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<br /> ' ~ TABLE 6 <br /> _ Stormwater Drainage System Development Charge Analysis <br /> ~f <br /> 1~ Analysis of Stormwater Drainage System Value <br /> Total Replacement Cost -Pipe $72,259,689 <br /> Total Replacement Cost -Open Channel Systems $27,687,041 <br /> Total Replacement Cost -Other Stormwater Components $32,246,161 <br /> ~ `,Total Replacement Cost of Stormwater System $132,192,8 <br /> 91 <br /> Analysis of Assessable Cost <br /> Assessable portion of piped system $47,227,719 <br /> Assessable portion of open channels $0 <br /> Assessable portion of other system components $25,017,363 <br /> ~~'otal`A~sessable Cos# ~~n ~,o,t~"~s .$72,245,082 <br /> t54.._ <br /> 3 Stormwater System Calculation Details <br /> Single-Family bwelling SFD) average lot size in city limits 9,200 sq. ft. <br /> Residential Runoff Coefficient 35 percent <br /> Average Manufactured Home Park space size (double wide) 1,684 sq. ft. <br /> Total Developed Acres inside City Limits 12,653 Acres <br /> Total Number of Acres of Impervious Surface 7,868 Acres <br /> Calculation of SDC <br /> J <br /> \rri. ; an)%' i¢l.~e YT?:~k~~' ~')f4~s j ~s~. i ~ r:)'? <br /> ,.f• <br /> ~ ~ .i`GY:~h4 K q l S:. ~tu~u v?.~~57lr1 v` trt„~r~ ~¢"li:it+~~h( J' ~ Y',w4~i,}rrh:' l~ W~t f4 .}k' '.r. xf. fid"J *2. f.,. <br /> ? ~:~Oii'/~~Se8$f~~[~~"ioSt '~'~.~sljr 4J~r~ Sj 4 / ;~a t~ {r,~ lt~r"L.. c Fla Iw ' ~ 1 <br /> ~5 T,810 <br /> Cost per Acre ~ [ $59,947,810 / 7,868 ] $7,619.19 <br /> Cost per Square Foot [ $7,619.19 / 43,560 ] $0.175 <br /> ~ Cost per SFD flat rate [s,2oo x o.35 x $0.175 =$563.00 rounded ] $563.22 <br /> Cost per Du lex flat rate [rate for SFD x 2 = $1,126.00 rounded ] $1,126.44 <br /> Cost per SFD = or > 3,000 building footprint [ $563.22 x 1.s i $844.83 <br /> Cost per Manufactured Home Park Space [ 1,ssa x $0.175 ~ $294.70 <br /> 'I , <br /> i <br /> Proposed Methodologies: City of Eugene SDCs (Effective March 01, 1997) Page E-3 <br /> <br />