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<br />Subsection 9.20.27 (H-l Highway Business District) Subd. 4 (Standards) <br /> <br />a. Bufferyards. are intended to provide additional screening of <br />businesses that are adjacent to residential areas. The following <br />table details the width of the bufferyard along the common <br />adjacent property line. . An additional increase of landscape <br />plantings would be required in the. bufferyard. That increase is <br />expressed in the table below as a percentage of the total required <br />site landscaping. <br /> <br /> Existln2 Ad,iacent Develonment <br /> .. R.l R-2 R-3 <br /> ... B-1 <br />"0 = Bufferyard width 40ft 30ft 20ft <br />~ <br />,~ sa % Increase in plantings 25% 20% 20% <br />~ <br />0 Q.c required <br />Q.cO <br />o'W B-2 <br />a.oc > <br />~ ~ Bufferyard width 50 ft 40 ft 30 ft <br /> ~ . % Increase in plantings 30% 25% 20% <br /> required <br /> <br />b.. As an alternative method for screening, fences that are 100 <br />percent opaque may be used to mitigate the impacts, of businesses <br />that are adjacent to residential areas.. Fenc~s shall be'subject to the <br />provisions found in Section 9.11.17. When a fence is used .for <br />screening purposes, the bufferyard planting requirements may be <br />reduced by 10 percent from the stated minimum requir~ment. <br /> <br />o. Grading. <br /> <br />1. Final slope grades shall not exceed 3.5: 1 lUlless terracing of retaining <br />'.valls is approved. <br /> <br />2. Berming for parking lots and open space areas shall not exceed 3: 1. <br /> <br />p. Sodding and GW:..md Cover. 1....11 areas not other wise improved in accordance <br />'.vith approved site plans shull be sodded. Any alternative to the sod <br />requirement shall req'..lire City Council approval. <br /> <br />q. .. lITigation. <br /> <br />1. AJ.llandscaped and sodded [u'eus required under this section <br />shull include underground irrigation systems. <br /> <br />2. Exceptions ir..clude landscape arcus that are left in a nat'..lral <br />state-: <br /> <br />50 <br />