ML18022A321

Updated Final Safety Analysis Report (Ufsar), Amendment 27, 7.3 Table - Primary Containment Isolation

ML18022A321
Person / Time
Site:	Browns Ferry
Issue date:	10/05/2017
From:	Tennessee Valley Authority
To:	Office of Nuclear Reactor Regulation
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Download: ML18022A321 (3)

Text

BFN-26 Table 7.3-1 (Deleted by Amendment 9)

BFN-26 TABLE 7.3-2 (Sheet 1)

PRIMARY CONTAINMENT ISOLATION SYSTEM INSTRUMENT SPECIFICATIONS Isolation*

Signal Isolation Function Sensor Trip Setting/

Analytical Limit (AL)

A Reactor vessel low water level differential pressure indicating switch 518 inches above vessel zero (AL)

B Reactor vessel low-low water level differential pressure indicating switch 372.5 inches above vessel zero (AL)

D Main steam line space high temperature temperature switch 205°F (AL) for 12/3-TS-1-17A thru D/

thru D

Main steam line high flow PDIS-1-13A-D, 25A-D, 36A-D, 50A-D differential pressure switch 144% rated flow (AL)

E HPCI diaphragm Rupture Disc high pressure pressure switch 52 psig (AL)

P Main steam line low pressure pressure switch 843 psig F

Primary containment high pressure pressure switch 2.6 psig (AL)

K RCIC turbine steam line space RCIC pump room area high temperature temperature switch 180°F (AL)

K RCIC Turbine steam line space torus area high temperature temperature switch 155°F (AL)

K RCIC turbine steam line high flow differential pressure switch 1114 inch H20 (AL)

K RCIC turbine steam line low pressure pressure switch 40 psig (AL)

L HPCI turbine steam line space HPCI Pump Room Area high temperature temperature switch 200°F (AL)

BFN-26 TABLE 7.3-2 (Sheet 2)

PRIMARY CONTAINMENT ISOLATION SYSTEM INSTRUMENT SPECIFICATIONS Isolation*

Signal Isolation Function Sensor Trip Setting/

Analytical Limit (AL)

L HPCI Turbine Steam Line Space Torus Area High Temperature temperature switch 180°F (AL)

L HPCI turbine steam line high flow differential pressure switch 107 psid (AL)

L HPCI turbine steam line low pressure pressure switch 55 psig (AL)

Z Reactor Building ventilation exhaust high radiation radiation monitor 100 mr/hr J

Reactor Water Cleanup System Main Steam Valve Vault (TE-069-834A-D)

RTD U2 190°F (AL)

U3 205°F (AL)

J Reactor Water Cleanup System Pipe Trench (TE-069-835A-D)

RTD 140°F (AL)

J Reactor Water Cleanup System Pump Room 2A (TE-069-836A-D)

RTD 148°F*

J Reactor Water Cleanup System Pump Room 2B (TE-069-837A-D)

RTD 148°F*

J Reactor Water Cleanup System Heat Exchanger Room (TE-069-838A-D)

RTD U2 160°F (AL)

U3 175°F (AL)

J Reactor Water Cleanup System Heat Exchanger Room (TE-069-839A-D)

RTD U2 172°F (AL)

U3 173°F (AL)

G RCIC diaphragm rupture disc high pressure Pressure switch 50 psig (AL)

• See Table 5.2-2 for Isolation Signal Codes.