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Tech Specs Flashcards

1
Q

3.1.4 - Rod Group Alignment Limits

  • LCO
  • Applicability
  • < 1 hour actions
A

All shutdown and control rods shall be Operable and DRPI shall be within 12 steps of group step counters.

Applicable in Modes 1 & 2

  • Actions:
    • One or more rods inop. or more than 1 rod out of alignment:
      • Verify SDM within 1 hour; OR
      • Borate to SDM requirement within 1 hour.
    • Exactly one rod not within alignment:
      • Restore alignment within 1 hour; OR
      • Verify SDM or Initiate Boration to restore SDM within 1 hour.
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2
Q

3.1.5 - Shutdown Bank Insertion Limits

  • LCO
  • Applicability
  • < 1 Hour Actions
A

Each shutdown bank shall be within their COLR insertion Limits

Note: N/A during rod freedom of movement surveillance

Applicable in Mode 1 & Mode 2: w/ any control bank not fully inserted.

  • Actions:
    • One or more shutdown banks not w/in limits:
      • Verify SDM or initiate boration to restore SDM within 1 hour.
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3
Q

3.1.6 - Control Bank Insertion Limits

  • LCO
  • Applicability
  • < 1 Hour Actions
A

The control banks shall be within their COLR insertion, sequence, and overlap limits.

N/A during rod freedom of movement surveillance.

Applicable in Mode 1 & Mode 2 (Keff > 1.0)

  • Actions:
    • Control Bank Insertion Limits not met:
      • Verify SDM OR initiate boration to restore SDM within 1 hour.
    • Control Bank Sequence or overlap not met:
      • Verify SDM or initiate boration to restore SDM within 1 hour.
  • ​Key Insertion Limits:
    • _​_0% Power - 46 Steps on C, 161 on B.
    • 100% Power - 161 Steps on D.
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4
Q

3.1.7 - Rod Position Indication

  • LCO
  • Applicability
  • < 1 Hour Actions
A

DRPI and demand position indication system shall be operable

Applicable in Modes 1 & 2

  • Actions:
    • More than 1 DRPI per group inoperable for one or more group:
      • _​_Place rods in manual - IMMEDIATELY; AND
      • Monitor and record Tavg once per hour.
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5
Q

3.2.1 - Heat Flux Hot Channel Factor (FQ(Z))

  • FQ(Z) Definition
  • Fuel Design Criteria
A
  • FQ(Z) shall be w/in COLR Limits
  • Mode 1
    • FCQ(Z) not w/in limits:
      • Reduce power > 1% for each % that FCQ(Z) exceeds limit within 15 minutes.
  • Fuel Design:
    • _​_Tclad < 2200°F on LOCA
    • 95% probability at 95% confidence (95/95 criteria) that the hot rod has no DNB on loss of forced flow accident.
    • Avg fuel pellet enthalpy < 200 cal/gm on rod ejection.
    • Control/Shutdown banks shutdow Rx with required SDM with most reactive rod stuck.
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6
Q

3.2.2 - Nuclear Enthalpy Rise Hot Channel Factor (FNΔH)

  • What is (FNΔH​) Measuring?
A
  • FNΔH​ shall be within limits of COLR
    • Measure of max total power produced in a fuel rod.
  • Mode 1
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7
Q

3.2.3 - Axial Flux Difference

  • ​FSAR 16.2.1 AFD Monitor requirements
A

Definition: AFD Shall be the Δ between the top & bottom halves of an excore NI.

The AFD in % flux difference units shall be maintained within limits specified in COLR.

Note: AFD is outside limits when 2 or more operable excore channels indicate AFD Outside Limits.

Applicable in Mode 1 w/ Power > 50%

  • Actions:
    • AFD not in limits
      • ​Reduce Power < 50% within 30 minutes

​Note: AFD Monitor is not available if MUX E or Plant Computer down.

  • FSAR 16.2.1 - AFD Monitor also must be available whe LCO 3.2.3 applies, if inoperable, perform OSP-SE-00002 at least once per hour for 24 hours, then 30 mins thereafter. Not required if restored within 15 minutes.
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8
Q

3.2.4 - Quadrant Power Tilt Ratio

  • LCO
  • Applicability
  • < 1 Hour Actions
A

QPTR shall be < 1.02

Applicable in Mode 1 w/ Power > 50%

No < 1 hour Actions.

