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AOP/EOP > EOP1 > Flashcards

EOP1 Flashcards

1
Q

In E-0 state step 1 RNO transition after the reactor wont trip

A

If Reactor will not trip then go to FR-S.1 Response to Nuclear power Generation/ATWS

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2
Q

In E-0 state Step 3 RNO transition if power can not be restored to at least 1 AC E-bus

A

If power can not be restored to at least 1 AC emergency bus, then go to ECA-0.0 Loss of all AC power

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3
Q

In E-0 state Step 4 RNO transition if:
P PZR: > 1800#
L PRZ: > 7%
SCM: > 40F
P CTB: < 4#
P S/G: > 585#

A

If SI is not required, then go to ES-0.1 Reactor Trip Response

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4
Q

In E-0 state Step 7 RNO transition if PZR # is <2385#
and a PORV is open

A

If PZR pressure is <2385#
and a PORV is open then go to E-1

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5
Q

In E-0 state Step 9 transition if any SG pressure decreases in an uncontrolled manner
-OR-
Any SG completely depressurized

A

If any SG pressure decreases in an uncontrolled manner
-OR-
Any SG completely depressurized
Then go to E-2, Faulted SG isolation

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6
Q

State E-0 RCP trip criteria per OAS page

A

At least 1 CS or SI pump running
- AND -
RCS subcooling <40F
- OR -
Loss of PCCW to motor coolers within 10 min

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7
Q

In E-0 state Step 10 RNO transition if radiation is abnormal in:
MS line
Condenser air evac radiation
SGDB radiation
or SG narrow range level increases in an uncontrolled manner

A

Abnormal:
MS line radiation
Condenser air evac radiation
SGBD radiation
or SG narrow range level increasing uncontrolled
Then Go To E-3 Steam Generator Tube Rupture

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8
Q

In E-0 state Step 11 RNO transition if:
Containment radiation, pressure and building level are abnormal

A

Abnormal:
Containment radiation
Containment pressure
Containment building level
Then Go To E-1

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9
Q

State SI termination Criteria

A

RCS Subcooling >40F
Adequate heat sink
RCS pressure stable or increasing
PZR level >7%

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10
Q

In E-0 state Step 12 RNO transition after first CS pump is stopped and RCS pressure is not stable or increasing

A

After first CS pump is stopped at step 12f
If RCS pressure is not stable or increasing
THEN
Go TO ES-1.2 Post LOCA Cooldown and Depressurization

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11
Q

In E-0 state Step 13e RNO transition once PZR level decreases from >95% to less than 85%

A

Once PZR level decreases from >95% to less than 85% then Go To ES-1.1 SI termination STEP 7

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12
Q

In E-0 state Step 14e RNO transition once normal charging flow has been established (realigned from the SI header) if PZR level continues to decrease

A

After normal charging flow has been established if PZR level continues to decrease THEN:
Realign Charging to cold legs
AND
Go To ES-1.2 Post LOCA Cooldown and Depressurization

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13
Q

In E-0 state Step 16 transition that occurs after normal charging and letdown are established per SUP-003

A

Go to Step 7 of ES-1.1 SI termination

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14
Q

In E-0 Step 17, state what occurs

A

Monitoring of CSF status trees

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15
Q

In E-0 state Step 20 RNO if HELB indications are not normal

A

Go to ECA-1.2 LOCA outside containment

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16
Q

In E-1 State procedure transition State OAS transition criteria if emergency coolant recirculation has been established as subsequently lost

A

If emergency coolant recirculation is lost after it has been established then go to ECA-1.1 Loss of Emergency Coolant Recirculation Step 1

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17
Q

In E-1 at step 6 state procedure transition if ECCS flow can be reduced:
RCS subcooling >40F
Adequate Heat Sink
RCS pressure is stable or increasing
PZR level >7% [28]

A

If criteria for SI termination is met then go to ES-1.1

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18
Q

In E-1 at step 11 state the procedure transition if cold leg recirculation capability can not be established/verified

A

if at least on train of cold leg recirculation can not be established/verified then go to ECA-1.1

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19
Q

In E-1 at step 11.d. RNO state the procedure transition if there are abnormal radiation levels/ HELB indications outside CTB

A

Step 11.d RNO directs the transition to ECA-1.2 LOCA Outside Containment Step 1

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20
Q

In E-1 at step 12 state the procedure transition if RCS pressure is >300#

A

If RCS pressure is >300# (with in the capacity of the RHR pumps) then go to ES-1.2 Post LOCA Cooldown and Depressurization, step 1

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21
Q

In ES-0.1 state Procedure transition at end of ES-0.1

A

If RCPs are running: Go to OS1000.11 Post Trip to Hot Standby
If no RCPs are running: Go to ES-0.2

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22
Q

In ES-0.2 Natural Circulation Cooldown after checking CST level to see if EFW pumps should be stopped state procedure transition at STEP 19 RNO with RVLIS <92%

