HomeMy WebLinkAbout20140514 Ver 1_401 Application_201405142 0 1 4 0 5 1 4
isUnited States Forest National Forests in 160A Zillicoa Street
Department of Service North Carolina P.O. Box 2750
Agriculture Asheville, NC 28802
File Code: 2530 -3
Date: May 12, 2014
Cyndi Karoly
North Carolina Division of Water Quality
401/Wetlands Unit
1650 Mail Service Center
Raleigh, NC 27699 -1650
Dear Ms. Karoly,
This letter is to request Section 401 Water Quality Certification from the North Carolina
Division of Water Quality for U.S. Forest Service project: Tributary to Hiwassee River Stream
Restoration Project. The project is located on the Tusquitee Ranger District, Nantahala National
Forest in Cherokee County, North Carolina.
This project proposes to construct a stable stream ecosystem using natural channel design
techniques. Rip -rap would be removed from stream banks, and a new channel dimension,
pattern, and profile will be establish based on reference reach information. Native riparian
vegetation would be planted to establish a healthy riparian and stream side area.
A copy of the 404 permit application has also been sent to the N.C. Wildlife Resources
Commission and U.S. Fish and Wildlife Service for review. Additionally, an Erosion and
Sediment Control Plan has been submitted to NC Division of Land Quality since the disturbed
area is more than one acre.
Enclosed are the following materials:
• Five copies of the Pre - Construction Notice with the Letter of Delegation of Authority
• Five copies of the Erosion & Sediment Control Plan with project design and site map
• Five copies of the signed NEPA documentation (Decision Memo) and SHPO
concurrence letter for the project
• A check made payable to the Division of Water Quality for $570.00 since the length of
stream channel impacts is more than 150 feet.
If you require any additional information, please contact me at 828 - 257 -4214.
Sincerely,
ady . Dodd
National Forests in North Carolina
Forest Hydrologist
Caring for the Land and Serving People Printed on Recycled Paper
20 1 40 5 1 4
Of w p rF9
oa qG Office Use Only:
T Corps action ID no.
o < ,+ DWQ project no.
Form Version 1.3 Dec 10 2008
IM LU U-4
VVA'M UALITY
Page 1 of 14 r Eranch
PCN Form —Version 1.3 December 10, 2008 Version
Pre - Construction Notification (PCN) Form
A.
Applicant Information
1.
Processing
la.
Type(s) of approval sought from the
Corps:
®Section 404 Permit El Section 10 Permit
1b.
Specify Nationwide Permit (NWP) number: 27 or General Permit (GP) number: n/a
1c.
Has the NWP or GP number been verified by the Corps?
❑ Yes
® No
1 d.
Type(s) of approval sought from the DWQ (check all that apply):
® 401 Water Quality Certification — Regular ❑ Non -404 Jurisdictional General Permit
❑ 401 Water Quality Certification — Express ❑ Riparian Buffer Authorization
1e.
Is this notification solely for the record
because written approval is not required?
For the record only for DWQ 401
Certification:
❑ Yes ® No
For the record only for Corps Permit:
❑ Yes ® No
1f.
Is payment into a mitigation bank or in -lieu fee program proposed for mitigation
of impacts? If so, attach the acceptance letter from mitigation bank or in -lieu
fee program.
❑ Yes
® No
1g.
Is the project located in any of NC's twenty coastal counties. If yes, answer 1h
below.
❑ Yes
® No
1 h.
Is the project located within a NC DCM Area of Environmental Concern (AEC)?
❑ Yes
® No
2.
Project Information
2a.
Name of project:
Tributary to Hiwassee River Stream Restoration Project
2b.
County:
Cherokee
2c.
Nearest municipality / town:
Murphy, NC
2d.
Subdivision name:
USDA Forest Service, Tusquitee Ranger Station
2e.
NCDOT only, T.I.P. or state
project no:
3.
Owner Information —
3a.
Name(s) on Recorded Deed:
USDA Forest Service
3b.
Deed Book and Page No.
;
3c.
Responsible Party (for LLC if
applicable):
Kristin Bail i
n.
3d.
Street address:
160 Zillicoa Street, Suite A LT
Asheville, NC 28801
3e. City, state, zip:
3f.
Telephone no.:
828 - 257 -4269
3g.
Fax no.:
828- 259 -0584 D
,
3h.
Email address:
Kmbail @fs.fed.us
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VVA'M UALITY
Page 1 of 14 r Eranch
PCN Form —Version 1.3 December 10, 2008 Version
4.
Applicant Information (if different from owner)
4a.
Applicant is:
® Agent ❑ Other, specify:
4b.
Name:
Brady N. Dodd
4c.
Business name
(if applicable):
USDA Forest Service, Hydrologist
4d.
