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17-12 residential development - standards for- the proposal, legal description of the property, fill floodfringe in s. 17.39(1). limits and elevations, building floor elevations and flood proofing measures. [17.40 reserved for future use.] (2) Require the applicant to furnish. any of the following additional information as is deemed SUBCHAPTER IV necessary by the department for evaluation of the GENERAL FLOODPLAIN DISTRICT(GFP) effects of the proposal upon flood height and flood flows, the regional flood elevation and, where 17.41 APPLICABILITY. The provisions for this applicable, to determine the boundaries of the district shall apply to all floodplains for which floodway: regional flood20 data is not available, or where (a) A typical valley cross-section showing the regional flood data is available but floodways have channel of the stream, the floodplain adjoining. not been delineated. As adequate regional flood each side of the channel, the cross-sectional area to data becomes available and floodways are be occupied by the proposed development, and all delineated for portions of this district, such historic high water information. portions shall be designated in the floodfringe (b) Plan (surface view) showing elevations or district or floodway district, as appropriate. contours of the ground; pertinent structure, fill or storage elevations; size, location and spatial 17.42 PERMITTED USES. (1) The general arrangement of all proposed and existing structures floodplain district encompasses both floodway and on the site; location and elevations of streets, water floodfringe areas. Therefore, a determination shall supply and sanitary facilities; soil types and other be made pursuant to s. 17.44 to determine whether pertinent information. the proposed use is located within a floodway or (c) Profile showing the slope of the bottom of the floodfringe area. channel or flow line of the stream. (2) Those uses permitted in floodways (s. 17.32) (d) Specifications for building construction and and floodfringe areas (s. 17.38) are allowed within materials, flood proofing, filling, dredging, channel the general floodplain district, according to the improvement, storage of materials, water supply standards of s. 17.43, and provided that all permits and sanitary facilities. _ or certificates required under s. 17.61 have been (3) Transmit one copy of the information issued. described in subs. (1) and (2) to the department district office along with a written request for 17.43 STANDARDS FOR DEVELOPMENT IN THE technical assistance to establish regional flood GENERAL FLOODPLAIN DISTRICT. Once it is elevations and, where applicable, floodway data. determined according to s. 17.44 that a proposed Where the provisions of s. 17.61(2)(d) apply, the use is located within a floodway, the provisions of applicant shall provide all required information ss. 17.31-17.34 shall apply. Once determined that and computations to delineate floodway the proposed use is located within the floodfringe, boundaries and the effects of the project on flood the provisions of subchap. 17.37-17.39 shall apply. elevations. All provisions of the remainder of this ordinance apply to either district. [17.45- 17.50 reserved for future use.] 17.44 DETERMINING FLOODWAY AND FLOODFRINGE LIMITS. (INTRO.) Upon receiving SUBCHAPTER V an application for development within the general NONCONFORMING USES floodplain district, the zoning administrator shall: (1) Require the applicant to submit, at the time of 17.51 GENERAL APPLICABILITY. (1) Insofar as application, two copies of an aerial photograph, or the standards in this section are not inconsistent a plan which accurately locates the proposed with the provisions of s. 59.97(10), Stats., they development with respect to the general floodplain shall apply to all nonconforming uses and district limits, channel of stream, existing nonconforming structures. These regulations apply floodplain developments, together with all to the modification of, or addition to, any structure pertinent information such as the nature of the and to the use of any structure or premises which 20 See 17.05(48). rev. 043095