20051418 Ver 1_Complete File_20050728

t T OF WHrF
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Y
Alan W. Klimek, P.E. Director
Division of Water Quality
August 8, 2005
DWQ Project # 05-1418
Buncombe County
Jon Creighton
Buncombe County Government
205 College Street
Asheville, NC 28801
Subject Property: Dillingham Creek _ EWP (DSR 2005 - 23 &44
AU G 1 g 2005
Approval of 401 Water Quality Certification with Additional CondigMp,RDSTO MATERBPPNCI' WATER QUALIT'Y
Dear Mr. Creighton:
You have our approval, in accordance with the attached conditions and those listed
below, to place fill within_ or otherwise impact 200 feet of streams-for-the pur ose of
streambank stabilization at the subject properties, as described within o p
ur application
received by the N.C. Division of Water Quality (DWQ) on August 1, 2
005. After
reviewing your application, we have decided that the impacts are covered by General
Water Quality Certification Number(s) 3376 (3376). 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. 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 art
of the application package. If you change your project beyond the activities authorized
below, 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 letter and is thereby responsible for complying with all conlditio s.lcIf Certification
fills pfor thus
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.
The Additional Conditions of the Certification are:
401 Wetlands Certification Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650 Non.?ehCarolina
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604 dVatllCat?lf
Phone: [phone] / FAX [phone] / Internet http://h2o.enr state nc us/ncwetlands
An Equal Opportunity/Affirmative Action Employer- 50% Recycled/10% Post Consumer Paper
Buncombe County:
Page 2 of 6
August 8, 2005
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 Plan Location or Reference
Approved Units
Stream 200 feet Dillingham Creek
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,
orth Carolina Sediment and Erosion Control Planning
recent version of the N
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
r
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.

Buncombe County:
Page 3 of 6
August 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. 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
- - - - covershould 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, unless authorized under Division of Land Resources
Erosion and Sediment Control approval. 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.
7. 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.
8. The channel must be restored to a more stable condition. However, under no
circumstances should river rock, sand or other materials be dredged (excavated)
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 re-establishing the natural and more
stable stream channel dimensions. Streambed materials are unstable in flowing-
Buncombe County:
Page 4 of 6
August 8, 2005
water situations and are unsuitable for bank stabilization. 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.
9. 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 are not permitted because
they block the floodplain, constrict and accelerate flood flows, and often fail or
impede drainage during large flood events.
10. 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.
11. 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.
12. Riparian Zone Replanting
Replanting of vegetation within disturbed areas located within 25 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.)Guidelines for Riparian Buffer Restoration.
(http://h2o.enr.state.nc.us/wro/odf/buffers.Ddf )
13. Monitoring
The Permittee shall examine the stabilization work done under this Certification
on an annual basis for three (3) years following the completion of the restoration
efforts. This field evaluation should note the condition and stability of the
measures installed and how well the repair is holding up. A written report must
be provided to DWQ's Asheville Regional Office by June 1St of each year. The
report must describe inspection results, include digital photographs, list the date
of inspection, and describe any needed repairs or corrections.
13.The permittee will provide on-site supervision of stability work including, but not
limited to bank re-sloping, in-stream structure placement, and riparian zone re-
establishment, by an appropriately trained individual.
s
14. If pasture along the stream is to be used for grazing, the permittee must inform the
appropriate landowners that cattle should be prohibited from damaging riparian
areas and from de-stabilizing the stream banks and channel.
Buncombe County:
_ Page 5 of 6
August 8, 2005
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.
16. Water Quality Certification Notifications
The permittee must provide a copy of this issued Water Quality Certification and
attached cover letter to each property owner where the approved work will be
performed.
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.
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.
nunw=e k-ounty:
Page 6 of 6
August 8, 2005
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,
AW K/khb
Alan W. Klimek, P.E., Director
Division of Water Quality
Enclosures: GC 3376
Certificate of Completion
Guidelines for Riparian Buffer Restoration
cc: Mike Osborne., CH2M Hill
4824 Parkway Plaza Blvd., Suite-200 - -
Charlotte, ,NC 28217
USACE Asheville Regulatory Field Office
DWQ 401/Wetlands Central Office
DLR Asheville Regional Office
File Copy
Central Files
Filename: 05-1418.EWP.DillinghamCreek.Approval
Triage Check List
Date: 07/28/05
To:
Project Name: Buncombe County EWP
Barnardsville 2005-23 & 2005-46
DWQ #:05-1418
County: Buncombe
Kevin Barnett, Asheville Regional Office

60-day Processing Time: 7/28/05 to 9/26/05
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
Offcea As we information to
is is an exp Omental, interim
Raleigh as well as the Asheville Regional
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!
FILE COPY
Office Use Only: Form Version May 2002
2 0 0 5 1 4 1 8
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 Permit from DWQ
® 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 Wetlands Restoration Program (NCWRP) is proposed for
mitigation of impacts (verify availability with NCWRP prior to submittal of PCN), complete
section VIII and check here: ?
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 here: ?
II. Applicant Information
F@1ADWIRR P
1. Owner/Applicant Information JUL 2 8 2005
Name: Jon Creighton /Assistant Coun Manager/Planning Director
BENrL, c ? R-=IAtrii
Mailing Address: 46 Valley Street MTLANDSAND STORMWATER 8RAf4rL
Asheville NC 28801
Telephone Number: 828-250-4835 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: Mike Osborne
Company Affiliation: CH2M HILL
Mailing Address: 4824 Parkway Plaza Blvd.
Suite 200
Charlotte NC 28217
Telephone Number: 704-329-0073 ext 252 Fax Number: 704-329-0141
E-mail Address: mike. osborne(a,ch2m.com
Page 1 of 11
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
included. If possible, the maps and plansisho u d
impervious surfaces, or other facilities must be n
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
size construction
however, DWQ may accept paperwork of any size. DWQ prefers size are
drawings rather than a sequential sheet version of
be informed that
illegible, the applicant Ififull-
reduced to a small scale such that the final
the project has been placed on hold until decipherable maps are provided.
1. Name of project: Barnardsville EWP 2005-23 and EWP 2005-46
2.
3. T.I.P. Project Number or State Project Number (NCDOT Only): NA
4. Property Identification Number (Tax PIN): SEE TABLE 1
Location
County: Buncombe Nearest Town: Dillingham
Subdivision name (include phase/lot number): NA
Directions to site (include road numbers, landmarks, etc.
NC-197 toward JupiterBamardsville.
From Asheville, take US-19N/US-23N to Exit 15,
Turn right onto NC-197 and proceed 6 miles to Dillingham Road. between Both sites (EWP 2005-23, EWP 2005-46) are
Creek (upstream), and Road, the ownt of
confluence of Corner Rock Creek and Dillingham
Dillingham (downstream).
The upstream site, EWP 200546, is located at the intersection of Spice Cove Drive and
Dillingham Road. EWP 2005-23 is located less than 0.5 miles downstream on the south side
of Dillingham Road.
See Attachments 1 and 2 for site vicinity and parcel locations.
g): SEE SITE DESCRIPTIONS
6. Site coordinates, if available (UTM or Lat/Lon
(Note - If project is linear, such as a road or utility line, attach a sheet that separately lists the
coordinates for each crossing of a distinct waterbody.)
Page 2 of 11
7. Nearest body of water (stream/river/sound/ocean/lake): Dillingham Creek
8. River Basin: French Broad
(Note - this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at ht!p:/lh2o.enr.state.nc.us/admin/maps/.)
Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application:
The proposed sites are in agricultural and low-density residential uses. The stream and
stream banks were heavily impacted during Tropical Storms Frances and Ivan. Extensive
stream bank erosion threatens the stability of existing structures.
9. Describe the overall project in detail, including the type of equipment to be used:
EWP 2005-23
This project area consists of approximately 100 linear feet of Dillingham Creek. The project
area is located at 35.754194°N 82.405861°W. High-water flows have threatened structures
and property including a home, outbuildings and yard. Attachment 1 contains representative
photos of the eroded area.
Repairs in this reach of stream will involve the following:
-Remove woody debris from floodplain
-Stabilize the channel in its pre-flood configuration using organic and rock structures
-Reseed and plant woody vegetation
EWP 2005-46
This project area includes approximately 100 linear feet of Dillingham Creek. The project
area is located at 35.754194°N 82.375500°W. High-water flows have threatened structures
and property including agricultural land and outbuildings. Attachment 2 contains
representative photos of the eroded area.
Repairs in this reach of stream will involve the following:
-Stabilize the channel in its pre-flood configuration using organic and rock structures
-Reseed and plant woody vegetation
The techniques that will be utilized for the proposed repairs at the EWP site listed
above are described below.
Removal of Organic Debris
Fallen trees, limbs, and non-native material within the cross section of the existing or original
channel up to and including the debris line shall be removed. Any foreign debris (e.g. trash
appliances) will also be removed. Trees leaning over the channel whose near term fall is
apparent will be removed. These rooted trees will be cut three feet above the ground surface
and the root masses will be left in place. Disturbance of channel bottom and banks and
equipment access shall be held to the minimum necessary to allow the construction
Page 3 of 11
equipment access shall be held to the minimum necessary to allow the construction
equipment to remove the debris. All areas disturbed due to debris removal and equipment
access shall be reshaped and reseeded. Access to the channel will be perpendicular to the
channel so that cutting of trees is held to a minimum with precaution taken to protect mast
production and stream canopy trees. These trees will be cut off at ground level so re-
sprouting may occur after construction. Dead trees and small brush piles that provide den
habitat and are determined to pose no hazard to the channel will be protected. Woody debris
will be chipped and disposed of in upland areas or hauled offsite.
Streambank Repair
When possible, excavation equipment will access streambank repair areas from the dry and
will not track into the stream channel. Most of the steep eroded streambanks are opposite or
adjacent to the debris removal areas. At these areas, the rocky material removed from the
floodplain will be used to stabilize the stream bank, with the addition of large boulders along
the toe of the slope as necessary to stabilize and protect the toe. Where suitable material is
available, rock vane and root wads will be installed in the restored bank section to reduce
bank stress and provide stability to the unconsolidated fill.
An existing cross section and site specific design components are included in Attachments 1
and 2 for each of the impacted channel sections requiring stabilization. Drainage areas of
project areas are also included in those attachments. The drainage area is used to determine
the design storm peak flow using USGS Rural Regression equations for the Blue Ridge-
Piedmont. Design storm velocity and shear stress values were also calculated. This
information, in conjunction with the field investigation analysis, DSR notations, and agency
guidance and regulations, are used to develop an appropriate streambank stabilization design.
Additional information on general design features, erosion control practices and debris
removal practices is included in Attachment 3.
Equipment that may be used to accomplish the above listed tasks includes; rubber tired
skidders, 15 ton dump truck, hydraulic track mounted excavator with thumb, and chainsaws.
10. Explain the purpose of the proposed work:
The work addressed in this application is intended to improve post flood hydraulic capacity
of the stream reaches discussed and stabilize severely eroded streambanks that are
threatening structures or other property. The proposed actions are not intended to enhance
existing conditions or restore stream reaches using natural channel design techniques. Such
activities would require detailed engineering evaluation and design, which are beyond the
intent of the EWP program.
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
Page 4 of I 1
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.
NA
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
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. The applicant must also
provide justification for these impacts in Section VII below. All proposed impacts, permanent
and temporary, must be listed herein, and must be clearly identifiable on an accompanying site
plan. All wetlands and waters, and all streams (intermittent and perennial) must 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:
Proposed impacts include limited streambed disturbances, debris removal, and streambank
stabilization.
2. Individually list wetland impacts below:
Wetland Impact
Site Number
indicate on ma
Type of Impact* Area of
Impact
acres Located within
I00-year Floodplain**
(es/no Distance to
Nearest Stream
linear feet)
Type of Wetland***

