HomeMy WebLinkAbout20051451 Ver 1_Complete File_20050801aCF W.--?`?R
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Nliichael F. Easley, Gorcrnor
William G. Ross Jr., Swctary
North Carolina Department of Environment and Natural ResoU(ces
Alan W. Klimek, P.E. D.rector
Division of Water Quality
August 8, 2005
Jon Creighton
Buncombe County Government
205 College Street
Asheville, NC 28801
Subject Property: Reems Creek - EWP (DSR 2005 - 129)
DWQ Project # 05-1451
Buncombe County
E9 0 W P-011
AUG 1 3 2005
Approval of 401 Water Quality Certification with Additional Conditions DENR-WATERCUALIrY
V1ETLANDSP14D STORfAWATER 6RANCN
Dear Mr. Creighton:
You have our approval, in accordance with the attached conditions and those listed
below, to place fill within or otherwise impact 150 feet of streams for the purpose of
streambank stabilization at the subject properties, as described within your application
received by the N.C. Division of Water Quality (DWQ) on August 1, 2005. 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 part
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 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.
The Additional Conditions of the Certification are:
101 Wetlands Certification Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
D21 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: 919-733-17861 FAX 919-733-6893 / Internet: htto•//h2o.enr state nc.us/ncvvetlands
one
NorthCarolina
,XaturallJ
>n Equal Opportunity/Affirmative Action Employer- 50°16 Recycled/10% Post Consumer Paper
Buncombe County: `
Page 2 of 6
August 5,200
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 net.
No other impacts are approved including incidental impacts:
Amount
Approved (Units) Plan Location or Reference
Stream 150 feet Reems 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, 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.
Buncombe Unity:
Pa-e 3 of 6
August 8,? 005
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
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, 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 3,2005
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.
(httt)://h2o.enr.state.nc.us/wri)/r)df/buffers.r)df )
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.
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 3,2005
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.
Buncombe County: f
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,
t c: c:%?'??-tip ?"?*
Alan W. Klimek, P.E., Director
Division of Water Quality
AWK1khb
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: 05-1451.EWP.ReemsCreek.Approval
Triage Check Dist
Date: 08/2/05
To:
Kevin Barnett, Asheville Regional Office
60-day Processing Time: 8/2/05 to 9/30/05
DWQ #:05-1451
County: Buncombe
From: Cyndi Karoly Telephone: (919) 733-9721
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
? Is the application consistent with pre-application meetings?
? Cumulative impact concern
? Are the stream and or wetland mitigation sites available and viable?
? Check drawings for accuracy
? Buffer Rules (Neuse, Tar-Pamlico, Catawba, Randleman)
? Pond fill
Mitigation Ratios
? Ditching
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: Buncombe County EWP
Barnardsville Creek 2005-129
Office Use Only: Form Vcrsion May 2002
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 Pen-nit ? Riparian or Watershed Buffer Rules
? Section 10 Permit ? Isolated Wetland Permit from DWQ
® 401 Water Quality Certification
2. Nationwide, Regional or General Pen-nit 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: ?
5. If your project is located in any of North Carolina's twenty coastal counties (listed on page
4), and the project is within a North Carolina Division of Coastal Management Area of
Environmental Concern (see the top of page 2 for further details), check here: ?
II. Applicant Information
AUG 2 --
1. Owner/Applicant Information 205
Name: Jon CreiOhton /Assistant County Manager/Planning Director
Mailing Address: 46 Valley Street tNd±"°`'?''? "°" CN
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.osbomench2m.com
Page I of I I
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: Barnardsville EWP 2005-129
2. T.I.P. Project Number or State Project Number (NCDOT Only): NA
3. Property Identification Number (Tax PIN): SEE TABLE 1
4. Location
County: Buncombe Nearest Town: Weaverville
Subdivision name (include phase/lot number): NA
Directions to site (include road numbers, landmarks, etc.):
The site EWP 2005-129 is located at 22 Philly Run in Weaverville.
