Chapter 13 Below-Grade Fires: Basements and subbasements, cellars and subcellars, and crawl spaces Flashcards
How does the tactics handbook define basements and cellars
basement = at least 50% its height ABOVE grade cellar = at least 50% its height BELOW grade
This area is located entirely below a cellar with extremely limited access and ventilation
Subcellar
What is the minimum SCBA cylinder size that should be used for subcellar fire?
45-minute
What are indicators of below grade fire?
smoke from every door, window, and seam with no visible fire
dark smoke from chimney
smoke pushing up the cracks at the door threshold
What is the first hoselines job at a fire near stairs?
Stop extension of fire to floors above
Where is the lock usually located on outside cellar doors?
Near the building wall rather the street
What should be mandatory of a second line if the first line will attempt an interior approach to cellar or basement fire?
Second line will be stretched to the same opening as the first
What size line must a cellar nozzle be connected to?
2 1/2 or larger
How long should you wait on a nozzle to knock down the fire before moving it?
1 minute
In balloon framing what is the board that the joists rest on?
ledger or ribbon board
In balloon frame house with fire in the wall where should the first line be stretched on a cellar fire?
to the basement by most direct means
In balloon frame house with fire in the wall where should the third line be stretched on a cellar fire?
to the top floor or attic
What should always be done before going down a cellar stairway with a hoseline
Charge it
How much hose should you have before entering the cellar on a commercial building?
Twice the depth of the store plus one length
Concrete, terrazzo, and tile floors weigh how much per square foot?
150 pounds
