Figure 30(d) Side Walls. Side grab bars shall be located 33-36 inches (840-915 mm) above the finish floor and shall be no more than 12 inches (305 mm) from the rear wall. Grab bars shall be at least 40 inches (1015 mm) long or at least 42 inches (1065 mm) long for alternate stalls. Water closet seat heights shall be between 17 inches (430 mm) and 19 inches (485 mm). Toilet paper dispensers shall be below the grab bar and at least 19 inches (485 mm) above the floor and no farther than 36 inches (915 mm) from the rear wall, measured to the far side of the dispensers.