20051652 Ver 1_Complete File_20050831

FWArF
O?0 RpG Michael P. Easley, Governor
William G. Ross Jr., Sccrctary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of WaterQuality
September 8, 2005
DWQ Project # 05-1652
Avery County
Robert Wiseman, County Manager
Avery County
Post Office Box 640 ??0 V
Newland, NC 28657 0 V D
Subject Property: Linville River EWP (DSR - LR1) SEP 2 0 2005
Approval of 401 Water Quality Certification with Additional Conditf?f1 ?S?oSTERQUA
Dear Mr. Wiseman:
You have our approval, in accordance with the attached conditions and those listed
below, to place fill within or otherwise impact 850 feet of streams for the purpose of
streambank stabilization and woody debris removal / trash removal at the subject
properties, as described within your application received by the N.C. Division of Water
Quality (DWQ) on August 31, 2005. After reviewing your application, we have decided
that the impacts are covered by General Water Quality Certification Number(s) 3367
(3367). The Certification(s) allows you to use Nationwide Permit(s) 37 when issued by
the US Army Corps of Engineers (USACE). In addition, you should obtain or otherwise
comply with any other required federal, state or local permits before you go ahead with
your project including (but not limited to) Erosion and Sediment Control, Non-discharge,
and stormwater regulations. Also, this approval to proceed with your proposed
impacts or to conduct impacts to waters as depicted in your application shall
expire upon expiration of the 404 or CAMA Permit.
This approval is for the purpose that you described in your application. (Nothing in this
approval should be interpreted as giving permission to remove bedload material
from the existing channel, nor allowing for the construction of berms which
would not allow the stream access to it's floodplain.) As "stable" and "pre-storm"
are not interchangeable terms, all work must be to ensure stability, regardless of
channel location. Additionally, channels cannot be returned to it's pre-storm location
unless there is documented instability is submitted and approved as part of the
application package. If you change your project beyond the approval here, you must
notify us and you may be required to send us a new application. If the property is sold,
the new owner must be given a copy of this Certification and approval letter and is
thereby responsible for complying with all conditions. If total fills for this project (now or
in the future) exceed one acre of wetland or 150 linear feet of stream, compensatory
mitigation may be required as described in 15A NCAC 2H .0506 (h). This approval
requires you to follow the conditions listed in the attached certification and any
additional conditions listed below.
401 Wetlands Certification Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone] /FAX [phone] / Intemet: http://h2o.enr.state.nc.us/ncvvetlanos
1CDEP,zZ
An Equal Opportunity/Affirmative Action Employer- 50% Recycled/10% Post Consumer Paper
Avery County:
Pabe2 of6
September S, 2005
The Additional Conditions of the Certification are:
1. Impacts Approved
The following impacts are hereby approved as long as all of the other specific
and general conditions of this Certification (or Isolated Wetland Permit) are met.
No other impacts are approved including incidental impacts:
Amount
Approved (Units) Plan Location or Reference
Stream 850 feet Linville River
2. Erosion & Sediment Control Practices
Erosion and sediment control practices must be in full compliance with all
specifications governing the proper design, installation and operation and
maintenance of such Best Management Practices in order to protect surface
waters standards:
a. The erosion and sediment control measures for the project must be
designed, installed, operated, and maintained in accordance with the most
recent version of the North Carolina Sediment and Erosion Control Planning
and Design Manual.
b. The design, installation, operation, and maintenance of the sediment and
erosion control measures must be such that they equal, or exceed, the
requirements specified in the most recent version of the North Carolina
Sediment and Erosion Control Manual. The devices shall be maintained on
all construction sites, borrow sites, and waste pile (spoil) projects, including
contractor-owned or leased borrow pits associated with the project.
c. For borrow pit sites, the erosion and sediment control measures must be
designed, installed, operated, and maintained in accordance with the most
recent version of the North Carolina Surface Mining Manual.
d. The reclamation measures and implementation must comply with the
reclamation in accordance with the requirements of the Sedimentation
Pollution Control Act.
3. No Waste, Spoil, Solids, or Fill of Any Kind
No waste, spoil, solids, or fill of any kind shall occur in wetlands, waters, or riparian
areas beyond the footprint of the impacts depicted in the Pre-Construction
Notification. All construction activities, including the design, installation, operation,
and maintenance of sediment and erosion control Best Management Practices,
shall be performed so that no violations of state water quality standards, statutes,
or rules occur.
Avery County:
Page3 of6
September 8, 2005
4. No Sediment & Erosion Control Measures w/n Wetlands or Waters
Sediment and erosion control measures shall not be placed in wetlands or waters
to the maximum extent practicable. If placement of sediment and erosion control
devices in wetlands and waters is unavoidable, they shall be removed and the
natural grade restored within six months of the date that the Division of Land
Resources has released the project.
5. Certificate of Completion
Upon completion of all work approved within the 401 Water Quality Certification
or applicable Buffer Rules, and any subsequent modifications, the applicant is
required to return the attached certificate of completion to the 401/Wetlands Unit,
North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC,
27699-1650.
6. Construction in this creek and disturbance within a 25-foot trout buffer, where
applicable, should be avoided during the October 15 to April 15 trout spawning
period to avoid adverse effects of sediment on eggs and larvae, where applicable.
However, Wildlife Resources Commission will not object to construction of Natural
Resources Conservation Service "urgent and compelling" sites during the spawning
period provided these projects are, to the extent appropriate and practical,
constructed by: (1) using flow diversion structures such as sand bags, (2)-placing
large-sized rock toes and filter cloth backing for stabilization sites before backfilling,
and (3) excavating new channel alignments in dry areas. Construction at the other
non-"urgent and compelling" sites should not occur during the spawning period to
minimize the potential adverse effects of multiple construction activities on trout
resources in this creek.
7. Sediment and erosion control measures must be implemented prior to construction
and maintained on the sites to minimize sediment in downstream areas. Seeding for
a temporary cover of wheat, millet, or similar annual grain or permanent herbaceous
cover should occur on all bare soil within five (5) days of ground disturbing activities
to provide long-term erosion control. The projects should be accomplished in stages
instead of leaving large tracts exposed to further storm events. Erosion control
matting should be used in conjunction with appropriate seeding on disturbed soils in
steep slope and riparian areas. Matting should be secured in place with staples,
stakes, or, wherever possible, live stakes of native trees. Straw mulch and tall
fescue should not be used in riparian areas. In addition, because of an anticipated
difficulty in establishing ground cover during the winter, reseeding should be
conducted, as necessary, in the spring-time with a native annual and perennial seed
mix with a temporary nursery crop of wheat, millet or other grain.
Avery County:
Paged of6
September 8, 2005
8. Only clean, large, angular rock, large woody material, or other natural stream design
materials and techniques should be used for bank stabilization. Rock should not be
placed in the stream channel in a manner that constricts stream flow or that will
impede aquatic life movements during low flow conditions. Filter cloth should be
placed behind large rock that is used for bank stabilization. Properly designed rock
vanes should be constructed wherever appropriate on bank stabilization and
channel realignment stream reaches to improve channel stability and to improve
aquatic habitat. Root wads should be installed low enough in the bank so that a
significant portion (at least one-third) the root wad is inundated during normal flows.
9. The channel should be restored to a more stable condition. However, under no
circumstances should river rock, sand or other materials be dredged from the
stream channel under authorization of this permit except, if necessary, in the
immediate vicinity of the eroding banks for the explicit purpose of anchoring
stabilizing or flow/grade control structures or for reestablishing the natural
and more stable stream channel dimensions. Stream bed materials are unstable
in flowing-water situations and are unsuitable for bank stabilization. In stream
dredging has catastrophic effects on aquatic life and disturbance of the natural form
of the stream channel can cause downstream erosion problems. The natural
dimension, pattern, and profile of the stream upstream and downstream of the
permitted area should not be modified by widening the stream channel or changing
its depth.
10. Stabilization measures should only be applied on or near existing erosion sites,
leaving other stable stream bank areas in a natural condition. Grading and
backfilling should be minimized and tree and shrub growth should be retained where
possible to ensure long term availability of stream bank cover for aquatic life and
wildlife. Backfill materials should be obtained from upland sites except in cases
where excess stream bed materials are available. Berms should not be permitted
because they block the floodplain, constrict and accelerate flood flows, and often fail
and sometimes impede drainage during large flood events.
11. Repairs to eroded banks should be conducted in a dry work area where possible.
Sandbags or other clean diversion structures should be used where possible to
minimize excavation in flowing water. Channel realignments should be constructed
by excavating the new channel from downstream to upstream before connecting it to
the old channel.
12. Heavy equipment should be operated from the bank whenever possible. All
mechanized equipment operated near surface waters should be inspected and
maintained regularly to prevent contamination of stream waters from fuels,
lubricants, hydraulic fluids or other toxic materials. Equipment used in stream
channel must be clean, new or low hour equipment.
13. Disturbed stream banks and a 25-foot vegetated zone, or the widest width that is
practical under the site conditions, should be restored along the construction sites to
natural riparian conditions with native trees and shrubs (e.g., silky dogwood,
rhododendron, dog hobble, red maple, silky willow, tag alder, black willow,
sycamore) to provide long-term bank stability and stream shading. Note, silky
dogwood, silky willow and black willow can be planted as live stakes collected during
the dormant growing season. Cuttings should be randomly planted on four (4) foot
centers from the waters edge to the top of the bank. Trees should be planted on ten
(10) to twelve (12) foot centers. Stream banks in these areas should also be
Avery County:
Pages of 6
September 8, 2005
seeded with a native annual and perennial seed mix with a temporary nursery crop
of wheat, millet or other grain.
14. If pasture along the stream is to be used for grazing, a fence must be constructed
outside of the riparian zone and the stream to prevent livestock from entering these
areas.
15. Diffuse Flow
All constructed stormwater conveyance outlets shall be directed and maintained
as diffuse flow at non-erosive velocities through the protected riparian zones
such that it will not re-concentrate before discharging into a stream. If this is not
possible, it may be necessary to provide stormwater facilities that are considered
to remove nitrogen. This may require additional approval from this Office.
16. Riparian Zone Replanting
Replanting of vegetation within disturbed areas located within 30 feet of the
streambank associated with any land disturbing activity, repair, replacement
and/or maintenance must be done in a manner consistant with the Guidelines
for Riparian Buffer Restoration immediately following construction. (Please
see attached.)
17. Deed Notifications
Deed notifications or similar mechanisms shall be placed on' all retained
jurisdictional wetlands, waters and protective woody riparian zones in order to
assure compliance for future wetland, water and buffer impact. These
mechanisms shall be put in place prior to impacting any wetlands, waters and/or
buffers approved for impact under this Certification Approval and Authorization
Certificate. A sample deed notification can be downloaded from the
401/ Wetlands Unit web site at http://h2o.enr.state.nc.us/ncwetlands. The text of
the sample deed notification may be modified as appropriate to suit to this
project.
18. Turbidity Standard
The turbidity standard of 10 NTUs (Nephelometric Turbidity Units) shall not be
exceeded as described in 15 A NCAC 2B. .0200. Appropriate sediment and
erosion control practices must be used to meet this standard.
19. No Sediment and Erosion Control Measures in Wetlands
Sediment and erosion control measures shall not be placed in wetlands or waters
to the maximum extent practicable. If placement of sediment and erosion control
devices in wetlands and waters is unavoidable, they shall be removed and the
natural grade restored within six months of the date that the Division of Land
Resources or locally delegated program has released the project.
Avery County:
Page 6 of 6
September 8, 2005
Violations of any condition herein set forth may result in revocation of this Certification
and may result in criminal and/or civil penalties. The authorization to proceed with your
proposed impacts or to conduct impacts to waters as depicted in your application and
as authorized by this Certification, shall expire upon expiration of the 404 or CAMA
Permit.
If you do not accept any of the conditions of this Certification (associated with the
approved wetland or stream impacts), you may ask for an adjudicatory hearing. You
must act within 60 days of the date that you receive this letter. To ask for a hearing,
send a written petition, which conforms to Chapter 150B of the North Carolina General
Statutes to the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh,
N.C. 27699-6714. This certification and its conditions are final and binding unless you
ask for a hearing.
This letter completes the review of the Division of Water Quality under Section 401 of
the Clean Water Act. If you have any questions, please telephone Cyndi Karoly in the
Central Office in Raleigh at 919-733-9721 or Mr. Kevin Barnett in the DWQ Asheville
Regional Office at 828-296-4657.
Sincerely,
Alan W. Klimek, P.E., Director
Division of Water Quality
AW K/khb
Enclosures: GC 3367
Certificate of Completion
Guidelines for Riparian Buffer Restoration
cc: Steve Glickauf,
Buck Engineering, PC
8000 Regency Parkway
Suite 200
Cary, NC 27511
USACE Asheville Regulatory Field Office
DWQ 401 Central Office
DLR Asheville Regional Office
File Copy
Central Files
Filename: 05-1652. EWP. LinvilleRiver.Approval
Triage Check List
Date: 09/01/05
To:
Kevin Barnett, Asheville Regional Office
60-day Processing Time: 8/31/05 to 10/29/05
DWQ #:05-1652
County: Avery
From: Cyndi Karoly Telephone: [phone]
The file attached is being forwarded to you for your evaluation.
Please call if you need assistance.
? Stream length impacted
? Stream determination
Wetland determination and distance to blue-line surface waters on USFW topo maps
? Minimization/avoidance issues
? Buffer Rules (Neuse, Tar-Pamlico, Catawba, Randleman)
? Pond fill
Mitigation Ratios
? Ditching
? Are the stream and or wetland mitigation sites available and viable?
? Check drawings for accuracy
Is the application consistent with pre-application meetings?
? Cumulative impact concern
Comments: As per our discussion regarding revision of the triage and delegation processes,
please review the attached file. Note that you are the first reviewer, so this file will need to be
reviewed for administrative as well as technical details. If you elect to place this project on hold,
please ask the applicant to provide your requested information to both the Central Office in
Raleigh as well as the Asheville Regional Office. As we discussed, this is an experimental, interim
procedure as we slowly transition to electronic applications. Please apprise me of any
complications you encounter, whether related to workload, processing times, or lack of a "second
reviewer" as the triage process in Central had previously provided. Also, if you think of ways to
improve this process, especially so that we can plan for the electronic applications, let me know.
Thanks!
Project Name: Avery County EWP
DSR LRl
EWP-Avery County, Forth Carolina
DSR Site LRI - Linville River
Catawba River Basin
Scope of Work
This site is on the Linville River off Linville Falls HWY, north of the intersection of Stamey
Branch Rd. and Linville Falls HWY. Site specific plans, which are attached, show site location,
existing conditions and planned repairs. All repair work is being proposed under the Emergency
Watershed Protection Program that Avery County is administering. Questions relative to this
package should be directed to Buck Engineering's Greg Price at 919.459.9009.
Contents
• Preconstruction Notification (Permit Application).
• Plan Review Checklist of NRCS's review.
• Agent Authorization Letter for Avery County.
• Vicinity Map
• Repair Plan
• Table 1. Property owners of sites proposed for repair
• Cultural Resources Review.
• Threatened and Endangered Species Review.
• Erosion and Sediment Control Plan
• Details and Specifications
.I
',)006-1652
AUG 3 1 2005
DENR - WATER QUALITY
IrER 11103 A w TOiWATER BRANCH
Office Use Only: Form Version March 05
?0051 u52
USACE Action ID No. DWQ No.
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
1. 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 Pen-nit from DWQ
® 401 Water Quality Certification ? Express 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested: Nationwide 37
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 detail RMIROVq
II. Applicant Information AUG 3 1 2005
1. Owner/Applicant Information DENR - WATER QUALITY
Name: Robert Wiseman VVETLANDS MD STORMWATER BRMCH
Mailing Address: County Manager
County Administrative Offices
PO Box 640
Newland, NC 28657
Telephone Number: 828-733-8201 Fax Number:
E-mail Address:
2. 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: Steve Glickauf
Company Affiliation: Buck Enaineerint,
Mailing Address: 200 Arizona Avenue, Suite 114
Atlanta, Georgia 30307
Telephone Number: 404-371-4495 Fax Number: 404-653-0186
E-mail Address: s lickauf(a?buckenQineering.com
Page I of 9
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
USACE 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: DSR numbers LR1
2. T.I.P. Project Number or State Project Number (NCDOT Only):
N/A
3. Property Identification Number (Tax PIN): See Table 1.
4. Location
County: Avery Nearest Town: Linville Falls
Subdivision name (include phase/lot number): N/A
Directions to site (include road numbers/names, landmarks, etc.): DSR number LRl is on
the Linville River. The location of each site is attached on each individual site map.
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):
Each individual site summary contains the coordinates. Also Table 1 has each individual
landowners coordinates for each DSR.
6. Property size (acres): N/A
7. Name of nearest receiving body of water: Linville River.
8. River Basin: Catawba
(Note - this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http://112o.enr.state.nc.us/adinin/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: A site specific description is included with each site plan.
Landuse on these sites is a mixture of residential and agriculture.
10. Describe the overall project in detail, including the type of equipment to be used: Specific
Page 2 o£9
repair activities for each site are provided in the site repair plans which are attached. Repair
activities proposed for these sites include: removing aggraded rocky debris from the channel
to return the channel to the proper dimension and profile installing vane structures to protect
unstable stream banks grading bankfull benches in areas where the channel can no loner
access its floodplain removing unstable woody debris grading and planting unstable stream
banks to provide long-teen stability, and moving structures that are too close to the stream.
This work will require the use of a trackhoe with hydraulic thumb and a dump truck to haul
boulders to the site and to remove rock debris from the site. Bulldozers may be needed for
grading, work.
11. Explain the purpose of the proposed work: This work is being done as part of the
Emergency Watershed Protection program that counties impacted by 2 hurricanes in the fall
of 2004 are carrying out. The purpose of the work is to repair damaged stream reaches that
are unstable and continuing to cause loses to personal and public property and to public
resources by degrading water quality and other natural resources.
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
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. To our knowledge permits have not been issued for work at these sites in
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.
No future yen-nit requests are anticipated for this project.
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.
Page 3 0£9
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: Impacts from this work will be
minimized whenever possible. However, to accomplish these needed repairs, impacts may
be realized from temporary increased turbidity and short-term loss of herbaceous vegetation.
Long-term impacts will be an increase in stream bank, bridge, and building stability, stable
dimension, and improved vegetative cover.
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)

