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13. Environmental Issues: Wetlands: Environmental planning staff has confirmed that there are no wetlands on the site, Therefore, no wetlands regulations apply. Native Upland Setaside: Since the site is over 5 acres, the native upland setaside regulations apply to this site. Except for the northeast corner of the site, the majority of the project is old grove that has been "reclaimed" by a variety of native and non-native vegetation. Environmental planning staff indicate that this "reclaimed" area does not constitute a native upland community. The oak hammock located in the northeast comer of the site does constitute a native upland community, and setaside requirements do apply to that area. The applicant can satisfy the setaside requirements through a conservation easement, fee -in -lieu, or a combination of the two. The applicant has indicated that the fee -in -lieu option will be used Fees will need to be paid to the county prior to issuance of a land development permit. As previously indicated, one of the additional recommended conditions will ensure greater preservation of the oak hammock by requiring larger lots and allowing lot line placement flexibility in the hammock area. This "flexibility area" is to be limited to no more than 6 lots and encompasses tracts G, H, and I as shown on the revised drawings. The reason for this recommendation is to accommodate more extensive preservation of an existing oak hammock located in the northeast comer of the site. That recommended condition will result in greater tree preservation and a reduction of project units from 151 to 148. Final lot line configurations will be approved via the final plat, and all lots will meet or exceed the approved project -wide minimum standards. 14: Waivers: The PD plan proposes no reduction in the RS -3 minimum lot size for any lot. All lots will meet or exceed the RS -3 minimum lot width standard of 80'. A reduction in the standard RS -3 comer lot width of 90' is requested for certain corner lots to allow a minimum corner lot width of 84`. The plan also proposes a reduction in the frontyard setback from 25' to 20' and a sideyard setback reduction from 15' to 101. These reductions are the same or less than setback reductions approved with other PDs in nearby L-1 designated areas, namely: Cypress Lakes (9,830 sq. ft. lots, 85' lot widths, 10' sideyards) and Hammock Lakes (7,465 sq. ft. lots, 70' lot widths, 9' sideyards). The requested waivers are mitigated by the proposed buffers, increased minimum open space, and provision of common recreation areas. The requested waivers are summarized and compared in the table below: Note: The proposed 25 R rearyard setbacks coincide with the required 25 R PD perimeter setback and the proposed perimeter 25 R wide bufferyards. SEPTEMBER 7,1999 49 �f BOOK RS -3 Minimum Standard Proposed Arbor Trace Minimum Standard Lot Size 12,000 sq. R 12,054 sq. R Lot Width (interior lots) SO R 80 R Lot Width (corner lots) 90 R 84 R Frontyard Setback 25 R 20 R Sideyard Setback 15 R R Rearyard Setback 25 R J25R Note: The proposed 25 R rearyard setbacks coincide with the required 25 R PD perimeter setback and the proposed perimeter 25 R wide bufferyards. SEPTEMBER 7,1999 49 �f BOOK