HomeMy WebLinkAbout20071741 Ver 1_401 Application_20071007
O7- ~ 74 ~
Please provide the following info:
1. Project Name ~-~.r1 5 i~ cA~ ~ G~~ k
2. Name of Property Owner/Applicant ~ t,J rL v } ~u. is 5 L ~'LU ~-e ~ ~zl ~.~~~ S cax ~
3. Name of Consultant/Agent: ~ ~~ el ~ ~"~~ ~~" `~'~~~ `' ~ dint. t=~ ~-~~-~ s
*Agent authorization needs to be attached.
4. Related/Previous Action ID number(s): ~~/a
5. Site Address: {~ I,sW ~ ~ ~? ~ ~ , ~-~.~~v[,5~ ~~, lU L ~ ~ (a `t3
6. Subdivision Name: 1U (~
7. City: l,a,~ ~l v~ c' /V ~=-
8. County: _ ~, ~, ~
9. Lat: 3~, . ~ ~t 7 G:~ 7 ~' ~~! Long: ~ i , j11 U~- (~ `f c ~ (Decimal Degrees Please )
10. Quadrangle Name: ~,~.;J,,y~ r~~~S y / ~ `~
11.. Waterway: ~~c, ~f~oti-S c~ Crecy k
r
12. Watershed: ~ ~.-~.~ (°~~ V e /
13. Requested Action: p ~~~~~15
Nationwide Permit # OCT 1 ~ Z007
_ General Permit #
~~ Jurisdictional Determination Request aENR UWAT~R QUALITY
WETLANDS 14 .D STUR!~IW.A'IFR 9RANCH
_Pre-Application Request
The following information will be completed by Corps office:
Corps Submittal Cover Sheet
AID:
Prepare File Folder
Assign number in ORM
Begin Date
Authorization: Section 10
Project Description/ Nature of Activity/ Project Purpose:
Section 404
Site/Waters Name:
I~eywords:
s
Office Use Only: Form Version March OS
•07- 1 74 1
USACE Action ID No. DWQ No.
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
I. Processing
1. Check all of the approval(s) requested for this project:
® Section 404 Permit ^ Riparian or Watershed Buffer Rules
^ Section 10 Permit ^ Isolated Wetland Permit from DWQ
® 401 Water Quality Certification ^ Express 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested: 13
3. If this notification is solely a courtesy copy because written approval for the 401 Certification
is not required, check here: ^
4. If payment into the North Carolina Ecosystem Enhancement Program (NCEEP) is proposed
for mitigation of impacts, attach the acceptance letter from NCEEP, complete section VIII,
and check here: ^
5. If your project is located in any of North Carolina's twenty coastal counties (listed on page
4), and the project is within a North Carolina Division of Coastal Management Area of
Environmental Concern (see the top of page 2 for further details), check h(er~~e:((~~^
~ iSV~~~'./L5
II. Applicant Information D
OAT 1 ~ 2001
1. Owner/Applicant Information
Name: Lansin Park o~ruK ~ w~l~ ~n,
Mailing Address Mayor Jason Rin~___ '~"'~~
Town of Lansing
PO. Box 304
Lansing, NC 28643
Telephone Number: 336-384-3048 Fax Number:
E-mail Address:
2. Owner/Applicant Information
Name: James Mack Powers
Mailing Address 465 H Street
Lansing, NC 28643
Telephone Number: 336-384-3789 Fax Number:
E-mail Address:
Page 5 of 15
3. Owner/Applicant Information
Name: _ Jeffre TY hompson
Mailing Address 1942 Hamilton Street
Jacksonville, FL 32210
Telephone Number: 904-389-4334 Fax Number:
E-mail Address:
4. Owner/Applicant Information
Name: _ Jim Francis (Alley Mountain Enterprises, LLC)
Mailing Address PO Box 76
Warrensville, NC 28693
Telephone Number: 336-384-2560 Fax Number:
E-mail Address:
5. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter
must be attached if the Agent has signatory authority for the owner/applicant.)
