Tech Specs Flashcards

1
Q

What is TS Section 2.0?

A

Safety Limits?

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2
Q

What is the purpose of TS Section 2.0?

A

Ensure that acceptable fuel design limits are not exceeded by maintaining
Fuel Cladding Integrity, (Cladding)
MCPR, (Power Ratio)
Reactor Water Level above top of active fuel, AND (Level)
ensure RCS boundary does not exceed allowables (Pressure)

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3
Q

What needs to be done if Safety Limits are violate?

A

Restore Compliance or Insert all Rods within 2 Hours

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4
Q

Why are SDM requirements specified?

A

TO ensure reactor can be made subcritical from all operating conditions and transients, and to ensure reactor can be maintained sufficiently subcritical

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5
Q

When is SDM requirements applicable?

A

Modes 1, 2, 3, 4, & 5

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6
Q

What are the limits associated with SDM?

A

> =0.38%dk/k with highest rod worth determined analytically OR
= 0.28% dk/k with highest rod work determined by testing

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7
Q

What are the required actions associated with SDM in Modes 1 & 2?

A

Restore SDM within 6 hours or be in Mode 3 within 12 hours

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8
Q

What are the required actions for SDM in Mode 3?

A

If SDM not met, Initiate action to insert all rods IMMEDIATELY?

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9
Q

What are the required actions for SDM in MODE 4?

A

Initiate action to fully insert all Rods IMMEDIATELY; AND
Restore Secondary Containment to Operable WITHIN 1 hour; AND
Restor SBGT to Operabel WITHIN 1 HOUR; AND;
Restore isolation capability in unisolated sec. cont. penetrations WITHIN 1 HOUR.

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10
Q

What actions are required for SDM in MODE 5?

A

Suspend core alterations except CR insertion and fuel removal IMMEDIATELY; AND
Insert all control rods in cells containing 1 or more fuel assemblies IMMEDIATELY; AND
Restore Sec. Cont, SBGT, and Penetration isolation within 1 HOUR

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11
Q

What is the limit for Reactivity Anomalies and when is it applicable?

A

Difference between monitored and predicted Keff +/- 1%dk/k in MODES 1 and 2

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12
Q

What are the requirements for Control Rod Operability?

A

Position may be determined;
Capable of being inserted;
Capable of being inserted 90% within 7 seconds;
Do not overtravel OUT

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13
Q

When are Control Rods Required to be Operable?

A

Modes 1 and 2

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14
Q

What is a stuck control rod?

A

A rod that will not INSERT

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15
Q

What is required for a Stuck Rod?

A

Verify Stuck rod separation criteria is met immediately;
Disarm associated CRD with 2 HOURS;
Perform Rod Insertion Test (SR 3.1.3.3) within 24 hours for each withdrawn operable rod; AND
Verify SDM

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16
Q

What are the stuck rod separation criteria?

A

Stuck CR must not be:

a) adjacent to 2 slow CRs
b) if adjacent to 1 slow CR, that CR cannot be adjacent to another Slow CR
c) adjacent to a slow CR when there is another PAIR of slow CRs elsewhere

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17
Q

What is the limit for number of withdrawn stuck CRs at any time (meeting CR stuck separation criteria)? what must be done if not met?

A

1; Mode 3 in 12 hours

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18
Q

What is the limit for number of inoperable control rods?

A

If nine or more, be in Mode 3 in 12 hours

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19
Q

In General: What must be done to an inoperable CR that is not stuck?

A

Fully insert and disarm CRD; OR restore operable status

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20
Q

What is the limitation for Slow CRs?

A

No more than 12 Operable slow CRs;

and no more than 2 operable slow CR’s shall be adjacent

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21
Q

When are CR Scram Times applicable?

A

Modes 1 and 2

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22
Q

What must be done if limitations for slow CR’s is not met?

A

MODE 3 in 12 hours.

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23
Q

What are the required Scram times for CRs and what is the applicable pressure?

A
5% insert - 0.48sec
20% insert - 0.89sec
50% insert - 1.98sect
90% insert - 3.44sec.
IF CANNOT BE MET, it is SLOW - UNLESS
IF CANNOT BE AT 90% in 7sec, IS INOPERABLE
AT 800psig
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24
Q

When are CR Accumulators required to Operable?

