Some Differences between ADA Design Guidelines and ANSI A117.1
In the 2010 ADA Standards, the side wall grab bars are required to be horizontal per the figure below
ANSI A117.1 , in addition to the horizontal grab bar, it requires a vertical grab bar at the side wall.
In the ADA, a set of doors in series has a certain dimension between the two doors.
But in ANSI A117.1 the same doors in series also require a turning space within the interim space.
Toilet paper dispensers at the water closet also have different requirements between ADA and ANSI. The 2010 ADA Standards requires that the dispenser be located between 7"-9" from the face of the toilet
The ANSI Standards is more flexible on the position, and gives the designer more options
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