Fig. 37(a) 36 inches by 36 inches (915 mm by 915 mm) Stall. The diagram illustrates an L-shaped grab bar that is located along the full depth of the control wall (opposite the seat) and halfway along the back wall. The grab bar shall be mounted between 33 to 36 inches (840-915 mm) above the shower floor. The bottom of the control area shall be a maximum of 38 inches (965 mm) high and the top of the control area shall be a maximum of 48 inches (1220 mm) high. The controls and spray unit shall be within 18 inches (455 mm) of the front of the shower.
Fig. 37(b) 30 inches by 60 inches (760 mm by 1525 mm) Stall. The diagram illustrates a U-shaped grab bar that wraps around the stall. The grab bar shall be between 33 to 36 inches (840-915 mm) high. The controls are placed in an area between 38 inches and 48 inches (965 mm and 1220 mm) above the floor. If the controls are located on the back (long) wall they shall be located 27 inches (685 mm) from the side wall. The shower head and control area may be located on either side wall.