ML20086A155
| ML20086A155 | |
| Person / Time | |
|---|---|
| Site: | Pilgrim |
| Issue date: | 06/22/1995 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20086A158 | List: |
| References | |
| NUDOCS 9507030087 | |
| Download: ML20086A155 (3) | |
Text
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.i PNPS Table 3.1.1 REACTOR PROTECTION SYSTEM (SCRAM) INSTRUMENTATION REQUIREMENT Operable Inst.
Modes in Which Function II)
TTj Channels per Trip Function Trip Level Setting Must Be; Operable Action 50 Trin System (1)
Refuel (7)
Startup/ Hot Run o
MinimumiAvai1.
Standby
>W 80 1
1 Mode Switch in Shutdown X
X X
'A ntn 1
1 Manual Scram X
X X
-<120/125 of full scale X
X (5)
A 0 0-3 4
liigh Flux
'Oh 3
4 Inoperative X
X (5)
A S4 W
APRM 2
3 liigh Flux (15)
(17)
'(17)
X A or B 2
3 Inoperative (13)
X X(9)
X A or B 2
3 liigh Flux (15%)
515% of Design Power X
X (16)
A or B 2
2 liigh Reactor Pressure
$1063.5 psig X(10)
X X
A 2
2 liigh Drywell Pressure 52.22 psig X(8)
X(8)
X A
2 2
Reactor Low Water Level 211.6 In. Indicated Level X
X X
A l
SDIV liigh Water Level:
$38 Gallons X(2)
X X
A 2
2 East 2
2 West 4
4 Main Steam Line Isolation Valve Closure
$10% Valve Closure X(3)(6)
X(3)(6)
X(6)
A or C 2
2 Turbine Control Valve 2150 psig Control Oil Fast Closure Pressure at Acceleration Relay X(4)
X(4)
X(4)
A or D 4
4 Turbine Stop Valve
$10% Valve Closure X(4)
X(4)
X(4)
A or D Closure Revision 177 15;-42 -86;-92;-117; 133;-147;-151;-l%2;-154,164 3/4.1-2 Amendment No.
1
.J t.w -
PNPS v
TABLE 3.2.A INSTRUMENTATION THAT INITIATES PRIMARY CONTAINMENT ISOIATION -
Operable Instrument Channels Per Trip Sys t ere Q1
' Action (2)
Minimum Available Instrument Trip Level Setting 2(7) 2 Reactor Low Water Level
>11.6" indicated level (3)
- A and D l
i 1
1:
Reactor liigh ~ Pressure
$110 psig D
1 2
2 Reactor Low-Low Water Level at or above_- 46.4 in.
. A l~
indicated level (4) 2 2
Reactor High Water Level
$55.4" indicated level (5)
B l
2(7) 2 liigh Drywell Pressure
$2.22 psig A
2 2
Low Pressure Main Steam Line 2810 psig (8)
B 2(6) 2 liigh Flow Main Steam Line
$136% of rated steam flow B
2 2
Main Steam Line Tunnel Exhaust Duct High Temperature
' 5170"F B
2 2
Turbine Basement Exhaust Duct liigh Temperature
$150 F B
1 1
Reactor Cleanup ~ System
-liigh Flow
- 5300% of rated flow C
2 2
Reactor Cleanup System High Temperature.
$150 F C.
Revision 177 34 86,-147;-150;-151 -154,164 3/4.2 Amendment No.
7 3
7 2
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m w
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- l NOTES FOR TABI.E 3. 2. A (Cont) 3.
Instrument set point corresponds to 137.86 inches above top of active fuel.
4 Instrument set point corresponds to 79.86 inches above top of active fuel.
5.
Not required in Run Mode (bypassed by Mode Switch).
6.
Two required for each steam line.
7.
These signals also start SBGTS and initiate secondary containment isolation.
8.
Only required in Run Mode (interlocked with Mode Switch).
9.
Deleted.
l i
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l l
I i
Revision 177 Amendment No. 1475-151 -154,1 64 3/4.2-9 5
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