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TABLE 12 <br /> Stormwater Drainage Systems Development Charge Analysis <br /> 1. Existing Stormwater Drainage System Value &SDC-Eligible Costs (Reimbursement Fee) - <br /> Total Replacement Cost -Existin Pipe System $222,748,229 <br /> Total Replacement Cost -Existing Open Channel Systems $63,671,322 <br /> Total Replacement Cost, Existin (Re iacement Cost New) $286,419;551 <br /> Percent of Existin Pipe S stem to be Used b New Development 4.27% <br /> Percent of Existin Open Channel s stem to Used b New Development 2.34% <br /> Total SDC-Eli ible Cost -Existin Pipe* $9,511,350 <br /> Total SDC-Eli ible Cost -Existin O en Channel S stems* $1,489,909 <br /> Tofal SDC-Eligible Cost, Existing-System $11,001,258' <br /> * Based on percenYavailable capacity pgr hydraulic model <br /> <br /> 2. Future Stormwater System SDC-Eligible Project Costs (Improvement Fee) <br /> Total Est. Cost, Future S stem (SDC=Eli ible Pro~ects) (From Table 13) $27,157,634 <br /> SDC-Eli ible Portion of Pro~ect Cost, Future S stem_ (From Tonle 13) $12,113,585 <br /> 3. Stormwater System Calculation Details <br /> Sin le-Famil Dwellin (SFD), estimated avers a impervious surface area <br /> Small Residential (building footprint < 1,000 sq. ft.) 1,800 sq. ft. <br /> Medium Residential (building footprint >1,000 sq. ft. and < 3,000 sq.ft.) 2,900 sq. ft. <br /> Mf .Home Park Space, estimated avers a impervious surface area 1,780 sq. ft. <br /> Total Additional Impervious Surface Area within UGB build-out 155,770;560 s . ft. <br /> <br /> 4. Calculation of SDC* _ _ _ _ <br /> Unit Cost per Square Foot, Improvement Fee [$12;113,585 / 155,770,560] $0.0778 (53%) <br /> Unit Cost per Square Foot, Reimbursement-Fee [$11;001-258-t~55~no,5so] $0:0706 (47%) - <br /> Total Unit Cost per S uare Foot [Improvement + Reimbursement] $0:148 - <br /> Small Residential SDC (building footprint <t,ooo sq. ft.) [1,soo sq n x $0.148] $266;40- <br /> Medium Residential SDC (building footprint >1,ooosq. ft:-and <-3,000 sq.ft.)--- [2,900 sq.ft x.$0.148] $429.20 <br /> Small Du IeX SDC (unit building footprints < 1,000 sq. ft.) [$266.40 x 2] $532.80 <br /> - Medium DtapleX $DC - -(unit building footprints >1-;000 sq.-ft. and-<-3,000-sq.ft.) - 429.20 <br /> z <br /> 2) - - X8-4 <br /> Mf .Home Park SDC per Space (portion of total char e) [1,684 sq. ft. x $0.148] $249.23 <br /> *See Appendix F for complete rate schedule. <br /> <br />