Total Wetland Impact (acres) 0
3. List the total acreage (estimated) of all existing wetlands on the property: 0.00 acres
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 Width Impact
Number Type of Impact
Intermittent? Before Impact Length
indicate on ma (linear feet)

LRl install structures, slope, seed,
Perennial
80-90 feet 850'
mat, and plant
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.
Page 4 of 9
Open Water Impact
Site Number
indicate on ma Name Waterbody
(if applicable) e)
ap
Type of Impact Type of Waterbody
(lake, pond, estuary, sound, bay,
ocean, etc. Area of
Impact
acres

Total Open Water Impact (acres) 0
6. List the cumulative impact to all Waters of the U.S. resulting from the project:
Stream Impact (acres):
Wetland Impact (acres): 0
Open Water Impact (acres): 0
Total Impact to Waters of the U.S. (acres) 0
Total Stream Impact (linear feet): 850'
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/etnbankment, 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:
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. Access to each site will be over
the most stable route possible and movement of vehicles over access routes will be minimized.
Wherever possible equipment work will be done from the stream bank. Operating equipment
within the channel will be done when this is the only way to accomplish needed work.
Page 5 of 9
Excavated material will be moved directly to trucks for hauling to disposal sites when it will not
be used on site. When excavated material will be used on site it will be handled as few times as
possible. Work at each site will be accomplished as quickly as possible and the site will be
stabilized with erosion control matting and seeding within 5 days of site completion. Trees will
be planted during the next dormant season. Equipment leaking any fluids will not be used and if
leaks occur during construction the equipment will be replaced or repaired immediately.
Sediment and erosion control measures including silt fences, stoned entrances, protected stock
pile areas, diversions, and check dams will be employed where appropriate to minimize sediment
movement off site.
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
littp://h2o.enr.state.me.us/ncwetiands/stmigide.lhtml.
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.
NA
Page 6 of 9
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
[phone] to detennine 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 httl2://h2o.enr.state.nc.us/wrL/index.htm. If use of the NCEEP is proposed, please
check the appropriate box on page five and provide the following infonnation:
Amount of stream mitigation requested (linear feet): N/A
Amount of buffer mitigation requested (square feet): N/A
Amount of Riparian wetland mitigation requested (acres): N/A
Amount of Non-riparian wetland mitigation requested (acres): N/A
Amount of Coastal wetland mitigation requested (acres): N/A
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 [phone] 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
(Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC
213 .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please
identify. V Yes ? No
Page 7 of 9
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* Impact Multiplier Required
(square feet) Mitigation
3 (2 for Catawba)
1.5
Total
* Zone 1 extends out 30 feet perpendicular from the top of the near bank of channel; Zone 2 extends an
additional 20 feet from the edge of Zone 1.
If buffer mitigation is required, please discuss what
Donation of Property, Riparian Buffer Restoration
Riparian Buffer Restoration Fund). Please attach all
within 15A NCAC 213.0242 or.0244, or.0260.
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%, please provide calculations
demonstrating total proposed impervious level. There will be no change in impervious acreage.
Existing project sites will remain in their described land use. Proposed repair work will not alter
runoff of stormwater from each site. The end result of this proposed work will be stream banks
that are better able to withstand the erosive forces generated by storm flows.
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.
N/A, wastewater will not be generated by this project.
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)
type of mitigation is proposed (i.e.,
Enhancement, or Payment into the
appropriate information as identified
Page 8 of 9
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:
XV. Other Circumstances (Optional):
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).
N/A

