RE_ _External_ RE_ Site 7

Carpenter,Kristi
From:Trowell, Steve J
Sent:Wednesday, August 18, 2021 10:50 AM
To:Barnes, Kyle W CIV USARMY CESAW (USA); Williams, Paul C; Ward, Garcy
Cc:Castello, Robert C; Blankenship, Andrew; Edwards, James T
Subject:RE: \[External\] RE: Site 7
Kyle:

The sediment came from the ditch line. Similar to what is happening on the other side of the road at site seven (east
side of pipe inlet), a considerable amount of water is coming down the ditch, especially when you get 3 inches in the
amount of time experienced las Sunday, and the water is overwhelming the EC measures adjacent the east side of the
pipe outlet. Riprap may be needed for some distance along the bottom of the ditch where the ditch grade is the
steepest to slow the water down and to protect against scour. Where the riprap is needed, it is likely that vegetation
will never be established in the ditch bottom. Water was still flowing down the ditch yesterday morning from Sunday’s
rain event. The impacted area is similar in nature and size to what you reviewed during last week’s site visit, I am
thinking around 400 ft² but was difficult to access with the area still flooded. I stopped Thalle’s crew yesterday from
doing any more sediment removal until the water goes down, I did not want them to dig a hole. Another possible
contributing factor to the EC measures failing in this location was the water discharging onto the riprap scour pad then
flowing 90° to the east and following a channel in the wetlands adjacent the upland/wetland interface. Once the water
recedes Thalle has been directed to make the repairs to the silt fence and special secondary fence outlet and complete
the sediment removal. They will also have the surveyor re-establish the wetland line and repair the highly visible fence
in this area to make impact assessments easier on our next site visit. Once this is complete I will send pictures or we can
meet onsite.

Steve J. Trowell
Division Environmental Specialist
Division One
NC Department of Transportation

[phone] office
[phone] mobile
[phone] fax
[e-mail]

113 Airport Dr.
Suite 100
Edenton, NC 27932

From: Barnes, Kyle W CIV USARMY CESAW (USA) <[e-mail]>
Sent: Wednesday, August 18, 2021 6:29 AM
To: Williams, Paul C <[e-mail]>; Ward, Garcy <[e-mail]>
Cc: Trowell, Steve J <[e-mail]>; Castello, Robert C <[e-mail]>; Blankenship, Andrew
<[e-mail]>
Subject: \[External\] RE: Site 7

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Paul,

Where did the sediment come from?

Kyle

From: Williams, Paul C <[e-mail]>
Sent: Tuesday, August 17, 2021 1:17 PM
To: Barnes, Kyle W CIV USARMY CESAW (USA) <[e-mail]>; Ward, Garcy
<[e-mail]>
Cc: Trowell, Steve J <[e-mail]>; Castello, Robert C <[e-mail]>; Blankenship, Andrew
<[e-mail]>
Subject: \[Non-DoD Source\] FW: Site 7

Kyle and Garcy,

The R-2582A project experienced sediment loss at Site 7 due to recent rain events. As the water recedes, we will
evaluate further to determine the area impacted. Please see the attached photos.

Thanks, and let me know if you have any questions.

Paul C. Williams, Jr.
Division Environmental Officer
Division One
NC Department of Transportation

[phone] office
[phone] mobile
[phone] fax
[e-mail]

113 Airport Dr.
Suite 100
Edenton, NC 27932

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From: Edwards, James T <[e-mail]>
Sent: Tuesday, August 17, 2021 11:31 AM
To: Braswell, Brooks N <[e-mail]>; Blankenship, Andrew <[e-mail]>; Rose, Edwin W
<[e-mail]>; Wardie Vincent <[e-mail]>; [e-mail]; Williams, Paul C
<[e-mail]>; Lassiter, Robert W <[e-mail]>; Trowell, Steve J <[e-mail]>;
Castello, Robert C <[e-mail]>
Subject: Site 7

Brooks,
We had 3” of rain on the project Sunday and the water has just gone down enough to see that some silt escaped into
the wetlands on site 7(84” outlet). Thalle has started the cleanup with equipment and shovels. Steve Trowel and Caz are
on site and suggested that Thalle hold off on anymore cleanup until the water goes down so they won’t dig to deep. We
asked Wardie to get his surveyor to stake the wetlands and silt fence location again.
Thanks
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Email correspondence to and from this sender is subject to the N.C. Public Records Law and may be disclosed to third parties.
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