HomeMy WebLinkAbout20021105 Ver 1_Application_20020710ECEIVED
CO MID
J U L 0 9 2002
STATE OF NORTH CAROLINA W,EIGHREGULATORF FIEU OFFICE;
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY LYNDO TIPPETT
GOVERNOR SECRETARY
July 10, 2002
U. S. Army Corps of Engineers
6508 Falls of the Neuse Road, Suite 120
Raleigh, North Carolina 27615
ATTN.: Mr. Eric C. Alsmeyer
Regulatory Permit Manager
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Dear Sir:
Subject: Individual Permit Application for Section 404 Permit and 401
Certification to provide connectors and upgrade Cook Road (SR 1311)
from US 70 to NC 100. Alamance County. State Project No 8.2472001.
Federal Aid Project No.STP-0701(7). TIP No. U-3110, Sections A and B.
The North Carolina Department of Transportation proposes to construct connectors to
and widen Cook Road (SR 1311) from US 70 to NC 100 (Haggard Road). The proposed
project will aid in the completion of a continuous north-south route in western Alamance
County. This project is part of the Western Alamance Loop and adjoins the proposed St.
Marks Church Road relocation project (TIP No. U-2905) at the southern terminus and the
Elon College Bypass project (TIP No. U-2406) at the northern terminus. Under TIP U-
2406 (let in March 2000), a new connector was constructed from NC 100 to Manning
Avenue (SR 1503). Under TIP U-3110, NC 100 will be bridged via a flyover and
connected to this new NC 100 connector, approximately 1,000 feet north of NC 100.
When the flyover is completed, the unused portion of the NC 100 connector will be lifted.
For clarity, the relevant design sheets from U-2406 are attached to this permit.
Section A of the proposed project has final design. However, since Section B is not due
to be let until 2007, there is only preliminary design. The 4.2-mile proposed project
involves a 4-lane median divided facility with curb and gutter, as well as the construction
of three bridges; one over Michael Branch (Section A), one over the Norfolk Southern
Railway (Section B), and one over NC 100 (Section B). The latter two bridges involve
MAILING ADDRESS: TELEPHONE: 919-733-3141 LOCATION:
NC DEPARTMENT OF TRANSPORTATION FAX: 919-733-9794 TRANSPORTATION BUILDING
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS 1 SOUTH WILMINGTON STREET
1548 MAIL SERVICE CENTER WEBSITE: WWW.DOH.DOT.STATE.NC.US RALEIGH NC
RALEIGH NC 27699-1548
significant grade separations. In addition, a sewer line will be relocated simultaneous with
project construction on Section A. Project design requires the replacement of an existing
utility (sewer) line underneath a wetland adjacent to Michael Branch. Impacts to this
wetland are already proposed with road construction. The length of line through the
wetland will be approximately 252 feet. Additional permanent impacts to jurisdictional
wetlands will result from mechanized clearing, which will be necessary for installation
and maintenance of the line. The wetland area to be cleared will be kept to a minimum.
Preconstruction contours will be restored. Any excess material will be removed to upland
areas and exposed wetland areas revegetated within 15-days of completion. Impacts due
to mechanized clearing have been calculated and included in total impacts for this project.
This application package consists of this cover letter, ENG Form 4345, 8 '/2 x 11-inch
permit drawings, U-2406 design sheets (11x17) of the southern connector to the northern
terminus of U-3110A, natural stream design plan for onsite stream relocation, and half-
size plans (final for Section A and preliminary for Section B).
Purpose and Need: The purpose of the proposed project is to provide a link in the
Western Alamance Loop, which is on the Alamance County Thoroughfare Plan. Also,
the construction of the project will decrease traffic along Williamson Avenue (SR 1301),
which goes directly through the Town of Elon College.
Summary of Impacts: The proposed project is located in the Cape Fear River Basin,
Hydrologic Unit 03030002. All impacts on jurisdictional areas are contained within
Section A of the proposed project. Impacts consist of a total of 0.8 acres of permanent
riverine wetland impacts and 790 linear feet of jurisdictional stream impacts.
Utility Impacts
It will be necessary to relocate the sewer line currently running parallel to Michael
Branch (sheet 12 of 16). The utility line will be relocated underneath the proposed
roadway. Additional impacts will result from wetland fill required to install the sewer line
outside of the roadway footprint and tie it in to existing sewer lines. In order to provide
maintenance access, mechanized clearing will also be necessary. The impacts from this
relocation, although minimal, have been calculated and included with this permit
application. These impacts are included in the total impacts listed at the beginning of the
section and are included in the impacts listed on the permit drawing summary sheet
(Sheet 16 of 16).
Summary of Mitigation: The project has been designed to avoid and minimize impacts to
jurisdictional areas throughout the NEPA and design processes. Detailed descriptions of
these actions are presented elsewhere in this application. Compensatory mitigation for the
remaining impacts consist of:
• 797 feet of on-site stream relocation using natural channel design techniques, which is
described in detail later in this application.
