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� � 5 <br /> p� a <br /> C M <br /> �H5fn <br /> HZH <br /> fC C� <br /> H �1 r, <br /> "�OH �tl ' <br /> �p��H <br /> O 1-+ <br /> � �g „ <br /> �w � <br /> l�y� The planting plan is included as a Landscape/Wetlan <br /> t Mitigation Plan Drawing. <br /> 4 <br /> HH <br /> y <br /> � d y 8. fiydrology. � <br /> t� �' <br /> �7 The wetland area will receive storm water xuno[f from the <br /> H o� majority o f t h e s i t e . The water will be focused through <br /> qrass-lined swales which will be constructed outside the <br /> confines of the retention pond/wetland (SD-1 , Sort on o D any <br /> a, The grase-lined ewales will remove a major p <br /> parking lot residues or sed:ments before they enter into the <br /> wetland. All waters will pass through oil separators prior to <br /> entering the grassland swales to reduce the potential of oil <br /> and grease reaching eitheSomeeroofltoprwater willnbe <br /> •- mitigation area (SD-4 ) . <br /> discharged directly into the wetland to pl lking lot <br /> possibility of their being contaminated by p <br /> '�' materials. <br /> , ' �. With the berm set at elevation 561 .5 the waters will <br /> enter the site filling the lower portions in the southern edge <br /> '�' of the wetland f.irst. As the water increases in depth, it <br /> ' ' will back throuqh the elevati,00f the buffer planting and <br /> � irrigation system for the periphery <br /> '�' "' for the trees in the elevation 564 and 565 areas . Durinq <br /> t ' periods of heavy rain, the waters have the potential to <br /> � increase to elevation 566 and remain there until the water is <br /> '_' metered out through .the reduced sized culvert under Casino <br /> ' Road . With the flooding and reduced rate of release, any <br /> "' sediments that may reach the area during heavy storm perioda <br /> � will be precipitated out into the lower reaches of the wetland <br /> !; prior to their leaving the site in the storm drainage system. <br /> '-' By providing this element, the wetland mitigation area <br /> " will act as a secondary purifier for the water prior to it <br /> �' enter.ing the city storm water system. This will reduce some <br /> pressure on the downstream wetlands that have been ddischaryed <br /> separate out sediments prior to the water being <br /> .. <br /> into "Waters of the state" or "Waters of the United States" . <br /> 7 <br />