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• The rearyard setback for decks and screen enclosures for all interior lots (1-5 and 53-100) will be 2': for all perimeter lots except the north perimeter lots (19-52), the rearyard setback will be 10' for screen enclosures, and 5' for decks, and for the north perimeter lots (6-18), the rearyard setback will be 15' for decks and screen enclosures. Lot coverage ranges from 57.3% for the largest model on the smallest lot to 23% for the largest model on the largest lot. 13. Environmental Issues: Uplands: Since the site is over 5 acres, it is subject to the native upland setaside criteria of section 929.05. However, environmental planning staff has verified that most of upland area land is citrus, with only a small amount of native vegetation along Jungle Trail. The native vegetation along Jungle Trail does not constitute a native community since it is heavily mixed with nuisance exotics. Therefore, no native upland community exists, and no setaside is required. Wetlands: A total of 5.61 acres of the 37.2 acres project site is wetland area. There are two different types of wetlands on the subject site; estuarine wetlands and palustrine wetlands (freshwater non -tidal). The estuarine wetland is 2.21 acres in size and characterized by mangrove growth. The applicant is not proposing to impact the mangrove wetland area. The applicant is, however, proposing to impact approximately 3.40 acres of the freshwater wetland and mitigate that impact by wetland creation, wetland enhancement, wetland/upland buffer creation, and a conservation easement. The mitigation will be approved through the wetland permitting process with the St. John's River Water Management District and Indian River County. Any required conservation easement will need to be granted prior to or via the final plat. 14. Archeological Issues: The county's Archeological Survey lists the project area as having a high potential for archeological resources; therefore, staff required the applicant to conduct an archeological investigation and prepare a site specific archeological report for the site. The applicant had such a report prepared and the report revealed the presence of a substantial midden. The findings of the report have been reviewed by the county's Historical Resources Advisory Committee (HRAC). The minutes of the committee meeting are attached to the staff s report. As a result of its review, the HRAC has recommended that: a. An archaeologist be required to be on site during the course of horizontal construction, and that a Phase III investigation be conducted in those resource area that will be disturbed and inaccessible in the future. b. A permanent "display" be required to be developed by the applicant to display artifacts recovered on site, educate the residents of the development on the archeological resources, and to provide for limited public access to the resources. This "display" needs to be reviewed by the HRAC, and the applicant needs to make artifacts available to the county for future display. HRAC also recommended that county staff coordinate with the State Historic Preservation Office (SHPO) concerning the project. Staff has contacted SHPO staff, and SHPO is satisfied with HRAC's recommendations. The SHPO is also a commenting agency on St. John's River Water Management District and Army Corps of Engineers permits associated with the project and therefore will have input with those agencies before wetland alteration permits are issued. AUGUST 22, 2000 -47- 6K 9 9 4 PG 673 •