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Indian River County I Impact Fee Update Study <br />Table C-3 <br />Design Cost Adjustment — State Roads <br />Road Type <br />Urban Design <br />Rural Design <br />Design Cost per Section Design <br />Lane Mile(1) Distribution(2) <br />$220,000 <br />$183,000 <br />34% <br />66% <br />Weighted Average Design Cost per Lane Mile <br />Weighted <br />Design Cost per <br />Lane Mi1e131 <br />$75,000 <br />$121,000 <br />$196,000 <br />1) Design cost is estimated at 11% of construction cost based on recent TIF studies in <br />Table C-10 (Item b). <br />(2) Source: Appendix C, Table C-17 (Items c and d) <br />(3) Design cost per lane mile (Item 1) multiplied by the associated section design <br />weight (Item 2) for each design type and added together. <br />Right -of -Way <br />The ROW cost reflects the total cost of the acquisitions along a corridor that was necessary <br />to have sufficient cross-section width to widen an existing road or, in the case of new <br />construction, build a new road. <br />County Roadways <br />To determine a ROW acquisition cost per lane mile for county roads, TOA conducted a <br />review of recently completed ROW acquisitions and current ROW estimates along capacity <br />expansion projects in Indian River County and also reviewed ROW estimates from recent <br />transportation impact fee studies from other counties in Florida. For impact fee purposes, <br />the ROW cost for county roads was estimated as a percentage of the construction cost per <br />lane mile. This factor was determined through a review of the ROW -to -construction cost <br />ratios for county road unit costs from recent local projects and in previously completed <br />impact fee studies throughout Florida. For county roadways in Indian River County, the <br />ROW factors ranged from 6 percent to 150 percent, with a weighted average of 41 percent, <br />as shown in Table C-11. This factor is consistent with the ratio of ROW to construction cost <br />observed in other Florida jurisdictions, as shown in Table C-12. For purposes of this update <br />study, the ROW cost for county roads was calculated at 41 percent of the construction cost <br />per lane mile. <br />Tindale -Oliver & Associates, Inc. Indian River County <br />June 2014 <br />C-3 Impact Fee Update Study <br />(a <br />