Provided with such temporary or permanent transitional features, buffers or protective areas as are necessary to prevent damage or detriment to adjoining properties or to any completed section or stage. In addition, such temporary or permanent transitional features, buffers or protective areas shall not impede development of future sections or stages in the planned development. Plans, estimated dates of completion for each section or stage and specifications of such sections or stages are to be filed with the Board, which must be of sufficient detail and of such scale as to fully demonstrate the arrangement and site locations of all structures, primary and accessory land uses, parking, landscaping, public and private utilities and services facilities and land ownership conditions.