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ILT Systems > System Designators > Flashcards

System Designators Flashcards

1
Q
  • System Designators*
    • *

What system has the designator AB?

A

Main Steam System

  • OTO-AB-00001 (Steam Dump Malfunction)*
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2
Q
  • System Designators*
    • *

What system has the designator AC?

A

Main Turbine System

  • OTO-AC-00001 (Turbine Trip Below P-9)
  • OTO-AC-00002 (Turbine Vibration)
  • OTO-AC-00003 (Turbine Impulse Pressure Channel Failure)
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3
Q
  • System Designators*
    • *

What system has the designator AD?

A

Condensate System

  • OTO-AD-00001 (Loss of Condenser Vacuum)*
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4
Q
  • System Designators*
    • *

What system has the designator AE?

A

Feedwater System

  • OTO-AE-00001 (Feedwater System Malfunction)
  • OTO-AE-00002 (SG Water Level Control Malfunctions)
  • Note: OTO-AE-00001 also covers loss of condensate pump.*
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5
Q
  • System Designators*
    • *

What system has the designator AF?

A

Feedwater Heater Extraction & Drains System

  • OTO-AF-00001 (Feedwater Heaters System Malfunction)*
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6
Q
  • System Designators*
    • *

What system has the designator AK?

A

Condensate Demineralizer System

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7
Q
  • System Designators*
    • *

What system has the designator AL?

A

Auxiliary Feedwater System

  • OTO-AL-00001 (Aux Feed Pump Low Suction Pressure Channel Failure)*
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8
Q
  • System Designators*
    • *

What system has the designator AN?

A

Demineralized Storage and Transfer System

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9
Q
  • System Designators*
    • *

What system has the designator AP?

A

Condensate Transfer and Storage System

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10
Q
  • System Designators*
    • *

What system has the designator AQ?

A

Condensate & Feedwater Chemical Addition System

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11
Q
  • System Designators*
    • *

What system has the designator BB?

A

Reactor Coolant System

  • OTO-BB-00001 (SG Tube Leak)
  • OTO-BB-00002 (RCP Off Normal)
  • OTO-BB-00003 (RCS Excessive Leakage)
  • OTO-BB-00004 (RCS RTD Channel Failures)
  • OTO-BB-00005 (RCS High Activity)
  • OTO-BB-00006 (PZR Pressure Control Malfunction)
  • OTO-BB-00010 (S/D LOCA)
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12
Q
  • System Designators*
    • *

What system has the designator BG?

A

Chemical and Volume Control System

  • OTO-BG-00001 (PZR Level Control Malfunction)
  • OTO-BG-00004 (VCT Level Channel Failures)
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13
Q
  • System Designators*
    • *

What system has the designator BL?

A

Reactor Makeup Water System

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14
Q
  • System Designators*
    • *

What system has the designator BM?

A

Steam Generator Blowdown System

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15
Q
  • System Designators*
    • *

What system has the designator BN?

A

Borated Refueling Water Storage System

  • OTO-BN-00001 (RWST Level Channel Malfunction)*
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16
Q
  • System Designators*
    • *

What system has the designator CA?

A

Steam Seals System

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17
Q
  • System Designators*
    • *

What system has the designator CB?

A

Main Turbine Lube Oil System

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18
Q
  • System Designators*
    • *

What system has the designator CC?

A

Generator H2 & CO2 System

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19
Q
  • System Designators*
    • *

What system has the designator CD?

A

Generator Seal Oil System

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20
Q
  • System Designators*
    • *

What system has the designator CE?

A

Stator Cooling Water System

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21
Q
  • System Designators*
    • *

What system has the designator CF?

A

Lube Oil Storage, Transfer, & Purification System

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22
Q
  • System Designators*
    • *

What system has the designator CG?

A

Condenser Air Removal System

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23
Q
  • System Designators*
    • *

What system has the designator DA?

A

Circulating Water System

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24
Q
  • System Designators*
    • *

What system has the designator DE?

A

Intake Structure & Water Treatment System

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25
Q
  • System Designators*
    • *

What system has the designator EA?

A

Service Water System

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26
Q
  • System Designators*
    • *

What system has the designator EB?

A

Closed Cooling Water System

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27
Q
  • System Designators*
    • *

What system has the designator EC?

A

Spent Fuel Pool Cooling & Cleanup System

  • OTO-EC-00001 (Loss of SFP / Refuel Pool Level)
  • OTO-EC-00002 (SFP High Temperature)
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28
Q
  • System Designators*
    • *

What system has the designator EF?

A

Essential Service Water System

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29
Q
  • System Designators*
    • *

What system has the designator EG?

A

Component Cooling Water System

  • OTO-EG-00001 (CCW System Malfunction)*
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30
Q
  • System Designators*
    • *

What system has the designator EJ?

A

Residual Heat Removal System

  • OTO-EJ-00001 (Loss of RHR Flow)
  • OTO-EJ-00002 (Loss of RHR due to heavy load drop in containment)
  • OTO-EJ-00003 (Loss of RHR in reduced inventory)
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31
Q
  • System Designators*
    • *

What system has the designator EM?

