US 74 Bypass

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STATE OF NORTH CAROLINA
BEVERLY EAVES PERDUE
GOVERNOR
Memo to: David Wainwright, NCDWQ
Jennifer Frye, USCOE
From: Art King, DEO Highway Div. "41
Date: August 6, 2010
EUGENE A. CONTI, JR.
SECRETARY
Subject: US 74 Bypass (Rockingham) slope failure, sediment retention basin
Included in this package are the preliminary plans, and the request for the drainage easement, for
the sediment retention basin at the US 74 slope failure site near Rockingham.
I expect to receive a more detailed plan for the actual structure as soon as the Right of Way and
easements are secured. I will in turn forward them to you ASAP.

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DEPARTMENT OF TRANSPORTATION
P.O. BOX 1067, ABERDEEN, NORTH CAROLINA 28315
PHONE: [phone] FAX [phone]
STATE OF NORTH CAROLINA
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440 y? M9 k
DEPARTMENT OF TRANSPORTATION `R
BEVERLY EAVES PERDUE
I GOVFR`OR
RICHMOND COUNTY
MEMORANDUM TO
FROM:
DATE:
SUBJECT:
Art ing, Di . E it nmental Officer
Kevin R. e r c District Engineer
August 20, 2010
EUGENE A. CONTI, JR.
SECRETARY
Silt Basin Design - US 74 Bypass Slope Failure
Attached are plans and design calculations from Jerry Lindsey, P.E., NCDOT Hydraulics
Engineer, for the proposed silt basin down stream of the slope failure site in Richmond County.
The proposed basin will be 95' x 185' in size and we are acquiring a 2-acre temporary drainage
easement around this basin.
Once installed, this basin will drain through a 60" riser and a 54" corrugated metal pipe
continuing through the dyke of the basin. The dyke will be constructed in the existing dirt road on
the property and will remain as a roadway for the property owner to access their other property
across the stream. At the end of the silt collection process, the 54" CMP will remain in place for the
stream to continue to travel through as it did before in a 24" CMP.
Our maintenance staff will monitor the basin monthly and after a rainfall of 1" or greater to
ensure it is functioning properly. Also, silt will be removed from the basin as needed and new filter
stone placed around the 60" riser pipe as required.
Once the Right of Way Department has secured the necessary easement, we plan to begin
construction of the basin. I will keep you informed as to when we are able to begin work at this site.
Please advise if additional infortnation is required.
Attachments
C: Tim Johnson, P.E., Division Engineer
Jeff Picklesimer, P.E., Div. Maintenance Engineer
Andy Cochran, Richmond Co. Maintenance Engineer
219
Clemmer Road, Rockingham, North Carolina 28379
PHONE: [phone] FAX: [phone]
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STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
Beverly Eaves Perdue DIVISION OF HIGHWAYS
GOVERNOR
RICHMOND COUNTY
Memo To: Brad BDivviisio ig ay Agent
From: Kevin R. Hedrick, P.E., District Engineer
Date: August 4, 2010
Subject: Temporary Drainage Easement
US 74 Bypass Slope Failure
Eugene A. Conti, Jr.
SECRETARY
Attached is a plan sheet of a temporary drainage easement we need to obtain from the von
Drehle Corporation in Richmond County. Several months ago we had a major slope failure on
US 74 Bypass and lost thousands of yards of silt into a stream adjacent to the slope failure. The
Division of Water Quality and Army Corps of Engineers have requested that NCDOT install a
temporary riser basin (STD 1630.01) in the stream on the von Drehle property to collect silt and
further prevent it from going downstream into an EEP site. The EEP site was obtained from the
von Drehle Corporation as well. This riser basin will remain in place for some time and possibly
even several years until the stream has regenerated itself. Therefore, I feel that a temporary
drainage easement will be all that is required from the property owner.
The von Drehle folks gave us permission early on to access their property to install a
temporary rock check dam in the stream as requested by DWQ and the Corp without any
compensation, just a verbal okay. We have access through their gate to this property to keep a
watch on the check dam and for use while we have surveyed for the TDE, access road, etc. The
TDE is approximately 1.683 acres in size; the access easement along the existing farm/hunt road
is 0.49 acres for a total area of 2.173 acres.
A 95' by 185' riser basin will be installed just north of the farm road where the rock
check dam is located. The basin will collect silt while allowing water to flow on downstream.
NCDOT will install a 54" CMP with 60" riser in the stream replacing the existing 24" pipe and
the dam/dyke of the basin will be constructed in the existing road bed. This dyke will also serve
as the road and will be covered with stone so that the property owner can access their property on
the other side of the stream. The only access now at this location is across a "ford" in the stream
219 Clemmer Road, Rockingham, North Carolina 28379
Phone [phone] Fax [phone]

Pagc 2
where people have been crossing as needed. The TDE is much larger than the actual basin so
that DOT has room to access the basin for frequent silt removal. DOT will also improve the
access road as needed with ABC stone or larger ballast stone so as to not damage the integrity of
the existing road.
The von Drehle Corporation can be reached at 910-410-9131. Based on my experience,
you may have to talk with one of the von Drehle's to obtain the needed easement. They are
familiar with DOT and/or the State because we have an EEP sitejust south of the location in
question. I feel that if we make just compensation to them for the temporary loss of timber and
land, they will gladly sign right of way for the TDE. I will be glad to meet with you or your staff
on site to discuss our plans if needed or to meet with someone from the von Drehle Corporation
so that they understand what DOT needs to do and what DOT is going to do for them on their
property. Charges for your staff and for ri0it of way costs can be made to WBS Element
8.107711 (Richmond Primary).
Please advise if yon have any questions or need additional information. Also, please
expedite this process so that we can proceed with installing the basin as soon as possible.
Thanks.
Attachment
cc. Timothy Johnson, PE, Division Engineer
Jeff Picklesimer, PE, Division Maintenance Engineer
Andy Cochran, County Maintenance Engineer
Art King, Division Environment Officer
119 Clemmer Road, Rockinghmn, North Carolina 28379
Phone [phone] Fax [phone]
II CT: TEMPORARY DRAINAGE EASE,
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