Please help me with this cause I believe the answer of this question should be 0.4, not 0.33. Because the W is 24 instead of 20. According to IBC-2015 506.3.2 W is the measured to the closest interior lot line (or the building face) that is minimum 20 feet. The question only gives us one distance which is 24 feet and as I understand it expects us to assume that W is not varying along the perimeter. So we don't need to apply Equation 5-4 of IBC-2015 to find the W value.
So the answer should be:
If= [(180/240) -0.25] x 24/30 = 0.4..????
Thanks and Happy Thanksgiving!!
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