ML24191A325
| ML24191A325 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 05/06/2024 |
| From: | Ameren Missouri, Union Electric Co |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML24191A265 | List:
|
| References | |
| ULNRC-06877 | |
| Download: ML24191A325 (1) | |
Text
CALLAWAY PLANT 3.2-i CHAPTER TABLE OF CONTENTS CHAPTER 3.2 POWER DISTRIBUTION LIMITS Section Page 3.2.1 Heat Flux Hot Channel Factor (FQ(Z))
(FQ Methodology)................................................................................................ 3.2-1 ACTIONS........................................................................................................ 3.2-1 SURVEILLANCE REQUIREMENTS............................................................... 3.2-3 3.2.2 Nuclear Enthalpy Rise Hot Channel Factor ( ).................................................... 3.2-6 ACTIONS........................................................................................................ 3.2-6 SURVEILLANCE REQUIREMENTS............................................................... 3.2-8 3.2.3 AXIAL FLUX DIFFERENCE (AFD) (Relaxed Axial Offset Control (RAOC) Methodology)........................................................................... 3.2-9 ACTIONS...................................................................................................... 3.2-9 SURVEILLANCE REQUIREMENTS............................................................... 3.2-9 3.2.4 QUADRANT POWER TILT RATIO (QPTR)..................................................... 3.2-10 ACTIONS.................................................................................................... 3.2-10 SURVEILLANCE REQUIREMENTS............................................................. 3.2-13
CALLAWAY PLANT 3.2-1 Amendment No. 133 FQ(Z) (FQ Methodology) 3.2.1 3.2 POWER DISTRIBUTION LIMITS 3.2.1 Heat Flux Hot Channel Factor (FQ(Z))(FQ Methodology)
, as approximated by and
, shall be within the limits specified in the COLR.
APPLICABILITY:
MODE 1.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
not within limit.
A.1 Reduce THERMAL POWER 1% RTP for each 1%
exceeds limit.
AND 15 minutes after each determination A.2 Reduce Power Range Neutron Flux High trip setpoints 1% for each 1%
exceeds limit.
AND 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> after each determination A.3 Reduce Overpower T trip setpoints 1% for each 1%
exceeds limit.
AND 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> after each determination A.4 Perform SR 3.2.1.1.
Prior to increasing THERMAL POWER above the limit of Required Action A.1 (continued)
FQ Z
( )
FC Q Z
( )
FW Q Z
( )
FC Q Z
( )
FC Q Z
( )
FC Q Z
( )
FC Q Z
( )
FC Q Z
( )
FC Q Z
( )
FC Q Z
( )
FQ(Z) (FQ Methodology) 3.2.1 ACTIONS (continued)
CALLAWAY PLANT 3.2-2 Amendment No. 133 B.
not within limits.
B.1 Reduce AFD limits 1%
for each 1%
exceeds limit.
4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> C.
Required Action and associated Completion Time not met.
C.1 Be in MODE 2 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> CONDITION REQUIRED ACTION COMPLETION TIME FW Q Z
( )
FW Q Z
( )
FQ(Z) (FQ Methodology) 3.2.1 CALLAWAY PLANT 3.2-3 Amendment No. 202 SURVEILLANCE REQUIREMENTS
NOTE -----------------------------------------------------------
During power escalation following shutdown, THERMAL POWER may be increased until an equilibrium power level has been achieved, at which a power distribution map is obtained.
SURVEILLANCE FREQUENCY SR 3.2.1.1 Verify is within limit.
Once after each refueling prior to THERMAL POWER exceeding 75% RTP AND Once within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after achieving equilibrium conditions after exceeding, by 10% RTP, the THERMAL POWER at which was last verified AND In accordance with the Surveillance Frequency Control Program (continued)
FC Q Z
( )
FC Q Z
( )
FQ(Z) (FQ Methodology) 3.2.1 SURVEILLANCE REQUIREMENTS (continued)
CALLAWAY PLANT 3.2-4 Amendment No. 182 SR 3.2.1.2
NOTE ------------------------------
If measurements indicate maximum over z has increased since the previous evaluation of a.
Increase by the appropriate factor specified in the COLR and reverify is within limits; or b.
Repeat SR 3.2.1.2 once per 7 EFPD until two successive power distribution measurements indicate.
maximum over z has not increased.
Verify is within limit Once after each refueling prior to THERMAL POWER exceeding 75%
RTP AND (continued)
SURVEILLANCE FREQUENCY FC Q Z
( )
FC Q Z
( )
K Z
( )
FC Q Z
( )
FW Q Z
( )
FW Q Z
( )
FC Q Z
( )
K Z
( )
FW Q Z
( )
FQ(Z) (FQ Methodology) 3.2.1 SURVEILLANCE REQUIREMENTS CALLAWAY PLANT 3.2-5 Amendment 202 SR 3.2.1.2 (continued)
Once within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after achieving equilibrium conditions after exceeding, by 10% RTP, the THERMAL POWER at which was last verified AND In accordance with the Surveillance Frequency Control Program SURVEILLANCE FREQUENCY
CALLAWAY PLANT 3.2-6 Amendment No. 133 3.2.2 3.2 POWER DISTRIBUTION LIMITS 3.2.2 Nuclear Enthalpy Rise Hot Channel Factor (
)
LCO 3.2.2 shall be within the limits specified in the COLR.
APPLICABILITY:
MODE 1.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
NOTE -------------
Required Actions A.2 and A.3 must be completed whenever Condition A is entered.
not within limit.
