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Indian River County 1 Impact Fee Update Study <br />Design <br />County Roadways <br />The design cost factor for county roads was estimated as a percentage of the construction <br />cost per lane mile. This factor was determined through a review of the design -to - <br />construction cost ratios for county road unit costs in previously completed impact fee <br />studies throughout Florida. For county roadways, the design factors ranged from 6 percent <br />to 14 percent, with a weighted average of 10 percent. For purposes of this update study, <br />the design cost for county roads was calculated at 10 percent of the construction cost per <br />lane mile (see Table C-10 for additional information). <br />Table C-2 <br />Design Cost Adjustment — County Roads <br />1) Design cost is estimated at 10% of construction cost based on recent TIF studies in <br />Table C-10 (Item a). <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 />State Roadways <br />The design cost factor for state roads was estimated as a percentage of the construction <br />cost per lane mile. This factor was determined through a review of the design -to - <br />construction cost ratios for state road unit costs in previously completed impact fee studies <br />throughout Florida. For state roadways, the design factors ranged from 10 percent to 14 <br />percent, with a weighted average of 11 percent. For purposes of this update study, the <br />design cost for state roads was calculated at 11 percent of the construction cost per lane <br />mile. See Table C-10 for additional information. <br />Tindale -Oliver & Associates, Inc. Indian River County <br />June 2014 <br />C-2 Impact Fee Update Study <br />Zig <br />DesignM(N <br />Section Design <br />Distribution <br />Weighted <br />Road Type <br />ikEIDEMP <br />Design Gost.per <br />kal3„„�� <br />Urban Design <br />$180,000 <br />34% <br />$61,000 <br />Rural Design <br />$149,000 <br />66% <br />$98,000 <br />Weighted Average Design Cost per Lane Mile <br />$159,000 <br />1) Design cost is estimated at 10% of construction cost based on recent TIF studies in <br />Table C-10 (Item a). <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 />State Roadways <br />The design cost factor for state roads was estimated as a percentage of the construction <br />cost per lane mile. This factor was determined through a review of the design -to - <br />construction cost ratios for state road unit costs in previously completed impact fee studies <br />throughout Florida. For state roadways, the design factors ranged from 10 percent to 14 <br />percent, with a weighted average of 11 percent. For purposes of this update study, the <br />design cost for state roads was calculated at 11 percent of the construction cost per lane <br />mile. See Table C-10 for additional information. <br />Tindale -Oliver & Associates, Inc. Indian River County <br />June 2014 <br />C-2 Impact Fee Update Study <br />Zig <br />