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Flashcards in Metro ESM 06 Deck (58)
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1
Q

From the Metro ESM:

In the Metro system, what does to term “right of way” refer to?

A

The areas between the fences and tunnel walls, where the track bed is located

2
Q

From the Metro ESM:

In some instances a floating concrete track slab is used to __________.

A

lessen vibration and noise

3
Q

From the Metro ESM:

What are the “running rails” of the Metro constructed of and what function do they serve?

A

Constructed of a continuous welded steel rail that acts as a negative return for the electric traction power system

4
Q

From the Metro ESM:

What are the three terms used to refer to switches?

A

Shunt, Interlocking, or Crossover

5
Q

From the Metro ESM:

Should it be necessary to work in the interlocking you must block the switch using a:

A

2”x4”, 4”x4”, or 6”x6” cribbing angled to a point at one end

6
Q

From the Metro ESM:

When blocking is used in the iterlocking who must immediately be notified?

A

OCC

7
Q

From the Metro ESM:

What are Metro Chain Markers?

A

A system of measurements along the right-of-way

8
Q

From the Metro ESM:

Chain markers are located every __________ feet along the line.

A

100

9
Q

From the Metro ESM:

What does the letter on the chain marker identify?

A

Route

10
Q

From the Metro ESM:

345+00 indicates what distance from the center or hub of the line?

A

34,500 Feet

11
Q

From the Metro ESM:

How far apart are signs located in the tunnels to show the direction and distance to the next station or emergency exit?

A

800 Feet

12
Q

From the Metro ESM:

How far apart along the right of way on fences and gates are “Danger High Voltage” signs?

A

250 Feet

13
Q

From the Metro ESM:

How far apart are “no clearance” signs?

A

50 Feet

14
Q

From the Metro ESM:

What kind of standpipe systems are used in the Metro?

A

Wet standpipe systems for underground stations, Dry standpipe systems for at-grade stations, dry standpipe systems for aerial stations, and dry standpipe systems for tunnels.

15
Q

From the Metro ESM:

What are the 3 types of Tunnels?

A

Circular, Horseshoe, and Box

16
Q

From the Metro ESM:

What are the dimentions of a circular tunnerl?

A

16ft 6in

17
Q

From the Metro ESM:

What are the dimentions of Horseshoe tunnel?

A

15 Ft

18
Q

From the Metro ESM:

How wide is a safety walk?

A

22in

19
Q

From the Metro ESM:

What are the dimentions of a box single tunnel?

A

13ft 9in

20
Q

From the Metro ESM:

What are the dimentions of a box double tunnel?

A

29 Ft

21
Q

From the Metro ESM:

What is the distance between concrete access points in walls in a box tunnel?

A

25 Ft

22
Q

From the Metro ESM:

How many Ft are between toe holds and grab rails?

A

30 Ft

23
Q

From the Metro ESM:

Where are fluorescent lights normally?

A

opposite the 3rd rail

24
Q

From the Metro ESM:

What is the maximum distance of any exit emergency exit?

A

1250 Ft

25
Q

From the Metro ESM:

What is the maximum height of an emergency exit?

A

220 Ft

26
Q

From the Metro ESM:

How far apart are the fluorescent lights?

A

40 Ft

27
Q

From the Metro ESM:

In an event of power loss, how many other lights will be on in a tunnel?

A

Every 4th

28
Q

From the Metro ESM:

What is located under ever light?

A

110 volt 30 amp 3 prong outlet

29
Q

From the Metro ESM:

Can the outlets from under the fluorescent lights work when there is a power outage?

A

No

30
Q

From the Metro ESM:

What 3 thing need to be done before passengers are evacuated?

A

Contact with OCC, testing the 3rd rail with volt probe, and using the WSAD

31
Q

From the Metro ESM:

What keys can unlock the padlock on a at grade right of way fence?

A

2595 or A389

32
Q

From the Metro ESM:

What is a common corridor?

A

section shared with other railroad lines

33
Q

From the Metro ESM:

At what angle the fence alarm go off?

A

30 degrees

34
Q

From the Metro ESM:

According to the Metro ESM how many inches is the safety walk way?

A

22 Inch Safety Walk with railings on each side.

35
Q

From the Metro ESM:

In each area Fire/Rescue personnel should refer to the _____ for best access to these structures

A

Metrorail Emergency Response Maps

36
Q

From the Metro ESM:

With the exception of the ______ on the L Route (Yellow Line) between L’enfant PLaza and Pentagon, which is equipped with a dry standpipe sysytem, all other elevated right-of-way have no water supply systems

A

Potomac RIver Bridge

37
Q

From the Metro ESM:

Evacuating Passengers on the aerial right-of-way should only be attempted as a _______.

A

Last Resort

38
Q

From the Metro ESM:

The ________ doors and ladder can be utilized as the evacuation route?

A

Front Bulk Head

39
Q

From the Metro ESM:

Yard Operations Buliding contains what?

A

Offices

40
Q

From the Metro ESM:

Yard limits are normally will be marked by separate chain markers with either the identifier ____for yard track or _____ for lead track.

A

YT and LT

41
Q

From the Metro ESM:

What is the duty hours for a Yardmaster?

A

24 hours a day

42
Q

From the Metro ESM:

The 750 volt “DC” line that supplies the______ is located along the _____ of the service and inspection shop?

A

“DC” and Ceiling

43
Q

From the Metro ESM:

Due to the________hazard Fire/Rescue personnel should refrain from using_______inside of the shop building

A

Electrical and Metal Ladders

44
Q

From the Metro ESM:

Train Control Equipment Facility contains what?

A

Computer equipment for train controls

45
Q

From the Metro ESM:

What isa Tie Breaker Station?

A

Utilized to control 750 volt “DC” power distribution in the yard.

46
Q

From the Metro ESM:

Where is the Motor Vehicle Access for the “A” LIne?

A

Access is from Somerville Drive off of Redland Rd or Rockville Pike (Rt 355)

47
Q

From the Metro ESM:

Where is the “B”Line loacted?

A

Between the revenue lines north of the Union Station Metro Station.

48
Q

From the Metro ESM:

Where is the access switches for the “B” Line?

A

Along track “B1 and B2”

49
Q

From the Metro ESM:

The Alexandria Service and Inspection Yard is located adjacent to the_______?

A

“J” Line

50
Q

From the Metro ESM:

Where is the ‘E” Line located?

A

Greenbelt Service and Inspection Yard is located outside the Capital Beltway past the end of the revenue lines of the GreenBelt Station.

51
Q

From the Metro ESM:

Where is the Motor Vehicle Access to the ‘F” Line Service and Inspection Yard?

A

off Auth Rd in Temple Hills MD

52
Q

From the Metro ESM:

Fire/Rescue units must provide their own ______ to the track bed?

A

Water Supply

53
Q

From the Metro ESM:

Passengers should be move to _________ cars in the consist or utilize a rescue train to move passengers to safety

A

Unaffected

54
Q

From the Metro ESM:

Plant maintenance building contains_______

A

Facilities maintenance equipment, offices, and workshops

55
Q

From the Metro ESM:

OCC does not have the access to______

A

Shut down the third rail power at the service yard

56
Q

From the Metro ESM:

Yard Trackage is normally broken down into sections_____?

A

according to uses

57
Q

From the Metro ESM:

All shop buildings are equipped with_________systems?

A

Fire Sprinkler

58
Q

From the Metro ESM:

The yard areas do not contain__________boxes

A

Emergency Trip Stations (ETS) boxes