20080986 Ver 2_Application_20110810

0
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
BEVERLY EAVES PERDUE
GOVERNOR
August 3, 2011
Ms. Lori Beckwith, NCDOT Regulatory Project Manager
U.S. Army Corps of Engineers
151 Patton Avenue, Room 208
Asheville, NC 28801-2714
Subject: Nationwide 14 Permit Application Modification
Action ID No. SAW 2008-01924
DWQ Project No. Certification Not Issued
Arrowood Road, SR-1528
Cherokee County
State Project No.: 14C.020098
Dear Ms. Beckwith:
EUGENE A. CONTI, JR.
SECRETARI'
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The North Carolina Department of Transportation (NCDOT) is proposing to widen, grade,
and pave SR 1528, Arrowood Road in Cherokee County. This proposal entails widening and
paving the existing road to a standard 18 foot roadway. The original permit application dated
May 30, 2008, included the extension and/or replacement of 2 corrugated metal culverts.
Once the project was under construction, it was determined that we needed to extend one
additional pipe, Site 3. This will increase the total stream impacts from 40 linear feet to 50
linear feet.
I have enclosed a revised impact table to the PCN Application and plan sheets for the
additional culvert, photographs, and a USGS topographic map. We propose to install the
new culverts slightly below the existing streambed elevations where bedrock is not
encountered to minimize impacts to aquatic habitats and allow the existing stream gradients to
remain as unchanged as physically possible.
The best management practices will be used to minimize and control sedimentation and
erosion on this project. The construction foreman will review all erosion control measures
daily to ensure sedimentation and erosion is being effectively controlled. If the planned
devices are not functioning as intended, they will be immediately replaced with better devices.
The rock silt screens and other erosion control devices will be in place prior to pipe culvert
construction and will remain in place until the project is stabilized.
Impacts to Waters of the United States
Slow Creek is shown as a perennial stream on the USGS topographic and the unnamed
tributaries are shown as intermittent streams but appear to be perennial. Both streams have
well-defined channels with a substrate of primarily gravel and sand. Both channels lack
vegetation. Slow Creek flows into Peachtree Creek approximately 2.6 miles below the project
site. Peachtree Creek in turn flows into the Hiwassee River approximately 1.9 miles below
the confluence with Slow Creek. Hiwassee River meets the definition of a Traditional
Navigable Water. For these reasons, we believe that Slow Creek and the unnamed tributaries
of Slow Creek meet the definition of Relatively Permanent Water and are under the
jurisdiction of the U.S. Army Corps of Engineers. In order to make the desired improvements
to SR 1528, it will be necessary to further impact waters of the United States in the Hiwassee
River Basin. Specifically, in addition to the previously permitted impacts, NCDOT is
requesting to extend one culvert in an unnamed tributary of Slow Creek, (DWQ Class C).
Below is a summary of the additional proposed impacts.
Site No. Existing Condition Proposed Condition Net Impacts
Station
Site 3

(Sta.: 31+50) 21'x 18' CMP 31'x 18" CMP 10'
Site 3 a Free Flowing Channel Flow Diversion 45'
Temporary Flow Diversion Impact 45' linear feet
Pemuts Requested
NCDOT is hereby requesting authorization under Section 404 of the Clean Water Act to
proceed with the construction project outlined above. By copy of this letter, I am asking Mr.
David McHenry, Mountain Region Coordinator, of the North Carolina Wildlife Resources
Commission (NCWRC) to comment directly to you concerning the 404 Nationwide Permit
request.
Also, by copy of this letter, I am requesting authorization under Section 401 of the Clean
Water Act from the North Carolina Department of Environment and Natural Resources
(DENR), Division of Water Quality (DWQ). In addition, I am asking Mr. McHenry and Ed
Ingle, Roadside Environmental Field Operations Engineer (NCDOT), to comment directly to
me concerning this permit request.
If you have any questions or need additional information, please contact me at (828) 321-
4105. Your early review and consideration will be greatly appreciated.
Sincerely,
/Ui , PE
esl Grindst
NCDOT faint nan
cc: Mr. Brian Wrenn DWQ, DENR; Raleigh (four copies)
Mr. Mike Parker, DWQ, DENR, Asheville
Mr. Troy Wilson, Biologist, U.S. Fish and Wildlife Service, Asheville
Mr. David McHenry, Mountain Region Coordinator, NCWRC, Waynesville
Mr. J. B. Setzer, P.E., Division Engineer, NCDOT
Mr. Mark Davis; Division Environmental Officer, NCDOT
Mr. E. L. Ingle, Roadside Environmental Field Operations Engineer, NCDOT
2. Individually list wetland impacts. Types of' impacts include, but are not limited to
mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams,
senaratelv list impacts due to both structure and flooding
Wetland Impact Type of Wetland Located within Distance to Area of
Site Number Type of Impact (e.g.. forested. marsh. 100-year Nearest Impact