Street address:
160 Zillicoa Street, Suite A
4e.
City, state, zip:
Asheville, NC 28801
4f.
Telephone no.:
828 - 257 -4214
4g.
Fax no.:
828 - 257 -4874
4h.
Email address:
bdodd @fs.fed.us
5.
Agent/Consultant Information (if applicable)
5a.
Name:
5b.
Business name
(if applicable):
5c.
Street address:
5d.
City, state, zip:
5e.
Telephone no.:
5f.
Fax no.:
5g.
Email address:
Page 2 of 14
B:
Project Information and Prior Project History
1.
Property Identification
1a.
Property identification no (tax PIN or parcel ID).
USDA Forest ,Service, National Forest m NC, Tusquitee
a,
R D
1b.
Site coordinates -(in decimal degrees):•- if you'can'tget
Latitude. ,Longitude -
these, jusfinclude a very good vicinity map
(35 078361) ( -84 030156)
1c.
Property size
389,5000 acres
2.
Surface Waters,
2a
Name,of nearest body of water (stream, river, etc.) to
Unnamed tributary t6the Hiwassee River
proposed project
2b
Water Quality Classification of, neatest receiving water
WS =V
2c
River basin_ map is available at
Hiwassee River'Basin
http / /h2o.enr.state nc.us /admin /maps/
Page 3 of 1,4
PCN Form — Version 1 3 December 10, 2008 Version
3. Project Description - r
3a. 'Describe the'existmg conditions on the site and the general land use in the vicinity of the project,at the time of this
application -
This section of channel flows through the Hiwassee River's floodplain, on Nationale Forest System land&
in the'town,ofMurphy, NC. The'channel.is entrenched up to 6 feet deep with, small hoodplaam features -
that have fonned within the'gullied channel. Largely, where the channel' seeks to extend,its meander
pattern within the gully,,the cut bank sides of meander bends are eroding into the tall unstable bank (see`
photo). Both sides of the -gully are maintained,as lawn by the Tusquitee'Ranger Station. To stabilize the -
zrea affecting the southern abutment on the bridge, rip-tap Vas placed. along the bank in 2011 acid an ATF�
permit was issued, to the Forest Service (A-- ction ID 2011`- `02275).
0 ;
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�ty ".. C,•` .. �. �.. _��`_ l _ r " may_ �: t- ... �iT r�,y�+'s.
TQ� f " - ., G7.as, - X31. WSv . {` J .�''Y.^'�r - "�ic�`•„�"? t
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3b List the total' estmated acreage of all existing wetland's on the property
0 Acres of wetlands
3c - L'-ist the total estimated linear feet of all existing stream&(mtermittent and perennial) on the property-
- 1„360 feet
3d Explain the purpose of the proposed project, This project would remove the.rip -rap and dotstream restoratio6.by
implementing natural channel design tech rnques4hrough the entire streamtreach from the Kings Street crossing
downstream to the confluence'with'the Hiwassee River
PageA of 14
3e Describe the overall project in detail, including the type of equipment to be used
The reach is approximately 1,307 feet long, starting at the upstream end, afthe culvert outlet on King Street
down to the, confluence with the.Hiwassee River. The reach will be separated into two sections for design
purposes, Section A above the Forest Service Road (FSR) 319 (Woodland D'r:) stream crossing and Section B
below the crossing to include the tributary from the TVA access road. This design was drafted in cooperation
with NC State Uniyersity
Section A.
C Reconstruct the channel and enhance existing floodplam formation at the existing channel elevation
within the confined "gully ". Construct astable stream channel; of the Rosgen "B" stream type, using
natural channel design techniques including log and rock structures Structures would form grade contfol
as needed, aquatic habitat features and enhance bank stability to give banks time to stabilize with planted
native vegetation. Reference reach data from local streams and regional curves would be used to construct
channel dimensions, pattern, and profile
e ° Disturbance would occur within 50 feet either side of the,existmg channel. `Soul disturbance would include
excavation of the gully banks to a stable angle, and construction within the channel of floodplains and
several mstream structures made from trees and boulders.as needed Soil excavation would likely exceed
fill maternal; therefore excess soil would'be removed from the site Additional disturbance would include
the movement of equipment,over the area
Section B.
• The current location of this channel and tributary would remain and structures would be used to stabilize
the channel and create a Rosgen `B" stream type.
• Retrofit the FSR 319 crossing with a boulder structure at the outlet to promote back water into the pipe for
aquatic organism passage
• Disturbance, could occur within 50 feet of the left downstream side of the existing, channel. Type of
disturbance would include excavation of steep'stream banks to a stable slope, construction of floodplams,
and construction of structures, and the movement of equipment over the area
General:
All disturbed area would be seeded with native grass,seed and,mulched, and °stream banks would be seeded
and matted with erosion control matting and vegetation transplants, and planted with native riparian type
vegetation '
4 Jurisdictional Determinations
4a Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
project (including all prior phases)jin the past?
