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42 (1) Ana liGatinn fnr aTnrnk49l Of 2-WrPAVAAar MAAa9@mant Dlan (SMP) shall be filad yiith tha Crnsinn r`nnfrnl rlfrar nn fnrr9ls nrG�Ad@d by tha Dlanninn 9eyaFtMsAt.A Stormwater Management Plan (SMP) shall be prepared for all Land-Disturbing Activities subject to this Ordinance whenever the proposed Land-Disturbing Activity exceeds the stormwater thresholds as defined in the Orange County Watershed Matrix (Table 4.2.10 of this Ordinance).74 (B) Plan Requirements (1) An ry proposed permanent Stormwater Control Measures (SCMs)75 must be shown as part of the 2tnrm�ni@4ir mananamept Dlan SMP and must accompany the PiauLand Disturbing Permit (LDP76 application submittal packaciee77. SCMs are tsshall78 bQ OA aawrdaprze with the meet the requirements of the most current version79 of the North Carolina Administrative Code Title 15A, Subchapter 02H Sections .1000 through .1062, and the most current version of the Department of Environmental Quality (NCDEQ) Stormwater Design Manual. (2) All calculations for Nutrient Export (including the nutrient accounting tool), Peak Run-off Volume, and permanent SCMs designed for Nutrient Removal, as applicable per the requirements of Section 6.14 of this Ordinance8o,81 must be included in the LDP application submittal package82. (3) SCMs that are designed, constructed and maintained in accordance with the most current version83 of the North Carolina Administrative Code Title 15A, Subchapter 02H, Sections .1000 through .1062 and the most current version of the-NCDEQ Stormwater Design Manual, the84 approved accounting tools85, and the86 requirements listed in Section 6.14 of this Ordinance87 will be presumed to meet the required performance standards of Section 6.14 of this Ordinance88. Submittals containing measures not designed to these specifications, may be approved on a case by case basis provided the applicant provides adequate data and information showing how the deviations meet the requirements of Section 6.14 of this Ordinance89. (C) Plan Approval The Erosion Control Officer is authorized to approve any R4ASMP which is in conformance with the performance standards specified in the most 74 Section 2.21.1 (A) updated soas to reference the "Orange County Watershed Matrix Table(located in new Section 4.2.10 for determining land disturbancethresholds specificto each watershed within Orange County. 71 "Stormwater Control Measures"iscorrectlynoted to match the Definitions section ofthis Ordinanceandthe appropriate acronym for Stormwater Control Measures(SCMs)is included—NOTE. "Stormwater Control Measure' and"SCM"are integrated through the remainder of Section 2.21,where applicable. 71 "Land DisturbingPermit"is correctly noted to match the Definitions section ofthis Ord inanceandthe appropri ate acronymfor Land Disturbing Permit(LDP) is included—NOTE. "Land Disturbing Permit"and"LDP" are integrated through the remainder of Section 2.21,where applicable. 77 Cons istentuse of"application submittal package'. 78 Text correction—grammar fix. 79 Cons i stent reference to"most current versions"ofSubchapter 02H and the NCDEQ Stormwater Design Manual. 81 Edit(s)based on Legal Sufficiency Review comments 81 Added the text "as applicable",sincenutrientexport caIcuIationsare not required inthe Cape Fear River Basin. 82 Cons istentuse of"application submittal package'. 83 Consistent reference to"most current version"of the NCDEQ Stormwater Design Manual. 84 Text correction—added "the". 81 Text correction—added "s". 81 Text correction—added "the". 87 Consistent reference to"this Ordinance". 88 Consistent reference to"this Ordinance". 89 Consistent reference to"this Ordinance". Orange County, North Carolina— Unified Development Ordinance Page 2-70