TB 116 Metro Heavy Rail Lines Flashcards Preview

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Flashcards in TB 116 Metro Heavy Rail Lines Deck (79)
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1
Q

Red/Purple Line is currently ____ in length

A

17.4 miles

2
Q

Red/Purple lines services ____ stations.

A

16

3
Q

Metro has an active fleet of ____ train cars

A

104

4
Q

Train configuration can have a maximum of ____ cars

A

6

5
Q

Train car dimensions: how long?

A

75 feet

6
Q

Train car dimensions: how wide?

A

10 feet

7
Q

Train car dimensions: how high?

A

12 feet

8
Q

Weight?

A

80,000 pounds

9
Q

Maximum speed?

A

70 mph (55 mph from union station to westlake/macarthur park)

10
Q

Normal configuration of train cars

A

4 - 6 car trains depending on passenger load

11
Q

The trains are propelled by ____

A

4 traction motors per car

12
Q

The train operate from ______

A

750 volt direct current

13
Q

Batteries are located ?

A

under the “B” car and provide 37.5 volts direct current

14
Q

Each train is powered by the contact rail or ?

A

third rail

15
Q

The third rail supplies all power for

A

traction motors, converter, air compressor, heating elements and air conditioning

16
Q

To shut off battery power, locate the ______

A

battery box on the “B” car, open hatch and flip the trip switch

17
Q

Each car can seat ___

A

59 passengers

18
Q

Can accommodate a total of ____ passengers in the standing “crush load”

A

220

19
Q

All doors can be manually opened in an emergency from inside the car by pulling downward on the ____ just above each set of doors

A

emergency red ball

20
Q

Opening doors from outside: Operate the ______ which must be pulled to release system air

A

External Emergency Door Handle

21
Q

Open doors from outside: open the ___ next to the ____ on each car

A

access panel, center doors

22
Q

Open doors from outside: Wait ____ seconds then manually separate doors. This will only relate the _____

A

5 seconds / center doors

23
Q

Each car is equipped with ____

A

two 10A/60BC fire extinguishers

24
Q

Mezzanine level is

A

first level below ground, which is the public access level to the tunnel

25
Q

In some stations an ____ level may be encountered as the first level below the street

A

ancillary

26
Q

Ancillary level contain different controls rooms for the station functions such as

A

Train communication and control room, mechanical room, DWP power station and fan room

27
Q

Train communication and control room contains vital monitor, including

A

the fire alarm panel, methane detector and communication equipment

28
Q

The DWP power station room is energized with

A

34500 volts and should not be entered by FD

29
Q

Valve rooms will contain

A

selected isolation/shut off vales for the combination standpipe/ sprinkler system

30
Q

EMP can take control of specific station functions including

A

exhaust fan (directional) control, escalator direction and allows communication with the Rail operation center

31
Q

Newer EMPs will have a two touch screen display terminals: One display terminal will have a _____ of station facilities and locations

A

schematic representation

32
Q

Display terminal: Zone alarm display terminal provides

A

the indication of location and type of alarm

33
Q

Fire detection

A

Red

34
Q

Fire suppression

A

Pink

35
Q

Intrusion detection

A

Blue

36
Q

Gas monitoring

A

Green

37
Q

Facilities

A

Black

38
Q

Fire/valve tampers

A

Orange

39
Q

EMP contains

A

evacuation message/ public address panel

40
Q

EMP contains

A

Telephones that can be used to call inside or outside the MTA system

41
Q

EMP contains

A

Emergency Response Procedures and Facilities map book

42
Q

ROC can provide the FD with the following information

A

nearest station or cross street to the incident, status of the incident train. nature and extent of the fire or smoke, patient condition, updated info

43
Q

For large scale incident, consider sending BC 13 to ROC which is located at

A

2000 east imperial highway

44
Q

Platform level are designed to accommodate

A

a 6 car train ( over 450 feet long )

45
Q

Platform level will have

A

Emergency Trip Stations, an emergency equipment room and access to the tunnels

46
Q

Each ETS contains an Emergency Telephone to

A

communicate with ROC or the EMP. The ETEL is a push button device that will give the operator direct communication with the ROC

47
Q

Each ETS contains a Fire Department telephone found

A

from union station to westlake/macarthur

48
Q

Each ETS contains a diagram

A

as to what section of track will be affected by the trip switch

49
Q

Each ETS contains a ___ Sprinkler control switch to ____

A

Deluge / activate sprinklers under the train in the event of a fire

50
Q

Each ETS contains a Trip-switch to

A

diconnect power to a segment of the 3rd rail.

51
Q

Prior to pushing the trip switch…

A

make sure the entire length of the train is in the station

52
Q

If one collector shoe is in contact with a live section of the 3rd rail

A

the entire is still energized

53
Q

The 3rd rail carries ___ volts and can be on either side of the track

A

750

54
Q

Considerations prior to pushing the trip switch

A

ROC must be contacted via the ETEL.

55
Q

ROC can ____ the track in a smaller power zone

A

de-energize

56
Q

When the trip switch is pushed…

A

may strand another train in the affected zone as well as eliminate the use of a rescue train in an adjacent tunnel

57
Q

If the trip switch is pushed…

A

metro personnel will have to respond to re-rack the breakers which will cause a delay in restoring service

58
Q

The emergency equipment room is located on

A

one end of the platform in each station

59
Q

The emergency equipment room will have

A

a collapsible equipment cart for FD use and two 3rail ground straps

60
Q

The equipment cart is a

A

two-piece cart that when assembled can be pushed along the train tracks

61
Q

Grounding straps

A

is not recommended for use by first responders

62
Q

Grounding straps should be placed by

A

Metro personnel

63
Q

Equipment car: consideration should be given to checking …

A

the 3rd rail power with a voltmeter carted on FD apparatus

64
Q

Contact Rail System is the electrical conductor that provides the

A

750 VDC direct current to the car through contact with the current collector shoes

65
Q

There are ____ collector shoes on each car

A

4

66
Q

There are a total of ___ Cross Passages

A

93

67
Q

Cross passages are staggered at appear ___ intervals

A

750 foot

68
Q

Cross passages are used for the

A

transfer of passengers or emergency responders from one bore to another

69
Q

Some cross passages also lead to

A

emergency exits to street level

70
Q

All cross passages include a

A

BLS with an ETS to de-engerize a section of track and 2 1/2” FDC

71
Q

Emergency Exits can be accessed from

A

track level, platform level, mezzanine and ancillary levels

72
Q

Exits with RED exit signs will

A

not exit to street level

73
Q

Exits with GREEN exit signs indicate

A

street level egress and may exit via an emergency escape hatch.

74
Q

Emergency escape hatches have

A

panic hardware on the inside and an access door on the outside which may opened with a hydrant wrench

75
Q

Hatches are connected to an

A

intrusion alarm which will display on the EMP and at the ROC

76
Q

There is a Emergency Walkway on

A

one side of the track

77
Q

Milemarkers are used in the tunnels

A

between terminals are marked at distances not to exceed 1/10th of a mile

78
Q

Channels that work on repeat mode

A

2,4,6,7,12,15,16,17

79
Q

AC hot stick will

A

not work cause it does not detect Direct Current

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