jy licant/Agent's Signature ' Date
signature is valid only if an authorization letter from the applicant is provided.)
Page 9 of 9
Plan Review Cheeklist
EWP-Avery County, North Carolina
DSR PMI, SC1, NTII,,LRI
X
I , the Natural Resource Conservation Service Agent for Avery
County, have reviewed the stream repair plans listed below: These plans have been
prepared by Buck Engineering PC to accomplish stream repair under the Emergency
Watershed Protection Program being administered by Avery County. The following table
summarizes my comments on these plans:
DSR Approve Disapprove Approve with Modifications
PM1
SCI
NT 11
LR1 ?J
Additional comments:
6AYIJJ)' ILa Natural Resource Conservation Service Agent
Agmt's Signature
r`
To Whom It May Concern:
I, Robert Wiseman, County Manager for Avery County, attest to the fact that Avery County has
entered into a contract with Buck Engineering PC, a North Carolina professional corporation. Buck
Engineering will be providing engineering services and permitting assistance in support of the
Emergency Watershed Protection Program. In this contractual relationship, Buck Engineering will
act as the County's agent for the purpose of accomplishing this work. Specifically, employees of
Buck Engineering may take those actions necessary to obtain environmental permits from the U. S.
Army Corps of Engineers, N. C. Division of Water Quality, and N. C. Division of Land Quality.
i
Robert Wiisemaa t L-e- County Manager for Avery County
Date:
Office: Avery County Courthouse, Newland, NC 28657

,tee Map Inset ••'
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Avery County EWP
BUCKA
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Field Crew: } tR.3 u-1 Topo (5' Contours) 0 150 300 600
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Streams Feet
Time/Date:,e;; ?? ' Date of aerial photography: 1998
DSR No. LR-1
Site Assessed By: WH, AC
Date Assessed: 5/16/2005
Location: Linville Falls Hwy. 0.33 miles north of
the intersection of Stamey Brach Rd and Linville
Falls Hwy. Upstream from the Benfield bridge.
Latitude 35.99414020 Longitude-81.93719771
Length of Approximately 850 feet Waterbody: Linville River
Assessment:
_ Debris removal
X Bank sloping
X Bank stabilization
_ Channel realignment
X_ In-stream structures
Riparian planting
X Seeding
X Adjust channel dimension
Summary Evaluation of Conditions:
There are two sections within this DSR that were identified as needing repair. Across from the Linville River Farm
woody and rocky debris has been deposited in the river. About 1000 feet upstream from the farm the right bank is
actively eroding for approximately 12 vertical feet and 400 linear feet. The erosion comes within approximately 4 feet
of the highway. A mid-channel bar has also formed upstream from the bridge.
According to the Economic Evaluation the project will protect 8 cottages valued at $900,000, Christmas tree
agriculture valued at $25,000, 4 acres of property valued at $40,000, 2 utility poles valued at $30,000, and a section of
highway valued at $40,000. According to the Damage Survey Report the installation cost of emergency work would
be $85,400. The recommendations for improvements listed below would cost approximately $111,970.
Recommendations for Improvements:
The in-stream debris by Linville River Farms has already been removed by the property owner. No work is proposed
for this section of the reach.
The upstream erosion by the Benfield bridge shall be addressed by reestablishing a stable profile and dimension as
shown by the design detail. A new thalweg shall be excavated. The mid-channel bar shall be removed. The
construction of 3 J-Hooks, 1 cross vane, and 1 double wing deflector will help to maintain a centered thalweg and
protect the right bank and the road. Brush mattresses shall be used to further stabilize the right bank. Disturbed
areas shall be seeded as necessary. It is recommended that a guard rail be installed on Linville Falls Hwy at the top of
the bank where the erosion has taken much of the shoulder. This design will not include a guard rail as that is beyond
the scope of this contract.
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Photo 1: Right bank erosion looking upstream
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the Benfield bridge.

Photo 2: Mid-channel bar.
BUCK (Group 12) LR-1 Photographs
Avery County EWP
5/17/05
Phi
Photo 4: Looking downstream.
BUCK (Group 12) LR-1 Photographs
Avery County EWP 5i17ro5
TABLE 1
Landowners, Avery County, NC EW P
GROUP DSR PARCEL NUM NAM ADDRESS CITY STATE ZIP Latitude Lon itude IMPACT FT IMPACTTYPE
1 BENFIELD, COLLINS 8 ALMA PO BOX 187 CROSSNORE NC 28616 35.999771 81.935261 250 structures
12 1
LR1 183300118275 BENFIELD, COLLINS & ALMA PO BOX 187 CROSSNORE NC 28616 35.998645 -81.935307 250 structures
6/28/05
Subject: Cultural Resources Literature Search and Survey Results for Avery County NRCS Planned
EWP Undertakings
To: Jane Shaw, NRCS District Conservationist
Date of Survey: 6/14 - 15/2005
From. Jim Errante
USDA-NRCS, CRS SC & NC
1835 Assembly St., Rm 950
Columbia SC 29201
Phone: [phone]
The following list of DSR's were reviewed by Jim Errante, NRCS Cultural Resources Specialist (CRS). A
literature search for each planed practice location took place in the Archaeological Map room of the NC Office
of State Archaeology. Each location was reviewed for the potential of NRCS planned activities to effect
cultural resources (CR's). In addition, photographs of the APE's were reviewed and discussions were held
with knowledgeable field office and the engineering staff in order to determine the potential of planned
activities to effect CR's at each EWP practice location. Each practice location received a ranking of a low,
medium or high potential to effect CR's.
All EWP practice locations receiving a medium or high ranking to effect cultural resources were
archeologically surveyed by the NRCS CRS. Archaeological survey procedures included reconnaissance
survey of all visible soils in the area including river bank profiles, and shovel testing. All shovel tested soils
were screened through'/4 inch hardware mesh. The following Excel file list of EWP locations includes a
statement describing the results of this survey work. The NRCS CRS maintains the field work details of the
archaeological survey at each APE. Any questions concerning the results of these survey results as listed
below should contact the NRCS CRS for further explanation.
DSR #s CR Review Comments
BC 1 Elk Mills Low potential for impact to CR's FO to survey
BC 1 Elk Park Low potential for impact to CR's FO to survey
BC 2 Low potential for impact to CR's FO to survey
CB 1 Low potential for impact to CR's FO to survey
cc 1 No previous recorded CR's. Very low terrace over stream & disturbed soils in APE. Surveyed by
CRS. Ok to proceed.
CC 2 No previous recorded CR's. Very low terrace over stream & disturbed soils in APE. Surveyed by
CRS. Ok to proceed.
CC 3 No previous recorded CR's. Very low terrace over stream & disturbed soils in APE. Surveyed by
CRS. Ok to proceed.
DSR #s CR Review Comments
CC 4 Low potential for impact to CR's FO to survey
CH 1 Low potential for impact to CR's FO to survey
Cross Cr 1 Low potential for impact to CR's FO to survey
Cross Cr 2 Low potential for impact to CR's FO to survey
Curtis Cr 1 Low potential for impact to CR's FO to survey
Dellinger Br 1 Low potential for impact to CR's FO to survey
ER 1 Low potential for impact to CR's FO to survey
ER 2 Low potential for impact to CR's FO to survey
ER 3 No impact to CR's in area. All CR's are outside of APE. All work planned in-stream. Primarily debris
removal. Surveyed by CRS. Ok to proceed.
ER 5 No previously recorded CR's in area. Very disturbed soils in APE. No CR's. Surveyed by CRS. OK
to proceed.
ER 6 Low potential for impact to CR's FO to survey
ER 7 No previous recorded CR's. Alluvial, silty soils. Surveyed by CRS. Ok to proceed.
FC 1 Small Area, OK for FO to Survey
FC 2 Low potential for impact to CR's FO to survey
GP 1 Low potential for impact to CR's FO to survey
HB 1 Low potential for impact to CR's FO to survey
HP 1 Low potential for impact to CR's FO to survey
K 3 Low potential for impact to CR's FO to survey
K 4 Low potential for impact to CR's FO to survey
KC 1 Low potential for impact to CR's FO to survey
KC 2 Low potential for impact to CR's FO to survey
LEC 1 Low potential for impact to CR's FO to survey
LHC 1 Low potential for impact to CR's FO to survey
LL 1 Low potential for impact to CR's FO to survey
LR 1 No previously recorded CR's area. APE is roadside. Soils are disturbed. No CR's. Surveyed by CR
Specialist. OK to proceed.
LR 2 No previously CR's recorded in APE. This reach is primarilyjust debris removal or requiring fill. No
CR's in APE. Surveyed by CRS. Ok to proceed.
LR 3 No previously recorded CR's in APE. Only debris removal scheduled. No CR's in APE. Surveyed by
CRS. Ok to proceed.
LR 4 Low potential for impact to CR's FO to survey
LR 5 Low potential for impact to CR's FO to survey
LR 6 Low potential for impact to CR's FO to survey
LS 1 Low potential for impact to CR's FO to survey
LS 2 Low potential for impact to CR's FO to survey
LS 3 Low potential for impact to CR's FO to survey
LS 5 Low potential for impact to CR's FO to survey
LS 6 Low potential for impact to CR's FO to survey
LS 7 Low potential for impact to CR's FO to survey
LS 8 Low potential for impact to CR's FO to survey
LS 9 Low potential for impact to CR's FO to survey
LS 10 Low potential for impact to CR's FO to survey
LS 11 Low potential for impact to CR's FO to survey
LS 12 Low potential for impact to CR's FO to survey
MB 1 Low potential for impact to CR's FO to survey
Mrk 123 Low potential for impact to CR's FO to survey
MT 1 Low potential for impact to CR's FO to survey
MT 2 Low potential for impact to CR's FO to survey
MT 3 Low potential for impact to CR's FO to survey
MT 4 Low potential for impact to CR's FO to survey
NT 1 Low potential for impact to CR's FO to survey
NT 2 No CR's previously recorded in area. Location will primarily involve debris removal. Low banks in
area and no evidence of CR's found. Surveyed by CRS. Ok to proceed.
DSR #s CR Review Comments
NT 3 Low potential for impact to CR's FO to survey - primarily debris removal.
NT 4 No CR's previously recorded in area. Location will primarily involve debris removal. Low banks in
area and no evidence of CR's found. Surveyed by CRS. Ok to proceed.
NT 5 No CR's previously recorded in area. Location will primarily involve debris removal. Low banks in
area and no evidence of CR's found. Surveyed by CRS. Ok to proceed.
NT 6 No CR's previously recorded in area. Location will primarily involve debris removal. Low banks in
area and no evidence of CR's found. Surveyed by CRS. Ok to proceed.
NT 7 Low potential for impact to CR's FO to survey (previously surveyed - No CR's)
NT 8 No CR's previously recorded in area. Location will primarily involve debris removal. Low banks in
area and no evidence of CR's found. Surveyed by CRS. Ok to proceed.
NT 9 No CR's previously recorded in area. Location will primarily involve debris removal. Low banks in
area and no evidence of CR's found. Surveyed by CRS. Ok to proceed.
NT 10 No CR's previously recorded in area. Location will primarily involve debris removal. Low banks in
area and no evidence of CR's found. Surveyed by CRS. Ok to proceed.
NT 11 No previously recorded CR's in area. Impacts planned are adjacent to bridge and are disturbed and
heavily scoured. No CR's. Surveyed by CRS. Ok to proceed.
NT 12 No previously recorded CR's in area. No CR's. Surveyed by CRS. Ok to proceed.
NT 13 No previously recorded CR's in area. Survey focused on streambank stabilization areas. No CR's
discovered. Location will primarily involve debris removal. Surveyed by CRS. Ok to proceed.
NT 14 No previously recorded CR's in area. Survey focused on streambank stabilization areas. Significant
nursery agricultural impacts in area. No CR's discovered. Location will primarily involve debris
removal. Surveyed by CRS. Ok to proceed.
NT 15 No previously recorded CR's in area. Survey focused on streambank stabilization areas. Significant
nursery agricultural impacts in area. No CR's discovered. Location will primarily involve debris
removal. Surveyed by CRS. Ok to proceed.
NT 16 No CR's previously recorded in area. Location will primarily involve debris removal. No evidence of
CR's found. Surveyed by CRS. Ok to proceed.
NT 17 Low potential for impact to CR's FO to survey
NT 18 No previously recorded CR's in area. Very low terrace, and very scoured area. Area floods
frequently. No CR's. Surveyed by CRS. Ok to proceed.
NT 19 Low potential for impact to CR's FO to survey
PC 1 Low potential for impact to CR's FO to survey
PM1 Low potential for impact to CR's FO to survey
RB 1 Low potential for impact to CR's FO to survey
RC 1 No previously recorded CR's in area. Very disturbed soils in APE - re-routed stream & scoured area.
No CR's. Surveyed by CRS. OK to proceed.
SB 1 Newland Low potential for impact to CR's FO to survey
SB 1 V.Crucis Low potential for impact to CR's FO to survey
SC 1 Low potential for impact to CR's FO to survey
Sol Low potential for impact to CR's FO to survey
TMC 1 Low potential for impact to CR's FO to survey
TMC 2 Low potential for impact to CR's FO to survey
TMC 3 Low potential for impact to CR's FO to survey
TMC 4 Low potential for impact to CR's FO to survey
TMC 5 Low potential for impact to CR's FO to survey
UNR 4 Low potential for impact to CR's FO to survey
UNT 1 Low potential for impact to CR's FO to survey
UNT 2 Low potential for impact to CR's FO to survey
UNT 3 Low potential for impact to CR's FO to survey
UNT 5 Low potential for impact to CR's FO to survey
UNT 6 Low potential for impact to CR's FO to survey
UNT 7 Low potential for impact to CR's FO to survey
UNT 8 Low potential for impact to CR's FO to survey
DSR #s CR Review Comments
WC 1 Low potential for impact to CR's FO to survey
WF 1 Low potential for impact to CR's FO to survey
W F 2 Low potential for impact to CR's FO to survey (previously surveyed - No CR's)
WO 1 Low potential for impact to CR's FO to survey
WO 2 Low potential for impact to CR's FO to survey
WO 3 Low potential for impact to CR's FO to survey
WP 1 Low potential for impact to CR's FO to survey
WP 2 Low potential for impact to CR's FO to survey
Federally Threatened and Endangered Species Review
Based upon a memo submitted by Brian Cole of the United States Fish and Wildlife
Service (USFWS), dated June 21, 2005, no listed species or their habitats occur on this
site. The USFWS concur with the determination that the activities proposed at this site
will not affect endangered or threatened species or their habitats.

