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Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
DEC 2 2 2006
December 21, 2006
VERAti fWATER Rln
MEMORANDUM BRANCH
To: Melba McGee, Environmental Coordinator, DENR
From: Sue Homewood, NC Division of Water Quality, Winston-Salem Regional Office .
Subject: Scoping comments on proposed improvements to US 321/US 64 Intersection in Caldwell
County, State Project No. 35994.1.1, TIP U-44435.
Reference NCDOT correspondence dated November 21, 2006 in which you requested comments for the
referenced project. Preliminary analysis of the project reveals the potential for multiple impacts to
perennial streams in the project area. More specifically, impacts to: .
Stream Name River Basin
- Stream
Classifications Stream Index
Number
Lower Creek Catawba C 11-39-(0.5)
Zacks Fork Creek Catawba C 11-39-1
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:
1. Zacks Fork Creek is class C; 303(d) waters of the State. Zacks Fork Creek is on the 303(d) list for
impaired use for aquatic life due to Agriculture. DWQ is very concerned with sediment and
erosion impacts that could result from this project. DWQ recommends that the most protective
sediment and erosion control BMPs be implemented to reduce the risk of nutrient runoff to Zacks
Fork Creek. 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. The environmental document should 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.
Transportation Permitting Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone] / FAX [phone] / Internet: http://h2o.enr.state.nc.us/ncwetiands
NO a Carotin
AWMInd!y
An Equal Opportunity/Affirmative Action Employer - 50% Recycled/10% Post Consumer Paper
3. Environmental assessment alternatives should consider design criteria that reduce the impacts to
streams and wetlands from storm water runoff. These alternatives should 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.
4. 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 should be designed to replace appropriate
lost functions and values. The NC Ecosystem Enhancement Program may be available for use as
wetland mitigation.
5. In accordance with the Environmental Management Commission's Rules f 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 should be designed
to replace appropriate lost functions and values. The NC Ecosystem Enhancement Program may
be available for use as stream mitigation.
6. If abridge 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) should not be placed in the stream when possible.
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 should not discharge directly into the stream. Stormwater should 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 should be maintained to prevent direct
contact between curing concrete and stream water. Water that inadvertently contacts uncured
concrete should 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 should be seeded or mulched to stabilize the soil and
appropriate native woody species should be planted. When using temporary structures the area
should 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 should 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 should 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 3494/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 should 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 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 should not be placed in wetlands and streams.
19. Borrow/waste areas should 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 should 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 should 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 should 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 should be stabilized with grass and planted
with native tree species. Tall fescue should not be used in riparian areas.
23. Riprap should 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 Sue Homewood at 336-771-4964
cc: Joe Miller, NCDOT PDEA
John Thomas, US Army Corps of Engineers, Raleigh Field Office
Jake Risggsbee, Federal Highway Administration
Chris Miltcher, Environmental Protection Agency
Marla Chambers, NC Wildlife Resources Commission
Marella Buncick, US Fish and Wildlife Service
DWQ Winston-Salem Regional Office
DWQ Asheville Regional Office
DWQ 401 Transportation Permitting Unit
Department of Environment and Natural Resources
Office of Legislative and Intergovernmental Affairs
Project Review Form
Project Number: 07-0200 County: Caldwell
Due Date: 01/01/2007
Date Received: 12/06/2006
Project Description: Proposal to construct an interchange at existing at-grade intersection of US 321 & US 64 in the
City of Lenoir, Caldwell County. TIP No. U-4435
This Project is being reviewed as indicated below:
Regional Office Regional Office Area In-House Review
T_ Asheville _J]L Air Soil & Water Marine Fisheries
Fayetteville TT Water Coastal Management Water Resources
Mooresville T Groundwater Wildlife T Environmental Health
Raleigh Solid Waste Mgmt
T Land Quality Engineer TWildlife -DOT
Washington Radiation Protection
TT Forest Resources
Wilmington Other
Winston-Salem Land Resources
T Parks & Recreation
_ Water Quality
T Water Quality - DOT