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9
Q

3.3.1 - Rx Trip System Instrumentation

  • Think NIs and P’s
A
  • The RTS instrumentation for each Function in Table 3.3.1-1 shall be OPERABLE.
    • One SR Channel Inoperable - M2 < P-6
      • Suspend operations involving (+) ρ additions IMMEDIATELY
    • Two SR Channels Inoperable - M2 < P-6 and M3-5 w/ Rods capable of withdrawal or group/rod out.
      • Open Rx Trip Breakers - IMMEDIATELY
    • Two IR Channels Inoperable - M1 < P-10 and M2 > P-6
      • Suspend operations involving (+)ρ addition - IMMEDIATELY
  • One or more P-10 (PR) channels Inoperable - M1 & M2
  • One or more P-6 (IR) Channels Inoperable - M2 < P-6
  • One or more channels of P-7, P-8, P-9, or P-13 Inoperable - M1
    • All 3 verfity interlock is in required state for existing conditions - 1 hour.
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10
Q

3.3.5 - Loss of Power DG Start Instrumentation

  • LCO
  • Applicability
  • < 1 hour actions
  • Basis Notes
A

4 channels of instantaneous UV Function and 4 channels of degraded voltage function shall be OPERABLE per bus.

Applicable in Modes 1-4, when DG required to be operable per 3.8.2 (Modes 5-6 & during movemement of irradiated fuel)

  • Actions:
    • One or more functions w/ two or more channels per function inoperable:
      • Declare associated LSELS Inoperable
      • Basis: Closing NG tie breaker in Modes 1-4 renders all 4 degraded voltage channelsw inoperable.
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11
Q

3.3.9 - BDMS

  • LCO
  • Applicability
  • < 1 Hour Actions
A

Two trains of BDMS shall be operable and one RCS Loop shall be in operation.

Applicable in M2 < P-6, M3-5

  • May be blocked when appropriate:
    • Subrictical physics testing.
    • M3 during SD Bank Movement
    • M2 Prior to & after control bank movement.
  • Actions:
    • Two Trains Inoperable:
      • _​_Suspend operations involving (+)ρ additions - IMMEDIATELY
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12
Q

3.4.1 - RCS Pressure, Temp, and Flow DNB Limits

  • Requirements
  • Applicability
  • < 1 hour action statements
A
  • RCS DNB parameters for PPZR, RCS Tavg, and RCS flowrate shall be:
    • PPZR > 2,195 psig
    • Tavg < 590.1°F
    • RCS Flow > 382,630 gpm
  • Mode 1 (Note PPZR limit doesn’t apply during power ramp > 5%/min or step > 10%)
    • No < 1 hr actions.
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13
Q

3.4.2 - RCS Minimum Temp for Criticality

  • LCO Statement
  • Applicability
  • < 1 hour action statement
A

Each Operating Loop Tavg shall be > 551°F

Applicable in Mode 1 & Mode 2 w/ Keff > 1.0

  • Actions:
    • Tavg in one or more loops outside limit:
      • _​_Be in Mode 2 with Keff < 1.0 in 30 minutes.
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14
Q

3.4.3 - RCS P/T Limits

  • LCO
  • Applicability
  • < 1 hour actions
A

RCS Press, Temp, H/U Rate & C/D Rate shall be within the limits of the PTLR.

  • Applicable at all times.

Actions:

  • Limits exceeded in M1-4: Restore parameters to limits in < 30 minutes
  • Limits exceeded in M5-6: Initiate action to restore parameters to w/in limits IMMEDIATELY
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15
Q

3.4.4 - RCS Loops: Modes 1 and 2

  • LCO
  • Applicability
  • < 1 hour actions
A

Four RCS Loops shall be operable & in operation.

Applicable in MODES 1 & 2

No < 1 hour actions

Basis Notes:

  • 4 Loops required to be in compliance w/ safety analysis for DNB at power.
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16
Q

3.4.5 - RCS Loops - Mode 3

  • LCO
  • Applicability
  • < 1 hour actions
A

When rod control is capable of W/D: 2 Loops Operable and in Operation.

When rod control is not capable of W/D: 2 Loops Operable and one in operation.

