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POP04's > Test 2 > Flashcards

Test 2 Flashcards

1
Q
  • 0POP04-CV-0003 Emergency Boration*
    • *

What are the ways we can emergency borate as described in 0POP04-CV-0003 Emergency Boration?

A
  • Train “A” Only (If necessary):*
  • *BAT Tank → Boric Acid Pump → MOV-0218 → CCP**
  • Train “C” Only (If necessary):*
  • *Gravity Feed**

RWST

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2
Q
  • 0POP04-CV-0003 Emergency Boration*
    • *

What must be done if excess letdown is aligned to the CCP suction and it is desired to use the RWST or gravity to emergency borate?

A

Align excess letdown to VCT

Since Excess Letdown may be of a higher pressure than the boration flowpath from the BAT using Gravity Feed or using the RWST, it is necessary to ensure that Excess Letdown is aligned to the VCT rather than the charging pump suction.

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3
Q
  • TRM 3.1.2.5 Borated Water Sources - Shutdown*
    • *

What borated sources of water must be available in MODE 5-6?

A

BAT:
≥ 3200 gal
≥ 7000 ppm Boron
≥ 65 ˚F

RWST:
MODE 5: 122,000 gal
MODE 6: 33,000 gal
2800 ppm - 3000 ppm Boron

Need one of the above.

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4
Q
  • TRM 3.1.2.6 Borated Water Sources - Operating*
    • *

What borated sources of water must be available in MODE 1-4?

A

BAT:
≥ 27,000 gal
≥ 7000 ppm Boron
≥ 65 ˚F

RWST:
≥ 458,000 gal
2800 ppm - 3000 ppm

  • Need both for MODES 1-3
  • Need 1 for MODE 4
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7
Q
  • 0POP04-CV-0003 Emergency Boration*
    • *

What flowrate must be maintained when emergency borating with the CCP?

A

≥ 50 gpm

  • CCP: 50 gpm
  • Gravity Feed: 50 gpm
  • RWST: 190 gpm

Note:
50 gpm is chosen b/c 30 gpm is required by tech specs and 20 gpm is for seals

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8
Q
  • 0POP04-CV-0003 Emergency Boration*
    • *

How long do we emergency borate?

A
  • MODES 1-2:*
  • *Bank Insert Lo-Lo clears**
  • MODES 3-5:*
  • *SDM of LCO 3.1.1.1 satisfied**
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9
Q
  • LOT 202.24 CL-ACW*
    • *

What will auto start/trip the CL-ACW pumps?

A

Auto Starts:
Discharge Header Pressure - Low (60 psig)
Trip of running pump

  • Trips:*
  • *Ground Fault**

Overcurrent

Undervoltage

Controlled from CP009/Local

Note:
SW/FW HX Common discharge pressure on CP009 NOT pump discharge pressure.

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10
Q
  • 0POP04-AC-0003 Loss of CL-ACW*
    • *

What must be done if either of the following conditions exist?

  • All CL-ACW pumps are off and unavailable
  • CL-ACW pressure is unstable and CL-ACW Surge Tank Level is low out of sight
A

Trip the Rx

Trip the Turbine

Perform 0POP05-EO-EO00

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11
Q
  • 0POP04-DC-0001 Loss of 250VDC Power*
    • *

If the 250VDC switchboard is lost and a turbine trip occurs, then how does an operator isolate the main generator electrically?

A

Open Y510 (Y590) and Y520 (Y600)

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12
Q
  • 0POP04-DC-0001 Loss of 250VDC Power*
    • *

If power is lost to the 250VDC switchboard, the turbine trips, and a LOOP occurs at the same time, what must the operator do?

A

Depressurize the MG within 2 hrs

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13
Q
  • LOT 202.44 QDPS*
    • *

Where are the QDPS cabinets physically located?

A
  • Train “A”:*
  • *Train “A” Sequencer (EAB 10’)**
  • APC-A1, APC-A2, DPU A*
  • Train “B”:*
  • *Train “B” Sequencer (EAB 10’)**
  • APC-B1, APC-B2*
  • Train “C”:*
  • *Train “C” Sequencer (EAB 10’)**
  • APC-C1, APC-C2, DPU C*
  • Train “D”:*
  • *ASP Room (EAB 10’)**
  • APC-D1, APC-D2*
  • RPU-N:*
  • *Relay Room (EAB 35’)**
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14
Q
  • LOT 202.44 QDPS*
    • *

The upper section of the APC-2 cabinets provide valve control for which valves?

