Ord-2021-010 - Laserfiche WebLink

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2) lf the requirements of subsection 1 are not met, then new construction and substantial improvement of any commercial, industrial or other nonresidential structure shall meet all of the following requirements:a) Be flood-proofed so that below one foot above the base flood level the structure is watertight with walls substantially impermeable to the passage of water or dry flood proofed to the elevation required by ASCE 24, whichever is greater b) Have structural components capable of resisting hydrostatic and hydrodynamic loads and effects of buoyancy. c) Be certified by a registered professional engineer or architect that the design and methods of construction are in accordance with accepted standards of practice for meeting provisions of this subsection based on their development and/or review of the structural design, specifications and plans. Such certifications shall be provided to the official as set forth in KCC 14.08.130(2). d) Nonresidential structures that are elevated, not flood-proofed, must meet the same standards for space below the lowest floor as described in KCC 14.08.250(2). Applicants flood-proofing nonresidential buildings shall be notified that flood insurance premiums will be based on rates that are one foot belowthe flood-proofed level. (Ord.2001-03; Ord.93-18 $ 5.2.3,1993). 14.08.275 Enclosed Area Below the Lowest Floor lf buildings or manufactured homes are constructed or substantially improved with fully enclosed areas below the lowest floor, the areas shall be used solely for parking of vehicles, building access, or storage. 1 4.08.280 Critical facility. Construction of new, critical facilities shall be located outside the limits of the specialflood hazard area. However, new construction and substantial improvement of both new and existing critical facilities shall be permissible within the 10O-yearfloodplain, provided no feasible alternative site is available, and provided the facility's nature is related to or necessitates a riverine location (such as municipal water and sewer pump stations and related treatment facilities). 1. Critical facilities shall have the lowest floor elevated three feet or more above the base flood elevation or the height of the 500-year flood, whichever is higher; and 2. Flood-proofing and sealing measures must be taken to ensure that toxic substances will not be displaced by or released into floodwaters; and 3. Access routes to critical facilities shall be elevated to or above the base flood elevation to the extent possible. @. ZO'12-OOg, 2012; Ord. 2001-03; Ord. 93-18 S 5.2.4, 1993). 1 4.08.285 Livestock Sanctuary Areas. Elevated areas for the purpose of creating a flood sanctuary for livestock are allowed on farm units where livestock is allowed. Livestock flood sanctuaries shall be sized appropriately for the expected number of livestock and be elevated sufficiently to protect livestock. Proposals for livestock flood sanctuaries shall meet all procedural and substantive requirements of this chapter. 1 4.08.290 Manufactured homes. 1) All manufactured homes to be placed or substantially improved on sites shall be elevated on a permanent foundation such that the lowest floor of the manufactured home is elevated one