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<br /> SIP Channel Enhancement C oncept (Alternat A) '.•
<br /> " Cross Section R " � ?
<br /> 2, vant tree* top �{ 1 e.lt.;. E. 19th Ave.
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<br /> ,a,.._2_,1 Y a t' v • 1 Civic I / I 'mod chen
<br /> ;7M1 r a Stadium • �,
<br /> Notch channel bottom / ..� 1 -`
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<br /> Proposed Enhancements: w„, „Y M - r _ Middle
<br /> r t • Notch the bottom of the concrete lined channel in order to concentrate low flows to prevent - i t , , Schools.
<br /> heating of water and formation of algae mats during the summer months (notching can meander — �; a .
<br /> within the channel bottom) 7 i !'" _ '' . ^ r '
<br /> • • Retrofit the concrete drop structure at 24th Avenue to better allow fish and turtle migration. F .,_\ I , L . , ® r n
<br /> • Plant trees and shrubs along the to of the concrete channel where feasible to provide additional , l ' ; , E ° f " e _
<br /> shading. i y,y III
<br /> as
<br /> Enhancement Concept Diagram Legend
<br /> Amazon Creek (Reach 3)
<br /> "% Amazon Creek
<br /> 24th Avenue to Jefferson Street: Alternative A
<br /> — Tax Lot Lines
<br /> �� Parks or Land in Public Ownership
<br /> M ETRO wATeK1wAvs P Existing Stormwater Outfalls 30" or Larger
<br /> 1111 Arca of Proposed Channel Bottom Enhancements
<br /> Waterway Assessment Results
<br /> Amazon Creek Physical Water Natural total
<br /> • (24'" to Jefferson) Condition Quality Resources Recreation Pointe / \ Index Map
<br /> Highest P Bible Score 40 40 50 30 160 ,
<br /> Edsung Score 8 4 14 3 29 i
<br /> Protected Score' 10 9 18 3 40 .'^..t..: - ♦ ft • Amazon
<br /> ■ 404 •• --{t�� Planning
<br /> `Projected score is based on successful implementation of the enhancements � - r_ Aroa -
<br /> proposed in the alternative shown. - I, 55
<br /> N m
<br /> 0 200 400 Feet Draft: June 2008 t "�
<br /> w E Scale Produced by LCOG Amazon Creek at 24th (looking north) N Sit
<br /> 5
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