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Questions and Answers
Determining the occupancy classification of a project should be one of the first steps in researching codes.
Determining the occupancy classification of a project should be one of the first steps in researching codes.
True
If there are two occupancy types in the same building, the larger occupancy is considered the main occupancy and the smaller occupancy is known as the accessory occupancy.
If there are two occupancy types in the same building, the larger occupancy is considered the main occupancy and the smaller occupancy is known as the accessory occupancy.
False
Subcategories of occupancy classifications such as assembly and institutional only affect the occupancy load of a project.
Subcategories of occupancy classifications such as assembly and institutional only affect the occupancy load of a project.
False
Locations of fire-resistance-rated walls are important in buildings with more than one occupancy classification.
Locations of fire-resistance-rated walls are important in buildings with more than one occupancy classification.
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If two different occupancies are separated by a non-rated wall, they can be considered a separated mixed occupancy.
If two different occupancies are separated by a non-rated wall, they can be considered a separated mixed occupancy.
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The number of occupants receiving care, not the total occupant load, determines if an assisted living facility is considered an institutional occupancy or a residential occupancy.
The number of occupants receiving care, not the total occupant load, determines if an assisted living facility is considered an institutional occupancy or a residential occupancy.
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The number of children receiving care determines whether a preschool is considered institutional or educational.
The number of children receiving care determines whether a preschool is considered institutional or educational.
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The size of the space determines if an indoor pool is considered an A-3 or an A-4.
The size of the space determines if an indoor pool is considered an A-3 or an A-4.
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When designing a restaurant in a jurisdiction that enforces the International Building Code and the Life Safety Code, which three occupancy classifications should be considered?
When designing a restaurant in a jurisdiction that enforces the International Building Code and the Life Safety Code, which three occupancy classifications should be considered?
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The occupancies that would be considered Institutional by the IBC are designated differently by the Life Safety Code. Name the TWO corresponding LSC occupancy classifications.
The occupancies that would be considered Institutional by the IBC are designated differently by the Life Safety Code. Name the TWO corresponding LSC occupancy classifications.
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The various types of hazardous situations that can occur in a building are also often referred to as what?
The various types of hazardous situations that can occur in a building are also often referred to as what?
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When measuring a building to determine the occupant load, ______ square feet refers to the building area that includes all miscellaneous spaces.
When measuring a building to determine the occupant load, ______ square feet refers to the building area that includes all miscellaneous spaces.
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The codes divided the type of hazardous occupancies into four main categories:
The codes divided the type of hazardous occupancies into four main categories:
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Which three items help to determine the occupancy classification or subclassification of a project?
Which three items help to determine the occupancy classification or subclassification of a project?
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The Life Safety Code distinguishes between new and existing occupancies. Which of the following scenarios would NOT create a new occupancy?
The Life Safety Code distinguishes between new and existing occupancies. Which of the following scenarios would NOT create a new occupancy?
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In the IBC, which of the following occupancies might be assigned to different subclassifications depending on the number of occupants?
In the IBC, which of the following occupancies might be assigned to different subclassifications depending on the number of occupants?
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Which of the following use types is usually NOT considered an educational occupancy?
Which of the following use types is usually NOT considered an educational occupancy?
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Which of the following building types may NOT always be considered a Residential occupancy?
Which of the following building types may NOT always be considered a Residential occupancy?
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Which of the following building types would be least likely to be a mixed occupancy?
Which of the following building types would be least likely to be a mixed occupancy?
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Which of the following occupancy classifications is currently NOT heavily regulated as a public accommodation by the Americans with Disabilities Act?
Which of the following occupancy classifications is currently NOT heavily regulated as a public accommodation by the Americans with Disabilities Act?
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Which of the following statements about accessory occupancies is NOT true?
Which of the following statements about accessory occupancies is NOT true?
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When there is more than one type of occupancy in the same building, in which case must they meet the requirements of the most stringent occupancy classification?
When there is more than one type of occupancy in the same building, in which case must they meet the requirements of the most stringent occupancy classification?
