9.7.22 Planning Board Packet - Laserfiche WebLink

Browse Search

Article 6: Development Standards 115 Section 6.15:Soil Erosion and Sedimentation Control268F on a tract comprising more than 20,000 square feet, if more than 20,000 square feet are uncovered, the person conducting the ast+vtyLand-Disturbing Activity shall install such sedimentation and erosion control devices and practices as are sufficient to retain the sediment generated by the ' ' Land-Disturbing Activity within the boundaries of the tract during construction upon and development of said tract, and shall plant or otherwise provide a permanent ground cover sufficient to restrain erosion after completion of construction or development. (b) ExG@pt as nrn,4dp-d in SQrtion R 9�. 7/Rl/C.1/o1 309nf fhic Qrdinonro Pprovisions for a ground cover sufficient to restrain erosion must be accomplished within 15 working days nr an Galepdar days %A1hirhAy@ period—isskisrterthe timelines as specified in the most current version310 of the North CarolinaG Administrative Code Title 15A Chapter 4: Sedimentation Control Fr^s;Opp r„nfr„l nnnn„nl following completion of construction or development. 49-)t5)—Design Storm (a) Except as provided in Sections 6.15.7(B)(6) and 6.15.7(B)(7>-31 of this Ordinance 31� of+ho nlr Grninn Coptrnl Map-iol erosion and sedimentation control measures, structures, and devices shall be so planned, designed, and constructed as to provide protection from accelerated erosion and sedimentation from the calculated maximum peak rates of stormwater runoff313 from the 10ton- year frequency storm. (b) R--POff Stormwater runoff rates shall be calculated according to WSiAg the procedures in the latest edition of the United States Department of AgricultureS-DA Natural Resources—Seif-Conservation Service's "National Engineering Field Handbook 630 forMapaJ for Conservation Practices," or according to other calculation procedures acceptable to the Erosion Control Officer. f144&LStandards for High Quality Waters In High Quality Water(HQW) zones the following design standards shall apply: (a) Uncovered Areas (i) Uncovered areas in HQW zones shall be limited at any time to a maximum total area of 20 acres within the boundaries of the tract. Only the portion of the Land-Disturbing Activity within a HQW zone shall be governed by this section. 3"Tcxt serTestie n—.,d d Qd a s 110 For ground cover requirements -c6onsistentreference to "most current version"of the NC Administrative Code Title 15AChapter 4: Sedimentation Control. "I Text correction—added a space. Reference to the sections specificto additional requirements for projects in HWQ and Falls Lake Watershed areas. 313Consistent use of"stormwater runoff"—NOTE.the use of"stormwater runoff"is implemented through remainder of Section 6.15,as applicable. Orange County, North Carolina— Unified Development Ordinance Page 6-125