A
  • *SG PORVs**
  • Manual AND Automatic*
  • *AFW throttle valves**
  • Automatic ONLY*
  • *Rx head vent valves**
  • Manual ONLY*

SG PORVs controlled from MCR AND ASP.

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15
Q
  • LOT 202.44 QDPS*
    • *

What powers the various components in QDPS?

A
  • APC-1s and APC-2s:*
  • *DP1201 - DP1204**
  • DPUs:*
  • *DP001/DP002**
  • Plasma Displays:*
  • *DP001/DP002**
  • Demultipliers:*
  • *DP005**
  • CP002/CP018/ASP*
  • RPU-N:*
  • *DP006**
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17
Q
  • 0POP04-AM-0001 Loss of QDPS*
    • *

What equipment is affected if APC-1 is lost?

A

SG PORV 1A/1B/1C/1D Auto Setpoint Stuck (APC-A1/B1/C1/D1)

RHR A/B/C Trip (APC-A1/B1/C1)

  • *LT-465 / LT-467 / LT-468 Fail (APC-A1/B1/C1)**
  • LV-465 / LV-468 / FV-11 Close based on LT-465 / LT-468*

FCV-0205 Fails Open (APC-A1)

Disables PORV-656A COMS (APC-B1)

Disables PORV-655A COMS (APC-D1)

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18
Q
  • 0POP04-AM-0001 Loss of QDPS*
    • *

What equipment is affected if APC-2 is lost?

A

MFRVs / LPFRVs (APC-A2)

SG PORV 1A/1B/1C/1D Local Control (APC-A2/B2/C2/D2)

AFW FRV Flow Controller (APC-A2/B2/C2/D2)

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19
Q
  • 0POP04-FC-0002 Refueling LOCA*
    • *

What SFP level will require the operator to secure all SFP cooling pumps?

A

63 feet

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20
Q
  • 0POP04-DA-0001 Loss of Non-Class 125VDC Power*
    • *

When non-class 125VDC bus 1A is lost, what should the operator be concerned with as far as the MSDT and LPHD pumps?

A

Loss of 1A will cause the turbine to trip

LPHD / MSDT Pumps may lose suction in ≈ 1 min on a turbine trip and will not auto trip due to a loss of DC control power.

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21
Q
  • 0POP04-RC-0008 Boron Dilution Event*
    • *

When is 0POP04-RC-0008 Boron Dilution Event applicable?

A

MODES 4-6 w/ no RCPs operating

Does not apply to dilution water added to the Rx cavity during decon.

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22
Q
  • 0POP04-RC-0008 Boron Dilution Event*
    • *

Why does 0POP04-RC-0008 prevent the operator from starting RCPs or shifting the RHR configuration?

A

Could introduce a slug of unborated water into the core

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23
Q
  • 0POP04-RC-0008 Boron Dilution Event*
    • *

If using a LHSI to borate the RCS, what must the operator do with regards to the operating RHR pump?

A

Ensure RHR is NOT running on the same train as the LHSI to be used to borate the RCS

LHSI will occur even if the RHR HX outlet / bypass valves indicate full closed. (≈ 350 gpm when indicating closed)

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24
Q
  • 0POP04-RC-0008 Boron Dilution Event*
    • *

For analyses requiring operator action, how much time is between the SDM alarm sounding to the time when SDM is actually lost?

A

15 mins

Built into licensing basis to allow operators to respond to the casualty.

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25
Q
  • 0POP04-RC-0008 Boron Dilution Event*
    • *

How often must the inservice RHR train be sampled by chemistry?

A

Every 30 mins

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26
Q
  • 0POP04-FH-0001 Fuel Handling Accident*
    • *

If damage occurs to an irradiated fuel assembly during a fuel handling accident, what is the potential emergency classification?

A

Alert

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27
Q
  • 0POP04-FH-0001 Fuel Handling Accident*
    • *

After a fuel handling accident, how long does an operator have to place a train of CRE HVAC in emergency mode?

A

2 hrs

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28
Q
  • 0POP04-FH-0001 Fuel Handling Accident*
    • *

What must be done if a fuel handling accident occurs in the RCB and the equipment hatch is open?

A

Restrict access to equipment hatch platform

Close Equipment Hatch

Replace equipment hatch concrete shield

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29
Q
  • 0POP04-FH-0001 Fuel Handling Accident*
    • *

What must be done if an irradiated fuel assembly becomes stuck in the fuel transfer tube?