• 0.8 acres of riverine wetland impacts will be mitigated at a ratio of 2:1 by using the
North Carolina Wetland Restoration Program (WRP). We will provide the WRP with
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a payment of $38,400, which is the cost for 1.6 acres of riverine wetlands at a rate of
$24,000 per acre. (Please refer to the attached VW commitment letter, dated May 9,
2002.)
PROJECT SCHEDULE
Schedule: Section A of this project is scheduled to be let for construction in December
2002. Section B is due to be let in October 2007. Table 1 reflects the project breakdown,
section limits, and project let dates.
Table 1. Construction limits and schedule
Sectio°ins: .. Project Limits Let/M Date ;
U-3110A Connector from US 70 to Westbrook Avenue (SR 1909) at December 2002
Cook Road (SR 1311)
U-3110B Cook Road improvements and connector from Westbrook October 2007
Avenue (SR 1909) to NC 100 (Haggard Road)
NEPA DOCUMENT STATUS
An Environmental Assessment (EA) was submitted by the NCDOT in compliance with
the National Environmental Policy Act and was approved on January 24, 1997. A Public
Hearing was held on April 29, 1997 and the Finding of No Significant Impact (FONSI)
was approved on January 30, 1998. The documents addressed Sections A and B of the
proposed project. After the documents were approved they were circulated to federal state
and local agencies. Copies of the EA and FONSI have been provided to regulatory
review agencies involved in the approval process. Additional copies will be provided
upon request.
The subject project is in compliance with 23 CFR Part 771.111(f) which lists the Federal
Highway Administration (FHWA) characteristics of independent utility of a project:
1) The project connects logical termini and is of sufficient length to address
environmental matters on a broad scope;
2) The project has independent utility because it proposes a direct link from US 70 to
NC 100, and is therefore a usable and a reasonable expenditure, even if no
additional transportation improvements are made in the area; and
3) The construction of this project will not restrict consideration of alternatives for
other transportation improvements since it is part of the Western Alamance Loop
on the Alamance County Urban Thoroughfare Plan.
RESOURCE STATUS
Delineations:
Wetland delineations were conducted on September 29, 2000 by NCDOT Biologists
Elizabeth Lusk and Shannon Simpson using the criteria specified in the 1987 Corps of
Engineers Wetland Delineation Manual. Mr. Eric Alsmeyer of the USACE Raleigh
Regulatory Field Office verified the delineations in the field on July 12, 2001. Streams
were delineated on that same day and field verified by Eric Alsmeyer and John Hennessy,
NCDWQ. The attached permit application package consists of drawings depicting
jurisdictional impacts. As previously mentioned, the project will result in a total of 0.8
acres of permanent riverine wetland impacts and 790 linear feet of jurisdictional stream
impacts.
U-3110A• Characterization of Jurisdictional Sites (Table 2): This section has 0.8 acres of
jurisdictional riverine wetlands and 790 feet of jurisdictional streams. There are no
temporary wetland impacts or any impacts to ponds.
WETLANDS: There are two wetland sites, both in Section A. These sites are
characterized as piedmont bottomland hardwood forest seep and drained beaver
impoundment. They are both located adjacent to Michael Branch. The dominant
vegetation in the seep area is false nettle (Boehmeria cylindrica), jewelweed (Impatiens
capensis), Japanese grass (Microstegium vimineum), and tag alder (Alnus serrulata). The
beaver impounded area consists of sparsely populated green ash trees (Fraxinus
pennsylvanica), rush (Juncus sp.), Rotala (Rotala sp.), and sedge (Carex sp.).
STREAMS: There are two crossings of Michael Branch (DEM classification C
NSW (Index No. 15-19-52, 12/1/83). This perennial stream, flowing only through Section
A, has a good riffle/pool sequence and high sinuosity and provides suitable habitat for
fish and macrobenthos. Common mussels (Elliptio sp.) were found in one portion of the
stream.
Table 2. Jurisdictional Impacts on U-3110A
Streams Stream
Permanent
Site Wetland Impacts
=?? Streams,. .Requiring Relocatidn?
*
(act ? z(ft) :Mitigation ?ft**
Riverinc' Non=riverine
1 0.1 0.0 623 623 797
2 0.7 0.0 167 167 0
TOTAL 0.8 0.0 790 790 797
* Includes till, excavation and mechanized ciearing.
* * Natural Channel Design
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Table 3: Jurisdictional Stream Information on U-3110A
Station
Site
Structure,: z °
Stream Name` NCDWQ Impact .. Required,
Number ; Index # (1 ft); Mifigation
12+19-L- to
1
Bridge Michael
16-19-5-2
623
623
14+00-L- Branch
2 18+80-L- to 2@2.8m x Michael 16-19-5-2 167 167
19+40-L- 2.5m RCBC Branch
PROTECTED SPECIES
Plants and animals with Federal classification of Endangered (E) or Threatened (T) are
protected under provisions of Section 7 and Section 9 of the Endangered Species Act of
1973, as amended. As of March 22, 2001, the U.S. Fish and Wildlife Service (FWS)
does not list any federally protected species for Alamance County.
