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e. Mining, dredging, filling, grading, <br /> excavation, or drilling operations; <br /> f. Construction and/or reconstruction of <br /> bridges or culverts; <br /> g. Storage of materials; or <br /> h. Any other activity that might change the <br /> direction, height, or velocity of flood or surface waters. <br /> Development does not include activities such as <br /> the maintenance of existing buildings and facilities such <br /> as painting, re-roofing; resurfacing roads; or gardening, <br /> plowing, and similar agricultural practices that do not <br /> involve filling, grading, excavation, or the construction <br /> of permanent buildings. <br /> (2) Expansion of a manufactured home or mobile home <br /> park or subdivision means the preparation of additional <br /> sites by the construction of facilities for servicing the <br /> lots on which the manufactured homes or mobile homes are <br /> to be affixed, including the installation of utilities, <br /> the construction of streets, and either final site grading <br /> or the pouring of concrete pads. <br /> (3) Flood means a general and temporary condition of <br /> partial or complete inundation of normally dry land areas <br /> from the overflow, the unusual and rapid accumulation, or <br /> the runoff of surface waters from any source. <br /> (4) Floodplain means the channel proper and the <br /> areas adjoining any wetland, lake or watercourse which <br /> have been or hereafter may be covered by the regulatory <br /> flood. The floodplain includes both the floodway and the <br /> floodway fringe districts. <br /> (5) Flood Protection Grade means the elevation of <br /> the regulatory flood plus two feet at any given location <br /> in the Special Flood Hazard Area. <br /> (6) Lowest Floor means the lowest of the following: <br /> a. The basement floor; <br /> b. The garage floor, if the garage is the <br /> lowest level of the building; <br /> c. The first floor of buildings elevated on <br /> pilings or constructed on a crawl space with permanent <br /> openings; or <br /> d. The floor level of any enclosure below an <br /> elevated building where the walls of the enclosure provide <br /> any resistance to the flow of flood waters unless: <br /> 1. The walls are designed to automatically <br /> equalize the hydrostatic flood forces on the walls by <br /> allowing for the entry and exit of flood waters, through <br /> providing a minimum of two openings, in addition to <br /> doorways and windows, having a total area of one (1) <br /> square foot for every two (2) square feet of enclosed <br /> floor area subject to flooding. The bottom of all such <br /> openings shall be no higher than one (1) foot above the <br /> enclosed area's flan_ <br />