Single-family shower compartments or stalls shall have at least 1,024 square inches (6606 cm
2
) outside dimension (O.D.) floor area and shall be at least 32 inches (813 mm) in shortest outside dimension. All other shower compartments or stalls shall have no less than 1,296 square inches (3292 cm
2
) outside dimension floor area and shall be at least 32 inches (813 mm) in shortest outside dimension.