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Home My WebLink About20090566 Ver 3_More Info Letter_20111128 �� North Carolma Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Coleen H Sullins Dee Freeman Governor Director Secretary November 28 2011 DWQ Pro�ect#09 0566 Johnston County Mr Joe Poole Caterpillar 954 NC 42 East Clayton NC 27520 Sub�ect Property Caterpolar Access Road UT to Neuse R�ver[030402 27 (39 7) WS N NSW] REQUEST FOR MORE INFORMATION STORMWATER MANAGEMENT PLAN , Dear Mr Poole On May 21 2009 the D�vision of Water Quality(DWQ) �ssued a 401 Water Quality Certtfication to impact 192 Imear feet of perenmal stream I S 003 square feet of Zone 1 Neuse R�ver basin protected riparian buffers and 9 700 square feet of Zone 2 Neuse R�ver basin protected riparian buffers In order to meet Conditions(6) and (7) of the 401 Cert�fication for this pro�ect stormwater ' management plans for the Caterpillar srte were approved by the DWQ on November 16 2010 and December 10 2010 A revised stormwater management plan dated October 27 2011 was received by the DWQ on November 1 2011 The DWQ has determmed that the rev�sed stormwater management plan was mcomplete as discussed below Addrt�onal Informat�on Requested 1 Please provide one or more plan sheets to show how the drainage areas are bemg reconfigured from the previously approved stormwater management plan 2 Please clearly label the newly proposed drive m equipment shed and show the roof leaders and their outlet pomts on the plans Please clearly delmeate the dramage area of the newly proposed wet detention basm 3 The length to width ratio of the pond should be 3 1 or larger Please reconfigure the pond to provide a longer flow path for the stormwater 4 Please modify the sect�on view of the wet detention bas�n to show the ten foot vegetated shelf Wetlands Buffers Stormwater Compliance and Permitting Unit(WeBSCaPe) 1650 Mai!Service Centei Raleigh North Carolina 27699 1650 Phone 919 807 6300 1 FAX 919 807 6494 Inlernet http//portal nctlenr orglweb/wqlws An Equal Opportunity 1 Affirmative Action Employer Caterpillar Page 2 of 2 November 28 2011 5 Please address the Neuse River Basin diffuse flow requirement either by providmg a level spreader vegetated filter strip at the outlet of the pond or by demonstrat�ng that the ex�stmg channel has adequate capacrty to convey the flow contributed by the wet detention pond w�thout causmg erosion wrthin the channel The DWQ will require the above addrtional mformation to finalrze review of the stormwater management plan for the sub�ect property Please prov�de this information wrthm 30 calendar days If you have any questions please telephone me at(919) 807 6381 Smcerely \� t �Cc�s�"'� Annette M Lucas P E Wetlands Buffers and Stormwater Compliance and Permittmg Unrt AML/aml cc Lauren Witherspoon DWQ Rale�gh Regional Office USACE Raletgh Regulatory F�eld Office DLR Raleigh Regional Office Matt Matthews DWQ Sect�on Ch�ef File Copy Grant Livengood McKim&Creed 1730 Varsrty Drive Raleigh NC 27606 Robert B Hunt 1441 NC H�ghway 42 East Clayton NC 27527 Filename 090566Caterpolar(Johnston)_SW_Hold