COM 0176.170 2006-2008 - Laserfiche WebLink

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Pete Hoffmann, Chair and Members of the Hawaii County Council October 29, 2007 Page 14 methods of construction are in accordance with accepted standards of practice for the structure together with attendant utility and sanitary facilities such that: The structure is watertight below the bordering base flood elevation or depth number plus the required freeboard. ii The walls are substantially impermeable to the passage of water. iii The structural components are capable of resisting hydrostatic and hydrodynamic loads and the effects of buoyancy. New construction, improvements to repetitive loss structures, and substantial improvements, shall be required to provide a drainage path around and away from proposed structures. When topographical or ground elevation data, submitted by a civil engineer or land surveyor currently licensed in the State of Hawaii, shows that the proposed building site is higher than the elevation requirements of paragraph 27-18(d)(5)(A) and 27-18(dN5)(B), the flood plain regulations of this chapter shall not be applicable. Page 21 27-18(e) (e) Certification requirements. All new construction, improvements to repetitive loss structures, and substantial improvement within areas of special flood hazard and buffer zones shall be certified as required by the standards of section 27-17. Page 21 27-20(a) Standards for subdivisions[.-] and other developments. (a) All subdivisions and other developments within areas of special flood hazards and flood prone areas where special flood hazard areas have not been defined, water surface elevations have not been provided, and there is insufficient data to identify the floodway or coastal high hazard areas but there are verifiable physical indications that such hazards are present as determined by the flood plain administrator, shall; .