ORD-2005-127 - Ordinance Amending the County Flood Damage Prevention Ordinance

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Addition (to an existing building) means an extension or increase in the floor area or height of a building or structure, including adding new plumbing, electrical, or HVAC systems. Appeal means a request from a review of the Floodplain Administrator's interpretation of any provision of this Ordinance by the Board of Adjustment. Area of shallow flooding means a designated AO or AH Zone on a Orange County's Flood Insurance Rate Map (FIRM) with base flood depths determined to be from one (1) to three (3) feet. These areas are located where a clearly defined channel does not exist, where the path of flooding is unpredictable and indeterminate, and where velocity flows may be evident. Such flooding is characterized by sheet flow or ponding. Area of special flood hazard see "Special Flood Hazard Area (SFHA)" Base flood means the flood having a one (1 %) percent chance of being equaled or exceeded in any given year. It is often referred to as the 100 -year flood. Base flood elevation (BFE) means a determination as published in the Flood Insurance Study of the water surface elevations of the base flood. sides. Basement means any area of the building having its floor sub grade (below ground level) on all Building see "Structure ". Chemical storage facility means a building, portion of a building, or exterior area adjacent to a building used for the storage of any chemical or chemically reactive products. . Development means any constructed change to improved or unimproved real estate, including, but not limited to, buildings or other structures, mining, dredging, filling, grading, paving, excavation or drilling operations, or storage of equipment or materials. Disposal defined as in NCGS 130A- 290(a)(6). Elevated Building means a non - basement building, which has its reference level raised above ground level by foundation walls, shear walls, posts, piers, pilings, or columns with openings sufficient to facilitate automatic equalization of hydrostatic flood forces on exterior walls by allowing entry and exit of floodwaters and the unimpeded movement of floodwaters. Encroachment means the advance or infringement of uses, fill, excavation, buildings, permanent structures or development into a floodplain, which may impede or alter the flow capacity of a floodplain. Existing Construction means structures for which the "start of construction" commenced before March 16, 1981. This term may also be referred to as "existing structures." Existing manufactured home park or manufactured home subdivision means a manufactured home park or subdivision for which the construction of facilities for servicing the lots on which the manufactured homes are to be affixed (including, at a minimum, the installation of utilities, the