COM 0200.032 2006-2008 - Laserfiche WebLink

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same cost inflation factors used in annual adjustments since the study was prepared), and shall document the methodologies and assumptions used. (e) An independent fee calculation study submitted for the purpose of calculating a road impact fee may be based on data, information or assumptions from independent sources, provided that: (1) The independent source is an accepted standard source of transportation engineering or planning data; or (2) The independent source is a local study on trip characteristics carried out by a qualified transportation planner or engineer pursuant to an accepted methodology of transportation planning or engineering. (f) The road impact fees shall be calculated according to the following formula. FEE = VMT x NET COSTNMT Where: VMT = TRIPS x % NEW x LENGTH _ 2 NET COSTNMT = COST/VMC x VMCNMT - CREDITNMT TRIPS = Trip ends during an average weekday a/o NEW = Percent of trips that are primary trips, as opposed to passby or diverted-link trips LENGTH = Average length of a trip on the major roadway facilities 2 = Avoids double-counting trips for origin and destination COST/VMC = Average cost to add a new daily vehicle-mile of capacity VMC/VMT = System-wide ratio of VMC to VMT on the major roadway facilities (assumed 1:1) CREDIT/VMT = DEBTNMT + PAST/VMT + GRANTNMT DEBT/VMT = Outstanding debt used for capacity improvements on existing road facilities divided by total existing VMT PASTNMT = The net present value of property taxes paid over the last five years by vacant land for road capacity improvements, including general fund expenditures as well as debt service payments, per VMT GRANTNMT = The net present value of future Federal and State roadway capacity funding anticipated to be forthcoming per VMT over the next 20 ears DRAFT ORDINANCE FOR COUNTY OF HAWAII PREPARED BY DUNCAN ASSOCIATES 8/9/06 9