Air Quality
Manager Sign-Off/Region: Date: In-House Reviewer/Agency:
Response (check all applicable)
No objection to project as proposed. No Comment
Insufficient information to complete review Other (specify or attach comments)
Regional Office Only:
Please log into the IBEAM system and update your comments in the DSS (Decision Support System) application,
SEPA module. If you have any questions, please contact:
Melba McGee, Environmental Coordinator at [e-mail] 4A

Department of Environment and Natural Resources
Office of Legislative and Intergovernmental Affairs
Project Review Form
Project Number: 07-0200 County: Caldwell
Due Date: 01/01/2007
Date Received: 12/06/2006
Project Description: Proposal to construct an interchange at existing at-grade intersection of US 321 & US 64 in the
City of Lenoir, Caldwell County. TIP No. U-4435
This Protect is being reviewed as indicated below:
Regional Office Regional Office Area In-House Review
T Asheville TT Air Soil & Water Marine Fisheries
Fayetteville TT Water Coastal Management Water Resources
Mooresville TT Groundwater Wildlife TT Environmental Health
Raleigh Solid Waste Mgmt
TLand Quality Engineer TWildlife -DOT
Washington Radiation Protection
TT Forest Resources
Wilmington Other
Winston-Salem Land Resources
I Parks & Recreation
Water Quality
T Water Quality - DOT
Air Quality
Manager Sign-Off/Region: Date: In-House Reviewer/Agency:
Response (check all applicable)
No objection to project as proposed. No Comment
Insufficient information to complete review Other (specify or attach comments)
Regional Office Only:
Please log into the IBEAM system and update your comments in the DSS (Decision Support System) application,
SEPA module. If you have any questions, please contact:
Melba McGee, Environmental Coordinator at [e-mail]

19
DEC 2026
STATE OF NORTH CAROLINAc6,
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY LYNDO TIPPETT
GOVERNOR
SECRETARY
November 21, 2006
0
MEMORANDUM TO: Ms. Chrys Baggett, Director
State Clearinghouse
Department of Administration
FROM: PGregory J. Thorpe, Ph.D., Manag r
Project Development and Environmental Analysis Branch
SUBJECT: Start of Study to construct an interchange at the
existing US 321/US 64 intersection in Caldwell County,
WBS No. 35994.1.1, TIP No. U-4435
The North Carolina Department of Transportation (NCDOT) Project Development and
Environmental Analysis Branch is starting project development, environmental and engineering
studies to construct an interchange at the existing US 321/US 64 intersection in Caldwell County,
North Carolina. The project is included in the 2007-2013 North Carolina Transportation
Improvement Program and is programmed for planning and environmental study only.
Attached for your review and comments are the scoping information sheets for the
proposed project. We would appreciate any information you might have that would be helpful in
evaluating potential impacts of the project. If applicable, please identify any permits or approvals
that may be required by your agency. A scoping meeting will be scheduled with NCDOT staff to
discuss the proposed project in more detail. In order to include your comments in our materials
for this meeting, we would appreciate your response by January 5, 2007.
If you would like to attend the scoping meeting, please notify the project engineer. It is
anticipated that a federally funded Environmental Assessment will be prepared for this project.
This document will be prepared in accordance with the National Environmental Policy Act
(NEPA).
If you have any questions concerning the project please contact Joe Miller, PE, Project
Development Engineer of this Branch at [phone], Ext. 269. Please include the TIP
number in all correspondence and comments.
GJ T/plr
Attachment
MAILING ADDRESS: TELEPHONE: [phone] LOCATION:
NC DEPARTMENT OF TRANSPORTATION FAX: [phone] TRANSPORTATION BUILDING
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS 1 SOUTH WILMINGTON STREET
1548 MAIL SERVICE CENTER WEBSITE. WWW.NCDOT.ORG RALEIGH NC
RALEIGH NC 27699-1548
Project Development and Environmental Analysis Branch
Scoping Information Sheet
TIP No.: U-4435 Sent Date: November 28, 2006
WBS No.: 35994.1.1
Federal Aid No: To be determined
Division: 11
Project Description:
Revision Date:
Meeting January 23, 2007
County: Caldwell County
Construct an interchange at the existing at-grade intersection of US 321 and US 64 in the City of
Lenoir, Caldwell County, North Carolina.
General Project Need:
Intersection improvements are needed to relieve traffic congestion, improve levels of service and
safety. The 2004 AADT on US 321 ranged from 32,000 to 37,000 vehicles per day. US 64
AADT was estimated to be 27,000 vehicles per day in 2004.
Metropolitan / Rural Planning Organization Area: Greater Hickory MPO
NEPA/404 Merger Candidate?: Yes No Not sure
Feasibility Study Completed?: Yes No Date
Type of Environmental Documents to be Prepared / Project Schedule:
Environmental Document
Type:
EA
FONSI
Right of Way:
Let:
Dates:
Post Years
Post Years 1
Air Quality Status: Non-attainment Maintenance
SHEET 1
Attainment
Ilk ..
tel.
t1 4 !_ ._
DE-C
u
ti
Design Criteria:
Length of Project Limits: To be developed.
