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i � <br /> Mertlll �Ring Crosk Dnlmy�B�sin <br /> Besin Area 9.92 ac <br /> Precipitallon Rates: 2 year 1.55 INhr <br /> 10 year 225 INhr <br /> 100year 3.25 INhr <br /> ExisNng Time of Concentrafion 48.8 min <br /> Developed Time o(Concentretlon 13.1 min f <br /> Proposed Off-Site Area 1.80 ac -� 1 ,. 1 = <br /> I Proposed Impervious Area 8.49 ac , � 1 (,'� � <br /> Proposed Bypass Area OJO ac f,� � � � �i �U " � <br /> Targ e t R e l e a s e R a t e s: 2 y e a r f 0.0 4 c f s _� ' � G� U � ���' I ��`� , <br /> ongna �o year . ✓o.3s as '� — � U � 1 � � <br /> I 100 year �I� 1.40 cfs <br /> Proposed DetenNon Volume � /62,659 cf 2 I <br /> (using a 37.5%corcection factor) 1� � U � U � 1 `� C 4 i I <br /> ( Proposed Wetpond vo�ume: i Q c� �. � �J <br /> Open Water Cell(vauH) 17�229 � � <br /> Wetland Treatment Cell(pond) 3,041 ( � <br /> ( The above summa�zed a�alysis meets or exceeds the stream bank erosion control and runoH treatment ��C �� <br /> requirements for the City of Everett. � . <br /> ( �t 'z � <br /> v� (�-' c <br /> I � � �� <br /> � '� `` � <br /> . � , <br /> f � <br /> i <br /> I ' <br /> I � <br /> , <br /> , <br /> I <br /> I <br /> i <br /> I � <br />