***DUNN BUILDING COLLAPSE Flashcards
(8 cards)
The Hierarchy of building elements from Most to least (Collapse seriousness)
MOST 1 Bearing walls 2 Columns 3 Girders 4 Beams (Floor& Roof) 5 Decks
Dunn Ch2 pg 13
Which part of a building is more likely to collapse and kill FF’s?
- FLOORS collapsing kill the most FF’s
- ROOF collapse is the 2nd most dangerous
- WALL collapse 3rd.
- CEILIING 4th.
4 “Factors” will increase the number of burning building collapses
1 the AGE of the building 2 Abandonment 3 use of LW construction materials 4 Faulty Renovation Ch1
Collapse Search & Rescue Plan has how many steps?
8 Steps
Ch 18 Pg 95
What are the 8 steps in the Collapse Search and Rescue Plan
1 Secure the area 2 Survey the site of the collapse 3 Utilities 4 Surface victims 1st 5 Search voids 6 TIME OUT to reexamine 7 Tunnel & Trench 8 Rubble removal SSUSSTTR Ch 18 pg 95
HIP Roofs HAVE___PRIMARYY STRUCTURAL MEMBERS.
9 STRUCTURAL MEMBERS
Ch7 pg37
T/F The most dangerous canopy is a metal (corrugated tin) or wood shed suspended over a truck loading area-covered with tar paper- and thus extremely combustible.
TRUE
Ch 4 pg 26
T/F For a 50’ long steel beam that is heated uniformly over its length from 72F to 972F, the average increase in length can be 3’ 9”
TRUE
Ch. 10 pg59