32-72.2   Definitions.
   As used in this chapter, the following words and phrases have the following meanings:
   Alteration means any demolition, exterior change or modification to a historically significant resource or heritage resource or of a contributing property located within an historic district including, but not limited to:
      1.   Exterior changes to or modifications of structure, architectural details or visual characteristics including paint color and surface texture;
      2.   Grading or surface paving;
      3.   Construction of new structures;
      4.   Cutting or removal of trees and other natural features;
      5.   Disturbance of archaeological sites or areas; and
      6.   The placement or removal of any exterior objects including signs, plaques, light fixtures, street furniture, walls, fences, steps, plantings and landscape accessories that affect the exterior visual qualities of the property.
   Architectural feature means the architectural elements embodying style, design, general arrangements and components of the exterior of any building or structure, including, but not limited to, the kind, color and texture of the building materials and the style and type of all windows, doors, lights, signs and other fixtures.
   Certificate of Approval means a certificate issued pursuant to this chapter approving any proposed alteration to a historically significant resource, a heritage resource or a contributing property located within a historic district.
   Contributing property means a building, structure, site, feature or object within an historic district that embodies the significant physical characteristics and features, or adds to the historical associations, historic architectural qualities or archaeological values identified for the historic district, and was present during the period of significance, relates to the documented significance of the property, and possesses historic integrity or is capable of yielding important information about the period.
   Design guidelines means the "Town of Danville Design Guidelines for Heritage Resources" adopted by the Town and as may be amended from time to time.
   Heritage resource means a structure, site, improvement or natural feature that has been designated for heritage preservation pursuant to Section 32-72.6.
   Heritage Resource Commission (HRC) means the Town's Heritage Resource Commission established pursuant to the provisions of this Code.
   Historic Design Review Committee (HDRC) means the advisory committee appointed pursuant to this chapter to review proposed alterations to designated heritage resources. The HDRC shall be composed of five (5) members as follows: the Heritage Resource Commission/Planning Commission liaison, two (2) other Heritage Resource Commission members, one (1) Planning Commission liaison to the Design Review Board and one (1) other Design Review Board member not on the Planning Commission.
   Historic district means any delineated geographic area having a significant number of structures, sites, improvements or natural features of historical significance, special character or aesthetic value which are united historically or aesthetically by plan or physical development, and which has been found by the Town Council to meet the criteria of preservation set forth in subsection 32-72.5 of this section.
   Historically significant resource means a structure, site, improvement or natural feature identified by survey of the Town as being significant to the history and/or development of the Town and that meets the criteria for designation as a heritage resource set forth in subsection 32-72.4.
   Improvement means a structure, parking facility, fence, gate, wall, work of art or other object constituting a physical feature that is not a natural feature.
   Integrity means the ability of a structure, site, improvement or natural feature to convey its significance through the survival of key elements of its original style, scale, materials and detailing.
   Major alteration means a modification to one or more of the following items:
      1.   Additions to a structure;
      2.   Construction of a new structure;
      3.   Exterior building materials other than those defined as minor alterations;
      4.   Grading;
      5.   Natural features designated as a heritage resource;
      6.   Renovation, rehabilitation or restoration of an existing structure.
   Minor alteration means a modification to one or more of the following items:
      1.   Building color;
      2.   Signs;
      3.   Light fixtures;
      4.   Plant materials, landscape, tree removals, hardscape, or paving not including natural features designated as a heritage resource;
      5.   Street furniture;
      6.   Awnings;
      7.   Doors, windows, and chimneys;
      8.   Interior building modifications that affect the exterior appearance of a structure;
      9.   Any other similar alteration to a designated heritage resource deemed appropriate by the Town's Chief of Planning.
   Natural feature means a landform, body of water, tree, significant landscaping feature, geological formation or other object of the native landscape.
   Non-contributing property means a structure, site, improvement or natural feature located within the boundaries of a designated historic district that is not identified as a contributing property within the district.
   Ordinary maintenance or repair means any work, the sole purpose and effect of which is to prevent or correct deterioration, decay or damage, including repair of damage caused by fire or other disaster and which does not result in a change in the historic appearance and materials of a property.
   Owner means the person or entity whose name appears as the owner of real property on the most recent assessment roll of Contra Costa County.
   Planning entitlement means any request for a development plan, subdivision, land use permit or other discretionary permit allowing for physical development of land or change in use of property.
   Preservation means the identification, study, protection, restoration, rehabilitation, reconstruction, relocation or enhancement of buildings, structures, sites, improvements or natural features.
   Register of heritage resources means the list of all structures, sites, improvements or natural features designated as heritage resources by the Town Council pursuant to subsection 32-72.6.
   Site means a parcel or portion of real property.
   Secretary of Interior's Standards for Rehabilitation means the US. Secretary of the Interior's Standards for Rehabilitation of Historic Buildings, issued by the National Parks Service, together with the accompanying Interpretive Guidelines for Rehabilitating Historic Buildings, as they may be amended from time to time.
   State Historical Building Code means the State Historical Building Code adopted by the State of California.
   Structure means any building or anything else constructed or erected that requires a permanent location on the ground.
   Survey of historically significant resources means the list approved by the Town Council that identifies structures, sites (or portions of a site), improvements or natural features that are significant to the history and/or development of the Town and that meet the criteria for designation as a heritage resource pursuant to subsection 32-72.4.
   Town means the Town of Danville. (Ord. # 2001-02, §2)