Tech Specs SRO Flashcards
(29 cards)
3.8.1
AC Sources- Operating
A. One required offsite circuit inoperable.
Modes 1,2,3,4
The following AC electrical sources shall be OPERABLE:
a. Two qualified circuits between the offsite transmission network and the onsite Class 1E AC Electrical Power Distribution System;
b. Two diesel generators (DGs) capable of supplying the onsite Class 1E
power distribution subsystem(s); and
c. Automatic load sequencers for Train A and Train B.
A. One required offsite circuit inoperable.
A.3 Restore required 0ffsite circuit to OPERABLE status.
72 hours
3.5.2
ECCS Operating
B. One or more trains inoperable for reasons other than one inoperable centrifugal charging pump.
AND
At least 100% of the ECCS
flow equivalent to a single
OPERABLE ECCS train
available.
Modes 1,2,3
Two ECCS trains shall be OPERABLE.
B. One or more trains
inoperable for reasons
other than one inoperable
centrifugal charging pump.
AND
At least 100% of the ECCS
flow equivalent to a single
OPERABLE ECCS train
available.
B.1 Restore train(s) to OPERABLE
status.
72 hours.
——-NOTES———
1. In MODE 3, both safety injection (SI) pump flow paths may be isolated by
closing the isolation valves for up to 2 hours 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, “Low Temperature Overpressure Protection
(LTOP) System,” is allowed for up to 4 hours or until the temperature of all RCS cold legs exceeds 375°F, whichever comes first.
—————————————
3.5.1
Accumulators
B. One accumulator
inoperable for reasons
other than Condition A (One Accumulator Inoperable due to Boron Concentration).
MODES 1, 2, MODE 3 with RCS pressure > 1000 psig.
Four ECCS accumulators shall be OPERABLE.
B. One accumulator
inoperable for reasons
other than Condition A.
B.1 Restore accumulator to OPERABLE status.
24 hours
3.7.19
Safety Chilled Water
A. One safety chilled water train inoperable.
Modes 1,2,3,4
Two safety chilled water trains shall be OPERABLE
A. One safety chilled water
train inoperable.
A.1 Restore safety chilled water train to OPERABLE status.
72 hours
3.8.9
Distribution Systems - Operating
C. One DC electrical power distribution subsystem inoperable.
Modes 1,2,3,4
Train A and Train B AC, DC, and AC vital bus electrical power distribution
subsystems shall be OPERABLE.
C. One DC electrical power
distribution subsystem
inoperable.
C.1 Restore DC electrical power distribution subsystem to OPERABLE status.
2 hours
3.7.8
Station Service Water System
B. One SSWS train inoperable.
Modes 1,2,3,4
Two SSWS trains and a SSW Pump on the opposite unit with its associated
cross-connects shall be OPERABLE.
B. One SSWS train
inoperable.
B.1 Restore SSWS train to OPERABLE status.
72 hours
——————–NOTES———
1. Enter applicable Conditions and
Required Actions of LCO 3.8.1, “AC Sources – Operating,” for
emergency diesel generator made inoperable by SSWS.
2. Enter applicable Conditions and
Required Actions of LCO 3.4.6, “RCS Loops – MODE 4,” for residual heat removal loops made inoperable by SSWS.
—————————————
3.5.4
Refueling Water Storage Tanks
A. RWST boron concentration
not within limits.
OR
RWST borated water temperature not within
limits.
Modes 1,2,3,4
The RWST shall be OPERABLE.
Temperature 40-120F
Water Volume ≥473,731 gallons (95%)
Boron Concentration 2400-2600ppm
A. RWST boron concentration
not within limits.
OR
RWST borated water
temperature not within
limits.
A.1 Restore RWST to OPERABLE
status.
8 hours
3.8.1
AC Sources- Operating
B. One DG inoperable.
Modes 1,2,3,4
The following AC electrical sources shall be OPERABLE:
a. Two qualified circuits between the offsite transmission network and the onsite Class 1E AC Electrical Power Distribution System;
b. Two diesel generators (DGs) capable of supplying the onsite Class 1E
power distribution subsystem(s); and
c. Automatic load sequencers for Train A and Train B.
B. One DG inoperable.
B.4.1 Determine OPERABLE DG(s) is not inoperable due to common cause failure.
72 hours
OR
B.4.2 Perform SR 3.8.1.2 for OPERABLE DG(s).
