TB 116 Metro Heavy Rails Flashcards
What colors are metro heavy rails?
Red and purple
How long are the heavy rails and where do they service ?
17.4 miles long and service 16 stations from union square to north Hollywood
What is the configuration of the metro heavy rails ?
Minimum 2 car which includes “A” car (controller cab) and on “B” car and up to six cars can operate as dependent pairs “A” cab on each end
What are the train car dimensions and specs ?
75 ft long 10ft wide 12 ft high
Weight 80,000lbs
Max speed 70mph ( 55 union to west lake)
Normal configuration 4or6 car trains depending on passenger load
How are the trains propelled?
4 traction motors per car 750 Volts direct current power supplied by third rail which supplies all power traction motors, converter(for charging on board batteries), air compressor, heating elements, and A/C
Where are the batteries located ?
“b” car provide 37.5 VDC and have a disconnect switch
What’s the load capacity of the trains?
Each car 59 seated
One wheelchair space
220 passengers standing “crush load”
How can doors be opened during emergency?
Inside: red ball above each door
Outside : access panel next to center doors
External emergency door handle pulled to release system air
Wait 5 seconds manually separate doors ONLY CENTER DOORS
What kind of fire extinguishers does each train carry?
Each car has 2 (Type) 10A/60BC
What is in the ancillary level?
Different control rooms TC&C train communication and control Mechanical room DWP Fan room
Where can you enter the ancillary room front?
Mezzanine level most cases
Where are the sprinkler/standpipe shut offs located ?
The valve rooms
What functions can be done at EMP?
Exhaust fan
Escalators
Communication with Rail Operations Center (ROC)
Where is the EMP located ?
Mezzanine level
What is the older style of EMP specs?
Summary graphic map
4 panels; Zone alarm, telephone, fan control, public address
FTEL phone
Emergency response procedure and facilities map book
What are the specs on newer EMP?
2 touch screen display terminals one for schematic of station facilities and location
alarm zone display location and type of alarm
Public address panel / evacuation message
Telephones
Emergency response procedures and facilities map book
What ar the 6 types of alarm displayed in. Newer EMP panels?
- Fire direction (red)
- Fire suppression (pink)
- Intrusion detection (blue)
- Gas monitoring (green)
- Facilities (black)
- Fire vale\tampers (orange)
What information can ROC provide?
Nearest station or cross street to incident Status of incident train Nature and extent of fire and smoke Patient condition Updated information as it comes
What should be consideration for prolonged incidents?
Send a BC (BC13 preferred ) to ROC 2000 E Imperial Hwy to act as liaison
What is the platform level for?
Passengers enter and exit trains
It will have ETS emergency trip station emergency equipment room and access to tunnels
Where are the ETS located?
End of each track indicated by Blue Light Station BLS on wall
What does ETS contain
ETEL for ROC or EMP
FTEL (union-west lake)
Diagram to what section of track will be effected
Deluge sprinkler control
Trip switch to disconnect power to a segment of third rail
What’s the procedure for trip switch?
Roc must be contacted ETEL
Roc de energize track in smaller zone
Trip switch is pushed is immediate it can effect other trains including rescue train
Make sure the entire length of train is in the station
Lockout tag out with FD lock
If trip switch is pushed metro personnel will respond to re rack breakers which will cause delay
How many collector shoes are there ?
4
What are the levels of heavy metro rails?
Mezzanine and ancillary
Platform
Track
How many cross passages and how far apart are they?
93
Approx 750 ft apart
They all include BLS and ETS to de energize the section of track ETEL FTEL and 2 1/2 FDC
What color emergency exit lead to the street?
Green
What tool can be used to open emergency escape hatch?
Hydrant wrench
What are the 8 operational metro rail radio channels Fire Dept can use in direct mode in line of sight?
2 4 6 7 12 15 16 17
Where are Emergency telephones located?
Ancillary corridors
Sprinkler valve room
TC&C rooms
Other ancillary rooms
What are the sprinkler head types ?
Flushed 1/2 inch orfice activated at 160 degrees
Pendant activate 165-212
Upright activate 165-286
What is in the hose cabinets throughout mezzanine ancillary and platform levels?
1 1/2 inch wet standpipe with 100 ft hose and 2 1/2 fdc connection
What kind of water system does heavy rail have ?
Combined standpipe system at least TWO 8inch mains that will have 2 FDC per station
What is the fire dept augmented pressure should supply for metro rail?
125 psi
What is the rated capacity of emergency fans ?
200HP
150,000 CFMs
What is connected to tunnel vent fans in case of catastrophic loss of power?
Diesel engine generators located main yard and Vermont station
What is the width of emergency pathway on tunnel?
Minimum 30”
