To avoid cutting of CMUs, the dimensions of CMU wall segments and the openings in walls are multiples of an 8-in. module. What is the relationship between the dimension of an opening in a CMU wall as the multiple of an 8-in. module and the actual dimension of the opening?
What will be an ideal response?
Actual dimension of opening = multiple of 8 in. module plus one mortar joint thickness, which is 3/8 in.
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