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v ``"' �- <br /> k „� 30th Ave. A. ' ' Enhancement Concept Diagram <br /> ;; 11 - IL Amazon Creek (Reach 2) <br /> 'p''� ' "i a Fox Hollow Road to 30th Avenue: Alternative A <br /> 1 I r° 41. ' 4 . <br /> It II <br /> mortal. n, *in ( /METRO WA1 RWA S <br /> .e w gri Nr: '. � -. <br /> 11 ' 1 I / '' r si, - 3 Waterway Assessment Results <br /> P } W ,, 1 I G ® , � •' I Amazon Creek PhysWl Water Natural Total <br /> 3 Ave. _ g <br /> (For Hollow to 30th) CondnAOn O uallty esoomes Recreation Pointe - t 5 g host P s ble Score 40 <br /> 40 50 30 160 <br /> �k 1 ' _ 1 — ' ® - , Exstng Score 22 15 24 22 83 <br /> - ' 1 1 ' <br /> 1 Pr �ected Sr,, co' 22 28 36 26 112 INN <br /> 040 1 <br /> . <br /> l '. a }-.° 'Projected score is based on successful implementation of the enhancements <br /> ' �` proposed in the alternative shown. <br /> v �� <br /> t.' h <br /> \\ , 2 S" It <br /> '' �- \\ y `r Proposed Enhancements <br /> \ \ w • Control exotic vegetation along entire segment (blackberry <br /> and English ivy). <br /> \ \\ C,; , + -* \ 1 I t • Enhance prairie plant community in non - forested areas <br /> s 4. ' \\ <br /> •Retain running trails. <br /> yk i i ` \i 1 r , ,oi • Widen channel in three locations at the largest outfalls to • ' \\ l t a reduce erosion, creating side channel and a wetland habitat. <br /> �% <br /> f Restore wetland and riparian vegetation following channel <br /> I-- { 1 ♦ . t1 ■ P e. widening. <br /> T ` \ • Pull back culverts to create open waterways where possible <br /> ` _ and retrofit stormwater outfalls with stepped structures to <br /> dissipate energy and reduce erosion potential. <br /> , '4 1 • Add pedestrian bridge to improve cast west circulation. <br /> . , ...i• Ave. i' G. • . r • • Enhance riparian vegetation between 33rd and 30th Avenue <br /> ,r } 11 I �' and maintain using "green pipe" technique. <br /> �.. I , , . i f <br /> J M � 1\ 4 'e : - r <br /> `\ 37Lh [ennel Widening Conupr Croew 5...^ � N \ \ Ave _ <br /> • w - — V A _ .. 2 1 ...�..e.., t .. <br /> . , _H , '1 W W Wis I ' . ! � 400 o 1i It i 1 1 Dill a _ rd � , W t` -.0 \ ` m. <br /> I 5 ‘' \ 1 \ 39th Ave <br /> r <br /> re <br /> ^'� ue n e <br /> ' 41 \ \ <br /> • - A ,,. i *I, ' .eV. . , <br /> / „ ° Amazon Creek near 36th Avenue <br /> 4 0 <br /> Index Map <br /> Legend ” Ama = °" <br /> 9 0 200 400 Feet Area <br /> Existing Streams and Open Waterways W +E _ <br /> Scale <br /> — Tax Lot Lines S �., <br /> City of Eugene Park Land Draft: June 2008 <br /> } Produced by LCOG " 1 <br /> 1 _.i <br /> _ Channel Widening Area (see cross section) , <br /> si <br /> - • Riparian Enhancement <br /> Aerial Photo base: March 2004 NI- Site <br />