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48 <br /> stormwater management activities for the project: <br /> a. Riparian areas (stream buffers) shall be maintained consistent with the provision(s) of <br /> Section 6.13 of the UDO. <br /> b. Impacts to the Neuse stream buffers on site shall comply with the uses listed in the <br /> Neuse Rules and the Orange County Unified Development Ordinance. Examples of <br /> listed uses include utilities, roadways,etc. <br /> C. The project shall comply with the stormwater requirements listed in the Falls Lake <br /> Rules.This includes: <br /> i. No net increase in peak flow leaving the site from the predevelopment conditions <br /> for the 1-year, 24-hour storm; <br /> ii. Nitrogen and Phosphorus load contributions leaving the site must be held to 2.2 <br /> Ibs per acre per year and .33 Ibs per acre per year respectively. These standards <br /> can be met via offset payments and/or SCMs. <br /> d. A Master Stormwater Management Plan (SMP) shall be developed to address <br /> stormwater runoff for the entire development even though individual parcels may be <br /> responsible for installing stormwater control measures (SCMs). <br /> e. Innovative stormwater SCMs and practices may be utilized that meet or exceed the <br /> requirements of the current version of the North Carolina Division of Water Quality <br /> Stormwater Best Management Practices Manual(Latest Edition). <br /> f. The developer shall collaborate with County staff during the SMP design process. <br /> 9. WATER SUPPLY AND SEWAGE DISPOSAL. Please refer to Section Four (4) Utilities and <br /> Other Public Services. <br /> SECTION 2-2-3 GENERAL PERFORMANCE STANDARDS <br /> 1. ENVIRONMENTAL: <br /> The improvements common to the development of each building pod result in a relatively <br /> limited overall land disturbance as compared to the developed area. Further,with the <br /> exception of a single road crossing,there are no impacts to the 100-year floodplain or Neuse <br /> River buffers and substantial open space is preserved and maintained. The development <br /> also utilizes an existing stream crossing on the 1-40 service road for access. Minor impacts <br /> will result from the new internal road crossing necessary to provide connectivity between <br /> the four proposed development areas/pods.The crossing has been designed as a <br /> perpendicular crossing to minimize impacts and is located higher in the watershed where <br /> the stream is smaller to further reduce impact. Additionally, onsite stormwater runoff <br /> generated by the development of the site is being attenuated and treated via SCMs to <br /> minimize downstream impacts. <br /> The following additional performance standards shall be adhered to in addressing the <br /> environmental impact of the RTLP project: <br />