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Systems > Safety Injection System Alarms > Flashcards

Safety Injection System Alarms Flashcards

1
Q

EK-0755, EK-0756, EK-0757, EK-0758, “PRESSURIZER SAFETY INJ SIGNAL A/B/C/D LO-LO PRESS”

A

PIA-0102ALL, Pressurizer Lo Press SI Channel - Ckt 1

Trips at 1605 psia

Other Indications

PIA-0102BLL
PIA-0102CLL
PIA-0102DLL

Check other PZR pressure channels, if 2 out of 4, verify SIAS.

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2
Q

EK-1157, “LO PRESS SI PUMPS P-67A & P-67B TRIP”

A

EK-1157, “LO PRESS SI PUMPS P-67A & P-67B TRIP”

152-206/b, 152-111/b

Breaker open with control switch in AFTER CLOSE position

Check pump indicating lights, check LPSI flow indicators, check LPSI header pressure.

No Automatic Functions

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3
Q

EK-1306, “LO PRESSURE SAFETY INJ MOV OVERLOAD”

A

EK-1306, “LO PRESSURE SAFETY INJ MOV OVERLOAD”

LOW PRESS SAFETY INJ MOV OVERLOAD

Sensors

  • 49-141, 49-147, 49-247, or 49-251

Thermal overload

Check for blue lights on LPSI MOVs.

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4
Q

EK-1312, “HI PRESS SAFETY INJ MOV OVERLOAD”

A

EK-1312, “HI PRESS SAFETY INJ MOV OVERLOAD”

Sensor

49-137, 49-197, 49-151, 49-157,49-237, 49-241, 49-257, 49-261, 49-2113, 49-2213, 49-2313, or 49-2413

The thermal overload does not interrupt power to the MOV. Due to wiring configurations for the following valve pairs, alarm will not reflash if one MOV of the pair is in alarm and the second MOV of that pair goes into alarm:

  • MOV-3068 and MOV-3082;
  • MOV-3066 and MOV-3080;
  • MOV-3062 and MOV-3081;
  • MOV-3064 and MOV-3083.
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5
Q

EK-1313, EK-1319, EK-1325, EK-1331, “SAFETY INJ TANKS T82 A/B/C/D HI-LO LEVEL”

A

EK-1313, EK-1319, EK-1325, EK-1331, “SAFETY INJ TANKS T82 A/B/C/D HI-LO LEVEL”

  • LIA-0365, Safety Injection Tank T-82A Level Alarm
  • LIA-0368, Safety Injection Tank T-82B Level Alarm
  • LIA-0372, Safety Injection Tank T-82C Level Alarm
  • LIA-0374, Safety Injection Tank T-82D Level Sigma

High Level: 48% (Narrow Range)
Low Level: 32% (Narrow Range)

Check level indicators. / Check PPC

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6
Q

EK-1314, EK-1320, EK-1326, EK-1332, “SAFETY INJ TANKS T82 A/B/C/D HI LEVEL”

A

EK-1314, EK-1320, EK-1326, EK-1332, “SAFETY INJ TANKS T82 A/B/C/D HI LEVEL”

  • LS-0340A, Safety Injection Tank T-82A Level Switch
  • LS-0360A, Safety Injection Tank T-82B Level Switch
  • LS-0348A, Safety Injection Tank T-82C Level Switch
  • LS-0375A, Safety Injection Tank T-82D Level Switch

62% (on LIA-0365, Narrow Range)

Alternate Indication

  • LIA-0365, Safety Injection Tank T-82A Level Alarm

T.S. 3.5.1 limit 66%

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7
Q

EK-1315, EK-1321, EK-1327, EK-1333, “SAFETY INJ TANKS T82 A/B/C/D LO LEVEL”

A

EK-1315, EK-1321, EK-1327, EK-1333, “SAFETY INJ TANKS T82 A/B/C/D LO LEVEL”

  • LS-0340B, Safety Injection Tank T-82A Level Switch
  • LS-0360B, Safety Injection Tank T-82B Level Switch
  • LS-0348B, Safety Injection Tank T-82C Level Switch
  • LS-0375B, Safety Injection Tank T-82D Level Switch

Trip Setpoints: 18% (on LIA-0365/0368/0372/0374, Narrow Range)

Alternate Indication

  • Check Level Indicators

LCO 3.5.1 limit 14%

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8
Q

EK-1316, EK-1322, EK-1328, EK-1334, “SAFETY INJ TANKS T82 A/B/C/D HI-LO PRESS”

A

EK-1316, EK-1322, EK-1328, EK-1334, “SAFETY INJ TANKS T82 A/B/C/D HI-LO PRESS”

