I developed solutions through looking at key rooms of the gym as well as the ones that get the most traffic such as from the locker room to the weight room, or the main gym to the weight room, the classroom entering the gym, and etc.
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.