* List each impact separately and identify temporary impacts. 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.
Page 5 of I I
*** List a wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond,
Carolina Bay, bog, etc.) Indicate if wetland is isolated (determination of isolation to be made by USACE only).
List the total acreage (estimated) of all existing wetlands on the property: None
Total area of wetland impact proposed: NA
3. Individually list all intermittent and perennial stream impacts below:
Width
A Perennial or
Stream Impact * Length of am Name**
St verage
of Stream Before Intermittent?
Site Number Type of Impact Impact re Im act (please sif,
ndicate on ma) (linear feet)
EWP 2005-23 Streambank 100 Dillingham Creek 20ft Perennial
Stabilization

EWP 2005-46 Streambank 100 Dillingham Creek 25ft Perennial
Stabilization
• List each impact separately and identify temporary impacts. Impacts include, but are not limited to: culverts and associated rip-rap,
dams (separately list impacts due to both structure and flooding), relocation (include linear feet before and after, and net loss/gain),
stabilization activities (cement wall, rip-rap, crib wall, 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.
** Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to the nearest
downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616, or online at
www.usgs.gov. Several internet sites also allow direct download and printing of USGS maps (e.g., www.toaozone.com,
www.manquest.com, etc.).
Cumulative impacts (linear distance in feet) to all streams on site: 200
4. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.) below:
Open Water Impact
Site Number
(indicate on map)

Type of Impact* Area of
Impact
(acres)
p ble)
Name Wat
(if applicable) Type of Waterbody
(lake, pond, estuary, sound,

bay, ocean, etc.)

List each impact separately and identify temporary impacts. Impacts include, but are not limited to: fill, excavation, dredging,
flooding, drainage, bulkheads, etc.
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.): NA
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.): NA
Page 6 of 11
Size of watershed draining to pond: NA Expected pond surface area: NA
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.
When at all possible equipment will be kept out of the stream channel, stream crossings will be
minimized, and no excavation will be below the existing channel bed. When at all possible
stream material will be moved from dry areas to banks, minimizing the movement of wet (or
below water line) stream material. Creating wide, shallow channels will be avoided. Temporary
and/or permanent herbaceous vegetation shall be planted on all bare soil within 15 days of
ground disturbing activities. Rocky material shall not be used for bank stabilization above the
normal high water mark. Large rocky material will be brought in to stabilize the toe of impacted
streambanks where necessary.
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 March 9, 2000, 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 NCWRP concurrence shall be placed on hold as
incomplete. An applicant may also choose to review the current guidelines for stream restoration
Page 7 of 11
in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at
http://h2o.enr.state.ne.us/ncwetlands/strmgide.html.
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
2. Mitigation may also be made by payment into the North Carolina Wetlands Restoration
Program (NCWRP). Please note it is the applicant's responsibility to contact the NCWRP at
[phone] to determine availability and to request written approval of mitigation prior
to submittal of a PCN. For additional information regarding the application process for the
NCWRP, check the NCWRP website at http://h2o.enr.state.nc.us/wrp/index.htm. If use of
the NCWRP is proposed, please check the appropriate box on page three and provide the
following information:
Amount of stream mitigation requested (linear feet): NA
Amount of buffer mitigation requested (square feet): NA
Amount of Riparian wetland mitigation requested (acres): NA
Amount of Non-riparian wetland mitigation requested (acres): NA
Amount of Coastal wetland mitigation requested (acres): NA
IX. Environmental Documentation (required by DWQ)
Does the project involve an expenditure of public (federal/state) funds or the use of public
(federal/state) land?
Yes ® No ?
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
Page 8 of 11
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.
Will the project impact protected riparian buffers identified within 15A NCAC 213 .0233
(Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and
Water Supply Buffer Requirements), or other (please identify )?
Yes ? No ® If you answered "yes", provide the following information:
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
(square feet Multiplier Required
Mitigation
1 3
2 1.5
Total
* Zone 1 extends out 30 feet perpendicular from 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 type of mitigation is proposed (i.e., Donation
of Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or
Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as
identified within 15A NCAC 2B .0242 or .0260.
Page 9 of 11
XI. Stormwater (required by DWQ)
Describe impervious acreage (both 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.
Imperviousness will not change.
Erosion and sedimentation prevention and control will be maintained throughout this project
primarily through: proper water management, construction sequencing, proper staging and
stockpiling of materials, and the maintenance, at all times, of suitable channel capacity for
expected flow events. Equipment, fuels, lubricants, or other potential sources of water pollution
will not be stored in areas that could be flooded during this project.
XH. 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.
Portable facilities shall be provided at the work site.
XIII. Violations (required by DWQ)
Is this site in violation of DWQ Wetland Rules (I 5A NCAC 2H .0500) or any Buffer Rules?
Yes ? No
Is this an after-the=fact permit application?
Yes ? No
NW. 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).
NA
/P -.3 03
Applicant/Agent's natur Date
------------
(Agent's signature is valid only if an authorization letter from the applicant is provided
Page 10 of 11

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Attachment 1- DSR 23
la. Vicinity Map
lb. Site Map
lc. Site Photos
ld. Cross Section and Site Specific Design Page
1 e. Drainage Areas
Access Agreements

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~ l 780 ? 2BDG
N Bamardsville, N.C. USGS Quad Buncombe County Stream Assessment
A Bamardsville Watershed
Soo 0 500 Feet DSR-23
® Paul Buckner

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his Map Was Created By Burrccmbe County NC , 1196
CH2MHILL

