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roadway medians and rights-of-way. These alternatives, however, will not allow for large canopy <br />trees in medians and rights-of-way. If the Board desires large canopy trees, such as oaks and palms, <br />in the CR 512 median then changes to the preliminary design will need to be made. Such changes <br />would impact only the segment of CR 512 between I-95 and CR 510. These changes would involve <br />extra right-of-way acquisition, curbing improvements, and possibly irrigation systems that would <br />significantly increase project costs from roughly $11,000,000 to as much as $13,000,000 (see <br />attachment #3). Maintenance costs would also increase. East of CR 510, opportunities for an <br />expanded CR 512 right-of-way are constrained by the South Prong bridge and environmentally <br />sensitive lands and by the developed properties along CR 512. <br />To continue with project design, staff needs direction from the Board regarding its expectations for <br />landscaping within the improved CR 512 road right-of-way. <br />RECOMMENDATION: <br />Staff recommends that the Board of County Commissioners: <br />1. Set a date in September for a public workshop to discuss landscaping issues. Staff finther <br />recommends that the workshop be a joint meeting of the Board of County Commissioners, <br />the Planning and Zoning Commission and the PSAC. <br />2. Invoke the pending ordinance doctrine and direct staff to apply the requirements of the <br />attached proposed ordinance to new development project applications. <br />3. Provide staff with general direction on the extent of landscaping to be incorporated in the CR <br />512 (I-95 to Roseland Road) widening project design. <br />ATTACHMENTS: <br />1. Minutes from June 12, 1997 Planning and Zoning Commission Meeting <br />2. Report to PSAC (contains analysis and proposed ordinance) <br />3. Memo from County Engineer <br />Chairman Eggert pointed out that if the Board wished to see additional landscaping for <br />new multi -family residential developments along Indian River Boulevard, now is the time to <br />invoke the pending ordinance doctrine. <br />Chairman Eggert has become increasingly concerned about a number of places around <br />the county without a good line -of -sight. She reasoned that sight lines have been checked by <br />someone in a truck, not a car. She suggested that Road & Bridge check out the lines -of -sight <br />from a car. <br />Commissioner Ginn thought that ease -of -maintenance was an important consideration in <br />landscaping corridors. <br />Commissioner Macht agreed ease -of -maintenance, reduced watering requirements, and <br />concern for costs were important. He did not see any reference to native plants in the ordinance, <br />but Commissioner Adams noted she saw it on page 93 of the backup. <br />31 <br />E©OK I U. <br />JULY 229 1997 <br />