Text

Developmental Revision B - Technical Requirements Manual TR 3.8 - Electrical Power Systems
	ML100550629
Person / Time
Site:	Watts Bar
Issue date:	02/02/2010
From:	; Tennessee Valley Authority
To:	; Office of Nuclear Reactor Regulation
References
	Download: ML100550629 (19)
	v • d • e

Isolation Devices TR 3.8.1 TR 3.8 ELECTRICAL POWER SYSTEMS TR 3.8.1 Isolation Devices TR 3.8.1 All circuit breakers actuated by fault currents that are used as isolation devices protecting 1E busses from non-qualified loads shall be OPERABLE.

APPLICABILITY: MODES 1, 2, 3, and 4.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more required A.1 Restore the inoperable 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months circuit breakers inoperable. circuit breaker(s) to OPERABLE status.

OR A.2.1 Trip or remove the 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months inoperable circuit breaker(s).

AND A.2.2 Verify that inoperable Once per 7 days circuit breaker(s) are thereafter tripped or removed.

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

B.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months Watts Bar - Unit 2 3.8-1 Technical Requirements (developmental) A

Isolation Devices TR 3.8.1 TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.8.1.1 -------------------------------NOTES---------------------------

1. Molded case circuit breakers selected for functional testing shall be selected on a rotating basis.

2. The functional test shall be conducted by simulating a fault current with an approved test set and verifying that the molded case circuit breaker functions as designed.

3. For each molded-case circuit breaker found inoperable during functional tests, an additional representative sample of 10% of the defective type shall be functionally tested until no more failures are found or all of that type have been functionally tested.

Perform functional test on representative sample of 18 months 10% of each type of molded-case circuit breaker.

TSR 3.8.1.2 -------------------------------NOTES---------------------------

1. Electrically-operated circuit breakers selected for functional testing shall be selected on a rotating basis.

2. The functional test shall be conducted by simulating a fault current with an approved test set and verifying that each electrically-operated circuit breaker functions as designed.

3. For each electrically-operated circuit breaker found inoperable during functional tests, an additional representative sample of 10% of the defective type shall be functionally tested until no more failures are found or all of that type have been functionally tested.

Perform functional test on representative sample of 18 months 10% of each type of electrically-operated circuit breaker.

(continued)

Watts Bar - Unit 2 3.8-2 Technical Requirements (developmental) B

Isolation Devices TR 3.8.1 TECHNICAL SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY TSR 3.8.1.3 Perform a CHANNEL CALIBRATION of associated 18 months protective relays for medium voltage circuits (6.9 kV).

TSR 3.8.1.4 -------------------------------NOTE------------------------------

For each circuit breaker found inoperable during functional tests, an additional representative sample of 10% of the defective type shall be functionally tested until no more failures are found or all of that type have been functionally tested.

Perform an integrated system functional test on each 18 months medium voltage (6.9 kV) breaker which includes simulated automatic actuation of the system and verifying that each relay and associated circuit breakers and control circuits function as designed.

TSR 3.8.1.5 Inspect each circuit breaker and perform preventive 72 months maintenance in accordance with procedures prepared in conjunction with the manufacturer's and EPRI NP-7410-V3, Rev. 1 recommendations for electrically operated breakers and Class 1E MCCB.

Watts Bar - Unit 2 3.8-3 Technical Requirements (developmental) A

Containment Penetration Conductor Overcurrent Protection Devices TR 3.8.2 TR 3.8 ELECTRICAL POWER SYSTEMS TR 3.8.2. Containment Penetration Conductor Overcurrent Protection Devices TR 3.8.2. All containment penetration conductor overcurrent protection devices shall be OPERABLE.

APPLICABILITY: MODES 1, 2, 3, and 4.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more containment A.1 Restore the protective 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months penetration conductor device(s) to OPERABLE overcurrent protection status.

devices inoperable.

OR A.2.1 De-energize the circuit(s) 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months by tripping the associated backup circuit breaker or removing the inoperable circuit breaker.

