Big coop and big run. I understand about covering wire being a hassle. What I found out, the hard way, is that tree cover keeps hawks away while the trees are leafing. But in Winter, when the tress are bare, in come the hawks.
It wold be better to have more ventilation but this is a good article on describing how to build this coop. I alos like the idea that the coop itself is on wheels but it is not built like the traditional tractor.