NATURAL ELEVATION definition

NATURAL ELEVATION means the elevation of natural grade, or the grade in existence before July 3, 1978.
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NATURAL ELEVATION means the natural surface of the ground, existing prior to alteration by filling, cutting, grading or other changing of the surface in preparation for construction or other use, as evidenced by the sewer topographical map filed with the city clerk’s office in 1963; or for the areas outside the 1963 sanitary sewer service area, by a topographical map (see definition in NPMC
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Related to NATURAL ELEVATION

  • Elevation means the vertical distance of a point or a level, on or affixed to the surface of the earth, measured from mean sea level;

  • Base flood elevation (BFE) means the elevation shown on the Flood Insurance Rate Map for Zones AE, AH, A1-30, VE and V1-V30 that indicates the water surface elevation resulting from a flood that has a 1-percent or greater chance of being equaled or exceeded in any given year.

  • Natural area means an area of the rural or non-urban environment which is in an unspoilt natural state or is of high scenic value, and includes, but is not limited to, national parks, game reserves, nature reserves, marine reserves, wilderness areas, areas of extensive agriculture and scenic areas;

  • Water surface elevation means the height, in relation to the National Geodetic Vertical Datum (NGVD) of 1929, the North American Vertical Datum (NAVD) of 1988, or other datum, where specified, of floods of various magnitudes and frequencies in the floodplains of riverine areas.

  • Base Flood Elevation (BFE) means a determination of the water surface elevations of the base flood as published in the Flood Insurance Study. When the BFE has not been provided in a “Special Flood Hazard Area”, it may be obtained from engineering studies available from a Federal, State, or other source using FEMA approved engineering methodologies. This elevation, when combined with the “Freeboard”, establishes the “Regulatory Flood Protection Elevation”.