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30th Ave Enhancement Concept Diagram • Amazon Creek (Reach 2) <br /> 1 a a1 E v ... „, r � „ Fox Hollow Road to 30th Avenue: Alternative B <br /> l <br /> 0 <br /> rep � e . I I T *y ,P + METRO WArritum vs <br /> ^,: 11 1 <s ) ,_ 1 l c • 1 <br /> . ` ` . 11 ti x - - e Waterway Assessment Results <br /> p 4' 6 ♦F I¢ ® - '� Amazon Creek Physical Water Natural Total <br /> t"' • 3 2nd Ave. - ` <br /> (Fox Hollowto 30th) Condition Quality Resources Recreation Prints • <br /> 1 4 '} �-= r -- Highest Possible Score 40 40 50 30 160 <br /> 1 — E ng 0core 22 15 24 22 83 <br /> r w Projected Score - 24 31 37 26 118 <br /> 33rd A.e. <br /> - \ 41P ' Protected score 18 based on successful implementation of the enhancements <br /> L l ` \ 3 i ille ti t proposed in the alternative shown. <br /> 4 1. r a• - • \ 10111107s1114- ` Proposed Enhancements <br /> 9 • Control exotic vegetation along entire segment (blackberry, <br /> \\ \\ a ._ , 1 English ivy, and other invasive species) <br /> 4 � "" ° r ` a' • Enhance prairie plant community in non - forested areas <br /> h awry NJ N not \\ . I <br /> 3 f 41/4 e w ` ; r. " • Retain running trails <br /> .r 1 • Widen channel along the entire segment, creating side <br /> "" m \ \� a channels and a wetland bench in the channel bottom. <br /> 4 Restore wetland and riparian vegetation following channel <br /> 1, ' o \ �kkra� it N <br /> y 1 ap . widening for habit and water d uality (shad and filtra <br /> P <br /> ,,,, . \\ \ i . 11 ; •Pull b culvert to crea open waterwa where possible <br /> 101,n , ! t� ° ro �. de re »m a iR. e r and retrofit stormwater outfalls with stepped structures to <br /> I "1 M� _ _ _ 1 ` dissipate energy and reduce erosion potential. <br /> \ ,, • Add pedestrian bridges to improve east -west circulation <br /> --*/ — - -_� • Enhance riparian vegetation between 33rd and 30th Avenue <br /> - = 36th Ave <br /> i - I. — — e T i and maintain using "green pipe" technique. <br /> p - NOTE: The Tugman Creek daylIghting concept Is for future study and Is not included <br /> till \ ka.er r ^^ 1 . \ in the cost estimate or waterway assessment for this reach. <br /> nips* .ae \ t ! <br /> sell,,++ , A \ <br /> .. • � v \\ 37th Ave. cn.e„er wuanas to p Con, s�ime <br /> - 1 `* , \\ S1 f 6 <br /> � � `'(„ in ... w \ \\ �. 4 �« I � <br /> _..,_::-. l 1 . <br /> tie - -- \\ <br /> Dillar d . <br /> rd . r }'e v . \ \ <br /> a <br /> o> <br /> .°, \\ <br /> i ll1 10 1419 w <br /> oi g"itr .' - . I\ "1f)•h Ave . <br /> t. iiJ`_ . <br /> , . 111 41 1.` , ° \ \ <br /> \ \ A Ap <br /> a .. \ \ ,:- ./ <br /> �, <br /> c w 6N <br /> e m ofr Amazon Creek near 3Fyt liner ue <br /> At va,.'r,v, F0/ y o <br /> t " ° Index Map <br /> Legend " Amazon <br /> g W+-E O 200 400 Feet PlA <br /> Existing Streams and Open Waterways _• <br /> Scale <br /> Tax Lot Lines 5 <br /> City of Eugene Park Land Draft: June 2000 <br /> 1111 Channel Widening (see cross section) Produced b y iCOG —\ <br /> M1 Riparian Enhancement (plantings) <br /> Aerial Photo Base: March 2004 N r Site <br />