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<br />(b) Exceptions include natural areas that are left undisturbed. <br /> <br />5. Parking Lot Landscaping. All parking lots are required to provide internal <br />overstory tree plantings in an effort to shade parking surfaces and provide visual <br />relief. Plantings are required at the following minimum schedule. The planting <br />schedule is established to provide an acceptable number of plantings that may be <br />planted in regular symmetrical patterns or irregular clusters or groupings. <br /> <br />(a) 1 tree per every 10 parking spaces. <br /> <br />(b) Every overstory tree planting shall be provided with a planting area of <br />162 square feet. <br /> <br />(c) Acceptable ground cover materials include sod, mulch, and other natural <br />ground cover. Landscaping rock and plastic underlayment is not <br />allowed. . <br /> <br />(d) All parking lot planting areas shall include underground irrigation <br />systems. <br /> <br />6. Bufferyards. This section are intended to be minimum requirements to achieve <br />screening between differing uses with varied intensities and impacts that are riot <br />always complementary when adjacent to one another. When a bufferyard is <br />required under this section, the yard space and planting requirements are not to be <br />reduced for other purposes such as future parking and driveways, building <br />expansions, or other activities that are not in keeping with the purposes of <br />buffering and screening. <br /> <br />(a) Bufferyards are intended to provide additional screening of <br />businesses that are adjacent to residential areas. The following table <br />details the width of the bufferyard along the common adjacent <br />property line. An additional increase of landscape plantings would be <br />required in the bufferyard. That increase is expressed in the table <br />below as a percentage of the total required site landscaping. <br /> <br /> Existing Adjacent Development <br /> R-l R-2 R-3 <br /> B-1 <br />..... Bufferyard width 40ft 30ft 20ft <br />'"e 5 <br />~ e % Increase in plantings 25% 20% 20% <br />o ~ required <br />~o <br />0- <br />... Q,l B-2 <br />~ t <br />~ Bufferyard width 50 ft 40ft 30 ft <br /> % Increase in plantings 30% 25% 20% <br /> required <br /> <br />-174- <br />