COM 0598.003 2006-2008 - Laserfiche WebLink

Home

August 20, 2007 Page 8 shown or described on the grading or infrastructure construction plan. This provision, i.e. paragraph 27-18(a)(3)(F), upon approval of this ordinance, shall take effect on March 31, 2008." C) Paragraph 27-18(a)(4)(B)(ii) was amended as follows: "(ii) For nonresidential new construction, improvements to repetitive loss structures, and substantial improvements, the lowest floor shall be elevated or floodproofed above the highest adjacent grade at least one foot above the depth number specified in feet on the FIRM, or at least three feet if no depth number is specified. If the lowest floor is ['~.e -°F ~°~°°a s~see~iea " ' 4'~~"'~(A`~] less than one foot above the death number specified in feet on the FIRM, or less than three feet if no depth number is specified, then the structure together with attendant utility and sanitary facilities, shall be designed, constructed and certified by a professional civil engineer or architect licensed in the State of Hawaii, such that: (aa) The structure is watertight below the referenced flood elevation. (bb) The walls aze substantially impermeable to the passage of water. (cc) The structural components are capable of resisting hydrostatic and hydrodynamic loads and the effects of buoyancy." D) New subsections (b) and (c): "(b) Other areas: Zone X (shaded). (1) For new construction, the lowest floor shall be elevated at least two feet above the adiacent Grade. (2) For concrete basements with habitable room(s), the sill plate shall be at least one foot above the adiacent erade. (3) New construction shall be required to provide drainage aoound and away from proposed structures. (4) The director or designated representative may waive this requirement when topographical data or evidence, submitted by a civil en ineer or land survevor currently licensed in the State of Hawaii, indicates that there are no appazent flood hazards to the proposed structure. This provision, i.e. subsection 17-18(b), upon approval of this ordinance, shall take effect on March 31, 2008. (c) Within Zone X (unshaded): (J For new construction, the lowest floor shall be elevated at least one foot above the adjacent grade. (2) For concrete basements with habitable room(s), the sill plate shall be at least one foot above the adiacent rade. (3) New construction shall be required to provide drainage around and away from proposed structures.