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