AND A.2.2 Declare the affected 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months system or component inoperable.

AND A.2.3 Verify the backup circuit Once per 7 days breaker to be tripped or thereafter the inoperable circuit breaker removed.

(continued)

Watts Bar - Unit 2 3.8-4 Technical Requirements (developmental) A

Containment Penetration Conductor Overcurrent Protection Devices TR 3.8.2 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B. Required Action and B.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND B.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months TECHNICAL SURVEILLANCE REQUIREMENTS

NOTES-----------------------------------------------------------

1. All containment penetration conductor overcurrent protection devices listed in Drawing Series 45A710 (excluding fuses) shall be demonstrated OPERABLE by performance of the following Technical Surveillance Requirements.

2. Technical Surveillance Requirements 3.8.2.1 and 3.8.2.2 apply to at least one 6900-volt reactor coolant pump circuit such that all reactor coolant pump circuits are demonstrated OPERABLE at least once per 72 months.

SURVEILLANCE FREQUENCY TSR 3.8.2.1 Perform a CHANNEL CALIBRATION of associated 18 months protective relays for medium voltage circuits (6.9 kV).

(continued)

Watts Bar - Unit 2 3.8-5 Technical Requirements (developmental) A

Containment Penetration Conductor Overcurrent Protection Devices TR 3.8.2 TECHNICAL SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY TSR 3.8.2.2 -------------------------------NOTE------------------------------

For each circuit breaker found inoperable during functional tests, an additional representative sample of 10% of the defective type shall be functionally tested until no more failures are found, or all of that type have been functionally tested.

Perform an integrated system functional test on each 18 months medium voltage (6.9 kV) breaker which includes simulated automatic actuation of the system and verifying that each relay and associated circuit breakers and control circuits function as designed.

TSR 3.8.2.3 -------------------------------NOTES----------------------------

1. Molded case circuit breakers selected for functional testing shall be selected on a rotating basis.

2. The functional test shall be conducted by simulating a fault current with an approved test set and verifying that each circuit breaker functions as designed.

3. For each molded case circuit breaker found inoperable during functional tests, an additional representative sample of 10% of all the defective type shall be functionally tested until no more failures are found or all of that type have been functionally tested.

Select and functionally test a representative sample 18 months of 10% of each type of molded case circuit breaker.

(continued)

Watts Bar - Unit 2 3.8-6 Technical Requirements (developmental) A

Containment Penetration Conductor Overcurrent Protection Devices TR 3.8.2 TECHNICAL SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY TSR 3.8.2.4 -------------------------------NOTES----------------------------

1. Electrically-operated circuit breakers selected for functional testing shall be selected on a rotating basis.

2. The functional test shall be conducted by simulating a fault current with an approved test set and verifying that each electrically-operated circuit breaker functions as designed.

3. For each electrically-operated circuit breaker found inoperable during functional tests, an additional representative sample of 10% of the defective type shall be functionally tested until no more failures are found or all of that type have been functionally tested.

Perform functional test on representative sample of 18 months 10% of each type of electrically-operated circuit breaker.

TSR 3.8.2.5 Inspect each circuit breaker and perform preventive maintenance in accordance with procedures prepared in conjunction with the manufacturer's and EPRI NP-7410-V3, Rev. 1 recommendations:

1. For electrically operated breakers and 72 months Class 1E MCCB

2. For non-Class 1E MCCB. 96 months Watts Bar - Unit 2 3.8-7 Technical Requirements (developmental) A

Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 TR 3.8 ELECTRICAL POWER SYSTEMS TR 3.8.3 Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 The thermal overload bypass devices integral with the motor starter of each valve listed in Table 3.8.3-1 shall be OPERABLE.

APPLICABILITY: Whenever the motor-operated valve is required to be OPERABLE.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Thermal overload A.1 Restore inoperable 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months protection not bypassed device to OPERABLE when required for one or status.

more of the valves listed in Table 3.8.3-1. OR A.2 Provide a means to 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months bypass the thermal overload.

