Tech Specs Flashcards
3.1.4 - Rod Group Alignment Limits
- LCO
- Applicability
- < 1 hour actions
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.
-
One or more rods inop. or more than 1 rod out of alignment:
3.1.5 - Shutdown Bank Insertion Limits
- LCO
- Applicability
- < 1 Hour Actions
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.
-
One or more shutdown banks not w/in limits:
3.1.6 - Control Bank Insertion Limits
- LCO
- Applicability
- < 1 Hour Actions
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.
-
Control Bank Insertion Limits not met:
-
Key Insertion Limits:
- __0% Power - 46 Steps on C, 161 on B.
- 100% Power - 161 Steps on D.
3.1.7 - Rod Position Indication
- LCO
- Applicability
- < 1 Hour Actions
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.
-
More than 1 DRPI per group inoperable for one or more group:
3.2.1 - Heat Flux Hot Channel Factor (FQ(Z))
- FQ(Z) Definition
- Fuel Design Criteria
- 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.
-
FCQ(Z) not w/in limits:
-
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.
3.2.2 - Nuclear Enthalpy Rise Hot Channel Factor (FNΔH)
- What is (FNΔH) Measuring?
- FNΔH shall be within limits of COLR
- Measure of max total power produced in a fuel rod.
- Mode 1
3.2.3 - Axial Flux Difference
- FSAR 16.2.1 AFD Monitor requirements
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
-
AFD not in limits
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.
3.2.4 - Quadrant Power Tilt Ratio
- LCO
- Applicability
- < 1 Hour Actions
QPTR shall be < 1.02
Applicable in Mode 1 w/ Power > 50%
No < 1 hour Actions.
3.3.1 - Rx Trip System Instrumentation
- Think NIs and P’s
- 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 SR Channel Inoperable - M2 < P-6
- 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.
3.3.5 - Loss of Power DG Start Instrumentation
- LCO
- Applicability
- < 1 hour actions
- Basis Notes
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.
-
One or more functions w/ two or more channels per function inoperable:
3.3.9 - BDMS
- LCO
- Applicability
- < 1 Hour Actions
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
-
Two Trains Inoperable:
3.4.1 - RCS Pressure, Temp, and Flow DNB Limits
- Requirements
- Applicability
- < 1 hour action statements
- 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.
3.4.2 - RCS Minimum Temp for Criticality
- LCO Statement
- Applicability
- < 1 hour action statement
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.
-
Tavg in one or more loops outside limit:
3.4.3 - RCS P/T Limits
- LCO
- Applicability
- < 1 hour actions
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
3.4.4 - RCS Loops: Modes 1 and 2
- LCO
- Applicability
- < 1 hour actions
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.
3.4.5 - RCS Loops - Mode 3
- LCO
- Applicability
- < 1 hour actions
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
-
One of two required RCS Loops not in operation w/ Rods capable of W/D: