Duluth UDC (unnumbered, p.396: Definitions — H)

Hardwood Tree. Any tree that is not coniferous (cone-bearing). This definition is based on the colloquialism and does not necessarily reflect any true qualities of the tree. Hazard tree. A tree or any part thereof, that is at risk for failure and threatens the health, safety, or general welfare of a person(s) or property. Healthy tree. As determined by the City of Duluth Arborist, or other certified Arborist, a tree that is vigorous as indicated by leaf color and annual shoot extension, with a relatively symmetrical form typical of the species, with 1/3 or more of its height in live crown (live crown ratio of 33 percent or more), with roots, trunk, and crown absent of extensive and significant signs of insect or disease infection, wounds, or other mechanical damage, decay and structural defects. For pine trees the live crown ratio may be less than 30 percent and the tree is still otherwise considered healthy. Heated Floor Area. See “Floor Area, Heated.” Heavy Truck. Any vehicle, (except recreational vehicles, vehicles displaying restricted plates, buses used in transportation of chartered parties, and government owned vehicles), used for the transportation of persons for hire or designed, used, or maintained primarily for the transportation of property and that is: 1. A power unit having a gross vehicle weight in excess of 26,000 pounds; 2. A power unit having three or more axles, regardless of weight; or 3. Used in combination, when the weight of such combination exceeds 26,000 pounds gross vehicle weight. Highest Adjacent Grade. The highest natural elevation of the ground surface, prior to construction, adjacent to the proposed foundation of a building. 395 | P a g e Article Fourteen. Interpretation and Definitions Historic District (Small Cell Wireless Facility). (i) Any district, site, building, structure, or object included in, or eligible for inclusion in, the National Register of Historic Places maintained by the secretary of the interior of the United States in accordance with Section VI.D.1.a.i- v of the Nationwide Programmatic Agreement codified by 47 C.F.R. Part 1; (ii) any area designated as a historic district under Article 2 of Chapter 10 of Title 44, the Georgia Historic Preservation Act'; or (iii) any area designated as a historic district or property by law prior to April 26, 2019. Historic Structure. Any structure that is: 1. Listed individually in the National Register of Historic Places (a listing maintained by the U.S. Department of Interior) or preliminarily determined by the secretary of the interior as meeting the requirements for individual listing on the National Register; 2. Certified or preliminarily determined by the secretary of the interior as contributing to the historical significance of a registered historic district or a district preliminarily determined by the secretary to qualify as a registered historic district; 3. Individually listed on a state inventory of historic places and determined as eligible by states with historic preservation programs which have been approved by the secretary of the interior; or 4. Individually listed on a local inventory of historic places and determined as eligible by communities with historic preservation programs that have been certified either: 5. By an approved state program as determined by the secretary of the interior, or 6. Directly by the secretary of the interior in states without approved programs. Holiday or Seasonal Event. A day established as a legal holiday by federal, state or local law; a nationally recognized holiday such as Halloween or Mother’s Day; a nationally recognized calendar season such as Fall or Spring; a religious day or term of days such as Easter, Yom Kippur or Christmas, or Lent, Ramadan or Hanukah. Home Occupation, Small Scale Manufacturing. The making of products on residentially scaled machinery (i.e 3-D printer, household power and hand tools, oven, range, sewing machine, etc.). Hotspot. An area where the use of the land has the potential to generate highly contaminated runoff, with concentrations of pollutants in excess of those typically found in stormwater. Household. An individual living alone or a group of individuals living together in a single dwelling unit, sharing common use of and access to all living and eating areas, bathrooms, and food preparation areas, who mutually combine their efforts and share responsibilities for domestic chores such as child rearing, cleaning and cooking in a permanent and long-term relationship. Hybrid Monument Sign. See under “Freestanding Sign.” Hydrologic Soil Group (HSG). A Natural Resource Conservation Service classification system in which soils are categorized into four runoff potential groups. The groups range from group A soils, with high permeability and little runoff produced, to group D soils, which have low permeability rates and produce much more runoff.