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Last modified
8/31/2016 12:43:08 PM
Creation date
9/30/2015 4:20:56 PM
Metadata
Fields
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Ordinances
Ordinance Number
2009-004
Adopted Date
07/09/2009
Agenda Item Number
10.A.1.
Ordinance Type
Comp Plan Text Amendment
State Filed Date
07\08\2009
Entity Name
Coastal Management Element
Subject
Coastal High Hazard Area Map
Codified or Exempt
Codified
Supplemental fields
SmeadsoftID
6755
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Comprehensive Plan Coastal Management Element <br />TABLE 9.14 <br />SAFFIR-SIMPSON HURRICANE SCALE <br />Category III Winds of 111 to 130 MPH. <br />Evacuation routes cut off by rising water three (3) to four (4) hours before <br />landfall. Mobile homes destroyed; some structural damage to small <br />buildings (inland); severe damage on the coast. <br />Category IV Winds of 131 to 155 MPH. <br />Evacuation routes cut off by rising water three (3) to five (5) hours before <br />landfall. Major damage to lower floors of buildings near shore. Etensive <br />damage to windows, doors and roofing material. <br />Category V Winds in excess of 155 MPH. <br />Evacuation routes cut off by rising water thre (3) to five (5) hours before <br />landfall. Small structures destroyed: extensive damage to windows and <br />doors; and, collapse of roofs on most residential and industrial buildings. <br />• Coastal High Hazard Area <br />The coastal high -hazard area is the area below the elevation of the category 1 storm surge <br />line as established by a Sea, Lake, and Overland Surges for Hurricanes (SLOSH) <br />computerized storm surge model. <br />Within the CHHA, there are several large tracts of land in the unincorporated County that <br />consist of environmentally -sensitive estuarine wetlands. In the unincorporated area, those <br />lands, located along both sides of the IRL, are designated "C-2" on the future land use <br />map. 'C-2" designated lands may be developed at one (1) unit per 40 acres or used for a <br />density transfer of one (1) unit per acre to an upland site. <br />Most of the land in the unincorporated County within the CHHA consists of residential <br />land with development potential and permitted densities ranging from three (3) to ten (1 <br />0) units per acre. A substantial portion of this land is currently developed. Much of that <br />development took place at a time when the CHHA was more narrowly defined as land on <br />the barrier island, east of the Coastal Construction Control Line (CCCL). <br />In the unincorporated area, the CHHA also contains a small portion of the commercially <br />designated land in three (3) areas. Those areas within the CHHA are: the Medical Node <br />Appendix A <br />
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