Building analysis during any incident should be ___ that is performed on a regular basis as conditions change and time elapses.
cyclic
To predict collapse the ISO uses the classic “Identify-analyze-decide” method, we can take that three-part method and apply it using a 5 step process:
- Classify- the buildings construction (type/era/use/size) approach
- Determine- structural involvement (read smoke and flames)
- Visualize and trace loads
- Evaluate time
- Predict and communicate collapse potential.
Steps 1 and 2 of the process are when the ______ takes place?
Identification
Steps 3 and 4 are ____.
analytical
Gusset plates typically hold together trusses. Gusset plates pop out quickly during rapid heating and fall off completely when a small portion of the wood’s surface burn’s away— after as little as __ mins of burn time
5
Most fire service texts suggest a collapse zone of at least __ times the height of the structure that is anticipated to fall. Although this may be appropriate for wood structures, it may not be adequate for unsupported masonry block/brick walls. There are many documented collapses where the falling masonry wall propelled blocks __ times the height of the wall.
1 1/2
Three
When flanking a collapse zone, firefighters should use ____ and have rapid-withdrawal signals and routes pre-established.
spotters