A

Perform POP02 to initiate emergency cooling of fuel transfer tube

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30
Q
  • 0POP04-ZO-0004 Personnel Emergencies*
    • *

If an injured person is contaminated and must be transported offsite, how long does the operator have to inform the NRC?

A

8 hours

Matagorda Regional Medical Center in Bay City is the preferred medical facility.

31
Q
  • 0POP04-ZO-0004 Personnel Emergencies*
    • *

When can 0POP04-ZO-0004 Personnel Emergencies be exited?

A

Ambulance is available for use
AND
EMT back on site
AND
Notifications are made
AND
All actions complete

32
Q
  • 0POP04-ZO-0008 Fire/Explosion*
    • *

When a fire or explosion occurs in the switchyard, when can plant personnel enter the switchyard?

A

Once Centerpoint Energy arrives and assesses the damage

33
Q
  • 0POP04-ZO-0008 Fire/Explosion*
    • *

What additional areas outside the PA are considered inside the PA with regards to fire fighting?

A

Circulating Water Intake Structure

Switchyard

34
Q
  • 0POP04-ZO-0008 Fire/Explosion*
    • *

How long does the operator have to inform the NRC if security must be pulled away from their post and it is NOT weather related?

A

1 hour

Applies to all safeguards security measures.

35
Q
  • 0POP04-ZO-0008 Fire/Explosion*
    • *

What conditions must exist before the operator actuates RCB sprinklers?

A

2nd cable tray line detector in same RCB quadrant alarms

Report of fire in RCB from fire brigade inside RCB

36
Q
  • 0POP04-ZO-0005 Chemical Spills / Toxic Gas Release*
    • *

Who is normally the spill response coordinator?

A

On-Duty Fire Brigade Team Leader

37
Q
  • 0POP04-ZO-0005 Chemical Spills / Toxic Gas Release*
    • *

How long does the operator have to inform the NRC if a toxic or flammable gas release is occuring within the site boundary or affecting the site?

A

1 Hour

Must also notify the Texas General Land Office (GLO) within 1 Hour.

38
Q
  • 0POP04-ZO-0005 Chemical Spills / Toxic Gas Release*
    • *

What is an unauthorized discharge of oil?

A

Harmful quantity of oil from site into coastal waters or threatens to enter coastal waters within 12 hrs.

Harmful quanity of oil is sufficient to create a visible film / sheen or cause sludge buildup beneath the water

Note:
Discharge into Main Cooling Reservoir does NOT constitute an unauthorized discharge

39
Q
  • 0POP04-ZO-0005 Chemical Spills / Toxic Gas Release*
    • *

What plant personnel must be informed of an unauthorized discharge?

A

Unit Operations Manager

On-Call Environmental Personnel

Duty Plant Manager

Resident NRC Inspector

40
Q
  • 0POP04-FC-0001 Loss of SFP Level / Cooling*
    • *

What SFP level and/or temperature would put you in 0POP04-FC-0001 Loss of SFP Level / Cooling?

A
  • Level:*
  • *Outside of 66 ft - 67 ft level band (ICS)**
  • Temperature:*
  • *> 129 ˚F (Core Loaded)**
  • Plant Curve Book (Core Unloaded)*
41
Q
  • 0POP04-FC-0001 Loss of SFP Level / Cooling*
    • *

If a very large leak occurs in the SFP, what should be used to refill the SFP?

A

Firewater

Should be transitioned to immediately due to the potential of very high rad levels in FHB.

42
Q
  • 0POP04-FC-0001 Loss of SFP Level / Cooling*
    • *

What spent fuel levels are actions warranted per the CIP for 0POP04-FC-0001 Loss of SFP Level / Cooling?

A
  • 63 Feet:*
  • *Secure SFP Pumps**
  • 62 Feet:*
  • *Secure Fuel Movement**
  • 58.5 Feet:*
  • *Unusual Event Classification**

Possible entry into SAMGs

43
Q
  • 0POP04-CC-0002 Loss of CCW*
    • *

What must be done if all CCW is secured and cannot be restarted?

A

Trip Reactor

Trip Turbine

  • *Trip RCPs**
  • Within 1 minute*

Perform 0POP05-EO-EO00

Will also start the PDP and secure CCPs later on in the procedure.

  • PDP is less susceptible to damage than CCPs for a loss of CCW.
44
Q
  • 0POP04-CC-0002 Loss of CCW*
    • *

With letdown, low pressure letdown, and excess letdown secured, PZR level will continue to rise with the PDP in operation. How is PZR level maintained between 85% - 90% in a complete loss of CCW?