From Asheville at US-70 W, take US-191US-23 north 4 Miles to Exit 21 (New Stock Rd).
Turn right onto New Stock Rd/Aiken Rd and then a quick left onto US-19BR/US-23
BR/Merrimon Avenue. Proceed 0.7 miles to Reems Creek Road and Turn Right. Proceed
3.2 Miles on Reems Creek Road and turn right onto Parker Cove Road. At Philly Run
Drive, turn left, and the site is behind the house at 22 Philly Run.
See Attachments 1 and 2 for site vicinity and parcel locations.
5. Site coordinates, if available (UTM or Lat/Long): 35.710250°N 82.518722°W
(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.)
6. Property size (acres): 1.19 acres
7. Nearest body of water (stream/river/sound/ocean/lake): Reems Creek
Page 2 of 11
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 littp://li2o.enr.state.nc.iis/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 site is located in a residential development of large single-family houses on 1-
acre or larger highly maintained grassed lots. Reems Creek flows through this development,
and the lawn is mown to up to the stream bank onsite. The stream and stream banks were
heavily impacted during Tropical Storms Frances and Ivan. .
9. Describe the overall project in detail, including the type of equipment to be used:
EWP 2005-129
This project area encompasses approximately 150 linear feet of Reems Creek. The project
area is located at 35 41' 96.9"N 82 31' 7.4"W . Woody debris occludes flow and high-water
events have eroded the manicured lawn. Attachment 1 contains representative photos of the
eroded area.
Repairs in this reach of stream will involve the following:
-Remove woody debris from stream channel
-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
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 detennined 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
Pa(,e 3 of l I
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 Attachment 1
the impacted channel section 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 2.
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 detenninations 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 pen-nits issued for prior segments of the same T.I.P. project, along with
construction schedules.
NA
Page 4 of 11
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
100-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.
** 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps
(FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Centcr at 1-800-358-9616, or
online at http:/iwNvNv.fcma..gov.
*** List a wetland type that best describes wetland to be impacted (e.g., fresliwater/saltwater marsh, forested wetland, beaver pond,
Carolina Bay, bog, etc.) Indicate if wetland is isolated (detennination 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:
Page 5 of I 1
Stream Impact Length of Average Width Perennial or
Site Number Type of Impact* Impact Stream Name** of Stream Before Intermittent?
indicate on ma (linear feet) Im act (please secif
EWP 2005-129 Streambank 150 Reems Creek 15ft 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.uses.;ov. Several internet sites also allow direct download and printing of USGS maps (e.g., www.topozone.com,
www.mapqucst.com, etc.).
Cumulative impacts (linear distance in feet) to all streams on site: 150
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 ma)
Type of Impact* Area of
Impact
(acres) Name Waterbody
(if applicable) Type of Waterbody
(lake, Pand 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.
5. 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., datn/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
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
Page 6 of 11
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
in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at
littp:Hli2o.enr.state.nc.us/ncwctlands/strin,Qide.litml.
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 7 of 11
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
(919) 733-5208 to detennine 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 httn://h2o.enr.state.nc.us/wrp/index.litm. 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 (919) 733-5083 to review current thresholds for environmental documentation.
Yes ? No
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
Page 8 of 1 I
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 2B .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 teet 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 infonnation as
identified within 15A NCAC 2B .0242 or .0260.
YI. 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.
Page 9 of 11
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.
Portable facilities shall be provided at the work site.
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. 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
Applicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant is provided
Page 10 of 11
Table 1.
DSR Map ID PIN Owner Property Owner's City State Zip Strcambank
Number size Address stabilization
acres
EWP 2005- DSR129 9752.02-55- Josh Lancaster 1.19 22 Philly Rd. Weaverville NC 28806 150 LF
129 2079.0000
Page 11 of 11
Attachment 1 - DSR 129
I a. Vicinity Map
lb. Site Map
lc. Site Photos
Id. Cross Section and Site Specific Design Page
1 e. Drainage Areas
Access Agreements
T
/ Y.
k
DSR-129
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A Weaveiville, N.C. USGS Quad Buncombe County Stream Assessment
Barnardsville Watershed
500 0 500 Feet DSR-129
Josh Lancaster
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This.Map Was Qg4tgd B?t.Bunco nba tcurtCY _
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Attachment 1b
DSR 129 - Reems Creek Watershed
Buncombe County, NC
Josh Lancaster Parcel 2079
Josh Lancaster
DSR Site 129
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Design Parameters
Apply to Site Figure
X 1
2
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4
X
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7
8
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10
Title
BANK STABILIZATION TYPICAL SECTION
BANK STABILIZATION WITH ROCK TOE TYPICAL SECTION
STREAM CHANNEL BENCH TYPICAL SECTION
TYPICAL J HOOK DETAIL
TYPICAL CROSS VANE DETAIL
SUGGESTED VEGETATION LIST
STABILIZATION PLANTING PLAN
BENCH PLANTING PLAN
LIVE STAKE DETAIL
DEAD STOUT STAKE DETAIL
JED
08/01/2005
Notes and/or Measurements
70 LF of left bank: A=3.5 ft
40 LF of left bank, No Rock Toe, See Note 1
70 LF of left bank
100 LF, along new and existing bench
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
EC fabric = 4.5 Ib/fe
Note 1: Fill to continue existing bench (new bench at same elevation) on left bank to willow tree.
Light grading on backfill slope (2:1 max steepness) to tie into existing slopes up and downstream of scour.
50 LF of Woody Debris Removal
r, .
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
-,6 (! J' -,e- k 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 Signed Date
?
IC20 s/(I
08/01/2005 13:37 8282514908 BUNCOMBE SWCD PAGE 02
BUNCOMB
SOIL AND WATER
;CONSERVATION DISTRICT
15.5 13Ullard Avenue, Suite 2(14
Asheville, NC 28801
auncombe. County Soil and Water Conservation District
155 Hilliard Avenue, Suite 204
Asheville, NC 28801
Ref; Stream Restoration Measures upon my property
ps) 250-4785
FAX; ($23) 251-4908
I/We own property located ja Buncombe County, reference PIN number
? (stream)
and said property is adjacent to
do hereby agree that the work and construction of improvements tirade and installed on my land by
Buncombe County will be preserved and maintained, not altered, removed, or destroyed, which will
include protected grass, trees, or other vegetation that was planted for their intended purposes, for a
period of one year following the completion of said work.
operation and maintenance will be defined as reasonable and customary measures that a landowner
can conduct on their own. The landowner will not be responsible for damages caused by catastrophic
events such as heavy rains or other natural events beyond the control of the landowner.
If any needed improvements or repairs are needed as a result of the landowner's Lack of maintenance,
alteration or destruction of improvements will be performed at owner's expense.
The landowner will allow Buncombe County or its' agents access to their property for purposes of
inspection for a period of one year after completion of improvements.
A11:21 e - - 4.) al / - 6 a-L, :; I &
Landowner Signature U Date
Landowner Signature
Date
08/01/2005 13:37 8282514908 BUNCOMBE SWCD PAGE 03
PERMIT FOR EMERGENCY `VATERSHED PROTECTION (EWP)
The undersigned landowners hereby grant permission to Bunc mbe County and the Buncomhg
County $oi and Water Consery. aion District and/or their agents to enter upon our land for the
purpose of repairing the flood damage of st eam channels and stream banks in the
u04s Creek 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.
d
Sine
Date
Signe
DAILt
Attachment 2
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
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.
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
x x 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
x x 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
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
x x 0 0.0 0.0 0.0 0.0
x x 0 0.0 0.0 0.0 0.0
NC Rural Mountain & Piedmont Regional Curve*
1000.0
0
4
a) 100.0
L
i.p
n LL
X a- ;
c
flp 10.0
1.0 i ----?
0.1
y = 20.87xo.65 = 4q ,C) 5 4'
R2 = 0.96
1 10 100 1000
Watershed Area (Sq. Mi.)
*Excludes high rainfall areas in NC mountains.
2/3/2005
NRCS, NCDSWC, NCSU
NC Rural Mountain & Piedmont Regional Curve*
1000
100
.v
75 22
10
m
Z 3 0.1 1 10 100 1000
y = 13.51x 0.42 = 2l ?+3 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
CL
o ? A
Cz
I 114
1.0 Z s
0.1 1 10 100 1000
y = 1.54x026 = 2.05 ?k Watershed Area (sq.rni.)
R2 = 0.80 *Excludes high rainfall areas in NC mountains.
NRCS, NCDSWC, NCSU
NC Rural Mountain & Piedmont Regional Curve`
10000
1000
4-0
v
100
cu
v
N
cl
1
y = 84.6Oxo.74
R2 = 0.93
10
2
0.1 1 10 100 1000
Watershed area (sq. mi.)
*Excludes high rainfall areas in NC mountains.
213/2005 MRCS, NCDSWC, NCS.U
Stream
Name Gage
Station
ID Drainage
Area
(mi2) Stream
Type
(Rosgon) Bank£ull
Discharge
(cfs) Bankfull
Xsec Area
(ft2) Bankfull
Width
(£t) Bankfull
Moan Depth
(ft) Water Surface
Slope
(ft/ft) Return
interval
(Years) Exceedence
Probability
N
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
Dutchnans 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 98.8 32.0 3.1 0.0008 1.1 91
North Pott's Creek 02121180 9.6 E5 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.B 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/lc 3064 441.8 94 4.7 0.0020 1.5 67
South Fork New River 03161000 205 B4/lc 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
> 1 CUT
3 MIN.
(NOT STEEPER) ,' `
EC FABRIC
SEE FIGURE 7
i
DRAWN:
PROJ. MANAGER:
DATE:
NOTE:
HEIGHT "A" IS MEASURED
FROM DEEPEST POINT IN
CHANNEL CROSS-SECTION
GMH
JMO
5/2005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
EXISTING GRADE
BASE FLOW
TITLE
BANK STABILIZATION
TYPICAL SECTION
N TS
FIGURE
1
EXISTING STREAMBED
EXISTING TOP OF BANK
r
'
/
CUT
2' MIN. OF
EXPOSED
PROPOSED GRADE 1 ROCK
3 MIN.
(NOT STEEPER)
EC FABRIC
SEE FIGURE 7
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
Cb2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
BANK STABILIZATION
WITH ROCK TOE
TYPICAL SECTION
N TS
FIGURE
2
FILTER FABRIC
l
1
Ll
2
- ROCK TOE
- 2' MIN . OF ROCK
EMBEDDED IN BANK
BASE FL OW A
EXISTING STREAMBED
KEY IN ROCK TOE
ONE ROCK DIAMETER
4' MIN.
TITLE
EXISTING TOP OF BANK EXISTING GRADE
;CUT',
PROPOSED GRADE
3 MIN.
(NOT STEEPER) EC FABRIC I f
SEE FIGURE 7
GRADE TO DRAIN
(1% MAX.) 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
Z-1 I
FIGURE
3
BANKFULL ELEVATION
CROSS SECTION VIEW
FOOTER
BANKFULL ELEVATION
FLOW G
DIRECTION ?(\
46
CAPS \
(1/4-1/3 ROCK DIA.)
??O 2
/1 M
BOULDERS
BOULDER
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
H2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
1
SCOUR POOL I
PLAN VIEW
W
SOURCE: APPLIED ECOLOGICAL SERVICES. INC
TITLE
TYPICAL J HOOK DETAIL
FIGURE
4
NOT TO SCALE
BANKFULL ELEVATION
FLOW
2-77 DIRECTION
//y\ BOULDERS CHANNEL BED
FOOTER
P00L
FOOTER
PROFILE VIEW
NOTES:
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
FLOW
J DIRECTION
4
Q
m
µ-
1
213 W
;( JI
J
7
m
m
20
OULDERS
TRENCHED IN 3' MIN.
AND COVERED
SILL MUST BE TIED IN TO
BANKFULL ELEVATION
SCOUR POOL
PLAN VIEW
SOURCE: APPLIED ECOLOGICAL SERVICES, INC
TITLE FIGURE
TYPICAL CROSS VANE
DETAIL 5
NOT TO SCALE
Mountain Region Suggested Vegetation List
TREES S P F SMALL TREES/SHRUE
Betula /enta Alnus serrulata
cherry birch x x tag alder
Betula nigra Amelanchier arborea
river birch x x serviceberry
Carya cordilormis Aronia arbutitolia
bitternut hickory x x x red chokeberry
Carya ovata Asimina triloba
shagbark hickory x x x common pawpaw
Diospyros virginiana Calycanthus tloridus
persimmon x x x sweet-shrub
Fraxinus pennsylvanica Carpinus caroliniana
green ash x x ironwood
Halesia caroliniana Cornus alternilolia
siiverbell x x alternate leaf dogwood
Nyssa sylvatica Cornus amomum
blackgum x x x silky dogwood
Platanus occidentalis Corylus americans haz
sycamore x x nut
Prunus serotina Hamamelis virginiana
black cherry x x x witch-hazel
Salix nigra Ilex verticillata
black willow x x winter berry
Tilia heterophylla Leucothoe axillaris
white basswood x x doghobble
Lindera benzoin
S = Shade 1 - 1 spicebush
P = Partial Sun Lyonia ligustrina
F = Fuil Sun Lyonia ligustrina
?- Magnolia tripetala
i umbrella tree
Physocarpus opulitolius
ninebark
Rhododendron
i periclymenoides
I wild azalea
^ Rhododendron viscosum
swamp azalea
----------- -- - `I Rosa palustris
--- - -- I _
_
- swamp rose
,
I Salix sericea
_ silky willow
! Spirea latitolia
meadowsweet
Symplocos tinctoria
I sweet leaf
! I Viburnum cassinoides
W ithe-rod
Xanthorhiza simplicissi
yellow-root
!
.
,
I
i
IS S P F HERBACEOUS VEGETATION FOR SEED MIX
JArisaema triphyllum Scirpus validus
x x x jack-in-the-pulpit soft stem bulrush
Asclepias incarnate Sparganium americanum
x x swamp milkweed bur-reed
Carex crinata Thelypteris palustris
x x fringed sedge marsh fern
Carex intumescens Uniola latitolia
x x bladder sedge river oats
Carex lupulina Vernonia noveboracensh
x x hop sedge ironweed
Carex lurida Leersia oryzoides
x x lurid sedge rice cutgrass
Carex scoparia Lobelia cardinalis
x x broom sedge cardinal flower
Carex stricta Lobelia siphilitica
x x tussock sedge great blue lobelia
el- Carex vulpinoidea Ludwigia alternilolia
x x fox sedge bushy seedbox
Chelone glabra Panicum virgatum
x x turtlehead switchgrass
Cyperus strigosus Polygonum sagittatum
x x x umbrella sedge tearthumb
Elymus hystrix Scirpus atrovirens
x bottlebrush grass green bulrush
Eupatorium tistulosum Scirpus cyperinus
x Joe-pye-weed woolgrass
x Eupatorium pertoliatum Juncus ettusus
boneset soft rush
x Impatiens capensis
jewel-weed
x I x I
x x
-._
x x
I
x x
x x
Ix
x x
x x x
ma
x
i
TITLE
SUGGESTED VEGETATION LIST
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 5/2005
CH2MHILL FIGURE
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
WIDTH CF CHANNEL EXISTING SURFACE
ELEVATION
LIVE STAKE ZONE
3' TO EDGE OF WATER
T PLANTING WIDTH WILL VARY TO
1 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
-TD BE SEEDED IMMEDIATELY WITH TEMPORARY RYE GRASS 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 NATIVE, PERMANENT GRASS/HERB MIXTURE AT
15-20 LBS/ACRE SEEDING RATE. AT MATURITY. FOLLOW NCDWO GUIDELINES
FOR RIPARIAN BUFFER RESTORATION.
