SECTION 10.20 HISTORIC PRESERVATION OVERLAY (HP-O) ZONE.
   A.   Purpose: to preserve the structures, buildings appurtenances, and places which are basic and of vital importance for the development of culture, because of their association with history, because of their unique architectural style and scale including color, proportions, form and architectural details; or because of their being a part of or related to a square, park or area of cultural, historical, or architectural importance to the city. This section is also intended to complement Chapter 156.
   B.   Permitted uses: any principal permitted uses allowed in the underlying zone and that do not destroy or alter the exterior architectural features of the building or structure in accordance with the purpose of this zone are permitted.
   C.   Conditional uses: any permitted accessory uses allowed in the underlying zone that do not destroy or alter the exterior architectural features of the building or structure in accordance with the purpose of this zone are permitted.
   D.   Accessory uses: any permitted accessory uses allowed in the underlying zone and that do not destroy or alter the exterior architectural features of the building or structure in accordance with the purpose of this zone are permitted.
   E.   Area, height and yard requirements: per the underlying zone.
   F.   Other developmental controls:
      1.   No exterior alterations that are visible to the public, new construction, demolition or relocation shall be permitted unless a certificate of appropriateness is obtained first.
      2.   Off-street parking and loading or unloading areas. Per the underlying zone.
      3.   No outdoor storage of any material (usable or waste) shall be permitted in this zone except within enclosed containers.
      4.   No lighting shall be permitted which would glare from this zone onto any street or into any adjacent property.
(Ord. 2017-6, passed 4-4-17)