A concrete shear wall boundary element features number four closed ties and number four crossed ties spaced at five inches on center. The boundary element measures three feet in length with an overall wall thickness of one foot two inches, maintaining a one-and-a-half-inch typical clear cover. Wall reinforcement outside the boundary zone follows the main wall elevation and references detail seven on sheet S5.04. The maximum distance to the door opening is four feet six inches.
A 1'-2" #4 CLOSED TIES @5" #4 CROSSED TIES @5" WALL REINF PER WALL ELEVATION SEE B.E 3'-0" 4'-6" (MAX) DOOR OPENING SAD / 7 S5.04 TYP 1 1/2" 7 EQ SPACING
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