-SHRUB SPECIES INCLUDE BUT ARE NOT LIMITED TO:
-HERB/GRASS SPECIES INCLUDE BUT ARE NOT LIMITED TO: Alnus serratula, Cephalanthus occ/dentalls,
Agrostis alba
Carex spp.
Dactylis glomerate Corpus stricta, Rhododendron maximum, salix
,
,
,
Panicum spp., Penn/setum glaucum, Secalo corea/o, serecla, Sambucus canadensls, etc.
-TREE SPECIES INCLUDE BUT ARE NOT LIMITED TO:
ETC.
LIVE STAKES TO INCLUDE Cornus spp. and Acersop., Betula spp., Fraxlnus spp., Juglands
Salix serica Nigra, Ltriodendron Tullpitera., Pinus strobus.,
LIVE STAKES SPACED ON 2' CENTERS P/atanus occidentalis., Robinla Pseudoacacia., etc.
-TO BE SEEDED IMMEDIATELY WITH TEMPORARY RYE GRASS.
-FOLLOWING CONSTRUCTION, AREA TO BE SEEDED WITH
A NATIVE, PERMANENT GRASS/HERS 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.
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
VARIES
ZONE 1
3'
EXISTING STREAMBED
STABILIZATION
PLANTING PLAN
FIGURE
7
APPROX.
WIDTH OF CHANNEL
3'
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 1.36 TREES/ACRE, WHICH
AT 15 LBS/ACRE SEEDING RATE. SUFFICIENT TO PROVIDE 320 TREES/ACRE
-FOLLOWING CONSTRUCTION, AREA TO BE SEEDED WITH
A NATIVE, PERMANENT GRASS/HERB MIXTURE AT
15-20 LBS/ACRE SEEDING RATE. AT MATURITY. FOLLOW NCDWO GUIDELINES
FOR RIPARIAN BUFFER RESTORATION.
-SHRUB SPECIES INCLUDE BUT ARE NOT LIMITED TO:
-HERB/GRASS SPECIES INCLUDE BUT ARE NOT LIMITED TO: Alnus serratula, Cephalanthus occ/dentatis,
Agrostis a/ba, Carox spp., Dactylis glomorata, Comus sWcta, Rhododendron maximum, sallx
serecia, Sambucus eanadensis, etc.
Panicum spp., Pennlsetum gfaucum, Secale cereals, -TREE SPECIES INCLUDE BUT ARE NOT LIMITED TO:
ETC.
LIVE STAKES TO INCLUDE Cornus spp. and Acerapp., Betu/a spp., Fraxinus app., Juglands
Salix serica Nigra, Liriodendron Tulipifera., Pinus strobus.,
LIVE STAKES SPACED ON 2' CENTERS Platanus occidentalls., Robinla Pseudoacacia., 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: 512005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
SEFLOW
EXISTING STREAMBED J
TITLE I FIGURE
BENCH
PLANTING PLAN 8
EC FABRIC
2' MAX
SPACING
i
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
FIGURE
9
ESTABLISHED PLANT SHOWN
FOR INFORMATION ONLY
GROUND
TITLE
LIVE STAKE DETAIL
NOTES
18" STANDARD (30" IF
USED AT TOE OF SLOPE)
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".
