This design is the same for all locker rooms in the pavilion. The showers and toilet/urinals are in the back. Its full of space so there can not be any commotion.
What should I upload in this Develop Solutions step?
Consider uploading images (JPG, GIF) of your rough digital model. It's ok if your model is still a work in progress. Show an axonometric or perspective view with people, which will help others understand the scale of your library.