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49 3. Control the alteration of natural floodplains, stream channels, and natural protective barriers which are involved in the accommodation of flood waters; 4. Control filling, grading, dredging and other development which may increase erosion or flood damage, and; 5. Prevent or regulate the construction of flood barriers which will unnaturally divert flood waters or which may increase flood hazards to other lands. SECTION D. OBJECTIVES. The objectives of this ordinance are: 1. To protect human life and health; 2. To minimize expenditure of public money for costly flood control projects; 3. To minimize the need for rescue and relief efforts associated with flooding and generally undertaken at the expense of the general public; 4. To minimize prolonged business interruptions; 5. To minimize damage to public facilities and utilities such as water and gas mains, electric, telephone and sewer lines, streets and bridges located in floodplains; 6. To help maintain a stable tax base by providing for the sound use and development of flood prone areas in such a manner as to minimize flood blight areas, and; 7. To insure that potential home buyers are notified that property is in a flood area. ARTICLE 2. DEFINITIONS Unless specifically defined below, words or phases used in this ordinance shall be interpreted so as to give them the meaning they have in common usage and to give this ordinance its most reasonable application. -Addition (to an existing building) means any walled and roofed expansion to the perimeter of a building in which the addition is connected by a common load-bearing wall other than a fire wall. Any walled and roofed addition which is connected by a fire wall or is separated by independent perimeter load-bearing walls is new construction. -Appeal means a request for a review of the administrator's interpretation of any provision of this ordinance or a request for a variance. -Area of special flood hazard is the land in the floodplain within a community subject to a one percent or greater chance of flooding in any given year. -Base flood means the flood having a one percent chance of being equaled or exceeded in any given year. -Basement means that portion of a building having its floor subgrade (below ground level) on all sides. -Breakaway wall means a wall that is not part of the structural support of the building and is intended through its design and construction to collapse under specific lateral loading forces without causing damage to the elevated portion of the building or the supporting foundation system. -Building means any structure built for support, shelter, or enclosure for any occupancy or storage. -Development means any man-made change to improved or unimproved real estate, including, but not limited to, buildings or other structures, mining, dredging, filling, grading, paving, excavating, drilling operations, or permanent storage of materials. -Elevated building means a non-basement building built to have the lowest floor elevated above the ground level by means of fill, solid foundation perimeter wall, pilings, columns (posts and piers), shear walls, or breakaway walls. -Flood or flooding means a general and temporary condition of partial or complete inundation of normally dry land areas from: 1. The overflow of inland or tidal waters; 2. The unusual and rapid accumulation or runoff of surface waters from any source. -Flood Hazard Boundary Map (FHBM) means an official map of a community, issued by the Federal Emergency Management Agency, where the boundaries of the areas of special flood hazard have been defined as Zone A.