20171650_Scoping Comments_20110304

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NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Duality
Beverly Eaves Perdue Coleen H. Sullins
Governor Director
March 4, 2011
MEMORANDUM
TO: Mark W. Craig, PE, NCDOT Division 5 Bridge Manager
FROM: Rob Ridings, NCDWQ Transportation Permitting Unit
SUBJECT: Scoping Review of NCDOT's Proposed Bridge Replacement Projects
Dee Freeman
Secretary
In reply to your correspondence dated received February 25, 2011 in which you requested comments for
the above referenced projects, the NCDWQ offers the following comments:
Project-Specific Comments
Bridge No. 720002 on SR 1519 over Mill Creek [(22-58-15-2), class C], Person County
Bridge No. 380129 on SR 1400 over Johnson Creek 1(23-2-7-(2)), class B[, Granville County
Bridge No. 380136 on SR 1300 over Mountain Creek [(23-2-3), class C[, Granville County
Bridge No. 900024 on SR 1341 over Little Island Creek [(234-3), class C[, Vance County
Bridge No. 720036 on SR 1123 over South Flat River [(27-3-30), class WS-III, NSW[, Person Co.
Bridge No. 720188 on SR 1728 over Cub Creek [(28-3), class WS-IV, NSW[, Person County
Bridge No. 340035 on SR 1222 over Buffalo Creek [(28-22), class WS-IV, NSW[, Franklin County
Bridge No. 340063 on SR 1617 over Big Peachtree Creek [(28-68-1), class C, NSW[, Franklin Co.
Bridge No. 340044 on SR 1003 over Lynch Creek 1(28-21-(0.7)), class WS-IV, NSW), Franklin Co.
Bridge No. 340139 on SR 1003 over Lynch Creek 1(28-21-(0.7)), class WS-IV, NSW 1, Franklin Co.
Bridge No. 920043 on SR 1620 over Shocco Creek 1(28-79-22), class C, NSW[, Warren County
Bridge No. 920132 on SR 1631 over Mill Branch [(28-79-13), class C, NSW[, Warren County
NCDWQ is very concerned with sediment and erosion impacts that could result from these projects.
NCDWQ recommends that highly protective sediment and erosion control BMPs be implemented
to reduce the risk of nutrient runoff to these waters. NCDWQ requests that road design plans
provide treatment of the storm water runoff through best management practices as detailed in the
most recent version of NCDWQ's Stormwater Best Management Practices.
2:" 'Bridges 720188,140635,346063,'340044, 340139, 920043; and 920132 a`re witfiiii the Tar=-
Pamlico River Basin. Riparian buffer impacts shall be avoided and minimized to the greatest extent
possible pursuant to 15A NCAC 2B.0259.
3. Bridge 720036 is within the Neuse River Basin. Riparian buffer impacts shall be avoided and
minimized to the greatestextent possible pursuant to 15A NCAC 26.0233.
Transporla6on Permitting Unit - 1?TOne
1650 Mail Service Center, Raleigh, North Carolina 27699.1650 1? OrthiCarollna
Location: 2321 Crabtree Blvd619-733-6893'1 Raleigh, North Carolina 27604 Hoi
Phone: 919,-733-17861 FAX: ?f
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' Intemet hap:llh2o.enrstate.nc.uslncwetlandsl -
An Equal Opportunity 1 Affirmative Action Employer
Bridge No. 310220 on SR 1004 over UT Eno River 1(27-2-(20.5)), class WS-IV, CA, NSWI, Durham
Bridge No. 910162 on SR 2224 over Little River [(27-57-(7.5)), class WS-H, HQW, CA, NSW),
Wake County
Review of these projects reveals the presence of surface waters classified as Water Supply Critical
Area in the project study area. Given the potential for impacts to these resources during the project
implementation, the NCDWQ requests that NCDOT strictly adhere to North Carolina regulations
entitled "Design Standards in Sensitive Watersheds" (15A NCAC 04B .0124) throughout design.
and construction of the project. This would apply for any area that drains to streams having WS
CA (Water Supply Critical Area) classifications. Road design plans shall provide treatment of the
storm water runoff through best management practices as detailed in the most recent version of
NCD WQ's Stormwater Best Management Practices.