CULTURAL RESOURCES
Per the EA, there are no archaeological or historic issues associated with the proposed
project.
Archaeology: There are no properties either listed or eligible for listing in the National
Register of Historic Places in the area of potential effect. As a result, the SHPO verified
that no archaeological study was required (phone conversation November 1996) (see
EA).
Historic: In a letter dated May 31, 1995, the NC State Historic Preservation Office
(SHPO) stated that there was one structure of historical significance within the general
area of the project. However, an NCDOT Architectural Historian surveyed the project
area and found no structures of historical importance in the area of potential effect. The
SHPO and the FHWQ concurred with NCDOT's conclusion (see Appendix C in the EA).
FEMA COMPLIANCE
The project has been coordinated with appropriate state and local officials and the Federal
Emergency Management Agency (FEMA) to assure compliance with FEMA, state, and
local floodway regulations. Per NCDOT's agreement with FEMA, NCDOT designers
performed the HEC-RAS Hydrologic Model to design an acceptable flood stage.
MITIGATION OPTIONS
The Corps of Engineers had adopted, through the Council on Environmental Quality
(CEQ), a wetland mitigation policy that embraces the concept of "no net loss of
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wetlands" and sequencing. The purpose of this policy is to restore and maintain the
chemical, biological, and physical integrity of the Waters of the United States.
Mitigation of wetland and surface water impacts has been defined by the CEQ to include:
avoiding impacts, minimizing impacts, rectifying impacts, reducing impacts over time
and compensating for impacts (40 CFR 1508.20). Executive Order 11990 (Protection of
Wetlands) and Department of Transportation Order 5660.1A (Preservation of the Nations
Wetlands), emphasize protection of the functions and values provided by wetlands.
These directives require that new construction in wetlands be avoided as much as
possible and that all practicable measures are taken to minimize or mitigate impacts to
wetlands.
The NCDOT is committed to incorporating all reasonable and practicable design features
to avoid and minimize wetland impacts, and to provide full compensatory mitigation of
all remaining wetland impacts. Avoidance measures were taken during the planning,
EA/FONSI, and design phases; minimization measures were incorporated as part of the
project design.
AVOIDANCE: All wetland areas not affected by the project will be protected from
unnecessary encroachment. No staging of construction equipment or storage of
construction supplies will be allowed in wetlands or near surface waters.
• Site 1: The original alignment for U3110A was close to the 5-acre ponds that extend
from STA. 15+60 to 18+60 RT -L-. Alignment was shifted to move away from the
spillway structure and avoid impacting the ponds and allow for more grass swale
length and lessen the impact on wetland areas.
MINIMIZATION: Minimization includes the examination of appropriate and practicable
steps to reduce the adverse impacts. Minimization techniques were implemented as
follows:
• Site 1: The original alignment for U3110A was close to the 5-acre ponds that extend
from STA. 15+60 to 18+60 RT -L-. In addition to avoiding pond impacts, the
realignment at this site allowed for more grass swale length and lessened the impact
on wetland areas.
• Site l: The original design as presented in the EA included a two-barrel reinforced
concrete box culvert at this southernmost crossing of Michael Branch. In order to
minimize and avoid impacts, the design was changed to a bridge with a structure 130
feet in length at a cost of approximately $700,000. This structure will provide
improved flood conveyance and help maintain the continuity of the stream
morphology and community in this reach. While impacts to Michael Branch are still
necessary, a bridge will allow natural stream design of the relocated portion of
Michael Branch, which would not have been possible with a culvert. In addition,
naturalizing the relocated stream will improve the functions and values of Michael
Branch, which is currently incised and down cutting.
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Note: Because of the skew of the creek and floodplain to the proposed road, a
600 foot bridge would be required in order to avoid all impacts to Michael
Branch. Avoidance by realignment of the road is limited by ponds and homes
to the east. Moving further westward would prevent connection to the southern
connector (U-2905) and the northern connector (U-2406).
• Floodplain Functions: The NCDOT has purchased additional permanent drainage
easement (PDE) in the floodplain to the west of the first crossing of Michael Branch.
This additional 2.5 acres will ensure maintenance of the floodplain functions.
• Water velocities and water quality: (Reference permit drawing sheets 4 and 5 of 10).
The original highway geometric for this project allowed for drainage to be collected
for significant distances and discharged to a single point. While this practice would
be hydraulically efficient, detrimental aspects were foreseen with regards to water
quality. For this reason the drainage was separated into smaller systems that allowed
for more vegetated filtering, lower velocities, and lower single point volumes to be
distributed to Michael Branch.