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In some cases, you may decide to increase the occupant load of a space so that it is higher than that determined by the load factor. When you do so, you must also do which of the following?
In some cases, you may decide to increase the occupant load of a space so that it is higher than that determined by the load factor. When you do so, you must also do which of the following?
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The occupant load is NOT needed to determine which of the following?
The occupant load is NOT needed to determine which of the following?
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What do you need to know in order to determine the required occupant load for a space?
What do you need to know in order to determine the required occupant load for a space?
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When a building has a mixed occupancy, the occupant load for the whole building is determined by which of the following?
When a building has a mixed occupancy, the occupant load for the whole building is determined by which of the following?
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If a space has multiple uses, the occupant load for that space is determined by which of the following?
If a space has multiple uses, the occupant load for that space is determined by which of the following?
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When calculating occupant loads, which of the following determines if the seats are considered fixed?
When calculating occupant loads, which of the following determines if the seats are considered fixed?
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Which of the following is NOT true about live/work units?
Which of the following is NOT true about live/work units?
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Study Notes
Occupancy Classification
- Determining occupancy classification is a crucial first step in researching building codes.
- If a building has two occupancy types, the larger one is deemed the main occupancy while the smaller is classified as accessory.
- Subcategories of occupancy classifications influence more than just occupancy load; they affect various safety requirements.
- Locations of fire-resistance-rated walls are pivotal in buildings with multiple occupancy classifications.
Mixed Occupancy
- Two different occupancies separated by a non-rated wall can be categorized as separated mixed occupancy.
- The number of occupants receiving care in assisted living determines if it’s classified as institutional or residential occupancy.
Childcare and Educational Classifications
- The classification of a preschool as institutional or educational does not depend solely on the number of children receiving care.
- Space size does not determine if an indoor pool is classified as A-3 or A-4 occupancy.
Occupancy Classifications for Specific Uses
- Key occupancy classifications for restaurant design under the International Building Code and Life Safety Code include Assembly, Business, and Mercantile.
- The Life Safety Code categorizes institutional occupancies as Detentional/Correstional, Healthcare, Daycare, or Residential Board and Care.
Risk Factors and Measurement
- Various hazardous situations in buildings are referred to as risk factors.
- Gross square footage is used when measuring building area, encompassing all miscellaneous spaces.
Hazardous Occupancies
- Codes classify hazardous occupancies into four main categories: Fire, Explosive, Physical, Health.
- Determining occupancy classification involves assessing the type of activity, potential hazards, and occupant numbers.
Life Safety Code and Occupancies
- The Life Safety Code differentiates between new and existing occupancies, with certain scenarios not creating a new occupancy.
- Residential and Institutional occupancies can have different subclassifications based on occupant counts.
Education and Residential Occupancies
- Some building types, like nursing homes, may not always be regarded as residential occupancy.
- Restaurants are less likely to be classified as mixed occupancy compared to other types.
Americans with Disabilities Act Regulations
- Certain occupancy classifications, like factories, are less regulated under the Americans with Disabilities Act compared to others.
Accessory Occupancies and Mixed Occupancy Compliance
- Accessory occupancies must not exceed 10% of the primary occupancy’s area, though this condition might not always be true depending on guidelines.
- In mixed occupancy buildings, compliance with the most stringent classification is required for non-separated mixed occupancies.
Occupant Load Calculation
- To increase a space’s occupant load beyond calculated limits, additional exiting and prior approval from a code official are necessary.
- The occupant load is not relevant when determining construction type but is required for defining occupancy loads based on load factor and square footage.
Space Use and Occupant Loads
- For spaces with multiple uses, the occupant load is determined by the use indicating the highest concentration of people.
- Determination of fixed seating includes criteria such as immovability, continuity, and permanence.
Live/Work Units
- Live/work units are defined as such if the residential portion is less than the nonresidential, with their total area regulated by codes.
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Description
Test your knowledge on occupancy classifications with this flashcard quiz from Chapter 2 of Interior Construction. Assess your understanding of how occupancy affects building codes and classifications. Perfect for students and professionals in architecture and construction.
