manual Iso Valve / Note 1 X-29-2-46 Temporary Chiller to RBCW Yard/670 Blind Flanged!/ Note 2 X-29-2-47 Temporary Chiller to RBCW Yard/670 Blind Flanged!/ Note 2 X-29-5-95 Temporary Chiller to Unit 1 RBCW 29/749 Blind Flanged!/ Note 2 X-29-5-96 Temporary Chiller to Unit 1 RBCW 29/749 Blind Flanged!I Note 2 X-29-5-91 Temporary Chiller to Unit 2 RBCW 33/749 Blind Flanged!/ Note 2 X-29-5-92 Temporary Chiller to Unit 2 RBCW 33/749 Blind Flanged!/ Note 2 187388 RBCW Temp Chiller Discharge iso Vlv 29/670 Closed Manual iso Valve!/ Note 2 187389 RBCW Temp Chiller Supply iso Vlv 29/670 Closed Manual Iso Valve!/ Note 2 187390 RBCW Temp Chiller Supply Drain Vlv 29/670 Closed Manual Iso Valve!/ Note 2 187391 RBCW Temp Chiller Discharge Drain Vlv 29!670 Closed Manual iso Valve / Note 2 X-28-2-3000 Utility Penetration to Unit 1 East Stairwell Yard/670 Blind Flanged / Note 3 X-29-2-48 Utility Penetration to Unit 1 RR Bay Yard/670 Capped!/ Note 5 X.-33-2-3000 Utility Penetration to Unit 2 East Stairwell Yard!670 Blind Flanged f Note 4 X-28-2-3000 Utility Penetration to Unit 1 East Stairwell 28/670 Blind Flanged / Note 3 X-29-2-48 Utility Penetration to Unit 1 RR Bay 29/670 Capped!/ Note 5 X-33-2-3000 Utility Penetration to Unit 2 East Stairwell 33/670 Blind Flanged!/ Note 4 X-29-3-54 Utility Penetration to Unit I RBCCW Hx Area 27/683 BlindI Flanged I Note 6 X-29-3-55 Utility Penetration to Unit 1 RBCCW Hx Area 27/683 Blind Flanged!/ Note 6 X-29-5-97 Utility Penetration from Unit 1 RR Bay to Unit 2 33/749 Capped Elev. 749 X-27-6-92 Instrument Tubing Stubs 27/779' Capped X{-29-7-4 1" Spare Conduit Threaded Plug 29/818' Installed X-30-6-72 Instrument Tubing Stubs 30/779' Capped X-30-6-1 002 Stairwell #214 Rupture Disc 30/779' Installed Intact X-30-6-1 003 Airlock 11-609 Rupture Disc 30/779' Installed Intact X-25-6-1 008 Airlock 1-606 Rupture Disc 25/779' Installed Intact X-29-4-DI -B Penetration at Door 4330 29/719' Blind Flange Installed X-29-4-D1 -A Penetration at Door 4330 29/719' Blind Flange Installed X-29-4-D1 -B Penetration at Door 404 33/719' Blind Flange Installed X-29-4-D1 -A Penetration at Door 404 33/719' Blind Flange Installed SUSQUEHANNA- uNiT 2TSB6-9evso8 TS / B 3.6-99 Revision 8

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2.

Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 2 of 4)

Device Number HD17534C jDevice Description Airlock 1-707 Blind Flange 1Area/Elev.

28/799' Required Position / Notes Blind Flange Installed HD27534C Airlock 11-707 Blind Flange 33/799' Blind Flange Installed XD-1 7513 Isolation damper for Railroad Bay Zone Ill HVAC 29/799' Position is dependent on Railroad Supply

  • Bay alignment XD-1 7514 Isolation damper for Railroad Bay Zone I11HVAC 29/719' Position is dependent on Railroad

