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Article 6: Development StandgV4 <br /> Section 6.15:Soil Erosion and Sedimentation Contro1268F <br /> on a tract comprising more than 20,000 square feet, if more than 20,000 <br /> square feet are uncovered, the person conducting the lard-disturbing <br /> astwityLand-Disturbing Activity shall install such sedimentation and <br /> erosion control devices and practices as are sufficient to retain the <br /> sediment generated by the ' ' Land-Disturbing <br /> Activity within the boundaries of the tract during construction upon and <br /> development of said tract, and shall plant or otherwise provide a <br /> permanent ground cover sufficient to restrain erosion after completion of <br /> construction or development. <br /> (b) ExGept as nro�-4dQd in SArtion C. 'I� 7al 308 <br /> Pprovisions for a ground cover sufficient to restrain erosion must be <br /> accomplished within 15 working days or an Galepdap days WhirhAM@ <br /> period is he timelines as specified in the most current version310 <br /> of the North Carolinas Administrative Code Title 15A Chapter 4: <br /> Sedimentation Control , following completion of <br /> construction or development. <br /> 0-0�(5)_Design Storm <br /> (a) Except as provided in Sections 6.15.7(B)(6) and 6.15.7(B)(7)-31 of this <br /> Ordinance <br /> 31� of+ho t`I(` Rrninn <br /> G opt rQI_3M4-a P1,64, <br /> erosion and sedimentation control measures, structures, <br /> and devices shall be so planned, designed, and constructed as to <br /> provide protection from accelerated erosion and sedimentation from the <br /> calculated maximum peak rates of stormwater runoff313 from the 10tea- <br /> year frequency storm. <br /> (b) offStormwater runoff rates shall be calculated according to wsi+gthe <br /> procedures in the latest edition of the United States Department of <br /> AgricultureSDA Natural Resources—S4&4--Conservation Service's "National <br /> Engineering Field Handbook 630 forMa�al for Conservation Practices," <br /> or according to other calculation procedures acceptable to the Erosion <br /> Control Officer. <br /> 0-14(Q)—Standards for High Quality Waters <br /> In High Quality Water(HQW) zones the following design standards shall apply: <br /> (a) Uncovered Areas <br /> (i) Uncovered areas in HQW zones shall be limited at any time to a <br /> maximum total area of 20 acres within the boundaries of the <br /> tract. Only the portion of the Land-Disturbing Activity within a <br /> HQW zone shall be governed by this section. <br /> T&M sefTestie^—@^.^.^^. a.s <br /> 310 For ground cover requirements -cC-onsistentreference to "most current version"of the NC Administrative Code <br /> Title 15A Chapter 4: Sedimentation Control. <br /> 311 Text correction—added a space. Reference to the sections specificto additional requirements for projects in <br /> HWQ and Fal Is Lake Watershed areas. <br /> 313 Consi stent use of"stormwater runoff"—NOTE.the use of"stormwater runoff"is implemented through <br /> remainder of Section 6.15,as applicable. <br /> Orange County, North Carolina— Unified Development Ordinance Page 6-125 <br />