ML21286A424

Amendment 29 to Updated Final Safety Analysis Report, Chapter 8, Table 8.6, 250-V DC Power Supply

ML21286A424
Person / Time
Site:	Browns Ferry
Issue date:	10/04/2021
From:	Tennessee Valley Authority
To:	Office of Nuclear Reactor Regulation
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References
Download: ML21286A424 (2)

Text

BFN-29 Table 8.6-1 250-V DC CONNECTED LOADS Unit Battery Boards

1. Reactor Motor-Operated Valve Boards (3 per unit A, B, and C)

2. Circuit Breaker Board 9-9 (1 per unit)

3. 480-V Shutdown Board Controls (Unit 3)

4. 4160-V Shutdown Board Controls (Unit 3)

5. Bus-tie Board

6. Cooling Tower Switchgear C and D

7. 480-V HVAC Board B

8. Distribution Board 9-24 (alternate)

9. 161 kV Circuit Switcher 1017 Station Battery Board

1. Main Turbine Emergency Bearing Oil Pump (1 per unit)

2. Main Generator Emergency Seal Oil Pump (1 per unit)

3. Plant Preferred AC Motor Generator

4. DC Emergency Lighting at Diesel Generator Buildings

5. Distribution Board 9-24

6. Diesel Generator Air Compressors

7. Cooling Tower Switchgear C and D

8. Turbine Building Distribution Board (1 per unit)

9. Reactor Building Lighting Cabinet (1 per unit)

10. Unit Preferred AC Motor Generator (Units 2 and 3) and Unit Preferred UPS Inverter (Unit 1)

11. Computer UPS Reactor MOV Board Loads

1. Autodepressurization Main Steam Relief Valves (MOV Boards A, B, and C)

2. Main Steam Relief Valves (MOV Boards A, B, and C)

3. Main Steam Isolation Valves Solenoids (MOV Boards A and B)

4. (Deleted)

5. Backup Scram Valves (MOV Boards A, B, and C)

6. RHR Shutdown Isolation Valves (MOV Board B)

7. Division I Engineered Safeguards Logic Power Supply (MOV Board B)

8. HPCI Turbine Controls and Auxiliaries (MOV Board A)

9. HPCI Valves (MOV Board A and B)

10. RCIC Turbine Controls and Auxiliaries (MOV Board C)

11. RCIC Valves (MOV Boards B and C)

12. Division II Engineered Safeguards Logic Power Supply (MOV Board A) 250-V DC Control Power Supplies

1. 4160-V Shutdown Board Controls (Units 1 & 2), and 3EB on Unit 3

2. 480-V Shutdown Board Controls (Units 1 & 2)

3. ATWS (Units 1, 2, and 3)

BFN-26 Table 8.6-3 (Deleted by Amendment 10)