Architect, architect, ARCHITECT! It's a big investment to do an addition. Don't skimp on a having a well-created road map. The more detailed the info is, the less room there is for your contractor to make it up. Then write your contract so that the GC has to follow the specs in the architects drawings.
In Japan, the chrysanthemum is a symbol of the Emperor and the Imperial family. In particular, a chrysanthemum crest (èè±ç´ç« , kikukamonshÅ or kikkamonshÅ), i.e. a mon of chrysanthemum blossom design, indicates a link to the Emperor; there are more than 150 patterns of this design.
The chrysanthemum was first cultivated in China as a flowering herb and is described in writings as early as the 15th Century B.C. In fact, their pottery depicted the chrysanthemum much as we know it today. As an herb, it was believed to have the power of life.