Name: Lvnn Caldwell, Restoration Director
Company Affiliation: National Committee for the New River (NCNB)
Mailing Address: PO Box 1480, West Jefferson, NC 28694
Telephone Number: 336-$46-4871 Fax Number: 336-846-6433
E-mail Address: lynn@ncnr.org
III. .Project Information
Attach a vicinity map clearly showing the location of the property with respect to local
landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property
boundaries and development plans in relation to surrounding properties. Both the vicinity map
and site plan must include a scale and north arrow. The specific footprints of all buildings,
impervious surfaces, or other facilities must be included. If possible, the maps and plans should
include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property
boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion,
so long as the property is clearly defined. For administrative and distribution purposes, the
USAGE requires information to be submitted on sheets no larger than 11 by 17-inch format;
however, DWQ may accept paperwork of any size. DWQ prefers full-size construction
drawings rather than a sequential sheet version of the full-size plans. If full-size plans are
reduced to a small scale such that the final version is illegible, the applicant will be informed that
the project has been placed on hold until decipherable maps are provided.
1. Name of project: Lansing Park
2. T.I.P. Project Number or State Project Number (NCDOT Only):
Page 6 of 15
3. Property Identification Number (Tax PIN): Town of Lansing: 16215-220, 16215-283,
James Mack Powers: 16215-005, Jeffery Thompson: 16215-006, Jim Francis (Alley
Mountain Enterprises, LLC) :16215-253
4. Location
County: Ashe Nearest Town: Lansing
Subdivision name (include phase/lot number): n/a
Directions to site (include road numbers/names, landmarks, etc.): Starting at the 194/221
intersection in West Jefferson (Ingles, McDonalds) go toward town on N Jefferson Avenue
for 1.5 miles. Continue on from the center of town for 5.5 miles to Warrensville. Turn right
and continue on 194 N for 3.6 miles. Park is on left behind businesses as you come into town
before you get to the one stoplight.
5. Site coordinates (For linear projects, such as a road or utility line, attach a sheet that
separately lists the coordinates for each crossing of a distinct waterbody.)
Decimal Degrees (6 digits minimum): 36.497678 °N 81.510464° °W
6. Property size (acres): Town of Lansing: 0.98 and 0.4; James Mack Powers: 5.5; Jeffery
Thompson: 3.5; Jim Francis (Alley Mountain Enterprises, LLC): 11
7. Name of nearest receiving body of water: Bid Horse Creek, tributary of the North Fork New
River
8. River Basin: New River
(Note -this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http://h2o.enr.state.nc.us/admin/maps/.)
9. Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application: The Town of Lansing began developing an area along Big
Horse Creek behind the Fire Department and business district into a park eight years ago.
The park runs along Big Horse Creek for about 2000 feet and is comprised of land owned by
the Town of Lansing and private landowners. Land used for the park totals about 6 acres.
Land use includes a walking trail and small playground. Picnic tables will also be added to
the park near the access road. The walking~trail;is at least 50 feet from Big Horse Creek in
all areas and will not be impacted by the proposed enhancement project. Much of the creek
banks have been stabilized by livestake plantings and by riparian buffer that was already
present, but there are several problem areas in the 1000 feet of creek bank that is upstream of
the Teaberr~ge that need to be addressed. Site 1 (See photos 1 and 2, and map,
upstream end of park): 10-12 feet of bank right has been lost to erosion, bank is undercut
with no vegetation. Site 2 (See photo 3): Bank right is vertical with little vegetation. Site 3
See photo 4): Bank right is vertical with little vegetation. Site 4 (See photo 5): Bank right
is_vertical with little vegetation. Site 5 (See photo 6): Bank is currently receiving heavy
stress at inner berm to bankfu] during storm events and will require a rock vane to direct flow
Page 7 of 15
toward the center of Big Horse Creek. Site 6 (See photos 7 and 8): Sewer line crossing has
diverted water to bank left and bank is now vertical with no ve eg tation.
