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<br />Subd. 6. <br /> <br />-24- <br /> <br />c. Acceptable ground cover materials include sod, mulch, and other <br />natural ground cover. Landscaping rock and plastic <br />underlayment is not allowed. <br /> <br />d.. All parking lot planting areas shall include underground <br />irrigation systems. <br /> <br />5. Bufferyards. Bufferyards are intendedto 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 property <br />line. An additional increase of landscape plantings would be required in <br />the bufferyard. That increase is expressed in the table below as a <br />percentage of the total required site landscaping in the setback area. <br /> <br />;~~\\(JJi~~W~~i~~~~;\jExj~tiii""t8d'1f~~t~11~x~fo"'m'€l1f!it1~'!~Mi~ili1{~~1f~, <br /> <br /> <br /> R-1 R-2 R-3 B-1 B-2 <br />E-2 <br />Bufferyard 60 feet 60 feet 60 feet 35 feet 35 feet <br />width <br />% Increase 30% 30% 30% 20% 20% <br />.. in plantings <br />re uired <br /> <br />d. Grading. <br /> <br />1. Final slope grades shall not exceed 3.5:1 unless terracing of <br />retaining walls is approved. <br /> <br />2. Berming for parking lots and open space areas shall not exceed <br />3:1. <br /> <br />e. . Off-Street Loading: All off-street loading docklberth areas shall be a <br />minimum of 50 feet in length and there shall be at least one docklberth <br />for the fIrst 10,000 square feet of floor area and one additional <br />berth/dock for each additional 25,000 square feet of floor area. <br /> <br />Architectural Standards <br /> <br />a. All exterior wall fInishes on any building shall be: <br /> <br />1. Face brick; <br /> <br />2. Stucco; <br />