20120458 Ver 1_Staff Comments_20120802

Lucas, Annette
From Lucas Annette
Sent Thursday August 02 2012 2 32 PM
To Witherspoon Lauren
Subject 12 0458 Maggie Run West — DIFFUSE FLOW CONDITION
Attachments 12 0458 Maggie Run West— DIFFUSE FLOW CONDITION docx
Here it is sistah
Annette M Lucas PE
Environmental Engineer
NCDENR ! DWQ f Wetlands and Stormwater Branch
1650 Mail Service Center Raleigh NC 27699 1650 (Mail)
512 N Salisbury St Raleigh NC 27604 1 9th Floor (Location & Parcels)
Phone [phone] Fax [phone] Email Annette Luca ncdenr gov
Website http / /portal ncdenr org /web /wg/swpf ws /401
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12 0458 Maggie Run West — DIFFUSE FLOW CONDITION
AML comments
August 2 2012
1 Diffuse Flow Plan Approval
The diffuse flow plan approved by this office consists of one level spreader and vegetated filter strip
and all associated stormwater conveyances the grading and drainage patterns depicted on plan sheets
dated June 12 2012 No changes to the level spreader engineered filter strip shall be made without
written authorization from 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 to perpetuity in accordance with LS VFS operation
and maintenance (O & M) agreements signed by Mr Timothy Powell (Owner) on July 27 2012 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