A

High Pressure Coolant Injection System

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32
Q
  • System Designators*
    • *

What system has the designator EN?

A

Containment Spray System

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33
Q
  • System Designators*
    • *

What system has the designator EP?

A

Accumulator Safety Injection System

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34
Q
  • System Designators*
    • *

What system has the designator FA?

A

Auxiliary Steam Generator System

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35
Q
  • System Designators*
    • *

What system has the designator FB?

A

Auxiliary Steam System

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36
Q
  • System Designators*
    • *

What system has the designator GA?

A

Plant Heating System

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37
Q
  • System Designators*
    • *

What system has the designator GB?

A

Central Chilled Water System

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38
Q
  • System Designators*
    • *

What system has the designator GE?

A

Turbine Building HVAC System

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39
Q
  • System Designators*
    • *

What system has the designator GF?

A

Miscellaneous Building HVAC System

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40
Q
  • System Designators*
    • *

What system has the designator GG?

A

Fuel Building HVAC System

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41
Q
  • System Designators*
    • *

What system has the designator GK?

A

Control Building HVAC System

  • OTO-GK-00001 (Loss of Control Room HVAC)*
42
Q
  • System Designators*
    • *

What system has the designator GL?

A

Auxilliary Building HVAC System

43
Q
  • System Designators*
    • *

What system has the designator GN?

A

Containment Cooling Sytem

  • OTO-GN-00001 (Containment Pressure Channel Failure)
  • OTO-GN-00002 (CRDM Cooling Fan Malfunctions)
44
Q
  • System Designators*
    • *

What system has the designator GS?

A

Containment H2 Control System

45
Q
  • System Designators*
    • *

What system has the designator GT?

A

Containment Purge System

46
Q
  • System Designators*
    • *

What system has the designator HA?

A

Gaseous Radwaste System

47
Q
  • System Designators*
    • *

What system has the designator HB?

A

Liquid Radwaste System

48
Q
  • System Designators*
    • *

What system has the designator HC?

A

Solid Radwaste System

49
Q
  • System Designators*
    • *

What system has the designator HE?

A

Boron Recycle System

50
Q
  • System Designators*
    • *

What system has the designator HF?

A

Secondary Liquid Waste System

51
Q
  • System Designators*
    • *

What system has the designator HG?

A

Dry Cask System

52
Q
  • System Designators*
    • *

What system has the designator IS?

A

Training Center Simulator System

53
Q
  • System Designators*
    • *

What system has the designator JA?

A

Aux Oil Storage and Transfer System

54
Q
  • System Designators*
    • *

What system has the designator JE?

A

Emergency Fuel Oil System

55
Q
  • System Designators*
    • *

What system has the designator KA?

A

Compressed Air System

  • OTO-KA-00001 (Partial or Total Loss of Instrument Air)*
56
Q
  • System Designators*
    • *

What system has the designator KB?

A

Breathing Air System

57
Q
  • System Designators*
    • *

What system has the designator KC?

A

Fire Protection System

  • OTO-KC-00001 (Fire Response)*
58
Q
  • System Designators*
    • *

What system has the designator KD?

A

Domestic Water System

59
Q
  • System Designators*
    • *

What system has the designator KE?

A

Fuel Handling, Storage, & Rx Vessel Service System

  • OTO-KE-00001 (Fuel Handling Accident)*
60
Q
  • System Designators*
    • *

What system has the designator KF?

A

Cranes, Hoists, & Elevators System

61
Q
  • System Designators*
    • *

What system has the designator KH?

A

Service Gas (CO2 & H2) System

62
Q
  • System Designators*
    • *

What system has the designator KS?

A

Chemical Storage and Handling System

63
Q
  • System Designators*
    • *

What system has the designator LA?

A

Sanitary Drainage System

64
Q
  • System Designators*
    • *

What system has the designator LB?

A

Roof Drains System

65
Q
  • System Designators*
    • *

What system has the designator LD?

A

Chemical Waste System

66
Q
  • System Designators*
    • *

What system has the designator LE?

A

Oily Waste System

67
Q
  • System Designators*
    • *

What system has the designator LF?

A

Floor & Equipment Drains System

68
Q
  • System Designators*
    • *

What system has the designator MA?

A

Main Generator System

  • OTO-MA-00001 (Turbine Load Reject)
  • OTO-MA-00002 (Main Generator H2 Leakage / Seal Oil System Malfunction)
  • OTO-MA-00004 (Generator Gas System Malfunction [Temperature])
  • OTO-MA-00008 (Rapid Load Reduction)
69
Q
  • System Designators*
    • *

What system has the designator MB?

A

Excitation & Voltage Regulation System

70
Q
  • System Designators*
    • *

What system has the designator MD?

A

EHV Switchyard Bus System

71
Q
  • System Designators*
    • *

What system has the designator NB?