• Stormwater runoff treatment:
° This project will utilize turf reinforcement mats (TRMs) instead of rip-rap in
sections where velocities are above the acceptable threshold for stable vegetation.
The TRMs will allow for vegetation to be used and increase the amount filtration
that stormwater runoff will receive from grassed swales.
° Water collected in the bridge deck drains will not be directed into the stream,
rather the runoff will be filtered by the grassed shoulder prior to contact with the
stream.
• Best Management Practices (BMPs): NCDOT has committed that Sediment and
Erosion Control Guidelines for BMPs for Protection of Surface Waters will be
adhered to during construction to minimize potential negative environmental impacts.
(see FONSI)
• Sediment and Erosion Control Measures: NCDOT will stipulate that sediment and
erosion control measures not be placed in wetlands unless it is absolutely necessary to
place silt fences on wetland boundaries to contain erosion caused by the sheet flow of
water. This commitment will be incorporated into the construction contract awarded
for the proposed project (see FONSI).
• Revegetation: Within 15 days of construction completion, vegetation will be
reestablished on exposed areas with judicious use of pesticide and herbicide.
• Upland Borrow: NCDOT will stipulate borrow material be taken from upland sources
in the construction contract awarded for the proposed project (see FONSI).
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• Drainage: There will be no direct discharge of road drainage into Michael Branch.
All bridge deck drainage and other road drainage will flow through grassed buffers
before running off into the stream.
• Slopes: Fill slopes in wetlands are at a 2:1 ratio.
• Ditching: It is the policy of the NCDOT to eliminate lateral ditching in wetlands as
much as possible, thus preserving the hydrology of adjacent wetlands. This proposed
design has eliminated lateral ditches through wetlands.
COMPENSATION: The primary emphasis of the compensatory mitigation is to
reestablish a condition similar to that that would have existed if the project were not built.
As previously stated, mitigation is limited to reasonable expenditures and practicable
considerations related to highway operation. Mitigation is generally accomplished
through a combination of methods designed to replace wetland and stream functions and
values lost as a result of construction of the project. These methods consist of creation of
new wetlands from uplands, borrow pits, and other non-wetland areas; restoration of
wetlands; and enhancement of existing wetlands, and stream channel relocation
FHWA STEP DOWN COMPLIANCE
All compensatory mitigation must be in compliance with 23 CFR Part 777.9, "Mitigation
of Impacts" that describes the actions that should be followed to qualify for Federal-aid
highway funding. This process is known as the FHWA "Step Down" procedures:
1. Consideration must be given to mitigation within the right-of-way and should
include the enhancement of existing wetlands/streams and the creation of new
wetlands, and naturalization of relocated stream channels in the highway median,
borrow pit areas, interchange areas and along the roadside.
2. Where mitigation within the right-of-way does not fully offset wetland/stream
losses, compensatory mitigation may be conducted outside the right-of-way
including enhancement, creation, and preservation.
Compensatory Wetland Mitigation: The North Carolina Wetland Restoration Program
(WRP) has committed to providing 1.6 acres of riverine wetland mitigation at a ratio of
2:1 for the 0.8 acres of riverine wetland impacts. We will provide the WRP with payment
of $38,400, which is the cost for 1.6 acres at the rate of $24,000 per acre.
Compensatory Stream Mitigation: The 790 linear feet of jurisdictional stream impacts
will be mitigated by 797 feet of on site relocation using natural stream channel design at a
mitigation ratio of 1:1 (see permit drawings for Rosgen analyses and natural channel
design schematics).
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REGULATORY APPROVALS
Application is hereby made for a Department of the Army Individual 404 Permit as
required for the above-described activities. We are also hereby requesting a 401 Water
Quality Certification from the Division of Water Quality. In compliance with Section
143-215.3D(e) of the NCAC we have enclosed a check for $475.00 to act as payment for
processing the Section 401 permit application. We do not anticipate the necessity for
permit modifications for Section B since there will be no impacts to natural resources.
We are providing seven copies of this application to the North Carolina Department of
Environment and Natural Resources, Division of Water Quality, for their review.
If you have any questions or need additional information please call Elizabeth L.
Lusk at (919) 733-7844 extension 335.
