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214 <br /> <br />ii. Final slope grades shall not exceed 3.5:1 unless <br /> terracing of retaining wails are approved. <br /> <br />iii. Bermina for parkilm lots and open space areas shall' <br /> .not exceed 3:1. <br /> <br />Sodding and Ground Cover. All areas not other wise <br /> <br />improved in accordance with approved site plans shall be <br />sodded. <br /> <br />Irrigation. <br /> <br />All landscaping areas required under this section shall <br />include undemround irrigation systems. All irritzation <br />systems must have an approved back~]ow device <br />installed in the i:rri~.ation enclosure, hTigation <br /> <br />enclosure location and construcdou materials are <br /> <br />subiect to the approval of the City Engineer. Further, <br />ali new or updated systems must install a Rain Sensor <br /> <br />device to stop irri~ation during rain events. <br /> <br />ii. Exceptions include landscape areas that are left in a <br /> natural state· <br /> <br />Parkin~ Lot Landscaping. AJI partci¢fz lots m'e required to <br />provide internal overstorv tree p].a~_L-tti~!g~s in an effort to shade <br />parkina surfaces and provide visual relief. Plantings are required <br />at the fbllowing minimum schedule. 'l'he plant[n~ schedule is <br />established to provide an acceptable number of plantings that <br />may be planted in regular sv~rmletrical patterns or h'rea'ular <br />clusters or groupings., <br /> <br />a. 1 tree per every t 0 parkina spaces. <br /> <br />Every overstorv tree planti~3g sinai] be provided with a <br />plantin~ area of 162 square I-'eel. <br /> <br />Acceptable ~ound cover materials include sod. mulch <br /> <br />and other natural ground cover. Landscapin~ rock and <br />plastic underlavment is not allowed. <br /> <br />All parking, lot planting areas shall include underground <br />lrmzatlon systems. <br /> <br />F~¥2l(;ymcr:! Di,;';r?,'s ?,¢c,'ch '05 dr~zft <br /> <br />9-190 <br /> <br /> <br />