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Example: Under the current fee structure, an SDU is charged slightly less than a standard single- <br />family dwelling. SDUs are typically smaller in size having less impact on sanitary and storm <br />infrastructure than a typical single-family residence. Restructuring of the SDCs can better <br />recognize the reduced impacts of SDUs and result in an increase in the frequency that they <br />occur. The additional dwelling unit is accommodated without additional land demand. <br />Timing: Systems Development Charges (SDC) costs are currently under review (2016). SDCs for <br />each type of system (e.g. transportation, wastewater, stormwater, parks) will be reviewed <br />separately over the next few years. <br />➢ Efficiency Gained: 84 dwelling units of Low Density Residential.4 <br />3. R-2 Medium Densitv Residential Zone Code Amendments <br />Applicability: Increase the minimum density required in the R-2 zone. Applies to land zoned R-2 <br />Medium Density Residential or that is designated Medium Density Residential and could be <br />rezoned to R-2. <br />Assumptions: The R-2 zone allows a minimum density of 10 dwellings per net acre.' Review of <br />the average densities seen on Low Density Residential land in the 2012 residential land supply <br />analysis showed that single-family detached housing is the lowest density housing type seen on <br />Medium Density Residential land at 7.9 dwellings per net acre. Increasing the required minimum <br />density would raise the average density of lower density homes (e.g. single-family detached <br />homes), thereby increasing the overall average density seen in Medium Density Residential. <br />Analysis: <br />Average Density Needed <br />Using the Envision Eugene Land Sufficiency Model to test what average density would be <br />needed on Medium Density Residential land to accommodate the remaining medium density <br />need of 614 dwellings, the City found the average needed to be 15.4 dwellings per net acre.' <br />This can be achieved when the average density of the lower density housing types is increased. <br />When single-family detached housing is increased from 7.9 to 12.8 dwellings per net acre on <br />medium density land, the overall average density seen on medium density land increases to <br />15.4 dwellings per net acre. Again, using the Envision Eugene Land Sufficiency Model, when an <br />average of 15.4 dwellings per net acre is assumed on medium density residential land, the <br />projected capacity on vacant and partially vacant MDR land is estimated to increase by about <br />630 dwellings. <br />The City also identified some exemptions to the new density to allow smaller vacant or partially <br />vacant lots to develop with single-family detached at the lower densities we are currently <br />'Changes in SDCs would clearly boost the number of SDUs seen in LDR annually. However, this efficiency measure <br />is not necessary to meet the City's residential needs as there is a surplus in LDR excess of the 84 dwellings gained. <br />5 "Net" density is the number of units per acre excluding non -buildable land such as land for roads. See Eugene <br />Code Chapter 9 for definition. <br />' For more information on the analysis associated with this measure, see the Technical Support portion of public <br />record. <br />Residential Land Supply Study I Final Part IV — Page 7 <br />