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DRAFT <br />an application fee for administrative costs associated with the review and decision on <br />such study. <br />(d) The independent fee calculation study shall be based on the same service standards <br />and unit costs for facilities used in the needs assessment study (as adjusted by the <br />same cost inflation factors used in annual adjustments since the study was <br />prepared), and shall document the methodologies and assumptions used. <br />(e) 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 <br />sources, 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 />qualified transportation planner or engineer pursuant to an accepted <br />methodology of transportation planning or engineering. <br />(f) The road impact fees shall be calculated according to the following formula. <br />FEE=VMT x NET COST/VMT <br />Where: <br />VMT =TRIPS x % NEW x LENGTH ÷ 2 <br />NET COST/VMT =COST/VMC x VMC/VMT - CREDIT/VMT <br />TRIPS=Trip ends during an average weekday <br />% NEW=Percent of trips that are primary trips, as opposed to passby <br />or diverted-link trips <br />LENGTH=Average length of a trip on the major roadway facilities <br />÷ 2=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 1:1) <br />CREDIT/VMT=DEBT/VMT + PAST/VMT + GRANT/VMT <br />DEBT/VMT=Outstanding debt used for capacity improvements on existing <br />road facilities divided by total existing VMT <br />PAST/VMT=The net present value of property taxes paid over the last five <br />years by vacant land for road capacity improvements, <br />including general fund expenditures as well as debt service <br />payments, per VMT <br />GRANT/VMT=The net present value of future Federal and State roadway <br />capacity funding anticipated to be forthcoming per VMT over <br />the next 20 years <br />Draft Hawaii County Impact Fee Ordinance Duncan Associates, September 15, 2006, p. 9 <br /> <br />