Accessibility clearances for wheelchair forward approach layouts specify minimum dimensions for knee space depth, width, and clear floor area. The alcove forward approach requires a minimum width of thirty-six inches with a knee depth greater than twenty-four inches, and a total clear floor depth of forty-eight inches minimum. The open forward approach requires a thirty-inch minimum width and forty-eight-inch minimum depth. Side-by-side configurations detail sixty-inch minimum clear widths with thirty-inch minimum depths and knee heights greater than fifteen inches.
(A) FORWARD APPROACH-ALCOVE (B) FORWARD APPROACH >24" [610mm] 48" [1219mm] MIN. 36" [914mm] MIN. 48" [1219mm] MIN. 30" [762mm] MIN. > 15" [381mm] 30" [762mm] MIN. 30" [762mm] MIN. 60" [1524mm] MIN. 60" [1524mm] MIN. 1/2" = 1'-0" G003 2 TOE/KNEE CLEARANCES
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