ML043240305
| ML043240305 | |
| Person / Time | |
|---|---|
| Site: | Watts Bar  |
| Issue date: | 11/19/2004 |
| From: | NRC/NRR/DLPM |
| To: | Tennessee Valley Authority |
| Patel C P, NRR/DLPM, 415-3025 | |
| References | |
| TAC MC4979 | |
| Download: ML043240305 (1) | |
Text
Remote Shutdown System 3.3.4 Table 3.3.4-1 (page 1 of 1)
Remote Shutdown System Instrumentation and Controls FUNCTION/rNSTRLMIENT REQUIRED OP. CONTROL PARAMETER NMIBER OF FUNCTIONS
- 1.
Reactivity Control
- a.
Source Range Neutron Flux
- b.
Reactor Trip Breaker Position Indication
- 2.
Reactor Coolant System (RCS) Pressure Control
- a.
Pressurizer Pressure Indication or RCS Wide Range Pressure Indication
- b.
Pressurizer Power Operated Relief Valve (PORV) Control and Pressurizer Block Valve Control C.
Pressurizer Heater Control
- 3.
RCS Inventory Control
- a.
Pressurizer Level Indication
- b.
Charging and Letdown Flow Control and Indication
- 4.
Decay Heat Removal via Steam Generators (SGs)
- a.
RCS Hot Leg Temperature Indication
- b.
AFW Controls C.
SG Pressure Indication and Control
- d.
SG Level Indication and AFW' Flow Indication
- e.
SG T. Indication
- 5.
Decay Heat Removal via RHR System
- a.
RHR Flowv Control
- b.
RHRTempermture Indication I per trip breaker I each per relief path I per loop (Refer to Note A below)
I I per SO I per SO I per SG I
Notes:
A.
For Function 4a, the temperature indicator for RCS hot leg 4 is not required to be operable for the remainder of Cycle 6.
Watts Bar-Unit 1 3.3 -48 Amendment No.
53