10. Describe the overall project in detail, including the type of equipment to be used: Site 1:
(See map and photos 1 and 2) . Reshape 30 ft of right bank (facing downstream) and
construct one 25 -30 ft rock vane (Figure 4). A small tributary enters Big Horse Creek (from
upstream boundary of Trainor property, see map) lust upstream of Site 1. Thirty feet of bank
right will be reshaped (Figure 2) and root wads and/or large boulders placed in right bank of
Big Horse Creek approximately 20-30 feet upstream from rock vane. Site 2 (Photo3)
Slope 50 - 100 ft of right bank and replant (Figure 2) and construct one 25-30 ft rock vane
Figure 4). Site 3: (Photo 4): Reshape 50-100 ft of vertical, eroding bank (Figure 2) and
replant; add one 25 - 30 ft rock vane (Figure 4). Site 4 (Photo 5): Reshape 50 feet of bank
and replant (Figure 2). Site 5: (Photo 6): Place 25-30 foot rock vane (Figure 4) extending
out from existing boulder for bank and road protection. (In photo, road shoulder is on left just
out of view.) Site 6 (Photos 7 and 8): Reshape 40 feet of the left bank (Figure 2) and place a
20-25 foot rock vane (Figure 4). Remove small bar developingnear right bank to return the
flow of water to under the center of the bridge and prevent bridge abutment undercutting on
the left bank. The banks will be graded back to a 2.5:1 slope. Immediately after rading, the
banks will be seeded with a permanent ground cover mixture (creeping red fescue, white
clover, orchard grass, and other natives). Native shrubs such as mountain laurel,
rhododendron, and flame azalea will be planted at the top of the banks. Native trees will be
planted in the riparian area to shade Big Horse Creek. As soon as is possible (during dormant
season), livestakes of silky dogwood, ninebark, elderberry, and silky willow will be installed
through the matting. Rock vanes will be installed using standard construction techniques for
these structures and will slope from the bankfull or inner berm bank elevation at a 5% to 15%
slope. The length of the vane will depend on the slope. Large boulders will be used to
construct the rock vanes. In-river gravel and cobble removed during construction will be
placed behind (upstream) of the large boulders as fill material. While most of the work can
be completed from the top of the bank, some in-river equipment operation will be required.
All work will be done by a trackhoe with a hydraulic (preferred) or mechanical thumb.
Care will be taken to put out groundcover mixture and straw or coconut fiber matting as each
phase of the project is completed. No soil will be unprotected for longer than 24 hours.
11. Explain the purpose of the proposed work: The purpose of this work is to repair and stabilize
the eroding banks of Big Horse Creek at the Lansing Park which will rg eatly reduce the
amount of sediment entering state waters and improve aquatic habitat. This site will provide
a great outdoor educational facility to be used by the National Committee for the New River,
local schools and other environmental educators. There will also be a reduction in flood
stress to the Town of Lansing due to bank resloping.
IV. Prior Project History
If jurisdictional determinations and/or permits have been requested and/or obtained for this
project (including all prior phases of the same subdivision) in the past, please explain. Include
Page 8 of 15
the USACE Action ID Number, DWQ Project Number, application date, and date permits and
certifications were issued or withdrawn. Provide photocopies of previously issued permits,
certifications or other useful information. Describe previously approved wetland, stream and
buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project,
list and describe permits issued for prior segments of the same T.I.P. project, along with
construction schedules. N/A
V. Future Project Plans
Are any future permit requests anticipated for this project? If so, describe the anticipated work,
and provide justification for the exclusion of this work from the current application.
None anticipated at this time.