Should the bridge projects be located within the Critical Area of a Water Supply, NCDOT may be
required to design, construct, and maintain hazardous spill catch basins in the project area. The
number of catch basins installed shall be determined by the design of the bridge, so that runoff
would enter said basin(s) rather than flowing directly into the stream, and in consultation with the
DWQ.
2. Bridge 910162 has the presence of surface waters classified as HQW, High Quality Waters of the
State in the project study area. This is one of the highest classifications for water quality. Pursuant
to 15A NCAC 2H. 1006 and I SA NCAC 2B.0224, NCDOT will be required to obtain a State
Stormwater Permit prior to construction.
These projects are both within the Neuse River Basin. Riparian buffer impacts shall be avoided and
minimized to the greatest extent possible pursuant to 15A NCAC 2B.0233).
Bridge No. 920012 on SR 1112 over Fishing Creek [(28-79-(1)), class C, NSW, 303(d)1, Warren -_
County
Fishing Creek is on the 303(d) list of impaired waters of the State. NCDWQ is very concerned
with sediment and erosion impacts that could result from this project. NCDWQ recommends that
the most protective sediment and erosion control BMPs be implemented in accordance with
Design Standards in Sensitive Watersheds to reduce the risk of nutrient runoff to Fishing Creek.
NCDWQ requests that road design plans provide treatment of the storm water runoff through best
management practices as detailed in the most recent version of NCDWQ Stormwater Best
Management Practices.
2. This project is within the Tar-Pamlico River Basin. Riparian buffer impacts shall be avoided and
minimized to the greatest extent possible pursuant to 15A NCAC 26.0259.
Bridge No. 340059 on SR 1426 over UT Sandy Creek [(28-78-1-(14)), class C, NSW, +1, Franklin
. . __ .
County .. _
Sandy Creek is class C; NSW; +, waters of the State. (The "plus" designation refers to waters
directly upstream of Outstanding Resource Waters, or ORW.) The water quality classification of
ORW is one of the highest classifications in the State. NCDWQ is extremely concerned with any
impacts that may occur to streams with this classification. It is preferred that these resources be
avoided if at all possible. If it is not possible to avoid these resources, the impacts shall be
minimized to the greatest extent possible. Given the potential for impacts to these resources
during the project implementation, the NCDWQ requests that NCDOT strictly adhere to North
Carolina regulations entitled "Design Standards in Sensitive Watersheds" (15A NCAC 04B
.0124) throughout design and construction of the project.

2. This project is within the Tar-Pamlico River Basin. Riparian buffer impacts shall be avoided and
. minimized to the greatest extent possible pursuant to 15A NOAC 2B.0259.
General Comments Regarding Bridge Replacement Projects
I. NCDWQ is very concerned with sediment and erosion impacts that could result from these projects.
NCDOT 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.
2. If foundation test borings are necessary; it shall be noted in the document. Geotechnical work is
approved under General 401 Certification Number 3687/Nationwide Permit No. 6 for Survey
Activities.
3. If a bridge is being replaced with a hydraulic conveyance other than another bridge, NCDWQ
believes the use of a Nationwide Permit may be required. Please contact the US Army Corp of
Engineers to determine the required. permit(s).
4. 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.
5. Whenever possible, NCDWQ 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 shall allow for human and
wildlife passage beneath the structure. Fish passage and navigation by canoeists and boaters shall
not be blocked. Bridge supports (bents) should not be placed in the stream when possible.
6. 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
NCDWQ's Stormwater Best Management Practices.
7. 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.
8. 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 shall 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-equipmentand',leaving the stumps and rootmat intact allows•the area tore-vegetate'
naturally and minimizes soil disturbance.
9. 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.
10. All work in or adjacent to stream waters shall be conducted in a dry work area unless otherwise
approved by NCDWQ. Approved BMP measures from the most current version ofNCDOT
Construction and Maintenance Activities manual such as sandbags, rock berms, cofferdams and
other diversion structures shall be used to prevent excavation in flowing water.
I I
1 1. 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.
12. In most cases, the NCDWQ prefers the replacement of the existing structure at the same location
with road closure. If road closure is not feasible, a temporary detour shall 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 shall 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.
13. Any anticipated bank stabilization associated with culvert installations or extensions should be
addressed in permit application.
14. Any anticipated dewatering or access structures necessary for construction of bridges should be
addressed in the permit application.
