The best way to avoid overcrowding is to provide lots of space. I know that at places like Celtic and Shrewsbury the standing fans have a lot more space along the rows than they used to have with the normal seats, so hopefully the space along the rows will go up at AG too. That in turn should enable a more relaxed approach to where people stand, as the main worry of the SAG / stadium stewards is fans not finding a space and standing in the aisles. The worst case scenario would be