Attachment 2b
DSR 46 - Dillingham Creek Watershed
Buncombe County, NC
Walter Dillingham Parcel 3755
Walter Dillingham
DSR Site 46

.10

Attachment 1d
DSR 23 - Dillingham Creek Watershed
Buncombe County, NC
Paul Buckner cross section 1
160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0
' I
i
_� .... __ _k.__ 5.b0 r� of Bank .,,
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Width (feet)

Attachment 1d
DSR 23 - Dillingham Creek Watershed
Buncombe County, NC
Paul Buckner cross section 3
160 150 140 130 12?0- 110 100 90 80 70 60 50 40 30 20 10 0
a 2
3
_ w. .. _ - 5
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ank Left Bank `.'
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_ _ __ _. a.. _._. .. 16
17
Width (feet)
i Buncombe Co., Ivy Watershed -Dillingham Creek, DSR 23
Design Parameters
i
Apply to Site
x
X
X
X
X
X
X
X
X
X
X
X
X
Figure Title
1 BANK STABILIZATION TYPICAL SECTION
2 BANK STABILIZATION WITH ROCK TOE TYPICAL SECTION
3 STREAM CHANNEL BENCH TYPICAL SECTION
4 TYPICAL J HOOK DETAIL
5 TYPICAL CROSS VANE DETAIL
6 SUGGESTED VEGETATION LIST
7 STABILIZATION PLANTING PLAN
8 BENCH PLANTING PLAN
9 LIVE STAKE DETAIL
10 DEAD STOUT STAKE DETAIL
11 EC FABRIC INSTALLATION DETAIL
12 EC FABRIC ANCHOR DETAIL
13 STABILIZATION CONSTRUCTION ENTRANCE DETAIL
14 TEMPORARY SILT FENCE DETAIL
15 TEMPORARY STREAM CROSSING DETAIL
16 LAND QUALITY STOCK PILE LAYOUT
17 LAND QUALITY STREAM CROSSING LAYOUT
18 LAND QUALITY DEBRIS REMOVAL LAYOUT
Notes and/or Measurements
50 LF on right Bank; A=3.0 ft;
See Note 1
EC fabric = 4.5 Ib/ft2
AJL
5/30/2005
Note 1: Place rock toe (1.5:1 slope) at right edge of water (base flow) to A=3.0, then continue slope 1.5:1 to top of bank
Do Not cut Rhododendron at downstream end of DSR

N
A
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Attachment le
DSR-23
Paul Buckner
CH2MHILL Bumcombe County, NC
Drainage Area Map

D
Sign e
PERMIT FOR EMERGENCY WATERSHED PROT&TION (EWP)
The undersigned landowners hereby grant permission to. Buncombe County and the Buncombe
County _Soil and Water Conservation District and/or their agents to enter upon our land for the
purpose of repairing the flood damage of stream channels and stream banks in the
?'??. e4d, watershed.
This permit includes the right to spread soil, remove and dispose of debris, install needed
measures, seed and mulch, and perform similar emergency watershed protection work
necessitated by the floods of September, 2004.
This permit also includes the right of ingress and egress on the land for the purpose of
maintaining or inspecting maintenance of the emergency works for the period of 1 year from the
date of completion. Work areas covered by this permit are sketched on the reverse of this form
or on an attached sheet.
Signed
Date

( )- ? j 9" 0 r? ?
Date
Attachment 2 - DSR 46
2a. Vicinity Map
2b. Site Map
2c. Site Photos
2d. Cross Section and Site Specific Design Page
2e. Drainage Areas
Access Agreements
' ?? ?•,?'`-^? ? ? ?.:.'? `?,../yo ._ ' ' ?'"? ? tom:,/'.'"'
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DSR-46
26
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1''11ER[?R-GEOL'PG7GA1_ 541 VEY, RES O . ViRGI I 1979/11-1 T
3 ?O/tl.
Bamardsviile, N.C. uscs Quad Buncombe County Stream Assessment
A Bamardsville Watershed
soo o soo Feet DSR-46
® Walter Dillingham
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1G3[I
CH2MHILL
Attachment 2b
DSR 46 - Dillingham Creek Watershed
Buncombe County, NC
Walter Dillingham Parcel 3755
Walter Dillingham
DSR Site 46

Attachment 1d
DSR 46 - Dillingham Creek Watershed
Buncombe County, NC
Walter Dillingham cross section 1
160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0
_-
i

' Pight Top
12.20 of Bank
1.71
1.71

2.071
{ _._ ?_? _.._... 2.30 2
00 R
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3
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381 4

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Width (feet)
Attachment 2d
DSR 46 - Dillingham Creek Watershed
Buncombe County, NC
Walter Dillingham cross section 2
160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0

-------------

Right Top,

of Bank.
3.50-' 2

3

7
t ( ` I
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12

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o 13

i 14
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17
Width (feet)
Attachment Id
DSR 46 - Dillingham Creek Watershed
Buncombe County, NC
Walter Dillingham cross section 3
160 150 140 130 120 110 100 90 80 70 60 So 40 30 20 10 0

. _..___.__ iw ...... ......... Y..?_.._...._... ?._............
t i
Left
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{
16
.? ......................... _...... .__...__., 3
17
Width (feet)
Buncombe Co., Ivy Watershed - Dillingham Creek, DSR 46
Design Parameters
Apply to Site
x
X
X
X
X
X
X
X
X
X
X
X
X
Figure Title
1 BANK STABILIZATION TYPICAL SECTION
Notes and/or Measurements
AJL
5/30/2005
2 BANK STABILIZATION WITH ROCK TOE TYPICAL SECTION 100 LF of right bank; A=3.0 ft; See Note 1
3 STREAM CHANNEL BENCH TYPICAL SECTION
4 TYPICAL J HOOK DETAIL
5 TYPICAL CROSS VANE DETAIL 2 structures; W = 50 FT.
6 SUGGESTED VEGETATION LIST
7 STABILIZATION PLANTING PLAN
8 BENCH PLANTING PLAN
9 LIVE STAKE DETAIL
10 DEAD STOUT STAKE DETAIL
11 EC FABRIC INSTALLATION DETAIL EC fabric = 4.5 Ib/fe
12 EC FABRIC ANCHOR DETAIL
13 STABILIZATION CONSTRUCTION ENTRANCE DETAIL
14 TEMPORARY SILT FENCE DETAIL
15 TEMPORARY STREAM CROSSING DETAIL .......
16 LAND QUALITY STOCK PILE LAYOUT
some
17 LAND QUALITY STREAM CROSSING LAYOUT
18 LAND QUALITY DEBRIS REMOVAL LAYOUT
Note 1: Backf ill 100 LF from rock toe to top of bank at bridge; Do Not cut, fill only SEAL
27914

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.