B. Required Action and B.1 Declare the affected Immediately associated Completion valve(s) inoperable.

Time of Condition A not met. AND B.2 Apply the appropriate Immediately ACTION statement(s) of the affected system(s).

TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.8.3.1 Perform TADOT of the bypass circuitry. 18 months Watts Bar - Unit 2 3.8-8 Technical Requirements (developmental) A

Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 Table 3.8.3-1 (Page 1 of 5)

Motor-Operated Valves Thermal Overload Devices Which Are Bypassed Under Accident Conditions VALVE NO. FUNCTION 2-FCV-62-63 Isolation for Seal Water Filter 2-FCV-62-90 ECCS Operation 2-FCV-62-91 ECCS Operation 2-FCV-62-61 Containment Isolation 2-LCV-62-132 ECCS Operation 2-LCV-62-133 ECCS Operation 2-LCV-62-135 ECCS Operation 2-LCV-62-136 ECCS Operation 2-FCV-74-1 Open for Normal Plant Cooldown 2-FCV-74-2 Open for Normal Plant Cooldown 2-FCV-74-3 ECCS Operation 2-FCV-74-21 ECCS Operation 2-FCV-74-12 RHR Pump, Minimum flow -- Protects Pump 2-FCV-74-24 RHR Pump, Minimum flow -- Protects Pump 2-FCV-74-33 ECCS Operation 2-FCV-74-35 ECCS Operation 2-FCV-63-7 ECCS Operation 2-FCV-63-6 ECCS Operation 2-FCV-63-156 ECCS Flow Path 2-FCV-63-157 ECCS Flow Path 2-FCV-63-25 BIT Injection 2-FCV-63-26 BIT Injection 2-FCV-63-1 ECCS Operation 2-FCV-63-72 ECCS Flow Path from Containment Sump 2-FCV-63-73 ECCS Flow Path from Containment Sump (continued)

Watts Bar - Unit 2 3.8-9 Technical Requirements (developmental) B

Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 Table 3.8.3-1 (Page 2 of 5)

Motor-Operated Valves Thermal Overload Devices Which Are Bypassed Under Accident Conditions VALVE NO. FUNCTION 2-FCV-63-8 ECCS Flow Path 2-FCV-63-11 ECCS Flow Path 2-FCV-63-93 ECCS Cooldown Flow Path 2-FCV-63-94 ECCS Cooldown Flow Path 2-FCV-63-172 ECCS Flow Path 2-FCV-63-5 ECCS Flow Path 2-FCV-63-47 Train Isolation 2-FCV-63-48 Train Isolation 2-FCV-63-4 SI Pump Minimum Flow 2-FCV-63-175 SI Pump Minimum Flow 2-FCV-63-3 SI Pump Minimum Flow 2-FCV-63-152 ECCS Recirculation 2-FCV-63-153 ECCS Recirculation 2-FCV-3-33 Quick Closing Isolation 2-FCV-3-47 Quick Closing Isolation 2-FCV-3-87 Quick Closing Isolation 2-FCV-3-100 Quick Closing Isolation 2-FCV-1-15 Steam Supply to Auxiliary FWP Turbine 2-FCV-1-16 Steam Supply to Auxiliary FWP Turbine 2-FCV-3-179A ERCW System Supply to Pump 2-FCV-3-179B ERCW System Supply to Pump 2-FCV-3-136A ERCW System Supply to Pump 2-FCV-3-136B ERCW System Supply to Pump 2-FCV-3-116A ERCW System Supply to Pump 2-FCV-3-116B ERCW System Supply to Pump 2-FCV-3-126A ERCW System Supply to Pump 2-FCV-3-126B ERCW System Supply to Pump (continued)

Watts Bar - Unit 2 3.8-10 Technical Requirements (developmental) B

Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 Table 3.8.3-1 (Page 3 of 5)