❑ Yes ® No ❑ Unknown
Comments
4b If the Corps made the jurisdictional determination, what type
❑ preliminary ❑ Final
of determination was made
4c If yes, who°delineated the jurisdictional areas?
Agency /Consultant.Company
Name (if known)
Other
4d If yes, list the dates,of the Corps jurisdictional determinations or State determinations and attach documentation
5 Project History
5a Have permits or certifications been requested or obtained for
® Yes ❑ No ❑ Unknown
this project (including all prior phases) in °the past?
5b If,yes, explain in detail according to "help file" instructions
An ATF permit was issued to the Forest Service on March 6, 2012, Action ID 2011 -02275
Page,5 of 14
16. Future Project,Plans
6a is this a phased project? ❑ Yes ® No
6b If yes, explain
i
Page 6 of 14
C. Proposed Impacts Inventory
1. Impacts Summary
1a Which sections were completed.below for your project (check all that apply)
❑ Wetlands ® Streams - tributaries ❑ Buffers
❑ Open Waters ❑ Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted
2a
2b
2c
2d
2e
2f
Wetland'impact
Type,of jurisdiction
number —
Type of impact
Type of wetland
Forested
(Corps - 404, 10
Area of impact
'Permanent (P) or
(if'known)
DWQ'— non404, other)
(acresp
Tem bra T
-
W1 ❑ P ❑ T
❑ Yes
❑ Corps
_
ET No
❑' DWQ
W2 ❑ P ❑ T
❑ Yes
❑ Corps
El No
El DWQ
W3 ❑ P ❑ T
❑ Yes
❑ Corps
El No
❑DWQ
W4 ❑ P ❑ T
❑ Yes
' ❑'Corps
❑ No
❑ DWQ
W5 ❑ P ❑ T
❑`Yes
❑ Corps
❑ No
❑'DWQ
W6 ❑ P ❑ T
❑ Yes
❑ Corps
❑ No
❑ DWQ
2g, Total wetland impacts,
2h Comments
3 Stream Impacts
If there are perenrnal'orintermittent stream impacts (mcluding'temporary impacts) proposed on the site, then complete this
question for all stream sites impacted '
3a
3b
3c
3d
3e
3f
3g
Stream impact
Type,of impact
Stream name
Perennial
TyPe of jurisdiction
Average
Impact
number -
(PER) or
(Corps - =404, 10
stream
length
Permanent (P) or
intermittent
DWQ — non -404,
width
(linear
Temporary (T)
(INT)?
other)
(feet)
feet)
Relocating
sections of
stream,
S1 ®P ❑ T
excavating
channel
Unnamed Trib To
® PER
® Corps
3
564
dimensions &
Hiwassee R
INT
DWQ
constructing
structures and
floodplaors
Excavating
channel
S2 ® P ❑ T
dimensions &
Unnamed Tnb To
® PER
® Corps
4
634
constructing
Hiwassee R
❑ INT
® DWQ
structures and
floodplains
Excavating
S3 ®P ❑ T
channel
Unnamed Tnb To
® PER
® Corps
3
109
dimensions &
Hiwassee R.
❑ INT
® DWQ
constructor -
Page 7 of 14
Page 8 of 14
structures and
floodplains
S4 ❑ P ❑ T
_
❑ PER
❑ INT
❑ Corps
❑ DWQ
S5 ❑ P ❑ T
❑ PER
❑ INT
❑ Corps
❑ DWQ
S6 ❑ P ❑ T
❑ PER
❑ INT
❑ Corps
❑ DWQ
3h Total stream and tributary impacts
1,307 ,
3f Comments
4. Open Water Impacts
If there are proposed impacts to lakes, ponds,'estuanes, tributaries, sounds „ the Atlantic Ocean, or any other open water of
the_,'U S then,indiv Ually list all o en.waterrim acts below _
4a
Open water
impact numbe "r —
Permanent (P) or
Temporary T _
4b -
Name of waterbody
(if applicable)
4c
Type of impact
4d
Waterbody type
4e
Area of,impact (acres) -
01 ❑P ❑T
02 ❑P ❑T
03 ❑ P ❑' T
04 ❑ PEI T
0. Total open water impacts
4g Comments T
5 Pond or Lake Construction
If pond or lake construction proposed, then complete the chart below
5a
Pond ID
number
5b I
Proposed use or purpose
of pond
5c
Wetland Impacts (acres)
5d
Stream Impacts (feet)
_ I
5e
Upland
_(acres)
Flooded
Filled
Excavated
Flooded
-
Filled
Excavated
--
Flooded
'P1
P2
5f. Total
5g Comments
5h Is,a dam high hazard permit required
❑ Yes ❑ No If yes, permit ID no
51 Expected pond surface area,(acres)
5j Size of pond watershed (acres)
5k Method of construction
Page 8 of 14
6. Buffer Impacts (for DWQ)
If project wdl,impact a protected riparian
buffer, then complete the chart below
If yes, then individually hst4l buffer impacts
below If any impacts require mitigation,,
then you MUST`,fill out Section D
of this form
6a
❑ Neuse
❑ Tar - Pamlico ❑ Other
Project is in which protected basin?
