20170127 Ver 2_Supplemental Information Clarification Requested_20180309

Carpenter,Kristi
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Hi John,
Norton, Apri) R
Friday, March 09, 2018 11:31 AM
'Jamison, John R.'
Bailey, David E CIV USARMY CESAW (US)
Supplemental Information Clarification Requested
Impact Example Page.pdf
I received your message, and if available perhaps a phone call this afternoon is best. I
have reviewed your supplemental information and have one remaining question
regarding Stream 6. I've included comments to the attachment, it may be a little blurry
if you zoom in, but the concept is hopefully understandable. Also, could you provide a
brief explanation for Stream 6? Is this stormwater going into a culvert, tying into a
perennial stream?
Specifically, I would like to ensure the following conditions are met:
Any rip-rap for proper culvert placement, stream stabilization, or restoration of
temporarily disturbed areas shall be restricted to the area directly impacted by
the approved construction activity. All rip-rap shall be placed such that the
original stream elevation and streambank contours are restored and
maintained. Placement of rip-rap or other approved materials shall not result in
destabilization of the stream bed and banks upstream or downstream of the
area or in a manner that precludes aquatic life passage. [15 NCAC 02H
.0506(b)(2)]
Any rip-rap for stream or shoreline stabilization shall be of a size and density to
prevent movement by wave, current action, or stream flows and shall consist of
clean rock or masonry material free of debris or toxic pollutants. Rip-rap shall
not be installed in the streambed except in specific area required for velocity
control to ensure structural integrity of bank stabilization measure. [15A NCAC
02H .0506(b)(2)]
Also, you answered my questions regarding buffers according to the ePCN. You listed
impacts as either allowable or exempt, etc. I will speak to management about adding
another column to the form to include impact type, indicating why you require buffer
impacts, such as for a bridge, culvert, utilities, site access, road crossing, road relocation,
bank stabilization, etc. Please include comments stating why the buffers are being
impacted.
Thanks,
April
April R. Norton
Environmental Senior Specialist
Transportation Permitting Unit
Division of Water Resources

NC Department of Environmental Quality
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Impact Example Page
Friday, March 09, 2018 10:15 AM
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