COM 0598.036 2006-2008 - Laserfiche WebLink

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b. Other areas: Zone X (shaded) floor two feet was determined. If there is no flood base For new construction, the lowest floor shall be level determined, what if the flood base level is 3 feet elevated at least two feet above the adjacent above grade for a property? Requiring the building to grade. be 2 feet above grade will still have the lower floor 2. For concrete basements with habitable room(s), within a flood zone. Similazly, if the base flood level is the sill plate shall be at least one foot above the at the grade level of a property, chances that the flood adjacent grade. level will be that high is "minimal" as the definition of 3. New construction shall be required to provide Zone X (shaded) is "where average depths are less than drainage around and away from proposed one-foot" within one-hundred-years. structures. 4. The director or designated representative may Item 4 appears to put the burden on the owner or wave this requirement when topographical data developer [o prove that the property is not within a or evidence, submitted by a civil engineer or flood area and to take on the cost of having a survey land surveyor currently licensed in the State of done on the property. Hawaii, indicates that there are no apparent flood hazards to the proposed structure. This provision, i.e. subsection 27-18(b), upon approval of this ordinance, shall take effect on March 31, 2008. Section 27-18. Standards for construction. Since Zone X (unshaded) does not have an established c. Within Zone X (unshaded) base flood elevation, new construction required to I. For new construction, the lowest floor shall be comply with the Fair Housing Act will not be able to elevated at least one foot above the adjacent apply the site impracticability exception of FHAAG #1, grade. Section 2(b) which states: 2. For concrete basements with habitable room(s), "Site impracticability due to unusual characteristics. the sill plate shall be at least one foot above the Unusual characteristics include sites located in a adjacent Bade. federally-designated floodplain or coastal high-hazard 3. New construction shall be required to provide area and sites subject to other similar requirements of drainage around and away from proposed law or code that the lowest floor or the lowest structures. structural member of the lowest floor must be raised to 4. The director or designated representative may a specified level at or above the base flood elevation. " wave this requirement when topographical data or evidence, submitted by a civil engineer or It is not clear how the requirement to raise the lower land surveyor currently licensed in the State of floor one foot was determined. If there is no flood base Hawaii, indicates that there aze no apparent level determined, what if the flood base level is 3 feet flood hazazds to the proposed structure. This above grade for a property? Requiring the building to provision, i.e. subsection 27-18(b), upon be one foot above grade will still have [he lower floor approval of this ordinance, shall take effect on within a flood zone. Similarly, if the base flood level is March 31, 2008. at the grade level of a property, chances that the flood level will be that high is "minimal" as the definition of Zone X (unshaded) "is an area of minimal flood hazard corresponding to areas outside of the five-hundred-year floodplain." Item 4 appears to put the burden on the owner or developer to prove that the property is not within a flood area and to take on the cost of having a survey done on the property. Section 27-20. Standards for subdivisions and other The bill does not establish or define what constitutes