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TABLE 6 ' <br /> Stormwater Drainage Systems Develo»ment Chace Analysis <br /> 1. A~ sis of Stormwater Drains e S stem Value <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 /> Total'Replacement Cost of Stormwater System $11fi,21.0,704 <br /> 2. Anal sis of Assessable Cost <br /> Assessable ortion of i ed s stem $47,227,719 <br /> Assessable ortion of o en channels $0 <br /> Assessable ortion of others stem com onents $18,346,066 <br /> Total Assessable Cost _ $15,573,785 <br /> <br /> 3. Stormwater S stem Calculation Details , <br /> Sin le-Famil Dwellin SFD avers a lot size in ci limits 9,200 s . ft. <br /> Residential Runoff Coefficient 35 ercent <br /> Avers 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 /> Nora-Assessable Cost _ _ $50,63fi919 . <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 /> e~ <br /> City of Eugene SDC Methodology Stormwater, Page D-3 <br /> <br />