VI. Proposed Impacts to Waters of the United States/Waters of the State
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
wetlands, open water, and stream channels associated with the project. Each impact must be
listed separately in the tables below (e.g., culvert installation should be listed separately from
riprap dissipater pads). Be sure to indicate if an impact is temporary. All proposed impacts,
permanent and temporary, must be listed, and must be labeled and clearly identifiable on an
accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial)
should be shown on a delineation map, whether or not impacts are. proposed to these systems.
Wetland and stream evaluation and delineation forms should be included as appropriate.
Photographs may be included at the applicant's discretion. If this proposed impact is strictly for
wetland or stream mitigation, list and describe the impact in Section VIII below. If additional
space is needed for listing or description, please attach a separate sheet.
1. Provide a written description of the proposed impacts: Less than 0.4 acres will be disturbed
during the restoration process. Impact will be minimized by seeding and the installation of
straw and/or fiber matting within 24 hours of disturbance.
2. Individually list wetland impacts. Types of impacts include, but are not limited to
mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams,
separately list impacts due to both structure and flooding.
Wetland Impact
Site Number
(indicate on map)
Type of Impact Type of Wetland
(e.g., forested, marsh,
herbaceous, bog, etc.) Located within
100-year
Floodplain
( es/no) Distance. to
Nearest
Stream
(linear feet) Area of
Impact
(acres)
Page 9 of 15
Total Wetland Impact (acres) 0
3. List the total acreage (estimated) of all existing wetlands on the property: 0
4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary
impacts. Stream impacts include, but are not limited to placement of fill or culverts, dam
construction, flooding, relocation, stabilization- activities (e.g., cement walls, rip-rap, crib
walls, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed,
plans and profiles showing the linear footprint for both the original and relocated streams
must be included. To calculate acreage. multiply length X width. then divide by 43.560.
Stream Impact
perennial or Average Stream Impact Area of
Number Stream Name Type of Impact Width Before Len th
g Im act
p
(indicate on ma) Intermittent? Im act (linear feet) (acres)
Reshape 60 feet of
I Big Horse bank, construct perennial 60 0.06
Creek rock vane, and
install root wads
Reshape 50-100 ft
2 Big Horse of bank and perennial 0.06
Creek construct 25-30 ft 100
rock vane.
Reshape 50-100 ft
3 Big Horse of bank and perennial 100 0.06
Creek construct 25-30 ft
rock vane.
4 Big Horse Reshape 50 feet of Perennial 50 0.05
Creek bank
5 Big Horse Construct 25-30 ft perennial 30 0.05
Creek rock vane
Reshape 40 ft of
6 Big Horse bank and perennial 40 0
06
Creek construct 20-25 ft .
rock vane
Total Stream Impact (by length and acreage) 380 0.34
5. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.). Open water impacts include, but are not limited to
fill. excavation. dredging. flooding. drainage. bulkheads. etc.
Open Water Impact Name of Waterbody Type of Waterbody Area of
Site Number
(if applicable) Type of Impact (lake, pond, estuary, sound, bay, Impact
(indicate on ma) ocean, etc.) (acres)
Page 10 of 15
Total Open Water Impact (acres) 0
6. List the cumulative impact to all Waters of the U.S. resulting from the project:
Stream Im act (acres): <0.4
Wetland Im act (acres): 0
O en Water Im act (acres): 0
Total Im act to Waters of the U.S. (acres) 0
Total Stream Im act (linear feet): < 0.4
7. Isolated Waters
Do any isolated waters exist on the property? ^ Yes ®No
Describe all impacts to isolated waters, and include the type of water (wetland or stream) and
the size of the proposed impact (acres or linear feet). Please note that this section only
applies to waters that have specifically been determined to be isolated by the USACE.
8. Pond Creation
If construction of a pond is proposed, associated wetland and stream impacts should be
included above in the wetland and stream impact sections. Also, the proposed pond should
be described here and illustrated on any maps included with this application.
