ML052730323

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Tech Spec Page for Amendment 147 Regarding Corrections to Loss of Power Instrumentation Requirements
ML052730323
Person / Time
Site: River Bend Entergy icon.png
Issue date: 09/15/2005
From:
NRC/NRR/DLPM
To:
Kalynanam Nageswaram, NRR/DLPM,415-1480
References
TAC MC8227
Download: ML052730323 (1)


Text

LOP Instrumentation 3.3.8.1 Table 3.3.8.1-1 (page 1 of 1)

Loss of Power Instrumentation REQUIRED CHANNELS PER SURVEILLANCE DIVISION REQUIREMENTS ALLOWABLE VALUE FUNCTION

1.

Divisions 1 and 2 - 4.16 kV Emergency Bus Undervoltage

a.

Loss of Voltage - 4.16 kV basis b.

C.

Loss of Voltage - Time Delay Degraded Voltage - 4.16 kV basis 3

3' 3

3-3-

SR 3.3.8.1.1 SR 3.3.8.1.2 SR 3.3.8.1.3 SR 3.3.8.1.4 SR 3.3.8.1.2 SR 3.3.8.1.3 SR 3.3.8.1.4 SR 3.3.8.1.1 SR 3.3.8.1.2 SR 3.3.8.1.3 SR 3.3.8.1.4 SR 3.3.8.1.2 SR 3.3.8.1.3 SR 3.3.8.1.A SR 3.3.8.1.2 SR 3.3.8.1.3 SR 3.3.8.1.4 2Ž2850 V and s 3090 V 2 2.67 seconds and S 3.33 seconds 2 3689.0 V and s 3735.2 V

d.

Degraded Voltage - Time Delay, No LOCA

e.

Degraded Voltage - Time Delay, LOCA

2.

Division 3 - 4.16 kV Emergency Bus Undervoltage 2Ž53.4 seconds and s 66.6 seconds 2Ž4.5 seconds and S 5.7 seconds

a.

Loss of Voltage - 4.16 kV basis 2

SR 3.3.8.1.1 2 2831 V ands 3259 V SR 3.3.8.1.3 SR 3.3.8.1.4

b.

Loss of Voltage - Time Delay 2

SR 3.3.8.1.3 2Ž2.67 seconds and SR 3.3.8.1.4 s 3.33 seconds

c.

Degraded Voltage -4.16 kV basis 2

SR 3.3.8.1.1

Ž3674.0 V and s 3721.2 V SR 3.3.8.1.2 SR 3.3.8.1.3 SR 3.3.8.1.4

d.

Degraded Voltage -Time Delay, No 2

SR 3.3.8.1.2 2Ž53.4 seconds and LOCA SR 3.3.8.1.3 s66.6 seconds SR 3.3.8.1.4

e.

Degraded Voltage - Time Delay.

2 SR 3.3.8.1.2 2Ž4.5 seconds and LOCA SR 3.3.8.1.3 S5.7 seconds SR 3.3.8.1.4 On a one-time basis, the Required Channels Per Division Is changed from *3' to '1' for Functions 1.b, 1.d. and 1.e. Also on a one-time basis, the requirements of SR 3.3.8.1.2 are not applicable to Functions 1.b, 1.d, 1.e, and 2.d. These one-lime changes expire on June 1, 2006.

RIVER BEND 3.3-74 Amendment No. 81 95 428, 147