24 hours
——————-NOTE————
The SR need not be performed if the DG is already operating and
loaded.
—————————————
3.5.1
Accumulators
A. One accumulator
inoperable due to boron
concentration not within
limits.
MODES 1, 2, MODE 3 with RCS pressure > 1000 psig.
Four ECCS accumulators shall be OPERABLE.
A. One accumulator
inoperable due to boron
concentration not within
limits.
A.1 Restore boron concentration to within
limits.
72 hours
3.6.4
Containment Pressure
A. Containment pressure not within limits.
Modes 1,2,3,4
Containment pressure shall be ≥ - 0.3 psig and ≤ + 1.3 psig.
A. Containment pressure not within limits.
A.1 Restore containment pressure to within limits.
8 hours
3.4.13
RCS Operational Leakage
B. Required Action and
associated Completion
Time of Condition A not
met.
OR
Pressure boundary
LEAKAGE exists.
OR
Primary to secondary
LEAKAGE not within limits
Modes 1,2,3,4
RCS operational LEAKAGE shall be limited to:
a. No pressure boundary LEAKAGE;
b. 1 gpm unidentified LEAKAGE;
c. 10 gpm identified LEAKAGE;
d. 150 gallons per day primary to secondary LEAKAGE through any one
steam generator (SG).
B. Required Action and
associated Completion
Time of Condition A not
met.
OR
Pressure boundary
LEAKAGE exists.
OR
Primary to secondary
LEAKAGE not within limits
B.1 Be in MODE 3.
6 hours
3.5.2
ECCS Operating
A. One train inoperable
because of the inoperability of a centrifugal charging
pump.
Modes 1,2,3
Two ECCS trains shall be OPERABLE.
A. One train inoperable
because of the inoperability of a centrifugal charging
pump.
A.1 Restore pump to OPERABLE status.
7 days
——-NOTES———
1. In MODE 3, both safety injection (SI) pump flow paths may be isolated by
closing the isolation valves for up to 2 hours 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, “Low Temperature Overpressure Protection
(LTOP) System,” is allowed for up to 4 hours or until the temperature of all RCS cold legs exceeds 375°F, whichever comes first.
—————————————
3.6.3
Containment Isolation Valves
A. One or more penetration flow paths with one containment isolation valve inoperable except for containment purge, hydrogen purge or
containment pressure relief valve leakage not within limit.
Modes 1,2,3,4
Each containment isolation valve shall be OPERABLE.
A.
————–NOTE————–
Only applicable to
penetration flow paths with two containment isolation valves.
————————————
One or more penetration
flow paths with one
containment isolation valve inoperable except for
containment purge,
hydrogen purge or
containment pressure relief valve leakage not within limit.
A.1 Isolate the affected penetration flow path by use of at least one closed
and de-activated automatic valve, closed manual valve, blind flange, or check valve with flow through the
valve secured.
4 hours
———————-NOTES——-
1. Penetration flow path(s) except for 48 inch containment and 12 inch hydrogen purge valve flow
paths may be unisolated intermittently under administrative controls.
2. Separate Condition entry is allowed for each penetration flow path.
3. Enter applicable Conditions and Required Actions for systems made inoperable by containment
isolation valves.
4. Enter applicable Conditions and Required Actions of LCO 3.6.1, “Containment,” when isolation valve leakage results in exceeding the overall containment leakage rate acceptance criteria
—————————————
3.8.1
AC Sources- Operating
C. Two required offsite circuits inoperable.
Modes 1,2,3,4
The following AC electrical sources shall be OPERABLE:
a. Two qualified circuits between the offsite transmission network and the onsite Class 1E AC Electrical Power Distribution System;
b. Two diesel generators (DGs) capable of supplying the onsite Class 1E
power distribution subsystem(s); and
c. Automatic load sequencers for Train A and Train B.
C. Two required offsite circuits inoperable.
C.2 Restore one required offsite circuit to OPERABLE status.
24 hours
3.8.1
AC Sources- Operating
E. Two DGs inoperable.
Modes 1,2,3,4
The following AC electrical sources shall be OPERABLE:
a. Two qualified circuits between the offsite transmission network and the onsite Class 1E AC Electrical Power Distribution System;
b. Two diesel generators (DGs) capable of supplying the onsite Class 1E
power distribution subsystem(s); and
c. Automatic load sequencers for Train A and Train B.
