For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
DEVELOPMENT. Any man-made change to real estate, including but not limited to construction or reconstruction of buildings, installing manufactured homes or travel trailers, installing utilities, construction of roads or bridges, erection of levees, walls or fences, drilling, mining, filling, dredging and storage of materials.
FLOOD. A general and temporary condition of partial or complete inundation of normally dry land areas from the overflow, the unusual and rapid accumulation or the runoff of surface water from any source.
FLOODPLAIN. Any land area susceptible to being inundated by water from any source. See FLOOD.
FLOODPROOFING. Any combination of structural and nonstructural additions, changes or adjustments to structures which reduce or eliminate flood damage to real estate or improved real property, water and sanitary facilities, structures and their contents.
MANUFACTURED HOME. A structure transportable in one or more sections, that is built on a permanent chassis and is designed to be used with or without a permanent foundation when connected to required utilities.
STRUCTURE. For floodplain management purposes, a walled and roofed building, including gas or liquid storage tanks, that is principally above ground. The term includes RVs and travel trailers on site for more than 180 days.
SUBSTANTIAL IMPROVEMENTS.
(1) Any repair, reconstruction or improvement of a structure, the cost of which equals or exceeds 50% of the market value of the structure either:
(a) Before the improvement or repair is started; or
(b) If the structure has been damaged, and is being restored, before the damage occurred.
(2) For the purpose of definition,
SUBSTANTIAL IMPROVEMENT is considered to occur when the first alteration of any wall, ceiling, floor or other structural part of the building commences, whether or not that alteration affects the external dimensions of the structure. The term does not, however, include either:
(a) Any improvement of a structure to comply with existing state or local health, sanitary or safety code specifications which are solely necessary to assure safe living conditions; or
(b) Any alteration of a structure listed on the National Register of Historic Places or the Illinois Register of Historic Places.
(Ord. 96-21, passed 8-12-96)