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26 Cards in this Set
- Front
- Back
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Construction classes are based on ___ and ___?
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Type of Materials and Fire Resistance Rating
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Name 5 types of Building Construction?
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I. Fire Resistive, II. Noncombustible, Limited Combustible, III. Ordinary, IV. Heavy Timber, V. Wood Frame
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Describe Type I Construction?
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Fire Resistive, Structural Members made of non- or limited combustible material, Fire resistive compartmentation
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What is Type I Primary Fire Hazard?
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Contents
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Describe Type II Construction?
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Non- or Limited Combustible, Fire resistive rating on all parts of structure, Limited use of nonfire resistive material
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What is Type II Primary Fire Hazard?
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Contents and Roof
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Describe Type III Construction?
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Ordinary, Exterior Walls and Members are Non- or Limited Combustible, Interior Structure Members are Wood
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What is Type III Primary Fire Hazard?
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Concealed Spaces
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Describe Type IV Construction?
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Heavy Timber, Walls are Non- or Limited Combustible, Other Interior Members are Wood
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What is Type IV Primary Fire Hazard?
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Massive Timbers
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Describe Type V Construction?
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Wood Frame, Single Family Residence
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What is Type V Primary Fire Hazard?
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Unlimited
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What is Fire Load?
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Maximum heat that can be produced if all combustilbe material in given area burns
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What are 2 factors that determine reaction of wood to fire?
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Size and Moisture Content of Wood
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What is a Party Wall?
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Supports 2 adjacent structures (load bearing)
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What is a Partition Wall?
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Divides 2 areas within a structure (nonload bearing)
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What is a Cantilever Wall?
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Freestanding Fire Wall
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What is a Veneer Wall?
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Decorative brick or stone attached to outside of load bearing frame
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What is Gypsum?
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High Water Content Material that provides excellent heat resistance
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What is a Roof Covering?
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Final Outside Layer of Roof; Example: Wood Shake Shingles
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What are indicators of Collapse?
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Cracks, Existing Signs, Loose or Falling Brick, Deteriorated Mortar, Leaning Walls, Distorted Structural Members, Heavy Loads, Prolonged Exposure, Noises
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What are determining factors in time until Collapse?
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Fire Severity, Type of Construction, Weight of Contents, Condition of Building
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What are 2 firefighting operations that increase risk of collapse?
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Improper Vertical Ventilation and Water Weight
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What are 2 safety precautions to take when collapse is possible?
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Evacuate and Establish Collapse Zone
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What is a steel truss's fail temperature?
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1000F
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How does steel react to heat?
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It elongates
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