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Rear Yard <br />Setback <br />10' from upland <br />buffer* * * * <br />8V10'***** <br />10' <br />Side Yard <br />Setback <br />10' <br />5'/12'*** <br />5' <br />12' <br />Minimum <br />Right -of -Way <br />Width <br />50' <br />40' <br />40' <br />40' <br />Indian River <br />Lagoon Setback <br />50' from MHWL <br />25' from wetland <br />boundary <br />50' from MHWL <br />50' from MHWL <br />Side Lot <br />Driveway Setback <br />2' <br />2' <br />0' <br />2' <br />Driving Aisle <br />22' <br />N/A <br />18' <br />N/A <br />** <br />*** <br />Using the 25' setback from the wetland will provide a greater than 50' setback from the MHWL for the majority <br />of the lots. Therefore, the environmental planning staff is recommending that the waiver be approved. The three <br />lots that need the waiver are Lots 9, 10 and 11. <br />The 8' front yard setback applies only to side or rear loaded garages. Front loaded garages and principal <br />residences will be setback 25'. <br />The 5' side yard setback applies only on the front 50' of the lot and applies only to garages and guest houses. Any <br />principal residence located on the front 50' will need to meet the 12' side yard setback. All structures setback 50', <br />will require a 12' side yard setback. <br />Decks and other accessory structures can go within 5' of the upland buffer line. <br />An 8' rear yard setback applies to support columns for open porches. Columns located closer than 10' to <br />the rear property line shall be limited to the middle 50% of the home's rear elevation. <br />The proposed PD modification is indicated above in bold. <br />Because the proposed modification is limited to the rear yards of the marina lots, the effects of the <br />proposed change are limited to the marina lot residents. The greatest potential impact from the <br />requested change would be to the view lines from the adjacent marina lots. That impact is mitigated <br />by the proposed limitation to support columns of open porches, and is further mitigated by limiting <br />columns that are closer than 10' from the rear property line to the middle 50% of the home's rear <br />elevation. Because the request is limited to marina lots and poses no adverse effects to sites adjacent <br />to the Marsh Island PD project or other areas within Marsh Island, because the requested setback <br />modification is limited and structured to adequately mitigate visual impacts on marina lots, and <br />because the Marsh Island ARB supports the PD modification request, staff has no objection to the <br />proposed rear yard setback modification for marina lots (Lots 21 — 28) within the Marsh Island PD. <br />RECOMMENDATION <br />Based on the analysis, staff recommends that the Board of County Commissioners grant approval to <br />reduce the rear yard setback for open porch support columns to 8' for Lots 21 through 28 in the Marsh <br />Island PD as shown in the waiver table included in this report, with all original conditions of the PD <br />approval to remain in effect. <br />96 <br />F:\Community Development\CurDev\BCC\2014 BCC\MarshIslandSetbackMod(PD-14-07-07).docx 3 <br />