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Home My WebLink About20110777 Ver 1_Staff Comments_20111031Lucas, Annette From: Lucas, Annette Sent: Monday, October 31, 2011 2:20 PM To: Witherspoon, Lauren Cc: Lucas, Annette Subject: 11-0777 Batts Farm II - Diffuse Flow Condition Attachments: 11-0777 Batts Farm II - Diffuse Flow Condition.docx LC, The diffuse flow condition is attached. A Annette M. Lucas, PE Environmental Engineer NCDENR DWQ Wetlands and Stormwater Branch 1650 Mail Service Center, Raleigh, NC 27699-1650 (Mail) 512 N. Salisbury St, Raleigh, NC 27604 9t" Floor (L,ocation & P irccls) Phone: (919) 807-6381 Fax: (919) 807-6494 Email: Aim( 1? I ( W i l l ?o%, Website: http://portal.ncdenr.org/web/wq/swp/ws/401 iA Before printing this email, please consider your budget and the environment. E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. 11 -0777 Batts Farm II - Diffuse Flow Condition AML comments October 31, 2011 1. Diffuse flow plan approval. The diffuse flow plan approved by this office consists of two level spreaders and vegetated filter strips and all associated stormwater conveyances, the grading and drainage patterns depicted on plan sheets dated July 2010 and received by the DWQ on. No changes to the level spreader-engineered filter strip shall be made without written authorization from the DWQ. The diffuse flow devices shall have maintenance access and at least a 10-foot drainage easement on each side to allow for the ability to maintain the structures, and to perform corrective actions. The stormwater easements shall be recorded to provide protection of the structures from potential alterations by future property owners. The approved diffuse flow must be maintained in perpetuity in accordance with LS-VFS operation and maintenance (O & M) agreements signed by Mr. William G. Blount (President, WGB Properties) on September 19, 2011. The O & M agreements must transfer with the sale of the property or transfer of ownership/responsibility for the BMP facilities. DWQ must be notified promptly of every transfer.