PERMIT FOR EMERGENCY WATERSHED PROTECTION (EWP)
The undersigned landowners hereby grant permission to Buncombe County and the Buncombe
County Soil and Water Conservation District and/or their agents to enter upon our land for the
purpose of repairing the flood damage of stream channels and stream banks in the
watershed.
This permit includes the right to spread soil, remove and dispose of debris, install needed
measures, seed and mulch, and perform similar emergency watershed protection work
necessitated by the floods of September, 2004.
This permit also includes the right of ingress and egress on the land for the purpose of
maintaining or inspecting maintenance of the emergency works for the period of 1 year from the
date of completion. Work areas covered by this permit are sketched on the reverse of this form
or on an attached sheet.
Si ned
Date
Si ned
Date
?a
Attachment 3
General Design Notes
Typical Design Drawings
Debris Removal SOP
General Notes
The Contractor shall make his own determination of the
existing subsurface conditions. In areas where proposed
construction may conflict with existing utilities, the Contractor
shall take all necessary precautions to avoid damage to the
utilities. Notify and locate all impacted utilities at least 48
hours prior to excavation. Any damage sustained to utilities
shall be repaired by or under the direction of the utility owner
at the Contractor's expense.
All existing facilities, including but not limited to sidewalks,
roads, lawns, landscape vegetation, etc., inside and outside of
construction limits that are disturbed under this contract shall
be reestablished and/or reconstructed to the original condition
at the Contractor's expense.
Construction Sequence
1. Begin work at the upstream end of the project reach.
2. Construct proposed structures according to the plans and
specifications.
3. Grade stream banks to proposed grade, and tie into
existing banks upstream and downstream.
4. Overbank areas (beyond top of bank) adjacent to the
project reach shall be graded for positive drainage toward
the stream.
5. Apply temporary stabilization to the disturbed areas at the
end of each work day.
6. Repeat steps 1 through 5 for each segment of the project
reach, working downstream.
Site Stabilization
1. Conduct soil test to confirm necessary lime and fertilizer
amendments. Appropriate lime and fertilizer shall be
applied prior to seeding and incorporated to a depth 3 to 5
inches below the surface.
2. Temporary stabilization will be applied to all disturbed
areas on a daily basis. Areas shall be seeded with rye
grass at a rate of 15 lbs./ac. and long straw or hay
mulched. Straw shall consist of thoroughly threshed wheat,
rye or oat straw, reasonably bright in color, and shall not
be musty, moldy, caked, decayed, or excessively dusty
and shall be free of noxious weed seeds.
3. Permanent soil stabilization shall be completed within 7
calendar days of initial soil disturbance or re-disturbance.
Planting and seeding shall be incorporated into the subsoil
at the rates prescribed on Figures 6, 7, and 8. Contractor
shall follow NCDWQ Guidelines for Riparian Restoration,
http://h2o.enr.state.nc.us/wrp/pdf/buffers.pdf
4. All earth fill in excess of 1 ft depth should be installed in
lifts of maximum 6-inches and mechanically compacted.
5. All rock used for bank stabilization and in-stream structures
shall be 3 ft to 4 ft angular rock.
6. Erosion Control (EC) Fabric shall be woven coir mat,
secured with dead stout stakes, and shall meet the
following standards:
50% open area (maximum)
0.5 inch maximum opening size
4.5 lbs. per sq. foot maximum sheer stress
10 fps minimum velocity
CLTIGENERAL NOTES_NF.DOC
USE OR DISCLOSURE OF DATA CONTAINED ON THIS SHEET IS SUBJECT TO
THE RESTRICTION ON THE TITLE PAGE OF THIS PROPOSAL.
7. Filter fabric shall be Amoco Propex 2002 woven geotextile
or equivalent. Cut excess filter fabric so no fabric is visible
after installation.
8. Seeded areas not specified for coir fabric, shall be
mulched with long straw or hay mulch immediately after
seeding areas at a rate of 2 tons/acre (uniform loose depth
of 1" to 2"). Straw shall consist of thoroughly threshed
wheat, rye or oat straw, reasonably bright in color, and
shall not be musty, moldy, caked, decayed, or excessively
dusty and shall be free of noxious weed seeds. Mulch
shall be secured with biodegradable netting (Robex Super
Flow or Equal).
9. The Contractor shall be responsible for maintaining seeded
areas until 95% vegetative cover is established. Should
any seeded area fail to germinate, or washing of any areas
occur requiring re-establishment of seeding, the Contractor
shall replace any lost soil material and re-seed and
re-mulch such areas at Contractor's expense.
Standard Erosion and Sediment Control Notes
1. The Contractor shall protect all points of construction
ingress and egress by installing a temporary construction
entrance as shown in details to prevent the deposition of
materials onto public roads. All materials deposited onto
public roads shall be removed immediately.
2. The Contractor shall re-vegetate or restore access roads
(including construction entrance) to match pre-construction
conditions.
3. The Contractor shall inspect daily and maintain
continuously in an effective operating condition all erosion
and sediment control measures until such times as they
are removed with prior permission from Engineer or
agency inspector.
4. The Contractor shall protect trees and landscaping not
marked for disposal from damage. Any damage that
occurs shall be repaired at the Contractor's expense.
5. Fencing shall be maintained for animal containment. The
Contractor shall provide temporary fencing to allow for
execution of the work. The Contractor shall keep
construction equipment away from livestock and take all
precautions to prevent injury to animals.
CLT/GENERAL NOTES NF.DOC
USE OR DISCLOSURE OF DATA CONTAINED ON THIS SHEET IS SUBJECT TO
THE RESTRICTION ON THE TITLE PAGE OF THIS PROPOSAL.
NC Rural Mountain and Piedmont Regional Curves (Buncombe County)
DSR Watershed Area (sq. mi.) Bankfull Discharge (cfs) Bankfull X-Sec. Area (sq. ft.) Bankfull Width (ft) Bankfull Depth (ft)
62 25.99 942.6 191.2 53.1 3.6
63 25.99 942.6 191.2 53.1 3.6
66A 23.89 885.6 180.6 51.2 3.5
66B 23.97 887.8 181.0 51.3 3.5
66C 27.05 970.9 196.5 54.0 3.6
67 23.97 887.8 181.0 51.3 .3.5
34 2.14 148.6 35.0 18.6 1.9
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
x x 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
XX 0 0.0 0.0 0.0 0.0
1000.0
100.0
L
to
45b
cn LL
x a
U)
? v
.1
00 10.0
1.0
NC Dural Mountain & Piedmont Regional Curve`

