ML100550629

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)

Text

Isolation Devices TR 3.8.1 Watts Bar - Unit 2 3.8-1 Technical Requirements (developmental) A 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 circuit breakers inoperable. A.1 Restore the inoperable circuit breaker(s) to OPERABLE status.

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

8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> AND A.2.2 Verify that inoperable circuit breaker(s) are tripped or removed.

Once per 7 days thereafter B. Required Action and associated Completion Time of Condition A not met. B.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> AND B.2 Be in MODE 5. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> Isolation Devices TR 3.8.1 Watts Bar - Unit 2 3.8-2 Technical Requirements (developmental) B 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 10% of each type of molded-case circuit breaker.

18 months 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 10% of each type of electrically-operated circuit breaker. 18 months (continued)

Isolation Devices TR 3.8.1 Watts Bar - Unit 2 3.8-3 Technical Requirements (developmental) A TECHNICAL SURVEILLANCE REQUIREMENTS (continued) SURVEILLANCE FREQUENCY TSR 3.8.1.3 Perform a CHANNEL CALIBRATION of associated protective relays for medium voltage circuits (6.9 kV).

18 months 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 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.

18 months TSR 3.8.1.5 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 for electrically operated breakers and Class 1E MCCB.

72 months

Containment Penetration Conductor Overcurrent Protection Devices TR 3.8.2 Watts Bar - Unit 2 3.8-4 Technical Requirements (developmental) A 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 penetration conductor

overcurrent protection

devices inoperable. A.1 Restore the protective device(s) to OPERABLE

status. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OR A.2.1 De-energize the circuit(s) by tripping the

associated backup circuit

breaker or removing the

inoperable circuit

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

inoperable.

72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> AND A.2.3 Verify the backup circuit breaker to be tripped or

the inoperable circuit

breaker removed.

Once per 7 days thereafter (continued)

Containment Penetration Conductor Overcurrent Protection Devices TR 3.8.2 Watts Bar - Unit 2 3.8-5 Technical Requirements (developmental) A ACTIONS (continued) CONDITION REQUIRED ACTION COMPLETION TIME B. Required Action and associated Completion

Time not met. B.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> AND B.2 Be in MODE 5. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />

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 protective relays for medium voltage circuits (6.9 kV).

18 months (continued)

Containment Penetration Conductor Overcurrent Protection Devices TR 3.8.2 Watts Bar - Unit 2 3.8-6 Technical Requirements (developmental) A 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 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.

18 months 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 of 10% of each type of molded case circuit breaker.

18 months (continued)

Containment Penetration Conductor Overcurrent Protection Devices TR 3.8.2 Watts Bar - Unit 2 3.8-7 Technical Requirements (developmental) A 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 10% of each type of electrically-operated circuit breaker. 18 months 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 Class 1E MCCB 72 months 2. For non-Class 1E MCCB. 96 months

Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 Watts Bar - Unit 2 3.8-8 Technical Requirements (developmental) A 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 protection not bypassed when required for one or

more of the valves listed in Table 3.8.3-1. A.1 Restore inoperable device to OPERABLE status. 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> OR A.2 Provide a means to bypass the thermal overload.

8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> B. Required Action and associated Completion Time of Condition A not met. B.1 Declare the affected valve(s) inoperable.

Immediately AND B.2 Apply the appropriate ACTION statement(s) of the affected system(s).

Immediately

TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.8.3.1 Perform TADOT of the bypass circuitry. 18 months Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 Watts Bar - Unit 2 3.8-9 Technical Requirements (developmental) B 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)

Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 Watts Bar - Unit 2 3.8-10 Technical Requirements (developmental) B 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)

Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 Watts Bar - Unit 2 3.8-11 Technical Requirements (developmental) B 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)

Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 Watts Bar - Unit 2 3.8-12 Technical Requirements (developmental) B 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)

Motor-Operated Valves Thermal Overload Bypass Devices TR 3.8.3 Watts Bar - Unit 2 3.8-13 Technical Requirements (developmental) B 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

Submerged Component Circuit Protection TR 3.8.4 Watts Bar - Unit 2 3.8-14 Technical Requirements (developmental) B 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 components circuits associated with valves 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. A.1 Restore the inoperable circuit to OPERABLE status. 7 days B. Required Action and associated Completion Time not met. B.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> AND B.2 Be in MODE 5. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> Submerged Component Circuit Protection TR 3.8.4 Watts Bar - Unit 2 3.8-15 Technical Requirements (developmental) B TECHNICAL SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY TSR 3.8.4.1 Verify that valves 2-FCV-74-1, 2-FCV-74-2, 2-FCV-74-8, and 2-FCV-74-9 are de-energized.

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

18 months Submerged Component Circuit Protection TR 3.8.4 Watts Bar - Unit 2 3.8-16 Technical Requirements (developmental) B 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 2A1-A 16A 17E 18F2 2-MTR-31-265 2-PO-213-A1/(1-5) 2-PO-213-A1/(6-10) CIA SI SI 480V REACTOR MOV BOARD 2B1-B 16A 2-MTR-31-266 CIA 16E 2-PO-213-B1/(1-5) SI 17E 2-PO-213-B1/(6-10) SI (continued)

Submerged Component Circuit Protection TR 3.8.4 Watts Bar - Unit 2 3.8-17 Technical Requirements (developmental) B 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-A 2A 2-MTR-77-125A SI 9B 2-MTR-30-95 CIB 10B 2-MTR-30-99 CIB 11D 2-MTR-77-4 CIA 480V REACTOR VENT BOARD 2B-B 2A 2-MTR-77-125B SI 9B 2-MTR-30-97 CIB 10B 2-MTR-30-100 CIB 11D 2-MTR-77-6 CIA 125VDC VITAL BATTERY BOARD III A6 2-FCV-62-72-A CIA 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 C3 2-FSV-30-40-A 2-FCV-31-306-A CVI CIA C4 2-FCV-31-308-A CIA C22 2-FCV-1-181-A CIA C38 C46 2-FCV-1-183-A 2-FCV-30-17-A CIA CVI (continued)

Submerged Component Circuit Protection TR 3.8.4 Watts Bar - Unit 2 3.8-18 Technical Requirements (developmental) B 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 BOARD IV A20 2-FCV-43-2-B CIA A21 2-FCV-43-11-B CIA A22 A23 2-FCV-43-22-B 2-FCV-43-34-B CIA CIA A24 2-FCV-77-16-B CIA A43 2-FCV-77-127-B CIA A44 2-FCV-77-9-B CIA A45 B26 B27 B28 B32 B33 B34 B36 C5 C6 2-FCV-77-18-B 2-FCV-30-8/50-B 2-FCV-90-108-B 2-FCV-90-110-B 2-FCV-30-15/57-B 2-FCV-90-114-B 2-FCV-30-58-B 2-FCV-90-116-B 2-FCV-31-327-B 2-FCV-30-329-B CIA CVI CVI CVI CVI CVI CVI CVI CIA CIA C21 2-FCV-43-75-B CIA C26 C34 C35 2-FCV-61-122-B 2-FCV-90-109-B 2-FCV-90-115-B CIA CVI 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 Submerged Component Circuit Protection TR 3.8.4 Watts Bar - Unit 2 3.8-19 Technical Requirements (developmental) B 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.