Erosion and Sediment Control Plan
Emergency Watershed Protection Program
Avery County
The following erosion and sediment control measures will be incorporated into all stream
repair sites.
1. The Contractor shall minimize vegetation disturbance by only working on the
stream bank and channel that is in need of repair. Existing buffers shall not be
disturbed unless directed by the designer.
2. The Contractor shall only enter the stream channel as shown on the plans or
directed by the designer. These stream accesses shall conform to the design
standards shown in the attached detail drawings. Timber mats may be used as a
substitute for rock per the approval of the designer.
3. The Contractor shall limit all bank and channel disturbance to activities that can
be completed by the end of each working day such that the work would remain in
place during an overnight storm event.
4. All equipment and uninstalled materials shall be removed from the channel at the
end of each working day and secured safely from potential out-of-bank flow
events that may occur prior to performing additional work.
5. Graded stream banks shall be stabilized with temporary and permanent seed and
coir fiber matting at the end of each working day. Seeding and coir fiber
matting specifications are included with this plan.
6. Stockpiles shall remain at least fifteen feet from flowing water and outside of the
top of bank. Silt fence shall be placed at the base of the stockpile between the
stockpile and the channel and must function to receive stockpile runoff before
entering the channel. Silt fence shall conform to design standards shown in the
detail drawings.
7. Temporary vegetation and permanent herbaceous vegetation shall be established
on all disturbed areas not already stabilized with matting, within five days after
construction is completed.
8. Permanent woody vegetations species are listed in the vegetation specifications;
planting details are also included.
Buck Engineering 1 of 8 River Works
TECHNICAL SPECIFICATION
Vel4etation Planting
General Seeding
Seeding should be done immediately upon completion of final grading. Apply seed prior
to installing matting. Prepare the soil surface so that it is smooth and free from stones,
clods, or debris that will prevent the contact of the matting with the soil. Fertilizer and
lime are generally not necessary on most projects, particularly not on sites that have been
used for agriculture production or cattle grazing. Urban soils may require amendments.
Seed should be broadcast with a centrifugal seeder or by hand, at the full rate along
stream banks and in stockpile areas. In all areas where permanent seeding is used in
addition to the temporary seed, mixing of the seed for broadcasting is acceptable. Seed
and amendments (if needed) should be covered to a depth of 1/2 to 1 inch with soil by
using a hand rake, drag or other tillage equipment.
Seeding may also be done with a hydroseeder. Wood cellulose fiber will not be
acceptable as a substitute for straw mulch. A suitable tracer shall be used to clearly
identify areas hydroseeded. A minimum of 500 lbs. per acre of wood cellulose fiber or a
non-toxic water base dye may be used as a tracer. Seed shall not remain in water
containing fertilizer more than 45 minutes before being used. All products used to
hydroseed shall be non-toxic to aquatic organisms.
Temporary Seeding
For temporary seeding, apply the following vegetation at the listed rates and times.
Temporary Seeding (September to March):
Rye grain 3 lbs per 1,000 sq ft or 130 lbs per acre
Temporary Seeding (April to August):
Foxtail Millet 1 lb per 1,000 sq ft or 40 lbs per acre
A combination of the two temporary seed types shall be used during the boundary months
of March, April, August and September to ensure survival. In all disturbed areas where
no permanent seed is being used (i.e. yard or agricultural field) and temporary seed is not
desired at the higher rate, broadcast temporary seed at the lower rate of approximately 1/2
the full lbs/acre stocking rate. When used in conjunction with permanent seed mix, apply
at %2 the full lbs/acre rate.
Permanent Seeding
Permanent seeding will be accomplished using the mix listed below:
Buck Engineering 2 of 8 River Works
Riparian Seed List
Scientific name
Agrostis alba
Carex vulpinoidea
Elyinus virginicus
Juncus effzsus
Panicum clandestinum
Polygonum pennsylvanicum
Bidens frondosa
Coreopsis lancolata
Cassia fasciculata
Verbesina alternifolia
Common Name % of Mix
Redtop 15%
Fox Sedge 10%
Virginia Wild Rye 20%
Soft Rusli 5%
Deer Tongue 15%
Smartweed 5%
Beggers Ticks 5%
Lance leafed Coreopsis 15%
Partridge Pea 5%
Wingstem 5%
Seed at full rate of 15 lbs/acre along stream banks and in any stream buffer and wetland
areas.
Riparian Buffers
Trees and Shrubs
Trees and shrubs will be used to provide permanent vegetation for EWP repair sites.
Species used shall be selected from the following list:
Shrub and Small Trees
Scientific name Common name
Salix sericea Silky Willow
Xanthorhiza sinzplicissizna Yellowroot
Physocarpus opulifolizis Ninebark
Cornus anzonum Silky Dogwood
Haznaznells vlrgmlana Wltcli-hazel
Carpinus caroliniana Ironwood
Corylus americana Hazel-nut
Alms serrulata Tag Alder
Ostrya virginiana Hornbeam
Spirea tomentosa Hardback
Rhododendron arborescens Smooth Azalea
Rhododendron maximum Rosebay Rhododendron
Cephalanlhus occidentalis Button Busli
Itea virginica Virginia Sweetspire
Calycanthus,loridus Sweet Shrub
Leucothoe axillaris var. editorunz Dog Hobble
Hydrangea arborescens Mountain Hydrangea
Saznbucus canadensis Elderberry
Buck Engineering 3 of 8 River Works
LargeTrees
Scientific name Common name
Aesculus octandra Buckeye
Tsuga canadensis Canadian Hemlock
Platanus occidentalis Sycamore
Acer rubrum Red Maple
Quercus alba White Oak
Quercus rubra Red Oak
Liriodendron tulipifera Tulip Poplar
Tsuga carolinianum Carolina Hemlock
Betula lenta Cherry Birch
Trees shall be planted as either bare rooted or containerized material. Trees should be
planted at a rate of 400 stems/acre (roughly 10 feet on center) where EWP repairs have
been accomplished. Planting of this material will be done during the dormant season
(late fall and winter of 2005-2006). Refer to the attached details and specifications for
more information.
Stream banks
Live Staking
Species used for live staking shall be taken from the following species:
Scientific name Common name
Cornus amomum Silky Dogwood
Salix sericea Silky Willow
Sambucus canadensis Elderberry
Cephalanthus occidentalis Buttonbush
Salix nigra Black Willow
Stake at 2-3 foot spacing on the outside of all meander bends. Stake at 6-7 foot spacing
on the inside of meander bends and all tangent sections. Note this is appropriate for most
rural systems. Urban or flashy systems should be staked at higher rates. Utilize as
diverse a species group as feasible and make sure that black willow constitutes less than
25% of total stakes used.
Containerized Plants:
Containerized shrub material may also be used on the stream banks to increase the
diversity. Applications and spacing should reflect that of live stake material.
Mulching
Mulching shall be used to provide temporary protection of soil surfaces from erosion.
Mulching should be performed within 48 hours of seeding. Grain straw mulch should be
applied on seeded areas at a rate of 75 bales per acre. Apply mulch uniformly.
Buck Engineering 4 of 8 River Works
Erosion Control Mattinli
Ecostakes
Provide wooden stake not less than 12 in. (300 mm) in length with a notch cut 1 in. (25
mm) from the top. These stakes shall be used to stake the matting along the slopes.
Wooden 3 ft. stakes spaced approximately 4 ft. apart shall be used to secure the matting
at the toe of slope. The toe stakes shall have a minimum 1-inch by 1-inch cross-section
and shall be designed so that the matting can not slide past the exposed end of the stake.
Refer to the attached details and specifications for EWP work for more information.
Coir Fiber Matting
The erosion control matting shall be a machine-produced mat of 100% coconut fiber with
the following properties:
Matrix 100% Coconut Fiber
Weight 20 oz/SY (678 gm/m2)
Tensile Strength 1348 x 626 lb/ft minimum (1650.5 x 766.5 kg/m)
Elongation 34% x 38%
Open Area (measured) 50%
Thickness 0.30 in minimum (7.6 mm)
Flexibility (mg --em) 65030 x 29590
Recommended Flow 11 feet/second (3.35 m/s)
Size 6.6 x 164 ft (120 SY) or (100 SM)
"C" Factor 0.002
Place the coir fiber matting immediately upon final grading. Provide a smooth soil
surface free from stones, clods, or debris that will prevent the contact of the matting with
the soil. Apply seed prior to installing matting. Begin at the bottom of the slope by
anchoring the matting in a 6-inch (15 cm) deep by 6-inch (15 cm) wide trench. Backfill
and compact the trench after staking. Walking backward down the stream, allow the
matting to unroll slowly; ideally the matting roll will rest against your shin as you walk.
Stake the matting according to recommended stake pattern for specific product and slope.
(See stake pattern guide that comes with the product.) Place matting in full contact with
the soil.
The edges of the parallel matting must be staked with approximately 2 inches (5 cm) of
overlap such that the edge of the downstream matting is under the one just upstream.
When matting must be spliced down the slope, place matting end over end (shingle style)
with approximately 6 inches overlap. Drive stakes through the overlapped area.
Place stakes across the matting at ends, junctions and trenches approximately 1.3 ft apart.
Place stakes along the outer edges, down the center of each strip of matting and along all
lapped edges approximately 2 ft apart. Cut excess matting and anchor at the end of the
slope.
Buck Engineering 5 of 8 River Works
Temporary Stream Access Ramps
Stream access ramps shall be constructed using either rock or timber mats in locations as
shown on the plans or as directed. Grading shall be performed only to the extent needed
to form a stable ramp connecting the stream bank grade to the streambed. The Contractor
shall determine the appropriate number of timber mats and ramp angle according to the
equipment that will be using the ramp. Stream access ramps are temporary and shall be
removed and the areas restored to their original state when they are no longer needed or
permanent measures are installed.
Sediment Fence -
Geotextile sediment fences shall be used to trap sediment from areas of limited runoff.
Sediment fences shall be properly anchored to prevent erosion under them. These works
are temporary and shall be removed and the areas restored to their original state when
they are no longer needed or permanent measures are installed. Locations for sediment
filters are shown on the plans. Refer to sediment fence specifications (6.62) in the NC
Erosion and Sediment Control Planning and Design Manual for material and installation
requirements.
Gravel Construction Entrance[El At
Temporary gravel construction entrances shall be constructed as shown on the plans and
according to specification 6.06 of the NC Erosion and Sediment Control Planning and
Design Manual.
In-stream Structures
In-stream structures include w-weirs, cross vanes, j-hook vanes, log vanes, and wing
deflectors. The quantity of in-stream structures to be constructed shall follow approved
plans, but may be affected by conditions encountered during construction
Boulders used for in-stream structures shall be relatively flat on either side in the same
dimension, preferably the long dimension, and must have relatively smooth ends. No
more than 5% of the boulders shall be smaller than 3'x2'x2'. Boulders larger than
6'x4'x3' shall be permitted. Boulders found on-site and approved for use by the
Developer will be used to the extent feasible.
The Contractor shall construct in-stream structures with equipment capable of moving
and accurately placing boulders of approximate dimensions 6'x4'x3'. If suitable for
backfill, excavated material shall be placed on the upstream side of structures or as
directed. Unless otherwise approved by the Developer, excavation to prepare the
subgrade for the installation of in-stream structures shall be consecutive and continuous.
Once the excavation of a structure has begun, the structure shall be completed by the end
of the workday. All equipment shall be removed from the stream at the end of each
workday. Any accumulation of sediment in the channel shall be cleaned as needed
during construction and at the end of construction. No separate payment will be made for
this clean-up work.
Buck Engineering 6 of 8 River Works
Construction Sequence of Events
Construction shall be performed at the EWP site in accordance with the plans and in
general accordance with the following sequence:
1. Mobilize equipment and materials to the site.
2. Set up construction access pads, staging areas, haul roads, and silt fences.
3. Install stream access ramps.
4. Excavate and grade banks and construct in-stream structures.
5. Seed and mat graded banks and immediately upon reaching final grades.
6. Stabilize all disturbed soil with temporary and permanent seed prior to leaving the
site each day and prior to moving to the next work area.
7. Dispose of excess materials at approved off-site locations.
8. Remove stream access ramps.
9. Remove silt fence and seed and mulch staging areas to restore these areas to pre-
project conditions.
10. Demobilize grading equipment from the site. Remove construction access pads.
11. Plant bank, floodplain and buffer woody vegetation and live stakes during the
dormant season.
Buck Engineering 7 of 8 River Works

