Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

LCO > 3.7 "Plant Systems" > Flashcards

3.7 "Plant Systems" Flashcards

1
Q

LCO 3.7.1 title

A

Main Steam Safety Valves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

LCO 3.7.1 requirement

A

23 MSSVs shall be operable as specified in Table 3.7.1-1 (4 per generator w/lift setting of 985 psig, 4 per generator w/lift setting of 1005, and 4 per generator w/ lift setting of 1025 psig

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

LCO 3.7.1 applicability

A

Modes 1-3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

LCO 3.7.1 required actions < 1 hour

A

NONE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

LCO 3.7.2 title

A

MSIVs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

LCO 3.7.2 requirement

A

2 MSIVs shall be operable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

LCO 3.7.2 applicability

A
  • Mode 1

- Modes 2 and 3, except when both MSIVs are closed and de-activated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

LCO 3.7.2 required actions < 1 hour

A

NONE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

LCO 3.7.3 title

A

MFRVs and MFRV Bypass Valves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

LCO 3.7.3 requirement

A
  • 2 MFRVs and 2 MFRV bypass valves shall be operable

- Separate Condition entry is allowed for each valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

LCO 3.7.3 applicability

A

Modes 1-3, except when both MFRVs and both MFRV bypass valves are either closed and de-activated, or isolated by closed manually actuated valves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

LCO 3.7.3 required actions < 1 hour

A

NONE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

LCO 3.7.4 title

A

ADVs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

LCO 3.7.4 requirement

A

1 ADV per S/G shall be operable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

LCO 3.7.4 applicability

A
  • Modes 1-3

- Mode 4 when S/G is being relied upon for heat removal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

LCO 3.7.4 required actions < 1 hour

A

NONE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

LCO 3.7.5 title

A

AFW System

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

LCO 3.7.5 requirement

A
  • 2 AFW trains shall be operable
  • Only 1 AFW train, which includes a motor driven pump, is required to be operable in Mode 4
  • The steam driven pump is only required to be operable prior to making the reactor critical
  • 2 AFW pumps may be placed in manual for testing for a period of up to 4 hours
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

LCO 3.7.5 applicability

A
  • Modes 1-3

- Mode 4 when S/G is relied upon for heat removal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

LCO 3.7.5 required actions < 1 hour

A

-Less than 100% require AFW flow available to both S/Gs, then initiate action to restore 1 AFW train to operable (LCO 3.0.3 and all other LCO actions requiring mode changes or power reductions are suspended until at least 100% of required AFW flow is available due to loss of heat removal capability post trip)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

LCO 3.7.6 title

A

Condensate Storage and Supply

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

LCO 3.7.6 requirement

A

The combined usable volume of the CST (T-2) and PMUST (T-81) shall be >= 100,000 gallons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

LCO 3.7.6 applicability

A
  • Modes 1-3

- Mode 4 when S/G is relied upon for heat removal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

LCO 3.7.6 required actions < 1 hour

A

NONE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

LCO 3.7.7 title

A

CCW System

26
Q

LCO 3.7.7 requirement

A

2 CCW trains shall be operable

27
Q

LCO 3.7.7 applicability

A

Modes 1-4

28
Q

LCO 3.7.7 required actions < 1 hour

A

Less than 100% of the required post accident CCW cooling capability available, then enter LCO 3.0.3 immediately

29
Q

LCO 3.7.8 title

A

Service Water System

30
Q

LCO 3.7.8 requirement

A

2 SWS trains shall be operable

31
Q

LCO 3.7.8 applicability

A

Modes 1-4

32
Q

LCO 3.7.8 required actions < 1 hour

A

Less than 100% of the required post accident SWS cooling capability available, then enter LCO 3.0.3 immediately

33
Q

LCO 3.7.9 title

A

Ultimate Heat Sink

34
Q

LCO 3.7.9 requirement

A

The UHS shall be operable (>= 568.25’ and <= 85 F)

35
Q

LCO 3.7.9 applicability

A

Modes 1-4

36
Q

LCO 3.7.9 required actions < 1 hour

A

NONE

37
Q

LCO 3.7.10 title

A

Control Room Ventilation Filtration

38
Q

LCO 3.7.10 requirement

A
  • 2 CRV Filtration trains shall be operable

- The Control Room Envelope boundary may be opened intermittently under admin control

39
Q

LCO 3.7.10 applicability

A
  • Modes 1-4
  • During core alterations
  • During movement of irradiated fuel assemblies
  • During movement of a fuel cask in or over the SFP
40
Q

