SRT wrote:
From personal experience the concrete slab should have mesh embedded for extra strength. The slab should be at least 20'x50' with one coarse of concrete blocks around the edges. A 12' wide by 14' high door should allow adequate clearance. The garage should be wired for at least 30 amp and if you can have it plumbed for sewer. I just put in one of those water inlets through the wall to hook the hose up to it. Then a short hose to the MH.
I'd go with a 50 amp connection (100 amps total on both legs.) That way, the 30 amp can be in use, and there is still headroom left over for some power tools or a few space heaters.