10/11/20151 The Recruit will also practice and master certain skills and will be tested on these...
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The Recruit will also practice and master certain skills and will be tested on these skills. At the end of each subject there will be a quiz over the material that was taught. The firefighter is responsible for studying the material and practicing the skills.
Introduction
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SCBA
References
IFSTA Essentials of Fire Fighting Fifth Edition
IFSTA Essentials of Fire Fighting Fifth Edition Fire Fighter I & II Presentations
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SCBA
SCBASCBA
Self Contained Breathing Apparatus
SCUBASCUBA
Self Contained Underwater Breathing Apparatus
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SCBA
There are 4 common hazardous atmospheres associated with fires or other emergencies.
Oxygen Deficiency
Elevated Temperatures
Smoke
Toxic Atmospheres
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SCBA
Oxygen DeficiencyOxygen Deficiency
The combustion process consumes oxygen while producing toxic gases that either physically displace oxygen or dilute its concentration.
When oxygen concentrations are below 18%, the human body responds by increasing its respiratory rate.
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SCBA
Elevated TemperaturesElevated Temperatures
Exposure to heated air can damage the respiratory tract, and if the air is moist, the damage can be much worse.
Excessive heat taken quickly into the lungs can cause a serious decrease in blood pressure and failure in the circulatory system.
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SCBA
Con’t
Inhaling heated gases can cause pulmonary edema(accumulation of fluid in the lungs and associated swelling), which can cause death from asphyxiation.
The tissue damage from inhaling hot air is not immediately reversible by introducing fresh, cool air.
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SCBA
SmokeSmoke
The smoke at a fire is a suspension of small particles of carbon, tar, and dust floating in a combination of heated gases.
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SCBA
Toxic Atmosphere Associated with FireToxic Atmosphere Associated with Fire
The firefighter should remember that a fire means exposure to combinations of irritants and toxicants whose toxicity cannot be predicted accurately.
In haled toxic gases may have several harmful effects on the human body.
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SCBA
Con’t
Some of the gases directly cause disease of the lung tissue and impair its functions.
Other gases have no directly harmful effect on the lungs but pass into the bloodstream and to their parts of the body and impair the oxygen-carrying capacity of the red blood cells.
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SCBA
Limitations of WearerLimitations of Wearer
Several factors affect the firefighter’s ability to use SCBA effectively.
Physical
Medical
Mental
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SCBA
Limitations of SCBALimitations of SCBA
Limited visibility- The facepiece reduces peripheral vision, and facepiece foging can reduce overall vision.
Decreased ability to communicate-The facepiece hinders voice communications
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SCBA
Con’t
Increased weight- The protective breathing equipment adds 25 to 35 pounds of weight to a firefighter depending on the model.
Decreased mobility- the increase in weight and the splinting effect of the harness straps reduce the firefighter’s mobility.
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SCBA
Components &Components &
Safety FeaturesSafety Features
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SCBA
DonningDonning
Don means to put on.
DoffingDoffing
Dof means to take off.
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SCBA
DoffingDoffing
Make sure your are out of the contaminated area and the SCBA is no longer required.
Remove the regulator from the facepiece.
Remove the facepiece
Remove backpack assembly while protecting the regulator.
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SCBA
Con’t
Close cylinder valve.
Relieve pressure from the regulator in accordance with manufacture’s instructions.
Extend all straps.
Refill and replace cylinder.
Clean and disinfect the facepiece.
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SCBA
That concludes the self study part of the class. Now the student, that’s you, will watch the video Essentials of Firefighting Fire Self Contained Breathing Apparatus 1 & 2, which are located in the dayroom, right side of T.V., 2nd top draw. After the completion of the videos, return to the computer and take the quiz. There should be some answer sheets in the Recruit Training Book.
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SCBA
Quiz
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Quiz
1. SCBA is an acronym for
A. Self Contained Bubbling Apparatus
B. Self Contained Burping Apparatus
C. Self Contained Breathing Apparatus
D. None of the above
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Quiz
2. CO is the symbol for
A. Carbon Monoxide
B. Chlorine
C. Carbon Dioxide
D. None of the above
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Quiz
3. When in doubt
A. Run
B. Wear a SCBA
C. Go home
D. None of the above
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Quiz
4. Several factors affect the firefighter’s ability to use SCBA effectively, mental, physical and
A. Historical
B. Medical
C. Want to
D. None of the above
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Quiz
5. What % does the human body start to respond by increasing its respiratory rate.
A. 21%
B. 14%
C. 18%
D. None of the above
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Quiz
6. Elevated Temperatures, Smoke, Toxic Gases, and Oxygen Deficiency are what?
A. Hazardous environments
B. Bad day at work
C. Found in the bathroom
D. None of the above
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Quiz
7. What is the Red knob on the regulator used for.
A. Turn SCBA off
B. Look pretty
C. Bypass
D. None of the above
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Quiz
8. What is the name of the device that holds the air on a SCBA
A. Cylinder
B. Tank
C. Bottle
D. All of the above
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Quiz
9. The locking band is a part of the what of a SCBA?
A. Cylinder
B. Regulator
C. Backpack Harness
D. None of the above
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Quiz
10. SCUBA is an acronym for what?
A. Self Contained Under Bubba's Arm
B. Self Contained Utility Box
C. Self Contained Ugly Birthmark
D. None of the above