ML18057A416
| ML18057A416 | |
| Person / Time | |
|---|---|
| Site: | Palisades  |
| Issue date: | 08/21/1990 |
| From: | CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | |
| Shared Package | |
| ML18057A413 | List: |
| References | |
| NUDOCS 9008300150 | |
| Download: ML18057A416 (3) | |
Text
[
- 1.
- 2.
TABLE 2. 3.-1 Reactor Protective System Trip -Setting Limits Varia~tJ High
. Power Primary Coolant Flow ( 2)
Four Primary Coolant
- - - Pumps Operating -
~10% above core power, with a minimum setpoint of ~30% of rated power and a maximum of :ii106. 5%
of rated power
!?:95% of Primary Coolant Flow With Four Pumps Operating Three Primary Coot~yt
-- -Pumps Operating
~10% above ~,qrn power with a minimum setpoint of ~15% rat~.d.:: power and a maxim~.nu ~f :ii4 9%
of rated power
!?:60% of PriJ!l.a~y Cool-ant Flow With Four Pumps Operating
- 3.
High Pressure Pressurizer
~2255 Psia
- ii2255 Psia
- 4.
Thermal ¥2r§fn/Low Pressure Ptrip !?: Applicable Limits Replaced by )l;a;iable High Power Trip and 1750 Psia Minimum Low-Pressure Setting
- 5.
- 6.
- 7.
(1)
(2)
(3)
(4)
Steam Generator Not Lower Than the Cen-Not Lower Than the Cen-Low Water Level ter Line of Feed-Water ter Line of Feed-Water Ring Ring Steam Generat~)
!?:500 Psia 1?:500 Psia Low Pressure Containment High
- ii3.70 Psig
- ii3.70 Psig Pressure The VHPT can be 30% of rated power for power levels :ii 20% of iz,q_t~d power.
_4 May be bypassed below 10
% of rated power provided auto bypass removal circuitry is operable.
For low power physics tests, thermal margin/low pressure, primary coolant flow and low steam generator pressure trips may be bypassed until their react points are reached (approximately 1750 psia and SQ~ psia, respectively), provided automatic bypass removal circuitry at 10
% rated power is operable.
Minimum trip setting shall be 1750 psia.
Operation with three pumps for a maximum of 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> is permitted to provide a limited time for repair/pump restart, to provide for an orderly shutdown or to provide for the conduct of reactor internals noise monitoring test measurements.
90083001 so 90082
) {
- ~I
~DR ADOCK 05000~ssLJ* _,j_.
- PNU
~ ~ -
2-5 Amendment No it, S0, llS TSP0690-0181-NL04 I
I I
TSP0690-0181-NL04 ATTACHMENT Consumers Power Company Palisades Plant Docket 50-255 MARKED UP TECHNICAL SPECIFICATION PAGE August 21, 1990 1 Page
..t
- l.
- 2.
- 3.
- 4.
TABLE 2.3.l Reactor Protective System Trip Setting Limits Varia~t1 High.
Power Primary
- Coolant Flow<2>
High Pressure Pressurizer Thermal ¥!r§fn/Low Pressure Four Primary Coolant Pumps Operating
- iil0% above core power, with a minimum setpoint of S30% of rated power and a maximum of :iil06.5%
of rated power
~95%. of Primary Coolant Flow With Four Pumps Operating
- ii2255 Psia P
~ Applicable Limits trip Three Primary Cootft~t Pumps Operating S10% above core power with a minimum setpoint of Sl5% rated power and a maximum of :ii49%
of rated power
~60% of Primary Cool-ant Flow With Four Pumps Operating
- ii2255 Psia Replaced by Variable High Power Trip and 1750 Psia Minimum Low-*
Pressure Setting
- 5.
Steam Generator Low Water Level Not Lower Than the Cen-ter Line of Feed~Water Ring Wltieh Is Located 6' 9" Below No1mal Water LeJJel Not Lower Than the Can-*
ter Line of Feed-Water Ring Which Is te6ated
/
6' 9" Belew Nemal.
f Water Level
/
- 6.
Steam Generaf~j Low Pressure
~500 Psia
~500 Psia
- 7.
Containment High Pressure SJ. 70 Psig SJ.70 Psig (1)
(2)
(3)
(4)
The VHPT can be 30% of rated power.for power levels :ii 20% of rated power.
_4 May be bypassed below 10 % of rated power provided auto bypass removal circuitry is operable. For lov power physics tests, thermal margin/low.
pressure. primary coolant flov and lov steam generator pressure trips ma,--*
be bypa*aed until their react points are reached (approximately 1750 psia and 5~ p*ia. respectively), provided automatic bypass removal circuitry at 10 I rated power is operable.
Minimua trip setting shall be 1750 psia.
- Operation with.three pumps for a maximum of 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> is permitted to provide a limited time for repair/pump restart, to provide for an orderly shutdown or to provide for the conduct of reactor internals noise monitoring test measurements.
2-5 Amendment No Jt, 89, /_tj, Novambe!' U, 1988
- TSP1088-0181-Ht04 I