Questions and Answers
Premises must be identified by numbers or addresses visible from the street, with a minimum character height of at least ______ inches.
Building height is measured to the ______.
The tabular allowable height and building area per story for a fully-sprinklered Group I-2 occupancy of Type IB construction is _______ stories and ________ square feet.
What is the maximum tabular allowable height, in feet, for a nonsprinklered Group B occupancy of Type IIA construction?
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Basements do not need to be included in the total allowable area of a single-occupancy building, provided the total area of such basements do not exceed ______.
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A story is considered a story above grade plane where the finished surface of the floor above is more than ______ feet above grade plane.
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Incidental uses shall not occupy more than _______ percent of the building area of the story in which they are located.
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What is the maximum allowable height in feet above grade plane for a fully sprinklered Type IIA building housing a Group I-2 occupancy?
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What is the maximum allowable stories above grade plane for a fully-sprinklered IIIB building housing a Group I-2 occupancy?
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Combustible steeples are limited to a maximum height of _________ feet above the allowable building height.
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The area of a mezzanine is not to be included in the determination of the ___________.
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A minimum clear height of _______ is required above and below mezzanine floor construction.
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In general, the aggregate area of mezzanines within a room is limited to _______ of the area of the room in which the mezzanines are located.
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Portions of a mezzanine need not be open to the room in which the mezzanine is located, provided the enclosed space is limited in size to a maximum of ________ of the mezzanine area.
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A mezzanine is not required to be open to the room in which it is located where the occupant load of the enclosed space does not exceed ______.
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An allowable area increase for frontage is not permitted where a maximum of ________ of the building perimeter is sufficiently open.
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In order to be considered as sufficiently open for an allowable area increase for frontage, the public way or open space must have a minimum width of _______ feet.
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What is the maximum tabular height, in number of stories above grade plane, for a Group R-1 occupancy of Type IIIB construction where the building is protected by a NFPA 13R sprinkler system?
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What is the maximum allowable building area factor for a nonsprinkered Type VB building housing a Group B occupancy?
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The maximum permitted aggregate area of mezzanines, per story, in a Type IIB building provided with a sprinkler system and an emergency voice/alarm communication system is ______ of the floor area of the room.
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What is the maximum allowable number of stories above grade plane permitted for a Type IIIA building housing a Group R-2 occupancy that is provided with a 1 3R sprinkler system throughout?
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In order for a Group E building to comply with the unlimited area allowances of Section 507, the building's construction type cannot be Type _______.
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In order to reduce the required open space surrounding certain unlimited area buildings from 60 feet to 40 feet, walls facing the reduced open space shall have a minimum fire-resistance rating of ______.
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A complying Group H-2 aircraft paint hangar may be unlimited in floor area when limited to one story, provided the hangar is surrounded by yards or public ways having a minimum width of _____.
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Where using the special provisions of Section 510.2 for the horizontal building separation allowance, the horizontal separation between buildings shall be provided with a horizontal assembly having a minimum ________ fire-resistance rating.
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What is the maximum allowable height permitted for a noncombustible communications tower located on the roof of a Type IIB office building?
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In order for a Type IIIB office building to be considered for unlimited area, it must be limited to a maximum height of _______.
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A one-story Group A-3 gymnasium building of Type IIIA construction may be considered under the unlimited area provisions, provided the gymnasium floor is located a maximum of ______ above or below grade level.
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A Group H-3 storage room located within a 100,000-square-foot unlimited area manufacturing building of Type IIB construction is limited to ______ square feet where not located on the building's perimeter.
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A nine-story apartment building of Type IIA construction shall be located a minimum of ______ feet from any other building on the lot and from all lot lines.
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In buildings of Type I or II construction housing special industrial occupancies in accordance with Section 503.1.1, the aggregate floor area of mezzanines is limited to a maximum of ______ of the area of the room in which they are located.
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Where the aggregate area of all equipment platforms within a room is limited to a maximum of _______ of the area of the room in which they are located, the equipment platforms shall not be considered a portion of the floor below.
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The area of a complying covered mall building and any anchor stores is not limited where a maximum height is _________ stories.
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A Group E building of unlimited area shall be surrounded and adjourned by public ways and yards a minimum of ______ feet in width.
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What is the maximum allowable building height in feet above grade plane for a nonsprinklered IIIB building housing a Group B occupancy?
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Study Notes
Premises Identification and Building Height
- Premises must display numbers or addresses visible from the street, with characters at least four inches high.
- Building height is measured to the average height of the highest roof surface.
Group I-2 Occupancy Standards
- Fully-sprinklered Group I-2 in Type IB construction allows a maximum of five stories and unlimited area.
- For nonsprinklered Group B occupancy of Type IIA construction, the maximum allowable height is 65 feet.
Basement and Story Definitions
- Basements can be excluded from total allowable area if they do not exceed the area of a one-story grade plane building.
- A story is classified as above grade plane if the finished floor above is more than six feet above grade.
Incidental Uses and Maximum Heights
- Incidental uses are restricted to no more than 10 percent of the building area on the same story.
- Fully sprinklered Type IIA buildings housing Group I-2 occupancy can reach a maximum height of 85 feet.
Building Construction and Mezzanine Regulations
- Non-combustible buildings like Type IIIA can have a maximum height of four stories if equipped with a NFPA 13R sprinkler system.
- The area of a mezzanine does not count towards building area limits, provided it does not exceed 50 percent of the room’s floor area.
Frontage and Open Space Requirements
- To qualify for area increases, at least 25 percent of the building perimeter must be sufficiently open.
- Open spaces adjacent to buildings must have a minimum width of 20 feet for area increases.
Special Occupancy Provisions
- Group E buildings must not be Type IIIB to comply with unlimited area allowances.
- A maximum fire-resistance rating of three hours is required for walls facing reduced open spaces to lower the required surrounding area.
Limitations on Stories and Building Dimensions
- A Type IIIB building can only have a maximum height of two stories to be eligible for unlimited area provisions.
- The maximum building area for a nonsprinklered Type VB building with Group B occupancy is limited to 9,000 square feet.
Aggregate Area of Mezzanines and Platforms
- In Type I or II construction, the mezzanine area is limited to a maximum of two-thirds of the room area.
- Equipment platforms can cover a maximum of two-thirds of the room area and are excluded from the floor area calculations.
Mall Building and Public Way Requirements
- Complying covered mall buildings with anchor stores have no area limit if the maximum height is three stories.
- Group E buildings of unlimited area must have a surrounding width of at least 60 feet in public ways and yards.
Nonsprinklered Building Standards
- The height of nonsprinklered IIIB buildings that house Group B occupancy is capped at 55 feet.
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Description
Test your knowledge on International Building Code (IBC) regulations from Chapter 5. This quiz covers fundamental concepts such as building identification and measurements. Perfect for students and professionals in architecture and construction.