A

Safety Related 4160 VAC

  • OTO-NB-00001 (Loss of Power to NB01)
  • OTO-NB-00002 (Loss of Power to NB02)
  • OTO-NB-00004 (LOOP to NB01/NB02 with EDG Paralled)
  • OTO-NB-00005 (Loss of AC Power while on RHR)
72
Q
  • System Designators*
    • *

What system has the designator NE?

A

Standby Generation - Diesels System

73
Q
  • System Designators*
    • *

What system has the designator NF?

A

Load Shedding & Emergency Load Sequencing System

  • OTO-NF-00001 (Inoperable LSELS Channel)*
74
Q
  • System Designators*
    • *

What system has the designator NG?

A

Safety Related 480 VAC System

75
Q
  • System Designators*
    • *

What system has the designator NK?

A

Safety Related 125 VDC System

  • OTO-NK-00001 (Failure of NK Battery Charger)
  • OTO-NK-00002 (Loss of Vital 125 VDC Bus)
76
Q
  • System Designators*
    • *

What system has the designator NN?

A

Instrument AC Power System

  • OTO-NN-00001 (Loss of Safety Related Instrument Power)*
77
Q
  • System Designators*
    • *

What system has the designator PA?

A

13.8 KV System

78
Q
  • System Designators*
    • *

What system has the designator PB?

A

Non-Safety 4160 VAC System

79
Q
  • System Designators*
    • *

What system has the designator PG?

A

Non-Safety 480 VAC System

80
Q
  • System Designators*
    • *

What system has the designator PJ?

A

250 VDC System

81
Q
  • System Designators*
    • *

What system has the designator PK?

A

Non-Safety 125 VDC System

82
Q
  • System Designators*
    • *

What system has the designator PN?

A

Instrument AC Power System

83
Q
  • System Designators*
    • *

What system has the designator PQ?

A

Uninterruptible AC Power System

84
Q
  • System Designators*
    • *

What system has the designator QF?

A

Public Address System

85
Q
  • System Designators*
    • *

What system has the designator QJ?

A

Freeze Protection System

86
Q
  • System Designators*
    • *

What system has the designator RC?

A

BOP DCS System

  • OTO-RC-00001 (DCS Component Failure)*
87
Q
  • System Designators*
    • *

What system has the designator RJ?

A

Plant Computer System

  • OTO-RJ-00001 (Loss of Plant Computer)*
88
Q
  • System Designators*
    • *

What system has the designator RK?

A

Plant Annunciator System

  • OTO-RK-00001 (Loss of Control Room Alarms)*
89
Q
  • System Designators*
    • *

What system has the designator RM?

A

Process Sampling System

90
Q
  • System Designators*
    • *

What system has the designator RP?

A

Miscillaneous Control Panels System

91
Q
  • System Designators*
    • *

What system has the designator SA?

A

Engineered Safety Feature Actuation System

  • OTO-SA-00001 (ESFAS Verification & Restoration)
  • OTO-SA-00002 (Spurious Containment Spray / Phase B Isolation Recovery)
92
Q
  • System Designators*
    • *

What system has the designator SB?

A

Reactor Protection System

  • OTO-SB-00069 (SB069 Contingency Monitoring Actions)*
93
Q
  • System Designators*
    • *

What system has the designator SD?

A

Area Radiation Monitoring System

94
Q
  • System Designators*
    • *

What system has the designator SE?

A

Ex-Core Neutron Monitoring System

  • OTO-SE-00001 Nuclear Instrument Malfunction*
95
Q
  • System Designators*
    • *

What system has the designator SF?

A

Reactor Control System

  • OTO-SF-00001 (Rod Control Malfunctions)*
96
Q
  • System Designators*
    • *

What system has the designator SG?

A

Seismic Instrumentation

  • OTO-SG-00001 (Seismic Event)*
97
Q
  • System Designators*
    • *

What system has the designator SJ?

A

Nuclear Sampling System

98
Q
  • System Designators*
    • *

What system has the designator SK?

A

Plant Security System

  • OTO-SK-00001 (Hostile Intrusion)
  • ​OTO-SK-00002 (Aircraft Threat)
  • ​OTO-SK-00003 (Extensive Damage Mitigation Guidelines)
  • ​OTO-SK-00004 (Electrical Threat)
99
Q
  • System Designators*
    • *

What system has the designator SP?

A

Process Radiation Monitoring System

100
Q
  • System Designators*
    • *

What system has the designator SQ?

A

Loose Parts Monitoring System

101
Q
  • System Designators*
    • *

What system has the designator UB?

A

Outside Buildings and Equipment System

102
Q
  • System Designators*
    • *

What system has the designator ZZ?

A

Miscellaneous System

  • OTO-ZZ-00001 (Control Room Inaccessibility)
  • OTO-ZZ-00002 (Control Room Operations with Fire)
  • OTO-ZZ-00003 (Loss of SDM / Dilution Event)
  • OTO-ZZ-00005 (Flooding)
  • OTO-ZZ-00008 (Steam / FW Line Break)
  • OTO-ZZ-00009 (Loss of Containment Integrity)
  • OTO-ZZ-00012 (Severe Weather)

ILT Systems (3 decks)

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