Figure 35(a) 36 in by 36 inches (915 mm by 915 mm) Stall (Transfer Shower with seat). The clear floor space alongside the opening to the shower shall be a minimum of 48 inches (1220 mm) in length by a minimum of 36 inches (915 mm) in width and allow for a parallel approach. The clear floor space shall extend 12 inches (305 mm) beyond the shower wall on which the seat is mounted.