It’s very important for Architectural drafting and design services to minimize this difference to keep the losses at a bare minimum and maintain their own reputation; that’s why as-built drawings assume a great significance. The AEC industry professionals understand the importance and utility of this type of documentation, even though the clients may not yet realize their full value. As mentioned earlier, a design necessarily undergoes some changes, sometimes quite substantially, due to various factors even after the final drawings are prepared and construction starts; this makes the as-built drawing documentation a necessity.