METRO Flashcards
What is a short section of third rail found just beyond some station platforms to ensure uniform train acceleration
Accelerator Rail
One or more rooms in all Metro stations wherein electricity from the utility company is received and distributed for station and Rail Roadway use
AC Switch Board Room
A chain marker is a measurement system sign displayed every how may feet?
100
How many collector shoes per rail car?
4
A method of train breaking where kinetic energy from train movement generates current at the traction motors and is dissipated by the resistor grids
Dynamic Breaking
ETS boxes are located every how may feet along the road railway
800
The process of moving a rail car away from the platform to free a trapped victim is known as?
Lateral Jacking
How many engines are dispatched to a rail car fire, collision, or derailment?
5
What is the maximum load that can be placed on the ETEC Cart?
250 lbs.
Each METRO station is approximately how many feet wide with platforms how many feet wide?
60 feet wide with platforms 600 feet wide
How many feet should the WASAD be placed from the end of the incident?
No greater than 500
What is the “E” in the acronym ACRE stand for?
Evacuate/EMS
Emergency lighting is what percent of normal lighting in the station and every fourth light in the tunnel?
25%
Each rail car is how many feet in length?
75
What button should only be pushed when there is any imminent threat to life safety?
Red Mushroom button insde the ETS box
What is the max speed of a rail car?
75 MPH
the XX barrel key is uded to access what car doors?
2,8,9
What paddle from the WASAD attaches to the third rail?
Red T paddle
Who must grant permission for personnel to enter the rail way?
IC
What is ROCC?
Rail Operations Control Center
except in special cases, the travel distance to an emergency exit should not exceed how many feet?
1250
how many volts DC third rail electrical power system used to propel the trains?
750
what is the length of each metro railcar?
75 feet
what is the maximum station platform length?
600 feet
what device is absolutely needed if evacuating the train through the bulkhead doors?
the emergency ladder
the primary method of air exchange in the tunnels is by what means?
The Piston effect
what requires coordination with the ROCC prior to entering?
Rail Roadway
RRW gates are provided approximately every _______ feet
800
What rail acts as the negative return of the electric traction power system?
Running Rail
If there is an emergency, electrical or fire, at a traction power substation, what action should the FRD take to access it?
Wait for Metro Personnel
In a. revenue tunnels, and all stations connections for standpipes are located every ______ Feet
200
How frequent are chain markers?
Every 100 Feet
What is the exception of three tunnel locations, in the metro system emergency exits should not exceed a maximum travel distance of ______.
1250 Feet
When flaggers are to be used on a metro incident, how far should they be placed on each side of the incident?
750 Feet
At what energy range is the WSAD set to begin alarming at?
50-60 Volts
At a minimum what resources should be assigned to an EMS INCIDENT within the RRW?
1 transport, 1 engine, 1 rescue, 1 truck, 1 BMT
How many engines are dispatched for a fire in a rail car?
5
A crash or derailment has the potential to produce up to an excess of _______ victims
1000
When numbering the rail cars, how large should the rescue squad make each marking?
24 Inches
One or more rooms in all metro stations wherein electricity from the utility company is received and distrusted for station and RailRoadway use.
AC Switch Board Room
A bag found under the seats of the right rear,double seat of every car.
Emergency Evacutation Kit
A box with a phone identified with a blue light on to.
Emergency Trp Station
The process of moving a rail car away from the platform to free a trapped victim is known as what ?
Lateral jacking
The terminus for automatic train control information,trouble alarms,and radio transmissions
Rail Operations Control Center
A point where the RailRoadway enters or exits a tunnel
Portal
The chemical and biological substance detection system installed in WMATA rail stations that are located in sensitive areas of the DC region
PROTECT system
Circuit breaker facilities for traction power.located approximately 1/2 mile from the traction power substation
Tie-Breaker Station
A continuous set of electrical conductors containing 37 1/2 volts of power extending between cars .
Train line current
An instrument used to detect whether or not theirs rail power has been re energized in an emergency or work area
WSAD
What Metro lines run in NoVA ?
Silver,Blue,Yellow,Orange
What doors can be opened from the outside with the use of the XX barrel key
Doors 2,8,9
What doors can passengers and emergency crews open using the manual pull handles?
Doors 3 and 9
This area houses the stations communications equipment,elevator,and escalator monitoring panels,station fire maps, fire and intrusion alarm panels,closed circuit TV.
The Kiosk
What type of automatic suppression system is used in service areas,escalator pans,computer and electrical rooms across the Metro system?
FM 200
During Non revenue hours the main station gate is locked .If Fire and Rescue units need to gain entry and no key is available , how should it be done ?
Cut the chain at the closest link to the lock
How can the IC obtain the Command Conference Line number ?
