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Chapter 17 • <br /> rebuilt unless the use and the structure meet the (2) Where compliance with the provisions of sub. <br /> requirements of this ordinance. For the purpose of (1) would result in unnecessary hardship, and only <br /> this subsection, restoration is deemed impractical where the structure will not be used for human <br /> where the total cost of such restoration would exceed habitation or be associated with a high flood damage <br /> 50% of the present equalized assessed value of the potential, the board of adjustment, using the <br /> structure. procedures established in s. 17.63, may grant a <br /> variance from those provisions of sub. (1) for <br /> 17.52 FLOODWAY AREAS. (1) No modification modifications or additions using the criteria listed <br /> or addition shall be allowed to any nonconforming below. Modifications or additions which are <br /> structure or any structure with a nonconforming use protected to elevations lower than the flood <br /> in a floodway area, unless such modification or protection elevation may be permitted provided: <br /> addition: (a) No floor is allowed below the regional <br /> - (a) Has been granted a permit or variance flood elevation for residential or commercial <br /> which meets the floodway requirements of this structures; <br /> ordinance;and (b) Human lives are not endangered; <br /> __ (b) Meets the requirements of s. 17.51;and (c) Public facilities, such as water or sewer, <br /> ; (c) Will not increase the obstruction to flood will not be installed; <br /> flows or regional flood height;and (d) Flood depths will not exceed two feet; <br /> (d) Any addition to the existing structure (e) Flood velocities will not exceed two feet <br /> ' shall be floodproofed,pursuant to s. 17.65,by means per second;and <br /> other than the use of fill, to the flood protection (1) The structure will not be used for storage <br /> elevation. of materials described in s. 17.39(5). <br /> (2) No new on-site sewage disposal system, or (3) If neither the provisions of subs. (1) nor (2) <br /> addition to an existing on-site sewage disposal above can be met,an addition to an existing room in a <br /> system,except where an addition has been ordered by nonconforming building or a building with a <br /> a government agency to correct a hazard to public nonconforming use may be allowed in the floodfringe <br /> health, shall be allowed in a floodway area. Any on a one-time basis only,if the addition: <br /> replacement,repair or maintenance of an existing on- (a) Meets all other regulations and will be <br /> site sewage disposal system in a floodway area shall granted by permit or variance; <br /> meet the applicable requirements of all county (b) Does not exceed 60 square feet in area; <br /> ordinances and ch.ILHR 83,Wis.Adm.Code. and <br /> (3) No new well or modification to an existing well, (c) In combination with other previous <br /> used to obtain water for ultimate human consumption, modifications or additions to the building, does not <br /> shall be allowed in a floodway area. Any exceed 50% of the present equalized assessed value <br /> replacement, repair or maintenance of an existing of the building. <br /> well in a floodway area shall meet the applicable (4) All new private sewage disposal systems, or <br /> requirements of all municipal ordinances and chs.NR addition to, replacement, repair or maintenance of a <br /> 111 and NR 112,Wis.Adm. Code. private sewage disposal system shall meet all the <br /> applicable provisions of all local ordinances and ch. <br /> 17.53 FLOODFRINGE AREAS. (1) No 83,Wis.Adm.Code. <br /> _ modification or addition shall be allowed to any (5) All new wells, or addition to, replacement, <br /> nonconforming structure or any structure with a repair or maintenance of a well shall meet the <br /> nonconforming use unless such modification or applicable provisions of this ordinance and chs. NR <br /> addition has been granted a permit or variance by the 111 and NR 112,Wis.Adm.Code. <br /> county. In addition,the modification or addition shall <br /> be placed on fill or floodproofed to the flood [17.54-17.60 reserved for future use.] <br /> protection elevation in compliance with the standards <br /> for that particular use in s. 17.39, except where sub. SUBCHAPTER VI <br /> (2)is applicable. ADMINISTRATION <br /> Page 89 <br /> Revised 4-30-97 <br />