Details and Specifications for EWP Work
Planting
• Bare Root/Container Planting
• Brush Mattress
• Tree & Shrub Planting Details
• Live Staking
Erosion Control
• Erosion Control Matting
• Silt Check
• Silt Fence
• Typical Pump Around Operation
• Temporary Gravel Construction Entrance
• Ford Stream Crossing
• Ford Stream Crossing 2
• Temporary Ford Stream Crossing W/ Flume Pipe
Stream Repair Structures
• Typical Structure Placement
• Typical Plan View & Profile
• Constructed Riffle
• Double Drop Rock Cross Vane
• Double Wing Deflector
• "J" Hook Vane
• Log Vane
• Log Vane 2
• Log Step Pool
• Rock Vane
• Rock Cross Vane Type 1
• Rock Cross Vane Type 2
• Root Wads
• Single Wing Deflector
• Step Pool Channel
Buck Engineering 8 of 8 River Works
PLANTING SPECIFICATIONS
NOTES:
1. PLANT BARE ROOT SHRUBS AND TREES TO THE WIDTH OF THE
BUFFER AS SHOWN ON THE PLANS.
2. ALLOW FOR 6-10 FEET BETWEEN PLANTINGS, DEPENDING ON SIZE.
3. LOOSEN COMPACTED SOIL
TOP OF STREAMBANK 4. PLANT IN HOLES MADE BY A MATTOCK DIBBLE, PLANTING BAR,
OR OTHER APPROVED MEANS.
5. PLANT IN HOLES DEEP AND WIDE ENOUGH TO ALLOW THE ROOTS
TO SPREAD OUT AND DOWN WITHOUT J-ROOTING.
6. KEEP ROOTS MOIST WHILE DISTRIBUTING OR WAKING TO PLANT
BY MEANS OF WET CANVAS, BURLAP, OR STRAW.
7. HEEL-IN PLANTS IN MOIST SOIL OR SAWDUST IF NOT PROMPTLY
PLANTED UPON ARRIVAL TO PROJECT SITE.
NOTES:
1. WHEN PREPARING THE HOLE FOR A POTTED PLANT OR SHRUB
DIG THE HOLE 8 -12 INCHES LARGER THAN THE DIAMETER OF THE
PLANTINGS POT AND THE SAME DEPTH AS THE POT.
2. REMOVE THE PLANT FROM THE POT. LAY THE PLANT ON ITS SIDE
IF NECESSARY TO REMOVE THE POT.
3. IF THE PLANT IS ROOTBOUND (ROOTS GROWING IN A SPIRAL
AROUND THE ROOT BALL), MAKE VERTICAL CUTS WITH A KNIFE
OR SPADE JUST DEEP ENOUGH TO CUT THE NET OF ROOTS.
ALSO MAKE A CRISS-CROSS CUT ACROSS THE BOTTOM OF THE BALL
4. PLACE THE PLANT IN THE HOLE
TOP OF STREAMBANK 5. FILL HALF OF THE HOLE WITH SOIL (SAME SOIL REMOVED FOR BACKFILL).
6. WATER THE SOIL TO REMOVE AIR POCKETS AND FILL THE REST
OF THE HOLE WITH THE REMAINING SOIL
BOTTOM OF CHANNEL
CROSS SECTION VIEW OF CONTAINER PLANTING
`jam 8000 Regency Parkway Suite 200
Phone: [phone]
k3,?>v?*? Cary, North 63i 5490 1 BARE ROOT/ CONTAINER PLANTING
+' } Fax: x: 91 91983-5490
ZY
Q
m
0
M
0
I
A
t-
20' TO 30'
FOOTER
ROCK -
BOULDER
CLUSTER
PLAN VIEW
DOUBLE WING DEFLECTOR
Y
0
a
0
?- BACK FILL WITH WELL GRADED
CLASS A & B STONE MIX COARSE
MATERIAL FROM STREAMED
A
NO GAPS
BETWEEN
ROCKS
FIRST ROCK
TIED INTO
STREAMBANK
M 13ANKFULL
FLOW
STREAMED
ELEVATION _____//////
8000 Regency Parkway Suite 1200
MUCK Cary, North Carolina 27 27511
Phone: [phone]
Fax: [phone]
ARM 'X' PROFILE VIEW
NOTE NO SLOPE FOR ARMS Y & Z
A BANKFULLSTAGE A
113 TO 112 BANKFULL
SECTION A - A
HEADER ROCK
FOOTER ROCK
DOUBLE WING DEFLECTOR
1/3 1/3 1/3
BOTTOM BOTTOM BOTTOM
CONSTRUCTED RIFFLE

