TB 3 - Type 4 Buildings - Aluminum Flashcards
(11 cards)
How wide and how deep was the aluminum structure?
36 feet wide
204 feet deep
What is the corrugated sheet aluminum laid over?
Framework of steel pipe
Aluminum sheets are how wide and how long?
26 inches wide
10 feet long
What are the aluminum sheets held in place by?
Lead-headed straw-nails twisted around the pipe framework
These roofs are safe to walk on normally but when heated by fire become?
Unsafe
If a man steps in any place close to the cut portion what can happen to the roof?
A section of roof may give way very easily
What type of ladder is advisable to be used whenever possible while working on the roofs of these structures under fire conditions?
Roof ladders
How many layers of thickness do these walls and roofs have?
Single thickness
Aluminum has a melting point of approximately what degree?
1300 degrees
Most fires in these structures can reach 1300 degrees in how many minutes?
10 minutes
Do these structures vent themselves quicker than other types due to temperature reaching 1300 degrees in 10 minutes?
Yes