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17-17 , notification shall be maintained with the variance (d) Insure that the structural walls and floors are appeal record. watertight to the flood protection elevation, and the interior remains completely dry during 17.64 TO REVIEW APPEALS OF PERMIT . flooding,without human intervention. DENIALS. (1) The Board of Adjustment shall (3) Floodproofing measures could include: ,- review all data constituting the basis for the appeal (a) Reinforcement of walls and floors to resist of permit denial. This data may include (where rupture or collapse caused by water pressure or appr`opriate): floating debris; _ (a) Permit application data listed in s. 17.61(2); (b) Addition of mass or weight to structures to !�, (b) Floodway/floodfringe determination data in s. prevent flotation; i 17.44; (c) Placement of essential utilities above the (c) Data listed in s. 17.33(2)(b). where the flood protection elevation; applicant has not submitted this information to the (d) Surface or subsurface drainage systems, zoning administrator. including pumping facilities, to relieve external (d) Other data submitted to the zoning foundation wall and basement floor pressures; administrator with the permit application, or (e) Construction of water supply wells, and waste submitted to the Board with the appeal. treatment systems to prevent the entrance of.flood (2) For appeals of all denied permits the Board waters into the systems; shall: (f) Cutoff valves on sewer lines or elimination of (a) Follow the procedures of s. 17.63; gravity flow basement drains. (b) Consider Zoning Agency recommendations; (c) Either uphold the denial or grant the appeal. 17.66 PUBLIC INFORMATION. (1) Where (3) For appeals concerning increases in regional useful, marks on bridges or buildings or other flood elevation the Board shall: markers may be set to show the depth of (a) Uphold the denial where the Board agrees inundation during the regional flood at appropriate with the data showing an increase in flood locations within the floodplain. elevation. Increases equal to or greater than 0.01 (2) All available information in the form of maps, = foot may only be allowed after amending the flood engineering data and regulations shall be readily profile and map and all appropriate legal available and should be widely distributed. __ arrangements are made with all adversely affected (3) All legal descriptions of property in the : property owners. floodplain should include information relative to l-- zoning lain (b) Grant the appeal where the Board agrees that the floodplain g classification when such the data properly demonstrates that the project property is transferred. does not cause an increase equal to or greater than [17.67- 17.70 reserved for future use.] 0.01 foot provided no other reasons for denial exist. SUBCHAPTER VII AMENDMENTS 17.65 FLOODPROOFING. (1) No permit or variance shall be issued until the applicant submits 17.71 AMENDMENTS. (intro.) GENERAL. The a plan or document certified by a registered county board may change or supplement the professional engineer or architect that the boundaries of the floodplain zoning districts and floodproofing measures are adequately designed to the regulations contained in this ordinance in the protect the structure or development to the flood manner provided by, law. Actions which require protection elevation. an amendment include, but are not limited to, the (2) Floodproofing measures shall be designed to: following (a) Withstand the flood pressures, depths, (1) Any change to the official floodplain zoning - velocities, uplift and impact forces, and other map including the floodway line or boundary of factors associated with the regional flood; any floodplain area; (b) Assure protection to the flood protection (2) Correction of significant discrepancies elevation; between the water surface profiles and floodplain ' (c) Provide anchorage of structures to zoning maps; foundations to resist flotation and lateral (3) Any fill in the floodplain which raises the movement; elevation of the filled area to a height at or above rev. 043095