.10

, _.
1100

3 O ,

3

? b
Z
0.I
= 20.87x°."" t} 5 ?_L2
R2 = 0.96
1U 100 1000
Watershed Area (Sq. Mi.)
*Excludes high rainfall areas in NC mountains.
2/3/2005
NRCS, NCDSWC, NCSU
NC Dural Mountain +& Piedmont Regional Curve*
1000-
'100
son"
? z2
10
M
Z. 3
0.1 1 10 100 1000
y = 13.51x 0.42 = 2 V:. Watershed Area (sq. mi.)
R2 _ 0.91 *Excludes high rainfall areas in NC mountains
NRCS, NCDSWC, NCSU
NC Rural Mountain & Piedmont Regional Curve*
10.0
a?
-
.00
.00 00
"000 000
22 1.0 Z s
0.1 1 10 100 1000
y = 1.54x0.26 = 2,05 ?k Watershed Area (sq.mi.)
R2 _ 0.80 *Excludes high rainfall areas in NC mountains.
NRCS, NCDSW.C, NCSU
NC Rural Mountain & Piedmont Regional Curve*
10000
1000
10-1
40-
V
100
Cfif
U
N
1
10
0.1
y= 84.60xo.74 C `c jD:7 4 4s
R2 = 0.93
1 10 100 1000
Watershed Area (sq. mi.)
*Excludes high rainfall areas in NC mountains.
213/2005 NRCS, NCDSWC, NCSU
Stream
Name Gage
Station
ID Drainage
Area
(m12) Stream
Type
(Rosgen) Bankfull
Discharge
(cfs) Bankfull
Xsec Area
(Et2) Bankfull
Width
(ft) Bankfull
Mean Depth
(ft) Water Surface
Slope
(ft/ft) Return
Interval
(Years) Exceedence
Probability
(%
Sal's Branch Ref. Reach 0.2 E4 55.4 10.4 8.7 1.2 0.0109 n/a n/a
Humpy Creek 02117030 1.05 E5 83 15.8 12.0 1.3 0.0060 1.7 59
Long Hope Branch Ref. Reach 2.2 C4 107 27 16.6 1.6 0.0009 n/a n/a
Dutchmans 02123567 3.44 C5 85.1 45.6 23.5 1.9 0.0170 1 100
Mill Creek Ref. Reach 4.7 E4 277 46.7 24.5 1.9 0.0080 n/a n/a
Bee Tree Ref. Reach 5.46 B3 231.5 56 32.1 1.7 INCOMPLETE n/a n/a
Upper Mitchell River Ref. Reach 6.0 B4c 356 62.5 29.2 2.1 0.0095 n/a n/a
Norwood Creek 0214253830 7.18 E5 253.7 9818 32.0 3.1 0.0008 1.1 91
North pott's Creek 02121180 9.6 ES 507.2 89.6 25.4 3.5 0.0012 1.7 59
N.F. Swannanoa River 14.5 C3 855.7 170.6 69.3 2.5 INCOMPLETE n/a n/a
Tick Creek 02101800 15.5 E 655.3 194 40.5 4.8 0.0005 1.3 77
Yadkin River 02111000 28.8 C4/1 964 194.8 57.0 3.4 0.003 1.4 71
Moon Creek 02075160 29.9 E5 708.8 162 33 4.9 0.0015 1.8 56
Long Creek 02144000 31.8 E5 1041 195 40 4.9 0.001 1.4 71
Little Yadkin River 02114450 42.8 G5 2236 469 77.5 6.0 0.0018 1.4 71
Mills River 3446000 66.7 C4 2263 333 74.3 4.5 0.0035 1.5 66
Mitchell River 02112360 78.8 C 2681 377 77 4.9 0.003 1.6 63
Watauga River 3479000 92.1 B4c 3492 572 140.3 4.1 0.0033 1.3 80
Big Laurel 3454000 126 B4 2763 406 110.8 3.7 0.0045 1.6 63
Fisher River 02113000 128 C3 3687 578 101 5.7 0.0023 1.4 71
Dan River 02068500 129 B4/1c 3064 441.8 94 4.7 0.0020 1.5 67
South Fork New River 03161000 205 B4/1c 3220 847.2 152.5 5.6 0.0004 1.3 77
Table 1: Hydraulic geometry, survey summary, and flood frequency analyses for gaged and ungaged stream reaches.
NRCS, NCDSWC, NCSU
EXISTING TOP OF BANK
PROPOSED GRADE
BASE FLOW
NOTE:
HEIGHT "A" IS MEASURED
FROM DEEPEST POINT IN
CHANNEL CROSS-SECTION
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 5/2005
TITLE
FIGURE
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
BANK STABILIZATION
TYPICAL SECTION
N TS
1
EXISTING STREAMBED
EXISTING TOP OF BANK
PROPOSED GRADE
NOTES:
1. HEIGHT "A" IS MEASURED FROM
DEEPEST POINT IN CHANNEL
CROSS-SECTION.
2. FILTER FABRIC SHALL BE AMOCO PROPEX 2002
WOVEN GEOTEXTILE OR EQUIVALENT.
LAY FILTER FABRIC UNDER TRENCH ROCK
AND UP BEHIND ROCKS. CUT EXCESS
FILTER FABRIC SO NO FABRIC IS VISIBLE
AFTER INSTALLATION. BACKFILL WITH WELL-DRAINING
SOIL (USE NATIVE MATERIAL WHENEVER POSSIBLE).
MIN. OVERLAP OF COIR OVER FILTER FABRIC OF 12".
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 5/2005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
2' MIN. OF
EXPOSED
ROCK
ROCK TOE
2' MIN. OF ROCK
EMBEDDED IN BANK
l
1
BASE FLOW A
r.7 Li
1
2
EXISTING STREAMBED
TITLE
BANK STABILIZATION
WITH ROCK TOE
TYPICAL SECTION
N TS
FIGURE
z
11
LL 3 MIN.
(NOT STEEPER)
EC FABRIC
SEE FIGURE 7
FILTER FABRIC
KEY IN ROCK TOE
ONE ROCK DIAMETER
4' MIN.
EXISTING TOP OF BANK EXISTING GRADE
Y °
PROPOSED GRADE 1 '
3 MIN.
(NOT STEEPER)
EC FABRIC I ;
SEE FIGURE 7 GRADE TO DRAIN
(1% MAX.) i
I FILL
STREAM CHANNEL BENCH \
NOTES:
1. HEIGHT "A" IS MEASURED FROM
DEEPEST POINT IN CHANNEL
CROSS-SECTION.
2. FILTER FABRIC SHALL BE AMOCO PROPEX 2002
WOVEN GEOTEXTILE OR EQUIVALENT.
LAY FILTER FABRIC UNDER TRENCH ROCK
AND UP BEHIND ROCKS. CUT EXCESS
FILTER FABRIC SO NO FABRIC IS VISIBLE
AFTER INSTALLATION. BACKFILL WITH WELL-DRAINING
SOIL (USE NATIVE MATERIAL WHENEVER POSSIBLE).
MIN. OVERLAP OF COIR OVER FILTER FABRIC OF 12".
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 5/2005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
EXISTING STREAMBED
FILTER FABRIC
KEY IN ROCK TOE
ONE ROCK DIAMETER
4' MIN.
TITLE
2
71
STREAM CHANNEL
BENCH
TYPICAL SECTION
N TS
T
BASE FLOW A
'x_ I
FIGURE
3
FLOW G
DIRECTION ?(\
. S1 3?
BOULDERS
GAPS
(1/4-1/3 ROCK DIA.)
BANKFULL ELEVATION
O
W
BOULDER
FLOW
DIRECTION
._._.-.
1.8. it,. 2-7% - -
SCOUR
FOOTER -J
CHANNEL BED
NOTES: PROFILE VIEW
1. BOULDER SIZE IS 4- MINIMUM OR AS
SPECIFIED ON PLANS.
2. WRAP FILTER FABRIC AROUND FOOTER STONES
AND BACKFILL WITH TYPE 3 RIPRAP OR EQUIVALENT
(ON SITE COBBLE WHEN AVAILABLE).
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 5/2005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
/I
I
PLAN VIEW
SOURCE: APPLIED ECOLOGICAL SERVICES, INC
TITLE FIGURE
TYPICAL J HOOK DETAIL
4
NOT TO SCALE
CROSS SECTION VIEW vv
FLOW
J DIRECTION J
a ? a
m m
CROSS SECTION VIEW I I 20'
z
BOULDERS
BANKFULL ELEVATION
?!? i ?f `{?l I I
2l3 W S
1 ?i TRENCHED IN 3' MIN.
/? AND COVERED
1
FLOW 0cw
DIRECTION
BOULDERS CHANNEL BED
nrk
SILL MUST BE TIED IN TO
BANKFULL ELEVATION
SCOUR POOL
PLAN VIEW
NOTES:
1. BOULDER SIZE IS 4' MINIMUM OR AS
SPECIFIED ON PLANS.
PROFILE VIEW
2. WRAP FILTER FABRIC AROUND FOOTER STONES
AND BACKFILL WITH TYPE 3 RIPRAP OR EQUIVALENT
(ON SITE COBBLE WHEN AVAILABLE).
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 512005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
TITLE
SOURCE: APPLIED ECOLOGICAL SERVICES, INC
FIGURE
TYPICAL CROSS VANE
DETAIL 5
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I
, ! j
{ I I i
I !
j
' C
3 w n
j y Oy
O
_
° I s s i i I _ " 3 X
c
n
APPROX.
WIDTH OF CHANNEL
T3'
1
LIVE STAKE ZONE
TO EDGE OF WATER
PLANTING WIDTH WILL VARY TO
LANDOWNER COMPLIANCE AND
PROJECT SPECIFICATIONS.
EXISTING ELEVATION
ZONE I ZONE 2
SYMBOL HERBACEOUS SEEDING DESCRIPTION SYMBOL WOODY VEGETATION DESCRIPTION

-TO BE SEEDED IMMEDIATELY WITH TEMPORARY RYE GRASS NATIVE TREE AND SHRUB SPECIES TO BE PLANTED AT
A DENSITY OF 436 TREES/ACRE, WHICH IS
AT 15 LBS/ACRE SEEDING RATE. SUFFICIENT TO PROVIDE 320 TREES/ACRE
-FOLLOWING CONSTRUCTION, AREA TO BE SEEDED WITH
A NATI
E
PE
/ AT MATURITY. FOLLOW NCDWO GUIDELINES
FOR RIPARIAN BUFFER RESTORATION
V
,
RMANENT GRASS
HERB MIXTURE AT
15-20 LOS/ACRE SEEDING RATE .
-SHRUB SPECIES INCLUDE BUT ARE NOT LIMITED TO:
.
-HERB/GRASS SPECIES INCLUDE BUT ARE NOT LIMITED TO Alnus serratula, Cephalanthus occldentalis,
:
Agrosds alba
Carex s
Dact
lls
lomerate Cornus stricta, Rhododendron maximum, salix
,
pp.,
y
g
,
Pankum app., Pennisetum glaucum, Seca/e cereale, serecla, Sambucus canadensis, etc.
ETC. -TREE SPECIES INCLUDE BUT ARE NOT LIMITED TO:
LIVE STAKES TO INCLUDE Cornus spp. and Acer spp., Betula spp., Fraxinus spp., Juglands
Salix serica Allgra, Liriodendron Tullplibra., Pinus sirobus.,
LIVE STAKES SPACED ON 2' CENTERS Piatanus occidentalis., Robinle Pseudoacac/a., etc.
-TO BE SEEDED IMMEDIATELY WITH TEMPORARY RYE GRASS.
-FOLLOWING CONSTRUCTION, AREA TO BE SEEDED WITH
A NATIVE, PERMANENT GRASS/HERB MIXTURE AT
15-20 LBS/ACRE SEEDING RATE.
AT LEAST 3 SPECIES OF TREES AND 5 SPECIES OF
SHRUBS SHOULD BE USED.
?NnTFC•
-TREE/SHRUB/GRASS SPECIES LISTED ARE SUBJECT TO CHANGE DUE TO AVAILABILITY FROM LOCAL NURSERIES AND
FORESTRY SUPPLY STATIONS.
SUBSTITUTION MUST BE APPROVED BY ENGINEER.
SOURCE: ALTAMONT ENVIRONMENTAL, INC.
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 5/2005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
TITLE
ZONE 2
ZONE 1
3'
EXISTING STREAMBED
STABILIZATION
PLANTING PLAN
FIGURE

