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40 <br /> PLANNING & INSPECTIONS DEPARTMENT <br /> Craig N. Benedict, AICP, Director <br /> Engineering / Erosion <br /> Control / Stormwater -�- 131 W. Margaret Lane <br /> Suite 201 <br /> (919) 245-2575 ORANGE COUNTY P. O. Box 8181 <br /> (919) 644-3002 (FAX) NORTH CAROLINA Hillsborough, NC 27278 <br /> www.orangecountync.gov <br /> law' . AM. 01*j <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: 04/18/19 <br /> PROJECT: Fairway Hills Major Subdivision, SUB19-0005 <br /> PIN's: 9884323275 and 9884319874 <br /> SUBJECT: Preliminary Plat Review, plans dated 04/16/19 <br /> EROSION & SEDIMENTATION CONTROL / STORMWATER MANAGEMENT COMMENTS: <br /> These comments are relative to a major subdivision preliminary plat submitted for the <br /> Fairway Hills Subdivision, Hillsborough, NC by Summit Design and Engineering <br /> Services. (Summit). Erosion & Sedimentation Control / Stormwater staff members <br /> understand this project must proceed through certain discretionary actions in order to <br /> determine functional and economic viability, prior to the developers investing in more <br /> detailed design and subsequent jurisdictional submittals for compliance reviews and <br /> permits. This Division takes no exception to an approval of this Preliminary Plat <br /> application, as long as the following is taken into account. <br /> Erosion Control Plan and Stormwater Management Plan Required: <br /> Both parcels proposed for this development are located in the Lower Eno Protected <br /> Watershed. Therefore, this development must satisfy the provisions contained in <br /> Sections 6.14 and 6.15 of the Orange County Unified Development Ordinance (UDO), if <br /> land disturbance exceeds the following thresholds: <br /> • Erosion & Sedimentation Control — 20,000 SF <br /> • Stormwater — 21 ,780 SF (Cumulative Disturbance) <br /> Stormwater Management Concerns with the Proposed Plan <br /> There are two (2) structural stormwater control measures (SCM's) proposed in the <br /> current site plan. <br /> 1 . Northern Watershed — An SCM is proposed between proposed lot 3 and the <br /> proposed open-space lot between lot 3 and 4. <br /> 2. Southern Watershed — An SCM is proposed between proposed lots 16 & 17. <br /> S:\5_Erosion Control and Water Quality\Correspondence\HWF\DAC\Fai-ayHillsSub\20190418_HWF-OC-E&SC_DAC-Memo(FaimayHillsSUB19-0005).docx <br />