self contained breathing apparatus n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
Self Contained Breathing Apparatus PowerPoint Presentation
Download Presentation
Self Contained Breathing Apparatus

Loading in 2 Seconds...

play fullscreen
1 / 16

Self Contained Breathing Apparatus - PowerPoint PPT Presentation


  • 198 Views
  • Uploaded on

Self Contained Breathing Apparatus. (Positive Pressure) Open Circuit SCBA. OSHA 29 CFR 1910.134. 1998. What are the four hazardous respiratory environments?. 1. Heat 2. Smoke 3. Toxic gases (poisonous & superheated) 4. Oxygen deficiency <19.5%. Smoke. Byproduct of incomplete combustion.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'Self Contained Breathing Apparatus' - Rita


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
self contained breathing apparatus

Self Contained Breathing Apparatus

(Positive Pressure) Open Circuit SCBA

what are the four hazardous respiratory environments
What are the four hazardous respiratory environments?
  • 1. Heat
  • 2. Smoke
  • 3. Toxic gases (poisonous & superheated)
  • 4. Oxygen deficiency <19.5%
smoke
Smoke
  • Byproduct of incomplete combustion
toxic gases include
Toxic gases include:
  • Carbon Monoxide
  • Hydrogen Sulfide
  • Phosgene gases
air consists of
Air consists of:
  • 78% nitrogen
  • 21% oxygen
  • 1% other
when do we use scba
When do we use SCBA?
  • Oxygen deficient atmospheres / confined spaces.
  • Gas incidents.
  • Chemical incidents.
  • Salvage and clean-up operations.
  • True unknowns.
  • Whenever in doubt.
s c b a can t protect you from
S.C.B.A. can’t protect you from:
  • Gases absorbed through skin
  • Intense heat
  • Empty air supply
  • Radiation
psychological problems
Psychological Problems
  • Hyperventilation
how much time do you have with the scba
How much time do you have with the SCBA?
  • It’s never enough, but you have about 30 minutes if:
  • You’re in good cardiovascular health.
  • Not stressed out.
  • Good fit on mask
factors that affect fit of mask
Factors that affect fit of mask
  • Weight gain/loss
  • Facial hair
  • Shape of face
  • Good seal
safety check
Safety Check
  • Tank pressure
  • Low air alarm
  • High pressure line
  • Regulator
  • Mainline valve
  • Emergency by-pass valve
safety check cont
Safety Check cont.
  • Low pressure hose
  • Damaged lens
  • Facepiece straps
  • Facepiece seal