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•�he actual contours for the swale and how they relate to the <br /> a�l�� surrounding topography should be shown. ' <br /> �r�� `1J5�Lr�� Ve etated swales are to be desi ned with a minimum freeboard " - <br /> y�� ��� S�� ofg0.5 feet above the maximum design depth. <br /> Y��J'� � <br /> City standards require the entire associated side slope of <br /> �� the swale, from the bot=om of the swale to the top of the <br /> , � !'e adjacent bank, to have a maximum slope of 3: 1 unless <br /> ��� a� rockeries or retaining walls are used. Rockeries or <br /> U,k�' • retaining walls may be used to provide the vertical drop ! � <br /> � ��`r5 necessary to meet the swale side slope requirements, but the `�� <br /> ��� rockery or retaining wall may not be used to provide the <br /> required 0.5 vertical feet of freeboard. <br /> The maximum design depth of flow in the swale should be <br /> shown on the swale cross-sectional detail. <br /> Wetoond• <br /> � Rip-rap should be placed from the inlet to the bottom of the <br /> pond. At the end of an extended dry period and/or lsefore r� <br /> the pond bottom seals, the water level in the pond can be <br /> significantly lower tha., the design level and erosion can <br /> occur at the inlet area. <br /> The elevation of the overflow spillway midway along the <br /> eastern wetpond wall should be called out. T"- ^' *� n <br /> � ,a s.e cl ;aht�v ti • r.e.._ <br /> �^" --r, -o�-t-�e-overflow <br /> st - asin. �%'� _ <br /> n�fk�� oil/water seoarator: <br /> �e,hh�-�a� �( A detail of the vault should be included on the plans � <br /> � �` clearly showing the inlet and outlet elevations of the <br /> Y-�,cJ W,F-�k���5 separator, the elevation of the bottom of the separator, and <br /> i5s�e } VU � the position and height of interior baffles. <br /> �,esPe` �P �� � <br /> �3���'tir ���outletparato��PouSd be �l��a mathbe !�l�lw {- �-oe:,ernc�e � v, r�- <br /> S�Pv�.;o�� o^ �.�Iccatv��n.,Fttu 54andpYus, w.dL.nest�i4t�--Iv �'trut 3ccess ho�Z . oj• <br /> �-d�� �;�'er The oil/water separator maintenance notes from section � <br /> , � „y 4.11.1 of the City of Everett Design and Construction <br /> ��' �n��� Standards and Specifications need to be included on the <br /> �IU''� drainage plans. <br /> Diversion structure: <br /> If the plans are changed to propose a bypass system for the <br /> oil/water separator and swale system, the following comments <br /> are typical. <br />