A

Opening and closing the Rx Vessel Head Vent Isolation Valves.

Applies to 0POP04-EW-0001 Loss of ECW too.

45
Q
  • 0POP04-CC-0002 Loss of CCW*
    • *

What must RCS temperature be less than in order to run the RHR pumps without seal cooling?

A

< 120 ˚F

46
Q
  • 0POP04-EW-0001 Loss of ECW*
    • *

What must be done on a complete loss of ECW?

A

Trip Reactor

Place any running ESF DG in Pull-to-stop

Trip RCPs

Perform 0POP05-EO-EO00

47
Q
  • 0POP04-EW-0001 Loss of ECW*
    • *

What must be done if LOCAL CCW HX temperature is > 105 ˚F?

A

Ensure HCV-0285 100% Open

Start PDP

Throttle HCV-0285

Place CCPs in PTL

Shut FV-0011

Lower seal injection to 6.0 - 8.0 gpm

48
Q
  • 0POP04-MS-0001 Excessive Steam Demand*
    • *

What are your immediate action(s) for 0POP04-MS-0001 Excessive Steam Demand?

A

Lower Rx Power ≤ 100% using Main Turbine Governor Valve Limiter

49
Q
  • 0POP04-MS-0001 Excessive Steam Demand*
    • *

When is 0POP04-MS-0001 Excessive Steam Demand applicable?

A

MODES 1-3

Should only be used in MODE 3 if steam leak is causing a cooldown. Should not be used if only causing the heatup to go slower.

50
Q
  • 0POP04-ZO-0006 Accident at Nearby Chemical Plant*
    • *

When is 0POP04-ZO-0006 Accident at Nearby Chemical Plant entered?

A

Chemical accident within 10 miles of STP

51
Q
  • 0POP04-ZO-0006 Accident at Nearby Chemical Plant*
    • *

If a gaseous release impedes access to equipment necessary for normal plant operations / cooldown / shutdown, how long does the operator have to inform the NRC?

A

1 hour

52
Q
  • 0POP04-ZO-0007 Aircraft Crash Onsite*
    • *

When is 0POP04-ZO-0007 Aircraft crash onsite entered?

A

Aircraft crash within site boundary

53
Q
  • 0POP04-ZO-0007 Aircraft Crash Onsite*
    • *

Who must be notified of a plane crash onsite?

A

Southwest Regional FAA Communication Center

Located in Fort Worth

54
Q
  • 0POP04-AF-0001 AFW High Temperature*
    • *

What is the purpose of 0POP04-AF-0001 AFW Discharge Header High Temperature?

A

Provides guidance for AFW Check valve backleakage

Water from SG could enter AFW system and cause steam binding of AFW pumps

Operators take logs once per shift and alarm is set at 200 ˚F

Place on long path recirc to lower temp to ≤ 115 ˚F

Entry conditions are when temperature > 115 ˚F.

55
Q
  • 0POP04-AF-0001 AFW High Temperature*
    • *

What must the operator do if the AFW pump is on recirc and an AFW actuation occurs?

A
  • *Close and Lock the AFW Pump Recirc Line Isolation**
  • AF-0040/0070/0092/0037*
56
Q
  • LOT 202.28 AFW*
    • *

When will the terry turbine (MOV-0514) trip on overspeed?

A
  • *115%**
  • 100% speed is 3600 RPM*

Manual linkage reset after mechanical overspeed (≈ 4100 RPM)

Note:
Trip pushbutton on CP006/ASP is an electrical overspeed.

57
Q
  • 0POP04-AF-0001 AFW High Temperature*
    • *

What is the minimum time the terry turbine should be ran for during a terry turbine run?

A

≥ 30 mins

Allows time to drive moisture out of turbine and valve gland seals.

58
Q
  • 0POP04-GI-0001 Gas Intrusion*
    • *

What systems are we worried about in 0POP04-GI-0001 Gas Intrustion?

A

CVCS

SI

RMW

RHR

AFW

RCS

59
Q
  • 0POP04-GI-0001 Gas Intrusion*
    • *

Above what RCS pressure will HHSI/LHSI pumps not inject?

A
  • HHSI:*
  • *> 1900 psig**
  • LHSI:*
  • *> 350 psig**
60
Q
  • LOT 803.09 Monitor Plant Chemistry*
    • *

What chemistry transients warrant a Rx trip?

