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4 <br /> ORANGE COUNTY PLANNING DEPARTMENT <br /> 306F REVERE ROAD <br /> HILLSBOROUGH, NORTH CAROLINA 27278 9 <br /> ,,.... .,o,... <br /> *7 +.~,2 • '- <br /> c <br /> ..,;,....7,-.. .. <br /> MEMORANDUM <br /> TO: Mary Willis, Planner III <br /> FROM: Warren Faircloth, Erosion Control Supervisor <br /> PROJECT: A Brief Comparison of the State's and County's Erosion <br /> Control Requirements and Standards <br /> DATE: September 14, 1994 <br /> For private development projects within the County disturbing <br /> more than 20, 000 square feet an erosion control plan must be <br /> submitted and approved before any timbering, demolition, <br /> clearing, or grading begins. The State has jurisdiction over <br /> projects conducted by the Department of Transportation, the <br /> County or one of the municipalities, the school districts, OWASA, <br /> UNC, etc. They require plan approval when more than one acre <br /> (43 , 560 square feet) will be disturbed. <br /> The State's program is administered by the Department of <br /> Environment, Health, and Natural Resources. DOT has an arrange- <br /> ment with the State allowing them to design and approve their own <br /> erosion control plans and inspect their own sites. The State <br /> periodically monitors DOT sites. County staff monitors DOT and <br /> other State sites and reports problems to DEHNR staff in the <br /> Raleigh regional office. <br /> You specifically asked about DOT's performance. In the past DOT <br /> has not done a very good job at erosion and sediment control. <br /> However, in the past few years they have improved and is obvious <br /> in the widening of 1-85 . <br /> It is difficult to fairly compare DOT's and the County's erosion <br /> control standards because I am partial toward the approach and <br /> devices we use on sites under the County's jurisdiction. In <br /> general, my opinion is that the techniques, measures, and devices <br /> we use are more effective. This is especially true of the <br /> sediment control devices. The standards in the County's Erosion <br /> Control Manual were researched and adopted in response to <br /> failures and poor performance of devices designed to the State's <br /> standards. Based on my observations, these standards produce <br /> superior sediment-trapping performance. <br /> 41 — ly , <br /> Si......21r-a.dr- <br /> V .' .,.. <br /> - <br /> #19 9-14-94.B <br /> Post Office Box 8181 <br /> Carrboro/Chapel Hill 968-4501 Durham 688-7331 Hillsborough 732-8181 Mebane 227-2031 FAX 919-644-3002 <br />