C ?
A
TOP ?I
OF BANK OJ
LL
112 Wbkf
$ 213-1
69 Wbkf
ego ??
aC)
IA
PLAN VIEW
B
C
CEN.E -------.-
BELOW ADJACENT BOULDERS
SECTION B - B
HEAD OF RIFFLE BURY BOULDERS 2-4" BELOW BED
18" NOM. THICKNESS WELL GRADED MIX
OF CLASS A, 8, AND 1 STONE
\OE RIFFLE
FILTER
5' MINIMUM -1•-?{ FABRIC 8
PROFILE A - A
18" NOM. THICKNESS WELL GRADED MUC
OF CLASS A, B, AND 1 STONE
SECTION C - C
8000 Regency Parkway 51200
Cary, North Carolina 27 27511
Phone: [phone]
Fax: [phone]
ELEVATION POINT
TOE
REACH 1 2
Wbkf (ft) Dmax ft
CONSTRUCTED RIFFLE
EROSION CONTROL
EROSION CONTROL
I ? - ;: ]e nHriTnEmen Eton[
w?.a.n a.ea,Ta
„
m?aar ro, nwu' cc.rN or
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GROVNDCOVER PLANTING DETAIL
'ti co.c uaau
¦
TREE OR SHRUB PLANTING DETAIL
onouo rc.a
i
STAKNG DETAIL
FOR TREES 6TO 19 TALL
.Twab Dark aar s .en anen n me en.mi.
RwE
r?T?w arM.oor av?nu
uwaE armor,
]carer, izrurtnx
norm aw]oe ?? ? co
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car.ecr ucol. II •., ?? ."?."? Il+a+l'
]cwuer em ro w ocvrH a
SHRUB BED PLANTING DETAIL
vGUYING & STAIQNG
?. ]O?C..L WM R.VIT MIXl: ]? CO].wMEV Cw appT ]wl tof
1 • ] Ts4] M awwEfEV M MWrirwrE.90A M POpr ]wLaINQTFII
1 iIXR>gn awLL E N?nlra AT M rwE M el/urnM rEmlut] PWl
]E?0.0W ]9FyeeEl/FTM TMIff iQWIJ{/?TK .tMLLIf H4MQ?F9
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nenee euw' mw rov n.]u eesane unawrrrowa]io srai •
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GUY SPACING DETAIL
+ O +
RANDOM PLANT SPACING DETAIL-PLAN VIEW
r. µ owui r?swm acr.o anwa room e.eeroren ro
M ewrta1o aafauunox (]FE RINi GFAIq.
1 •n vava>K u..rw oP.cri a]rw«f c.m w.agr4D
ro Finw aon]o?.u aEGFI PF£ I1NIT.atpllE1
?na..wair ?rFwow art
PRUNING CUTS
GUY TYING DETAIL
?s w Q P one: 91&433-648811 I
F.91948354DO TREE & SHRUB PLANTING DETAILS
TREE OR SHRUB PLANTING DETAIL
nnr.n anus
TREE GUYING DETAIL
FOR TREES 19 OR TALLER
unm Duna o-airv near+}®n T1! -
TYPICAL STRUCTURE PLACEMENT
LOO VANE
MAT BANKS WITH COIR FIBER MATTING
(SEE SPECS)
y MAT BANKS WITH COIR FIBER MATTING
(SEE SPECS)
/ LOG WEIR
.
'

P% MAT BANKS WITH COIR FIBER MATTINO
(SEE SPECS)
01

O

MAT BANKS WITH COIR FIBER MATTING
(SEE SPECS)
S
ROOT WADS
(NUMBERAND
SIZE TO SE
DETERMINED
IN THE FIELD) i
TOP OF BANK
STRU=RE NOTES:
1. GENERALLY LOG WEIRS, ROOT WADS,
LOG VANES AND COIR FIBER MATTING
WILL BE INSTALLED IN THE LOCATION
AND SEQUENCE AS SHOWN.
2. ADDITIONAL STRUCTURES OR CHANGES
TO STRUCTURE LOCATIONS MAY BE MADE
BY THE DESIGN ENGINEER DURING
CONSTRUCTION.
LM ? ?"J (C K 8000 Regency Parkway Suite 200
f?? i6i?? L`?/ Cary, North Canolina 27511
Phone: [phone]
rv+; i n; s. Fax [phone]
MAT BANKS WITH COIR FIBER
(SEE SPECS)
NOTES:
1. COIR FIBER MATTING TO BE INSTALLED ON
ALL RESTORED STREAMBANKS.
2. IF ROOT WADS DO NOT COVER ENTIRE SLOPE ON OUTSIDE
OF MEANDER BENDS, COIR FIBER MATTING IS NEEDED.
TYPICAL STRUCTURE PLACEMENT
FLOW
1
BOULDERS FOR
OPEN CHANNEL
INVERT OF CULVERT
FOR PIPES
[ (') t"] C m 8000 Regency Parkway Suite 200
el ?r'?awy ? Cary, North Carolina 27511
Q Phone: [phone]
VFax: 919-483-5490
STEP POOL
STREA161BED OR HEADER
CULVERTINVERT ROCK
zzlllz?
FOOTER ROCK
WELL GRADED MIX
OF CLASS A & B STONE -
ra
C
FLOW -?
H
d
PROFILE VIEW
CROSS SECTION
STEP POOL CHANNEL
FILTER FABRIC
PLAN VIEW
1. USE FILTER FABRIC A MINIMUM OF 36" IN WIDTH AND
FASTEN ADEQUATELY TO THE WIRE AS DIRECTED
BY THE ENGINEER.
2. PROVIDE 5 STEEL POST OF THE SELF-FASTENER
ANGLE STEEL TYPE. F1 17 8000 Regency Parkway Suite 200
Lam(: 3 Cary, North Carolina 27511
Phone: [phone]
Fax: [phone]
TEMPORARY SILT FENCE
FILTER FABRIC
COMPACTED FILL

III
I I I 8' I I l
I I I?
_
- ?
STEEL POST - 2'-0"

