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� <br /> binckberry lRubus ao• ) , Scot's btoom ICrtisua acooari +•) <br /> vith salmonberzy (jtu�us s��ctabi�ig) , a variety of qrass�s, <br /> and Canadian snsacle tC�rssu�axv��ge� , The w�tland portson <br /> ot ch• ar�a wsll b� l�tt flat-aottom�d to Drovide masimum <br /> recention aad us• the limited amotu►t of wac�r irom tooitops <br /> to provide staadZnp Wat�r condataona ror lonq eaouph p�riods <br /> oL �ime co sua�ain w��land veq�taLion that has been <br /> propramm�d for th� area. <br /> TAe w�tland portion of tne mitigatiun ar�a as <br /> reccanqular, parallelanq Caaino Read to the aouth. Pne 1800 <br /> squarr teet, a l.�:i ratio anerease in weclands over the <br /> existina wetlnnd. Nas calculatea from tne stralqhs slaea <br /> reccanqte Lor ease �n Clalanlnp ana cilcula[Snq tA! <br /> 5lCDaCKS . A lOM area 9LLttOl1AG1Ay th1S ilCL�AqI! Mi5 createa <br /> �iicn meanaarea edoss to provia� ancreaa�n nivsrsity ana co <br /> mee� tu• r�eommeadasions oi cne �aty oi Ev�ract. •pbe <br /> weclana portion of cne mitipation area is a mor� open <br /> emerqent marsn habitac tnan occurs in the esascino wetland. <br /> Thas type of a system waa deaiqn�a to increue �he diveraity <br /> ot che w�tland auffer comhiaation, therecy ancre�ainp the <br /> aioloqical values of che combined component. <br /> The City of Everect '� wetland conditions tor this <br /> pro�ect r�quir• a wetland oi qreat�r value than the existinq <br /> wetland. Methods for increaainp values are (1) increaee <br /> standinq water duration. (2 ) increasc diversity, and (3) <br /> increase the site. This desiqn plan accomplishea two of <br /> tr:ese threa by increasinq the sise 1.5 times and increasinq <br /> �ne 11VlISlCy LhtOLLQh use os an emerQenc/prass maran in the <br /> watlana component and a shrub/tree buis�r componenL <br /> surroundinq the wetland. I[ does not meec the incre�s�d <br /> water sinc• tha Ci�y oi Ev�r�tt ha8 • restrict�e sursaca watar <br /> runoii to shose wa`�ers coilected trom tne roottop�. <br /> Th• w�tlana portion ot th• mitip:tion ar�a wiai include <br /> a 1 toot d�ad-watar storapa araa anicn will ba cr�atea by a <br /> i Yoot AiQn prass berm a1cnQ the weat eaqe at [his portion <br /> os cne weclana�busier area component. The 1 ioo[ berm wall <br /> ( '_ ) alloW star.ainq wat�r to accumulace and ne retained <br /> rritnin tne weciana porticn oi the mitiqataon area tor <br /> extended pe n oas of cime nurina the ainLer and early a�rinq <br /> montns rnd l2 ) extend the saturation perioas in the marsn <br /> ao�tom soila azter snort-cerm rain even�s in iate spcinq <br /> s�:.^mer and early fali . <br /> The buEier slopes surroundinq the wetland Vortion of <br /> ti.e micivaLion component will be slopea witn fill ex�endiaq <br /> trom tne •xiatinq surzace el�vation upward to the propon�d <br /> buiidina •l�va�ion. These alopas pcovid• optimum veqetative <br /> arowina coiiaiticns. The bufter surroundinp the wecland �.�ill <br /> be planted with a rtu:ed nhrub/tree component. Ic wili <br /> 2 <br />