He or she will submit design drawings and calculations of the solution, to the building authority for approval and permit. Upon receiving the permit, when you are ready to begin construction, the contractor can then proceed to build-out the structure per the engineer's or architect's specifications. This is the process in California, based upon the state building standards, Title 24. The process in the other states is very similar.
Once you have made most of these macro-decisions that I have mentioned, you will be ready to tackle the micro-decisions that are coming next. As you can see by the examples I have mentioned and the listing of categories above, you have a lot more planning to do, but remember you are now over half way there. Be strong and resolute and I am sure that you will get through the entire process virtually unscathed. And, if you are thoughtful, organized and work in the spirit of mutual cooperation, you will probably have some fun too! Remember that not all of this is on your shoulders. Your professional designer will be by your side for the whole trip.
The place to start when you are designing your dream kitchen is with a dimensional diagram of your kitchen space. On a large piece of graph paper, draw the outline of the kitchen space, including any doors or windows that you will have work around while you design your kitchen. Accurately mark where your plumbing and electrical supplies are located. You can move plumbing and electrical supply points, but this involves more time and money, and it is always easier to accommodate existing service supplies into your design, if practical.
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