4. INSTALL EC FABRIC PER MANUFACTURER'S
INSTRUCTIONS.
-?{ ? 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
1o
SOIL BIOENGINEERING
E
DEAD STOU
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.
OF BANK ANCHOR, TYP
SEE FIGURE 12
JND, TYP
IP.
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
=•??nn?niD?c?r?.+_no+? i???c„?? '4-- n'1•9;')•nn one DnDOOr. i?,,....,... ,.,,? -^2
TOP OF BANK
EC FABRIC
BASE FLOW
DEAD STOUT STAKE
SEE FIGURE 10
BACKFILL
MAT WRAPS OVER
TOP OF STAKE e 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 ?
i
SOIL STABILIZATION FABRIC
UNDER 2'-3' WASHED STONE
50' MIN.'
C' l
r F
W
w
LLJ
OR AS SPECIFIED W
ON PLAN SHEETS M U
U
CD
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
C H ENTRANCE DETAIL
1
4824 PARKWAY PLAZA BOULEVARD 3
SUITE 200
CHARLOTTE, NC 28217 N.T.S.
A _
B
! 8" MAX.
STEEL POST
WIRE FENCING
WOVEN FILTER FABRIC
A
B
v ONE
J5 WASHED STONE
01
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:
PROJ. MANAGER:
DATE:
GMH
JMO
5/2005
MAINTENANCE NOTES:
- STEEL POST
WIRE FENCING
Z FILTER FABRIC
w ?
p J ?
I I. I
ANCHOR SKIRT 6" MINIMUM
IN LIEU OF BURYING SKIRT, 6" OF
15 WASHED STONE MAY BE USED
OVER TURNDOWN. SEE SECTION 0-0.
SECTION A-A
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
STEEL POST
WIRE FENCING
FILTER FABRIC
z
T
' I
ANCHOR SKIRT
6" MINIMUM
SECTION B-B
FIGURE
14
5' MAX.
BANK HEIGHT
STREAM CHANNEL
SURFACE FLOW
DIVERSION
STONE OVER
FILTER FABRIC
(SEE NOTE 2)
STONE APPROACH SECTION
5:1 MAX. SLOPE ON ROAD
1. USE #57 WASHED STONE
2. OMIT #57 WASHED STONE ON
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
,. ~r
o_.
o?
STONE OVER FILTER FABRIC o"
i
6" MIN.
DRAWN: GMH
PROJ. MANAGER: JMO
DATE: 5/2005
CH2MHILL
4824 PARKWAY PLAZA BOULEVARD
SUITE 200
CHARLOTTE, NC 28217
r
TEMPORARY ACCESS
AS SPECIFIED BY
ENGINEER
FILTER FABRIC
TITLE
TEMPORARY STREAM
CROSSING DETAIL
NTS
FIGURE
15
Z?SfAEDRLER® No. 937 811 E
Engineer's Computation Pad
St41ir>'i iec?
SOS Co.?st?..or?;
t i
1 ?
1 J
J '
lt/4? -
7 "0 0 14 ,a 'Id
G ?Gl ti
L nac'^ °j 4rce,
Co.ts7J?Kr-? 1?o{c,r" ?ars as
?oc./ of+`vcr? /c, n o
re?rGoC .h s5a-7/vr-o
road, See
%S i'?-?1?'- at` lit??? /?, ve?5%u /1 G?E?Q: /?
/?roVrG/e 57?4?%%i??azza c s /bdv?
Cross`-,3 Ole
we,?Ivrc S/le-I '174,114 a,
' ?i fn/?O n C o ?,?tl?t ?v'Gn O T' ?J ONIl?1Pr'
I ?.-rcl Golhk re•r1avA?.
wa ,
r Co vt 7?ro/'
Me C, .5 t4ee-
r
9ur,1i7 Info S .eA.-? Ta o ?' /3- k
s-/ream
/Vo ?- t o SGG/L
Source: NC Land Quality Section Figure 16
4/.t r-/or
?STAEDTLER® No. 937 811 E
Engineer's Computation Pad
?i oao?
