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APS 2 1991 BOOK � 3 P� U U.S. #1 and a three phase single family residential subdivision further east on 73rd Street. The owner has final plat approval for phase I of the single family subdivision, and has obtained a land development permit for phase II of the single family subdivision. Phase II of the single family subdivision is currently under construction, borders the mosquito impoundment, and is located to the east of phase I. Phase II also borders and provides access to the riverside (PRD) phase to the east. For the riverside phase, the applicant is proposing to provide access to and expand some isolated uplands along the river's edge in order to plat the four single family lots. The approved conceptual PRD plan allowed the filling of some wetland areas subject to an approved mitigation plan. A mitigation plan was subsequently approved and permitted. ANALYSIS: The Board of County Commissioners approved the following design waivers as part of the overall conceptual PRD at its July 25, 1989 meeting. Currently Approved Waivers: a. Lot Size: A reduction in feet (RS -1) to 15,000 square A - Zoning Code). lot size from 40,000 square feet (section 5(A) Appendix b. Minimum Lot Width: A reduction from 125' to 85' foot lot width (section 5(A) Appendix A - Zoning Code). c. Right -of -Way Width: A 60' drainage and access easement was approved to access the subdivision and a 40' wide access and drainage easement was approved for access to the individual lots (section 10(c)(2)(f) Appendix B - Subdivision Code). d. Minimum Pavement Width: Decrease pavement width from 22' width to a 20' width (section 10(c)(2)(f) Appendix B - Subdivision Code). The applicant is now requesting additional design waivers to be applied only to the 4 lot subdivision of the "riverside" phase. If the setback waivers are granted, the setbacks would be slightly less than setbacks for other 15,000 sq. ft. lots permitted in the RS -3 zoning district. However, the lots are isolated from adjacent properties by expanses of open space and impoundment area. The requested design waivers are as follows: Requested Additional Waivers (to a - d as previously noted): to existing waivers e. Front and Rear Setbacks: A reduction from 30' to 20' for the front and rear setbacks. (Section 5(A) Appendix A - Zoning Code) ("riverside" 4 lot subdivision lots only) f. Sideyard Setback: A reduction from 20' to 10' for the side yard setbacks. (Section 5(A) Appendix A - Zoning Code). It is staff's opinion that the requested reductions in normal size and dimensional standards are adequately mitigated by the low density of the project, the extent of common open space, and the establishment of a conservation easement. These waivers shall in no way be construed to permit a structure to be built on property other than the buildable uplands as established by the approved project plans. 16