201.04 Flashcards
(16 cards)
What OSHA requirement is the 2N/2 out procedure based on?
29 CFR 1910.134 (G) (4)
OSHA states that “ once firefighters begin the interior attack on an interior structure fire…”
The atmosphere is assumed to be IDLH and two in/2 out applies”
What is the objective of 2N/2 out?
To have fully equipped firefighters in position during the initial fire attack to react in the event of a mayday situation
The 2N/2 out procedure will be established when?
Anytime firefighters are on air inside a structure with no other units having arrived on scene
When is 2 in/2 out procedure not required?
In the event, the initial company arrives on scene of a fire in the incipient stages
How does OSHA define the incipient stage of a fire?
A fire, which is in the initial/beginning stage and which can be controlled or extinguished by a portable fire extinguisher, class two standpipe, or small hose system without the need for protective clothing/breathing apparatus
What are the standard exceptions to the 2N/2 out requirement at structure fires?
•When there is a reported or suspected life hazard where immediate action could prevent the loss of life
• When the fire is in an incipient stage
During the initial deployment of the first in company, when is it necessary to communicate the 2N/2 out standard?
When the standard is not met
When is the 2 inch/2 out standard automatically met outside of the initial deployment of the first in company?
When the second arriving Fire company arrives and is in a position on scene or in level one staging
What is the requirement for the individual 2 in/2 out team members?
Make the incident commander aware of their position and function for accountability
Who must be solely dedicated to tracking interior personnel?
One primary member of the two in/2 out pair
What three things does the primary member of a two in/2 out pair need to function as a primary member?
•Appropriate PPE
• radio with the appropriate hazard zone capabilities
• work within the incident management system
The standards state that the second member of the two in/2 out team may do what?
Be engaged in other activities within the hazard zone (i.e. engineers operating the pumper)
When should the 2iN/2 out procedure be used?
When the initial arriving company officer is operating in the fast attack mode as the IC on an interior attack with another crew member
Who’s responsibility Is it to assume the primary 2in /2 out position?
The plug person
Who would assume the secondary two in/2 out position?
The engineer
