I plan to build a home with a large 12 foot tall rebar and steel beem reinforced concrete wall. On the wall tops, razorwire and outward points peaks (like a prison). There will be two gates in the wall (iron doors) and those doors will only lead into confinement areas (think a room with ports for weapons to shoot into the room). From those confinement areas, there would be another iron gate into the inner area.
The inner compound will be made up of several living units (seperate kitchens, bathrooms and sleeping quarters). Each unit will have seperate electrical wiring (with power coming from solar panels on the roof of the unit) and will be spaced apart from other units to prevent a fire from destroying everything.
There will be greenhouse units as well, and several wells (which will be manually operated and will be deep so as to avoid entry into the wells from underneath). In addition to wells, we will also have rain water collection.
We will, when the attack begins, become vegitarians to avoid contact with any living creatures.
Weapons will be stockpiled, including flamethrowers (with fuel), swords, axes, and guns.
There is a lot more, but I am tired of typing.
Actually, I think if I saw Zombies, I would start looking around for Ashton.