Motor-Operated Valves Thermal Overload Devices Which Are Bypassed Under Accident Conditions VALVE NO. FUNCTION 2-FCV-70-133 Isolation for RCP Oil Coolers & Therm B 2-FCV-70-143 Isolation for Excess Letdown Heat Exchanger 2-FCV-70-92 Isolation for RCP Oil Coolers & Therm B 2-FCV-70-90 Isolation for RCP Oil Coolers & Therm B 2-FCV-70-87 Isolation for RCP Oil Coolers & Therm B 2-FCV-70-89 Isolation for RCP Oil Coolers & Therm B 2-FCV-70-140 Isolation for RCP Oil Coolers & Therm B 2-FCV-70-134 Isolation for RCP Oil Coolers & Therm B 2-FCV-67-123 CS Heat Exchanger Supply 2-FCV-67-125 CS Heat Exchanger Supply 2-FCV-67-124 CS Heat Exchanger Discharge 2-FCV-67-126 CS Heat Exchanger Discharge 2-FCV-67-146 CCWS Heat Exchanger Throttling 2-FCV-67-83 Containment Isolation Lower 2-FCV-67-88 Containment Isolation Lower 2-FCV-67-87 Containment Isolation Lower 2-FCV-1-51 AFPT Trip and Throttle Valve 2-FCV-67-95 Containment Isolation Lower 2-FCV-67-96 Containment Isolation Lower 2-FCV-67-91 Containment Isolation Lower 2-FCV-67-103 Containment Isolation Lower 2-FCV-67-104 Containment Isolation Lower 2-FCV-67-99 Containment Isolation Lower 2-FCV-67-111 Containment Isolation Lower 2-FCV-67-112 Containment Isolation Lower 2-FCV-67-107 Containment Isolation Lower (continued)

Watts Bar - Unit 2 3.8-11 Technical Requirements (developmental) B

Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 Table 3.8.3-1 (Page 4 of 5)

Motor-Operated Valves Thermal Overload Devices Which Are Bypassed Under Accident Conditions VALVE NO. FUNCTION 2-FCV-67-130 Containment Isolation Lower 2-FCV-67-131 Containment Isolation Lower 2-FCV-67-295 Containment Isolation Lower 2-FCV-67-134 Containment Isolation Lower 2-FCV-67-296 Containment Isolation Lower 2-FCV-67-133 Containment Isolation Lower 2-FCV-67-139 Containment Isolation Lower 2-FCV-67-297 Containment Isolation Lower 2-FCV-67-138 Containment Isolation Lower 2-FCV-67-142 Containment Isolation Lower 2-FCV-67-298 Containment Isolation Lower 2-FCV-67-141 Containment Isolation Upper 2-FCV-72-21 Containment Spray Pump Suction 2-FCV-72-22 Containment Spray Pump Suction 2-FCV-72-2 Containment Spray Isolation 2-FCV-72-39 Containment Spray Isolation 2-FCV-72-40 RHR Containment Spray Isolation 2-FCV-72-41 RHR Containment Spray Isolation 2-FCV-72-44 Containment Sump to Header A - Containment Spray 2-FCV-72-45 Containment Sump to Header B - Containment Spray 2-FCV-26-240 Containment Isolation 2-FCV-26-243 RCP Containment Spray Isolation 2-FCV-68-332 RCS PRZR Relief 2-FCV-68-333 RCS PRZR Relief 2-FCV-70-153 RHR Heat Exchanger B-B Outlet 2-FCV-70-156 RHR Heat Exchanger A-A Outlet (continued)

Watts Bar - Unit 2 3.8-12 Technical Requirements (developmental) B

Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 Table 3.8.3-1 (Page 5 of 5)

