ML21194A277
Text
CALLAWAY PLANT 3.5-i CHAPTER TABLE OF CONTENTS CHAPTER 3.5 EMERGENCY CORE COOLING SYSTEMS (ECCS)
Section Page 3.5.1 Accumulators...................................................................................................... 3.5-1 ACTIONS........................................................................................................ 3.5-1 SURVEILLANCE REQUIREMENTS............................................................... 3.5-2 3.5.2 ECCS - Operating.............................................................................................. 3.5-4 ACTIONS........................................................................................................ 3.5-4 SURVEILLANCE REQUIREMENTS............................................................... 3.5-5 3.5.3 ECCS - Shutdown............................................................................................... 3.5-7 ACTIONS........................................................................................................ 3.5-7 SURVEILLANCE REQUIREMENTS............................................................... 3.5-8 3.5.4 Refueling Water Storage Tank (RWST)............................................................. 3.5-9 ACTIONS........................................................................................................ 3.5-9 SURVEILLANCE REQUIREMENTS............................................................. 3.5-10 3.5.5 Seal Injection Flow............................................................................................ 3.5-11 ACTIONS...................................................................................................... 3.5-11 SURVEILLANCE REQUIREMENTS............................................................. 3.5-12
CALLAWAY PLANT 3.5-1 Amendment No. 133 Accumulators 3.5.1 3.5 EMERGENCY CORE COOLING SYSTEMS (ECCS) 3.5.1 Accumulators LCO 3.5.1 Four ECCS accumulators shall be OPERABLE.
APPLICABILITY:
MODES 1 and 2, MODE 3 with RCS pressure > 1000 psig.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
One accumulator inoperable due to boron concentration not within limits.
A.1 Restore boron concentration to within limits.
72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> B.
One accumulator inoperable for reasons other than Condition A.
B.1 Restore accumulator to OPERABLE status.
24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> C.
Required Action and associated Completion Time of Condition A or B not met.
C.1 Be in MODE 3.
AND 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> C.2 Reduce RCS pressure to 1000 psig.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> D.
Two or more accumulators inoperable.
D.1 Enter LCO 3.0.3.
Immediately
Accumulators 3.5.1 CALLAWAY PLANT 3.5-2 Amendment No. 202 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.5.1.1 Verify each accumulator isolation valve is fully open.
In accordance with the Surveillance Frequency Control Program SR 3.5.1.2 Verify borated water volume in each accumulator is 6061 gallons and 6655 gallons.
In accordance with the Surveillance Frequency Control Program SR 3.5.1.3 Verify nitrogen cover pressure in each accumulator is 602 psig and 648 psig.
In accordance with the Surveillance Frequency Control Program (continued)
Accumulators 3.5.1 SURVEILLANCE REQUIREMENTS (continued)
CALLAWAY PLANT 3.5-3 Amendment No. 202 SR 3.5.1.4 Verify boron concentration in each accumulator is 2300 ppm and 2500 ppm.
In accordance with the Surveillance Frequency Control Program AND
NOTE --------
Only required to be performed for affected accumulators Once within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> after each solution volume increase of 70 gallons that is not the result of addition from the refueling water storage tank SR 3.5.1.5 Verify power is removed from each accumulator isolation valve operator when RCS pressure is
> 1000 psig.
In accordance with the Surveillance Frequency Control Program SURVEILLANCE FREQUENCY
CALLAWAY PLANT 3.5-4 Amendment No. 202 l ECCS - Operating 3.5.2 3.5 EMERGENCY CORE COOLING SYSTEMS (ECCS) 3.5.2 ECCS - Operating LCO 3.5.2 Two ECCS trains shall be OPERABLE.
NOTES --------------------------------------------
1.
In MODE 3, both safety injection (SI) pump flow paths may be isolated by closing the isolation valves for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> to perform pressure isolation valve testing per SR 3.4.14.1.
2.
Operation in MODE 3 with ECCS pumps made incapable of injecting, pursuant to LCO 3.4.12, Cold Overpressure Mitigation System, is allowed for up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> or until the temperature of all RCS cold legs exceeds 375°F, whichever comes first.
APPLICABILITY:
MODES 1, 2, and 3.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
One or more trains inoperable.
AND At least 100% of the ECCS flow equivalent to a single OPERABLE ECCS train available.
A.1 Restore train(s) to OPERABLE status.
72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> B.
Required Action and associated Completion Time not met.
B.1 Be in MODE 3.
AND 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> B.2 Be in MODE 4.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />
ECCS - Operating 3.5.2 CALLAWAY PLANT 3.5-5 Amendment No. 222 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.5.2.1 Verify the following valves are in the listed position with power to the valve operator removed.
In accordance with the Number Position Function BNHV8813 Open Safety Injection to RWST Isolation Valve EMHV8802A Closed SI Hot Legs 2 & 3 Isolation Valve EMHV8802B Closed SI Hot Legs 1 & 4 Isolation Valve EMHV8835 Open Safety Injection Cold Leg Isolation Valve EJHV8840 Closed RHR/SI Hot Leg Recirc Isolation Valve EJHV8809A Open RHR to Accum Inject Loops 1 & 2 Isolation Valve EJHV8809B Open RHR to Accum Inject Loops 3 & 4 Isolation Valve Surveillance Frequency Control Program SR 3.5.2.2
NOTE ----------------------------
Not required to be met for system vent flow paths opened under administrative control.
Verify each ECCS manual, power operated, and automatic valve in the flow path, that is not locked, sealed, or otherwise secured in position, is in the correct position.
In accordance with the Surveillance Frequency Control Program SR 3.5.2.3 Verify ECCS locations susceptible to gas accumulation are sufficiently filled with water.
