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TABLE 6 <br />Stormwater Drainage Systems Development Charge Analysis <br />~ 1. Analysis of Stormwater Drainage System Value I <br />Total Re lacement Cost -Pie $72,259,689 <br />Total Re lacement Cost - O en Channel S stems $20,303,830 <br />Total Re lacement Cost -Other Stormwater Com onents $23,647,185 <br />~ 2. Analysis of Assessable Cost <br />Assessable ortion of i ed s stem $47,227,719 <br />Assessable ortion of o en channels $0 <br />Assessable portion of other system components $18,346,066 <br />3. Stormwater S stem Calculation Details <br />Sin le-Famil Dwellin SFD avera a lot size in cit limits 9,200 s . ft. <br />Residential Runoff Coefficient 35 ercent <br />Avera a Manufactured Home Parks ace size double wide 1,684 s . ft. <br />Total Develo ed Acres inside Cit Limits 12,653 Acres <br />Total Number of Acres of Im envious Surface 7,868 Acres <br />4. Calculation of SDC <br />Non'-Assessabl+s+ Gost ', ( $50:~68~,~'19 %>~ <br />Cost er Acre [ $50,636,919 / 7,868 ] $6,435.81 <br />Cost er S uare Foot ($6,435.81 / 43,560 ] $0.148 <br />Cost er SFD flat rate [ 9,200 x 0.35 x $0.148 = $476.00 rounded ] $475.74 <br />Cost er Du lex flat rate [rate for SFD x 2 = $951.00 rounded ] $951.48 <br />Cost er SFD = or > 3,000 buildin foot rint [ $475.74 x 1.5 ] $713.61 <br />Cost er Manufactured Home Park S ace [ 1,684 x $0.148 ] $249.23 <br />City of Eugene SDC Methodology Stormwater, Page D-3 <br />