Type of Access Control:
(Existing / Proposed)
Structure Inventory:
Existing access control - partial
Proposed access control - partial or limited
Bridge Number 16
US 64 over Zacks Fork Creek approximately 500 feet west of
US 321 / US 64 intersection
Functional Classification: Principle Arterial
Strategic Corridor Information: Part of Strategic Corridor 15: Gastonia to Johnson City, TN
Expressway: Needs Upgrade
CTP/Thoroughfare Plan Desi 1n ation Boulevard
(Facility Type):
Roadway Typical Section:
(Existing / Proposed)
=Existin 5 -12ft. wide lanes with free flow right turn lanes
: To Be Determined
Typical Section in Compliance with Conformity Determination:
Yes ? No
Right of Way;
(Existing / Proposed)
Existing: approximately 100 ft.
Proposed: to be determined
Existing Posted Speed: 45 mph Proposed Design Speed: 50 mph
Traffic AADT):
Current Year:
Design Year:
% TTST:
2004 (US 321) 37,000;
(US 64) 27,000
2025 To be developed.
Design Standards Applicable:
Railroad Involvement:
Cost Estimate:
TIP Estimate:
Current Estimate:
% Dual:
% DHV:
AASHTO 3R
Construction: Right of Way: Total Cost:
$28,000,000 $8,000,000 $36,000,000
SHEET 2
;r "? ?•? 321
J 2ss Kings Creek
\ ! 1 90
Patterson
Cedar Rock,
almexd
Lenoir
o Collettsville
ti'1 r r.r i Gamewell 321
Cajah's
t Mountain Hudson
Sawmills
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LoweF Creek
Sch
% 64 \
j
01
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0 0.125 0.25 0.5
Miles
Legend
U-4435 Study Area
----- City Boundaries
S'
US Highways 'A
State Highways
Source Lenoir Quad, USGS, 1993
Title Vicinity Map
Prepared For:
o« ?^ Project Caldwell County, North Carolina
Date TIP # Figure
September 2006 U-4435 1
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Prepared For:
^«,? Project Caldwell County, North Carolina
Date TIP # Figure
November 2006
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Legend
} Architectural Resources i National Wetlands Inventory Areas
Histoncal Places Q Hazardous Substance Disposal Sites
Air Quality Pollution Discharge Points - Perennial Streams, DWO
OH Hazardous Waste Facilities City Boundaries
US Highways
S? Floodplain
- State Highways
Title Environmental Constraints
Prepared For
S
0
L
4

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N
0 0.25 0.5 1
Miles
.olfTM Project Caldwell County, North Carolina
i
m? Date TIP #
November 2006 U-4435
FM' a rn?°
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E 2006
per'
STATE OF NORTH CAROLIN txa
DEPARTMENT OF TRANSPORTATION LZZ,;?'
MICHAEL F. EASLEY LYNDo TIPPETT
GOVERNOR
SECRETARY
November 21, 2006

MEMORANDUM TO: Ms. Chrys Baggett, Director
State Clearinghouse
Department of Administration
FROM: Gregory J. Thorpe, Ph.D., Manag r
Project Development and Environmental Analysis Branch
SUBJECT: Start of Study to construct an interchange at the
existing US 321/US 64 intersection in Caldwell County,
WBS No. 35994.1.1, TIP No. U-4435
The North Carolina Department of Transportation (NCDOT) Project Development and
Environmental Analysis Branch is starting project development, environmental and engineering
studies to construct an interchange at the existing US 321/US 64 intersection in Caldwell County,
North Carolina. The project is included in the 2007-2013 North Carolina Transportation
Improvement Program and is programmed for planning and environmental study only.
Attached for your review and comments are the scoping information sheets for the
proposed project. We would appreciate any information you might have that would be helpful in
evaluating potential impacts of the project. If applicable, please identify any permits or approvals
that may be required by your agency. A scoping meeting will be scheduled with NCDOT staff to
discuss the proposed project in more detail. In order to include your comments in our materials
for this meeting, we would appreciate your response by January 5, 2007.
If you would like to attend the scoping meeting, please notify the project engineer. It is
anticipated that a federally funded Environmental Assessment will be prepared for this project.
This document will be prepared in accordance with the National Environmental Policy Act
(NEPA).
If you have any questions concerning the project please contact Joe Miller, PE, Project
Development Engineer of this Branch at [phone], Ext. 269. Please include the TIP
number in all correspondence and comments.
