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Flashcards in Dunn Ch 1 Deck (9):
0

4 factors will increase the number of burning bld collapse:

-age of bld, life span 75-100 years
-abandonment
-LW materials; collapse more quickly
-faulty renovations

1

Unprotected lw steel bar joists fail when exposed to __ of fire?

5-10 minutes of fire

2

Definition of structural collapse ?

Any part of a building fails, no matter how small. Ex: glass falling from a window because the window frame was heated by fire & distorts allowing glass to fall out of frame or glass cracks & fails

3

Glass broken by a FF venting is a ?

Falling object. Glass falling from window because window frame was heated by fire & distorts allowing glass to fall out or glass cracks from heat & fails is Structural collapse

4

The most common falling object at a structure fire?

Broken glass from windows being vented

5

1/4" or 1/2" glass could weigh ?

2 1/2 or 5lbs

6

When trimming broken glass from windows, knock the glass shard ?

Inside

7

Commercial glass in more dangerous then residential glass ?

Because thickness & weight

8

Which parts of a building is more likely to collapse & kill FF ?

Floors, Roofs, Walls then Ceilings