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12 feet
- If the finished floor level above the level under consideration is more than 12 feet (3658 mm) above the finished ground level at any point, the floor level under consideration shall be considered a story above grade plane. Where either one of these two conditions exists, the level under consideration is to be considered a story above grade plane.
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above the grade plane as defined in Section 502.1, the level under consideration is a story above grade plane, or If the finished floor level above the level under consideration is more than 12 feet (3658 mm)
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Feb 12, 2021 · More than 6 feet (1829 mm) above grade plane; or; More than 12 feet (3658 mm) above the finished ground level at any point. This definition has caused some confusion in the past, so here is a step by step breakdown: Is the floor surface of the story in question located entirely above the grade plane elevation?
Jun 18, 2020 · The finished floor of the story is above the grade plane. The finished floor of the next story above is more than 6 feet above the grade plane. The finished floor of the next story above is more than 12 feet above grade at any point around the perimeter of the building.
In addition, where fire walls are present, the elevation points should be taken at the intersections of the fire wall and the exterior walls. This definition is important in determining the number of stories above grade plane within a building as well as its height in feet.
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Apr 24, 2020 · RLGA, yes, it is a story by definition because the floor above is 6' above grade plane. The definition for "story" is more than 6' above grade plane for more than 50% of the building perimeter. This is my condition. The definition for "story above grade plane" is more than 6' above grade plane for the entire building.
building has three stories above grade plane and no basement for the down-slope segment. The measurement for the maximum height of the building would be based on the maxi- mum height of the down-slope segment.
Mar 20, 2024 · A simple grade plane accounting where and site slopes uniformly. On to simple example above, the grade plane measurement is easy the average of the elevations at the end of each wall segmented (e.g. in that east wall, (280+270)/2 = 275').
