From ASCE 7 (ASCE 7-22,16, 10 & previous standards):
The “Least Horizontal Dimension” can be taken as the shortest possible distance that can be taken between two parallel lines that fully encompass the building
The Least Horizontal Dimension is further demonstrated as follows:
Where ‘B’ is the Least Horizontal Dimension.
For further reference, see our article on ASCE 7 Wall Zones Explained.
Last Update: February 15, 2024
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