5.10.1.   PURPOSE
   Preserving and enhancing Tucson’s established neighborhoods is critical to conserving the cultural and historic heritage of the . The purposes of the Neighborhood Preservation (NPZ) are:
   A.   To provide a process for the establishment of NPZ districts to preserve, protect and enhance the unique character and historical resources of established neighborhoods; and,
   B.   To provide for the creation and establishment of a neighborhood-specific design manual for each NPZ district, containing architectural and design standards and guidelines to ensure that is with the overall, as well as with the character of the applicable .