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Thread: Definition of building story

  1. #1

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    Definition of building story

    Hey everyone,

    I am hoping some of you will share your definition of "story" and whether or not it would include a parking deck.

    For example, do you consider ground floor parking plus three floors of office use a three story or four story building?

    Thanks!!

  2. #2
    Unfrozen Caveman Planner mendelman's avatar
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    Our definition would include the garage floor as a floor.

    As follows: Story. That portion of a building included between the surface of any floor and the surface of the floor next above it, or if there be no floor above it, then the space between the floor and the ceiling next above it. Any portion of a story exceeding fourteen fett in height shall be considered as an additional story for each fourteen or fraction thereof.
    I'm sorry. Is my bias showing?

    Let's not be didactic in this profession, because that is a path to disillusion and irrelevancy.

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  3. #3
    We do not differentiate uses in the definition of story, so each story is what it is. In any event, height is the stricter measurement standard here.
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  4. #4
    Forums Administrator & Gallery Moderator NHPlanner's avatar
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    From APA's Planner's Dictionary:

    story
    • space in a building between the surface of any floor and the surface of the next floor above, or if there is no floor above, then the space between such floor and the ceiling or roof above; provided, however, that where the floor level of the first story is at least five feet below the adjoining finished grade, the space shall be considered a basement and not counted as a story. (Glendale, Ariz.)
    • That portion of a building included between the upper surface of any floor and the upper surface of the floor next above, except that the topmost story shall be that portion of a building included between the upper surface of the topmost floor and the ceiling or roof above. If the finished floor level directly above a usable or unused under floor space is more than six feet above grade as defined herein for more than 50 percent of the total perimeter or is more than 12 feet above grade as defined herein at any point, such usable or unused under floor space shall be considered a story. (Redmond, Wash.)
    • That portion of a building, other than a basement, included between the surface of any floor and the surface of the floor next above it, or if there is no floor above it, then the space between the floor and the ceiling above the floor of such story. (Ford County, Kans.)
    • The vertical distance from top to top of two successive tiers of beams or finished floor surfaces; and, for the topmost story, from the top of the floor finish to the top of the ceiling joists, or, where there is not a ceiling, to the top of the roof rafters. (Prince William County, Va.)
    • That portion of a building included between the upper surface of any floor and the upper surface of the floor next above except that the topmost story shall be that portion of a building included between the upper surface of the topmost floor and the ceiling or roof above. If the finished floor level directly above a usable or unused under-floor space is more than six feet above grade as defined herein for more than 50 percent of the total perimeter or is more than 12 feet above grade as defined herein at any point, such as usable or unused under-floor space shall be considered as a story. (Mora, Minn.)
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  5. #5
    Cyburbian Streck's avatar
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    Basement:
    That portion of a building included between the surface of any floor and the surface of the next floor above it, or if there be no floor above it, then the space between the floor and the ceiling next above it. For the purposes of height measurement, a basement shall be counted as a story when more than one half of its height is above the average grade elevation, or when the basement is used for commercial activities.

  6. #6
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    Where did you get the 14 ft height from?

  7. #7
    Cyburbian SW MI Planner's avatar
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    Quote Originally posted by mendelman View post
    As follows: Story. That portion of a building included between the surface of any floor and the surface of the floor next above it, or if there be no floor above it, then the space between the floor and the ceiling next above it. Any portion of a story exceeding fourteen fett in height shall be considered as an additional story for each fourteen or fraction thereof.
    In bold above, our exact same definition.

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