Metro Manual Flashcards
What are the dimensions of metro cars?
75 feet long, 10 feet wide, 10’10” high. Weigh approximately 40 tons. Pg12
Where is electricity from the utility company received and distributed for station in railroad way use?
The AC switch room. Page 2
What is a short section of third rail found just be on some station platforms to ensure uniform train acceleration?
Accelerator rail/kicker rail
How many collector shoes/paddles does each metro rail car have?
Four stores per car. Pg 3
What is the gray fiberglass like material over top of the third rail?
Cover board. Pg 3
What kind of breaking do Metro cars use?
Dynamic breaking. Page 3
What is the portion of the metro rail station containing the kiosk and gate gates?
The mezzanine
______ serves as the negative side a return for the third rail Electric traction power system
Running rail
What is the continuous set of electrical conductors containing 37 1/2 V power extending between metro cars?
Train line current
What is the maximum length of the station platform which dictates the eight car max train length?
600’
Where are vent shafts always located?
Within 100 feet of the ends of subsurface stations
What is the minimum consist for metro trains?
Two cars for the 1000 to 6000 series. Four cars for the 7000 series. Page 12
How many stations are within Northern Virginia?
25
Which line is a common corridor with CSX railroad?
The blue line
How are Metro car doors numbered?
One through six behind the operators cab 7 to 12 on the opposite side from the front to back. Page 13
What doors can be open from the outside with the barrel key?
Two, eight, and nine. Page 13
What doors can be opened using manual pull handles INSIDE the car behind the plastic cover?
Three, nine page 13
What is the only system above the floor of the metro cars that uses the 750 V?
The heater strips and air-conditioning systems. Pg 16
What doors can be opened by the emergency external door release?
1000-6000 series the EEDR opens doors 4 and 9.
7000 series, the EEDR opens the center doors 3 and 10.
Pg 14
What voltage is the Metro car is running on?
750V
Where are fire extinguishers in Metro car is located?
One in the operators cab and one under the last seat opposite the operators cab near the bulkhead door. Page 16
What are the two communication systems in all metro cars?
Internal intercom’s and a metro radio. page 16
What are the three types of stations in the metro system?
Aerial or elevated, surface or at grade, and sub surface or underground. Pg 18
What are the different station platform types?
Sideload platform-center track, center load platform- side track, split platform-multiple levels, or a combination. Pg 18
What is the central focal point of every station?
The kiosk. Page 18
What does the kiosk contain?
Communications equipment, elevator and escalator monitoring panels, station fire maps, fire and intrusion alarm panels, and close circuit TV monitors. Page 18
What are the three distinct types of electrical systems in the metro rail system?
Traction power, AC power, and battery backup power. Page 19
What percentage of lighting his battery backed up?
25%. Page 19
What does every station in underground portion of the railroad way have except Rhode Island Ave. station in DC?
Standpipe system. Page 20
What type of systems are in subsurface stations versus surface and Aerial stations?
Wet systems for subsurface. All others are dry systems. Page 21
What interval are the hose valves located for the fire control systems?
Every 200’. Pg 21
What types of automatic systems are used in metros facilities to protect sensitive equipment?
FM200. Pg 21
What are the two type of sprinkler systems in the metro system?
Wet pipe and deluge. Page 21
What is the automatic public address announcement system (APAAS)?
Provides the station manager with a pre-alert of a fire alarm. If manager does not respond station entrance inbound escalators will stop. And fire alarm will begin. Page 21
What are the two types of ventilation systems in tunnels in underground stations?
Normal and emergency. Page 22
What is the normal ventilation in the Metro system?
Train movement and mechanical fans. Page 22
What is the piston effect for ventilation?
As the train moves forward it forces air ahead of it and draws air in behind it. Page 22
At the conclusion of all incidents, all fans in the metro system should be returned to what mode?
Automatic mode. The other modes are emergency exhaust, emergency supply, and off
Who controls the ventilation fans?
ROCC. FRD can request ventilation. Pg 23
If a fire is reported at platform level, ROCC will activate fans in ______. If the fire is on the mezzanine level the ROCC will activate station fans in _____ mode to force smoke out of the station and away from evacuation routes.
Exhaust
Supply
Where are Knox box located in metro stations?
On the first flat wall to the right of the main entrance after the entry gate or within site of the main gate of no flat wall. Page 24
What is the passenger emergency reporting system (PERS)?
Pylons and stanchions around the station with a button that can be depressed to talk to the kiosk. Page 24
If FRD personnel need to access Metro after hours and have no key to a chained and locked gate, what should I do?
Cut the link of the chain closest to the lock. Do not cut the lock. Page 24
What are the two means to evacuate every station?
The entrance escalators or rail cars. Subsurface stations also have an emergency exit shaft or the vent shaft.Page 25
What does ROCC stand for?
Rail operations control center. Page 27
What area does the ROCC control?
All revenue areas. Pg 27