20120034 Ver 1_Scoping Comments_20090217

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NC®ENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H Sullins
Governor Director
February 17, 2009
MEMORANDUM
To Kim Gillespie, Project Engineer, NCDOT PDEA
From Rob Ridings, NC DWQ, Transportation Permitting Unit Mfr
Dee Freeman
Secretary
Subject Scoping comments on proposed widening to US 13 in Wayne County, Federal Aid Project No STP-00 13(2 1),
State Project No 39026 1 1, TIP No U-3609A
Reference your correspondence dated February 13, 2009 in which you requested comments for the referenced project
Preliminary analysis of the project reveals the potential for impacts to surface waters in the project area More
specifically, impacts to

Stream Name River Basin &
Subbasin Stream Classifications Stream Index
Number
UT Billy Branch NEU 05 C NSW 27-62-3
Further investigations at a higher resolution should be undertaken to verify the presence of other streams and/or
jurisdictional wetlands in the area In the event that any jurisdictional areas are identified, the Division of Water Quality
requests that NCDOT consider the following environmental issues for the proposed project
Project Specific Comments:
1 UT Billy Branch is class C, NSW waters of the State DWQ is very concerned with sediment and erosion impacts that
could result from this project DWQ recommends that highly protective sediment and erosion control BMPs be
implemented to reduce the risk of nutrient runoff to Billy Branch DWQ requests that road design plans provide treatment
of the storm water runoff through best management practices as detailed in the most recent version of NC DWQ
Stormwater Best Management Practices
2 This project is within the Neuse River Basin Riparian buffer impacts shall be avoided and minimized to the greatest
extent possible pursuant to 15A NCAC 2B 0233
3 Any anticipated dewatering or access structures necessary for construction of bridges should be addressed in the CE It
is understood that final designs are not determined at the time the CE is developed However, the CE should discuss the
potential for dewatering and access measures necessary due to bridge construction
Transportation Permitting Unit
1650 Mail Service Center, Raleigh, North Carolina 27699 1650
Location 2321 Crabtree Blvd , Raleigh North Carolina 27604
Phone [phone] \ FAX [phone]
Internet http //h2o enr state nc us/ncwetlands/
NorthCarohna
NaWMAY
An Equal Opportunity \ Affirmative Action Employer
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NC®ENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H Sullins Dee Freeman
Governor Director Secretary
4 Any anticipated bank stabilization associated with culvert installations or extensions should be addressed in the
Categorical Exclusion (CE) document It is understood that final designs are not determined at the time the CE is
developed However, the CE should discuss the potential for bank stabilization necessary due to culvert installation
General Protect Comments:
1 The environmental document shall provide a detailed and itemized presentation of the proposed impacts to
wetlands and streams with corresponding mapping If mitigation is necessary as required by 15A NCAC
2H 0506(h), it is preferable to present a conceptual (if not finalized) mitigation plan with the environmental
documentation Appropriate mitigation plans will be required prior to issuance of a 401 Water Quality
Certification
2 Environmental assessment alternatives shall consider design criteria that reduce the impacts to streams and
wetlands from storm water runoff These alternatives shall include road designs that allow for treatment of the
storm water runoff through best management practices as detailed in the most recent version of NC DWQ
Stormwater Best Management Practices, such as grassed swales, buffer areas, preformed scour holes, retention
basins, etc
After the selection of the preferred alternative and prior to an issuance of the 401 Water Quality Certification, the
NCDOT is respectfully reminded that they will need to demonstrate the avoidance and minimization of impacts to
wetlands (and streams) to the maximum extent practical In accordance with the Environmental Management
Commission's Rules {15A NCAC 2H 0506(h)), mitigation will be required for impacts of greater than 1 acre to
wetlands In the event that mitigation is required, the mitigation plan shall be designed to replace appropriate lost
functions and values The NC Ecosystem Enhancement Program may be available for use as wetland mitigation
4 In accordance with the Environmental Management Commission's Rules {15A NCAC 2H 0506(h)), mitigation
will be required for impacts of greater than 150 linear feet to any single perennial stream In the event that
mitigation is required, the mitigation plan shall be designed to replace appropriate lost functions and values The
NC Ecosystem Enhancement Program may be available for use as stream mitigation
5 DWQ is very concerned with sediment and erosion impacts that could result from this protect NC DOT shall