APPROX.
WIDTH OF CHANNEL
3'
T
LIVE STAKE ZONE
TO EDGE OF WATER
PLANTING WIDTH WILL VARY TO
LANDOWNER COMPLIANCE AND
PROJECT SPECIFICATIONS.
ZONE I ZONE 2
SYMBOL HERBACEOUS SEEDING DESCRIPTION SYMBOL WOODY VEGETATION DESCRIPTION
NATIVE TREE AND SHRUB SPECIES TO BE PLANTED AT
-TO BE SEEDED IMMEDIATELY WITH TEMPORARY RYE GRASS A DENSITY OF 436 TREES/ACRE, WHICH
AT 15 LBS/ACRE SEEDING RATE. SUFFICIENT TO PROVIDE 320 TREES/ACRE
-FOLLOWING CONSTRUCTION, AREA TO BE SEEDED WITH
A NA
E
M
N
/ AT MATURITY. FOLLOW NCDWQ GUIDELINES
FOR RIPARIAN BUFFER RESTORATION
, PER
TIV
A
ENT GRASS
HERB MIXTURE AT
15-20 LBS/ACRE SEEDING RATE .
-SHRUB SPECIES INCLUDE BUT ARE NOT LIMITED TO:
.
-HERB/GRASS SPECIES INCLUDE BUT ARE NOT LIMITED TO Alnus serratu/a, Cephalanthus occidentalls,
:
Agrosds alba
Camx spp
Dact
lls
lomerata Comus strlcte, Rhododendron maximum, sallx
,
.,
y
g
,
Panicum spp., Pennisetum glaucum, Secale coma/e, serecla, Sambucus cansdensls, etc.
ETC. -TREE SPECIES INCLUDE BUT ARE NOT LIMITED TO:
LIVE STAKES TO INCLUDE COmns spp. and Acerspp., Betula app., Fraxinus spp., Juglands
Sallx sedca Nigra, Llriodendron Tulipifera., Pinus strobus.,
LIVE STAKES SPACED ON 2' CENTERS P/atanus occidentalls., Rob/nla Pseudoacacla., etc.
-TO BE SEEDED IMMEDIATELY WITH TEMPORARY RYE GRASS.
-FOLLOWING CONSTRUCTION, AREA TO BE SEEDED WITH
A NATIVE, PERMANENT GRASS/HERB MIXTURE AT
15-20 LBS/ACRE SEEDING RATE.
AT LEAST 3 SPECIES OF TREES AND 5 SPECIES OF
SHRUBS SHOULD BE USED.
* NOTES:
-TREE/SHRUB/GRASS SPECIES LISTED ARE SUBJECT TO CHANGE DUE TO AVAILABILITY FROM LOCAL NURSERIES AND
FORESTRY SUPPLY STATIONS.
- PLANT ZONE I TO EDGE OF WATER
- SUBTITUTION MUST BE APPROVED BY ENGINEER
SOURCE: ALTAMONT ENVIRONMENTAL, INC.
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 5/2005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
SEFLOW
EXISTING STREAMBED J
TITLE I FIGURE
BENCH
PLANTING PLAN I 8
EC FABRIC
2' MAX
SPACING
O
0??1
0 ;, .
30" LIVE CUTTING
(DORMANT) - TYP
DEAD STOUT STAKE
TYP, SEE FIGURE 10
NOTE:
INSTALL LIVE STAKE SO
Z/3 LENGTH IS (MIN. 20")
BELOW GROUND
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 5/2005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
NTS
ESTABLISHED PLANT SHOWN
FOR INFORMATION ONLY
GROUND
TITLE
LIVE STAKE DETAIL
FIGURE
9

NOTES:
18" STANDARD (30" IF
USED AT TOE OF SLOPE)
4. INSTALL EC FABRIC PER MANUFACTURER'S
INSTRUCTIONS.
1. DEAD STOUT STAKES SHALL BE FASHIONED FROM
UNTREATED 2" BY 4" (NOMINAL) BOARDS.
2. DEAD STOUT STAKES TO BE USED IN LIEU OF METAL
OR OTHER STAPLES OR FASTENERS FOR SECURING
EC FABRIC IN PLACE.
3. THE CONTRACTOR MAY USE "ECO-STAKE" 12" LENGTH
OR APPROVED EQUAL IN LIEU OF DEAD STOUT STAKES
FOR INSTALLATION IN THE CENTER OF THE EC FABRIC
"FIELD".
-?{ ? 1/8"-1/4"
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 5/2005
TITLE
FIGURE
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
DEAD STOUT STAKE
DETAIL
NTS
10
SOIL BIOENGINEERING
E
DEAD STCU
TIE TO TYPICAL SECTION
NOTES:
1. INSTALL ON ALL CUT AND FILL SLOPES
AND NEAR BANK DISTURBED AREAS.
2. INSTALL PER MANUFACTURER'S
INSTRUCTIONS.
3. EC FABRIC SHALL BE WOVEN COIR
MAT WITH 50% OPEN AREA (max.), 0.5 INCH
MAX. OPENING SIZE, 4.5 ibs/sq. ft. MAX.
SHEER STRESS, 10 fps MIN. VELOCITY.
OFBANK ANCkR,TYP
SEE FIGURE 12
JND, TYP
P.
DRAWN: GMH I TITLE I FIGURE
PROJ. MANAGER: JMO
DATE: 5/2005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
EC FABRIC INSTALLATION
DETAIL 11
NTS
FACADINRCS1Cad-Details\Fig11.dwg, 05/12/2005 03:52:00 PM, PDF995 (temporary).pc3
OF BANK
EC FABRIC
BASE FLOW
DEAD STOUT STAKE
SEE FIGURE 10
MAT WRAPS OVER
TOP OF STAKE Q TOE
TOP OF BANK ANCHOR
NOTES:
1. CLEAN SOIL BACKFILL SHALL BE USED TO SECURE DEAD STOUT STAKES AND
FABRIC INTO THE SOIL
2. FOR TOE OF SLOPE APPLICATIONS, FABRIC SHALL BE INSTALLED AS TO
OVERLAP TRENCH & DEAD STOUT STAKE TO POSITION THE FABRIC FOR
INSTALLATION UP THE BANKS.
3. START INSTALLATION OF EC FABRIC AT TOE OF SLOPE. WRAP FABRIC
OVER TOE OF BANK ANCHOR AND PROCEED UP THE BANK TO THE
TOP OF BANK ANCHOR.
4. FOR END OF GRADING APPLICATIONS, FABRIC SHALL BE INSTALLED
PERPENDICULAR TO BANK AND ANCHORED PER TOP OF BANK DETAIL,
WITH THE EXCEPTION THAT FABRIC DOES NOT EXTEND OUTSIDE OF
TRENCH & FABRIC IS NOT EXPOSED.
TOE OF BANK ANCHOR
DRAWN: GMH I TITLE I FIGURE
PROJ. MANAGER: JMO
DATE: 5/2005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
NTS
EC FABRIC ANCHOR
DETAIL 12
50' MIN.
PUBLIC STREET
EXISTING GROUND z
ro
SOIL STABILIZATION FABRIC
UNDER 2•-3' WASHED STONE
50' MIN.*
W
• OR AS SPECIFIED Z Df
ON PLAN SHEETS
U
J
m

a
NOTES:
1. A STABILIZED ENTRANCE PAD OF 2"- 3' WASHED STONE OR RAILROAD BALLAST SHALL BE LOCATED WHERE TRAFFIC WILL
ENTER OR LEAVE THE CONSTRUCTION SITE ONTO A PUBLIC STREET.
2. FILTER FABRIC OR COMPACTED CRUSHER RUN STONE MAY BE USED AS A BASE FOR THE CONSTRUCTION ENTRANCE.
3. THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOWING OF SEDIMENT ONTO
PUBLIC STREETS OR EXISTING PAVEMENT. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL STONE AS
CONDITIONS WARRANT AND REPAIR OR CLEANOUT OF ANY MEASURES USED TO TRAP SEDIMENT.
4. ANY SEDIMENT SPILLED, DROPPED, WASHED OR TRACKED ONTO PUBLIC STREETS MUST BE REMOVED IMMEDIATELY.
5. WHEN APPROPRIATE, WHEELS MUST BE CLEANED TO REMOVE SEDIMENT PRIOR TO ENTERING A PUBLIC STREET. WHEN
WASHING IS REQUIRED, IT SHALL BE DONE IN AN AREA STABILIZED WITH CRUSHED STONE.
DRAWN: GMH TITLE FIGURE
PROJ. MANAGER: JMO
DATE: 5/2005
STABILIZED CONSTRUCTION

CH2MHILL ENTRANCE DETAIL

4824 PARKWAY PLAZA BOULEVARD 13
SUITE 200
CHARLOTTE, NC 28217 N.T.S.
A
B
STEEL POST I B" MAX.
WIRE FENCING
WOVEN FILTER FABRIC

