What O2 levels are unsafe
Below 19.5
Above 23.5
How deep is open top spaces
More than 4ft
What are the command positions
I
S
A
R
What are the operational positions
A V L A E R
What percent should the LEL of combustibles not exceed
10
How many members per life line
1
Who establishes appropriate PPE
IC
Who is in charge of the Hot Zone
Attendant
O2 above what percent is dangerous in a space
21%
What is worn when entering confined space
Harness
SCBA
Lifeline
What is a primary consideration for confined space
Flammable atmosphere
What conditions require waiting for a chief
Deceased
Sight
SCBA
What must never be used in a confined space
Medical oxygen