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NORIR CAROLINA <br /> <br />MEMORANDUM <br /> <br />To: Frank Clifton, Jr. <br /> <br />From: Blair Bennett ,~ <br /> <br />Date: October 6, 1999 <br /> <br />Subject: Coddle Creek Dam <br /> <br />On July 9, 1999 the Water and Sewer Authority (WSACC) contracted with Applied <br />Geosciences and Engineering, Inc. (AG&E) to conduct a dam safety inspection of the <br />Coddle Creek dam. The North Carolina Department of Environment and Natural <br />Resources (DENR) requested the monitoring and ordered that an evaluation be done and <br />to include any recommendations for repairs in that report. <br /> <br />Found below are the recommendations outlined by the engineer. <br /> <br />Earthfill Dam <br /> <br />Re-seed the bare areas on the top of dam and downstream slope of the dam, and <br />over-seed the areas where the grass cover is thin. Apply lime and fertilizer if <br />indicated by soil tests. <br />Install rock riprap at the left end of the RCC spillway. The riprap plan and cross <br />section should be designed by a Professional Engineer for proper size, gradation, <br />bedding and length and height of slope required. <br /> <br />Principal Spillwag <br /> <br />o <br /> <br />Repair the concrete construction joints and cracks in the downstream slope of the <br />spillway by using an appropriate sealant. Include an appropriate sealer for the <br />slabs that exhibit loss of the top cement mortar cover. (It may be determined cost <br />effective to apply the sealer to all slabs as a preventive measure.) These .repairs <br />will require the development of design details and specifications and approval by <br />DENR before installation. <br /> <br /> Finance Department <br />RO. Box 707 · Concord. NC 28026-0707 * (704} 788-8104 <br /> <br /> <br />