PART 4 — STRUCTURAL DESIGNUpdated for the 2024 Ontario Building Code
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4.1.7.11.Exterior Ornamentations, Equipment and Appendages (See Note A-4.1.7.11.)
(1) The effects of wind loads on exterior ornamentations, equipment and appendages, including the increase in exposed
area as a result of ice buildup as prescribed in CAN/CSA-S37, “Antennas, towers, and antenna-supporting structures,”
shall be considered in the structural design of the connections and the building.
(2) Where there are a number of similar components, the net increase in force is permitted to be based on the total area
for all similar components as opposed to the summation of forces of individual elements.
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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.