A minimum space of 24 inches must be planned in front of a shower entry.
Commercial bathroom size code.
Code for the doorway opening to the bathroom is 32 inches with 34 inches being.
The first size consideration to make when designing a bathroom is the entry and the amount of clear space required.
The walls or partitions shall begin at a height not more than 12 inches 305 mm from and extend not less than 60 inches 1524 mm above the finished floor surface.