In accordance with the Surveillance Frequency Control Program (continued)
ECCS - Operating 3.5.2 SURVEILLANCE REQUIREMENTS (continued)
CALLAWAY PLANT 3.5-6 Amendment No. 222 SR 3.5.2.4 Verify each ECCS pump's developed head at the test flow point is greater than or equal to the required developed head.
In accordance with the INSERVICE TESTING PROGRAM SR 3.5.2.5 Verify each ECCS automatic valve in the flow path that is not locked, sealed, or otherwise secured in position, actuates to the correct position on an actual or simulated actuation signal.
In accordance with the Surveillance Frequency Control Program SR 3.5.2.6 Verify each ECCS pump starts automatically on an actual or simulated actuation signal.
In accordance with the Surveillance Frequency Control Program SR 3.5.2.7 Verify, for each ECCS throttle valve listed below, each mechanical position stop is in the correct position.
In accordance with the Surveillance Valve Number EMV0095 EMV0107 EMV0089 EMV0096 EMV0108 EMV0090 EMV0097 EMV0109 EMV0091 EMV0098 EMV0110 EMV0092 Frequency Control Program SR 3.5.2.8 Verify, by visual inspection, each ECCS train containment sump suction inlet is not restricted by debris and the suction inlet strainers show no evidence of structural distress or abnormal corrosion.
In accordance with the Surveillance Frequency Control Program SURVEILLANCE FREQUENCY
CALLAWAY PLANT 3.5-7 Amendment No. 202 l ECCS - Shutdown 3.5.3 3.5 EMERGENCY CORE COOLING SYSTEMS (ECCS) 3.5.3 ECCS - Shutdown LCO 3.5.3 One ECCS train shall be OPERABLE.
NOTE ---------------------------------------------
An RHR subsystem may be considered OPERABLE during alignment and operation for decay heat removal, if capable of being manually realigned to the ECCS mode of operation.
APPLICABILITY:
MODE 4.
ACTIONS
NOTE -----------------------------------------------------------
NOTE -----------------------------------------------------------
LCO 3.0.4.b is not applicable to ECCS centrifugal charging pump subsystem.
CONDITION REQUIRED ACTION COMPLETION TIME A.
Required ECCS residual heat removal (RHR) subsystem inoperable.
A.1 Initiate action to restore required ECCS RHR subsystem to OPERABLE status.
Immediately B.
Required ECCS Centrifugal Charging Pump subsystem inoperable.
B.1 Restore required ECCS Centrifugal Charging Pump subsystem to OPERABLE status.
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> C.
Required Action and associated Completion Time of Condition B not met.
C.1 Be in MODE 5.
24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />
ECCS - Shutdown 3.5.3 CALLAWAY PLANT 3.5-8 Amendment No. 202 l SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.5.3.1 The following SRs are applicable for all equipment required to be OPERABLE:
SR 3.5.2.1 SR 3.5.2.7 SR 3.5.2.3 SR 3.5.2.8 SR 3.5.2.4 In accordance with applicable SRs
CALLAWAY PLANT 3.5-9 Amendment No. 202 l RWST 3.5.4 3.5 EMERGENCY CORE COOLING SYSTEMS (ECCS) 3.5.4 Refueling Water Storage Tank (RWST)
LCO 3.5.4 The RWST shall be OPERABLE.
APPLICABILITY:
MODES 1, 2, 3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
RWST boron concentration not within limits.
OR RWST borated water temperature not within limits.
A.1 Restore RWST to OPERABLE status.
8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> B.
RWST inoperable for reasons other than Condition A.
B.1 Restore RWST to OPERABLE status.
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> C.
Required Action and associated Completion Time not met.
C.1 Be in MODE 3.
AND 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> C.2 Be in MODE 5.
36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />
RWST 3.5.4 CALLAWAY PLANT 3.5-10 Amendment No. 202 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.5.4.1
NOTE ----------------------------
Only required to be performed when ambient air temperature is < 37°F or > 100°F.
Verify RWST borated water temperature is 37°F and 100°F.
In accordance with the Surveillance Frequency Control Program SR 3.5.4.2 Verify RWST borated water volume is 394,000 gallons.
In accordance with the Surveillance Frequency Control Program SR 3.5.4.3 Verify RWST boron concentration is 2350 ppm and 2500 ppm.
In accordance with the Surveillance Frequency Control Program
CALLAWAY PLANT 3.5-11 Amendment No. 202 l Seal Injection Flow 3.5.5 3.5 EMERGENCY CORE COOLING SYSTEMS (ECCS) 3.5.5 Seal Injection Flow LCO 3.5.5 Reactor coolant pump (RCP) seal injection flow shall be within the limits of Figure 3.5.5-1.
APPLICABILITY:
MODES 1, 2, and 3.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.
Seal injection flow not within limit.
A.1 Adjust manual seal injection throttle valves such that the RCP seal injection flow is within the limits of Figure 3.5.5-1.
4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> B.
Required Action and associated Completion Time not met.
B.1 Be in MODE 3.
AND 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> B.2 Be in MODE 4.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />
Seal Injection Flow 3.5.5 CALLAWAY PLANT 3.5-12 Amendment No. 202 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.5.5.1
NOTE ----------------------------
Not required to be performed until 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> after the Reactor Coolant System pressure stabilizes at 2215 psig and 2255 psig.
Verify manual seal injection throttle valves are adjusted to give a flow within the limits of Figure 3.5.5-1.
In accordance with the Surveillance Frequency Control Program
CALLAWAY PLANT 3.5-13 Amendment No. 202 l Seal Injection Flow 3.5.5 Figure 3.5.5-1 (page 1 of 1)
Delta P from Charging Header to RCS vs. Total Seal Injection Line Flow