EXTENSION OF FABRIC
INTO TRENCH
SILT FENCE
8' MAXIMUM
ROOT WADS WITHOUT TRANSPLANTS
CROSS SECTION VIEW
NTS
COIR FIBER MATTING
FLOOD PLAIN
BERM (0.SMAX. HT.) BERM(S)
NOT TO EXTEND BEYOND
LIMITS OF ROOT WADS.
TOP OF BANK
ROOT WADS
PLAN VIEW
NTS
O?
/- OPTIONAL
/ COVER LOG
ANCHOR COVER LOG
UNDER FOOTER LOGS
OR WITH A BOULDER
10.15 FEET LONG
>10" DIAMETER -
FOOTER LOG > 12" DIAMETER INSTALLED BELOW STREAMBED
(OPTIONAL PER DIRECTION OF ENGINEER)
ROOT WAD
TRANSPLANTS OR BOULDERS
ROOT WADS WITH TRANSPLANTS
CROSS SECTION VIEW
NTS
TRANSPLANTS
FLOOD PLAIN BERM (0.5' MAX. HT.) BERM(S)
NOT TO EXTEND BEYOND
LIMITS OF ROOT WADS.
Z .. IS: BELOW. STREA
6 FEET LONG TRUNK
>12" DIAMETER
TOP OF BANK
FOOTER LOG > 12" DIAMETER INSTALLED BELOW STREAMBED
(OPTIONAL PER DIRECTION OF ENGINEER)
?"? ("I C m Q 8000 Regency Parkway Suite 1200
U I?,fJ( Cary. North Caroline 27 27511
Phone: [phone]
-? Fax: [phone]
FOOTER LOG FOR
TRENCHING METHOD
ONLY
NOTES
TRENCHING METHOD:
IF THE ROOT WAD CANNOT BE DRIVEN INTO THE BANK OR THE BANK
NEEDS TO BE RECONSTRUCTED, THE TRENCHING METHOD SHOULD
BE USED. THIS METHOD REQUIRES THAT A TRENCH BE EXCAVATED
FOR THE LOG PORTION OF THE ROOT WAD. IN THIS CASE, A FOOTER
LOG SHOULD BE INSTALLED UNDERNEATH THE ROOT WAD IN A TRENCH
EXCAVATED PARALLEL TO THE BANK AND WELL BELOW THE STREAMBED.
ONE-THIRD OF THE ROOT WAD SHOULD REMAIN BELOW NORMAL BASE
FLOW CONDITIONS.
NOTES
DRIVE POINT METHOD:
SHARPEN THE END OF THE LOG WITH A CHAINSAW BEFORE 'DRIVING"
IT INTO THE BANK ORIENT ROOT WADS UPSTREAM SO THAT THE STREAM
FLOW MEETS THE ROOT WAD AT A GO-DEGREE ANGLE, DEFLECTING THE
WATER AWAY FROM THE BANK A TRANSPLANT OR BOULDER SHOULD BE
PLACED ON THE DOWNSTREAM SIDE OF THE ROOT WAD IF A BACK EDDY
IS FORMED BY THE ROOT WAD. THE BOULDER SHALL BE APPROXIMATELY
4'X XX Z.
ROOT WADS
FLOW
ROCK CROSS VANE TYPE 2
113 OF TOP WIDTH TYPE 2 CROSS VANE FOR GRAVEL/SAND BED STREAMS
OF CHANNEL WITH DRAINAGE ARES LESS THAN 12mi' MIN
C
Y GRADE Y J
Y B PO NT m CHANNEL BED
LL z
0 - A 0 WELL GRADED MIX E° ?yo
z
Z O .. ... ? ? .?yy O Y
0 O
a I A J, * 0- FILTER FABIC
0 0
e' MINIMUM
A
VANE y_
ARM SECTION A - A
SCOUR POOL I BANKFULL STAGE
I
B
SILL .. ,' SILL FLOW ? 4Y. TO 7X VANE ARAI SLOPE
STREAM BED
NO GAPS
ETWEEN ELEVATION \/
B VANE ANGLE B
20' TO 30' BOULDERS
C
PROFILE VIEW B - B
VANE ARM LENGTH
PLAN VIEW INVERT WIDTH
VANE ARM SLOPE
VANE ANGLE
FT
FT
ova
0
VANE ARM
CROSS VANE INVERTIGRADE POINT
NOTES FOR ALL VANE STRUCTURES:
1. BOULDERS MUST BE AT LEAST 4' x Tx 2.
2 INSTALL FILTER FABRIC FOR DRAINAGE BEGINNING AT THE MIDDLE OF THE HEADER
ROCKS AND EXTEND DOWNWARD TO THE DEPTH OF THE BOTTOM FOOTER ROCK AND
THEN UPSTREAM TO A MINIMUM OF SLY FEET.
3. DIG A TRENCH BELOW THE BED FOR FOOTER ROCKS AND PLACE FILL ON UPSTREAM
SIDE OF VANE ARM, BETWEEN THE ARM AND STREAMBANK
4. CONSTRUCT FOLLOWING ANGLE AND SLOPE SPECIFICATIONS.
5. USE CLASS 1 STONE TO FILL GAPS ON UPSTREAM SIDE OF BOULDERS, AND
CLASS A STONE TO FILL GAPS ON UPSTREAM SIDE OF CLASS 1 STONE.
8. AFTER ALL STONE HAS BEEN PLACED, FILL IN THE UPSTREAM SIDE OF THE STRUCTURE
WITH ON-SITE ALLUVIUM TO THE ELEVATION OF ONE HALF THE HEADER ROCK
FILTER FABIC FOR DRAINAGE
(SEE SPECIFICATIONS) -
PROFILE VIEW C - C
HEADER ROCK
STREAM BANK
1 B
FOOTER ROCK
8000 Regency Parkway Suite 200
Cary, North Carolina 27511 ROCK CROSS VA f ? E TYPE 2
4 Phone: [phone]
`=? Fax: [phone]
FLOOW
1
113 TOP WIDTH
C
B GRADE
? POINT
0
Ld
0
A
SCOUR POOL
SILL
B VANE ANGLE NO GAPS
BETWEEN
I20* I Lm- TO 30' BOULDERS
C
VANE \
ARM
ROCK CROSS VANE TYPE 1
TYPE 1 CROSS VANE FOR GRAVEL/COBBLE BED RIVERS
WITH DRAINAGE AREAS GREATER THAN 12mi'
FLOW
- .. SILL
TOE OF BANK
SECTION A - A
BANKFULL
FLOW -?
STREAM BED
ELEVATION
PROFILE VIEW B - B
VANE ARM
PLAN VIEW VANE ARM LENGTH FT
INVERT WIDTH FT
VANE ARM SLOPE %
VANE ANGLE o
NOTES FOR ALL VANE STRUCTURES:
1. BOULDERS MUST BE AT LEAST 4'x 3'x 2'.
2. INSTALL FILTER FABRIC FOR DRAINAGE BEGINNING AT THE MIDDLE OF THE HEADER
ROCKS AND EXTEND DOWNWARD TO THE DEPTH OF THE BOTTOM FOOTER ROCK AND
THEN UPSTREAM TO A MINIMUM OF SL< FEET.
3. DIG ATRENCH BELOW THE BED FOR FOOTER ROCKS AND PLACE FILL ON UPSTREAM
SIDE OF VANE ARM, BETWEEN THE ARM AND STREAMBANK
4. CONSTRUCT FOLLOWING ANGLE AND SLOPE SPECIFICATIONS.
5. USE CLASS 1 STONE TO FILL GAPS ON UPSTREAM SIDE OF BOULDERS, AND CLASS A
STONE TO FILL GAPS ON UPSTREAM SIDE OF CLASS 1 STONE.
8. AFTER ALL STONE HAS BEEN PLACED, FILL IN THE UPSTREAM SIDE OF THE STRUCTURE
WITH ON-SITE ALLUVIUM TO THE ELEVATION OF ONE HALF THE HEADER ROCK
FI n,.,,
FILTER FABIC
CROSS VANE INVERTIGRADE POINT
4X TO 7X V-E
PROFILE VIEW C - C
2'
2
MIN
' -1
WELL GRADED MIX
HEADER ROCK
STREAM BANK
B
FOOTER ROCK
8000 Regency Parkway Suite 00
Phone [phone]
Fax: [phone] ROCK CROSS VA N E TYPE 1
TYPICAL PUMP AROUND OPERATION
TEM.
IMPERVIOUS DIKE
(SEE PROJECT SPECIAL
SPECIAL BTU-LING BK
(SEE PROJECT SPECM
STABBIZED OUTLET)
MOM,
1. EXCAVATION SHALL BE PERFORMED IN ONLY DRY SECTIONS OF CHANNEL
2. IMPERVIOUS DIKES SHOULD BE USED TO ISOLATE WORKAREAS FROM
STREAM FLOW.
E PROJECT SPECIAL PROVISIONS) 1 THE CONTRACTOR SMALL NOT DISTURB MORE AREA THAN CAN BE STABILIZED
'ERVIOUS DIKE IN ONE WORKING DAY.
? THE PUMP-AROUND PUMP SHOULD ADEQUATELY CONVEY 0.1 CFS (45 GALLONS
PER MINUTE).
I
t
NS)
SPECIAL STILLING BASIN
EXISTING GROUND
FILTER FABRIC
I5-20F1
SIC, 'ONCE CF CCNSTR'_OTICY FCR TYPCAL PU`0- AROUND
1. INSTALL SPECIAL STILLING BASINS AT THE DOWNSTREAM END OF THE DESIGNATED
PROJECT WORKING AREA
2. THE CONTRACTOR WILL INSTALL THE PUMP AROUND PUMP AND THE TEMPORARY
FLEXIBLE HOSE THAT WILL CONVEY THE BASE ROW FROM UPSTREAM OF THE WORK
SITE TO THE SPECIAL STILLING BASIN OR STABILIZED OUTLET.
]. INSTALL UPSTREAM IMPERVIOUS DIKE AND BEGIN PUMPING OPERATIONS FOR
STREAM DIVERSION.
A. INSTALL THE DOWNSTREAM IMPERVIOUS DIKE AND PIMPING APPARATUS IF NEEDED
TO DEWATER THE ENTRAPPED AREA THE PUMP AND HOSE FOR THIS PURPOSE SHALL
BE OF SUFFICIENT SUE TO DEWATER THE WORK AREA THIS WATER WILL FLAW INTO
A SPECIAL STILLING BASIN.
5. THE CONTRACTOR WALL PERFORM STREAM RESTORATION WORK IN ACCORDANCE
WITH THE RAN AND FOLLOWING THE GENERAL CONSTRUCTION SEQUENCE
Q THE CONTRACTOR WILL EXCAVATE ANY ACCUMULATED SILT AND DEWATER BEFORE
REMOVAL OF THE IMPERVIOUS D11a=. REMOVE IMPERVIOUS DIKES. PUMPS, AND
TEMPORARY FLEXIBLE HOSE STARTING WITH THE DOWNSTREAM DIKE FIRST.
7. THE CONTRACTOR WILL COMPLETE ALL GRADING AND STABILIZATION IN ONE DAY
WITHIN THE PUMP AROUND AREA BETWEEN THE IMPERVIOUS DIKES
8. ONCE THE WORKING AREA IS COMPLETED, REMOVE THE STILLING BASINS AND
STABILIZE DISTURBED AREAS WITH SEED AND MULCH.
8000 Regency Parkway Suite
Cary, Phone [phone] C2511 00
( Fen: 919-463-5490 TYPICAL PUMP AROUND OPERATION
TYPICAL PLAN VIEW AND PROFILE
B
POOL MAX DEPTH
POOL
HEAD OF POOL-
OF RIFFLE
NOTES:
B ?(? 1. THE POINTS SHOWN, e.9. HEAD OF RIFFLE, HEAD OF POOL AND MAX DEPTH OF POOL
ARE THE CONTROL POINTS USED TO CUT THE PROFILE; HOWEVER, THE CONTRACTOR
SHOULD CREATE SMOOTH TRANSITIONS BETWEEN CONTROL POINTS AS SHOWN ABOVE.
2. USE THE FACET SLOPES IN THE TABLE AS A GUIDE TO ENSURE THAT THE FEATURES
A ARE APPROPRIATELY GRADED.
3. THE HEAD OF RIFFLE ELEVATION SHOULD NOT EXCEED THE HEAD OF POOL ELEVATION.
BANKFULL 4. THE CHANGE IN WIDTH BETWEEN THE RIFFLES AND POOLS SHOULD OCCUR GRADUALLY
LIMITS OVER THE ENTIRE LENGTH OF THE BEND.
CENTERLINE
BANKFULL3 PROFILE VIEW
STAGE
FLOW
HEAD OF RIFFLE
MAX DEPTH OF POOL
?,f? ^ 8000 Regency Parkway Suite 200
{{,1+„( Cary, North Carolina 27511
Phone: [phone]
- %? Fax: [phone]
D:72a'x?
RIFFLE)
r-THALWEG
HEAD OF RIFFLE
FACET SLOPE RANGE
RIFFLE 0019-.0069
RUN .018-.030
POOL 0007 - .002
GLIDE 013-.028
TYPICAL PLAN VIEW & PROFILE
BANKFULL
12" DIAMETER
OR GREATER
/
/
frc -?.
12" DLAMETER
OR GREATER
LOG STEP / POOL
/
BURY INTO BED/BANK
5 FEET OR GREATER A
(TYPICAL)
PROTECT BANK USING
SEE DETAIL
BURY INTO BEMANK
5 FEET OR GREATER
(TYPICAL)

R:?\1 '
A
PLAN VIEW
8000 Regency Parkway Suite 200
Cary, North Carolina 2751 27511
y Phone: [phone]
4
L. Fax: [phone]
F?Ow
FILTER FABRIC
(TYPICAL)
SECTION A - A'
BANKFULL
FLOW -?
STREAMED
1' BELOW MAX
POOL DEPTH
FOOTER LOG
PROFILE VIEW
NOTES:
1. LOGS WITHOUT ROOT MASS MAY BE USED IF APPROVED BY PROJECT ENGINEER.
LOG STEP / POOL
?- THALWEG
A'
12 TO 213
BANKFULL
LIVE STAKING
TOP OF STREAMBANK
TOE OF SLOPE
BOTTOM OF CHANNE
7 7
CROSS SECTION VIEW
6'-B' SPACING
2'-3' SPACING
TOP OF
STREAMBANK
TOE OF

