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PLANNING & INSPECTIONS DEPARTMENT <br /> Craig N. Benedict, AICP, Director <br /> Engineering 1 Erosion 131 W. Margaret Lane <br /> Control / Stormwater Suite 201 <br /> (919) 245-2575 ORANGE COUNTY P. O. Box 8181 <br /> (919) 644-3002 (FAX) NORTH CAROLINA Hillsborough, NC 27278 <br /> www.orangeco untync.gov <br /> IL <br /> { <br /> MEMORANDUM <br /> TO: Michael Harvey <br /> COPY TO: Patrick Mallett and Wesley Poole <br /> FROM: Howard W. Fleming, Jr., PE, Engineering/Stormwater Supervisor <br /> DATE: 10/19/18 <br /> PROJECT: Chestnut Ridge Camp and Retreat Center <br /> PIN's: 9843137930, 09833935222, 9843055036, 9833921230, 9843221280, <br /> and 9842497233 <br /> SUBJECT: Class B SUP SU18-00019 — Revised Site Plan package, latest cover <br /> sheet revision date 07/30/18. <br /> EROSION&SEDIMENTATION CONTROL./STCRMWATER MANAGEMENT COMMENTS: <br /> These comments are relative to a revised site plan submitted for the NC United <br /> Methodist Camp & Retreat Ministries, Inc. by The John R. McAdams Company, Inc. <br /> (McAdams). Having reviewed the subject project, Erosion & Sedimentation Control 1 <br /> Stormwater staff members understand this project must proceed through certain <br /> discretionary actions in order to determine functional and economic viability, prior to the <br /> developers investing in more detailed design and subsequent jurisdictional submittals <br /> for compliance reviews and permits. This Division takes no exception to an approval of <br /> the Special Use Permit application. <br /> Erosion Control Plan and Stormwater Management Plan Required: <br /> Although about 7 acres in the southeastern corner of PIN 9843137930 and all of PIN <br /> 9842497233 are located in the Cane Creek Protected Watershed, all of the proposed <br /> development is located within the Upper Eno Protected Watershed. Therefore, this <br /> development must satisfy the provisions contained in Sections 6.14 and 6.15 of the <br /> Orange County Unified Development Ordinance (UDO), if land disturbance exceeds the <br /> following thresholds: <br /> • Erosion & Sedimentation Control -- 10,000 SF <br /> ■ Stormwater - 12,000 SF (Cumulative Disturbance) <br /> We see no structural stormwater control measures (SCM's) proposed in the current site <br /> plan. If low-impact development (LID) can be proven through analysis, which seems <br /> likely with the significant acreage involved, structural SCM's may be avoided [see UDO <br /> Section 6.14.6 (B)]. <br /> highly recommend that the applicant direct their designer to contact Wesley Poole, <br /> Erosion Control Officer Il, at (919) 245-2587 for guidance as they proceed into the <br /> construction document phase. <br /> S:S_Emsbn Control and Wales QuaII PM i8 1019_HWF-00-E850_DACi MO(C41OMnulRldgeCami 5SUf8-008t9).dwx 370 <br />