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HomeMy WebLinkAbout19970722 Ver 1_Mitigation Plan Review_20030627wAr r William G. Ross, Jr., Secretary Department of Environment and Natural Resources 1 .t Alan W. Klimek, P.E., Director Division of Water Quality June 27, 2003 Ms. Andrea Spangler Piedmont Triad Regional Water Authority Wilmington Bid., Suite 204 2216 West Meadowview Road Greensboro, NC 27407-3480 Subject: Randleman Lake Wetland Creation DWQ Project No. 970722 Guilford County Dear Ms. Spangler: The Wetlands Unit staff reviewed the wetland creation plans for the subject project and determined that additional information is necessary to complete the technical review process. The required additional information is as follows: 1. Micro-topography Plan It is important to establish micro-topography in wetlands in order to increase diversity. As such, a micro-topography plan should be developed as part of the final grading plan. The plan could include creating as many as five divots, similar to those created by fallen trees, per acre in areas that are to be cleared or graded. Obviously this would not be needed for areas that are not to be cleared or graded. 2. Final Contour Plan Please provide a final contour plan for the Reddicks Creek site and for any other areas that will be graded. or scarified. 3. Access Plans Please provide the access routes for heavy equipment at each site. Please indicate that heavy equipment access area will be ripped or otherwise treated to break up potentially compacted soils. 4. Acreage and Community Type Please provide the acreage of each proposed wetland plant community type at each site. 5. Construction Sequence Please provide the construction sequence as it relates to the sediment and erosion control plans. If you have any questions or would like to discuss this project, please contact me at (919) 733-9584. Sincerely, Rr t. hn, PEnvironmental Engineer cc: Winston-Salem Regional Office File Michael F. Easley Governor North Carolina Division of Water Quality, 401 Wetlands Certification Unit,. 1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address) 2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location) 919-733-1786 (phone), 919-733-6893 (fax), http://h2o.enr.state.nc.us/ncwetiands/