Impact surface means an interior or exterior surface that is subject to damage by repeated sudden force such as certain parts of door frames.
Slope means the inclination of a surface expressed as one unit of rise or fall for so many horizontal units;
Land means the land described in Exhibit A.
Land surveyor means a person who, by reason of his knowledge of the several sciences and of the principles of land surveying, and of the planning and design of land developments acquired by practical experience and formal education, is qualified to engage in the practice of land surveying, and whose competence has been attested by the Board through licensure as a land surveyor.
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.