Article III, Section 3.1.A.6
Dimensional standards
Servicing
- Geographic extent
- Coastal High Hazard areas extending from offshore to the inland limit of a primary frontal dune along an open coast or other areas subject to high velocity waves.
Extracted standards
6 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Floodplain
- Anchoring to resist flotation
Pile or column foundation and structure anchored to resist flotation, collapse, and lateral movement.
- Breakaway walls
Space below lowest floor free of obstruction or constructed with breakaway walls with design safe loading resistance of not less than 10 and no more than 20 pounds per square foot.
- Elevation on pilings or columns
Elevated on pilings or columns so that bottom of lowest horizontal structural member is at or above BFE + 18 inches (parallel) or at least 2 feet (perpendicular).
- Enclosed space use
Enclosed space below lowest floor used solely for parking, building access, or storage; less than 300 square feet; not partitioned or temperature-controlled.
- FillGrading (cut & fill)Reshaping land by removing earth (cut) or adding it (fill), often capped by volume. for structural support prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance.
The use of fill for structural support of buildings is prohibited.
- Sand dune alteration prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance.
The man-made alteration of sand dunes, which would increase potential flood damage, is prohibited.
From the ordinance
All new construction and substantial improvements in Zones V and VE, including manufactured homes, shall be elevated on pilings or columns so that: (1) The bottom of the lowest horizontal structural member of the lowest floor (excluding the pilings or columns) is elevated to or above the base flood level plus eighteen (18) inches if the lowest horizontal structural member is parallel to the direction of wave approach or elevated at least two feet above the base flood level if the lowest horizontal structural member is perpendicular to the direction of wave approach;