___________Exhaust Bay alignment XD-1 2301 PASS Air Flow Damper 11/729' Closed Damper XD-22301 PASS Air Flow Damper 22/729' Closed Damper 161827 HPCI Blowout Steam Vent Drain Valve 25/645' Closed Manual iso Valve / Note 3 161828 ROlC Blowout Steam Vent Drain Valve 28/645' Closed Manual iso Valve!/ Note 3 161829 'A' RHR Blowout Steam Vent Drain Valve 29/645' Closed Manual Iso Valve!/ Note 3 161830 'B' RH R Blowout Steam Vent Drain Valve 28/645' Closed Manual Iso Valve / Note 3 261820 RCIC Blowout Steam Vent Drain Valve 33/645' Closed Manual iso Valve!I Note 4 261821 'A' RH R Blowout Steam Vent Drain Valve 34/645' Closed Manual iso Valve!/ Note 4 261822 'B' RH R Blowout Steam Vent Drain Valve 33/645' Closed Manual Iso Valve I Note 4 2LRWI810OL Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRW1810OM Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRW181 ON Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRW181 OR Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRW1810OS Zone Ill Floor Drain 34-818 Plugged!/ Note 7 2LRWl703A Zone I1Floor Drain 34-799 Plugged ! Note 7 2LRW161 5A Zone I1Floor Drain 34-779 Plugged!/ Note 7 2LRWI10O0A Zone II Floor Drain 34-670 Plugged / Note 7 2LRWI100OB Zone II Floor Drain 34-670 Plugged!/ Note 7 2LRWI100OC Zone II Floor Drain 34-670 Plugged!/ Note 7 2LRWIl DOD Zone II Floor Drain 34-670 Plugged / Note 7 2LRWII ODE Zone 11Floor Drain 34-670 Plugged!/ Note 7 2LRWI100F Zone II Floor Drain 34-670 Plugged ! Note 7 2LRWI10DOG Zone II Floor Drain 34-670 Plugged!/ Note 7

,SUSQUEHANNA -UNIT 2TS/B369aRiso6 TS / B 3.6-99a Revision 6

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive Isolation Valves or Devices (Page 3 of 4)

Device Number 1LRWI810U

}Device Zone Ill Floor Drain Description [Area/Elev. [Required 29-818 Position / Notes Plugged 1 Note 7 I1LRWII1810QV Zone Ill Floor Drain 29-818 Plugged / Note 7 1LRWI1I81W Zone IIl Floor Drain 29-818 Plugged / Note 7 1 LRWI810OX Zone [ll Floor Drain 29-818 Plugged / Note 7 1 LRWI810OY Zone Ill Floor Drain 29-818 Plugged / Note 7 1 LRWI81 0Z Zone Ill Floor Drain 29-818 Plugged / Note 7 I1LRWI810OFF Zone Ill Floor Drain 29-818 Plugged!/ Note 7 I LRWI8I0GG Zone Ill Floor Drain 29-818 Plugged!/ Note 7 1LRWI810HH Zone Il1Floor Drain 29-818 Plugged / Note 7 1 LRWI8I0JJ Zone Ill Floor Drain 29-818 Plugged / Note 7 1 LRW1810OKK Zone IIl Floor Drain 29-818 Plugged!/ Note 7 1LRWI615A Zone 1,Zone IIl, or No Zone Floor Drain 29-779 Plugged!/Note 7 1_LRWIIOOA Zone 1,Zone Ill, or No Zone Floor Drain 29-670 Plugged!/ Note 7 1 LRWI1 008 Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged!/ Note 7 1 LRWI100C Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged!/ Note 7 1 LRWI10DOD Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged / Note 7 1 LRWIIODOE Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged!/ Note 7 1 LRWI100OF Zone I, Zone Ill, or No Zone Floor Drain 29-670 Plugged / Note 7 1 LRWI100G Zone I, Zone Ill, or No Zone Floor Drain 670 Plugged!/ Note 7 SUSQUEHANNA -UNIT 2TS/B3-9bRvso4 TS / B 3.6-99b Revision 4

Rev. 10 SCIVs B 3.6.4.2 Table B 3.6.4.2-2 Secondary Containment Ventilation System Passive isolation Valves or Devices (Page 4 of 4)

Note 1: The two blind flanges on the SDHR penetrations (blind flanges for device number X-29-2-44 and X-29-2-4.5) and all the closed manual valves for the SDHR system (110176, 110186, 110180, 110181, 110182, 110187, 210186, 210187, 210191,210192, 210193) can each be considered as a separate secondary containment isolation device for the SDHR penetrations. If one or both of the blind flanges is removed and all the above identified manual valves for the SDHR system are closed, the appropriate LCO should be entered for one inoperable SCIV in a penetration flow path with two SCIVs. With the blind flange removed, the manual valves could be openad intermittently under administrative controls per the Technical Specification Note. When both SDHR blind flanges are installed, opening of the manual valves for the SDHR system will be controlled to prevent cross connecting ventilation zones. When the manual valves for the SDHR system are open in this condition, the appropriate LCO should be entered for one inoperable SCIV in a penetration flow path with two SCIVs. When the SDHR system piping is connected and full of water, the piping forms the secondary containment boundary and the above listed SCIVs in Table B3.6.4.2-2 are no longer required for this system since the piping forms the barrier.

