COM 0176.031 2006-2008 - Laserfiche WebLink

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(1) Project location and site plan showing dimensions. (2) Relationship to floodway and floodway fringes as determined by flood elevation study. (3) Contour map showing the topography of existing ground based on elevation reference mazks on flood maps. The scale and contours are to be appropriate to the work in question. (4) Existing and proposed base flood elevations. (5) Existing and proposed floodpmofing and flood control measures. (d) New construction, improvements to repetitive loss structures. and substantial improvements within the general floodplain shall satisfy the requirements set forth for Zones AE, AH, AO, or VE as is determined to be applicable by the director of public works based on base flood information and floodway data obtained through subsections 27-24(a) and 27-24(b). (e) The director of public works may waive informational requirements if the director of public works has sufficient information to make an evaluation and determination regarding flood elevation or may request further information, including a detailed flood elevation study and a drainage report, to evaluate flood risks and determine the applicability of flood construction and development standazds. (f) All new construction, improvements to repetitive loss structures, development, and substantial improvement within the general floodplain shall be certified as required by section 27-17. ~ All manufactured homes shall be elevated and anchored to resist flotation, collapse, or lateral movement. SECTION 16. Chapter 27, article 4, section 27-25, Hawaii County Code 1983 (2005 edition), as amended, is hereby amended to read as follows: Section 27-25. Standards for development adjacent to drainage facilities. New construction, improvements to repetitive loss structures, and substantial improvements proposed adjacent to drainage facilities outside of the special flood hazard azeas identified on the Flood Insurance Rate Maps shall be subject to review and approval of the director of public works. (a) Upon request by the director of public works, further information concerning base flood elevation, floodways, surface water runoff, existing and proposed drainage patterns, and other information, including a detailed flood elevation study, drainage report, and fmdings and opinions by a [fegistered] licensed professional civil engineer, shall be provided to evaluate potential flooding. (b) The director of public works shall detemvne the applicability of the various development and construction standards provided in this chapter based upon information available from a Federal, State, or other source, including information provided by the pernut applicant. (c) A drainage facility shall not be modified, constructed, lined, or altered in any way without the approval of the director of public works. 23