Ch. 2 Flashcards
What factors influence fire behavior
B C
O C
F L
F R
What classifies structures by material used
Building code
Type 1
Fire resistant
Type 2
Protected/Non combustible
Type 3
Exterior protected
Type 4
Heavy timber
Type 5
Wood frame
What helps determine structure collapse and occupant safety
Building classifications
Which type of construction has the highest requirement for resistance
Type 1
What type of construction does NOT have subclassifactions
Type 4
What NFPA details requirements for classification
220
What does 1st digit of code mean
Exterior Walls
What does 2nd digit of code mean
Columns
What does 3rd digit mean
Floors
What classification has non combustible and fire resistant structural components
Type 1
What slows the spread of fire through a building
Compartmentation
What type of structure is less likely to collapse
Type 1
What is the time for walls, columns and beams
2-4 hrs
What is the fire resistant time for floors
2-3 hrs
What is the fire resistant time for roof deck
1-2 hrs
What is the fire resistant time for stairwells
1-2 hrs
What type is most commonly constructed with steel frame
Type 1
What contributes to most of the fuel in type 1
Contents
What is a good non combustible material with insulation properties
Concrete
What can fail under an explosion or long fire
Reinforced concrete
What type of construction allows glass, block or aluminum
Type 2
When can the fire resistance for a roof be omitted
When the roof is 20 or more from the floor
If the roof is 20 feet or more what classification can it be inspected as
Type 1
What types requires fire resistance of 1 hr
2A
5
What type is similar to type 1 but with lower requirement for fire resistance
2A
What type has unprotected structural components
2B
What is the most common characteristic of unprotected, noncombustable construction
Unprotected steel
What are the factors that unprotected members will fail
C H
S S
I F
What type is commonly referred as ordinary construction
Type 3
Which type is commonly constructed with exterior walls of masonry
Type 3
What size does type 3 use for floor joist
2x10
Consealed spaces in type 3 must contain
Fire stops
Type 4 construction is known as
Mill
What is made out of wood in type 4
B
C
F
R
In type 4, what is not permitted between structural components
Concealed spaces
What construction does not include A and B subdivisions
Type 4
What designation is used instead in type 4
2HH
What are the minimum dimensions for floors in type 4
6x10
What is heavy timber primarily used for
Aesthetics
Which construction allows all structural members to be combustible
Type 5
How long is the fire resistance in type 5
1 hr
What is the fundamental problem with type 5
C V
How are wood frame buildings most often constructed
Light frame
What is a 15 story apartment building type
1A
What is an 11 story or less apartment type
1B
What affects the rate of egress in an emergency
Crow density
What is the range of hours for fire separation
1-4hrs
What is a critical factor when determining fire safety requirements of a space
Fuel load
What is the total quantity of combustible material in a compartment
Fuel load
What is the most commonly used test for combustibility *****
136
What is the temp of the vertical test tube
720C
What are the properties of fire resistance
C T C C C D D
How is fire load expressed
Pounds per square ft
How is fire resistance rating expressed
Time
Where is the most common place to test fire resistance
Lab
What is the standard test used for determining fire resistance
119
ASTM E 119 is also known as
NFPA 251
Where was the earliest know fire tests on buildings
Germany
Where were the first fire tests on building in the US
Denver
What are the 2 classifications for fire resistance on STRUCTURE systems
Bearing
Non bearing
Where are fire resistance rating established
Lab tests
What is ASTM 1529
Hydrocarbon
What test is universally accepted by building codes
119
What does 119 evaluate
S L to act as
F B
What does UL 2079 test
Joint systems
How often does UL publish fire resistance directory
Annually
What is the most commonly used fire temp test
NFPA 251
How is the fire resistance of building components most commonly tested
Lab testing
What type of construction allows unprotected steel to support combustible members
3B
Where are concealed spaces created in type 3 construction
Floor
Ceiling
What years were the fire test in Germany
1884-86
What year was the 1st fire test in the US
1890
What year was the fire tests in NY
1896
What indicates the ability of a structural assembly to maintain its load bearing under fire conditions
Fire resistance
What is the most common steel used in test data
A7
A36
What steel would produce inaccurate results
A242
UL 2079
Joint systems
What are 1 and 2 family dwellings not more than 3 stories high listed as in the IBC
R
What can create serious problems when the safety features required are not fully implemented
Change of occupancy