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i <br /> i <br /> i <br /> 2.q Single Family Dwelling and Duplex Rate <br /> The stormwater SDC for single family development is a flat rate based on the average lot size in <br /> <br /> I~ squuare feet in Eugene. The average lot size is multiplied by the residential runoff coefficient to <br /> determine the average square feet of impervious surface per lot. This amount is multiplied by the <br /> current stormwater SDC rate per square foot to determine the single family residential stormwater <br /> SC~C flat rate per dwelling unit with a building footprint less than 3,000 square feet. The stormwater <br /> <br /> 'j SDC for a duplex is calculated as two times the stormwater SDC flat rate charge of asingle-family <br /> dv~elling. For current stormwater SDC supporting details, see Table 6. For stormwater formula <br /> ca,culations, see Figure 6. <br /> In rder to recognize the significantly higher impact to the stormwater system associated with large <br /> strictures and greater amounts of impervious area, single family dwellings with a building footprint <br /> eq~al to or greater than 3,000 square feet will be charged 150% of the basic single family dwelling <br /> <br /> j~ rake. <br /> 3.~ Manufactured Home Development Rate <br /> M nufactured home developments are charged a flat rate per individual space based on the average <br /> im ervious area for a double wide manufactured home, plus any additional common area impervious <br /> su ace (e.g., clubhouse, private streets). The average impervious area for a double wide <br /> m nufactured home space in square feet is multiplied by the stormwater SDC rate per square foot <br /> to etermine the Stomiwater SDC flat rate per manufactured home park development space. Other <br /> im ervious features will be measured separately and charged at the stormwater SDC rate per <br /> sq are foot of impervious area. The current stormwater system supporting details for manufactured <br /> ho a park developments can be found in Table 6, sections 3 and 4. <br /> 4. Commercial, Industrial and Other Rate <br /> F r all uses not listed in paragraphs 2.0 and 3.0 above or when ever this Appendix E makes <br /> re rence to a rate per square foot, the stormwater SDC collected is determined to be the current <br /> St rtnwater SDC rate per square foot of impervious area as adopted in the current SDC fee schedule <br /> to ted in Appendix G. <br /> 5. stormwater Impacts Not Attributable to Impervious Area <br /> F all uses not listed in paragraphs 2.0, 3.0, and 4.0 above, where any development type creates <br /> an impact through discharges to the public stormwater system, as allowed by EC 6.610, which are <br /> n t attributable to creation or modification of impervious area, will have SDCs calculated by <br /> ev lusting the equivalent impervious area which would generate a similar impact. <br /> 6. stormwater System SDC Impact Reduction Criteria <br /> R duction or elimination of stormwater which otherwise would be discharged into the public <br /> st rmwater system may result in a corresponding reduction of stormwater SDC collected at the time <br /> of building permit issuance. Reduction of the stormwater SDC will be proportional to the reduction <br /> of runoff entering the public system from the fully-developed site. (Note: detention facilities are not <br /> eligible for stormwater SDC impact reduction.) A 100% reduction in the stormwater SDC will be <br /> <br /> ,III gr nted only for the complete containment and management of all runoff from the site that would <br /> <br /> I~ <br /> March 01, 1997 Methodologies: City of Eugene SDCs Page E-4 <br /> <br />