address these concerns by describing the potential impacts that may occur to the aquatic environments and any
mitigating factors that would reduce the impacts
6 If a bridge is being replaced with a hydraulic conveyance other than another bridge, DWQ believes the use of a
Nationwide Permit may be required Please contact the US Army Corp of Engineers to determine the required
permit(s)
7 If the old bridge is removed, no discharge of bridge material into surface waters is allowed unless otherwise
authorized by the US ACOE Strict adherence to the Corps of Engineers guidelines for bridge demolition will be
a condition of the 401 Water Quality Certification
8 Bridge supports (bents) shall not be placed in the stream when possible
Transportation Permitting Unit
1650 Mad Service Center, Raleigh, North Carolina 27699 1650
Location 2321 Crabtree Blvd , Raleigh, North Carolina 27604
Phone [phone] FAX [phone]
Internet http Yh2o enr state nc uslncwetlands/
NorthCarolina
An Equal Opportunity 1 Affirmative Action Employer
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NC®ENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H Sullins Dee Freeman
Governor Director Secretary
9 Whenever possible, the DWQ prefers spanning structures Spanning structures usually do not require work within
the stream or grubbing of the streambanks and do not require stream channel realignment The horizontal and
vertical clearances provided by bridges allow for human and wildlife passage beneath the structure, do not block
fish passage and do not block navigation by canoeists and-boaters
10 Bridge deck drains shall not discharge directly into the stream Stormwater shall be directed across the bridge and
pre-treated through site-appropriate means (grassed swales, pre-formed scour holes, vegetated buffers, etc ) before
entering the stream Please refer to the most current version of NC DWQ Stormwater Best Management
Practices
11 If concrete is used during construction, a dry work area shall be maintained to prevent direct contact between
curing concrete and stream water Water that inadvertently contacts uncured concrete shall not be discharged to
surface waters due to the potential for elevated pH and possible aquatic life and fish kills
12 If temporary access roads or detours are constructed, the site shall be graded to its preconstruction contours and
elevations Disturbed areas shall be seeded or mulched to stabilize the soil and appropriate native woody species
should be planted When using temporary structures the area shall be cleared but not grubbed Clearing the area
with chain saws, mowers, bush-hogs, or other mechanized equipment and leaving the stumps and root mat intact
allows the area to re-vegetate naturally and minimizes soil disturbance
13 Placement of culverts and other structures in waters, streams, and wetlands shall be below the elevation of the
streambed by one foot for all culverts with a diameter greater than 48 inches, and 20 percent of the culvert
diameter for culverts having a diameter less than 48 inches, to allow low flow passage of water and aquatic life
Design and placement of culverts and other structures including temporary erosion control measures shall not be
conducted in a manner that may result in dis-equilibrium of wetlands or streambeds or banks, adjacent to or
upstream and down stream of the above structures The applicant is required to provide evidence that the
equilibrium is being maintained if requested in writing by DWQ If this condition is unable to be met due to
bedrock or other limiting features encountered during construction, please contact the NC DWQ for guidance on
how to proceed and to determine whether or not a permit modification will be required
14 If multiple pipes or barrels are required, they shall be designed to mimic natural stream cross section as closely as
possible including pipes or barrels at flood plain elevation and/or sills where appropriate Widening the stream
channel shall be avoided Stream channel widening at the inlet or outlet end of structures typically decreases
water velocity causing sediment deposition that requires increased maintenance and disrupts aquatic life passage
15 If foundation test borings are necessary, it should be noted in the document Geotechnical work is approved
under General 401 Certification Number 3624/Nationwide Permit No 6 for Survey Activities
16 Sediment and erosion control measures sufficient to protect water resources must be implemented and maintained
in accordance with the most recent version of North Carolina Sediment and Erosion Control Planning and Design
Manual and the most recent version of NCS000250
17 All work in or adjacent to stream waters shall be conducted in a dry work area unless otherwise approved by NC
DWQ Approved BMP measures from the most current version of NCDOT Construction and Maintenance
Transportation Permitting Unit
1650 Mail Service Center, Raleigh, North Carolina 27699 1650
Location 2321 Crabtree Blvd , Raleigh, North Carolina 27604
Phone [phone] FAX [phone]
Internet http //h2o enr state nc us/ncwetlands/
NorthCarolina