Note: All RCPs may be secured for < 1 hour/8 hour period, provided:

  • No water admitted to RCS with CB less than required for SDM.
  • Core outlet maintained at least 10°F subcooled.
  • Actions:
    • One of two required RCS Loops not in operation w/ Rods capable of W/D:
      • _​_Restore loop to operation - 1 Hour; OR
      • Place rods in condition incapable of withdrawal - 1 hour.
    • Required RCS Loops inoperable or NO RCS Loops in Operation:
      • Make rods incapable of withdrawal - IMMEDIATELY; AND
      • Suspend operations that could cause dilution - IMMEDIATELY; AND
      • Initiate action to restore a RCS Loop to operable and in operation - IMMEDIATELY
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17
Q

3.4.5 - RCS Loops: Mode 4

  • LCO
  • Applicability
  • < 1 hour actions
A

2 of 6 loops in operation, 1 of 6 in operation.

Note:

  • All RCPs may be secured for < 1 hour/8 hour period, provided:
    • No water admitted to RCS with CB less than required for SDM.
    • Core outlet maintained at least 10°F subcooled.
  • No RCP Shall be started w/ Tavg < 275°F unless SG Water temp is < 50°F above all the RCS TC Temps.

Applicable in Mode 4

Actions:

  • One required loop inoperable
    • _​_Initiate action to restore 2nd loop to operable IMMEDIATELY
  • With no loops Operable or no loops operating:
    • _​_Suspend operations that culd cause a dilution - IMMEDIATELY; AND
    • Initiate actions to restore one loop to operable and in operation.
18
Q

3.4.7 - RCS Loops: Mode 5, Loops Filled

  • LCO
  • Applicability
  • < 1 Hour Action Statements
A

Two RHR Loops shall be operable & one in operation

OR

One RHR Loop shall be operable and in operations with 2 SGs > 86% WR Level

Note:

  • All RCPs may be secured for < 1 hour/8 hour period, provided:
    • No water admitted to RCS with CB less than required for SDM.
    • Core outlet maintained at least 10°F subcooled.
  • No RCP Shall be started w/ Tavg < 275°F unless SG Water temp is < 50°F above all the RCS TC Temps.
  • All RHR Loops may be removed from operation during planned heatup to Mode 4 when at least one RCS Loop is in operation.
  • No RCP shall be started w/ TC < 275°F unless SG temp < 50°F above all TC’s
  • One req’d RHR Loop may be inoperable for up to 2 hrs for surveillance provided the other RHR loop is operable and in operation.

Actions:

  • One RHR Loop in Operation and Req’d SG Level < 86% WR:
    • _​_Initiate action to restore second RHR Loop to operable - IMMEDIATELY; AND
    • ​Initiate action to restore required S/G Levels - IMMEDIATELY
  • Not enough RHR Loops Operable OR no RHR Loop in operation:
    • _​_Suspend operations that could cause RCS dilution and lead to loss of SDM - IMMEDIATELY; AND
    • Initiate action to restore one RHR Train to operable status & in operation - IMMEDIATELY
19
Q

3.4.8 - RCS Loops - Mode 5, Loops not filled

  • LCO
  • Applicability
  • < 1 hour actions
A

Two RHR Trains shall be operable & one in operation.

Note: All RHR pumps may be secured < 1 hour provided:

  • No water is allowed into RCS w/ CB less than required for SDM.
  • Core outlet temp is maintained at least 10°F subcooled
  • No draining operations to further reduce inventory is permitted.

Actions:

  • One RHR Loop Inoperable:
    • Initiate action to restore RHR Loop to Operable - IMMEDIATELY
  • With No RHR Loops Operable and no RHR Loops in operation:
    • _​_Suspend operations that could cause introduction of coolant with less than required CB for SDM - IMMEDIATELY; AND
    • Initiate action to restore one RHR Loop to operable and in operation - IMMEDIATELY
20
Q

3.4.9 - Pressurizer

  • LCO
  • Applicability
  • < 1 hour actions
A

The PZR shall be operable with:

  • LPZR < 92%
  • Two groups of backup PZR htrs operable w/ at least 150 KW.