:a.::.::a ::.:: s
PLAN VIEW
TOP OF STREAMBANK
PLANT STAKES FROM TOP OF BANK
TO TOE OF BANK IN A DIAMOND SHAPED
STAGGERED PATTERN
SQUARE CUT TOP
BUDS FACING UPWARD
UVE CUTTING
MIN. 12" DIA
2' - 3' LENGTH
ANGLE CUT
30 - 45 DEGREES
LIVE STAKE DETAIL
NOTES:
PLAN VIEW
1. STAKES SHOULD BE CUT AND INSTALLED ON THE SAME DAY.
2. DO NOT INSTALL STAKES THAT HAVE BEEN SPLIT.
3. STAKES MUST BE INSTALLED WITH BUDS POINTING UPWARDS.
4. STAKES SHOULD BE INSTALLED PERPENDICULAR TO BANK
5. STAKES SHOULD BE 12 TO 2 INCHES IN DIAMETER AND 2 TO 3 FT LONG.
8. STAKES SHOULD BE INSTALLED LEAVING 115 OF STAKE ABOVE GROUND.
8000 Regency Parkway Suite 1200
SUCK Cary, North Carolina 27 27511 LIVE STAKING
Phone: [phone]
!? • ? Fax: [phone]
J-HOOK VANE
w
c?
D
z
Co
M
a
1f3 BOTTOM 1!3 BOTTOM
WIDTH OF WIDTH OF
CHANNEL CHANNEL
FLOW
LEAVE T- 2'
20' TO 30° GAPS
A
J NO GAPS
DL AAI %1IMA/
BETWEEN
BOULDERS
SCOUR
POOL
1
1
SCOUR POOL (EXCAVATED)
PER DIRECTION OF ENGINEER
12 TO 213 BANKFULL
FLOW
STREAMBED ELEVATION
BACKFILL (ON-SITE ALLUVIUM OR NO. 57 STONE))
CLASS A STONE-
CLASS 1 STONE
PROFILE VIEW
CLASS A STONE
STREAMBED
BACKFILL (ON-SITE ALLUVIUM OR NO. 57 STONE)
FILTER FABRIC ?
NOTES FOR ALL VANE STRUCTURES:
1. BOULDERS MUST BE AT LEAST 4'x 3'x2'.
2. INSTALL FILTER FABRIC FOR DRAINAGE BEGINNING AT THE MIDDLE OF THE HEADER
ROCKS AND EXTEND DOWNWARD TO THE DEPTH OF THE BOTTOM FOOTER ROCK AND
THEN UPSTREAM TO A MINIMUM OF TEN FEET.
3. DIG A TRENCH BELOW THE BED FOR FOOTER ROCKS AND PLACE FILL ON UPSTREAM
SIDE OF VANE ARM, BETWEEN THE ARM AND STREAMBANK
4. START AT BANK AND PLACE FOOTER ROCKS FIRST AND THEN HEADER (TOP) ROCK
5. CONTINUE WITH STRUCTURE, FOLLOWING ANGLE AND SLOPE SPECIFICATIONS.
8. AN EXTRA BOULDER CAN BE PLACED IN SCOUR POOL FOR HABITAT IMPROVEMENT.
7. USE CLASS 1 STONE TO FILL GAPS ON UPSTREAM SIDE OF BOULDERS, AND CLASS A
STONE TO FILL GAPS ON UPSTREAM SIDE OF CLASS 1 STONE.
8. AFTER ALL STONE HAS BEEN PLACED, FILL IN THE UPSTREAM SIDE OF THE STRUCTURE
WITH ON-SITE ALLUVIUM TO THE ELEVATION OF THE TOP OF THE HEADER ROCK
1'
10' MINIMUM
1'
SECTION A - A
?T 8000 Regency Parkway Suite 200
1' ,ly??ir'?i? Cary, North Carolina 27511 "J" HOOK VA ?! E
Phone: [phone]
,. Fax: [phone]
HEADER ROCK
FOOTER ROCK
SCOURPOOL
(EXCAVATED)
HEADER ROCK
ROCK
CLASS 1 STONE
EROSION CONTROL MATTING
PLACE COIR FIBER MATTING IN B INCH DEEP
TRENCH, STAKE, BACKFILL, AND COMPACT
/-- TOP OF STREAMBANK
TYPICAL MATTING STAKE
NOTES:
1. BANKS SHOULD BE SEEDED PRIOR TO
PLACEMENT OF MATTING.
2. PLACE COIR FIBER MATTING ACCORDING TO
MANUFACTURER RECOMMENDATIONS.
3. MATTING STAKES SHOULD BE PLACED
IN A DIAMOND SHAPED PATTERN.
THE WOOD STAKE SHALL BE THE NORTH AMERICAN
GREEN EGO-STAKE OR APPROVED EQUAL WITH THE
FOLLOWING DIMENSIONS:
LEG LENGTH 11.00 IN 27.94 CM
HEAD WIDTH 1.25 IN 3.18 CM
HEAD THICKNESS 0.40 IN 1.02 CM
LEG WIDTH 0.60 IN 1.52 CM (TAPERED TO POINT)
LEG THICKNESS 0.40 IN 1.02 CM
TOTAL LENGTH 12.00 IN 30.48 CM
DITCH
0 0 0 0 0 0 0 0 0 0 0 0
TOP 0 0 0 0 0 0 0 0 0 0 0
AMBANK
STREA - - -
-

--

--

-- -_

-
- _

-
- _ - _

-
- - -
0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 d
0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0
PLAN VIEW
DITCH
TOP OF STREAMBANK
STAKES
COIR FIBER MATTING TO BE
EXTENDED TO TOE OF SLOPE
8000 Regency Parkway Suite 00
Phone: [phone]
F_ Q Fax: [phone] EROSION CONTROL MATTING
BANKFULL
FLOW----,..
STREAM BED
ELEVATION I
BACKFILL (ON-SITE ALLUVIUM)-
#57 STONE -
CLASS A STONE
CLASS 1 STONE
HEADER ROCK
4% -TO 8% SLOPE
FABRIC
FOOTER ROCK
PROFILE VIEW
# 57 STONE
CLASS 1 STONE
BACKFILL (ON-SITE ALLUVIUM) 1
STREAMBED 1
CLASS A STONE r d"
FILTER FABRIC 1
1=:
10' MINIMUM -
SECTION A - A
BETWEEN 1
BOULDERS
PLAN VIEW
FLOODPLAIN SILL
POOLS(EXCAVATED)PER
DIRECTION OF ENGINEER
DEPTH = AVERAGE BANKFULL DEPTH x 1.5 TO 2.0
NOTES FOR ALL VANE STRUCTURES:
1. BOULDERS MUST BE AT LEAST 4' x Tx 2'.
2. INSTALL FILTER FABRIC FOR DRAINAGE BEGINNING AT THE MIDDLE OF THE HEADER
ROCKS AND EXTEND DOWNWARD TO THE DEPTH OF THE BOTTOM FOOTER ROCK
AND THEN UPSTREAM TO A MINIMUM OF TEN FEET.
3. DIG A TRENCH BELOW THE BED FOR FOOTER ROCKS AND PLACE FILL ON UPSTREAM
SIDE OF VANE ARM, BETWEEN THE ARM AND STREAM BANK
4. START AT BANKFULL AND PLACE FOOTER ROCKS FIRST AND THEN HEADER (TOP) ROCK
5. CONTINUE WITH STRUCTURE, FOLLOWING ANGLE AND SLOPE SPECIFICATIONS.
8. AN EXTRA BOULDER CAN BE PLACED IN SCOUR POOL FOR HABITAT IMPROVEMENT.
7. USE CLASS 1 STONE TO FILL GAPS ON UPSTREAM SIDE OF BOULDERS, AND
CLASS A STONE TO FILL GAPS ON UPSTREAM SIDE OF CLASS 1 STONE.
8. AFTER ALL STONE HAS BEEN PLACED, FILL IN THE UPSTREAM SIDE OF THE STRUCTURE
WITH ON-SITE ALLUVIUM TO THE ELEVATION OF THE TOP OF THE HEADER ROCK
ILIHI? U(C W W 4 8000 Regency Parkway Suite Cary,
Phone: [phone]
r : Fax: [phone] DOUBLE DROP ROCK CROSS VANE
1/3 1/3 1/3
BOTTOM BOTTOM BOTTOM
WIDTH OF WIDTH OF WIDTH OF
TEMPORARY GRAVEL CONSTRUCTION ENTRANCE
PUBLIC ROAD
8" MINIMUM THICKNESS OF
WASHED CLASS A STONE
NOTES:
SPECIFICATION NO. 6.06 - CONSTRUCTION ACCESS 'N.C. EROSION AND SEDIMENT
CONTROL PLANNING AND DESIGN MANUAL DECEMBER 1993"
4 8000 Regency Parkway Suite 200 TEMPO RA RY GRAVEL
SUCK Cary, North Carolina 27511 Suite
Phone: [phone]
::: ?.? Fax: [phone]
CONSTRUCTION ENTRANCE
BRUSH MATTRESS
FLOW
PLAN VIEW
DETAIL
STAKES 3 FT
GUAGE GALVANIZED
IRE SECURED TO STAKES
JCHES MIN PER 3.3 FT.
TES OF 1 INCH OR LESS
BANKFUL
CROSS SECTION
-?{ 2" f. 4"
JQ??v
WOODEN STAKE
NOTCHED FOR WIRE OR
ROPE W/ MIN. 3-FT LENGTH iv
co
L ?A
NI
TYPICAL STAKE
{1 n 8000 e 1
PRegency hone 919 Parkway 00
3-5488 11
[??*-?? 4} Fax: [phone]
:
NOTES
1. BOARD FOR STAKE SHOULD BE 2"x 4"x 18"
2. SAW 2 x 4 TIMBER DIAGONALLY TO PRODUCE 2 DEAD STOUT STAKES
BRUSH MATTRESS
NOTES:
1. CREATE 12" DEEP TRENCH
2. STAKE AND WIRE BRUSH LAYER INTO TRENCH
3. BACK FILL 3" OF ON-SITE ALLUVIUM OVER BRUSH LAYER