SCBA Flashcards
What is a toxic product of combustion that can be deadly at high levels? At low concentrations, it can go undetected and contribute to nagging illness.
Carbon monoxide (CO)
leading cause of accidental death in the U.S.
Carbon monoxide (CO)
Number of Carbon monoxide (CO) deaths and illnesses
1500 accidental deaths and 10,000 illnesses annually.
Carbon monoxide is a ____, ____, and ____ gas that is a common industrial
hazard.
Colorless, odorless, tasteless
carbon monoxide poisoning symptoms
Mild poisoning can cause such symptoms as nausea, dizziness or headaches, while
severe poisoning can result in brain damage, heart damage, and even death.
Be suspicious of carbon monoxide poisoning if you develop headache, flushed face,
dizziness or weakness.
What PSI for hydro testing
50 psi
What are the psi’s for full, 3/4, 1/2, and 1/4 of the bottle
Full = 4500
¾ = 3375
½ = 2250
¼ = 1125
Type 1 Engine & Trucks
4 SCBA, 8cyl., 1 mask, 1 reg.
1 Hour Bottles IN RIC packs (Trucks & Rescues)
Type 3 Engine number of SCBA’s, Regulators, Cylinders, and Masks
3 SCBA, 3 reg, 6cyl (30min), 1 mask
When does the Vibralert LOW pressure ALARM kick on?
At 1125 (25%) 135psi (2nd) piston kicks on.
Purge valve
0-125 LPM
When to Wear YOUR SCBA?
Anytime visible smoke is in the structure
Whenever there is a potential for your atmosphere to change
Blown in Insulation
Wear it till the IC determines otherwise
HazMat-Use outlined in CFR1910.120
Confined Space
All Vehicle Fires
Investigators APR’s
SCBA out of Service
Notify your company officer
Tag and route: who, what, when, where
Cylinders needing Hydro drain to 50psi
Repair drain empty
What is a full bottles PSI?
4500 regardless of size
Pressure Reducer Stages
2 Stage Pistons
1st @100 psi
2nd @ 135 psi