S';

i n
-
IZ7 .
STEEL POST
-
WIRE FENCING
FILTER FABRIC
' I I
I_
o z i
N
A
B
ANCHOR SKIRT 6" MINIMUM
IN LIEU OF BURYING SKIRT, 6" OF
#5 WASHED STONE MAY BE USED
OVER TURNDOWN. SEE SECTION B-B.
SECTION A-A
STEEL POST
WIRE FENCING
FILTER FABRIC
#5 WASHED STONE
GENERAL NOTES:
1. FILTER FABRIC FENCE SHALL BE A MINIMUM OF 32" IN WIDTH AND
SHALL HAVE A MINIMUM OF 6 LINE WIRES WITH 12" STAY SPACING.
2. WOVEN FILTER FABRIC BE USED WHERE SILT FENCE IS TO REMAIN
FOR A PERIOD OF MORE THAN 14 DAYS.
3. STEEL POSTS SHALL BE 5'-0" IN HEIGHT AND BE OF THE
SELF-FASTENER ANGLE STEEL TYPE.
4. WIRE FENCING SHALL BE AT LEAST #10 GAGE WITH A MINIMUM OF
6 LINE WIRES WITH 12" STAY SPACING.
5. TURN SILT FENCE UP SLOPE AT ENDS.
6. WIRE MESH SHALL BE MIN. 13 GAGE WITH MAXIMUM 12" OPENINGS.
7. WIRE AND WASHED STONE WILL BE REQUIRED WHEN:
AT TOE OF SLOPES GREATER THAN 10 FEET VERTICAL (2:1 SLOPE)
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 5/2005
MAINTENANCE NOTES:
1. FILTER BARRIERS SHALL BE INSPECTED BY THE FINANCIALLY
RESPONSIBLE PARTY OR HIS AGENT IMMEDIATELY AFTER EACH
RAINFALL AND AT LEAST DAILY DURING PROLONGED RAINFALL.
ANY REPAIRS NEEDED SHALL BE MADE IMMEDIATELY.
2. SHOULD THE FABRIC DECOMPOSE OR BECOME INEFFECTIVE PRIOR TO THE END
OF THE EXPECTED USABLE LIFE AND THE BARRIER STILL IS NECESSARY, THE
FABRIC SHALL BE REPLACED PROMPTLY.
3. SEDIMENT DEPOSITS SHOULD BE REMOVED WHEN DEPOSITS REACH APPROX.
HALF THE HEIGHT OF THE BARRIER. ANY SEDIMENT DEPOSITS REMAINING IN
PLACE AFTER THE SILT FENCE IS REMOVED SHALL BE DRESSED TO CONFORM
TO THE EXISTING GRADE, PREPARED AND SEEDED.
4. REMOVE SILT FENCE 1 YEAR PAST CONSTRUCTION.
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
N.T.S.
TITLE
TEMPORARY SILT
FENCE DETAIL
-7 ANCHOR SKIRT
MINIMUM
SECTION B-B
FIGURE
14
5' MAX.
BANK HEIGHT
O -
\ a r ?-VQ.
40 \t?11 \t?? \) o? cY ?• 10

STONE OVER
FILTER FABRIC
(SEE NOTE 2)
STREAM CHANNEL
SURFACE FLOW
DIVERSION
o O o J J ?IJ J J \t?J\?1J \t?J
R `
_ po
J\t J\ ° V. !o. ;°.
P \t J \ , , ?: ??:
\) \ J \ \ ° ' ? O 1?: ?? 1. USE #57 WASHED STONE
\tNJ \ \ \? , ` ?? ^y 2. OMIT #57 WASHED STONE ON
\t?J
STONE APPROACH SECTION
5:1 MAX. SLOPE ON ROAD
CHANNEL BOTTOM IF CROSSING
A COBBLED BED STREAM.
3. REMOVE STONE AND FILTER
FABRIC AFTER CONSTRUCTION
AND TIE INTO EXISTING GRADE.
VEGETATE SITE ACCORDING TO
PLANTING PLAN.
ORIGINAL STREAMBANK
STONE OVER "'...?, ?. .,..
FILTER FABRIC i? 'o.
i
6" MIN.
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 5/2005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
TEMPORARY ACCESS
AS SPECIFIED BY
ENGINEER
FILTER FABRIC
TITLE FIGURE
TEMPORARY STREAM
CROSSING DETAIL
15
NTS
VSTA. EDTLER® No. 937 811 E+
Engineer's Computation Pad

StaG; ?: secf
5a1
CO?1Str.+G??ba
t
t?
1

1 5 j?4LI4 f.

G ?Gl ?
G oacl ?5 f?ra?,
Co,rsir-.&t tv''4 cr^ /,3ars 2_5
j/eGG
5s?7 toa?f O q?ev@r? " na z
moat/, Sea
/ 9,-v v, o% S/-b4ec l a zees s /bd of . pie
S?r't3Q'1 • SeC: -C.•,?CJd„e.r? ?/-0,Y-7
Cross; -,3 Use
/?,e sr4,r- .6uhl,, Goo/ a ,-
? ?,?ovr, eo.•,/v/e/•?o? d 1? ,6oN/?Pr
0177 Go.6,G/e. `er+101-41
- ? ... Ca h7?ro/'
Slab;f say/ j?'?rol :Z Sl I& f?"e•
s?`rea.r,
No-1- to
Source: NC Land Quality Section Figure 16
4/t rl,-f
j?STAEDTt..ER` No. 937 811 E
Engineer's Computation Pad

50,
5?.6%li seef
ConsTiwa?`'?`c-?

i ' '-/I?Q ?f ?1 G? \+Q Mf'?/ .Si7JlIMry/ a`?Dy
u
?fOp? /?7/Ae.?/?5 \ G0 /14-
IV/A7B4
tt?/C°.i
1 /7e .sr at?a ! /?iecl 1 ??ro v? plc. ><o /O?a ?`eG? fir
? S7'`r'e a.n
b ,

7?' ! /?oaSure'''?
opt

Arw

?i@??fOt,.?l ?Yl°.G / /.'Jb$Si?`LO,? L•t/.7?'? Lt/inL?f%.??
? G s a seta«o? o?l'??b'"
/ ?7NPTP/ S?OwI?a?. S?G?(Oi fiZP?
Source: NC Land Quality Section Figure 17
VSTAEUMER®
No. 937 811 E
Engineer's Computation Pad

CUNJ?e'+nL?+'Oy
Oz C-
i
a.1./?17tI NV'/S GS
60l13je4444-
4ez-e5sa?/
/'onr?, See.
?,roPn A4-j

