Demolition of the present stands will commence first, obviously.

How about a webcam being placed in the press box to be activated when work is done on the other side of the field? It would be a nice touch for the fans to see the progress of the new construction.
I say use some explosives to do the job. Easier, quick, cheaper. Bring in the Army demolition team. Hell, if they can blow up bridges, what is a little football stand? OK, a little dust maybe but that's it.
