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190 <br /> <br />The compliment of trees fulfilling flxe landscaping <br />requirements shall benot be [ess than 25 percent <br /> <br />deciduous and lot less than 25 percent coniferous. <br />No more than 25% of the req~ired.t/[anting's shall <br />consist of'ornamental trees. <br /> <br />One overstory tree shall be planted every 35 feet in <br />the boulevard alon~ every street frontag.e... The <br />number of overstory trees needed for boulevard <br />plantings may be deducted from the overstolW tree <br />requirement in (ii) above. <br /> <br />v. Grading. <br /> <br />Final slope grades shall not exceed o..:l unless <br />terracin~ ofretainin~ walls are approved. <br /> <br />Berming for parking lots and op.en space areas shall <br />not exceed 3:1. <br /> <br />vi. Sodding and Ground Cover. All areas not other wise <br /> <br />improved in accordance with approved site plans shall be <br />sodded. <br /> <br />vii., Irriuation. <br /> <br />All landscaping areas required under this section <br />shall include underm'ound irrigation systems. All <br />landscaping areas required under this section shall <br />include underground irrigation systems. All <br />irrigation systems must have an approved backflow <br />device installed in the irrigation enclosure. <br />Irrigation enclosure location and construction <br /> <br />materials are subject to the approval of the City <br />Engineer. Further, all new or updated systems must <br />install a Rain Sensor device to stop irrigation during <br />rain events. <br /> <br />Exceptions include landscape areas that are left in a <br />natural state. <br /> <br />ParMng Lot Landscaping. All parkinz lots are required to <br />provide internal overstor,r, tree plantinfs in an effort to shade <br />parking surfaces and provide visual relief. Pl. antin~zs are required <br />at fl:re fbl. lowinK minimum schedule. The planting schedule is <br /> <br />9-179 <br /> <br />i <br /> I <br />i <br />! <br />I <br />I <br />I <br />I <br />I <br />! <br />! <br />i <br />I <br />I <br />.I <br />! <br />I <br />I <br />I <br /> <br /> <br />