Figure 29. Grab Bars at Water Closets.
Figure 29(a) Back Wall. A 36 inches (915 mm) minimum length grab bar, mounted 33-36 inches (840-915 mm) above the finish floor, is required behind the water closet. The grab bar must extend at least 12 inches (305 mm) from the centerline of the water closet toward the side wall and at least 24 inches (610 mm) from the centerline of the water closet toward the open side.
Figure 29(b) Side Wall. 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). The toilet paper dispenser shall be mounted below the grab bar at a minimum height of 19 inches (485 mm). The height of the toilet seat shall be 17 to 19 inches (430 - 485 mm) above the finished floor.