Sincereljfl
V. Charles Bruton, Ph.D., Manager,
Office of the Natural Environment, PDEA
cc: Mr. David Franklin, Corps of Engineers, Wilmington Field Office
Mr. John Dorney, NCDWQ (7 copies)
Mr. Garland Pardue, USFWS, Raleigh
Mr. David Cox, NCWRC
Ms. Kathy Matthews, USEPA
Mr. N. L. Graf, P.E., FHWA
Mr. Burt Tasaico, P.E. Program Development Branch
Ms. Deborah Barbour, P.E., Highway Design Branch
Mr. D. R. Henderson, P.E., Hydraulics Unit
Mr. Greg Perfetti, P.E., Structure Design Unit
Mr. Jay Bennett, P.E., Roadway Design Unit
Mr. Mike Mills, P.E., Division 7 Engineer
Mr. Lenwood Smith, Division 7 Environmental Officer
Mr. David Harris, Roadside Environmental Unit
Ms. Karen B. Taylor, P.E., Project Engineer
Attachments:
Permit drawings (includes Natural Channel Design and Rosgen Analyses)
Half-size Plan Sheets for U-2406 connecting TIP project
Form ENG 4345
WRP Commitment letter
Half-size Plan Sheets
9
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NCDOT
DIVISION OF HIGHWAYS
VICINITY ALAMANCE COUNTY
?L PROJECT: 8.2472001 (U-3110A&B)
COOK ROAD UPGRADE AND
MAPS EXTENSION FROM US 70 TO
NORTH OF WEST BROOK AV.
SHEET 1 OF 1 (0 3 / 1 / 02
NORTH CAROLINA
WETLAND LEGEND
-WLB WETLAND BOUNDARY PROPOSED BRIDGE
W?
WETLAND PROPOSED BOX CULVERT
?--W L
DENOTES FILL IN
WETLAND PROPOSED PIPE CULVERT
DENOTES FILL IN
-3 FLOW DIRECTION
?TB_ TOP OF BANK
- WE EDGE OF WATER
- - ? - - PROP. LIMIT OF CUT
SURFACE WATER
DENOTES FILL IN
SURFACE WATER
(POND)
DENOTES TEMPORARY
FILL IN WETLAND
DENOTES EXCAVATION
IN WETLAND
® DENOTES TEMPORARY
EXCAVATION IN
WETLAND
• • DENOTES MECHANIZED
• CLEARING
- - -F- - PROP. LIMIT OF FILL
-A
AlL PROP. RIGHT OF WAY
- - NG - - NATURAL GROUND
- -PL - . PROPERTY LINE
-TOE- TEMP. DRAINAGE
EASEMENT
- PDE - PERMANENT DRAINAGE
EASEMENT
- EAB- EXIST. ENDANGERED
ANIMAL BOUNDARY
- EPB- EXIST. ENDANGERED
PLANT BOUNDARY
-- WATER SURFACE
x x x x x LIVE STAKES
x x x
BOULDER
--- CORE FIBER ROLLS
12"-48"
(DASHED LINES DENOTE PIPES
EXISTNG STRUCTURES) 54" PIPES
& ABOVE
0 SINGLE TREE
WOODS LINE
DRAINAGE INLET
ROOTWAD
UP,
RIP RAP
ADJACENT PROPERTY OWNER
5 OR PARCEL NUMBER
IF AVAILABLE
? PREFORMED SCOUR HOLE
LEVEL SPREADER (LS)
DITCH /
GRASS SWALE
NCDOT
DIVISION OF HIGHWAYS
ALAMANCE COUNTY
PROJECT: 8.2472001 (U-311OA&B)
COOK ROAD UPGRADE AND
EXTENSION FROM US 70 TO
NORTH OF WEST BROOK AV.
SHEET (? OF 5 / 3 / 02
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February 15th, 2002
Project#: 8.2472001(U31 I O-A)
County: Alamance
Description: Cook Road Upgrade and Extension From US 70 to
North of Westbrook Avenue
Stream: Michael's Branch
Subject: Natural Stream Design
Sta 12+19 LT - Sta 13+68 RT -L-
The Cook Road upgrade and extension from US 70 to North Westbrook Avenue is
impacting a total of 236 meters of Michael's Branch in Alamance County. The
placement of a culvert at L-STA 19+30 is impacting 63 meters, while the transverse
crossing of the flood plain from L-STA 12+20 to L-STA 13+80 is impacting 173 meters.
A total of 243 meters of onsite stream restoration will occur from L-STA 12+19 to 13+68
LT. The stream will be designed/classified based on Rosgen principles and techniques
for river morphology.
Existing Channel and Reference Reach
Michael's Branch at the stream location drains 1.5 square miles in the Piedmont
physiographic region. Two hundred meters upstream of the stream restoration are two
ponds with a total surface area of 5 acres. The watershed is primarily urban single family
homes mixed with commercial, multi-family homes, and open space. It is predicted that
the majority of the watershed will be developed. North Carolina State University Stream
Restoration Institute (NCSU-SRI) was consulted about a possible reference reach for this
project. The combination of the upstream impoundments and the urban development did
not yield any candidates. Further field investigation was performed upstream and
downstream of the impacted section to identify a reach that had not been channelized and
had characteristics that exhibited more natural morphological conditions. An existing
channel "reference reach" was identified approximately 426 feet upstream of the
impacted reach. The impacted reach and reference reach were surveyed and information
on bankfull area, depth, width and discharge were collected.
