Chapter 6 - Ventilation Flashcards
1
Q
How is ventilation defined?
A
Systematic removal of the products of combustion, and introduction of fresh, clean, cool air into the fire building
2
Q
Vent for fire -
A
Coordination with the fire attack team, aims at decreasing flashover or back draft
3
Q
Vent for life -
A
Using horizontal and vertical ventilation to lift the smoke off of the civilians
4
Q
What is a heat hole?
A
Hole as close to over the fire as possible
5
Q
What are some warning signs of a compromised roof?
A
Hook penetrates the roof easily Melted tar or comp shingles Sagging roof decking Spongy roof Flames around roof vents Growing vent pipes
6
Q
Explain the Tap method
A
1 Tap - Stop and set brake
2 Tap - Cut
3 Tap - Get off the roof
7
Q
What is a common beam size for LWP roof?
A
6x36”
8
Q
What is the common beam spacing for LWP roofs?
A
12-40’
9
Q
What are the purlin spacing?
A
8’ on center
10
Q
What are the common rafter spacing?
A
2’ on center
