TB-116: Metro Heavy Rail Lines Flashcards
he Metro heavy rail Red/Purple Line is currently _______, including the yards and shops maintenance area, and services _____stations, from Union Station to North Hollywood.
17.4 miles in length, 16
Metro has an active fleet of ____ train cars. The train configuration is set up with a minimum ___ car combination, which includes one “A” car (with the controller’s cab), and one “B” car, and up to ___ cars maximum.
104, 2, 6
The trains are propelled by four traction motors per car, operated from_____. Each train’s power is supplied by the contact rail (third rail).
To shut off battery power, locate the battery box on the ___, open hatch and flip the trip switch
750v DC
“B” Car
The ______ level is the first level below ground, which is the public access level to the tunnel. In some stations, an _____ level may be encountered as the first level below the street
Mezzanine, Ancillary
For initial Fire Department operations, the most important area is the ____.
EMP (Emergency Management Panel)
The _____ Level is the area where passengers enter and exit trains.
Platform levels are designed to accommodate a ____ car train (over 450 feet long). This level will have the ________. There will be an ETS at each end of the station for each track, indicated by the Blue Light Station (BLS) on the wall.
Platform, 6, ETS (Emergency Trip Station),
There are ____ collector shoes on each car. When any one of the collector shoes is energized by making contact with the contact rail, all collector shoes are energized, and the entire train is energized.
Four
There are a total of ____ cross passages staggered at approximately ____ intervals throughout the tunnel
93, 750’
All cross passages include a BLS with an ETS to de-energize a section of track, an Emergency Telephone (ETEL), a Fire Department telephone (FTEL) and a ___ Fire Department Connection (FDC).
2 1/2”
Milepost markers are used in the tunnels between terminals and are marked at distances not to exceed ____.
1/10 th
The Fire Department has eight radio channels that are operational through a special antenna system within the Metro Rail Tunnel.
Repeat Mode: 2, 4, 6, 7, 12, 15, 16, 17
A Pre-Action Sprinkler system has been installed at all other TC&C rooms throughout the Metro Red/Purple Line. An air compressor maintains ____ in the line. Two actions must be activated prior to valve opening:
1.
2.
20-40 PSI
- Activation of a smoke detector, or duct smoke detector.
- Heat detection of heat greater than 160 degrees at the sprinkler head.
Hose cabinets contain the following: extinguishers, ____ inch wet standpipe with ____ feet of hose and nozzle, and ___ inch Fire Department outlet.
1 1/2”, 100’, 2 1/2”
The deluge system is only activated _____, it does not activate ____.
manually, automatically
There are 2-½ inch outlets located approximately every ____ in the tunnel and cross passages.
250’
