ML052730323
| ML052730323 | |
| Person / Time | |
|---|---|
| Site: | River Bend  (NPF-047) |
| 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
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