TB Confined Space Flashcards

2
Q

2 Main categories of confined spaces are Atmospheric Hazards & Physical Hazards. Atmospheric account for 65% of all confined space deaths. Name the 3 types of Atmospheric

A

“ATE” Asphyxiate, Toxic, Explosive

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3
Q

How can you detect a lack of oxygen in the atmosphere

A

Oxygen meter carried by Rescue & Haz Mat companies

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4
Q

What is harder to evaluate Asphyxiate or Toxic atmospheres

A

Toxic atmospheres. There are NO accurate ways to test for presence of all possible toxic materials in a field setting. Treat all confined spaces as deadly atmospheres until proven otherwise

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5
Q

As a bare minimum, the rescuer who is entering a confined space must know “CHEEF”

A

Communicate w/attendant outside, Hazards within the space, Escape route in an emergency, Equipment- how to use, & First aid/CPR

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6
Q

Prior to entry into a confined space 1 member should be designated SCBA control timer. When does the time get written down?

A

Write down time each member dons their facepiece

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7
Q

Each member entering a confined space must be secured to LSR using _

Can a TL be used as a high anchor point

A

Bowline on a bight & slippery hitch to LSR

Yes- preferred over AL. Supports at least 800 lbs compared to 250 lbs of AL. Never use either as a crane. Remove personnel from TT & shut engine off

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8
Q

Can CPR be performed in Confined Space

A

Introducing O2 into a flammable atmosphere could cause an explosion & dangerous atmosphere can be pumped into the victim. Generally, best to remove victim to a safe atmosphere ASAP

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9
Q

If a victim is found unconscious for an unknown reason in a confined space, how should we treat the patient

A

Treat as having a spinal injury

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10
Q
Safe Atmospheric Conditions 
A. O2 between _ & _%
B. Flammable range NOT over _% LEL
C. Toxicity of CO NOT over _ PPM
D. Hydrogen sulfide NOT over _ PPM
A

A 19.5-23.5%
B. Not over 10% LEL
C. 35 PPM
D. 10 PPM

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