Motor-Operated Valves Thermal Overload Devices Which Are Bypassed Under Accident Conditions VALVE NO. FUNCTION 1-FCV-67-9A ERCW Strainer Backwash 2-FCV-67-9A ERCW Strainer Backwash 1-FCV-67-9B ERCW Strainer Flush 2-FCV-67-9B ERCW Strainer Flush 1-FCV-67-10A ERCW Strainer Backwash 2-FCV-67-10A ERCW Strainer Backwash 1-FCV-67-10B ERCW Strainer Flush 2-FCV-67-10B ERCW Strainer Flush 2-FCV-67-89 Containment Isolation 2-FCV-67-97 Containment Isolation 2-FCV-67-105 Lower Containment Isolation 2-FCV-67-113 Lower Containment Isolation 2-FCV-67-143 CCS Heat Exchanger Discharge 0-FCV-67-144 CCS Heat Exchanger Bypass 0-FCV-67-152 CCS Heat Exchanger Discharge 0-FCV-67-205 Nonessential Equipment Isolation 0-FCV-67-208 Station Service/Control Air Supply 2-FCV-70-183 Sample Heat Exchanger Header Outlet 2-FCV-70-100 RCP Oil Cooler Supply Containment Isolation 0-FCV-70-197 SFPCS Heat Exchanger Supply Header 2-FCV-70-215 Sample Heat Exchanger Header Inlet 2-FCV-74-8 RHR Isolation Bypass 2-FCV-74-9 RHR Isolation Bypass Watts Bar - Unit 2 3.8-13 Technical Requirements (developmental) B

Submerged Component Circuit Protection TR 3.8.4 TR 3.8 ELECTRICAL POWER SYSTEMS TR 3.8.4 Submerged Component Circuit Protection TR 3.8.4 The submerged component circuits associated with valves 2-FCV-74-1, 2-FCV-74-2, 2-FCV-74-8 and 2-FCV-74-9 shall be de-energized and the submerged components circuits associated with each component as shown in Table 3.8.4-1 shall be OPERABLE.

APPLICABILITY: MODES 1, 2, 3, and 4.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more submerged A.1 Restore the inoperable 7 days components circuits circuit to OPERABLE associated with valves status.

2-FCV-74-1, 2-FCV-74-2, 2-FCV-74-8, and 2-FCV-74-9 energized with RCS pressure 425 psig or one or more submerged components circuits inoperable for components listed in Table 3.8.4-1.

B. Required Action and B.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met. AND B.2 Be in MODE 5. 36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months Watts Bar - Unit 2 3.8-14 Technical Requirements (developmental) B

Submerged Component Circuit Protection TR 3.8.4 TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.8.4.1 Verify that valves 2-FCV-74-1, 2-FCV-74-2, 31 days 2-FCV-74-8, and 2-FCV-74-9 are de-energized.

TSR 3.8.4.2 Verify that the components as shown in Table 3.8.4-1 18 months are automatically de-energized on a simulated accident signal and that the components remain de-energized when the accident signal is reset.

Watts Bar - Unit 2 3.8-15 Technical Requirements (developmental) B

Submerged Component Circuit Protection TR 3.8.4 Table 3.8.4-1 (Page 1 of 4)

Submerged Components With Automatic De-energization Under Accident Conditions BOARD COMPT LOAD FCTN 6.9kV SHUTDOWN BOARD 2A-A 20 2-DPL-68-341A-A SI 21 2-DPL-68-341F SI 6.9kV SHUTDOWN BOARD 2B-B 20 2-DPL-68-341D-B SI 21 2-DPL-68-341H* SI 480V SHUTDOWN BOARD 2A1-A 7B 2-MTR-30-83/1-A CIB 7D 2-MTR-30-83/2-A CIB 7C 2-MTR-30-74-A CIB 480V SHUTDOWN BOARD 2B1-B 7C 2-MTR-30-92/1-B CIB 10D 2-MTR-30-92/2-B CIB 7D 2-MTR-30-75-B CIB 480V SHUTDOWN BOARD 2A2-A 7A 2-MTR-30-88/1-A CIB 8A 2-MTR-30-88/2-A CIB 7D 2-MTR-30-77-A CIB 480V SHUTDOWN BOARD 2B2-B 7B 2-MTR-30-80/1-B CIB 10C 2-MTR-30-80/2-B CIB 7D 2-MTR-30-78-B CIB 480V REACTOR MOV BOARD 16A 2-MTR-31-265 CIA 2A1-A 17E 2-PO-213-A1/(1-5) SI 18F2 2-PO-213-A1/(6-10) SI 480V REACTOR MOV BOARD 16A 2-MTR-31-266 CIA 2B1-B 16E 2-PO-213-B1/(1-5) SI 17E 2-PO-213-B1/(6-10) SI (continued)

