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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 -Existing Pipe System $222,748,229
<br />Total Replacement Cost -Existing Open Channel Systems $63,671,322
<br />Total Replacement Cost, Existin , (Replacement Cost New) $286,4,19,551:.
<br />Percent of Existing Pipe System to be Used b New Development 4.27%
<br />Percent of Existing Open Channel system to Used by New Development 2.34%
<br />Total SDC-Eligible Cost -Existin Pipe* $9,511,350
<br />Total SDC-Eligible Cost -Existing Open Channel Systems* $1.489,909
<br />Total SDC-Eligible Cost, Existing System
<br />" Baked on i~crcent availacapacity per hydraulic model $11,001,258
<br />2. Future Stormwater System SDC-Eligible Project Costs (Improvement Fee)
<br />Total Est, Co~st,,fiFutur~ S .stem (SDC..-~lic ibte Projects) ", (Fran, Table is) $27,157;634
<br />SDC-Eligible Portion of Project Cost;.Future S s~ rn (From Tie 3) X1.2,113,585
<br />~~ "Stormwater System Calculation Details
<br />Single-Famil Dwellin (SFD), estimated average im envious 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 />Mfg. Home Park Space, estimated average impervious surface area 1,780 sq. ft.
<br />Total Additional lmperviou~S Surface Area within IJGB' (build-out) -a $ _ 155,770,560 s . ft
<br />4. Calculation of SDC*
<br />Unit Cost per Square Foot, Improvement Fee ($1.2,113,585 / 155,770,560] $0.0778
<br />Unit Cost per Square Foot, Reimbursement Fee ($11,001,258 / 155,770,560] $0.0706
<br />Totat Unit Cost per.;Square Foot [Ir1~pr~ovement + Reirnbursem~e,nt] $0.14;x:
<br />Small Residential SDC (building footprint < 1,000 sq. ft.) [1,800 sq. ft. x $0.148] $266.40
<br />Medium Residential SDC (building footprint >1,000 sq. ft. and < 3,000 sq.ft.) [2,900 sq.ft x $0.148] $429.20
<br />Small Duplex SDC (unit building footprints < 1,000 sq. ft.) [$266.40 x 2] $532.80
<br />Medium Duplex SDC (unit building footprints >1,000 sq. ft. and < 3,000 sq.ft.) [$429.20 x 2] $858.40
<br />Mfg. Home Park SDC per Space (portion of total charge) [1,ss4 sq. ft. x $o.1as] $249.23
<br />*See Appendix F for complete rate schedule.
<br />(53%)
<br />(47%)
<br />City of Eugene SDC Methodologies Stormwater, Page D-5
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