Supplemental definitions for designated floodplain
district provisions. The following are special definitions which shall
be used in making reasonable interpretations of the provisions contained
in this article:
COMPLETELY DRY SPACE
A space which will remain totally dry during flooding; the
structure is designed and constructed to prevent the passage of water
and water vapor.
CONSTRUCTION
The construction, reconstruction, renovation, repair, extension,
expansion, alteration or relocation of a building or structure, including
the placement of mobile homes.
DESIGNATED FLOODPLAIN DISTRICTS
Those floodplain districts specifically designated in Chapter
275, Zoning. Included would be areas identified as Floodway (F1), One-Hundred-Year Floodplain (F2), Five-Hundred-Year Floodplain (F3) and Soils Subject to Flooding Subdistrict (F4).
DESIGNATED FLOODWAY DISTRICT OR AREA
The channel of a river or other watercourse and the adjacent land areas required to carry and discharge a flood of the one-hundred-year magnitude as specifically defined in Chapter
275, Zoning.
DEVELOPMENT
Any man-made change to improved or unimproved real estate,
including but not limited to buildings or other structures, the placement
of mobile homes, streets and other paving, utilities, mining, dredging,
filling, grading, excavation or drilling operations and the subdivision
of land.
ESSENTIALLY DRY SPACE
A space which will remain dry during flooding except for
the passage of some water vapor or minor seepage; the structure is
substantially impermeable to the passage of water.
FLOODPROOFING
Any combination of structural and nonstructural additions,
changes or adjustments to structures which reduce or eliminate flood
damage to real estate or improved property, water and sanitary facilities,
structures and their contents.
OBSTRUCTIONS
Any wall, dam, wharf, embankment, levee, dike, pile, abutment,
projection, excavation, channel, rectification, culvert, building,
fence, stockpile, refuse, fill, structure or matter in, along, across
or projecting into any channel, watercourse or designated floodplain
district, which may impede, retard or change the direction of the
flow of water either in itself or by catching or collecting debris
carried by such water or is placed where the flow of water might carry
the same downstream to the damage of life and property.
ONE-HUNDRED-YEAR FLOOD
A flood that on the average, is likely to occur once every
100 years; a flood having a 1% chance of being equaled or exceeded
in a given year.