Laserfiche WebLink
Pete Hoffmann, Chair and <br /> Members of the Hawaii County Council <br /> October 29, 2007 <br /> <br /> Page 12 <br /> (B) For nonresidential new construction, improvements to <br /> repetitive loss structures, and substantial <br /> improvements[=],[~he] the lowest floor shall be <br /> elevated or floodproofed to or above the base flood <br /> elevation plus a freeboard of at least one foot. If <br /> the lowest floor is below the base flood elevation plus <br /> the required freeboard, then the structure together <br /> with attendant utility and sanitary facilities shall be <br /> designed, [and] constructed, and certified by a <br /> currently licensed professional engineer or architect <br /> in the State of Hawai `i such that: <br /> (i) The structure is watertight below the base flood <br /> elevation plus the required freeboard. <br /> (ii) The walls are substantially impermeable to the <br /> passage of water. <br /> (iii) The structural components are capable of <br /> resisting hydrostatic and hydrodynamic loads <br /> and the effects of buoyancy. <br /> Page 19 27-18(d)(1)(D) Fully enclosed areas below the lowest floor that are <br /> useable solely for parking of vehicles, building access, or <br /> storage in an area other than a basement and which are <br /> subject to flooding, shall be designed to automatically <br /> equalize hydrostatic flood forces on exterior walls by <br /> allowing for the entry and exit of floodwaters. Designs for <br /> meetin thg is requirement must either be certified by a <br /> licensed professional engineer or architect or meet or <br /> exceed the following criteria: A minimum of two <br /> openings having a total net area of not less than one square <br /> inch for every square foot of enclosed area subi ect to <br /> flooding shall be provided. Each opening must be on <br /> different sides of the enclosed area. The bottom of all <br /> openings shall be no higher than one foot above rg ade. <br /> Openines may be equipped with screens, louvers, valves, <br /> or other coverings or devices provided that they permit the <br /> automatic entry and [e3cist] exit of floodwaters. <br /> Page 19 27-18(d)(2)(A)-(B) (A) For [new] residential new construction, <br /> improvements to repetitive loss structures, and <br /> substantial improvements[:]i(~he] the lowest floor <br /> shall be elevated above the highest adjacent grade at <br /> least [as-high-as] one foot above the depth number <br /> specified in feet on the FIRM, or at least [twe] three <br /> feet if no depth number is specified. <br /> <br />