Applicable in MODES 1-3

  • Operable heaters can maintain RCS near NOP. Capable of being powered from offsite or emergency source.
  • Operation of PZR in M3 is included to prevent solid operation during heatup and cooldown to avoid pressure transients caused by normal operations such as RCP Startup.
21
Q

3.4.10 - PZR Safeties

  • LCO
  • Applicability
  • < 1 hour actions
A

Three safeties operable with lift settings of 2460 ±49 psig

Applicable in Modes 1-3 & Mode 4 w/ TC > 275°F

Note: Lift settings not required to be in limits during Mode 3 & 4 to allow setting safeties under hot conditions. Allowed for 54 hours following entry into M3 provided a prelim cold setting was made prior to H/U.

Actions:

  • One safety inoperable:
    • Restore to operable in 15 minutes.

Basis:

  • Designed to prevent SL of 2735 psig (110% of 2485 psig design limit)
  • Min relief capacity (420,000 lbm/hr @ 2485 psig + 3% accumulation) based on transient from loss of stem flow to turbine @ 100%.
22
Q

3.4.11 - PORVs

  • LCO
  • Applicability
  • < 1 hour actions
A

Each PORV and block valve shall be operable.

Applicable in MODES 1-3

Seperate entry condition is allowed for each PORV and each block valve

Actions:

  • One or More PORVs inoperable solely due to seat leakage:
    • _​_Close & maintain power to block valve - 1 hour
  • One PORV valve inoperable (not seat leakage):
    • _​_Close and remove power to block valve - 1 hour
  • One block valve inoperable:
    • _​_Place associated PORV in manual - 1 hour
  • Both PORVs inoperable (not seat leakage):
    • _​_Close and remove power to both block valves - 1 hour
23
Q

3.4.12 - COMS

  • LCO
  • Applicability
  • < 1 hour actions
A

Coms shall be operable with:

  • No SI pumps capable of injecting
  • One CCP capable of injecting
  • SI Accumulators isolated
  • One of the following relief paths:
    • Two PORVs w/ lift settigns IAW PTLR
    • Two RHR suction releifs (450 ±13.5 psig)
    • One PORV & one RHR Suction Relief as above)
    • RCS depressurized w/ vent > 2 in2

Applicable in M4 w/ TC < 275°F; M5; and M6 w/ head still on. (LCO 3.0.4.b N/A when entering M4)

Actions:

  • Any SI pump capable of injecting:
    • _​_Initiate action to make them incapable - IMMEDIATELY
  • Two CCPs capable of injecting:
    • _​_Initiate action to make it so only one is capable - IMMEDIATELY
  • Accumulator not isolated whose pressure > max allowed per PTLR:
    • _​_Isolate affected accumulator - 1 hour
24
Q

3.4.13 - Operational Leakage

  • LCO
  • Applicability
  • < 1 hour actions
A

RCS Operational leakage shall be limited to:

  • No pressure boundary leakage
  • 1 gpm unidentified leakage
  • 10 gpm identified leakage
  • 150 gpd primary to secondary thru any one S/G