(indicate on map)
herbaceous, bog, etc.) Floodplain Stream (acres)
yes/no (linear feet)
N/A

Total Wetland Impact (acres)
3. List the total acreage (estimated) of all existing wetlands on the property: N/A
4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary
impacts. Stream impacts include, but are not limited to placement of fill or culverts, dam
construction, flooding, relocation, stabilization activities (e.g., cement walls, rip-rap, crib
walls, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed,
plans and profiles showing the linear footprint for both the original and relocated streams
must be included. To calculate acreage, multiply length X width, then divide by 43,560.

Stream Impact Average ' Impact
Area of
Number Stream Name Type of Impact ' Perennial or Stream Width Length Impact
(indicate on map) Intermittent? Before Impact (linear (acres)
feet)
Site 1 Sta: 4+30 Slow Creek Culvert P 2.5' 40 0.0055
Site IA Slow Creek Flow Diversion P 2.5' 80' 0.0055
Site 2 Sta: 7+90 UT to Slow Creek Culvert P 1' 0 0.0083
Site 2A UT to Slow Creek Flow Diversion P 1' 60' 0.00275
Site 3 Sta.: 31+50 UT to Slow Creek Culvert P 2' 10' 0.000045
Site 3A UT to Slow Creek Flow Diversion P 2' 45' 0.0021
otal =eiuia ne¢'?geamtIrripacts 50 0.0055
pT'eth"p"oiary Iftipacts for,=F16k0versro&and.Dike g$ 0.00917
5. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.). Open water impacts include, but are not limited to
fill, excavation, dredging, flooding, drainage, bulkheads, etc.
Page 5 of 10
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Name: PEACHTREE Location: 035'06'36.44"N 083057' 07.89" W NAD 27
Date: 8/8/2011 Caption: ARROWOOD ROAD, SR-1528
Scale: 1 inch equals 4000 feet SITE 3, STA. 31+50
CHEROKEE COUNTY
Copynght (C) 1997, Maptech, Inc.
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Name: PEACHTREE Location: 035° 06'57.88" N 083° 56'06.39" W NAD 27
Date: 8/8/2011 Caption: ARROWOOD ROAD, SR-1528
Scale: 1 inch equals 1250 feet SITE 3, STA. 31+50
CHEROKEE COUNTY
Cownoht (C) 1997. MaDtech. Inc.
COUNTY: CHFROKFF
SR. NO.: 1528
RD. NAME: Arrowood Road
PIPE STA.: 31+50
SITE NO.: 3
ROCK OUTLET
PROTECTION-,
TEMPORARY SILT FENCE
& ROCK BERM
GPS: 35.0619 N
84.2668 W

0
z

OLD
CL
NEW
CL

EXCELSIOR MATTING
I
GX3X2 S
ILT BASIN
1 TYPE B W/ (BAFFLE
& TYPE A CHECK
? ROCK INLET
ROTECTION

EXIST. 18" X 20' CMP r
r? ?
2' BRANCH
6X3X2 SILT BASIN
TYPE B W/ (BAFFLE
& TYPE A CHECK
EEMPORARY SILT FENCE
W/ ROCK BERM

ARROWOOD ROAD, SR 1528 WET PIPE PICTURES
CHEROKEE COUNTY
Site 3, Station 31+50
INLET
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Site 3, Station 31+50
Outlet
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ARROWOOD ROAD, SR 1528 WET PIPE PICTURES
CHEROKEE COUNTY
Site 3, Station 31+50
INLET