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107 <br />Ordinance presented at Public Hearing <br />November 24, 2003 <br />from rooftops and storm drains at parking areas. Runoff shall <br />not be discharged directly .into surface water, or other <br />environmentally sensitive areas; <br />4) Concentrated stormwater, conveyed by ditches, channels, <br />pipes, swales or other conveyance systems must be <br />dispersed and diffuse flow reestablished prior to discharge <br />into a stream buffer; <br />5) Nitrogen load contribution must be held to 3.6 Ibs per acre <br />per year. <br />f) Drainage <br />1) All drainage structures will be installed and maintained <br />according to the approved stormwater Management Plan. <br />2) School projects that include retention/detention ponds shall <br />comply with the requirements in Section 6.23.4, Operation <br />and- Maintenance of Structural Best Management Practices. <br />g) Grading and Erosion Control <br />1) Plans for grading and erosion control comply with standards <br />contained in the Orange County Erosion and Sediment <br />Control Ordinance and Manual and, if applicable, The North <br />Carolina Erosion and Sedimentation Control Program rules; <br />2) Construction is phased to the extent practical to <br />:minimize disturbance and sedimentation; <br />3) Sediment control measures will be properly installed to filter <br />sediment from runoff during construction and maintained <br />until grading is complete and a permanent vegetative cover <br />has been established and all slopes stabilized; and <br />4) Permanent landscaping, groundcover, mulch, etc. will be <br />installed as soon as practical after construction activities for <br />each phase are completed. <br />h) Solid Waste Management <br />A solid waste management plan, submitted as part of the <br />Resources Management Plan, .shall include the method(s) of <br />disposal and recycling of construction debris. <br />