Contacting ROCC via landline and requesting it
With the potential to have 34,500 volts and 154,000 amps the Traction Power substation is considered to be an extreme electrical hazard . What does Fire and Rescue need to do in order to gain entry?
Wait for Metro Personnel
A spring clip that attaches to the one of the third rail collector shoes and has 750 volts of power
Shop Stinger
All personnel shall carry a _______ and don reflective gear prior to operating anywhere in the Metro system.
Hand light
Metro chain marker signs are displayed every _____ feet along the railway.
100 ft.
Emergency trip stations “ETS” boxes or cabinets are located approximately every ___ feet along the railway.
800 ft.
The 3rd rail for metro trains provides electricity at what approximate power?
750 volts DC
Vent shafts are always within ___ ft. of the ends of a subsurface station.
100 ft.
Each 1,000-6,000 railcar is how many lengths in feet?
75
The smallest number of railcars operating as a metro system is a combination of how many feet in length?
150
Indoors of a metro car can be opened using what?
XX barrel key
What doors can be opened with a barrel key?
end doors, 2, 8, 9
The emergecny ladder on metro car compartments are located where?
opposite operator cab or under the first side facing seat
On 1,000-6,000 series railcars the EEDR operates what doors?
4 and 9
Metro stations are approximately ____ feet wide with platforms ____ feet long.
60; 600
All surface stations with the exception of Huntington Station, have hose valves that are located at ___ ft. intervals
200
The 2 distinct conditions for ventilations in metro system tunnels is _______.
normal and emergency
Metro rail systems electrical current provided by PEPCO and Dominion Power are ________.
13,800 and 34,500 volts AC
A chain marker K1 _ 880+00 indicates what?
K Line track 1 and 88,000 ft. from hub
Railroad emergency access gates are located approcimately every ___ ft.
800
The warning strobe and alarm device “WSAD” is designed to be placed at no greater distance than?
500
The warning strobe and alarm device “WSAD” will begin alarming at ___ volts.
50-60
The minimum resources for an EMS emergency on metro trains or stations is what?
1 ALS or BLS, 1 first responder unit
EMS incidents in the railroad way require what units?
1 ALS or BLS, 1 engine, 1 truck, 1 rescue, 1 Battalion Chief, 1 EMS supervisor
How long is a Series 1000-6000 rail car?
75 feet
What is the smallest number of rail cars operating in the Metro system?
2 cars; one married pair
What doors #s can be opened from the outside of a Metro car with the XX barrel key?
2,8,9
Door #1 is located where on a rail car?
First door behind operator’s cab on operator’s cab side
How can an emergency responder open center side doors without a key and with or without train door power?
Emergency External Door Release (EEDR)
When one collector shoe is in contact with the energized third rail, how many of the collector shoes are energized?
Four
How many volts of electricity runs from car to car to operate all Metro car systems other than traction power, heater strips, and air conditioning?
37.5 Volts
Under emergency backup battery power, how many lights operate in a tunnel?
Every fourth light
How many minutes does a station manager have to respond to a fire alarm, when alerted by the Automatic Public Address Announcement System (APAAS) before the inbound escalators will stop and an announcement of the fire alarm will begin over the station public address system?
Two minutes
What is the interval between hose valve connections in tunnels and under station platforms?
200 feet
When an incident has concluded, what mode shall all tunnel fans be turned to?
Automatic mode
If there is no key to unlock a main entrance gate after hours, what should you do?
Cut the chain at the link closest to the lock
Rail Roadway (RRW) gates are located at what intervals along the RRW?
800 feet
In what circumstances should the Emergency Trip Station (ETS) red button be depressed to deactivate third rail power?
Only when there is an imminent threat to life safety
With the exception of three locations, the maximum travel distance to an emergency exit in a Metro tunnel is what?
1250 feet
The Intrusion Detection and Warning System (IDW) will warn ROCC that something has penetrated the RRW barrier if the fence has been penetrated or is caused to tilt at what degree?
More than 30 degrees
The Warning Strobe and Alarm Device (WSAD) is designed to not be placed at distance greater than what from the incident?
500 feet
WSADs are designed to detect electricity at what voltage which is the same voltage at which stray current has been measured?
50 to 60 Volts
Personnel equipped with flashlights and portable radios should be stationed approximately how many feet on both sides of the incident to act as flaggers to warn oncoming Metro rail cars?
750 feet
The Metro system is considered to be a light rail system and uses which of the following to derive propulsion power?
Energized third rail
A “chain marker” is located every _____ feet along the rail roadway?
100 feet
How much electricity is delivered to the rail car from the third rail?
750 volts
Wayside phones are found in the Emergency Trip Switch (blue light, ETS) boxes located at what interval along the Rail Roadway?
800 feet
