Unified Development Ordinance, 31st Supplement, May 2024

Article 12.2. Defined Terms | CHAPTER 12. DEFINITIONS

maps and floodway maps for the City and extraterritorial jurisdiction of the City.

floodproof class (W2).

Floodway That portion of channels of streams and areas of land adjacent thereto within the City and its extraterritorial jurisdiction necessary to carry and discharge the waters of the base flood without increasing the water surface elevation of that flood more than 1 foot at any point, and those areas illustrated on the maps referred to in the definition of flood hazard boundary map, and those areas adjoining watercourses draining 1 square mile or more of watershed which lie within the outermost boundaries of either the flood hazard soils or the made land which traverse such soils lying along said watercourses, and those areas required by this UDO to be delineated as flood storage areas or are delineated as a special flood hazard areas on the drainage basin study maps. Floodway Fringe That portion of the special flood hazard area outside the floodway and illustrated on the map referred to in the definition of flood hazard boundary map above. The floodway fringe for watercourses not defined on maps referred to in the definition of flood hazard boundary map above are herein defined for those areas adjoining watercourses draining less than 1 square mile of watershed as the flood hazard soils plus 2 additional vertical feet from the outermost boundaries of either said soils or the made land which traverse such soils lying along said watercourses and the floodway fringe for those areas adjoining watercourses 1 square mile or more is defined as lands which lie 5 vertical feet from the outermost boundaries of either the flood hazard soils or the made land which traverse such soils lying along the watercourse. Footcandle (FC) A quantitative unit measuring the amount of light cast onto a given point, measured as 1 lumen per square foot. Forest Management A woodland area where all of the following occur: 1. The growing of trees; 2. The harvesting of timber, leaves or seeds; 3. The regeneration of trees by the replanting of trees at the rate of 1 inch caliper per every 100 square feet of tree disturbing activity area within 220 days of harvesting; and 4. The application of “best management practices,” including the NC Department

These maps and other data are hereby incorporated herein by reference and duly made a part of this UDO. The most recent maps and data officially approved by the City Council are identified in the evidence of the City Council’s action and are kept on file in Engineering Services for public inspection. Flood Insurance Study An examination, evaluation and determination of flood hazards, corresponding water surface elevations (if appropriate), flood hazard risk zones and other flood data in a community issued by the Federal Emergency Management Agency. The flood insurance study report includes flood insurance rate maps (FIRM). Flood Lamp A form of lighting designed to direct its output in a specific direction with a reflector formed from the glass envelope of the lamp itself. Such lamps are so designated by the manufacturers and are typically used in residential outdoor area lighting. Flood Light A form of lighting designed to direct its output in a diffuse, more or less specific direction, with reflecting or refracting elements located external to the lamp. Floodplain Administrator The individual appointed to administer and enforce special flood hazard area regulations Floodplain, Floodprone or Flood Hazard Area The maximum area, adjoining a river, stream, watercourse or lake which is likely to be flooded, by the base flood or the future conditions flood. The flood -plain, -prone and/or -hazard area includes “floodway” areas, “floodway fringe” areas and future conditions flood hazard areas. These areas are illustrated on flood hazard boundary maps, flood hazard soils plus additional distances, recorded flood storage areas required by this UDO and drainage basin study maps. Floodproofing Any combination of structural and nonstructural features, additions, changes or adjustments to properties and structures in accordance with or comparable to guidelines set forth in “Floodproofing Regulations” June 1972 edition, published by the Office of the Chief Engineers U.S. Army, Washington, D.C. for an essentially dry

12 – 9 Published May 2024

Part 10: Unified Development Ordinance City of Raleigh, North Carolina

Supp. No. 31