Fire Suppression Systems Flashcards
ETEC cart weight
165 lbs
ETEC cart max load
1000 lbs
ETEC cart capacity
4 passengers “supine”
ETEC cart brake system
deadman
ETEC cart wheels
10 inch flanged “non conductive”
ETEC cart material
aluminum alloy
ETEC cart max load on top
250 lbs
how metro support units do we have in the metro area
3
where are the metro support units located
Arlington,VA
PG, MD
DC
what does each support unit in metro carry?
30 SCBA pack and 30 SCBA cylinders
ETEC stands for
emergency tunnel evacuation cart
WSAD white paddle
running rails
WSAD red paddle
third rail
how do you arm the WSAD?
placing it on it’s back (strobe up)
WSAD stands for?
warning strobe and alarm device
the horn on the WSAD goes off when it detects______volts
50
the strobe on the WSAD goes off when it detects________volts
400
110v volt receptacles are located where?
under every other fluorescent light (80 ft)
where do you stand while using the volt probe?
between the running rails
volt probe (what probe goes to the running rails)?
red
volt probe (what probe goes to the third rail)?
black
while using the volt probe, always keep eye contact with what?
third rail
(volt probe) always remove the _______prong first
black
tunnels have dry chem extinguishers located where?
under ETS boxes
halon or Co2 extinguishers are located where?
train control rooms
all OS&Y valve are chained in the _______position
open
tunnels have wet or dry standpipe?
dry
piping for standpipe outlets are painted what color?
red
standpipe location in the tunnel are located every_______ft
200
whenever any of the (tunnel, aerial or surface) standpipe system is charged with water, who is notified?
metro, so they can drain it and get it back in service after use, and prevents frozen pipes
hose valves are located under the platform at _______ft intervals
200
what station has no under the platform standpipe system?
Rhode island ave
what is engraves on hose valve man hole covers?
“standpipe”
standpipes in sub-surface stations are wet or dry?
wet
deluge sprinklers are located in escalator pans of ________entry stations
single
system activation of the deluge system is by
ionization smoke detectors (top and bottom)
discharge nozzles are located every______vertical feet
50
each nozzle discharges _____gallon of water per minute
5
what is replacing halon in metro?
fm 200
halon systems are used to protect what?
sensitive equipment, (communications rooms, AC switchboard rooms, DC breaker and traction power rooms
the decomposition of halon begins at what temperature?
900 degrees
