ML18022A205

Updated Final Safety Analysis Report (Ufsar), Amendment 27, 4.3 Table - Reactor Recirculation System

ML18022A205
Person / Time
Site:	Browns Ferry
Issue date:	10/05/2017
From:	Tennessee Valley Authority
To:	Office of Nuclear Reactor Regulation
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BFN-22 Table 4.3-1a REACTOR RECIRCULATION SYSTEM DESIGN CHARACTERISTICS (Pre-Uprated)

External Loops Number of Loops............................................................................................................................................... 2 Pipe Sizes (nominal o.d.)

Pump Suction,in.................................................................................................................................. 28 Pump Discharge,in.............................................................................................................................. 28 Discharge Manifold,in........................................................................... 22 (Units 1 & 2), 12 & 22 (Unit 3)

Recirculation Inlet Line,in.................................................................................................................... 12 Equalizer Line,in (Unit 2 only)............................................................................................................. 22 Design Pressure (psig)/Design Temperature(°F)

Suction Piping.......................................................................................................................... 1148/562 Discharge Piping...................................................................................................................... 1326/562 Pumps..................................................................................................................................... 1500/575 Operation at Warranted Conditions Recirculation Pump Flow gpm (approximate).............................................................................................................. 45,200 Flow,lb/hr................................................................................................................................ 17.1 X 106 Total Developed Head,ft................................................................................................................... 710 Suction Pressure (static),psia........................................................................................................ 1,032 Available NPSH*(min.),ft................................................................................................................... 500 Water Temperature (max.),°F........................................................................................................... 528 Pump Hydraulic HP (min.),hp......................................................................................................... 6,130 Flow Velocity at Pump Suction, fps (approximate)........................................................................... 27.5 Variable Frequency Drives (Units 1, 2, and 3) and Power Supply Frequency (at warranted),Hz.............................................................................................................. 56 Frequency (operating range),Hz.............................................................................................. 11.5-57.5 Total Required Power to Variable Frequency Drive (Units 1, 2, and 3) kW/set............................................................................................................................................ 6,730 kW total........................................................................................................................................ 13,460 Jet Pumps Number............................................................................................................................................... 20 Total Jet pump flow,lb/hr....................................................................................................... 102.5 X 106 Throat I.D.,in.................................................................................................................................... 8.18 Diffuser I.D.,in.................................................................................................................................. 19.0 Nozzle I.D.,in. (representative)......................................................................................................... 3.14 Diffuser Exit Velocity,ft/sec............................................................................................................... 15.3 Jet Pump Head,ft............................................................................................................................. 76.1

• Includes velocity head.

BFN-22 Table 4.3-1b REACTOR RECIRCULATION SYSTEM DESIGN CHARACTERISTICS (Uprated)

External Loops Number of Loops............................................................................................................................................... 2 Pipe Sizes (nominal o.d.)

Pump Suction,in.................................................................................................................................. 28 Pump Discharge,in.............................................................................................................................. 28 Discharge Manifold,in........................................................................... 22 (Units 1 & 2), 12 & 22 (Unit 3)

Recirculation Inlet Line,in.................................................................................................................... 12 Equalizer Line,in (Unit 2 only)............................................................................................................................ 22 Design Pressure (psig)/Design Temperature(°F)

Suction Piping.......................................................................................................................... 1148/562 Discharge Piping...................................................................................................................... 1326/562 Pumps..................................................................................................................................... 1500/575 Operation at Uprated License Conditions (100% Core Flow)

Recirculation Pump Flow gpm (approximate).............................................................................................................. 46,533 Flow,lb/hr................................................................................................................................ 17.7 X 106 Total Developed Head,ft................................................................................................................ 628.2 Suction Pressure (static),psia........................................................................................................ 1,060 Available NPSH*(min.),ft................................................................................................................... 533 Water Temperature (suction),°F........................................................................................................ 531 Pump Hydraulic HP,hp................................................................................................................... 6,456 Flow Velocity at Pump Suction, fps (approximate)........................................................................... 30.1 Variable Frequency Drive (Units 1, 2, and 3) and Power Supply Frequency (at uprated license conditions - 100% Core Flow),Hz........................................................ 54 Frequency (operating range),Hz.............................................................................................. 11.5-57.5 Total Required Power to Variable Frequency Drive (Units 1, 2, and 3) hp/set............................................................................................................................................. 8,624 hp total......................................................................................................................................... 17,248 Jet Pumps Number............................................................................................................................................... 20 Total Jet pump flow,lb/hr....................................................................................................... 102.5 X 106 Throat I.D.,in.................................................................................................................................... 8.18 Diffuser I.D.,in.................................................................................................................................. 19.0 Nozzle I.D.,in. (representative)......................................................................................................... 3.14 Diffuser Exit Velocity,ft/sec............................................................................................................... 15.3 Available Jet Pump Suction NPSH, ft................................................................................................ 466 Available Jet Pump Nozzle NPSH, ft................................................................................................. 461

• Includes velocity head.