ML20044G788
| ML20044G788 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 05/24/1993 |
| From: | CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | |
| Shared Package | |
| ML20044G593 | List: |
| References | |
| NUDOCS 9306040273 | |
| Download: ML20044G788 (4) | |
Text
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ATTACHMENT 1 CONSUMERS POWER COMPANY BIG ROCK POINT PLANT DOCKET 50-155 PROPOSED TECHNICAL SPECIFICATION PAGE i
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.9306040273 930524 PDR ADOCK 05000155 P
6.1.2 (Contd).
Trip Contacts Coincidence Scram Setting Warning Sensor and in Each in Each and Instrument Annunciation Trio Device Channel Channel Tolerance Special Features
___ Ranaes Trio Set Point High Condenser 2
1 Out of 2 8.010.5" of Hg Bypassed by pressure 0 - 30" Hg Vac Pressure (4 Pres-Absolute Pres-interlock as described sure Switches) sure in Section 6.1.3.
High enclosure 2
1 out of 2 s 1.0 psi above Closes containment 0 - 20 psig pressure (4 pres-atmospheric sphere isolation sure switches) valves High scram dump 2
1 out of 2 5/16 i 1/2 inch Alarms at level of Fixed level at
-10" i 1/2" below tank level (4 below tank 10 inches below tank trip point tank center line level switches) center line center line (no range)
Recirculation 12 I set out Approximately Position switch lina valves of 2 10 percent of adjustable for closed (two sets full simulta-full valve of 6 position neous closure travel switches-in each of both discharge of-2 channels) or both suction valves or any com-bination of both of these valves, one in each loop
. Loss of auxiliary I'
1 out of 1 2 32 Vac Closes all automatically
/
. power supply Limiting Setpoint actuated containment
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(CB-REllA & CB-REllB) sphere isolation valves *
/
undervoltage release
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device)
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- Loss of Reactor Protection System (RPS) Bus voltage from both motor-generator sets causes enclosure isolation via
/
the fail-safe operation of the RPS per loss of power and not by virtue of the undervoltage release device associated
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with CB-REll.
/
51 AS PROPOSED-
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l ATTACHMENT 2 l
CONSUMERS POWER COMPANY BIG ROCK POINT PLANT l
DOCKET 50-155 i
EXISTING TECHNICAL SPECIFICATION PAGE i
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1 PAGE
INFORMATION CO?Y r
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Trip Warning Contacts Coincidence Scram Setting Annunciation Instrument Sensor and in Each in Each and Ranges Trip Set Point Trip Device Channel Channel Tolerance Special Features 0 - 30" Hg Vac 2
1 Out of 2 8.010.5" of Hg Bypassed by pressure High condenser Absolute Pres-interlock as described Pressure (4 Pres-in Section 6.1.3.
sure sure Switches) 2 1 out of 2
$ 1.0 psi above Closes containment 0 - 20 pois
/
High enclosure atmospheric sphere isolation pressure (4 pres-valves sure switches) 2 1 out of 2 5/16 2 1/2 inch Alarms at level of Fixed level at
-10" 2 1/2" bel High scram dump below tank 10 inches below tank trip point tank center lin tank level (4 center line center line (no range) level switches)
Position switch Recirculation 12 1 set out Approximately adjustable for of 2 10 percent of full valve line valves full sinalta-travel closed (two sets neous closure of 6 position of both discharge switches in each or both section of 2 channels) j valves or any com-
,,a bination of both of d0 these valves, one
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Loss of auxiliary 1
1 out of 1 10 0 20..",;
Closes all automatica11
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