_ 50'
5,??„l; sec(
6n
i
/. /. . gyn.. ?.? ' / ?•
' ?foog0 ?/a;?
/?e rs-rovo l
L
?7?•N/ ?OG
?y -
/laS"1,x.5 i/7 Q ?o S s o ?
t ??`oanc,? G'o..rr? sso%NcNt?wf?oM
t S7'`i'eA.n
r
to 7 4- 0', j e,
asp ????? •
00 or
13ufrre-
/=looc? P/a;-. ,Ofedr, 5 r ou h,,Ae,.ei-e.-
/?e.•ro?? ?J'reG / /?oSs.??c?? Lv•7f'h Lv.:.a?:„5
l
? GS R SeGui+ D?f'b^•
qni irr-a• N(: I anri ni iality .qPrtinn Fini ira 17 t. /..•%. ,"
VSTAEDTLER® No. 937 811 E
Engineer's Computation Pad
?o S?aG. lx??r
G ?'J?/6?-IC.
J
1 1 13<r
CCn37?i..•??- G?w?ri ,C7crs ri5
/IeGeSSc?/ ?-a Give/y` /4.+0{?
A4a 1 r'on?, See.
r ! loam {vr ?jea•-y /?o??:..r??
Q S?rsii liar ic, coti o7fru a"O-
o ? /C / ?Lr a?? , G1?Jp? G O n????t J??`v?r c? 9? G?£•f? r. S
5?
19 leer
i
o i?'lec?5 ?r i?
.??r^
T e..,?__ G?.eL, .jile???9N, ?ri. ,.,r?/?"c_oi.l' /? ?S_ %.s?Y.?.'f SG ? ?0 .1
0
/G o. x
01
1' ?erZoHC
r
,4f i^ STIeam
?A M
1vc4- 7tv scale-
,Source: NC Land Quality Section Figure 18
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, nibbish, 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 Countyand/or CHUM 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 strearnbank or on existing paved or graveled areas prepared in accordance wiQh 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.
hi 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 SettingsVilloyd\Local Settin-Memporary Internet Files\OLKITuncombe 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 chanriel 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
cominu nication 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.
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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 arotuld 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 lengtl-Ls 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).
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• 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.
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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 hub diameter
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CH2MHILL TRANSMITTAL
To: NC Division of Water Quality From: Jill Davenport/CH2M HILL
1650 Mail Service Center 4824 Parkway Plaza Blvd, Ste 200
Raleigh, NC 27699-1650 Charlotte, NC 28217
Attn: Date: August 1, 2005
Re: 401 Permit Review - EWP Projects PCNs
We Are Sending You: Method of shipment:
X Attached Under separate cover via
Shop Drawings Documents
Prints
Copy of letter
Specifications
Other:
Tracings
Catalogs
Quantity Description
5 PCN - EWP 2005-100, 111
5 PCN - EWP 2005-164A, 1648
5 PCN - EWP 2005-164C, 164D
5 PCN - EWP 2005-129
r10
J?
AUG 9 - 2005
CENR - t'JATEFt Ql',':LITY
1'ICTLp;D3??DSTGit';?',1iERE ?H
If the material received is not as listed, please notify us at once.
Remarks:
One copy of the PCNs has been sent to Kevin Barnett/DWQ-Asheville and one to Dave
McHenry/WRC at Kevin's request. PCNs may contain more than one DSR site. EWP DSR
sites have been grouped by drainage area for ease of permit review.
Copy To: file
TRANSMrTTAL_PCNS_DYJO_OB012005.DOC 1
COPYRIGHT 2005 BY CH2M HILL, INC. - COMPANY CONFIDENTIAL