20221759 Ver 1_More Info Received_20230130

Homewood, Sue
From:Philip May <[e-mail]>
Sent:Monday, January 30, 2023 6:46 AM
To:Homewood, Sue
Cc:Phillips, George L CIV USARMY CESAW (USA)
Subject:\[External\] RE: Request for Additional Information for Magnolia Village - Randolph
County - DWR#20221759
Attachments:Plan & profile Stream Culvert Revised.pdf
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Sue,

Please see the attached exhibit with a sill added to the culvert that will not have the base flow. Let me know if you have
any questions or need anything else.

Thanks
Phil

PS I got your voice mail Friday about 30 minutes after we talked. Sorry I called later than you were working…you
shouldn’t have answered!

Phil May
Inver Environmental Consulting, LLC
[phone]
www.inverenv.com

From: Homewood, Sue <[e-mail]>
Sent: Tuesday, January 17, 2023 8:55 AM
To: Philip May <[e-mail]>
Cc: Phillips, George L CIV USARMY CESAW (USA) <[e-mail]>
Subject: Request for Additional Information for Magnolia Village - Randolph County - DWR#20221759

Hi Phil,

I have reviewed the above noted project and require additional information to complete the review. Please provide a
response to the below items within 30 days. Please note that the application will be considered “on hold” until a
complete response is received.

1. It appears that both of the culverts are to be buried below the streambed elevation. The stream is reported as
approx.. 4 feet wide and the culvert widths as 8’ in total width. Culverts should be designed and installed in
such a manner that the original stream profiles are not altered and allow for aquatic life movement
during low flows. The dimension, pattern, and profile of the stream above and below a pipe or culvert
shall not be modified by widening the stream channel or by reducing the depth of the stream in
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connection with the construction activity. The width, height, and gradient of a proposed culvert shall
be such as to pass the average historical low flow and spring flow without adversely altering flow
velocity. If the width of the culvert is wider than the stream channel, the culvert shall include multiple
boxes/pipes, baffles, benches and/or sills to maintain the natural width of the stream channel. If
multiple culverts/pipes/barrels are used, low flows shall be accommodated in one culvert/pipe and
additional culverts/pipes shall be installed such that they receive only flows above bankfull.

Thanks,

Sue Homewood
Division of Water Resources, Winston Salem Regional Office
Department of Environmental Quality

336 776 9693 office
336 813 1863 mobile
[e-mail]

450 W. Hanes Mill Rd, Suite 300
Winston Salem NC 27105

Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
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