Applicable in Modes 1-4

25
**_3.4.14 - RCS Pressure Isolate Valve Leakage_** * LCO * Applicability * _\<_ 1 hour actions
Leakage thru each PIV\* shall be \< 0.5 gpm per inch of valve size up to a max of 5 gpm at 2235 ±20 psig. Applicable in Modes 1-3, & Mode 4 except for valve in RHR flowpath. \*PIVs are any two N.C. valves in series withing the RCPB which seperate the high from low pressure system. \*PIVs listed in TSBs w/ max allowable leakage
26
**_3.4.15 - RCS Leak Detection Instrumentation_** * LCO * Applicability * _\<_ 1 hour actions
Three forms of RCS leakage instrumentation shall be operable: * CTMT Sump & Flow Monitoring alarm * One CTMT Atmosphere rad monitor (GT-RE-31 or 32) * CTMT Cooler Condensate monitoring system Applicable in MODES 1-4 _Actions:_ * _If ALL monitoring methods inop:_ * ​Enter LCO 3.0.3 IMMEDIATELY
27
**_3.4.16 - RCS Activity_** * LCO * Applicability * _\<_ 1 hour actions
RCS I-131 & Xe-133 activity shall be: * I-131 _\<_ 1.0 µCi/gm * Xe-133 _\<_ 225 µCi/gm Applicable in MODES 1-4
28
**_3.4.17 - SG Tube Integrity_** * LCO * Applicability * _\<_ 1 hour actions
S/G tube integrity shall be maintained, _AND_ all S/G tubes meeting repair criteria shall be plugged. Applicable in MODES 1-4 _Basis:_ * A Tube must be plugged if cracks or flaws are found that have a depth \> 40% of tube wall thickness.
29
**_3.6.3 - CTMT Isolation Valves_** * LCO * Applicability * _\<_ 1 hour actions
Each CTMT isolation valve shall be operable: * Pen. flow paths (except for CTMT S/D Purge) may be unisolated intermittently under admin controls. * Enter LCO for systems made inoperable by CTMT isolation. * Enter 3.6.1 if leakage exceeds overal CTMT leakage rate. Applicable in MODES 1-4 _Actions:_ * _One or more pen. flowpaths with 2 of 2 CTMT isolation valves inoperable (except CTMT purge):_ * _​_Isolate the affected pen. with at least one closed & de-activated auto valve, closed manual valve, or blind flange - 1 hour.
30
**_3.7.1 - MS Safeties_** * LCO * Applicability * _\<_ 1 hour actions
Five MSSVs per S/G shall be operable. Applicable in MODES 1-3 Lift settigns 1185, 1197, 1210, 1222, 1234 psig (+3%/-1%) * Based on transients @ 100% * Relieve 105% of rated flow at 110% * SR 3.7.1.1 requires setpoints ±1% (as left)
31
**_3.7.2 - MSIVs_** * LCO * Applicability * _\<_ 1 hour actions
Four MSIVs & their actuators must be operable. Applicable in MODES 1-3 unless they are closed, deactivated, and isolated. _Actions:_ * _Two actuator trains for ONE MSIV inoperable:_ * _​_Declare affected MSIV Inoperable - IMMEDIATELY * _Three or more actuator trains inoperable:_ * _​_Declare affected MSIVs inoperable - IMMEDIATELY _Notes:_ * Closure times of MSIVs must be within limits of Fig. B 3.7.2-1: ~10-11 seconds.
32
**_3.7.3 - MFRV, MFRBV, FWIV_** * LCO * Applicability * _\<_ 1 hour actions
Four FRVs, FRV Bypasses, and FWIVs shall be operable. Applicable in MODES 1-3 unless they are closed, deactivated, and isolated. _Notes:_ * Closure time for FRVs & FRBVs shall be _\<_ 15 seconds. * FWIVs must close w/in limits of Figure 3.7.3-1 (T/S Basis) ~ 10 seconds. * Only closing function needed to be _OPERABLE_ * N2 accumulator must be \> 400 psig to be _OPERABLE_
33
**_3.7.4 - ASDs_** * LCO * Applicability * _\<_ 1 hour actions
Fours ASDs shall be OPERABLE. Applicable in MODES 1-3 _Actions:_ * _One or more required ASDs inoperable because of excessive seat leakage:_ * _​_Initiate action to close associated manual isoaltion valve(s) - IMMEDIATELY _Notes:_ * Valves will pass sufficient flow to C/D @ 50°F/hr at all pressures * Total capacity of 4 ASDs is ~ 15% rated steam flow @ no load pressure * _OPERABLE_ when capable of providing controlled relief of MS Flow & is not experiencing excessive seat leakage.
34
**_3.7.5 - Aux Feedwater_** * LCO * Applicability * _\<_ 1 hour actions
All three AFW trains shall be OPERABLE. Applicable in Modes 1-3 _Actions:_ * _Three Trains Inoperable:_ * _​_Initiate action to restore one train to operable - IMMEDIATELY
35
