This is likely due to average height and common usage.
Ada toilet grab bars location.
All grab bars shall be located 33 36 inches 840 915 mm above the finish floor.
In order to comply with the specifications reach range the toilet must be centered 18 to an adjacent side wall or partition.
Grab bars located behind the water closet shall be at least 36 inches 915 mm in length.
The toilet paper dispenser shall be mounted below the grab bar at a minimum height of 19 inches 485 mm.
Grab bars in toilet stall requirements.
Grab bars shall comply with 609.
The ada says that grab bars should be installed horizontally between 33 inches and 36 inches maximum above the finished floor to the top of the gripping surface section 609 4.
Side wall the side wall grab bar shall be 42 inches 1065 mm long minimum located 12 inches 305 mm maximum from the rear wall and extending 54 inches 1370 mm minimum from the rear wall.
The ada standards require horizontal grab bars on the rear wall and side wall of the water closet but it does not specify a vertical grab bar.
Typically grab bars in the shower should be installed 33 to 36 inches from the floor of the bathroom this is according to ada americans with disabilities act standards.
Grab bars location typical toilet water closet not in a stall.
In addition a rear wall grab bar complying with 604 5 2 shall be provided.
A 42 inches 1065 mm minimum length grab bar is required on the side wall spaced a maximum of 12 inches 305 mm from the back wall and extending a minimum of 54 inches 1370 mm from the back wall at a height of 33 36 inches 840 915 mm.
Side wall rear wall rear wall the rear wall grab bar shall be 36 inches 915 mm long minimum and extend from the centerline of the water.
But i would strongly recommend to take into consideration the height and physical capabilities of the person you are installing these grab bars for.
However you will often see them while in a toilet room or in the accessible stall.
Toilet paper dispensers must be within accessible reach from the water closet.
Grab bars are required in accessible toilet rooms.
The sidewall must be a minimum length of 54.
A side wall grab bar complying with 604 5 1 shall be provided and shall be located on the wall closest to the water closet.
Figure 30 a shows this end 6 inches 150 mm maximum from the corner.
Are not automatic they must be located on the wide open side of the.
One end of the grab bar is shown near the corner of the stall closest to the water closet.