A

MODES 1 and 2

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25
What is is the requirement for an OPERABLE CR Accumulator?
Pressure greater than 940psig
26
If 1 CR Accumulator is Operable, what are the Req. Actions?
Declare CR slow (if meeting req.) or declare INOP within 8 HOURS
27
If 2 or more Accumulators are INOP, what are teh required actions?
``` Restore charging header to 940psig (within 20 minutes of discovery) AND Declare slow (if meets definition) or Declare INOP within 1 HOUR ```
28
If Rx Pressure 900psig or less, and 1 or more accumulator inoperable, what are the required actions?
Verify associated CRs are fully inserted Immediately; | Declare CR INOP within 1 hour
29
For 3.1.5 CR Accumulators, what must be done if Required actions are not completed within required time?
Place Reactor in Shutdown IMMEDIATELY | NOT APPLICABLE IF ALL INOP ACCUMULATORS ASSOCIATED WITH FULLY INSERTED RODS
30
What are the requirements for Control Rod Pattern Control?
OPERABLE control rods shall comply with analyzed rod position sequence.
31
When is Rod Pattern Control Applicable?
MODE 1 and 2 with Thermal Power <= 10% Rated Termal Power
32
What are the requirements if a rod does not meet the analyzed rod position sequence?
Move to correct position or declare INOP within 8 hours
33
What is the limited number of OPERABLE rods not meeting CR sequence requirements? and what must be done?
If 9 or more not in compliance; Suspend withdrawal IMMEDIATELY and place reactor mode switch to SHUTDOWN within 1 hour (DOES NOT APPLY TO INOP CRs - SEE 3.1.3)
34
When shall the SDV vent and drains be OPERABLE?
MODE 1 and 2
35
What is required to verify SDV Vent and Drain Operability?
vent and drain valve is open able to be cycled to fully closed and open closes in less than 30 sec of scram signal AND opens when reset
36
What is the limited time and action for 1 or more SDV vent or drain line with 1 valve INOP?
Isolate line within 7 days
37
What is the limited time and action for 1 or more SDV vent or drain line with both valves INOP?
Isolate line within 8 hours
38
What must be done if required actions for SDV vent and drain valves cannot be performed?
Mode 3 in 12 hours
39
When are Jet Pumps requried to be Operable?
MODE 1 and 2
40
When is a Jet Pump Inoperable?
Recirc Pump Flow to speed ratio differs by <10% from established patterns AND Each jet pump flow differs by <10% from established pattersn
41
What msut be done if one or more Jet Pumps INOP?
MODE 3 in 12 hours
42
What are the limits for RCS Operational Leakate?
No Pressure boundary leakage <5gpm unidentified leakage <25gpm total leakage average over previous 24 hours <2gpm increase in unidentified leakage in last 24 hours (MODe1)
43
When are RCS Operational Leakage requirements applicable?
Modes 1,2 & 3
44
What is required if limits for RCS is not met?
Isolate Pressure Boundary leakage within 4 hours Reduce leakage within 4 hours for unidentified leakage Or verify unidentified leakage increase not from IGSCC within 4hr OR MODE 3 in 12hr and MODE 4 in 36 hr
45
What is the required Reactor Steam Done Pressure? and when is this required?
Less than 1005psig in MODE 1 and 2
46
If the REactor steam dome pressure limit is not met, what actions must be taken?
Restore within 15 minutes OR MODE 3 in 12 hours
47
When are the RCS Pressure and Temp limits applicable
AT ALL TIMES
48
What is required for the RCS Pressure and Temperature Limitations?
RCS Pressure, Temp, heatup and cooldown rates and RR Pump starting temp shall be within limits (graph in back of TS LCO)
49
What actions must be taken if RCS Temp limits cannot be met?
Restore to limits within 30 minutes and determine if RCS is acceptable for continued operation within 72 hours; OR MODE 3 in 12 hours and MODE 4 in 36 hours
50
If RCS limits not met in Modes 4 or 5, what must be done?
Initiate actions to restore parameters IMMEDIATELY; and Determine if acceptable for operation before entering MODE 2 or 3
51
What is required for Primary Containment to be considered Operable?
