Appendices Flashcards
a short section of third rail found just beyond some stations platforms, to ensure uniform train acceleration. also known as the (kicker)
accelerator rail
when a smoke or heat detector alarm is recieved at the operations control center (OCC) it is described as being ________
active
the metro radio system code designation for a fire
amber amber
the level within a metro station where passengers await trains, embark and disembark
platform
the station managers control point in a subway station it contains the annunciator panel
kiosk
the metro radio system code designation for smoke in a rail car or in a station or tunnnel
gray gray
distance between every chain marker
100 ft
the metro system code designation for a collision or derailment
black black
the “private automatic branch exchange” telephones found in station service rooms and the kiosk
PABX
the direction away from the chain markers 0+00 on any given line
outbound
often referred to as “train control” or “central control” of the metro system
OCC
the portion of a metrorail station containing the kiosk and faregates
mezzanine
the railroad term that denotes the number of rail cars in a train
consist
the mechanical device on each end of a car used to connect one car to another
coupler
the gray fiberglass like material over the top of the third rail
coverboard
the name of the brake system of the ETEC cart
deadman control
a voltage testing device carried by metro employees to verify third rail power outages
hotstick
the direction toward chainmarker 0+00 (the hub of the line)
inbound
the system which detects damage to the anti-personnel fence or partition, by zone
intrusion, detection and warning (IDW)
the name used when two metrorail cars are coupled together
married pair
a secure box normally mounted on the first flat wall to the right as you enter a metro station, near its security gate. this box contains the keys for that metro station
knox box
the ________door is on the end of a metro car used for employee passage from car to car, or disembarking during emergencies
bulkhead door
a measurement system sign displayed every 100 feet along the right of way
chainmarker
the shared transportation right of way where metro runs in the median strip of an interstate highway or adjacent to other railroad tracks
common corridor
the car borne device designed to slide on the third rail to pick up DC propulsion current
collector shoe
the operation when a train operator uncouples disabled rail cars that cannot be moved
breakaway
a separate conference line to be utilized by the incident commander at a metro emergency
the command line
the name of the 3000 series railcar which employs regenerative braking
chopper cars
_________ rooms are in and or near a rail station containing mechanical equipment or service facilities, and where most heat and smoke detectors are located
ancillary
the track or station constructed at or near the surrounding ground surface level
at-grade
inside the blue light station box there is a telephone to communicate with OCC and a ________ to deactivate third rail power
emergency trip switch ETS
distance between blue light stations
800 feet
boxes or cabinets located approximately every 800 feet along the right of way and at the end of station platforms
blue light station (ETS)
the coarse gravel laid to form a bed for a railroad
ballast
the subsystem within the ATC system that monitors system status and provides controls to direct operation of trains, minimizes delays by controlling traffic patterns
ATS (automatic train supervision)
the subsystem within the ATC (automatic train control) system that enforces safe operation of the system
ATP automatic train protection
the subsystem within the ATC system that performs functions normally performed by the operator: acceleration, speed and deceleration
ATO automatic train operator
the system controlling train movement through the system
ATC automatic train control system
a portable handheld instrument used to check the third rail to detect whether or not electrical power is present
volt probe
an instrument used to detect whether or not third rail power has been re-energized in a work/emergency area. this instrument gives a visible and audible warning if the third rail has been inadvertently restored
WSAD warning strobe alarm device
the name of the telephones found in the blue light boxes and some service rooms and fan shafts
wayside telephones
the train used to couple to a disabled train for the purpose of either pushing or pulling the disabled train off the mainline tracks
recovery train
the point where the right of way enters or exits a tunnel
portal
the metro employee assigned to each station to monitor equipment and systems and to assist passengers
station manager
the area considered to be the space inside the tunnel walls, at grade between fences or between railings on aerial structures
right of way
a concrete air exhaust structure with movable louvers at track level and a grater at the surface. they are always found within 100 feet of the ends of subsurface stations and in some cases found between stations
vent shaft
the portion of the ventilation system, found in underground stations, consisting of air ducts terminating under the platform at track level
under platform exhaust (UPE)
electric power centers located approximately every mile along the right of way, where electricity is received from the local power company
traction power substation (TPSS)
circuit breaker facilities for traction power, located approximately 1/2 mile from the traction power substation
tie breaker station
third rail power removed remotely by OCC via computer
supervisory power removal
an occurrence when the negative return in the traction power electrical system reaches earth ground. the voltage can be as high as 60 volts
stray current
the procedure of removing third rail power by physically disengaging large circuit breakers in the traction power substations and or tie breaker stations
red tag rail power removal
a train that is commandeered for the purpose of removing passengers from a disabled train
rescue train
the act of removing an electrical circuit breaker from it’s installed position
rack out
the metal paddle extending from each side of the truck (wheel assembly) of a rail car
power pick up shoe/paddle
the term used by metro to indicate that third rail power is being removed
power down
the term used by metro to indicate that third rail power is being activated
power up
the metro radio system code designation for a person jumping into the track bed or person struck by a train
purple purple
