Ok, I'll put on my nerd glasses. This is a discussion I've had over on the Zootopia forum.
* Whether a RZ area down the rail of the catwalk would be the appropriate size.
* Whether there would be a RZ on each side of the catwalk.
* Whether the RZ would run the full length of the catwalk.
Using the San Jose map, I've calculated the percentage of the available floor area that is allocated to GA, & the percentage allocated to RZ (see the diagram below)
For the original RZ layout (A);
* 93% of the area was utilized by GA.
* 7% of the area was utilized by RZ.
For a layout which contains a single RZ running the full length of the catwalk (B);
* 89% of the area was utilized by GA.
* 11% of the area was utilized by RZ.
For a layout which contains a single RZ running the partial length of the catwalk, with GA/RZ area percentages corresponding to the original layout (C)
Looking at the above diagram, I would conclude that;
* RZ would only be on one side of the catwalk (RZ's running the full length of the catwalk on both sides would constitute an area of 22% of the total floor area, way too much!).
* If a single RZ runs the entire length of the catwalk, it would constitute a 50% increase in size over the original RZ layout.
* A RZ adjacent to the catwalk would only run partly along it's length if it was to be the same area as the RZ's on the original plan.
ps. for both the catwalk RZ's above, I'd imagine access would be from beside the e-stage (limiting GA's access to this rail on one side of the stage.
Don't lose your minds people!