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Section 36-14. Independent fee calculation formulae. <br />(a) The independent fee calculation study shall be based on the same service standards and <br />unit costs for facilities used in the needs assessment study (as adjusted by the same cost <br />inflation factors used in annual adjushnents since the study was prepared), and shall <br />document the methodologies and assumptions used. <br />(b) An independent fee calculation study submitted for the purpose of calculating a road <br />impact fee may be based on data, information or assumptions from independent sources, <br />provided that: <br />(1) The independent source is an accepted standard source of transportation <br />engineering or planning data; or <br />(2) The independent source is a local study on trip characteristics carried out by a <br />dualified transportation planner or engineer pursuant to an accepted methodology <br />of transportation planning or engineering. <br />(c) The independent fee calculation is the sum of the road impact fees, the park impact fees, <br />the fire/EMS impact fees, police impact fees, and solid-waste impact fees. The formulae <br />for calculation of these fees are listed below. <br />(I) The road impact fees shall be calculated according to the following formula: <br /> 120AD IMPACT' FEE = VMT x NET COST/VM'T <br />Where: <br />VMT = TRIPS x % NEW x LENGTI-I = 2 <br />NET COST/VMT = COST/VMC xVMC/VMT -CREDIT/VMT <br />TRIPS = Trip ends during an average weekday <br />NEW = Percent of trips that are primary trips, as opposed to pass-by or <br />diverted-link trips <br /> <br />LENGTH <br />= _ <br />Average length of a trip on the major roadway facilities <br /> <br />I - 2 <br />= _ <br />Avoids double-counting trips for origin and destination <br />COST/VMC = Average cost to add a new daily vehicle-mile of capacity <br />VMC/VMT = System-wide ratio of VMC to VMT on the major roadway ~, <br />facilities (assumed l:l) <br />CREDIT/VMT = DEBT/VMT + PAST/VMT + GRAN"1'/VMT <br />DEBT/VMT = Outstanding debt used for capacity improvements on existing road <br />facilities divided by total existing VMT <br />PAST/VMT = The net present value of property taxes paid over the last five years <br />by vacant land for road capacity improvements, including general <br />fund expenditures as well as debt service payments, per VM"f <br />GRANT/VMT = The net present value of future Federal and State roadway capacity <br />funding anticipated to be forthcoming per VMT over the next 20 <br />years <br />