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&09K . fwu 710 In addition to the Board directed changes, staff has also made two additional changes related to landscaping clearance from electrical facilities and seawall permitting within the City of Vero Beach. These changes are also incorporated into the proposed ordinance. The Board is now to take final action and approve, approve with modifications, or deny the proposed ordinance. ANALYSIS• Changes from the December 1st version of the ordinance are bolded and italicized in attachment #2, and are as follows: 1. Commercial nurseries in agricultural districts. At its December 1st meeting, Board members agreed that the intent of the existing LDRs is to limit commercial nurseries in agricultural districts to cultivation and wholesaling uses and to prohibit all on-site sales. By prohibiting such sales, members of the general public are to be precluded from patronizing the site. Consequently, no special site and building improvements are required to accommodate the general public. Also, the prohibition draws a clear and logical distinction between an agriculturally -oriented commercial nursery and a retail commercial use that is more appropriately restricted to commercial zoning districts. The proposed ordinance specifically states that on-site retail sales are prohibited for agriculturally zoned commercial nurseries. The ordinance also specifically states that cultivation, wholesaling, and off-site landscaping services (maintenance, delivery, design and installation) are allowed on agriculturally zoned commercial nursery sites. Such off-site landscaping services would not draw the general public to agriculturally zoned sites and would merely involve storage and use of the types of materials and equipment kept on site for cultivation and wholesaling activities. 2. Fruit -spreading setbacks. As agreed upon at the December 1st meeting, proposed setbacks between spread fruit and public roads, private potable wells, and waterbodies have been increased from 200' to 300'. 3. County review and permitting of seawalls in the City of Vero Beach. Staff has changed slightly the proposal to bring the county LDRs into line with an existing arrangement whereby the county reviews and permits seawalls within the City of Vero Beach. The changes are intended to ensure that the county's purview within the City relates to seawalls only, and not other coastal issues such as turtle fighting/protection (see attachment #3). 4. Landscaping clearance from electrical facilities. Following the December 1st hearing, an FP&L representative asked staff to consider some modifications to a proposal establishing landscaping clearances from electrical facilities (see attachment #3). In staffs opinion, the requested changes are reasonable. These changes are as follows: A. Require a 10' rather than a 3' canopy tree clearance from power lines. Because FP&L follows ANSI (American National Safety Institute) standards, FP&L trims trees to maintain a 10' clearance from powerlines. Vero Beach electrical engineering staff have stated that Vero Beach Electric also generally follows ANSI standards. Therefore, it is reasonable to require landscape designers to take into account the 10' clearance standard when proposing trees within 30' (horizontal) of a powerline. The revised ordinance establishes such a requirement. B. Require a Y tree, shrub, and vine clearance from utility poles, guy wires and anchors, and transformer pads. Such a clearance is needed for maintenance purposes and should be able to be accommodated without compromising any landscaping requirements. Staff recommends that the Board of County Commissioners adopt the attached LDR ordinance. DECEMBER 16, 1997