HomeMy WebLinkAbout20110777 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
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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.