Metro Emergency Services Manual Flashcards
Stations are constructed of non-combustible materials with a ____ hour fire restive rating
2
Public Areas finished with _____ material rated for flame spread of _____ or less
Class A, 25 feet
Platforms are constructed from
Red-Brown Terrazzo Tile
Last 42’’ closest to track bed is:
24” bumpy terrazzo and 18” granite surface
Length of metro stations
60’ wide x 600’ long
How many cars can a platform handle?
8 cars
Height of ______ above tunnel surface
30’-35’
Types of stations
Sub-surface/Underground
Surface/At grade
Aerial/Elevated
Where is the kiosk?
Located after Fare Gates and is the control center for the station
Octagonal shaped
Constructed of Glass & Metal
Equipment found in Kiosk:
PABX Phone, capable of calling OCC (Operations Control Center)
Public Address System
Communication Panel to elevator landings & elevators
Escalator & Elevator Control Panels
Fire & Intrusion Monitoring Stations
Monitors for Passenger Emergency Reporting System (PERS)
Emergency Trip Station (ETS) phones are at _____
Each end of the platform
Fare Gates automatically open after __________ when heat or smoke alarm hasn’t been reset
30 seconds
All Stations have ____ means of egress. Single entrance Stations will have to use Emergency Exit
Shafts
2
The following Procedures can be rechecked or attempted, before arrival of Elevator Mechanic:
Locate appropriate Elevator Machine Room & shut down main electrical power for 15- 20 seconds, then restore power
Electric Traction Elevators Counterweight System that is ____ greater than weight of car & expected maximum load
40%
Station can have as many as ____ Elevator Rooms
4
If something is caught between the sidewall panel & step, it requires _____ of pressure to stop
150lbs
Escalator basic unit construction
20 vertical ft. lengths
Truss support
Drive motor for each unit
Average width is 40”
Rise incline of 30 degrees
Speed of 90’ per minute
Greenish-yellow embarkation lights are located within _____ of where escalator steps flatten out
16”
Sprinkler shut off controls are located in Escalator pit, and can be access 1 of 3 ways:
- By lifting surface hatch at top of Escalator
- By entering Ancillary Room door off Safety Walk in trackway
- By removing plates at top or bottom threshold with large screw driver
When fire alarm is activated, power to Escalators shuts down automatically there is up to a ________ delay from the time of activation, and they stay stopped until alarm is
cleared
2 minute
Chain markers are located every ______ along the line
100 ft
“High Voltage” signs are every ______
250 feet
“No Clearance” signs are every ______ in the areas of no clearance
50 feet
3 types of Tunnels:
Circular
Horseshoe
Box (cut & cover)
Circular tunnel
Bored through Earth & Rock
16’ 6” wide
How wide are horseshoe tunnels?
15’’ wide for single track tunnels with a 22’’ wide Safety Walk if in side by side configuration
Box (Cut & Cover):
Dug from Surface down & then covered with Earth
______ wide for Single Track
______ wide for Double Width Tunnel
Double Tracks have poured concrete wall between Tracks & Crossover access every _____
13’ 9”, 29’, 25’
Walkways are equipped with toe holds & grab rails every ____ to assist in accessing Walkway
from Track Level
30’
All Tunnels are equipped with ____ wide Safety Walks, usually located opposite of 3rd Rail
22’’
Emergency Exit Shafts are equipped with metal open grate stairways, which may rise up to ____ in height, depending on topography
220’
Fluorescent lights are located every ____ above safety walks
40’
Every ___ light (160’) is on battery backup
4th
Every other light has _______ _____ ______ ______ under it, and doesn’t work with battery
backup
100 volt 30 amp 3 prong outlets
At-Grade Right of Way –
Protected by ____ chain link fence with barbed wire on top
Emergency access Gates located every ____ with padlock. _____ or ______ Metro Key to unlock
6 foot, 800 feet, “2595 or A389”
Should vehicles, or train cars break fence or cause it to tilt more than __________ , an alarm is
sounded at OCC
30 degrees
Each Car is:
____long
____ wide
_____ _____high
________ depending on Manufacturer
75’ long
10’ wide
10’ 10” high
36-40 tons depending on Manufacturer
Married Pairs:
A Car – ____ numbers
B Car – _____ numbers
_____long
Up to ___pairs in one train
__car total of ____ long
A Car – even numbers
B Car – odd numbers
150’ long
Up to 4 pairs in one train
8 car total of 600’ long
Rail cars are ______ _________ which means no frame, similar to a VW unibody
semi-monocoque construction
Exterior Sidewalls of railcars are ____ aluminum extrusions
1/4’’
Exterior Roof is corrugated sheeting & will support _____ as long as it’s spread at ____ intervals
250lbs, 30’’
Flooring is __ sheets of stainless steel with ___ plywood & fiberglass insulation in-between
2 sheets, ¾”
Rail Car Side Windows Rail Car Side Windows can be removed by removing ________
Removing rubber zip strip inside Passenger Compartment
____ Metro Key is required to use Door Opener
XX
Emergency Ladders are ____ wide x ____ Long when extended (Ladders are hinged in ________)
13’’ wide x 57’’ long
The Filter Capacitor Discharge Switch (FCDS) is at the ________ of the motor controller box, and
________ _______ ____ ____ ______
Bottom, discharges stored 3rd Rail power
Once 3rd Rail power is confirmed down by OCC you can dump the capacitors:
When looking at it from side of Car, it will be facing you in _____ Position or ______
Run, 12 O’clock
Once 3rd Rail power is confirmed down by OCC you can dump the capacitors:
To discharge, turn switch towards the front a______ to __ o’clock position
Within ___ ________, stored power will be discharged
1/4 turn, 3, 15 seconds
Metro has 3 distinct types of Electrical Systems:
Traction Power System
AC Power System
Battery Power System
Each substation is supplied by 2 feeders:
Pepco Supplies – ______ volts
Virginia Power Supplies – _________ volts
13,800, 34,500
A series of transformers steps the electric down to____ volts DC
750
The 750 volts DC passes through delayed reacting _____ amp breakers that allow up to _______
amp spikes
6,000, 100,000
