ML20215E154
| ML20215E154 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 10/08/1986 |
| From: | NRC |
| To: | |
| Shared Package | |
| ML20215E156 | List: |
| References | |
| NUDOCS 8610150085 | |
| Download: ML20215E154 (2) | |
Text
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TABLE TS.3.15-1 y EVENT MONITORING INSTRUMENTATION - PROCESS & CONTAINMENT Required Total No.
Minimum Channels Instrument of Channels Operable
- 1. Pressurizer Water Level 2
1
- 2. Auxiliary Feedwater Flow to Steam Generators 2/ steam gen 1/ steam gen (One Channel Flow and One Channel Wide Range Level for Each Steam Generator)
- 3. Reactor Coolant System Subcooling Margin 2
1
- 4. Pressurizer Power Operated Relief Valve Position 2/ valve 1/ valve (One Common Channel Temperature, One Channel Limit Switch per Valve, and One Channel Acoustic Sensor per Valve *)
- 5. Pressurizer Power Operated Relief Block Valve Position 2/ valve 1/ valve (One Common Channel Temperature, One Channel Limit Switch per Valve, and One Channel Acoustic Sensor per Valve *)
l
- 6. Pressurizer Safety Valve Position 2/ valve 1/ valve (One Channel Temperature per Valve and Common l
Acoustic Sensor **)
- 7. a. Containment Water Level (wide range) 2 1
- b. Containment Water Level (narrow range) 2 1
r+ r+ 8. Containment Hydrogen Monitor (2 sensors per Channel) 2 1
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g g 9. Containment Pressure (wide range) 2 1
gy
- er osml0. Core Exit Thermocouples 4/ core quadrant 2/ core quadrant E
861019008S 861008 g
ADOCKOSOOg2 g
PDR mm w
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i 3*
- A common acoustic sensor provides backup position indication for each pressurizer power operated y
3 relief valve and its associated block valve.
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- The acoustic sensor channel is common to both valves. When operable, the acoustic sensor may be considered as an operable channel for each valve.
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Distribution Copies:
EDechetJ11esL NRC PDR Local PDR PAD #1 r/f PAD #1 p/f
~TNovak, Actg. DD NThompson, DHFT OGC-Bethesda EJordan BGrimes JPartlow Glear PShuttleworth DDilanni ACRS (10)
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