General Comments if Replacing the Bridge with a Culvert
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 NCDWQ. If this condition is unable to be met due to bedrock
or other limiting features encountered during construction, please contact the NCDWQ for guidance
on how to proceed and to determine whether or not a permit modification will be required.
2. 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, fioodplain benches and/or
sills may be required 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.
3. 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 shall be properly designed,
sized and installed.
Thank you for requesting our input at this time. NCDOT is reminded that issuance of a 401 Water
;Quality Certificatiomrequires 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: Eric Alsmeyer, US Army Corps of Engineers, Raleigh Field Office
Chris Murray, Division 5 Environmental Officer
File Copy
s. Z
201,
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
BEVERLY EAVES PERDUE
GOVERNOR
Mr. Rob Ridings
NC - Division of Water Quality
2321 Crabtree Blvd., Suite 250
Raleigh, North Carolina 27604
February 21, 2011
EUGENE A. CONTI, JR.
SECRETARY
RE: Request for comments on NCDOT County Bridge Replacement Projects:
Person County Bridge No. 720002 on SR 1519 over Mill Creek
Person County Bridge No. 720036 on SR 1123 over South Flat River
Person County Bridge No. 720188 on SR 1728 over Unnamed Creek
Granville County Bridge No. 380129 on SR 1400 over Beech Creek
Granville County Bridge No. 380136 on SR 1300 over Mountain Creek
Franklin County Bridge No. 340035 on SR 1222 over Buffalo Creek
Franklin County Bridge No. 340044 on SR 1003 over Eaves Creek
Franklin Country Bridge No. 340059 on SR 1426 over-Trib. of Sandy Creek
Franklin County Bridge No. 340063 on SR 1617 over Peachtree Creek
Franklin County Bridge No. 340139 on SR 1003 over Eaves Creek Overflow
Warren County Bridge No. 920012 on SR 1112 over Fishing Creek
Warren County Bridge No. 920043 on SR 1620 over Shocco Creek
Warren County Bridge No. 920132 on SR 1631 over Trib. of Fishing Creek
Vance County Bridge No. 900024 on SR 1341 over Little Island Creek
Durham County Bridge No. 310220 on SR 1004 over Unnamed Creek
Wake County Bridge No. 910162 on SR 2224 over Little River
Dear Mr. Ridings:
The North Carolina Department of Transportation (NCDOT) is preparing the planning and
environmental studies for the above referenced bridge replacement projects. It is anticipated that
the projects will be processed as a Low Impact Bridge Replacement Programmatic Categorical
Exclusions which must meet the requirements of a USACE Nationwide Permit 3.
The purpose of this letter is do solicit your input concerning the potential impacts of the sixteen
proposed projects upon social, economic, demographic, land use or environmental conditions near
the project sites. A vicinity map along with existing bridge photos are attached illustrating a
description of each project.
MAILING ADDRESS: TELEPHONE: [phone] LOCATION: -
DIVISION 5 BRIDGE MAINTENANCE FAX: [phone] BERYL ROAD'
1565 MAR SERVICE CENTER - - - RALEIGH, NC 27606
RALEIGH NC 27699-1565 --

Please note that there will be no formal interagency scoping meeting for this project. This letter
constitutes solicitation for scoping comments. To allow us to fully evaluate the impacts of the
proposed projects, please respond in writing by March 21, 2011, to the address below concerning
any beneficial or adverse impacts of the proposed projects relating to the interest of your agency.
If you have any questions or comments concerning the projects, please contact me at 919-733-4699
or email mwcraigl @ncdot.gov. Thank you for your assistance.
Sincerely,
Mark W. Craig, PE
Division Bridge Program Manager
MAILING ADDRESS: - TELEPHONE: [phone]
DIVISION 5 BRIDGE MAINTENANCE FAX: [phone]
1565 MAIL SERVICE CENTER _
RALEIGH NC 27699-1565 -
LOCATION:
4809 BERYL ROAD
RALEIGH. NC 27606
VICINITY MAP
NORTH CAROLINA DEPARTMENT OF
TRANSPORTATION
DIVISION OF HIGHWAYS
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WARREN COUNTY
REPLACE BRIDGE No. 920043 ON SR 1620
OVER SHOCCO CREEK
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