Curtain wall mullion center lines align with the structural column grid at every fifth mullion unless noted otherwise. Column grid lines 8L and 9L are spaced at twenty-one feet on center. The exterior wall assembly maintains a two-foot six-inch offset from the grid line.
DS DS 8L 9L 2'-6" 21'-0" 21'-0" MULLION CENTER LINE TO ALIGN WITH COLUMN GRID TO EVERY FIFTH MULLION, TYP. U.O.N.
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