Chapter 5 Article 11 Technical Rescue

Question 1

What 3 factors make up a Confined Space?

Answer 1

1. Large enough and configured to allow a person to enter and perform work
2. Has limited or restricted means for entry or exit.
3. Is not designed for continuous member occupancy.

Question 2

What 5 factors constitute a Hazardous Atmosphere for a Confined Space?

Answer 2

1. Flammable gas, vapor, or mist in excess of ten percent of its LEL
2. Airborne combustible dust that meets or exceeds it’s it’s LEL
3. Atmospheric Oxygen concentration below 19.5 or above 23.5%
4. potential excess of the permissible exposure limit
5. Or any other IDLH

Question 3

Any one of what 5 factors makes a confined space Permit Required?

Answer 3

1. Contains or has the potential to contains hazardous atmosphere.
2. Material that can engulf
3. inwardly converging walls or floor that slopes down and tapers
4. Ready removal of suddenly disabled member is difficult due to location and/or size of access openings
5. contains any other recognized serious safety or health Hazard