PIA-0363, Safety Injection Tank T-82A Pressure Ind

  • PIA-0367, Safety Injection Tank T-82B Press Alarm
  • PIA-0371, Safety Injection Tank T-82C Press Alarm
  • PIA-0369, Safety Injection Tank T-82D Press Alarm

Trip Setpoints:

  • High Pressure: 225 psig
  • Low Pressure: 205.5 psig to 208.5 psig

Alternate Indications

PPC indications

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9
Q

EK-1317, EK-1323, EK-1329, EK-1335, “SAFETY INJ TANKS T82 A/B/C/D HI PRESS”

A

Safety Injection Tk T-82A/B/C/D High Press Switch

Setpoint 225 psig

Alternate Indication

  • Safety Injection Tank T-82A/B/C/D Pressure Ind
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10
Q

EK-1318, EK-1324, EK-1330, EK-1336, “SAFETY INJ TANKS T82 A/B/C/D LO PRESS”

A

EK-1318, EK-1324, EK-1330, EK-1336, “SAFETY INJ TANKS T82 A/B/C/D LO PRESS”

T-82A/B/C/D Low Press Switch

Setpoint: 205 psig

Alternate Indication

  • T-82A/B/C/D Pressure Indicators
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11
Q

EK-1340, EK-1341, “SAFETY INJ INITIATION SIGNAL A/B”

A

EK-1340, EK-1341, “SAFETY INJ INITIATION SIGNAL A/B”

SAFETY INJ INITIATION SIGNAL “A”

  • Sensor: SIS-3
  • 2/4 Coincidence of less than 1605 psia on PIA-0102ALL, PIA-102BLL, PIA-0102CLL, and PIA-0102DLL,

OR

  • 2/4 Coincidence of greater than 3.7 psi to 4.4 psi on PS-1801, PS-1802A, PS-1803, and PS-1804A,

OR

  • Safety Injection Test Switch TS/PB-L

SAFETY INJ INITIATION SIGNAL “B”

  • Sensor SIS-4
  • 1605 psia on PIA-0102ALL, PIA-102BLL, PIA-0102CLL, and PIA-0102DLL,

OR

  • 2/4 Coincidence of greater than 3.7 psi to 4.4 psi on PS-1801A, PS-1802, PS-1803A, and PS-1804,

OR

  • Safety Injection Test Switch TS/PB-L

Alternate Indications

  • Check PCS Pressure and Containment Pressure
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12
Q

EK-1342, “SAFETY INJ INITIATED”

A

EK-1342, “SAFETY INJ INITIATED”

Sensor:

  • SIS-1 and SIS-6

Trip Setpoints:

  • Coincident closure of contacts

Alternate Indication:

  • None
  • Check ALL SIAS Equipment Operating
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13
Q

EK-1352, EK-1353, “EAST/WEST SFGRDS ROOM SUMP HI/PANEL UV”

A

EK-1352, EK-1353, “EAST/WEST SFGRDS ROOM SUMP HI/PANEL UV”

Sensor:

  • LS-1108, Eng Safeguard Room Sump Pump Start/Stop

Trip Setpoints:

  • Approx 34 inches from bottom or 14.2% on LI-1110A (sump is 66 inches deep)
  • Loss of power to sump alternator relay panel (EY-01, Instrument AC Panel, Breaker 35)

AlternateIndication:

  • East Engineered Safeguards Sump level indication
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14
Q

EK-1355, EK-1356, “SIRW TANK T-58 HI-LO LEVEL”

A

EK-1355, EK-1356, “SIRW TANK T-58 HI-LO LEVEL”

Sensor:

  • LIA-0331, SIRW Tank Level Indication Alarm

Trip Setpoints:

  • High Level: 285 inches or 99%
  • Low Level: 261 inches or 90%

Alternate Indication:

  • LIA-0332A T-58 level

Technical Specifications LCO 3.5.4 (85% equals 250,000 usable gallons) actions.

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15
Q

EK-1357, “SIRW TANK T-58 ½ TAKEN TWICE LO LEVEL”

A

EK-1357, “SIRW TANK T-58 ½ TAKEN TWICE LO LEVEL”

Sensor:

  • Relays 4L3 or 4L4

Trip Setpoints:

  • 24 inches (2% on LIA-0331 or LIA-0332A)

Alternate Indication:

  • None
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16
Q

EK-1358, EK1359, “SIRW TANK T-58 HI-LO TEMP

A

EK-1358, EK1359, “SIRW TANK T-58 HI-LO TEMP

Sensor:

  • TIA-0328, SIRW Tank T-58 Temperature Indicator Alarm

Trip Setpoints:

  • High: 95F
  • Low: 75F

Alternate Indication:

  • TIA-0332 SIRW Tank Temperature

Technical Specifications LCO 3.5.4 (40F/100F equals Tech Spec Limit)

Systems (53 decks)

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