A

If depressurization must continue
- with RVLIS Go to ES-0.3 Natural Circulation Cooldown with Steam Void in Vessel
- Without RVLIS Go to ES-0.4 Natural Circulation Cooldown with Steam Void in Vessel

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23
Q

In ES-0.3/ES-0.4 Natural Circulation Cooldown with steam void in Vessel, state transition once an RCP is started

A

Go to OS1000.04 Plant Cooldown from HTSB to Cold Shutdown

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24
Q

In ES-0.3 state transition if:
SCM <40F
-OR-
L PZR: cannot be maintained >7%

A

If RCS Subcooling is <40F
-OR-
L PZR: cannot be maintained >7%
Then Actuate SI and go to E-0

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25
Q

In ES-0.3/ES-0.4 State procedure transition once RCS is <200F and 2 CRDMs have been running or 88 hours have passed

A

Once the RCS is cooled down to <200F and 2 CRDMs have been running or 88 hours have passed then Go to OS1000.04 Plant Cooldown from Hot Standby to Cold Shutdown

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26
Q

State entry into ES-0.4 Natural Circulation Cooldown without RVLIS

A

In step 19 of ES-0.2 if depressurization must continue

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27
Q

State procedure transition in ES-0.4 if an RCP gets started

A

In an RCP can be started then Go To OS1000.04 Plant Cooldown from Hot Standby to Cold Shutdown

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28
Q

In ES-1.1 after SI has been reset and only 1 CS pump is running state procedure transition if RCS pressure is decreasing

A

Once SI is reset and only 1 CS pump is running, if RCS pressure is decreasing then the leak is unmanageable and Go To ES-1.2 Post LOCA Cooldown and Depressurization

29
Q

In ES-1.1 after charging has been lined up to the normal charging header and PZR level continues to decrease, state procedure transition.

A

If a SG is faulted wait until the SG depressurizes
If a SG is not faulted or PZR level continues to decrease after SG blows down, then realign the CS pump to the SI header and Go To ES-1.2 Post LOCA Cooldown and Depressurization

30
Q

In ES-1.1 step 7 RNO if Pressure is not >1700# or it is decreasing then state the procedure transition

A

If no SG is faulted or an SI pump can not be stopped then Go To ES-1.2 Post LOCA Cooldown and Depressurization

31
Q

In ES-1.1 state procedure transition after step 8 (RHR pumps Stopped) if RCS subcooling is <40F or Pressurizer level cannot be maintained >7% {28%]

A

After step 8 is completed and:
RCS subcooling is <40F
-OR-
Pressurizer level cannot be maintained greater than 7%[28%]
THEN
Go To E-1

32
Q

At the end of ES-1.1 state the two procedure transitions

A

If no RCPs are running then Go To ES-0.2 Natural Circulation Cooldown
If RCPs are running then Go To OS1000.11 Post Trip to Hot Standby

33
Q

In ES-1.2 Post LOCA Cooldown and Depressurization state procedure transition of emergency coolant recirculation is established and subsequently lost

A

Once emergency recirculation is established and subsequently lost then Go To ECA-1.1 Loss of Emergency Coolant Recirculation

34
Q

In ES-1.3 State time requirement for steps 1 through 3

A

Steps 1 through 3 must be performed within 3 MINUTES after receiving RWST Lo Lo level alarm

35
Q

In ES-1.3 state what must be done if the RWST EMPTY alarm is recieved

A

Any pump taking suction from the RWST should be stopped upon RWST EMPTY alarm

36
Q

In ES-1.3 state procedure transition if suction can not be established from the Containment Sump

A

If at least one flow path can not be established or maintained the Go To ECA-1.1 Loss of Emergency Coolant Recirculation

37
Q

In ES-1.4 Transfer to Hot Leg Recirculation state the time requirements for placing in service

A

Transfer should be initiated 5 hours after the event begins and should be completed within 1 Hour.

38
Q

In E-2 state temperature control criteria from OAS page

A

Based upon core exit TCs, WHEN uncontrolled RCS cooldown has stopped, THEN control ASDVs on intact SGs to stabilize SG pressures and core exit TCs

39
Q

In E-2 state Procedure transition at the RNO if all SGs are faulted

A

If all SGs are faulted then Go To ECA-2.1 Uncontrolled Depressurization of All SGs

40
Q

In E-2 State procedure transition if:
RCS Subcooling >40F
Adequate Heat sink
RCS Pressure stable or increasing
PZR Level >7% [28%]

A

If the SI termination Criteria is met the Go To ES-1.1 SI Termination

41
Q

In E-2 state the procedure transition if the SI termination Criteria is NOT met

A

If the SI termination Criteria is not met then Go To E-1.

