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All structures shall be separated from adjoining structures. Separations shall allow for the displacement δM. Adjacent buildings on the same property shall be separated by at least δMT where

δMT = √(δM1)2 + (δM2)2               (Equation 16-64)

When a structure adjoins a property line not common to a public way, that structure shall also be set back from the property line by at least the displacement, δM, of that structure.

Exception: Smaller separations or property line setbacks shall be permitted when justified by rational analyses based on maximum expected ground motions.

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