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T A B L E 8
<br />Stormwater Drainage Systems Development Charge Analysis
<br />1. Existing Stormwater Drainage System Value & SDC-Eligible Costs
<br />(Reimbursement Fee)
<br /> Total Replacement Cost - Existing Pipe System$289,860,933
<br /> Total Replacement Cost - Existing Open Channel Systems$82,855,110
<br /> Total Replacement Cost, Existing (Replacement Cost New)$372,716,042
<br /> Percent of Existing Pipe System to be Used by New Development4.27%
<br /> Percent of Existing Open Channel system to Used by New Development2.34%
<br /> Total SDC-Eligible Cost - Existing Pipe*$12,377,063
<br /> Total SDC-Eligible Cost - Existing Open Channel Systems*$1,938,810
<br /> Total SDC-Eligible Cost, Existing System
<br />$14,315,873
<br /> * Based on percent available capacity per hydraulic model
<br />2. Future Stormwater System SDC-Eligible Project Costs
<br />(Improvement Fee)
<br /> Total Est. Cost, Future System (SDC-Eligible Projects) $35,341,193
<br /> (From Table 9)
<br /> SDC-Eligible Portion of Project Cost, Future System $15,763,679
<br /> (From Table 9)
<br />3. Stormwater System Calculation Details
<br /> Single-Family Dwelling (SFD), estimated average impervious surface area
<br /> Small Residential 1,800 sq. ft.
<br />(building footprint < 1,000 sq. ft.)
<br /> Medium Residential 2,900 sq. ft.
<br />(building footprint >1,000 sq. ft. and < 3,000 sq.ft.)
<br /> Mfg. Home Park Space, estimated average impervious surface area1,780 sq. ft.
<br /> Total Additional Impervious Surface Area within UGB (build-out)155,770,560 sq. ft.
<br />4. Calculation of SDC*
<br /> Unit Cost per Square Foot, Improvement Fee $0.1012
<br /> [$15,763,679 / 155,770,560]
<br /> Unit Cost per Square Foot, Reimbursement Fee $0.0919
<br /> [$14,315,873 / 155,770,560]
<br /> Total Unit Cost per Square Foot [Improvement + Reimbursement]$0.192
<br /> Small Residential SDC $345.60
<br />(building footprint < 1,000 sq. ft.)[1,800 sq. ft. x $0.192]
<br /> Medium Residential SDC $556.80
<br />[2,900 sq.ft x $0.192]
<br />(building footprint >1,000 sq. ft. and < 3,000 sq.ft.)
<br /> Small Duplex SDC $691.20
<br />(unit building footprints < 1,000 sq. ft.)[$345.60 x 2]
<br /> Medium Duplex SDC $1,113.60
<br />[$556.80 x 2]
<br />(unit building footprints >1,000 sq. ft. and < 3,000 sq.ft.)
<br /> Mfg. Home Park SDC per Space (portion of total charge)[1,684 sq. ft. x $0.192]$323.33
<br />*See Appendix F for complete rate schedule.
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