Note 2: Due to the multiple alignments of the RBCW temporary chiller, different devices will perform the SCIV function depending on the RBCW configuration. There are three devices/equipment that can perform the SCIV function for the RBCW temporary chiller supply penetration. The first SCIV for the RBCW temporary chiller supply penetration is the installed blind flange on penetration X-29-2-47. The second SCIV for the RBCW temporary chiller supply penetration is isolation valve 187389. The third SCIV for the temporary RBCW chiller supply penetration is closed drain valve 187390 and an installed blind flange on penetrations X-29-5-92 and/or X-29-6-96. Since there are effectively three SCIVs, any two can be used to define the SCIV for the penetration. Removal of one of the two required SCIVs requires entry into the appropriate LCO for one inoperable SCIV in a penetration flow path with two SCIVs. Opening of drain valve 187390 and operation of blank flanges X-29-5-96 and X-29-5-92 will be controlled to prevent cross connecting ventilation zones. These three SCIVs prevent air inleakage into secondary containment. The isolation of the penetration per the Technical Specification requirement is to assure that one of the above SCIVs is closed so that there is no air inleakage into secondary containment.

There are three deviceslequipment that can perform the SCIV function for the RBCW temporary chiller return penetration. The first SCIV for the RBCW temporary chiller return penetration is the installed blind flange on penetration X-29-2-46. The second SCIV for the R BCW temporary chiller return penetration is isolation valve 187388. The third SCIV for the temporary RBCW chiller return penetration is closed drain valve 187391 and an installed blind flange on penetrations X-29-5-91 and/or X-29-5-95. Since there are effectively three SCIVs, any two can be used to define the SCIV for the penetration. Removal of one of the two required SCIVs requires entry into the appropriate LCO for one inoperable SCIV in a penetration flow path with two SCiVs. Opening of drain valve 187391 and operation of blank flanges X-29--5--91 and X-29-5-95 will be controlled to prevent cross connecting ventilation zones. These three SCIVs prevent air inleakage into secondary containment: The isolation of the penetration per the Technical Specification requirement is to assure that one of the above SCIVs is closed so that there is no air inleakage into secondary containment.

When the RBCW temporary chiller piping is connected and full of water, the piping inside secondary containment forms the secondary, containment boundary and the above listed SCIVs in Table B3.6.4.2-2 are no longer required for this system.

Note 3: These penetrations connect Secondary Containment Zone I to a No-Zone. When Secondary Containment Zone I is isolated from the recirculation plenum, the above listed SCIVs in Table B3.6.4.2-2 are no longer required.

Note 4: These penetrations connect Secondary Containment Zone IIto a No-Zone. When Secondary Containment Zone Illis isolated from the recirculation plenum, the above listed SCIVs in Table 83.6.4.2-2 are no longer required.

Note 5: These penetrations connect the Railroad Bay to a No-Zone. When the Railroad Bay is a No-Zone, the above listed SCIVs in Table B3.6.4.2-2 are no longer required.

Note 6: These penetrations connect Secondary Containment Zone I to the Railroad Bay. The above listed SOi~s in Table 83.6.4.2-2 are not required ifthe Railroad Bay is a No-Zone and Zone I is isolated from the reciroulation plenum OR if the Railroad Bay is aligned to Zone I.

Note 7: Due to drain header containing multiple floor drains in different ventilation zones, drain plugs were installed in all of the drain header floor drains. To provide the passive Secondary Containment boundary, only drain plugs in one ventilation zone are required to be installed.

SUSQUEHANNA - UNIT 2TS/B3-9cRvso0 TS / B 3.6-99c Revision 0

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