Proposed Channel:
The Cook Road Extension project includes a transverse crossing of the Michael's Branch
floodplain. The transverse crossing not only impacts a significant amount of stream, but
also greatly effects the conveyance of major events. This alignment was reviewed;
however, due to connection with other projects on the north and south and constraints due
to the ponds, no other alternative was identified. The hydraulic design of this project
included installing a bridge and excavating a floodplain downstream of the crossing to
provide the required conveyance during the 100-year event. As a result, a 120-foot wide
NCDOT Division of Highways
Alamance County: Project 8.2472001 (U31 10A &B)
Cook Road Upgrade and Extension from US 70 to North West Brook Av.
Sheet 7 of Jk 6/4/02
Project#: 8.2472001(U3110-A)
Natural Stream Design Sta 12+19 LT - Sta 13+68 RT -L-
2/15/02
floodplain was created to locate approximately 800 feet of stream mitigation. The
proposed channel will begin at STA. 12+19 and end at STA. 13+68 -L-(meters).
Fieldwork for this project was conducted in the fall of 2000 prior to the issuance of the
Version 3.0 Internal Technical Guide for Streamwork in North Carolina. For this reason,
pool parameters were not identified in the existing channel. Water surface elevations as
well as streambed profile are plotted on Figure 1. Bed material varied along the reach
from brown, soft, sandy silty clay to course sand with gravel. HEC-RAS modeling
system was used to determine bankfull flow for existing conditions based on field
observations. This value was then prorated to watershed build-out using discharge
equations in USGS WRI Report 96-4084. Stream mitigation will occur in an excavated
area where boring logs indicate material ranging from silty course sand with gravel to
sandy silty clay. The shear stress and sediment transport for sand was analyzed. Shear
stresses for the proposed stream were calculated based on velocities and flow depths
generated from FHWA V-urban software. This information was then compared to values
for critical velocity and shear stress for sand in HEC-15 and HDS-5 manuals from the
FHA. The comparison showed that the proposed stream to be within acceptable velocity
and shear stress limits that would allow proper sediment transport under bankfull
conditions. Sediment transport characteristics were also analyzed using Shields diagram.
This also showed the fine to medium sand being moved under the bankfull conditions.
The proposed stream was designed to maintain stability under bankfull conditions. The
impoundment immediately upstream and the potential of significant sediment loading due
to future development complicate the dynamics of sediment transport in this system. To
aid in stability, cross vanes along with coir fiber rolls have been added. In addition,
channel side slopes were designed to 15:1 slope to promote stability where possible.
Finally, coir fiber mat will be used in bends and transitions to promote stability prior to
full vegetative establishment.
The objective of the Michael's Branch stream restoration was to establish an E5 stream as
identified in Rosgen's Applied River Morphology due to the stable nature of these
streams. However, soil characteristics which yielded some stability concerns, along with
the wide floodplain that is being developed for flood conveyance, have given this stream
some C5 characteristics. The decreased side slopes along with stability structures will
provide additional stability in this design.
NCDOT Division of Highways
Alamance County: Project 8.2472001 (U31 IOA &B)
Cook Road Upgrade and Extension from US 70 to North West Brook Av.
Sheet 8 of J(e 6/4/02
Project: 8.2472001(U3110-A)
County: Alamance
Description: Cook Road Upgrade and Extension From US 70 to North of Westbrook Avenue
Stream: Michael's Branch
Subject: Natural Stream Design
Sta 12+19 LT - Sta 13+68 RT -L-
Morphological Measurement Table
Variables Existing
Channel* Proposed USGS Reference
Reach Station Reach**
1 stream type G6c C5/E5 G6c
2 drainage area (mi^2) 1.5 1.5 1.5
3 bankfull width (feet) 9.2 48.5 8.9
4 bankfull mean depth (feet) 1.0 0.9 0.9
5 width/depth ratio 8.8 52.9 9.7
6 bankfull cross-sectional area
(ft^2)
9.7
38.5 8.4
7 bankfull mean velocity (feet/sec) 7.2 2.0 8.3
8 bankfull discharge, (cfs) 70.6 77.6 70.6
9 bankfull max depth (feet) 2.0 1.4 1.4
10 width of floodprone area (feet) 14.1 66-130 17.1
11 entrenchment ratio 1.5 1.35-2.7 1.9
12 meander length (feet) 32.8 90-170 49.2
13 ratio of meander length to
bankfull width
3.6
1.9-3.5 4.8
14 Radius of curvature (feet) 28.2 22-50 9.8
15 Ratio of radius of curvature to
bankfull width
3.1
0.47 - 1 1.1
16 Belt width (feet) 10.5 72-115 29.5
17 Meander width ratio 0.32 1.3-1.5 1.6
18 Sinuosity (stream length/valley
length)
1.0
1.6 1.5
19 Valley Slope (ft/ft) 0.009 0.009 0.009
20 Average slope (ft/ft) 0.004 0.003 0.004
21
22 Pool slope
Ratio of pool slope to average
slope 0.0
1.0
23 Maximum pool depth (feet) 2.7
24 Ratio of pool depth to average
bankfull depth
2.9
25 Pool width (feet) 48.5
26
27 Ratio of pool width to bankfull
width
Pool to pool spacing (feet)
1.0
50-65
28
29 Ratio of pool to pool spacing to
bankfull width
Ratio of lowest bank height to
bankfull height (or max bankfull
depth)
1.0-1.4
1.0
* See 2nd paragraph on page 2 of documentation for discussion on pool parameters
** See 2nd paragraph on page 1 of documentation for explanation on reference reach
Sheet __2_ of _1_6 6/4/02 2/15/02
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NCDOT
DIVISION OF HIGHWAYS
ALAMANCE COUNTY
PROJECT: 8.2472001 (U-3110A&B)
COOK ROAD UPGRADE AND
EXTENSION FROM US 70 TO
NORTH OF WEST BROOK AV.