Leakate rate testing for Air Lock; | Drywell to Torus bypass leakate <2% acceptable value of 0.18ft^2 at differential pressure of >1.0psid
52
When is Primary Containment required?
MODE 1 2 and 3
53
What is required action for inoperable Primary Containment?
Restore within 1 hour, OR MODE 3 in 12 hours AND MODE 4 in 36
54
What is required for Primary Containment Airlock to be considered Operable?
Leakage rate meets requirements of SR 3.6.1.1.1 and Only 1 door can be opened at a time.
55
When is Primary Containment Air Lock required to be Operable
Modes 1, 2, & 3
56
What is the required action if ONE DW Airlock door is INOP?
Verify Operable door closed within 1 hour; Lock the OPERABLE door within 24 hours; Verify Operable door is locked within 31 days
57
What is required action if DW air lock interlock mechanism is INOP?
Veify Operable door closed 1 hour Operable door locked 24 hours Verify Operable door locked closed every 31 days
58
If DW Airlock INOP for reason other than INOP Interlock mechanism or one door INOP
Initiate action to evaluate DW leakage rate IMMEDIATELY using current air lock test results Verify door closed within 1 hour Restore Air Lock Operable within 24 hours
59
What is the Pressure limit for DW?
<1.5psig
60
When is the DW pressure limit applicable?
Modes 1 2 and 3
61
What must be done if DW pressure not within limit and what is required time to do so?
Restore within 1 hour OR | Mode 3 in 12 hours And Mode 4 in 36 hours
62
What is the DW temp limit?
<= 150F
63
When is the DW Temp Limit Applicable?
Modes 1 2 and 3
64
What is required if DW temp limit exceeded?
Restore within 8 hours OR | MODE 3 in 12 hours AND MODE 4 in 36 hours
65
What is required for a RB to Torus Vacuum Breaker to be Operable?
Verify each is closed (when supposed to be) Meet functional test requirements Verify opening set point for each is <= 0.5psid
66
When is the RB to Torus Vacuum Breaker required to be Operable?
Modes 1 2 and 3
67
If a RB to Torus Vacuum Breaker is open, what is required?
One vacuum breaker not closed, close within 7 days; | Two vacuum breakers open in same line; close one within 1 hour.
68
What is required if a RB/Torus Vac Breaker cannot be opened?
One Line: Restore to Operable within 7 days; | Two lines: Restore all Vac Brkrs in one line within 1 hour
69
If a RB/Torus cannot be oppened or closed and cannot be restored within required times, what must be done?
Mode 3 in 12 hours; Mode 4 36 hours
70
What is required for a DW/Torus Vac Brkr to be considered Operable?
Closed when supposed to be Successfully functional to open/close Verify opening setpoint of each is <0.5psid
71
When are the DW/Torus Vac Brkrs required?
Mode 1 2 and 3
72
What is the required number of DW/Torus Vac Brkrs required?
9 shall be operable and all 12 shall be closed
73
What is required if a REQUIRED vacuum breaker cannot be opened or closed?
Cannot Open: Restore to Operable in 72 hours or Mode 3 in 12hr Cannot be Closed: Close within 4 hours; Mode 3/4 in 12/36
74
What are the Temp Limits for Torus?
<95F with no testing <105F With Testing <110 with Thermal Power <1% RTP
75
If Torus >95 and <110F and Thermal Power >1% and no testing, how often must you verify temperature?
once per hour and restore within 24 hours
76
If Torus >105F and Therm Pow >1% and testing, what must be performed?
SUSPEND TESTING IMMEDIATELY!
77
If Torus >110 and <120 What must be perforemd?
Place Mode switch to shutdown immediately, verify temp <120 every 30 minutes, and be in mode 4 within 36hours
78
What must be done if Torus >120F?
Depressurize RPV to <150psig in 12 hours, and be in MODE 4 in 36 hrs.
79
What are the requirements for Torus Water Leve?
>14ft 6.5 in and <14ft 10.5in
80
When are the Torus Level Requirements required?
Modes 1 2 and 3
81
What is required if the Torus Level requirements are not met?
Restore within 2 hours OR Mode 3 in 12 hours, and mode 4 in 36hrs
82
What is the limit for DW/Torus DP?
DW shall be >1psid above Torus
83
When is the Torus/DW DP limit applicable?
Mode 1 with Thermal Power >15%RTP
84
What is required if Torus/DW DP limit cannot be met?
