Metro ESM2 Flashcards
How does the electric traction elevators used in the Metro System operate?
Hoisting motor that lowers the car
Cool air is supplied to an underground Metro Station when the temperature exceeds how many degrees Fahrenheit?
70
The Metro intrusion Detection and Warning System is divided in two zones that are approximately how long?
2000
Metro ventilation shafts that do not have a raised curb around the opening will have a flammable vapor and detection system located where?
at the base of the shaft
Is Halon 1301 heavier or lighter than air?
Heavier
The metro radio system code designation for a fire is?
Amber-Amber
The system for controlling train movement through the system consists of 3 control subsystems and a computerized central control facility at OOC. Which are the 3 subsystems?
Automatic train protection (ATP)
Automatic train supervision (ATS)
Automatic train operations (ATO)
How many Metrorail cars can a subway station handle in length?
8
In a subway station where does the demarcation between “free” and “revenue” occur?
Mezzanine
What is the primary means of evacuation from a metro station?
Escalators
A metro subway station could have up to how many elevator rooms?
4
To originate a call from the elevator care what button do you push?
The press to talk button
Should heat or smoke alarm activate and not be reset the fare gates will lock in the open position after how many seconds?
30
How wide is the bumpy Terrazzo tile surface on metro platform prior to entering the metro car?
24
When does the revenue side begin at the metro station?
When you pass through the fare gate
What does PERS stand for that located in the KIOSK?
Passenger emergency reporting system
When passengers are trapped in metro elevators there is one employee that will try to free passengers from elevator prior to Fire/Rescue units. What employee is authorized to do this at the metro station?
Station Manager
The elevators in use at metro stations are primarily intended for movement of handicapped person from street level to the mezzanine and to the platform level. There is one exception and that is what station in the metro system?
Forrest Glen station
For how many hours is the fire resistance rating of metro passenger stations?
2
The last 42 inches of the platform in a metro station closest to the track bed include how many inches of bumpy terrazzo tile surface and how many inches of granite surface?
24, 18
The entrance to each Metrorail Station is marked by a distinctive bronze colored pylon with what at the top?
A lighted “M” on all four side at the top
Where is the panel for monitoring any station’s fire and intrusion systems located?
The kiosk
What is the normal length of an underground platform?
600 Feet
In a metro station, if the heat or smoke alarm activates and is not reset, how long do the fare gates take to lock in the open position?
30 seconds