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PROPF,R"IFY OWNERS
NAMES AND ADDRESSES
PARCEL NO. NAMES ADDRESSES
LUTHERAN RETIREMENT 100 Wade Cable Dr.
MINISTRIES Burlington, N.C. 27215
113 Runningbrook Dr.
2 BURLINGTON BUILDERS, INC. Elon, NC 27244
Dr. GEORGE E. KOURY & WIFE 1406 White Oak Rd.
3 MARVELLA V. KOURY Chapel Hill. N.C. 27516
NCDOT
DIVISION OF HIGHWAYS
ALAMANCE COUNTY
PROJECT: 8.2472001 (U-3110A&B)
COOK ROAD UPGRADE AND
EXTENSION FROM US 70 TO
NORTH OF WEST BROOK AV.
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MICHAEL F. EASLEY
GOVERNOR
July 31, 2001
Mr. Eric Alsmeyer
NCDOT Coordinator
U.S. Army Corps of Engineers
Raleigh Regulatory Field Office
6508 Falls of Neuse Road
Suite 120
Raleigh, NC 27615
SUBJECT: 404 PERMIT FOR TIP U-3110 (A&B)
Dear Mr. Alsmeyer:
Enclosed are four sheets of the final plans for project U-2406 and e4wz sheets of
the proposed project U-3110. Project U-2406 had a let date of March 21, 2000 and is still
under construction. Project U-31 10 B has been coordinated with project U-2406. Sheets
12 and 13 of Project U31 1013 are being built Linder Project U-2406 as a 2-lane facility.
However, the Right-of-Way and fill slopes of project U-2406 are adequate to handle
project U-31 1013. The 1650 mm (66") RCP shown on Sheet 5 of U-2406 at STA 16+50
has already been built, therefore we do not foresee getting any additional permits for this
storm drain structure. If you do not concur with these findings, please notify me as soon
as possible.
Sincerely,
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
LYNDO TIPPETT
SECRETARY
Matthc\v Lauffer, PE
Project Design En,2111cer
MAILING ADDRESS.
NC DEPakrk¢vi OF Taa.N,., r ,•, •.
HYDRAS )tiC; UNIT
TELEP'10NF 919-250-4100
FAX 919.2504108
...., 6v! !i ;I Pf LP.t IV 1)("4+ O; S 7 - i -'_ N,' C1 C.
LOCATION:
CEN', R' CENTER COMPLEX
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-?- S 'ON 133HS H0104
pp 00+9t 'y1S ^ea
APPLICATION FOR DEPARTMENT OF THE ARMY PERMIT I OMB APPROVAL NO. 0710-003
(33 CFR 325) Expires December 31, 2004
Public reporting burden for this collection of information is estimated to average 10 hours per response, although the majority of applications should
require 5 hours or less. This includes the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed,
and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of
information, including suggestions for reducing this burden, to Department of Defense, Washington Headquarters Service Directorate of Information
Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302; and to the Office of Management and Budget,
Paperwork Reduction Project (0710-0003), Washington, DC 20503. Respondents should be aware that notwithstanding any other provision of law, no
person shall be subject to any penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number.
Please DO NOT RETURN your form to either of those addresses. Completed applications must be submitted to the District Engineer having
jurisdiction over the location of the proposed activity.
PRIVACY ACT STATEMENT
Authority: Rivers and Harbors Act, Section 10, 33 USC 403: Clean Water Act, Section 404, 33 USC 1344; Marine Protection, Research and Sanctuaries
Act, 33 USC 1413, Section 103. Principal Purpose: Information provided on this form will be used in evaluating the application for a permit. Routine
Uses: This information may be shared with the Department of Justice and other federal, state, and local government agencies. Submission of
requested information is voluntary, however, if information is not provided the permit application cannot be evaluated nor can a permit be issued.