Restore within 72 housr or reduce to less than 15% RTP within 12 hours
85
What is required for Sec Contain to be Operable?
Vacuum is >0.25in vacuum water column At least one secondary containment access door closed at each entry Verify vacuum pressure can be maintained for 1 hours using SBGT at flow of <4000cfm Verify all Sec Contain equipment hatches closed and sealed
86
When is Sec Containment required to be operable?
Mode 1, 2, and 3, and during movement of recently irradiated fuel assemblies in Sec Cont.
87
What must be done if Sec Containment is INOP during fuel movements?
Suspend movement IMMEDIATELY
88
How long do you have to restore Sec. Containment during Mode 1 2 and 3?
4 hours
89
What is required for SBGT to be Operable?
Can operate for 15 minutes or more with heaters operating Filter Tesing meets testing requirements Verify actuates on initiation signal
90
How many SBGT subsystems are required to be Operable?
2
91
when is SBGT required to be Operable?
Modes 1 2 and 3; during fuel movements
92
What is requried if ONE SBGT train INOP?
Restore in 7 days or be in Mode 3 in 12 hours
93
What is required if ONE SBGT train INOP during fuel moves?
Place Operable SBGT train in Operation IMMEDIATELY; OR SUSPEND fuel movements IMMEDIATELY
94
What is required if 2 SBGT trains INOP?
In Mode 1, 2, or 3: Restore ONE within 1 hour; OR MODE 3 in 12hr During Fuel Movement: Suspend IMMEDIATELY!
95
What is the requirement for Spent Fuel Pool Water Level?
>19ft above Top of Irradiated Fuel in racks
96
When is Spent Fuel Pool Level requirement applicable?
During Fuel Movements in fuel pool AND | During movement of new fuel assemblies in spent fuel with irradiated fuel assemblies seated
97
What is requirement if Spent Fuel Pool Level limits cannot be met?
Suspend Fuel Movemetns IMMEDIATELY
98
What is required for AC electrical to be Operable?
2 qualified circuites between offsite transmission and 1E AC Power system Operable AND 2 diesel generators Operable ANd 1 qualified circuit between offsite network and OPP unit Div 2 Class 1E AC Dist capable of supporting SBGT and CREV; AND Opposite Units DG capable of supporting equipment to be Operable
99
When is AC Power source required to be operable?
Modes 1 2 and 3
100
For AC Sources Operating - What is requred if 1 required offsite circuit INOP?
Perform Appendix X Breaker alignment SR for operable offiste circuit
101
What is required if 1 required DG is INOP?
Perform Appendix X Breaker alignment SR for operable offiste circuit
102
What is required if 3 or more required AC sources INOP?
Enter LCO 3.0.3 - Mode 3 in 13 hours; Mode 4 in 37 hours - initiate within 1 hour
103
What are the AC source requirements when shutdown?
One qualified circuit between offsite transmission and onsite Class 1E AC Power; One DG capable of supplying one division Class 1E AC Power
104
When is AC Sources- Shutdown Applicable?
Modes 4 and 5, and movement of recently irradiated fuel
105
What is required action if during shutdown one required offsite circuit is inop?
Declare affected required features INOP IMMEDIATELY OR Suspend Core alterations Immediately AND Suspend fuel movements IMMEDIATELY AND Initiation actions to restore required offsite power IMMEDIATELY
106
What is required if One required DG is not available during shutdown?
``` Suspend Core Alterations IMMEDIATELY AND Suspend fuel movements IMMEDIATELY AND Initiate actions to restore DG IMMEDIATELY ```
107
What is required for DC electrical power subsystem to be operable?
Two 250VDC power subsystems Operable; Div 1 and 2 125VD Power Operable; Opposite Units Div 2 125VDC capable of supporting SBGT and CREVS
108
When is DC Sources - Operating Applicable?
MODE 1 2 and 3
109
What is required if a 125vdc or 250vdc charger becomes INOP?
Restore battery voltage within 2 hours .... then verify flow current every 12 hours and restore charger to operable within 7 days
110
What are the requirements of DC power during dhutdown?
One 250vdc and 1 125vdc subsystem OPERABLE
111
What is required during a shutdown if one ore more required DC power subsystem inoperable?