A.1.1 Restore to within limit.
OR A.1.2.1 Reduce THERMAL POWER to < 50% RTP.
AND 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> 4 hours A.1.2.2 Reduce Power Range Neutron Flux - High trip setpoints to 55% RTP.
AND 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> A.2 Perform SR 3.2.2.1.
AND 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> (continued)
FN H
FN H
FN H
FN H
FN H
3.2.2 ACTIONS FN H
CALLAWAY PLANT 3.2-7 Amendment 133 A.
(continued)
A.3
NOTE ------------
THERMAL POWER does not have to be reduced to comply with this Required Action.
Perform SR 3.2.2.1.
Prior to THERMAL POWER exceeding 50% RTP AND Prior to THERMAL POWER exceeding 75% RTP AND 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after THERMAL POWER reaching 95% RTP B.
Required Action and associated Completion Time not met.
B.1 Be in MODE 2.
6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> CONDITION REQUIRED ACTION COMPLETION TIME
3.2.2 FN H
CALLAWAY PLANT 3.2-8 Amendment No. 202 SURVEILLANCE REQUIREMENTS
NOTE -----------------------------------------------------------
During power escalation following shutdown, THERMAL POWER may be increased until an equilibrium power level has been achieved, at which a power distribution map is obtained.
SURVEILLANCE FREQUENCY SR 3.2.2.1 Verify is within limits specified in the COLR.
Once after each refueling prior to THERMAL POWER exceeding 75% RTP AND In accordance with the Surveillance Frequency Control Program FN H
CALLAWAY PLANT 3.2-9 Amendment No. 202 AFD (RAOC Methodology) 3.2.3 3.2 POWER DISTRIBUTION LIMITS 3.2.3 AXIAL FLUX DIFFERENCE (AFD) (Relaxed Axial Offset Control (RAOC) Methodology)
LCO 3.2.3 The AFD in % flux difference units shall be maintained within the limits specified in the COLR.
NOTE --------------------------------------------
The AFD shall be considered outside limits when two or more OPERABLE excore channels indicate AFD to be outside limits.
APPLICABILITY:
MODE 1 with THERMAL POWER 50% RTP.
ACTIONS SURVEILLANCE REQUIREMENTS CONDITION REQUIRED ACTION COMPLETION TIME A.
AFD not within limits.
A.1 Reduce THERMAL POWER to < 50% RTP.
30 minutes SURVEILLANCE FREQUENCY SR 3.2.3.1 Verify AFD within limits for each OPERABLE excore channel.
In accordance with the Surveillance Frequency Control Program
CALLAWAY PLANT 3.2-10 Amendment No. 133 QPTR 3.2.4 3.2 POWER DISTRIBUTION LIMITS 3.2.4 QUADRANT POWER TILT RATIO (QPTR)
LCO 3.2.4 The QPTR shall be 1.02.
APPLICABILITY:
MODE 1 with THERMAL POWER > 50% RTP.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
QPTR not within limit.
A.1 Reduce THERMAL POWER 3% from RTP for each 1% of QPTR
> 1.00.
AND 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> after each QPTR determination A.2 Determine QPTR.
AND Once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> A.3 Perform SR 3.2.1.1, SR 3.2.1.2 and SR 3.2.2.1.
24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after achieving equilibrium conditions from a THERMAL POWER reduction per Required Action A.1 AND Once per 7 days thereafter AND (continued)
QPTR 3.2.4 ACTIONS CALLAWAY PLANT 3.2-11 Amendment 133 A.
(continued)
A.4 Reevaluate safety analyses and confirm results remain valid for duration of operation under this condition.
AND Prior to increasing THERMAL POWER above the limit of Required Action A.1 A.5
NOTES -----------
1.
Perform Required Action A.5 only after Required Action A.4 is completed.
2.
Required Action A.6 shall be completed whenever Required Action A.5 is performed.
Normalize excore detectors to restore QPTR to within limit.
AND Prior to increasing THERMAL POWER above the limit of Required Action A.1 (continued)
CONDITION REQUIRED ACTION COMPLETION TIME
QPTR 3.2.4 ACTIONS CALLAWAY PLANT 3.2-12 Amendment 133 A.
(continued)
A.6
NOTE ------------
Perform Required Action A.6 only after Required Action A.5 is completed.
Perform SR 3.2.1.1, SR 3.2.1.2 and SR 3.2.2.1.
24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after achieving equilibrium conditions not to exceed 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> after increasing THERMAL POWER above the limit of Required Action A.1 B.
Required Action and associated Completion Time not met.
B.1 Reduce THERMAL POWER to 50% RTP 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> CONDITION REQUIRED ACTION COMPLETION TIME
QPTR 3.2.4 CALLAWAY PLANT 3.2-13 Amendment No. 202 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.2.4.1
NOTE ------------------------------
1.
With input from one Power Range Neutron Flux channel inoperable and THERMAL POWER 75% RTP, the remaining three power range channels can be used for calculating QPTR.
2.
SR 3.2.4.2 may be performed in lieu of this Surveillance.
Verify QPTR is within limit by calculation.
In accordance with the Surveillance Frequency Control Program SR 3.2.4.2
NOTE ------------------------------
Not required to be performed until 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after input from one or more Power Range Neutron Flux channels are inoperable with THERMAL POWER
> 75% RTP.
Verify QPTR is within limit using power distribution measurement information.
In accordance with the Surveillance Frequency Control Program