Watts Bar - Unit 2 3.8-16 Technical Requirements (developmental) B

Submerged Component Circuit Protection TR 3.8.4 Table 3.8.4-1 (Page 2 of 4)

Submerged Components With Automatic De-energization Under Accident Conditions BOARD COMPT LOAD FCTN 480V REACTOR VENT BOARD 2A 2-MTR-77-125A SI 2A-A 9B 2-MTR-30-95 CIB 10B 2-MTR-30-99 CIB 11D 2-MTR-77-4 CIA 480V REACTOR VENT BOARD 2A 2-MTR-77-125B SI 2B-B 9B 2-MTR-30-97 CIB 10B 2-MTR-30-100 CIB 11D 2-MTR-77-6 CIA 125VDC VITAL BATTERY A6 2-FCV-62-72-A CIA BOARD III A7 2-FCV-62-73-A CIA A8 2-FCV-62-74-A CIA A17 2-FCV-62-76-A CIA A31 2-FCV-63-71-A CIA B30 2-FSV-30-56-A CVI B32 2-FSV-30-20-A CVI B36 2-FSV-30-40-A CVI C3 2-FCV-31-306-A CIA C4 2-FCV-31-308-A CIA C22 2-FCV-1-181-A CIA C38 2-FCV-1-183-A CIA C46 2-FCV-30-17-A CVI (continued)

Watts Bar - Unit 2 3.8-17 Technical Requirements (developmental) B

Submerged Component Circuit Protection TR 3.8.4 Table 3.8.4-1 (Page 3 of 4)

Submerged Components With Automatic De-energization Under Accident Conditions BOARD COMPT LOAD FCTN 125VDC VITAL BATTERY A20 2-FCV-43-2-B CIA BOARD IV A21 2-FCV-43-11-B CIA A22 2-FCV-43-22-B CIA A23 2-FCV-43-34-B CIA A24 2-FCV-77-16-B CIA A43 2-FCV-77-127-B CIA A44 2-FCV-77-9-B CIA A45 2-FCV-77-18-B CIA B26 2-FCV-30-8/50-B CVI B27 2-FCV-90-108-B CVI B28 2-FCV-90-110-B CVI B32 2-FCV-30-15/57-B CVI B33 2-FCV-90-114-B CVI B34 2-FCV-30-58-B CVI B36 2-FCV-90-116-B CVI C5 2-FCV-31-327-B CIA C6 2-FCV-30-329-B CIA C21 2-FCV-43-75-B CIA C26 2-FCV-61-122-B CIA C34 2-FCV-90-109-B CVI C35 2-FCV-90-115-B CVI C41 2-FCV-43-54D-B CIA C42 2-FCV-43-56D-B CIA C43 2-FCV-43-59D-B CIA C44 2-FCV-43-63D-B CIA Watts Bar - Unit 2 3.8-18 Technical Requirements (developmental) B

Submerged Component Circuit Protection TR 3.8.4 Table 3.8.4-1 (Page 4 of 4)

Submerged Components With Automatic De-energization Under Accident Conditions CIA: CONTAINMENT ISOLATION PHASE A CIB: CONTAINMENT ISOLATION PHASE B CVI: CONTAINMENT VENT ISOLATION SI: SAFETY INJECTION

No adverse impact on power supplies if energized after accident signal reset.

Watts Bar - Unit 2 3.8-19 Technical Requirements (developmental) B

ML100550629

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