scba and fire fighter ppe
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SCBA and Fire Fighter PPE. FFII Training Hillcrest Station. Oxygen Deficiency. Oxygen deficiency Normal O2 is 21% 17% some muscular impairment and increase respiration 12% dizzy, headache and fatigued 9% Unconsciousness 6% Death. Elevated Temperatures. 120-130 degrees - PowerPoint PPT PresentationTRANSCRIPT
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SCBA and Fire Fighter PPE
FFII Training
Hillcrest Station
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Oxygen Deficiency
Oxygen deficiency Normal O2 is 21% 17% some muscular impairment and increase
respiration 12% dizzy, headache and fatigued 9% Unconsciousness 6% Death
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Elevated Temperatures
120-130 degrees reduced B/P, circulatory failure
Inhalation of hot gasses pulmonary edema (swelling) death from asphyxiation
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Smoke
Made up of Tar Carbon Dust
Some particles are irritating, some are lethal
Size of particle determines how deeply it gets into the lungs
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Toxic Gasses
Gas combinations will be different at each fire
May cause Disease of lung tissue Impair RBC ability to carry O2
Gasses given off determined by Nature of combustion Rate of heating and temperature O2 concentration at time of combustion
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Carbon Monoxide
Found at every fire
Colorless and odorless
Result of incomplete combustion
More deaths occur from this than any other product of combustion
Prevents O2 from attaching to hemoblobin
500ppm dangerous
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Carbon Monoxide – Care
Symptoms Flu-like
Need O2 immediately
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Hydrogen Chloride
Colorless gas
Pungent
Causes swelling of upper respiratory tract
Comes from burning PVC
Very dangerous during overhaul Latent heat can cause plastics and electrical
cables to decompose after fire is out
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Hydrogen Cyanide (HCN)
Interferes with respiration at cellular level and tissue level
Colorless, almond scented gas
Emitted by Wool, nylon, polyurethane foam, rubber, paper
Concentrations above 270 ppm almost immediately fatal
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Carbon Dioxide
Nonflamable, Colorless, Odorless
Paralyzes brain’s respiratory center
Watch out for CO2 flooding systems
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Nitrogen Oxides
Nitric Oxide NO and Nitrogen Dioxide NO2
Nitrogen Dioxide Reddish brown gas, known as silo gas Released from plastics
Cause pulmonary edema
React with water to form acids
Irritating effect often tolerated while inhaling fatal dose
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Phosgene COCL2
Colorless, tasteless gas
Disagreeable odor
Generated when freon comes in contact with flame
Generates Hydrochloric Acid when it comes in contact with water
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Dangerous Building Conditions
Fire Spread Combustible furnishing and finishes
Heavy Fire LoadLarge open spaces (hard to vent or stop spread)Weakened support membersWater build-upBuilding Collapse
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Electrical Emergencies
Downed power lines
Contact with electric lines
Energized equipment
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Handling power emergencies
Notify power company
No solid streams
Treat all lines as live
Avoid working under lines if possible
Keep aerial equipment 10 feet away from lines
Provide one span danger zone around lines
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Functions of protective clothing
Helmet with face shield
Protective hood
Protective coat and pants
Gloves
Boots
PASS
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Limitations of protective clothing
Depends on material
Direct flame contact
Chemicals
Comfort
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Inspection and care of equipment
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Fireground Accidents
Trauma
Heat Exhaustion
Chemical exposure
Cardiovascular
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Responding and Returning
Hearing
Falls
Slipping
Run over by apparatus
Thrown from apparatus
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Training
Same as fireground
Physical discomfort or illness
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Nonfire emergencies
Trauma
Chemical Exposure
Electrical contact
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Personnel Accountability System
Allows for accounting of all personnel on fire scene
Uses tags or badges
Standard procedure for “handing over ID”
List of who is doing what
What happens when I’m done or when I leave the scene
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Procedures for save environment
Redesign tasks to eliminate liftingUse proper lifting techniquesBe aware of unsafe conditions and attempt to fix themEliminate horseplayRequest assistanceStrive for good health/fitnessBe aware of proper disinfecting techniques
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