GJT/plr
Attachment
MAILING ADDRESS: TELEPHONE: [phone] LOCATION:
NC DEPARTMENT OF TRANSPORTATION FAX: [phone] TRANSPORTATION BUILDING
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS 1 SOUTH WILMINGTON STREET
1548 MAIL SERVICE CENTER WEBSITE: WWW.NCDOT.ORG RALEIGH NC
RALEIGH NC 27699-1548
Project Development and Environmental Analysis Branch
Scoping Information Sheet
TIP No.: U-4435 Sent Date: November 28, 2006
WBS No.: 35994.1.1
Federal Aid No: T. be determined
Division: 11
Project Description:
Revision Date:
Meeting Dater January 23, 2007
County. Caldwell County
Construct an interchange at the existing at-grade intersection of US 321 and US 64 in the City of
Lenoir, Caldwell County, North Carolina.
General Project Need:
Intersection improvements are needed to relieve traffic congestion, improve levels of service and
safety. The 2004 AADT on US 321 ranged from 32,000 to 37,000 vehicles per day. US 64
AADT was estimated to be 27,000 vehicles per day in 2004.
Metropolitan / Rural Planning Organization Area: Greater Hickory MPO
NEPA/404 Merger Candidate?: Yes No Not sure
Feasibility Study Completed?: Yes No Date
Type of Environmental Documents to be Prepared / Project Schedule:
Environmental Document:
Type:
EA
FONSI
Right of Way:
Let:
Dates:
Post Years 1
1 Post Years 1
Air Quality Status: Non-attainment Maintenance
SHEET 1
Attainment
R n ?
r " D e `?-'
ti
, j
Design Criteria:
Length of Project Limits: To be developed.
Type of Access Control:
(Existing / Proposed)
Structure Inventory:
Existing access control - partial
Proposed access control - partial or limited
Bridge Number 16
US 64 over Zacks Fork Creek approximately 500 feet west of
US 321 / US 64 intersection
Functional Classification: Principle Arterial
Strategic Corridor Information: Part of Strategic Corridor 15: Gastonia to Johnson City, TN
Expressway: Needs Upgrade
CTP/Thoroughfare Plan Designation Boulevard
(Facility Type
Roadway Typical Section:
(Existing / Proposed)
Existing: 5 -12ft. wide lanes with free flow right turn lanes
Proposed: To Be Determined
Typical Section in Compliance with Conformity Determination:
Yes ? No
Right of Way_
(Existing / Proposed)
Existing: approximately 100 ft.
Proposed: to be determined
Existing Posted Speed: 45 mph Proposed Design Speed: 50 mph
Traffic (AADT):
Current Year:
Design Year:
2004 (US 321) 37,000;
(US 64) 27,000
2025 To be developed.
% TTST:
% Dual:
% DHV:
Design Standards Applicable: AASHTO 3R
Railroad Involvement:
none
Cost Estimate:
TIP Estimate:
Current Estimate:
Construction: Right of Way: Total Cost:
$28,000,000 $8,000,000 $36,000,000
SHEET 2
. 1- 321
Kings Creek
s0 2ss
/. Patterson
' Valmead Cedar Rock
Lenoir
Collettsville
• . .a r ; rr. } - Gamewell 321
j_ r r t It sa Cajah's
Mountain Hudson
Sawmills
81
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Sch
I ? ? } f f»2. 64 ?
10
' ? ? SUr•.ic
ry,dri
LI';?
0 0.125 0.25 0.5
nr•r•.-. Miles
Legend \ -
U-4435 Study Area - V -??
----- City Boundaries
US Highways -?.
State Highways
Source Lenoir Quad. USGS, 1993
Title Vicinity Map
Prepared For:
and Project Caldwell County, North Carolina
Date TIP # Figure
September 2006 U-4435 1
FAT
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J?. r y ti
Title Study Area Map
Prepared For.
.o., Project Caldwell County, North Carolina
A l\
\ Date TIP # Figure
?,`fFr Of ?'M5?
November 2006 U-4435 2
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21
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5 -
City of`LenoirT
321
ALT ??? 1 Study Area
i
tir High 5
Gee
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Legend
r] Architectural Resources National Wetlands Inventory Areas y
N
Historical Places ®Hazardous Substance Disposal Sites
Air Quality Pollution Discharae Points Perennial Streams, DWQ
QH Hazardous Waste Facilities -- City Boundaries 0 0.25 0.5 1
US Highways Miles
Floodplain
?- State Highways ---
Title Environmental Constraints
Prepared Fcr:
of a Project Caldwell County, North Carolina
t
' Date TIP # Figure
T ..
November 2006 U-4435 3

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