Ord 2012-029 - Laserfiche WebLink

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(5) When the base flood elevation data is not available from any source, the lowest floor of the new construction and substantial improvements must be elevated to 3 feet above the highest adjacent agr de, (or 2 foot above the highest crown of the adjacent roadway). (6) Any alteration repair, reconstruction or improvements to a building that is in compliance with the provisions of this Article must meet the requirements of "new construction" as contained in this Article; and (7) Any alteration repair, reconstruction or improvements to a building that is not in compliance with the provisions of this Article may be undertaken only if the non- conformity is not furthered, extended, or replaced. Sec. 39.043. Specific standards for non - coastal high hazard areas in all non - coastal areas of special flood hazard where base flood elevation data has been provided as set forth in section 39.021, the following provisions apply (1) Compliance with the standards in section 39.041. (2) Residential Structures. (a) All new construction or substantial improvements of residential structures within Zones AE and AH must have the lowest floor (including basement) elevated to 1 foot above the base flood elevation. (b) All new construction and substantial improvements of residential structures within AO Zone must have the lowest floor (including basement ) elevated above the highest adjacent grade at least as high as the depth number specified in feet on the FIRM (at least two feet if no depth number is specified). (c) A registered professional engineer, architect or land surveyor shall submit a certification to the Floodplain Administrator that this standard is satisfied. (3) Nonresidential Structures. (a) All new construction or substantial improvements of nonresidential structures must have the lowest floor (including basement) elevated to 1 foot above the base flood elevation. Nonresidential structures within Zones AE and AH may not be flood - proofed in lieu of being elevated unless a variance is grante pursuant to Section 39.030, and provided that together with all attendant utility and sanitary facilities, be designed so that below the base flood elevation plus one foot the structure is water -tight with walls substantially impermeable to the passage of water, and with structural components having the capability of resisting hydrostatic and hydrodynamic loads and the effect of buoyancy. A registered professional engineer or architect must certify that the provisions of this subsection are satisfied. The FEMA Floodproofing Certificate must be prepared and submitted to the Floodplain Administrator along with any corresponding operational and maintenance 1p ans. 21