42
Q

In ECA 2.1 state exception to transitioning back to E-2

A

While in ECA-2.1 if SG pressure increases except while in steps 11 through 21 (SI Termination) Go To E-2

43
Q

In ECA 2.1 State min SG feed flow requirements

A

A minimum 25 GPM should be maintained to SG with NR <6% [15%] for thermal shock

44
Q

In ECA 2.1 State when FR-H.1 should be implemented

A

In ECA 2.1 FR-H.1 should only be implemented if 500gpm flow is not available at any time

45
Q

In E-3 state from the OAS page transition to ECA-3.1 SGTR with Loss of Reactor Coolant-Subcooled Recovery Desired

A

If ECCs Reinitiation occurs after Step 21 while in E-3 then Go To ECA-3.1
Reinitiation is based on:
RCS Subcooling <40F
-OR-
PZR level can not be maintained >7% [28%]

46
Q

While in E-3 state the transition if conditions of a LOCA exist

A

If a SGTR and a LOCA occur then transition to ECA-3.1 SGTR with Loss of Reactor Coolant - Subcooled Recovery Desired.

47
Q

In E-3 once the CD has be achieved and depressurization is attempted. State the transition at step 18 RNO if the RCS can not be depressurized

A

If Spray and PORVs are unavailable to depressurize the RCS then Go To ECA-3.3 SGTR Without Pressurizer Pressure Control

48
Q

In E-3 after the depressurization is complete and the PORVs/block valves are closed state the procedure transition if pressure continues to decrease

A

If pressure continues to decrease then monitor for leakage from the PORV and Go To ECA 3.1

49
Q

In E-3 at step 20 (SI termination step) state the transition if any of the criteria fails

A

If any of the SI termination fails then Go To ECA-3.1

50
Q

State the major system requirement for going to ES-3.1 POST-SGTR cooldown using backfill

A

LTDN needs to be available to move the mass out of the RCS

51
Q

State the major system requirement for going to ES-3.2 POST-SGTR cooldown using blowdown

A

The SUFP must be available to feed the SGs so that EFW can be turned off and SGBD can be placed in service.

52
Q

State the major system requirement for going to ES-3.3 POST-SGTR cooldown using Steam Dump

A

Steam Dumps (condensers) must be available

53
Q

State entry into FR-H.1

A

SG level in 2 SGs <65% or 1 <6% [15%] and with EFW flow <500 GPM

54
Q

State bleed and feed entry in FR-H.1

A

If SG level WR in any 3 SGs is less than 20% [44%] feed and bleed should be initiated immediately (steps 11 through 15)

55
Q

State feed rate if bleed and feed has been established and CET temperatures are rising

A

If feed and bleed has started and temperatures are rising then select a single intact SG and feed at maximum rate

56
Q

State feed rate if bleed and feed has been established and temperatures are stable or lowering

A

If feed and bleed has started and temperatures are stable or lowering then select a single intact SG and feed at 100 GPM until 14%WR [30%] then feed as desired

57
Q

In FR-H.1 state procedure transition once FR-H.1 has been completed

A

Once FR-H.1 is complete then Go To ES-1.1 Step 9

58
Q

In FR-H.1 state procedure transition if if PZR PORVs or block valves can not be closed

A

If PZR PORVs or block valves can not be closed then go to E-1

59
Q

In FR-H.1 state procedure transition at step 33 when checking if RHR pumps should be stopped and Pressure is <300# or decreasing

A

If RCS pressure is <300# or decreasing then go to E-1 Loss of Reactor or Secondary Coolant

60
Q

State entry into FR-C.2

A

With subcooling <40F check dynamic head level versus the number of RCPS running
If no RCPS are not running and CETs are <725F and full range is <40%

61
Q

State procedure transition at the end of FR-C.2

A

Go to E-1 step 11

62
Q

State entry to FR-C.1

A

CETs >1100F
- OR -
Subcooling <40F and no RCPs running and CETs>725F and RVLIS full range >40%

63
Q

In FR-C.1 once ECCS flow has been verified (Step 15)
- AND -
CETs are <1100, RCS <250, RVLIS >62%
State procedure transition

A

Once ECCS flow has bee verified and CETs are <1100 and conditions are right for placing RHR in service with vessel level > the top of the fuel
Then Go to E-1 Step 11

64
Q

State when FR-I.1 Response to High PRZ level should not be entered

A

FR-I.1 should not be entered if SI is running

65
Q

State purpose of FR-I.1

A

Purpose of FR-I.1 is to draw a bubble

66
Q

State when FR-I.2 Response to Low PZR level should not be used

A

FR-I.2 should not be used if SI is running
-OR-
ECA-1.1/3.2/3.3 are in progress due to those procedures using RVLIS

67
Q

State when FR-I.3 Response to Voids in Reactor Vessel should not be used

A

FR-I.3 should not be used if SI is running or if a void in the head is expected as part of a natural circulation cooldown

68
Q

In ECA-0.0 If subcooling is <40F, or PZR level is less than 7%[28%], or ECCS pumps are running state procedure transition

A

If Subcooling <40F
-OR-
PZR level <7%[28]
-OR-
ECCS pumps are running
then go to ECA-0.2 Loss of all AC recovery With SI Recovery, DO NOT implement FRPs until directed

69
Q

In ECA 0.0 state the procedure transition if SI is not required

A

Go to ECA-0.1 Loss of all AC Power recovery Without SI Required

AOP/EOP (4 decks)

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