Pond to be created in (check all that apply): ^ uplands ^ stream ^ wetlands
Describe the method of construction (e.g., dam/embankment, excavation, installation of
draw-down valve or spillway, etc.):
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.):
Current land use in the vicinity of the pond:
Size of watershed draining to pond: Expected pond surface area: 0
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts. The proposed work and
associated impacts are intended to stabilize the section of the Big Horse Creek at the Lansing
Park property with minimal stream impacts. All heavy equipment will be kept out of the stream
channel except when absolutely necessary to install the rock vanes. Permanent grass cover will
be planted on all bare soil within 24 hours of ground disturbing activities. This will be covered
with straw and/or coconut fiber matting and livestakes planted as soon as weather permits.
Page 11 of 15
VIII. Mitigation
DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC
Division of Water Quality for projects involving greater than or equal to one acre of impacts to
freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial
streams.
USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide
Permits, published in the Federal Register on January 15, 2002, mitigation will be required when
necessary to ensure that adverse effects to the aquatic environment are minimal. Factors
including size and type of proposed impact and function and relative value of the impacted
aquatic resource will be considered in determining acceptability of appropriate and practicable
mitigation as proposed. Examples of mitigation that may be appropriate and practicable include,
but are not limited to: reducing the size of the project; establishing and maintaining wetland
and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of
aquatic resource functions and values by creating, restoring, enhancing, or preserving similar
functions and values, preferable in the same watershed.
If mitigation is required for this project, a copy of the mitigation plan must be attached in order
for USACE or DWQ to consider the application complete for processing. Any application
lacking a required mitigation plan or NCEEP concurrence shall be placed on hold as incomplete.
An applicant may also choose to review the current guidelines for stream restoration in DWQ's
Draft Technical Guide for Stream Work in North Carolina, available at
http://h2o.enr.state.nc.us/ncwetlands/strmgide.html.
1. Provide a brief description of the proposed mitigation plan. The description should provide
as much information as possible, including, but not limited to: site location (attach directions
and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet)
of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view,
preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a
description of the current site conditions and proposed method of construction. Please attach
a separate sheet if more space is needed.
N/A
2. Mitigation may also be made by payment into the North Carolina Ecosystem Enhancement
Program (NCEEP). Please note it is the applicant's responsibility to contact the NCEEP at
(919) 715-0476 to determine availability, and written approval from the NCEEP indicating
that they are will to accept payment for the mitigation must be attached to this form. For
additional information regarding the application process for the NCEEP, check the NCEEP
website at http://h2o.enr.state.nc.us/wrp/index.htm. If use of the NCEEP is proposed, please
check the appropriate box on page five and provide the following information:
Page 12 of 15
Amount of stream mitigation requested (linear feet):
Amount of buffer mitigation requested (square feet):
Amount of Riparian wetland mitigation requested (acres):
Amount of Non-riparian wetland mitigation requested (acres):
Amount of Coastal wetland mitigation requested (acres):
IX. Environmental Documentation (required by DWQ)
1. Does the project involve an expenditure of public (federal/state/local) funds or the use of
public (federal/state) land? Yes ® No ^
2. If yes, does the project require preparation of an environmental document pursuant to the
requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)?
Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA
coordinator at (919) 733-5083 to review current thresholds for environmental documentation.
Yes ^ No
3. If yes, has the document review been finalized by the State Clearinghouse? If so, please
attach a copy of the NEPA or SEPA final approval letter. Yes ^ No ^
X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ)
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
required state and local buffers associated with the project. The applicant must also provide
justification for these impacts in Section VII above. All proposed impacts must be listed herein,
and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a
map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ
Regional Office may be included as appropriate. Photographs may also be included at the
applicant's discretion.
1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233
(Neuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC
2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please
identify )? Yes ^ No
2. If "yes", identify the square feet and acreage of impact to each zone of the riparian buffers.
If buffer mitigation is required calculate the required amount of mitigation by applying the
buffer multipliers.