One set of original drawings or good reproducible copies which show the location and character of the proposed activity must be attached to this
application (see sample drawings and instructions) and be submitted to the District Engineer having jurisdiction over the location of the proposed
activity. An application that is not completed in full will be returned.
(ITEMS 1 THRU 4 TO BE I{ILLED BY THE CORPS)
1. APPLICATION NO. 2. FIELD OFFICE CODE 3. DATE RECEIVED 4. DATE APPLICATION COMPLETED
(ITEMS BELOW TO BE F LLED BY APPLICANT)
5. APPLICANTS NAME 8. AUTHORIZED AGENTS NAME AND TITLE (an agent is not required)
North Carolina Department of Transportation
Project Development & Environmental Analysis
6. APPLICANTS ADDRESS 9. AGENTS ADDRESS
1548 Mail Service Center
Raleigh, NC 27699-1548
7. APPLICANTS PHONE NOS. W/AREA CODE 10. AGENT'S PHONE NOS. W/AREA CODE
a. Residence a. Residence
b. Business 919-733-3141 b. Business
11. STATEMENT OF AUTHORIZATION
I hereby authorize, to act in my behalf as my agent in the processing of this application and to furnish,
upon request, supplemental information in support of this permit application.
APPLICANT'S SIGNATURE DATE
NAME, LOCATION, AND DESCRIPTION OR PROJECT OR ACTIVITY
12. PROJECT NAME OR TITLE (see instructions
U-31 10, Sections A and B - US 70 to NC 100 connector
13. NAME OF WATERBODY, IF KNOWN (it applicable) 14. PROJECT STREET ADDRESS (if applicable)
Michael Branch
15. LOCATION OF PROJECT
Alamance NC
COUNTY STATE
16. OTHER LOCATION DESCRIPTIONS, IF KNOWN (see instructions) Section, Township, Range, LaULon, and/or Accessors's Parcel Number, for example.
Connect and upgrade Cook Road (SR 1311) from US 70 to NC 100
17. DIRECTIONS TO THE SITE
Beginning of project (southern end) is about '/2 mile east of Alamance/Guilford boundary on I IS 70. Project extends northward to intersect and
travel along Cook Road until Cook Road veers left, at which point the new location extends due north to NC 100.
ENG FORM 4345. Jul Oil EDITION OF FEB 94 IS OBSOLETE (Proponent CECW-OR)
18. Nature of Activity (Description of project, include all features)
Transportation Improvement Project to upgrade Cook Road and provide northern and southern connectors on new location from US 70
to NC 100.
19. Project Purpose (Describe the reason or purpose of the project, see instructions)
Public transportation
USE BLOCKS 20-22 IF DREDGED AND/OR FILL MATERIAL IS TO BE DISCHARGED
20. Reason(s) for Discharge
A portion of Michael Branch will be underneath the, fill slope of the proposed highway. A portion of wetland will be filled when Michael
Branch is relocated and bridge causeways are constructed.
21. Type(s) of Material Being Discharged and the Amount of Each Type in Cubic Yards
Road fill
22. Surface Area in Acres of Wetlands or Other Waters Filled (see instructions)
0.8 acres riverine wetlands
790 linear feet of Michael Branch (0.1 acres)
23. Is Any Portion of the Work Already Complete? Yes _ No X IF YES, DESCRIBE THE COMPLETED WORK
24. Addresses of Adjoining Property Owners, Lessees, Etc., Whose Property Adjoins the Waterbody (if more than can be entered here, please attach a supplemental list).
NCDOT
25. List of Other Certifications or Approvals/Denials Received from other Federal, State, or Local Agencies for Work Described in This Application.
AGENCY TYPE APPROVAL' IDENTIFICATION NUMBER DATE APPLIED DATE APPROVED DATE DENIED
none
'Would include but is not restricted to zoning building, and flood plain permits
26. Application is hereby made for a permit or permits to authorize the work described in this application. I certify that the information in this application is
complete and accurate. I further certify that I possess the authority to undertake the work described herein or am acting as the duly authorized agent
of the applicant.
SIGNATURE O A L ANT DATE SIGNATURE OF AGENT DATE
The application must be signed by the person who desires to undertake the proposed activity (applicant) or it may be signed by a duly authorized
agent if the statement in block 11 has been filled out and signed.
18 U.S.C. Section 1001 provides that: Whoever, in any manner within the jurisdiction of any department or agency of the United States knowingly
and willfully falsifies, conceals, or covers up any trick, scheme, or disguises a material fact or makes any false, fictitious or fraudulent statements or
representations or makes or uses any false writing or document knowing same to contain any false, fictitious or fraudulent statements or entry, shall
be fined not more than $10,000 or imprisoned not more than five years or both.
ENG FORM 4345, Jul 97 EDITION OF FEB 94 IS OBSOLETE (Proponent: CECW-OR)