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TO: James E. Chandler County Administrator DEPAR T HEAD CONCURRENCE: Ro ert .Keating, CP / a4 Community Development Director 11WD FROM: Roland M. DeBlois; AICP Chief, Environmental Planning DATE: May 12, 1997 SUBJECT: Request for County Acceptance of Road Right -of -Way and Conservation Land from Lost Tree Village Corporation as Partial Mitigation for Development of Two Single -Family Residences on Wabasso Island It is requested that the data herein presented be given formal consideration by the Board of County Commissioners at its regular meeting of May 20, 1997. DESCRIPTION AND CONDITIONS Lost Tree Village Corporation ("Lost Tree") owns approximately 7.64 acres of land bisected by Live Oak Drive on wabasso Island, southeast of the Environmental Learning Center (ELC) (see attached map). The subject property consists of uplands and wetlands, and is zoned RS -I, single-family residential, and Cont,_Estuarine_Wetlattds_Conservation. Lost Tree proposes to create two single-family parcels out of the subject property, and fill approximately 0. 17 acres of wetlands to allow for access and development of existing upland areas. Lost Tree has obtained wetland alteration permits from the St. Johns River Water Management District (SJRWMD) and the Army Corps of Engineers (ACOS) for the work, with wetland impact mitigation proposed as follows: Donation of $18,050 to the ELC for upland plantings and the removal of exotic -vegetation. from ±1.45 acres along the Indian River Lagoon shoreline near the existing ELC dock; Deeding of 1.45 wetland acres west -of -Live Oak Drive to the County (for incorporation into ELC leased land); and Deeding of a 60' wide right-of-way to the County for Live Oak Drive, where Live Oak Drive bisects the subject property. (Although the County maintains that portion of Live Oak Drive, which is a paved road, the County does not officially own the right-of-way.) This memorandum is presented for the Board to consider acceptance of deeds for the described conservation land and right-of-way. ANALYSIS General Sub&wsion & Zoning Requirements The subject Lost Tree property has not been subdivided since at least 1983. Therefore, the property qualifies for a "one-time split" for the creation of two parcels, without need for formal platting. As proposed, each of the two parcels would satisfy the minimum parcel size and road frontage requirements of the RS -1 zoning district. Minimum yard setback requirements for the RS -I zoning district are 30 feet for front and rear yards, and 20 feet for side yards. Moreover, County Code Section 929.07 requires a 50 foot building setback from the Lagoon mean high water line for unplatted parcels adjacent to an aquatic preserve of the Indian River Lagoon. That requirement applies in this case. This setback may be reduced to 20% of the parcel depth perpendicular to the Lagoon waterway, whichever distance is less. Staff has reviewed the proposed parcel split and setback requirements, and has determined that development on the two proposed parcels could feasibly satisfy these requirements. County Wetland Protection Requirements County Code Chapter 928, Wetland Protection, requires a county wetland permit for proposed wetland alteration. Environmental planning staff has reviewed the proposal as permitted by the MAY 20, 1997 73 6CCK 102L MU �c��