ML20083D878
| ML20083D878 | |
| Person / Time | |
|---|---|
| Site: | Fermi  |
| Issue date: | 09/24/1991 |
| From: | DETROIT EDISON CO. |
| To: | |
| Shared Package | |
| ML20083D876 | List: |
| References | |
| NUDOCS 9110020004 | |
| Download: ML20083D878 (1) | |
Text
,
TABLE 3.3.6
- CONTROL R0D BLOCK INSTRUMENTATION SETPOINTS E TRIP FUNCTION TRIP SETPOINT ALLOWABLE VALUE mye
~ 1.
R00 BLOCK MONITOR a.
Upscale As specified in the As specified in the i
g; o
E CORE OPERATING CORE OPERATING 38 5
LIMITS REPORT LIMITS REPORT 88 m
g b.
Inoperative NA NA c.
Downscale 2 94% of Reference Level 2 92.3% of Reference Level 1.
33 oo no m5to 2.
@T**
a.
Flow Biased Neutron Flux - High
- 1) During two recirculation s 0.66 W + 58%*
$ 0.66 W + 61%*
loop operation with a maximum of with a maximum of 108%
110%
- 2) During single recirculation s 0.66 W + 52.7%#*
5 0.66 W + 55.7%#*
w1 loop operation b.
Inoperative NA NA w
1 c.
Downscale
> 5% of RATED THERMAL POWER
> 3% of RATED THERMAL POWER d.
Neutron Flux - Upscale, Setdown 512%ofRATEDTHERMALPOWER i14%ofRATEDTHERMALPOWER 3.
SOURCE RANGE MONITORS a.
Detector not full in NA NA 5
5 b.
Upscale 1 1.0 x 10 cps s 1.6 x 10 cps c.
Inoperative NA NA d.
Downscale 2 3 cps **
2 2 cps **
M a
- The APRM rod block function is varied as a function of rectreulation icop drive flow (W).
t
- May be reduced to 3 0.7 cps provided the signal-to-noise ratio 3 20.
PDuring single recirculation loop operation, rather than adjusting the APRM Flew Biased setpoints to cor'ely with the sirgle loop values the gain of h
the APRus may be adjusted for a period not to exceed 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> such that the final APEM readings are at least 5.3% of rated power greater than 100%
times FRTP. provided that the adjusted APRM readings do not exceed 100% of RATED THERMAL PCWER and a notice of adjustmer:t is posted on the reactor n
ecntrol parel.
N E
I L