Zone* I Impact Multi lier Required
1 3 (2 for Catawba)
2 1.5
Total
* Zone 1 extends out 30 feet perpendiculaz from the top of the neaz bank of channel; Zone 2 extends an
additional 20 feet from the edge of Zone 1.
Page 13 of 15
3. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e.,
Donation of Property, Riparian Buffer Restoration /Enhancement, or Payment into the
Riparian Buffer Restoration Fund). Please attach all appropriate information as identified
within 15A NCAC 2B .0242 or .0244, or .0260. N/A
XI. Stormwater (required by DWQ)
Describe impervious acreage (existing and proposed) versus total acreage on the site. Discuss
stormwater controls proposed in order to protect surface waters and wetlands downstream from
the property. If percent impervious surface exceeds 20°Io, please provide calculations
demonstrating total proposed impervious level. The onl,~pervious surface on the property is a
walking trail downstream from the 3 acres where enhancement will take place. Plans are to pave
another walking trail on park property, but this will not be near enhancement project. One access
road forms the boundar, oy f the park property.
XII. Sewage Disposal (required by DWQ)
Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of
wastewater generated from the proposed project, or available capacity of the subject facility.
XIII. Violations (required by DWQ)
Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules?
Yes ^ No
Is this an after-the-fact permit application? Yes ^ No
XIV. Cumulative Impacts (required by DWQ)
Will this project (based on past and reasonably anticipated future impacts) result in additional
development, which could impact nearby downstream water quality? Yes ^ No
If yes, please submit a qualitative or quantitative cumulative impact analysis in accordance with
the most recent North Carolina Division of Water Quality policy posted on our website at
http://h2o.enr.state.nc.us/ncwetlands. If no, please provide a short narrative description: This
project will serve to stabilize the banks of Big Horse Creek as it flows through the Lansing Park•
It will reduce erosion on park property and decrease sediment load downstream.
XV. Other Circumstances (Optional):
Page 14 of 15
It is the applicant's responsibility to submit the application sufficiently in advance of desired
construction dates to allow processing time for these permits. However, an applicant may
choose to list constraints associated with construction or sequencing that may impose limits on
work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and
Threatened Species, accessibility problems, or other issues outside of the applicant's control).
~~
l' ~ -- ~ - d
~~ Applicant/Agent's Signature Date
(Agent's signature is-valid only if an authorization letter from the applicant is provided.)
Page 15 of 15
1, ,designate Lynn (_'aiciweli c>f the National Committee
t`or the New Ri~~+`-r {NCNR) to act as any duly authorized agent concerning all [1S
rirmy Corps of F,nginee~rs anti wC C~EUF~ pertl~itting regarding the streamhank
rest~n•ation project on t~~y propct~Cy c»r jicmtc oJ~strccu~~ i~~ ~ ~ count>',
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Nan-e Ptyone Number
Address ___
Si~na[ure ~ Date
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tdr the Ne~~, River {NCNRj tc~ act a4 m}~` duly authr~rized agent concerning all US
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LANSING PARK STREAMBANK STABILIZATION PROPOSAL
ALONG BIG HORSE CREEK,
ASHE COUNTY, NORTH CAROLINA
PREPARED FOR THE TOWN OF LANSING
By
Foggy Mountain Nursery
797 Helton Creek Road
Lansing, North Carolina
The National Committee of the New River will use part of a grant from the Clean Water
Management Trust Fund to cost share with the Town of Lansing to stabilize eroding streambanks
along a section of Big Horse Creek known as Lansing Park (Figure 1). A site visit was
conducted on March 14, 2007 with town personnel. This proposal outlines the sites that need to
be addressed and the methods to correct the problems for consideration by the Town of Lansing.
Any questions concerning these plans can be addressed to Glen Sullivan andlor Joe Mickey,
Foggy Mountain Nursery.
