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i � <br /> � <br /> � <br /> � �� I <br /> m � � ' { <br /> 4y" H <br /> t' Hxp� <br /> yxH � <br /> fC C] I <br /> y � 6CT 2�1 '68 14�16 DHVIu EVWJ� 8, RSSOCIATES BELLEVU P•8�17 � <br /> '+7 H M <br /> V+ H <br /> � 2p <br /> HC � <br /> ��'O I <br /> g p simi]ar conceptual mitigation plan has been proposcd for the Krane G�eek Subdivision <br /> in Partland, Oregon. The attached figures and list of sui�able plan� species illustrates how <br /> � y � thesz concepu wuuld be developed. I <br /> HH <br /> gd y The use of open drainage swales and the pond woutd improve water quality in several ways. <br /> � � T'he provision of a veg�ta�ed swale and pon� edge will enable plants to adsorb (trap) <br /> �i y� sedimenu and pollutauu, and absorh (upcake) nutrieau. The pond will help to wntrol <br /> y o �, storm water flows and aliow suspcnded sediments to setde out. These �pects of tha <br /> midgadon plan should provide wuter qualiry improvemenu downstream to Silv�r Lake. i <br /> Mitiga}.ion guidelines aze recommended for any project planning that ir_volves wedand � <br /> enhancement, restoracion, and creauon. Specific requu'ements aTe acsociated with � <br /> mitiga4ion plans to ensure their succassful implementatioa T'he miagation componenu <br /> � needed when the wedand design stage is to be implen�ented include coas�rucuon <br /> management, performance sta�idards, a monitoring pragram, and a couungency plan. , <br /> ;� � <br /> I �' <br /> � <br /> � i <br /> � ��� • <br /> i 1 <br /> '�s <br /> 1 � � <br /> � 1 ' <br /> ,� <br /> . �'�� F., ' � ; . <br /> I <br /> I 'e t.:� . . I <br /> i <br /> ��� � <br /> . � <br /> � <br /> ��. <br /> , , <br /> � <br /> � <br /> � ► <br /> � <br />