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6 <br /> Pi Areas to which the standard applies shall include <br /> individual Lots or a new development as a whole . If <br /> applied to a development as a whole, the applicant must <br /> provide for installation and maintenance of proposed <br /> stormwater management facilities . Applicants shall be <br /> required to submit documentation which indicates <br /> compliance with the specified standard. <br /> An individual lot of 80,000 square feet or more in size <br /> created by deed or plat in accordance with Orange County <br /> Subdivision Regulations prior to the adoption of this <br /> provision shall be exempt from this requirement upon <br /> submittal of a site plan which demonstrates that the <br /> development of the property is in accordance with the <br /> intent of this provision to minimize overall site <br /> disturbance; maximize maintenance of vegetated areas for <br /> stormwater infiltration ; and protect critical <br /> drainageways and waterways from direct runoff impacts . <br /> 6 .23.8 Percentage of Undisturbed Are Reou_Latect <br /> Amended 11/20/84 <br /> va <br /> Soils which are seriously disturbed, even if <br /> revegetated , can generate nearly as much runoff as paved <br /> areas . Within Protected Watershed II districts at a <br /> minimum of the amount of undisturbed area necessary to <br /> meet impervious surface requirements provided in 6 .24.6 <br /> shall remain undisturbed during the construction <br /> process . The area to remain undisturbed shall include <br /> those portions of the lot which are most environmentally <br /> sensitive eg . highly erodible soils, steep slopes, <br /> floodplains, as well as those portions of the lot <br /> utilized for stormwater infiltration . ALL clearing <br /> limits shall be clearly marked and observed . However, <br /> no less than 50% of a lot used for non-residential <br /> purposes shall remain undisturbed . <br /> 6 .24 Ex : R: • .m:n s F. W: : r Q c • i Ar. . - <br /> Amended 20/84 <br /> 6 .24.1 M' • S' : R. • : t . • <br /> Amended 11/19/85 <br /> The minimum sidential lot size in Water Quality <br /> Critical Areas eh- _ l be -80,000 square feet . Commercial <br /> and industrial uses - a not permitted. <br /> 6 .24.2 Str. . 0 : r- Re. . ' - • tl, : C - • Ar= = s <br /> jil Amended 11/20/84 <br /> Within the Water Quality Critical ea , an area of Land <br /> along perennial and intermittent s , earns shall be <br /> required to remain in its natural state, • less the area <br /> is subject to serious erosion in which c- = e erosion <br /> resistant improvements to the vegetative cover - . all be <br /> established and maintained . Perennial streams are hose <br /> 6-31 <br /> w�' <br />