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and to adjust for changes in expenditures, costs, and revenues. Not only is this revision mandated by policy 1.1 of the Capital Improvements Element, but state growth management rules also require that the CIE be amended to reflect changed circumstances. In revising the Capital Improvements Element, the staff used much the same methodology as it employed in preparing .the original element. This involved coordinating with the budget and finance departments to obtain data on past revenues and expenditures as well as projected future revenue and expenditure amounts. Then, each county department was contacted to determine the status of its 5 year CIP. For each department, information on completed projects, proposed projects, costs, revenues, prioritization, and other factors was collected. Based upon these data, planning staff revised the various tables and the text of'the CIE. The result is an accurate and up-to-date CIP for the next 5 year period with revisions having been made in the CIE generally to demonstrate internal consistency and financial feasibility. c Hurricane Evacuation Time Analysis As required by Future Land Use policy 11.3, the county must as part of its annual CIE review assess the impact of new development on hurricane evacuation times. This assessment meets that requirement. Hurricane evacuation is addressed within the Coastal Management Element of the County's Comprehensive Plan. As indicated in that plan element, the county displayed clearance times of less than 12 hours for category 3-5 storms. This was based upon the 1988 update to the Treasure Coast Hurricane Evacuation Study. The Coastal Management Element also noted that the proposed replacement of the Merrill Barber Bridge, scheduled for 1993, could reduce estimated evacuation times below 12 hours. Since the programmed bridge replacement (with the corresponding increase from 2 to 4 lanes) is still scheduled for 1993, the capacity enhancement of the evacuation system is now even closer to being completed. On the demand side, estimates and projections are more difficult to determine. Not only does growth on the unincorporated county portion of the.barrier island affect hurricane evacuation; growth in Vero Beach, Indian River Shores,— and Orchid affect evacuation times. Even growth and development in Brevard and St. Lucie Counties affect evacuation times in Indian River County. While exact figures are not available, it is anticipated that, between the 1990 date of the comprehensive plan and the present, the population of the barrier island portion of the county (both incorporated and unincorporated areas) increased by only 305' residents. This is based upon a review of building permits issued. Based upon the estimated increase of barrier island residents, the impact on evacuation times will be minimal. Besides the minimal impact represented by growth, several other factors are important. First, the Barber bridge replacement is still on schedule and imminent. Second, both FDOT and FEMA have programmed hurricane evacuation studies to be done in the next year. Based upon those facts, it is staff's position that no additional capital improvements are necessary to accommodate hurricane evacuation needs. C Summary As per policy 1.1 of the Capital Improvements Element, the county must revise the CIP. In updating the CIP, revisions must be made to other portions of the CIE. The county does not have an alternative. However, changes may be made to the revisions as proposed. 127 BOOK l� uF,1�;t;� .j,