E. Two DGs inoperable.
E.1 Restore one DG to OPERABLE status
2 hours
3.6.6
Containment Spray System
A. One containment spray
train inoperable.
Modes 1,2,3,4
Two containment spray trains shall be OPERABLE.
A. One containment spray
train inoperable.
A.1 Restore containment spray train to
OPERABLE status.
72 hours
3.8.4
DC Sources Operating
B. One or two batteries on one train inoperable.
Modes 1,2,3,4
The Train A and Train B DC electrical power subsystems shall be
OPERABLE.
B. One or two batteries on one train inoperable.
B.1 Restore affected battery(ies) to OPERABLE status.
2 hours
3.8.9
Distribution Systems - Operating
B. One AC vital bus
subsystem inoperable.
Modes 1,2,3,4
Train A and Train B AC, DC, and AC vital bus electrical power distribution
subsystems shall be OPERABLE.
B. One AC vital bus
subsystem inoperable.
B.1 Restore AC vital bus subsystem to OPERABLE status.
2 hours
3.4.1
RCS Pressure, Temperature, and Flow DNB Limits
A. One or more RCS DNB
parameters not within limits.
MODE 1
a. Pressurizer pressure
≥ 2220 psig (4 channels)
≥ 2222 psig (3 channels)
b. RCS average temperature
U1
≤ 588 F (4 channels)
≤ 588 F (3 channels)
U2
≤ 592 F (4 channels)
≤ 591 F (3 channels)
c. RCS total flow rate ≥ 389,700 gpm and ≥ the limit specified in the
COLR.
U1 ≥ 403,700 gpm.
U2 ≥ 408,000 gpm.
A. One or more RCS DNB
parameters not within limits.
A.1 Restore RCS DNB parameter(s) to
within limit.
2 hours
3.8.4
DC Sources Operating
C. One DC electrical power subsystem inoperable for
reasons other than Condition A or B (One or two Batteries or Battery Chargers on one Train inoperable).
Modes 1,2,3,4
The Train A and Train B DC electrical power subsystems shall be
OPERABLE.
C. One DC electrical power
subsystem inoperable for
reasons other than Condition A or B.
C.1 Restore DC electrical power subsystem to OPERABLE status.
2 hours
3.8.7
Inverters
A. One required inverter
inoperable.
Modes 1,2,3,4
The required Train A and Train B inverters shall be OPERABLE.
A. One required inverter
inoperable.
A.1
with any vital bus de-energized. Restore inverter to OPERABLE status.
24 hours
———————NOTE———
Enter applicable Conditions and
Required Actions of LCO 3.8.9, “Distribution Systems - Operating”
—————————————
———NOTE———————-
Inverters may be disconnected from one DC bus for ≤ 24 hours to perform an equalizing charge on their associated common battery, provided:
a. The associated AC vital bus(es) are energized; and
b. All other AC vital buses are energized from their associated OPERABLE inverters.
—————————————
3.8.9
Distribution Systems - Operating
A. One AC electrical power distribution subsystem inoperable.
Modes 1,2,3,4
Train A and Train B AC, DC, and AC vital bus electrical power distribution
subsystems shall be OPERABLE.
A. One AC electrical power
distribution subsystem
inoperable.
A.1 Restore AC electrical power distribution subsystem to OPERABLE status.
8 hours
3.8.4
DC Sources Operating
A. One or two required battery chargers on one train inoperable.
Modes 1,2,3,4
The Train A and Train B DC electrical power subsystems shall be
OPERABLE.
A. One or two required battery chargers on one train inoperable.
A.1 Restore affected battery(ies) terminal
voltage to greater than or equal to the minimum established float voltage.
2 hours
A.3 Restore required battery charger(s) to OPERABLE status.
7 days
3.4.13
RCS Operational Leakage
A. RCS operational LEAKAGE not within limits for reasons other than pressure boundary LEAKAGE or primary to secondary LEAKAGE.
Modes 1,2,3,4
RCS operational LEAKAGE shall be limited to:
a. No pressure boundary LEAKAGE;
b. 1 gpm unidentified LEAKAGE;
c. 10 gpm identified LEAKAGE;
d. 150 gallons per day primary to secondary LEAKAGE through any one
steam generator (SG).
A. RCS operational LEAKAGE not within limits for reasons other than pressure boundary LEAKAGE or primary to secondary LEAKAGE.
A.1 Reduce LEAKAGE to within limits.
4 hours
