Questions and Answers
When an inspector is reviewing plans for the construction of a new structure, what two questions should be asked?
When the inspector is reviewing plans for a renovation, which two other questions need to be asked?
What are the majority of the building codes based on?
The NFPA, International Code Council (ICC), or Canadian Commission on Building and Fire Codes (CCBFC).
What are common building elements used in structures in US construction?
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What type of construction is composed of only noncombustible or limited combustible materials?
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The small amount of combustible materials allowed in Type I construction deal with?
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What is the incorrect reference to Type I construction?
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What can compromise the fire resistance and life safety of a Type I structure?
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What type of construction is composed of material that will not contribute to fire development and spread?
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Describe how a typical structure would be built in a Type II application.
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What combustible materials may sometimes get incorporated in Type II construction?
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What type of construction is used to build churches, schools, apartment dwellings, and mercantile structures?
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What are the outside and inside walls made of in Type III construction?
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Can you find unprotected steel and aluminum framing in Type III construction?
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When inspecting Type III structures, what should the inspector look for?
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What type of construction is referred to as heavy timber construction?
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All building materials made of wood in Type IV construction must adhere to minimum dimension sizes. Anything used not conforming to these specifications is considered ______.
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Study Notes
Construction Plan Inspection
- Inspectors must ask two key questions when reviewing plans for a new structure: the building's purpose or intended use, and the materials and methods of construction.
- For renovations or new occupancy permits, inspectors should inquire if the building's purpose or materials have changed since the last inspection and how these changes impact fire and life safety provisions.
Building Codes Foundation
- Major building codes are typically based on guidelines from established organizations such as NFPA (National Fire Protection Association), the International Code Council (ICC), or the Canadian Commission on Building and Fire Codes (CCBFC).
Common Building Elements
- Typical elements in US construction include the structural frame, load-bearing walls (interior and exterior), nonbearing walls, and floor and roof construction.
Type I Construction
- Type I construction consists exclusively of noncombustible or limited combustible materials, offering maximum safety with high fire-resistance ratings.
- Common materials include reinforced concrete and protected steel frame, designed to maintain stability during fires and limit fire spread.
- Minor combustible materials permitted in Type I include specific roof coverings, wood trim, and finished interior surfaces.
Misconceptions about Type I
- The term "fireproof" is a misconception when referring to Type I construction, highlighting the importance of accurate terminology.
Risks in Type I Structures
- Fire resistance and life safety in Type I buildings can be compromised by the presence of combustible materials introduced by occupants, such as furniture and decorative items.
Type II Construction
- Composed of materials that do not contribute to fire development but do not meet Type I standards; suitable for low fire risk environments with appropriate fire-suppression systems.
- Typical constructions may feature metal framing or concrete-block walls with metal decking roofs supported by unprotected steel joists.
Usage of Combustible Materials in Type II
- Type II construction might incorporate combustible systems, such as certain roofing, flooring, and exterior decorative elements.
Type III Construction
- Predominantly used for buildings like churches, schools, and apartment dwellings; combines noncombustible exterior walls with code-approved interior materials.
- Exterior walls are often made with brick or concrete, while interior frameworks may utilize wood or metal studs.
Inspection Considerations for Type III
- Inspectors should be vigilant for voids in wood truss systems, potential changes in load-carrying capacity due to renovations, and structural shifts from original usage.
Type IV Construction (Heavy Timber)
- This construction type features noncombustible exterior walls and solid or laminated wood interior elements without concealed spaces, utilizing fire-retardant-treated wood.
- All wood materials must meet specific dimension and fire-resistance standards.
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Description
This quiz focuses on the key questions inspectors must ask when reviewing construction and renovation plans, specifically regarding building use and materials. Test your knowledge on the essential elements of construction types and occupancy classifications throughout Chapter 4. Enhance your understanding of fire safety and building regulations.