A

CP Fully bypassed
AND
Condensate Pump Discharge cation conductivity verified > 1.0 µS/cm

SG Cation conductivity rising
AND
SG Na, Cl, or SO4 > 1000 ppb

SG Cation conductivity > 15 µS/cm
AND
SG Na rising

61
Q
  • 0POP04-SY-0001 Seismic Event*
    • *

What is an Operational Basis Earthquake (OBE)?

A

Reasonably be expected to affect plant during it’s operating life

Will not affect safety related equipment

≤ 0.05g

Seismic Event alarm on CP009 (Unit 1) is set for 0.02 g.

62
Q
  • 0POP04-SY-0001 Seismic Event*
    • *

What is a Safe Shutdown Earthquake (SSE)?

A

Biggest earthquake ever expected for the area

Some safety related equipment will remain functional

≤ 0.1 g

63
Q
  • 0POP04-SY-0001 Seismic Event*
    • *

What will cause the operator to enter the emergency plan?

A
  • Unusual Event:*
  • *> OBE (0.05g)**
  • Alert:*
  • *If earthquake affected safety equipment need in current MODE.**
64
Q
  • 0POP04-SY-0001 Seismic Event*
    • *

What must be done if a OBE or SSE has occured?

A

Notify SM/US

Walkdown systems to ensure equipment necessary to C/D to MODE 5 available

Commence C/D to MODE 5

NRC approval required to restart unit.

65
Q
  • 0POP04-ZO-0002 Natural / Destructive Phenomena Guidelines*
    • *

How long do you have to inform the NRC if security is forced to abondon posts for weather?

A

1 hour

66
Q
  • 0POP04-ZO-0002 Natural / Destructive Phenomena Guidelines*
    • *

When must the operator shutdown the units?

A

Flood Water arrival < 12 hrs

  • *Hurricane winds > 73 mph (2 hrs prior)**
  • Be in MODE 3*
67
Q
  • 0POP04-ZO-0001 Control Room Evacuation*
    • *

What are the 9 things that must be done in the control room before it is evacuated?

A
  • Time 0 s:*
  • *Secondary RO makes announcement**
  • *Primary RO Trips the Rx**
  • Verify Flux lowering*
  • Time 30 s:*
  • *Main Steam Isolation**
  • Time 60 s:*
  • *Close PZR PORV block valves**
  • Time 120 s:*
  • *Trip RCPs**
  • *Close FWIVs**
  • Safety related switches*

Take SU SGFP in PTL

  • *Isolate letdown**
  • FV-0011 / MOV-0465*

Take CCP to PTL

68
Q
  • 0POP04-ZO-0001 Control Room Evacuation*
    • *

Where do plant personnel go once the MCR is evacuated?

A

ASP:
SM
Primary RO

  • ESF Train A:*
  • *Secondary RO**
  • ESF Train B:*
  • *Unit Supervisor**
  • ESF DGs / ESF Train C:*
  • *MAB Safe S/D**
  • Goes to each ESF DG 1st*
  • ECW / RCP breakers:*
  • *TG Safe S/D**
69
Q
  • 0POP04-ZO-0001 Control Room Evacuation*
    • *

If the primary RO has evacuated to the ASP and he notices the Rx is not tripped, how does he trip the Rx?

A

Dispatch operator to open Rx trip breakers locally and secure RDMG sets

70
Q
  • 0POP04-ZO-0001 Control Room Evacuation*
    • *

What are the time sensitive actions in 0POP04-ZO-0001 Control Room Evacuation?

A

0 sec:
Plant Announcement
Rx Tripped

  • ≤ 30 sec:*
  • *MSL isolation**
  • ≤ 60 sec:*
  • *PZR Porv block valves closed**

≤ 120 sec:
RCPs tripped
FWIV closed
SU SGFP in PTL
Letdown Isolation
CCPs in PTL

≤ 10 mins:
ESF A/B/C Switchgear transferred to ASP
ECW transferred to ASP
Terry Turbine transferred to ASP

≤ 15 mins: (Drop Dead Time)***
Communication established with ASP
Step 14.0 complete

19.8 mins:
Rx Head vent valves verified shut (ASP)
PZR PORV block valves open (ASP)

  • 20 mins:*
  • *RCP closing fuses pulled**
  • 30 mins:*
  • *Actuate ETL switch in EAB stairwell**
  • Control Room Evacuation puts site in alert per E-Plan.
  • If communications not established OR step 14.0 not complete by 15 mins, escalates to Site Area Emergency per E-Plan

POP04's (2 decks)

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