**_3.7.6 - CST_** * LCO * Applicability * _\<_ 1 hour actions
CST Shall contain 281,000 gallons Applicable in Modes 1-3 _Basis:_ * 4 hours in HSBY & 4 HRS to C/D to RHR entry conditions (50°F/Hr to 350°F)
36
**_3.7.18 - Secondary Activity_** * LCO * Applicability * _\<_ 1 hour actions
Secondary activity shall be _\<_ 0.1 µci/g dose equivalent of I-131 Applicable in Modes 1-4 _Actions:_ * _Not within limits:_ * _​_M3 in 6 hours * M5 in 36 hours _Basis_ * Limits consequences of DBA Loca to small Fraction of limit @ 2 hr exclusion area for 10CFR100.
37
**_3.7.19 - Secondary System Isolation Valves_** * LCO * Applicability * _\<_ 1 hour actions
The SSIVs shall be OPEABLE. Applicable in Modes 1-3 unless they are closed, deactiviated, and isolated. BM-HV-1 thu 4; 19 thru 22; 35 thru 38; 65 thru 68 AE-HV-128 thru 131 (SG Chem Injection Valves)
38
**_3.8.1 - AC Sources - Operating_** * LCO * Applicability * _\<_​ 1 hour actions
The following AC Sources shall be OPERABLE: * 2 qualified circuits between offsite transmission network and onsite Class 1E * 2 EDGs capable of supplying onsite Class 1E * 2 Trains of LSELS Applicable in MODES 1-4 _Actions:_ * _One offsite source inoperable:_ * _​_Perform offsite source verification for operable circuit - 1 Hour * _One EDG inoperable:_ * _​_Perform offsite source verification - 1 Hour * _One train of LSELS inoperable:_ * _​_Declare the associated EDG _and_ offsite source inoperable - IMMEDIATELY * _With 3 or more AC Sources inoperable:_ * _​_Enter LCO 3.0.3 - IMMEDIATELY _Basis:_ * A circuit may be connected to both busses provided actions are entered for loss of one offsite circuit.
39
**_3.8.2 - AC Sources - Shutdown_** * LCO * Applicability * _\<_ 1 hour actions
Shall be OPERABLE: * One qualified circuit between offsite transmission network and onsite Class 1E * One EDG capable of supplying one train of onsite Class 1E * The shutdown portion of one LSELS train associated w/ the required AC/DC Train Applicable in Modes 5-6 and during movement of irradiated fuel. _Actions:_ * _The required offsite source inoperable:_ * _​_Declare affected required features w/ no power inoperable - IMMEDIATELY; OR * Suspend core alteraions - IMMEDIATELY; AND * Suspend movement of irradiated fuel - IMMEDIATELY; AND * Suspend operations involving (+)ρ additions that could lead to loss of SDM - IMMEDIATELY; AND * Initiate action to restore offsite source to Operable - IMMEDIATELY * _The required EDG Inoperable:_ * _​__​_Declare affected required features w/ no power inoperable - IMMEDIATELY; OR * Suspend core alteraions - IMMEDIATELY; AND * Suspend movement of irradiated fuel - IMMEDIATELY; AND * Suspend operations involving (+)ρ additions that could lead to loss of SDM - IMMEDIATELY; AND * Initiate action to restore EDG to Operable - IMMEDIATELY * _LSELS Inoperable:_ * _​_Declare EDG and Offsite Source Inoperable - IMMEDIATELY *
40
**_3.8.3 - EDG Fuel Oil, Lube Oil, and Starting Air_** * LCO * Applicability * _\<_ 1 hour actions
The stored fuel oil, lube oil, and starting air systems shall be within limits for each required EDG. * Fuel Oil _\>_ 80,900 gal w/ no water * Lube Oil _\>_ 750 gal * Starting Air: * 2 receivers _\>_ 435 psig * 1 receiver _\>_ 610 psig Applicable when EDG Required to be OPERABLE _Actions:_ * _Fuel Oil 69,800 - 80,900 gallons, lube oil 685 - 750 gallons, or air pressure 250-435 psig in two receivers or 300-610 psig in one receiver:_ * _​_Restore w/in 48 hours * _Time not met or outside these limits:_ * _​_Declare EDG Inoperable - IMMEDIATELY _Notes:_ * Cross connecting fuel oil systems renders both EDG's inoperable unless in MODE 5 or 6 IAW LCO 3.8.2 they may be cross-connected under Admin Controls.
41
**_3.9.3 - NIs - Refueling Operations_** * LCO * Applicability * _\<_ 1 hour actions
Two SR monitors shall be operable Applicable in MODE 6 _Actions:_ * _One SR inoperable:_ * _​_Suspend core alterations - IMMEDIATELY; AND * Suspend operations which would cause dilution - IMMEDIATELY * _Two SR Inoperable:_ * _​_Initiate action to restore one SR monitor to operable - IMMEDIATELY
42

ILT 2022 (6 decks)

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