Type 4 construction is found in older buildings such as
What is churches, schools and many other historical buildings
100
It’s critical that firefighters not feel a false sense of security because
What is these buildings are often poorly maintained, or have termites and/or weathering issues that can contribute to an earlier-than-expected collapse.
100
Floor Joists are
What is 8 inches wider stock with depths of 20 to 24 inches and the joists are 6 to 8 feet apart
100
Spaces are usually
What is divided 50x 50
100
Collapse zone should be
What is anywhere from one and a half to two times the height of the structure
200
They utilizes large dimensional lumber for
What is structural members and interior elements
200
Firefighters can identify these buildings by
What is the large lumber used for walls and the long distance of roof spans
200
What does the floor do
What is it is a High Contributor to Load Support
200
Arches or lintels are used at
What is openings between spaces
200
What can injure a firefighter and why?
What is debris can travel at an accelerated force from collapse
300
These buildings hold up well under fire conditions, due to
What is the density of it's members
300
What should you be aware of
What is safe practices and look out for unsafe ones
300
The members use
What is cast iron plates, cast iron rods with turnbuckles, split ring connectors, cast iron rods with nuts and washers, or mortised-and-tenon wooden conectors.
300
Stairs are either
What is cast iron or wood and are very steep to save space
300
What is NFPA 220
What is STANDARD ON TYPES OF BUILDING CONSTRUCTION
400
This contruction type was invented due to
What is the need for the storage of heavy manufacturing equipment In New England mills
400
What should firefighters study or investigate
What is any near misses or injuries while fighting a type 4 building fire
400
They sometimes include skylights along the ridge pole in
What is Clearstory assemblies
400
Exterior walls have
What is butresses or flying butresses
400
What is NFPA 220 an extract of and what section does it come from
What is Section 7.2 NFPA 5000®: Building Construction and Safety Code
500
These buildings were most commonly built before 1960
What is when bolts and metal plates were used as connectors
500
Better understand
What is how type 4 construction could react during a fire and what to be alert for
500
They are 8 inches by 8 inches
What is floor joists and roof rafters
500
What is a flying Butress and what do they do
What is free standing butress assemblies and are connected to the main structure by an arch, support the lateral forces and longetudinal length of the masonry wall
500
What is microllam and how big are it's pieces
What is laminated veneer lumber, 2x stock, 2x4, 6, 10, or 12, glued together,