20191305 Ver 1_Email_20191118

Moore, Andrew W
From: Jeremy Cobb <[e-mail]>
Sent: Monday, November 18, 2019 3:27 PM
To: Moore, Andrew W
Cc: Mcdaniel, Chonticha
Subject: [External] RE: Highlands Retail Development Stormwater
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Thanks for the information. After a quick look, seems like the time and money required to do the hyrdogeological
evaluation may not be worth it for just the possible benefit of 1' of relief. I think we will try to redesign to meet the 2'
requirement, if possible.
Thanks,
Jeremy A. Cobb, P.E.
Civil Engineer
Broadway Management, LLC
216 Westside Square
Huntsville, AL 35801
(P) 256-533-7287
(F) 256-533-7236
From: Moore, Andrew W [mailto:[e-mail]]
Sent: Monday, November 18, 2019 1:50 PM
To: Jeremy Cobb
Cc: Mcdaniel, Chonticha
Subject: Highlands Retail Development Stormwater
Jeremy,
Thank you for your call this afternoon regarding the 2-foot offset requirement from the seasonal high water table. That
requirement is from the North Carolina Stormwater Design Manual (https://deg.nc.gov/sw-bmp-manual). The manual
does provide options for allowing less than 2 feet of separation. See page 4 of Section A-2 from the manual
(https://files.nc.gov/ncdeg/Energy%20Mineral%20and%20Land%20Resources/Stormwater/BMP%20Manual/A-
2%20%20Soils.pdf), which requires a hydrogeological evaluation.
Please review the hydrogeolocial evaluation requirements. A less than 2-foot separation may be approvable if the
requirements of the evaluation can be demonstrated.
Let me know if you'd like to discuss further.
Thanks,
Andrew W. Moore, PG
Environmental Specialist — Asheville Regional Office
Water Quality Regional Operations Section
NCDEQ — Division of Water Resources

828 296 4684 office
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