Figure 57(b) A folding seat, mounted adjacent to the entry to the shower, is provided in a 36 in by 60 inches (915 mm by 1220 mm) minimum roll-in shower stall. The width of the stall opening shall be a minimum of 36 inches (915 mm) clear located on a long wall at the opposite end of the shower from the controls. The shower seat shall be 24 inches (610 mm) minimum in length by 16 inches (330 mm) minimum in width and may be rectangular in shape. The seat shall be located next to the opening to the shower and adjacent to the end wall containing the shower head and controls.