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Chapter 17
<br /> ground, stream bed or lake bed, including, but not (53) WATERSHED: The entire region or area •
<br /> limited to,roofed and walled buildings, gas or liquid contributing runoff or surface water to a particular
<br /> storage tanks,bridges,dams and culverts. watercourse or
<br /> g g body of water.
<br /> (50) SUBSTANTIAL IMPROVEMENT: Any (54) WATER SURFACE PROFILE: A graphical
<br /> structural repair, reconstruction, or improvement of representation showing the elevation of the water
<br /> a structure, the cost of which equals or exceeds fifty surface of a watercourse for each position along a
<br /> percent (50%) of the present equalized assessed reach of river or stream at a certain flood flow. A
<br /> ,: value of the structure either before the improvement water surface profile of the regional flood is used in
<br /> or repair is started, or if the structure has been regulating floodplain areas.
<br /> damaged, and is being restored, before the damage (55) WELL: An excavation opening in the ground
<br /> occurred. The term does not, however, include any made by digging, boring, drilling, driving or other
<br /> ( of the following: methods, to obtain groundwater regardless of its
<br /> (a) Any project for improvement of a intended use.
<br /> structure to comply with existing state or local
<br /> r health, sanitary, or safety code specifications which [17.06-17.09 reserved for future use.]
<br /> existed before the improvement began,was identified
<br /> by a county official and which is necessary to assure SUBCHAPTER I
<br /> safe living condition; GENERAL PROVISIONS
<br /> (b) Any alteration of a designated historic
<br /> structure7 or site documented as deserving 17.10 AREAS TO BE REGULATED. Areas
<br /> preservation by the Wisconsin State Historical regulated by this ordinance include all areas within.
<br /> Society,or listed on the National Register of Historic the limits of the county that would be covered by the'
<br /> Places provided the alteration will not preclude the regional flood and include floodplain islands
<br /> structure's continued designation as an historic designated on the official map where emergency
<br /> structure;8 rescue and relief routes would be inundated by the
<br /> (c) Ordinary maintenance repairs are not regional flood.
<br /> considered structural repairs, modifications or 17.11 OFFICIAL MAP. (intro.) The boundaries
<br /> additions. Such ordinary maintenance repairs of the floodplain districts, including the floodway,
<br /> include internal and external painting, decorating, floodfringe, and other floodplain districts, are those
<br /> paneling, and the replacement of doors, windows, areas designated as floodplains or A-Zones on the
<br /> and other nonstructural components. "Substantial maps listed below and the revisions in the Dane
<br /> improvement"begins when the first alteration of any County Floodplain Appendix at the end of this
<br /> wall, ceiling, floor, or other structural part of the ordinance. These official maps and revisions are on
<br /> building commences, whether or not that alteration file in the office of the Zoning Administrator, Dane
<br /> F affects the external dimensions of the structure. County. If more than one map or revision is
<br /> (51) UNNECESSARY HARDSHIP: Where special referenced, the most current approved information
<br /> conditions affecting a particular property, which shall apply.
<br /> were not self-created, have made strict conformity (1) Flood insurance Rate Maps (FIRM), panel
<br /> with restrictions governing areas, setbacks,frontage, numbers 0050A, O100A, 0300A, 0325A, 0375A,
<br /> height or density unnecessarily burdensome or 0400A, 425A, 0475A, 0500A, dated September 28,
<br /> unreasonable in light of the purposes of the 1978;panel numbers 0025C, 0075C, 0150C, 0175C,
<br /> ordinance. 0200C, 0275C, dated August 19, 1987; panel
<br /> (52) VARIANCE:An authorization by the board of numbers 0350B, 0450B, dated June 16, 1993.
<br /> adjustment for the construction or maintenance of a Annotated FIRM Maps, panel numbers 0125, 0225,
<br /> building or structure in a manner which is 0250,dated January 24, 1990.
<br /> inconsistent with dimensional standards (not uses) (2) Floodway Maps, panel numbers 0025, 0075,
<br /> contained in the floodplain zoning ordinance. 0150, 0175, 0200, dated Augsut 19, 1987.
<br /> Annotated floodway maps, panel numbers 0125,
<br /> 0225,0250,dated Janaury 24, 1990.
<br /> (3) Annotated flood profiles for Black Earth Creek,
<br /> 7See e. 17.05(33) for the definition of historic dated January 24, 1990. Corresponding flood
<br /> structure. profiles published in the Dane County Flood
<br /> Insurance Study,dated June 16, 1993.
<br /> 8Annotation: As set forth in rev. federal rule, (4) The map which is a composite of the panels and
<br /> Oct.ano• profiles set forth in subs. (1) through (3) above, is
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