HomeMy WebLinkAboutLETTER ABOUT FLOOD ZONEFlood Hazard Zones AE / COMBINED
RIVERINE AND COASTAL FLOODPLAIN
DFIRl1 1D
12111 C
VERSION ID
FLD AR ID
12111C 2242
STUDY_TYP
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416/22, 10:44 AM -. St. Lucie County, FL Land Devele It Code
7.04.01. - Requireements.-'
A. Density, Height and Lot Coverage - General. Except as modified by the provisions for conditional uses or variances, no structure shall
be constructed, built, moved, remodeled, reconstructed, occupied, or used on a lot that is greater than the maximum density, the
maximum height, or the maximum lot coverage requirement shown in Table 7-10 for the Zoning District in which it is located.
B. Area, Width and Yard Requirements -Genera/. Except as modified by the provisions for conditional uses or variances, no structure
shall be constructed, built, moved, remodeled, reconstructed, occupied, or used on a lot that is less than the minimum lot area,
minimum lot width, and minimum yard requirement as shown in Table 7-10 for the zoning district in which it is located, except that
unsupported roof overhangs may encroach up to thirty (30) inches within any required yard setback area. This provision does not
supersede the restrictions of Section 7.10.16(Q)(1)(a) of this Code.
C. Minimum Building/Structure Elevation.
1. The minimum first floor elevation of all residential buildings shall be as follows:
a. For properties lying within a designated Special Flood Hazard Area where the base flood elevation has been determined, as
further defined under Chapter II of this Code, all buildings shall be elevated a minimum of eighteen (18) inches above the
crown of the adjacent roadway or shall comply with the minimum flood elevation for the property as established on the Flood
Hazard Boundary Map for St. Lucie County, whichever is greater.
]etermined, all buildings snall oe elevated as rolloWS:
1. A minimum of thirty-six (36) inches above the adjacent average natural grade, or eighteen (18) inches above the crown
any adjacent roadway, whichever is greater; or
As determined by a sub -basin drainage study for the proposed development meeting the requirements of a
pe2ta'I`Fle'cd'HazarZJ- a, as further defined under Chapter II of this Code, all buildings shall
be elevated a minimum of eighteen (18) inches above any adjacent roadway.
2. Habitable/non-residential buildings shall comply with the following standards:
a. For properties lying within a designated Special Flood Hazard Area where the base flood elevation has been determined, as
further defined under Chapter II of this Code, all buildings shall be elevated a minimum of eighteen (18) inches above the
crown of the adjacent roadway or shall comply with the minimum flood elevation for the property as established on the Flood
Hazard Boundary Map for St. Lucie County, whichever is greater.
b. For properties lying within a designated Special Flood Hazard Area for which the base flood elevation has not been
determined, all buildings shall be elevated as follows:
1. A minimum of thirty-six (36) inches above the adjacent average natural grade, or eighteen (18) inches above the crown of
any adjacent roadway, whichever is greater; or
2. As determined by a sub -basin drainage study for the proposed development meeting the requirements of a stormwater
permit as set forth in Chapter VII.
c. For properties lying outside of a Special Flood Hazard Area, as further defined under Chapter II of this Code, all buildings shall
be elevated a minimum of eighteen (18) inches above any adjacent roadway.
3. When topographical conditions are such that compliance with this subsection would be impracticable or cause grade level
conditions detrimental to adjacent or nearby property, the Growth Management Director shall grant relief from the provisions of
this subsection, consistent with Flood Protection regulations.
4. For non-habitable/non-residential structures, when topographical conditions are such that compliance with this subsection
would be impracticable or cause grade level conditions detrimental to adjacent or nearby property, the Growth Management
Director may grant relief from the provisions of this Code, consistent with the intent of the Flood Protection regulations and any
other applicable portion of this Code.
D. Filled Land.
1. Any filled land created in the unincorporated area of St. Lucie County shall be filled so that the settled elevation of such land shall
be at least five (5) feet above mean sea level (MSL), as measured by U.S.C. and G.S. Datum.
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