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Erosion & Sedimentation Control (E&SC): <br />According to current Orange County GIS imagery of the project parcel, there are mapped <br />stream features within the project parcel boundaries. Orange County enforces stream <br />buffers along streams, rivers, water bodies, and other water features (e.g., wetlands) as <br />outlined in Section 6.13 of the Orange County UDO. Based on the submitted materials <br />for the proposed development, the project could meet the basic Erosion and <br />Sedimentation Control requirements as outlined in Section 6.15 of the Orange County <br />UDO and could be developed as generally proposed. The proposal will also require an <br />Army Corps PCN 404/401 application for both the wetland impact and stream buffer <br />impact and issuance of Orange County buffer impact authorization certificate for the <br />planned stream crossing. <br /> <br />Stormwater Management: <br />The submitted materials indicate a level of development that could meet current UDO <br />requirements specific to stormwater management. The project has not yet submitted <br />supporting stormwater management plans or calculations; however, it is feasible that the <br />project can meet water quantity requirements (i.e., post-development stormwater runoff <br />attenuation). There are no water quality requirements (i.e. post-development nutrient <br />attenuation) currently associated with the Watershed Overlay District within which the <br />project is located. The project will need to meet applicable stormwater management <br />requirements as outlined in Section 6.14 of the Orange County UDO and must be in <br />general conformance with the North Carolina Stormwater Design Manual (i.e., Minimum <br />Design Criteria). <br /> <br />Conclusion: <br />The Division has No Objections to the approval of the major modification request so long <br />as a complete LDP application and supporting plans and calculations are submitted to <br />Orange County for review, processing and approval prior to commencement of on-site <br />Land-Disturbing Activity. As the project progresses, additional field observations, and/or <br />permitting by others (e.g. US Army Corps of Engineers, NC Department of Environmental <br />Quality, NC Department of Transportation, etc.), additional buffers, setbacks, and/or <br />additional Orange County review and permitting may apply beyond the proposed <br />development as shown with this major modification request. <br /> <br /> <br />___________________________ _______________ <br /> Christopher Sandt, PE Date <br /> <br /> 5/14/2024 <br />__________________________ _______________ <br /> Steve Kaltenbach Date <br /> <br />158