t /Oro of i./e- SY/p ?; l: z-W? e 0 v.??..? e;. Y-
t ? ??aGl {vim fjep.-y Ia?oo?:..r?•?
e AC s to re. 67 #,aor,-" o re A/ GAc-t*4 ?G 77-e?o-
svtv?+? / .lC/ GGt?a?i nc, G1?Joit C o.V16, A-0, ca x Mai r: S
f 9 elect
e
t ?
G a.r fro tt ?'lecv5 u ic.
O?e?•G `.
6/9} N:;„7M r.tf f fe?-,Z o
`.4! ?w S?+^CRM
Ne,4 -?v Scale.
Source: NC Land Quality Section Figure 18
4j.?/os
Organic Debris Removal
Standard Operation Procedures (SOP)
Emergency Watershed Protection (EWP) Stream Repair Projects
Buncombe County, North Carolina
SCOPE OF WORK
The work shall consist of the cleanup of designated stream areas by the removal and
disposal of trees, logs, stumps, brush, tops, rubbish, and other debris deposited in the
stream channel and floodplain by the storms of September 8 and 16, 2004.
CLEARING AND DEBRIS REMOVAL
Debris removal crews shall remove only that material which has been clearly marked by a
representative of Buncombe County and/or CH2M HILL, INC (Representative) as indicated
by flagging and/or orange/red spray paint. ONLY marked debris is to be removed.
Representative cannot authorize additional work. Any work that will result in an increase in
cost must be submitted to CH2M HILL for approval prior to starting such work. In the event
that the contractor uses on-site chipping, the chipper may follow the clean-up crew along the
length of the project reach. The Contractor is responsible to properly dispose of chips.
Proper disposal may include spreading on site or removing off-site. On-site disposal requires
written approval by the property owner. Unless specifically requested to leave the chips in a
pile by a property owner the chipper shall make reasonable efforts to spread the chips as
chipping progresses.
Chippers and other heavy equipment will be staged and used at least 30-feet from the top of
the streambank or on existing paved or graveled areas prepared in accordance with standard
details described in Figure 18 (see Typical Design Drawings).
Repair of any property damage resulting from debris removal is the sole responsibility of the
Contractor.
All debris removal shall be within the included sites as identified in this solicitation and as
directed by the Representative. For bid preparation purposes, the Representative has
marked and identified debris to be removed. Removed debris shall be placed only in
those areas as directed by the Representative. For Bid purposes, debris staging areas are
assumed to be within 300 feet of top of bank. On-site burning is not allowed. Fallen
trees, limbs and dislodged brush within the cross section of the existing or original
channel up to and including the debris line of the subject storm shall be removed. Any
foreign (man-made) debris washed in from upstream, shall be removed. Marked trees
severely undercut by stream bank erosion and trees severely leaning over the channel
whose near term fall is apparent shall be removed.
In general, Contractor clearing will be limited to the cutting of severely damaged trees
leaning across the channel, and other trees as needed to gain access for equipment to points
of channel blockage.
CADocuments and Settings\afloyd\Local ScaingsUemporary Internet Files\OLKI\Buncombe Debris Removal
SOP.doc
Disturbance of the channel bottom and banks, and equipment access areas shall be held
to the minimum necessary to allow the construction equipment to remove the debris and
shall be consistent with all state and federal permits. All areas disturbed due to debris
removal or equipment access shall be reshaped and reseeded in accordance with
standard details described in Figures 7-18 (see Typical Design Drawings).
Access to the channel will generally be perpendicular to the channel so cutting of trees is
held to a minimum with precaution taken to protect mast producing and stream canopy
trees. Un-marked dead trees that provide den habitat and are determined to pose no
hazard to the channel shall be protected. As such, the contractor will only remove marked
debris. The contractor will exercise care in the areas of existing crops to minimize
damages.
PROVIDED EQUIPMENT & FACILITIES
The Contractor shall provide adequate sanitary facilities for equipment operators and
work crews. Portable facilities shall be provided at the worksite and arrangements made
for proper servicing. A portable facility will be provided within 1,000 feet of the
equipment and/or work crews at all times.
COMMUNICATIONS
Each mechanized piece of equipment and each work crew shall be equipped with a two
way, battery operated radio. Radios shall be FM, have a minimum range of 5 miles.
Radios shall be maintained "on" and in the receive mode at all times while the operator is
at the site. Batteries shall be recharged overnight or as needed. An extra set of fully
charged batteries shall be maintained on board the equipment at all times. Radios shall
be equipped with clip-on hand mikes or headsets. Radios shall be maintained in good
operating condition and equipment operators shall be knowledgeable in the use and care
of the radios. Each Contractor site supervisor shall also maintain a secondary
communication system compatible with the Representative's system.
Brush Removal Guidelines
• Small diameter brush and limbs (less than four inches in diameter) that will not
cause damage if remobilized by high water will be cut into short lengths (five feet
long or less) and left in place.
• All marked, dislodged or uprooted larger diameter brush will be removed from
the channel or streambank and chipped in designated areas greater than 30-feet
from the top of the bank.
• Saplings and shrubs with an intact root system are not to be removed.
CADocuments and Settings\afloyd\Local Settings\Temporary Internet Files\OLK I \Buncombe Debris Removal
SOP.doc
Tree Removal Guidelines
• Trees will be chipped in designated areas greater than 30-feet from the top of the
streambank. Chippers and/or tub grinders may be staged on-site with written
consent from the property owner or at a central location approved by the County.
• Larger diameter trees may be pulled to the chipper using a mechanized winch
provided the process does not create excess disturbance to the streambank.
• Marked trees whose near term fall is apparent should be cut at the marked
location, which will be indicated by a painted ring around the trunk at least three-
feet above the ground surface. The root system shall not be removed from the
streambank.
• As approved by the Representative, larger diameter trees that cannot be moved
using hand equipment will be cut to manageable lengths and removed.
• The sale of chips or firewood is not allowed.
Foreign Debris and Trash Removal Guidelines
• Foreign (manmade) debris and trash will be bagged in orange trash bags where
possible.
• Filled trash bags will be removed from the channel and transported directly
offsite by the Contractor to a local landfill.
• Large debris must be loaded into a dump truck or roll-off container and
transported to a local landfill for disposal.
• Tipping fees for disposal shall be paid by the Contractor.
Stream bed and Bank Repair Guidelines
• All temporary stream crossings shall be installed as described in Figures 15 -18
(see Typical Design Drawings).
• All Stream embankments disturbed by Contractor activities, denuded, or left bare
as a result of debris removal shall be regraded, planted, and erosion control fabric
installed as described in Figures 6, 7, and 9 -12 (see Typical Design Drawings).
• Temporary staging, chipping, and work access points shall be regraded and
grassed using a native grass/herb mix as outlined in Figures 6, 7, and 16 -18 (see
Typical Design Drawings).
CADocuments and Settings\afloyd\L.ocal Settings\Temporary Internet Files\OLKI\Buncombe Debris Removal
SOP.doc
• Contractor shall install erosion control measures as outlined in Figures 10 -18.
SUPERINTENDENCE OF EQUIPMENT AND WORK CREWS
Any contractor providing three (3) or more pieces of equipment or five (5) or more work
crew or equipment operators shall provide a non-working crew superintendent in
addition to the required laborers and operators. The contractor shall designate in writing
the names of the crew superintendent and an alternate prior to award of the contract. The
crew superintendent shall provide on-site supervision of work crews and equipment
operators. The crew superintendent shall be responsible for the safety of work crews and
for the location and servicing of portable sanitary facilities. He/she shall be equipped
with a portable communication as specified above.
The crew superintendent shall communicate with the Representative to assure that work
crews and equipment are performing at a satisfactory level. The crew Superintendent
shall coordinate with the Representative to schedule equipment and operators for each
days work and as far in advance as possible. The superintendent shall be responsible for
keeping up with the daily operating times of all work crews and equipment and shall
maintain a log of daily equipment and work crew operations. He/she shall coordinate
daily with the Representative to concur on actual footage of streambank cleared.
WORK DIRECTION
Contractors and equipment operators will not perform activities requested or instructed
by landowners or others at the worksite, except as confirmed by the assigned
Representative.
ENVIRONMENTAL CONSIDERATIONS
Earth moving equipment will cross and operate in the stream flow only when necessary
and only when directed to do so by the Representative. Equipment shall be maintained
to prevent fuel, oil and lubricant spills in the vicinity of the stream. Refueling, repairs
and lubrication will be performed at safe distances from the stream and only at locations
approved by the Representative.
Should fuel leaks, oil leakages or hydraulic pipe rupture occur during construction, the
operators will immediately remove the equipment to a "safe" area and proceed with
repairs. The Representative will direct operators to remove equipment from the stream
whenever a leak is observed or suspected.
CADocuments and Settings\afloyd\Local Settings\Temporary Internet Files\OLK1\Buncombe Debris Removal
SOP.doc
SAFETY
Contractor shall be responsible for the safe execution of this work and conform to all
applicable state and federal regulations. Additionally, at work sites, where equipment
will be operating on public roads, flagmen shall be stationed to warn oncoming traffic of
congestion, construction road signs shall be in place and a means of removing sediment,
mud or rocks from roadways shall be established. Residue deposited on roadways may
be removed by sweep machine, manual sweeping methods or pressurized water. The
contractor will be responsible for the implementation of these measures.
Chain saw operators will be expected to perform debris removal operations during
periods of extreme weather conditions and in areas of deep and fast moving water. The
contractor is responsible for providing the necessary equipment, clothing and other gear
to insure that laborers can perform effectively and safely under these conditions. The
Contractor shall determine if working conditions are hazardous and/or of sufficient
extreme to prevent efficient and effective operation. When such conditions exist, the
Contractor shall shut down work crews until conditions improve.
EQUIPMENT
Equipment selection to complete the work is the Contractor's responsibility. The
following list of equipment has been utilized on similar debris removal projects and is
provided as a courtesy to the Contractor. This is not a requirement.
Item No.1
Hydraulic Track Mounted Excavator with Experienced Operator
Min. Weight 48,000 lbs
Min. Reach 26 feet
Min. Digging depth 22 feet
Equipped with thumb
Min. Bucket size 1.0 cu yds.
Equipped with two-way radio
Min Horse Power 140 HP
Item No. 2
Skidder with Experienced Operator and Two Helpers
Rubber Tired with Winch and Blade
Min Horse Power 80HP
Min. Winch Cable Wire Rope -150 ft and 5/8 inch diameter
Min Chokers: 4 with 2 Chain saws
Min. 20-inch bars with daily supply of sharpened chains (min. 3 chains)
Equipped with two-way radio
Item No. 3
Dump Truck with Experienced Driver
Rear dump haul truck tandem axle min. Capacity -15 tons equipped with
two-way radio
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Item No. 4
Chipper
14-inch capacity
Tub Grinder
8-foot interior tub diameter
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