LCO 3.7.10 required actions < 1 hour

A
  • 1 or more CRV Filtration trains inoperable due to inoperable CRE boundary in Modes 1-4, then initiate action to implement mitigating actions immediately
  • 2 CRV Filtration trains inoperable in Modes 1-4 for reasons other than inoperable CRE boundary, then immediately initiate action to implement mitigating actions (N/A when 2nd train intentionally made inoperable)
  • 1 train inoperable for reasons other than inoperable CRE boundary for > 7 days during core alterations, movement of irradiated fuel assemblies, or movement of a fuel cask in or over the SFP, then place operable train in emergency mode OR suspend core alterations, movement of irradiated fuel assemblies, AND movement of a fuel cask in or over the SFP immediately
  • 2 CRV Filtration trains inoperable OR 1 or more trains inoperable due to inoperable CRE boundary during core alterations, movement of irradiated fuel assemblies, or movement of a fuel cask in or over the SFP OR 1 or more trains inoperable due to inoperable, then suspend core alterations, movement of irradiated fuel assemblies, AND movement of a fuel cask in or over the SFP immediately
41
Q

LCO 3.7.11 title

A

CRV Cooling

42
Q

LCO 3.7.11 requirement

A

2 CRV Cooling trains shall be operable

43
Q

LCO 3.7.11 applicability

A
  • Modes 1-4
  • During core alterations
  • During movement of irradiated fuel assemblies
  • During movement of a fuel cask in or over the SFP
44
Q

LCO 3.7.11 required actions < 1 hour

A
  • 1 CRV Cooling train inoperable > 30 days during core alterations, movement of irradiated fuel assemblies, or movement of a fuel cask in or over the SFP, then place operable train in operation OR suspend core alterations, movement of irradiated fuel assemblies, AND movement of a fuel cask in or over the SFP immediately
  • 2 CRV Cooling trains inoperable during core alterations, movement of irradiated fuel assemblies, or movement of a fuel cask in or over the SFP, then suspend core alterations, movement of irradiated fuel assemblies, AND movement of a fuel cask immediately
45
Q

LCO 3.7.12 title

A

Fuel Handling Area Ventilation System

46
Q

LCO 3.7.12 requirement

A

The Fuel Handling Area Ventilation System shall be operable with 1 fuel handling area exhaust fan aligned to the emergency filter bank and in operation

47
Q

LCO 3.7.12 applicability

A
  • During movement of irradiated fuel assemblies in the fuel handling building when irradiated fuel assemblies with < 30 days decay time are in the building
  • During movement of a fuel cask in or over the SFP when irradiated fuel assemblies with < 90 days decay time are in the building
  • During core alterations when irradiated fuel assemblies with < 30 days decay time are in containment w/the equipment hatch open
  • During movement of irradiated fuel assemblies in containment when irradiated fuel assemblies with < 30 days decay time are in containment w/the equipment hatch open
48
Q

LCO 3.7.12 required actions < 1 hour

A

Fuel Handling Area Ventilation System not aligned or in operation, or inoperable, then suspend movement of fuel assemblies, core alterations, AND movement of a fuel cask in or over the SFP immediately

49
Q

LCO 3.7.13 title

A

Engineered Safeguards Room Ventilation Dampers

50
Q

LCO 3.7.13 requirement

A

2 ESRV Damper trains shall be operable

51
Q

LCO 3.7.13 applicability

A

Modes 1-4

52
Q

LCO 3.7.13 required actions < 1 hour

A

1 or more ESRV Damper trains inoperable, then initiate action to isolate associated ESRV Damper train(s) immediately

53
Q

LCO 3.7.14 title

A

SFP Water Level

54
Q

LCO 3.7.14 requirement

A
  • The SFP water level shall be >= 647’ elevation
  • SFP level may be below the 647’ elevation to support fuel cask movement, if the displacement of water by the cask, when submerged, would raise level to >= 647’ elevation
55
Q

LCO 3.7.14 applicability

A
  • During movement of irradiated fuel assemblies in the SFP

- During movement of a fuel cask in or over the SFP

56
Q

LCO 3.7.14 required actions < 1 hour

A

SFP water level not within limit, then suspend movement of irradiated fuel assemblies in SFP AND suspend movement of fuel cask in or over the SFP immediately

57
Q

LCO 3.7.15 title

A

SFP Boron Concentration

58
Q

LCO 3.7.15 requirement

A

SFP boron concentration shall be >= 1720 ppm

59
Q

LCO 3.7.15 applicability

A

When fuel assemblies are stored in the SFP

60
Q

LCO 3.7.15 required actions < 1 hour

A

SFP boron concentration not w/in limit, then suspend movement of fuel assemblies in the SFP AND initiate action to restore SFP boron concentration to w/in limit immediately

LCO (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions