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Article 6: Development StandgM <br /> Section 6.15:Soil Erosion and Sedimentation Contro1268F <br /> Rese,Kses-. <br /> adjaGent to designated trtalut Wate rs that Will G-2 1160 adverse temperature <br /> fluctuations, as set forth in IS- NICAC 2R 0211 Frash R-m-far-a IA12tor <br /> Classification and Standards, inthese WiltGA; <br /> (74(Z Graded Slopes and Fills <br /> (a) The angle for graded slopes and fills shall be no greater than the angle <br /> which can be retained by vegetative cover or other adequate erosion <br /> control devices or structures. <br /> (b) Slopes left exposed shall, within 21 c;alepdar days of Gornpletion of any <br /> phase of _be planted or otherwise provided with ground cover, <br /> devices, or structures sufficient to restrain erosion, within the timelines as <br /> specified in the most currentyersion306 of North Carolina the-NG <br /> Administrative Code Title 15A Chapter 4: Sedimentation Control. <br /> (c) The angle for graded slopes and fills must be demonstrated to be stable. <br /> Stable is the condition where the soil remains in its original configuration, <br /> with or without mechanical constraints. <br /> 44 d) Materials being used as fill shall be consistent with the most current <br /> version of North Carolina Administrative Code Title 15A Subchapter 13B <br /> Section .0562 (Beneficial Fill) unless the site is permitted to operate as a <br /> landfill. Not all materials described in Section .0562 may be suitable to <br /> meet geotechnical considerations of the fill activity and should be <br /> evaluated accordingly.307GPpsjnp (inn40 � <br /> {8}(3) Undisturbed Area <br /> Because soils which are seriously disturbed, even if re-vegetated, can generate <br /> nearly as much -ef#stormwater runoff308 as paved areas, a portion of property <br /> being developed within watershed critical areas must remain undisturbed during <br /> construction. See Table 6.15.7.B.3: Undisturbed Area (below). <br /> JMMEVABLE 6.15.7.B.3: UNDISTURBED A <br /> DISTRICT UNDISTURBED AREA <br /> The area necessaryto meetimpervious surface <br /> requirements shall remain undisturbed during the <br /> UNIV-CA construction process. <br /> CANE-CA The area to remain undisturbed shall include portions <br /> U-ENO-CA ofthe lot utilized for stormwater infiltration. <br /> All clearing limits shall be clearlymarked and <br /> observed. <br /> All other Watershed Overlay Districts As maybe required pursuanttoan approved q <br /> LDP. <br /> {,}(4) Ground Cover <br /> (a) Whenever 41-and-Disturbing—Activity is undertaken <br /> 306 For ground cover timelines-consistent reference to "most current version"of the NC Administrative Code Title <br /> 15AChapter 4:Sedimentation Control andthe NC Erosion Control Manual. <br /> 307 Added language regardingfill materials,in conformancewith current state Model Ordinance. <br /> 308 Consistentuse of"stormwater runoff'. <br /> Orange County, North Carolina— Unified Development Ordinance Page 6-124 <br />