ML061010260

Technical Specification Pages Re Allowable Value for Reactor Trip System

ML061010260
Person / Time
Site:	Sequoyah
Issue date:	04/06/2006
From:	Office of Nuclear Reactor Regulation
To:
References
TAC MC8246, TAC MC8247
Download: ML061010260 (2)

Text

FUNCTIONAL UNIT TRIP SETPOINT ALLOWABLE VALUES

b. RCS Loop AT Equivalent to Power > 50% RTP Coincident with Steam Generator Water Level--Low-Low(Adverse) and 2 15.0% of narrow range instrument span

> 14.4% of narrow range instrument span Containment Pressure (EAM)

• 0.5 psig

< 0.6 psig or Steam Generator Water Level--Low-Low (EAM) 2 10.7% of narrow range instrument span

> 10.1% of narrow range instrument span

14. Deleted

15. Undervoltage-Reactor Coolant Pumps

16. Underfrequency-Reactor Coolant Pumps

Ž 5022 volts-each bus 2 56 Hz - each bus

> 4739 volts - each bus

> 55.9 Hz - each bus

17. Turbine Trip A. Low Trip System Pressure B. Turbine Stop Valve Closure

Ž 45 psig 2 1% open

> 43 psig

• I

> 1% open

18.

Safety Injection Input from ESF Not Applicable Not Applicable

• The allowable value for the Turbine Trip - Low Trip System Pressure is 2 39.5 psig and expires at Ihe end cf the Unit 2 Cycle 15 Operating Cycle.

I SEQUOYAH - UNIT 2 2-7 Amendment No. 7, 76,132, 296

FUNCTIO)NAL UNIT TRIP SETPOINT ALLOWABLE VALUES

b. FRCS Loop AT Equivalent to Power > 50% RTP Coincident with Steam Generator Water Level--Low-Low(Adverse) and 2 15.0% of narrow range instrument span 2 14.4% of narrow range instrument span Containment Pressure (EAM)

S 0.5 psig 5 0.6 psig or Steam Generator Water Level--Low-Low (EAM) 2 10.7% of narrow range instrument span 2 10.1% of narrow range instrument span

14. Deleted

15. Undervoltage-Reactor Coolant Fumps

16. Unde-frequency-Reactor Coolant Pumps 2 5022 volts-each bus 2 56 Hz - each bus 2 4739 volts - each bus 2 55.9 Hz - each bus

17. Turbine Trip A. Low Trip System Pressure B. Turbine Stop Valve Closure 2 45 psig 2 1% open

Ž 43 psig

• I

> 1% open

18.

Safety Injection Input from ESF Not Applicable Not Applicable

• The allowable value for the Turbine Trip - Low Trip System Pressure is 2 39.5 psig and expires at the end of :he Unit 2 Cycle 15 Operating Cycle.

I SEQUOYAH - UNIT 2 2-7 Amendment No.7, 76, 132, 296