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1. Prohibit encroachments, including fill, new construction, substantial improvements, and other <br />development, unless certification by a registered professional engineer is provided <br />demonstrating through hydrologic and hydraulic analyses performed in accordance with <br />standard engineering practice that the proposed encroachment would not result in any increase <br />in flood levels during the occurrence of the base flood discharge. <br />2. Construction or reconstruction of residential structures is prohibited within designated <br />floodways, except for: <br />a. Repairs, reconstruction, or improvements to a structure which do not increase the ground <br />floor area; and <br />b. Repairs, reconstruction or improvements to a structure, the cost of which does not exceed <br />50 percent of the market value of the structure either: (i) before the repair or reconstruction <br />is started, or (ii) if the structure has been damaged, and is being restored, before the <br />damage occurred. Any project for improvement of a structure to correct existing violations <br />of state or local health, sanitary, or safety codes which have been identified by the local <br />code enforcement official and which are the minimum necessary to assure safe living <br />conditions or to structures identified as historic places shall not be included in the 50 <br />percent. <br />3. lf subsection (1) of this section is satisfied, all newconstruction and substantial improvements <br />shall complywith all applicable flood hazard reduction provisions of <br />KCC 14.08.180 through 14.08.310, provisions for flood hazard reduction, except for construction <br />and reconstruction of residential structures that is prohibited by subsection (2) of this section. <br />4. Traditional agricultural practices are exempt. <br />Ad-ZOU:O15,2014; Ord.2013-008,2013;Ord.2012-009,2012;Ord.2007-34,2007;Ord.2007-22, <br />2007; Ord.2001-03; Ord. 93-18 S 5.3, 1993) <br />1 4.08.305 Wetlands management. <br />See KCC Title 17A. (Ord.2001-03;Ord.93-18 5 5.4,1993. Formerly 14.08.310). <br />14.08.310 Standards for shallow flooding areas (AO Zones). <br />Shallow flooding areas appear on FIRMs as AO Zones with depth designations. The base flood <br />depths in these zones range from one to three feet above ground where a clearly defined channel <br />does not exist, or where the path of flooding is unpredictable and where velocity flow may be <br />evident. Such flooding is usually characterized as sheet flow. ln these areas, the following provisions <br />apply: <br />1. New construction, substantial improvements, and reconstruction due to substantial damage of <br />residential structures and manufactured homes within AO Zones: <br />a. shall have the lowest floor (including basements) elevated above the highest grade <br />adjacent to the building, one foot or more above the depth number specified in feet on the <br />FIRM (at least two feet above the highest adjacent grade to the structure if no depth <br />number is specified). <br />b. Any interior or exterior building utility systems must be elevated one-foot or more above <br />the depth number specified in feet on the FIRM (at least two feet above the highest <br />adjacent grade to the structure if no depth number is specified)with the exception of utility <br />meters and equipment specifically designed to withstand inundation according to the <br />standards of the lnternational Residential Codes and the NFIP.