During the site visit six sites were identified in need of bank stabilization ranging from bank
reshaping, the addition of rock vanes and/or root wads, or a combination of these methods. In
addition to these methods, a small bar/island along the right bank just above the Teaberry Road
(SR 1347) bridge crossing needs to be removed so that stream flows can be directed to flow
under the center of the bridge, relieving left bank stress and erosion.
A description and photograph of each site is given below.
Site 1 -Upstream end of project, notice the large tree stump that use to be on the edge of the
streambank: Two options are given for this site. Option 1 -reshape 30 feet of right bank (facing
downstream) and replant (Figure 2) and install 6-8 large root wads with for bank protection
(Figure 3). Option 2 -reshape 30 ft of right bank and.construct one 25 -30 ft rock vane (Figure
4). Which ever option is chosen, need to a add plants to benched bank for long term bank
stabilization.
vane
sloping
wad
16-8)
Photo 1
Site 1 Continued -looking upstream, notice large tree stump that use to be on the edge of the
streambank.
Photo 2
Site 2 -Eroding right streambank (facing downstream). Slope 50 - 100 ft of right bank and
replant (Figure 2) and construct one 25-30 ft rock vane (Figure 3).
Photo 3
Bank reshaping
Rock vane
Site 3 -Reshape 50-100 ft of vertical, eroding bank (Figure 2) and replant; add one 25 - 30 ft
rock vane (Figure 4).
B.
Site 4 - SO feet of bank reshaping and plantings (Figure 2), right bank (pure is taken
looking upstream to sites 1, 2 and 3). Photo 4
Bank reshaping
Photo S
Site 5 - add a 25-30 ft rock vane (Figure 4)
extending out from existing boulder for
bank and road protection (road shoulder
on left, just out of picture).
Rock vane
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Photo 6
Site 6 -looking downstream from sewer line crossing to the Teaberry Road (SR 1347) bridge.
Reshape approximately 40 ft of the left bank (Figure 2) and add one short rock vane 20-25 feet
long (Figure 4) and remove small bar developing near the right bank (facing downstream). This
will return the flow of water to under the center of the bridge and prevent bridge abutment
undercutting on the left bank.
Remove this bar/small island to help divert the
current under the center of the bridge
Bank reshal
Rock vane
Stream flc
to be redi
center of
an away f
left bank.
Photo 7
Site 6 -looking upstream from the bridge with a better view of the small bar/island that needs to
be removed with main current directed under center of bridge.
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Photo 8
FIGURE 1. Lansing Park along Big Horse Creek, Ashe County, North Carolina. Map is from US
Geological Survey Topographical Map, Warrensville Quadrangle.
Ashe County in western NC and project location in the county.
FIGURE 2. Typical bank reshaping and revegetation plan.
Cross-section view before work (existing condition)
. Pasture gasses, little valve for bank
7
7'
be
Cross-section view after work
Herbaceous vegetation
Live stakes 18" to 24" in length
Erosion control blanket 4
- 8 ft wide, anchored with
wooden stakes/live stakes.
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Rooted trees, 2' to 6' tall.
FIGURE 3. A typical root wad structure showing plan and cross section views. NOTE: Footer logs
(optional) should be >8" diameter and installed below the streambed. Root wads should be 8-14 ft long and
>10" diameter. Large boulders should be placed in gaps between root wads. Fill materials from the site
should be placed behind the root wads and boulders, covered with an erosion control mat and seeded and
trees planted on top of the bench.
Rankfull elevation
CROSS SECTION
water surface
elevation
CROSS-SECTION VIEW
rock
Footer log
FIGURE 4. Typical rock vane structure showing plan and cross-section views. Photograph
shows a rock vane constructed in the South Fork New River at the Wagoner Road Access, New
River State Park.
PLAN VIEW
e
CROSS-SECTION VIEW
' Footer rocks
Top rocks
Bankfull bench