``` Declare INOP; OR Suspend Core alteration; AND Suspend FUel Movements AND Initiate actions to restore ```
112
What is required if battery parameters for 125vdc and 250vdc batteries are not within required limits?
Declare battery inoperable immediately
113
What are teh power distribution system requiremetns when operating?
Dive 1 and 2 AC and DC electrical Power Operable; AND | Portions of OPP unit Div 2 AC and DC to support SBGT and CREV Operable
114
What is required when 2 or more electrical powe distribution subsystems inop when in combination result in loss of function?
Enter LCO 3.0.3 IMMEDIATELY
115
What are the requirements for Refuel Equipment Interlocks to be Operable?
Channel Functional Test requiremetns met on each of the following interlocks: All-rods in Refuel Platform Position Refuel Platform Fuel Grapple, fuel loaded Refuel Platform fuel grapple fully retracted Refuel platform frame mounted hoist fuel loaded Refuel Platform monorail mounted hoist fuel loaded Service Platform hoist fuel loaded
116
When are Refuel Equipment Interlocks Required to be Applicable?
During in-vessel fuel movement with equipment associated with interlocks when reactor mode switch is in refuel position
117
What is required if refuel equipment interlocks are not operable?
Suspend in vessel fuel morements IMM OR Insert control rod withdrawal blocks IMM AND Verify all Rods fully in IMM
118
When is it required for all control rods to be fully inserted by 3.9.3?
When loading fuel assemblies into the core
119
When loading fuel assemblies into the core, what is required if one or more control rod is not fully inserted?
Suspend fuel movements IMMEDIATELY
120
What is required fore a full-in CR that is not full-in?
IMMEDIATELY! Suspend in-vessel fuel morement AND Suspend control rod withdrawal AND Initiate action to fully insert all control rods in core cells with >1 assembly OR A.2.1 - Initiate action to fully insert CR associated with INOP position indication AND A.2.2 - Initiate action to disarm the CRD associated with INOP position
121
What is required for an INOOP control rod during Refuel?
If one or more is withdrawn, initiate action to fully insert inop CR IMMEDIATELY
122
What is the required water level in RPV during fuel morements?
At least 23ft above RPV flange top
123
If RPV water level not met during fuel moves, what is required?
Suspend fuel movement IMMEDIATELY
124
When is the water level not required to be 23ft above RPV flange when moving fuel?
When there is no irradiated fuel in the RPV and you're moving new fuel
125
What is required when fire detection instrumentation is inoperable?
Establish fire watch patrol within 1 hours AND Perform hourly fire watch for access areas and once per 8 hours for inaccess areas AND Restore within 14 days
126
When is the Fire Water supply system required to be OPERABLE?
AT ALL TIMES
127
If one fire pump INOP, what is requried?
Restore within 7 days and prepare CAP report
128
If 2 fire pumps are INOP waht is required?
Establish backup within 24 hours OR | MODE 3 in 12 and MODE 4 in 36
129
What is required for Water Suppression System INOP?
Establish Fire Watch within 1 hour (for Turb Oil and H2 Oil areas (continuous), inaccessible areas(once per 8 hours), and areas with Operable detection (8 hours))
130
What are the gaseous fire patrol times?
CO2 - 1 hour | Halon - Continuous
131
What are the Battery Parameters for the 24/48vdc?
Electrolyte Temp : 65F Total Batt Voltage: 24.2V Min. Batt Voltage 20..9V
132
24/48vdc TRM: A. One or more batteris with one or more cell parameters not within the table Category A or B limits. "B. Required action and completion time of condition A not met. OR One or more batteries with avg electrolyte temp of representative cells not within limits OR One or more batteries with one or more battery cell parameters not within Category C limits." C. One or more 24/48 VDC electrical pwr source INOP.
Verify Pilot Cell(s) electrolyte level and float voltage meet Category C limits. Declare associated Battery INOP. Declare all associated loads supplied by the source INOP.