M305.2.4 Cross Section.
Transfer supports shall have a cross section complying with 305.2.4.1 or 305.2.4.2.
M305.2.4.1 Circular Cross Section.
Transfer supports with circular cross sections shall have an outside diameter of 1 ¼ inches (32 mm) minimum and 2 inches (51 mm) maximum.
M305.2.4.2 Non-Circular Cross Section.
Transfer supports with non-circular cross sections shall have a cross-section dimension of 2 inches (51 mm) maximum and a perimeter dimension of 4 inches (100 mm) minimum and 4.8 inches (120 mm) maximum.
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