Construction Types and Occupancy Classifications

2261 Words Mar 4th, 2013 10 Pages
Fire 73:

Construction Types & Occupancy Classifications

Fire 73: Fire Prevention Technology

Learning Outcomes
Following instruction the student shall:
Understand fire resistive construction, noncombustible construction, combustible construction, and what constitutes fire-resistance. Identify and describe each of the five construction types and the construction features and fire dangers that are common to each construction type.

Chapter 4:

Construction Types & Occupancy Classifications

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Chapter 4: Construction Types & Occupancy Classifications

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Learning Outcomes
Following instruction the student shall:
Understanding building use, what determines the occupancy classification per the fire code, and the dangers
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Structural members (frame) are non-combustible:
Concrete Unprotected steel
Will not burn, can fail in a fire leading to building collapse.

Combustible materials allowed on non-structural:
Wall coverings, roof coverings, finish flooring, wood trim.
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Type-II, Noncombustible Construction

Type-II
Structural members are non-combustible. In fire, contribute little or no fuel. Fire load is the contents.

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Chapter 4: Construction Types & Occupancy Classifications

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Chapter 4

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Fire 73:

Construction Types & Occupancy Classifications

Type-II
Are the building materials or the building contents the risk?

Type-III, Ordinary

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Type-III
Commonly called:
Ordinary Masonry Limited Combustible Exterior Protected

“Main Street” USA
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Type-III
Exterior walls are non-combustible.
Usually masonry material. 2-hour fire-resistance rating.

Type-III
Concealed Void Spaces:
Primary fire concern are concealed void spaces between the walls, floor, and ceiling.
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