Section 5 - SOG - 3.23 Large Enclosed Structure Fires

Question 1

According to SOG 3-23, Large Enclosed Structure Fires,

Define large enclosed structure

Answer 1

An enclosed structure is one in which there is a limited number of doors and windows sufficient in size and number to provide adequate emergency evacuation.

Approximately 30m by 30m

Question 2

According to SOG 3-23, Large Enclosed Structure Fires,

As part of the initial size-up the first arriving captain shall

Answer 2

Identify the building as a large enclosed structure

Question 3

According to SOG 3-23, Large Enclosed Structure Fires,

Consideration should be given to this

Answer 3

• Requesting additional apparatus/alarm
• Alternative entrances to limit hose lengths to less than 60m into a building

Question 4

According to SOG 3-23, Large Enclosed Structure Fires,

All personnel shall attempt to identify this

Answer 4

• The presence of trusses
• Whether they are steel or wooden
• Whether the fire/heat is impinging on the trusses

This information shall be communicated to the IC

Question 5

According to SOG 3-23, Large Enclosed Structure Fires,

When should level 2 RIT status be considered?

Answer 5

When interior visibility is diminished and/orconditions warrant

Question 6

According to SOG 3-23, Large Enclosed Structure Fires,

When interior visibility is diminished and/or conditions warrant the IC shall consider

Answer 6

Upgrading to level 2 RIT status