This article is about the brick oven I made in my back yard. There are lots of similar articles on the interwebs, but I decided to post mine anyway. There are a lot of variations, so my oven may be informative to others who are designing their own oven.
Just to be clear, this is a black oven. The fire is burned on the hearth. Before cooking, you have to move the coals to the back of the oven (for pizza) or sweep them completely out.
Mr. Wikipedia says:
Step 1: Foundation
There are basically 2 methods for making a foundation: slab or footings. I used a slab because I felt that the weight and geometry of the oven did not require footings. A house, which weighs much more and is distributed over a much larger area, requires footings. Variation in soil type and moisture level in the soil at different locations around a foundation are more likely to occur for buildings that have a large footprint. This little oven is light and compact in comparison and does not need such an elaborate or expensive foundation.