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Wall heights are defined in the Structure Input Form and can now be changed at any time by returning to this form. This will modify the height of all walls on a building level and make the appropriate adjustments to the elevation of elements above.
Split-level structures are not possible in Shearwalls.
There are no limits enforced in the program for the total height of a structure. However NBC ASCE limits the application of the low-rise method of determining wind loads to buildings with a mean roof height less than or equal to 20 metres, and Shearwalls will not allow such loads to be generated on taller structures. Refer to the discussion in Wind Load Design Standard for the warnings and errors that occur if if the building height or height-to-width ratios exceed those recommended in NBC.