The base plane or floor of an outdoor space supports all activities and site elements in the outdoor environment. It is the plane on which people walk, run, sit, work, recreate,
oerhecd Plans Ground Plans vertical plan©
and play. As such, the base plane receives the most direct use and wear. Areas of a site that endure intense or concentrated use are typically covered with a hard surface such as pavement, whereas other areas that receive infrequent use are most often covered with a soft surface such as lawn, ground cover, or mulch. Significantly, the base plane is the primary plane on which the designer organizes the proposed design. The organization of uses (or functions) in residential design is determined directly on the base plane. It is important to understand that good design starts with function, and functional organization begins on the base plane.