Unified Development Ordinance, 4th supplement, September 2017

Part 10A: Unified Development Ordinance City of Raleigh, North Carolina 12 – 6 Effective Date: September 01, 2013 Supp. No. 2 CHAPTER 12. DEFINITIONS | Article 12.2. Defined Terms E Diameter at Breast Height (DBH) The diameter of the trunk of a single-trunk tree measured at 4½ feet (breast height) above grade level or the total diameter of all stems of a multi-trunk tree measured at 4½ feet above grade. Discharge Point That point at which runoff leaves a tract of land. Display Area An outdoor open air area where merchandise is stored throughout the day and night and this same stored merchandise is sold or leased, not including the display area for any motor vehicle, trailer or semi-trailer (see vehicular display area). Drainage Basin Study Maps Flood hazard boundary maps adopted by the City. Floodplain areas and the base flood elevations shown on drainage basin study maps are based on future conditions hydrology. Dwelling Unit A building or portion of a building providing complete and permanent living facilities, including cooking and bathing facilities. e Elevated Building An above-ground building built to have the top of the elevated floor above the ground by means of pilings, columns (posts and piers), shear walls parallel to the flow of water; and adequately anchored so as not to impair the structural integrity of the building during a flood up to the magnitude of the base flood. Elevated building also includes a building elevated by means of fill or solid foundation perimeter walls with openings sufficient to facilitate the unimpeded movement of floodwaters. Energy Dissipator An adequate erosion control measure placed at the outlets of storm drainage facilities or at other points as specified by this chapter to receive and breakdown the energy from high velocity flow. Ephemeral (Stormwater) Stream A feature that carries only stormwater in direct response to precipitation with waters flowing only during and shortly after large precipitation events. An ephemeral streammay or may not have a well-defined channel, the aquatic bed is always above the water table and stormwater runoff is the primary source of water. An ephemeral stream typically lacks the biological, hydrological and physical characteristics commonly associated with the continuous or intermittent conveyance of water. Erosion The wearing away of the land surface by the action of wind, water, gravity or any combination thereof. Exterior Features Important landscape and natural features, significant archaeological features, architectural style, general design and general arrangement of the exterior of a building or other structure, including the kind and texture of the building material, the size, color and scale of the building and the type, color, style of all windows, doors, light fixtures, signs and other appurtenant fixtures. In the case of outdoor signs, exterior features shall be construed to mean style, material, size, color and location of all such signs. f Face of Sign (Sign Face) The entire surface area of a sign upon, against or through which copy is placed. Flashing Sign Any sign which contains an intermittent, blinking, scintillating or flashing light source or which includes the illusion of intermittent or flashing light or an externally mounted intermittent light source. Flood or Flooding The general and temporary condition of partial or complete inundation of normally dry land areas from the overflow of streams, rivers or other inland water.

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