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An Equal Opportunity 1 Affirmative Action Employer

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NC®ENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H Sullins Dee Freeman
Governor Director Secretary
Activities manual such as sandbags, rock berms, cofferdams and other diversion structures should be used to
prevent excavation in flowing water
18 Sediment and erosion control measures shall not be placed in wetlands and streams
19 Borrow/waste areas shall avoid wetlands to the maximum extent practical Impacts to wetlands in borrow/waste
areas could precipitate compensatory mitigation
20 While the use of National Wetland Inventory (NWI) maps, NC Coastal Region Evaluation of Wetland
Significance (NC-CREWS) maps and soil survey maps are useful tools, their inherent inaccuracies require that
qualified personnel perform onsite wetland delineations prior to permit approval
21 Heavy equipment shall be operated from the bank rather than in stream channels in order to minimize
sedimentation and reduce the likelihood of introducing other pollutants into streams This equipment shall be
inspected daily and maintained to prevent contamination of surface waters from leaking fuels, lubricants,
hydraulic fluids, or other toxic materials
22 In most cases, the DWQ prefers the replacement of the existing structure at the same location with road closure
If road closure is not feasible, a temporary detour should be designed and located to avoid wetland impacts,
minimize the need for clearing and to avoid destabilizing stream banks If the structure will be on a new
alignment, the old structure shall be removed and the approach fills removed from the 100-year floodplain
Approach fills should be removed and restored to the natural ground elevation The area shall be stabilized with
grass and planted with native tree species Tall fescue shall not be used in riparian areas
23 Riprap shall not be placed in the active thalweg channel or placed in the streambed in a manner that precludes
aquatic life passage Bioengineering boulders or structures should be properly designed, sized and installed
Thank you for requesting our input at this time The DOT is reminded that issuance of a 401 Water Quality Certification
requires that appropriate measures be instituted to ensure that water quality standards are met and designated uses are not
degraded or lost If you have any questions or require additional information, please contact Rob Ridings at (919) 733-
9817
cc William Wescott, US Army Corps of Engineers, Washington Field Office
Chad Coggms, Division 4 Environmental Officer
File Copy
Transportation Permitting Unit
1650 Mad Service Center, Raleigh, North Carolina 27699 1650
Location 2321 Crabtree Blvd , Raleigh, North Carolina 27604
Phone [phone] FAX [phone]
Internet http //h2o enr state nc us/ncwetlands/
NorthCarohna
An Equal Opportunity 1 Affirmative Action Employer
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? Wnu vndSTATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
BEVERLY EAVES PERDUE EUGENE A CONTI, JR
GOVFRNOR SECRETARY
February 13, 2009
MEMORANDUM TO Mr Rob Ridings
Division of Water Quality/Wetlands
Central Office
FROM rsr Gregory J Thorpe, Ph D, Manageryy PL__
Project Development and Environmental Analysis Branch
SUBJECT Start of Study foi US 13 (Berkeley Boulevard) from SR 1560 (Royal
Avenue) to SR 1003 (New Hope Road), Goldsboro, Wayne County,
NCDOT Division 4, Federal-Aid Project 'STP-0013(21), WBS Element
39026 1 1, TIP Project U-3609A
The Project Development and Environmental Analysis Branch is starting the project
development, environmental and engineering studies for the proposed widening of US 13 The project is
included in the 2009-2015 North Carolina Transportation Improvement Program The project is being
considered for federal economic stimulus funding
We would appreciate any information you might have that would be helpful in evaluating potential
environmental impacts of the project If applicable, please identify any permits of approvals that may be
required by your agency Due to the potential stimulus funding for this project, we would appreciate your
comments by February 27, 2009
It is anticipated that a federally funded Categorical Exclusion will be prepared for this project
This document will be prepared in accordance with the National Environmental Policy Act
If you have any questions concerning the project, please contact Kim Gillespie, Project Planning
Engineer, of this Branch at [phone], Ext 247 Please include the TIP Project Number in all
correspondence and comments
GJT/plr
Attachment
MAILING ADDRESS
NC DEPARTMENT OF TRANSPORTATION
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS
1548 MAIL SERVICE CENTER
RALEIGH NC 27699-1548
TELEPHONE [phone]
FAX [phone]
WEBSITE WWW NCDOT ORG
LOCATION
TRANSPORTATION BUILDING
1 SOUTH WILMINGTON STREET
RALEIGH NC
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PROJECT DEVELOPMENT AND
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US 13 (BERKELEY BOULEVARD) FROM

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