. <br /> FIGURE 1 <br /> ettin Methodolo <br /> Rate S <br /> g gY <br /> Level of Service System Vatue <br /> Impact measurement Replacement costs for <br /> existing reserve capacity <br /> ~ Equivalent dwelling units <br /> (EDU) (plus) <br /> D Plumbing fixture units Projected future <br /> (PFUs) expenditures <br /> n Impervious surface (minus) <br /> Assessable costs <br /> ~ Trip rates (equals) <br /> ~ Number of employees ~ SDC eligible costs <br /> i <br /> Formula: <br /> Cost of Service <br /> SDC eligible costs SDC <br /> (PER UNIT <br /> Impact rT1eaSUrement OF SERVICE) <br /> Apply SDC to <br /> specific types <br /> of development <br /> <br /> ~ March 01, 1997 Methodologies: City of Eugene SDCs Page 5 <br /> <br />