❑ Catawba
❑ Randleman
6b
6c
6d
6e
6f
76g
Buffer impact
number—
Reason
Buffer
Zone 1 impact
Zone 2 impact
Permanent (,P) or,
for
Stream name
mitigation
(square feet)
(square,feet)
Temporary T
' impact
re uired9
61 ❑P ❑T
❑Yes
-
❑ No
B2 ❑P ❑T
El Yes
❑'No
B3 ❑P ❑T
El Yes
❑ No
6h Total,buffer impacts
61 Comments
i Page 9 of 14
'D Impact Justification and Mitigation
1. Avoidance and Minimization
la Specifically descnbe'measures taken to,avoid or minimize'the proposed impacts in designing project
Erosion control measures shall be implemented to cover all exposed soil using native seed, mulch, and
erosion control matting where appropriate. Riparian type trees an d shrubs shall be planted for long -term
site stabilization.
Construction of in- stream structures would temporarily increase turbidity and sediment deposition
downstream of the excavation Potential adverse impacts would be avoided by mirnmizing excessive .
excavation and adhering to the State turbidity standard -
b Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques
A Min,mi e the area and degree of soil disturbance that reduces infiltration capacity and permeability, and destroys
protective forest floovand ground cover 'Lmm clearing,of vegetation to, the nim,mum required,for the project
B All hazardous, materials will be stored outside of flood -prone areas and surrounded with sedmient;fence to reduce the risk
of materials reaching the river
C Work activities would4lot be�scheduled,on rainy days
D Heavy Equipment Operation
1 All equipment,shall'be cleaned before entering the project area,and stream, so as to reduce the risk of fine gramed
sediment and oils and grease from entering the stream
2 Do not operate on wet soils when they are most susceptible to damage and erosion
3 Operate heavy equipment on slopes less than 12 percent so as to reduce the nsk of soil erosion Do not operate
heavy, equipment on over -hanging stream banks
4 Move large woody debris and boulders in a manner that minimizes disturbance of the `forest floor, exposure of
mineral soil, or degradation of stream bank stability
E Install sediment fence to trap potential sediment Stabilize any disturbed-area at'the end of each workday
F iRe- vegetate exposed,soils as soon as possible to take advantage of the loose soil conditions for seeding
1 Exposed soil near streams will be covered with mulch or erosion control matting at the end of each workday
Matting will be secured,m,place with stakes and live stakes where conditions allow
2 Seeding will occur on all bare soil within five days of ground disturbing activities to provide long -term erosion
control
G Do+not,move sediment trap devices until the vegetation m the disturbed areas has been established
H During on -going operations inspect the site frequently, inspect occasionally during inactive periods
1 Check for potentially damaging or failing situations that may cause unacceptable water quality impacts
2 Correct ailing situations as soon as practical
1I Conduct visual mspections of the unnamed tributary while- the work is being conducted to maintain, acceptable turbidity
levels
Use a skilled heavy equipment operator, trained in stream restoration and construction of in-stream structures Instruct the
operator to minimize disturbance to the streambed
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a Does the project require-Compensatory Mitigation for
❑ Yes ® No
impacts to Waters, of the U S or Water's of the, State?
2b If yes, mitigation is required by (check all that apply)
❑ DWQ ❑ Corps
❑ Mitigation bank
2c If yes, which mitigation option wdl'be used for this
[T Payment to 'in-lieu fee program
project
❑ Permittee Responsible Mitigation
Page 10 of `14
PCN Form — Version 1 3 December 10, 2008 Version
3. Complete if Using a Mitigation Bank
3a Name of Mitigation Bank
3b Credits Purchased (attach receipt and letter)
Type
Quantity
3c Comments
4. Complete if Making a Payment to In -lieu Fee Program
4a Approval letter from in -lieu fee program is attached
❑ Yes
4b Stream mitigation requested
linear feet
4c If`using'stream mitigation, stream temperature_
El warm, El cool ❑cold
4d Buffer mitigation requested (DWQ only)
square feet
4e Riparian wetland mitigation requested-
acres
4f -Non- npanan wetland mitigation requested
acres
4g Coastal (tidal) wetland mitigation requested
acres
4h Comments
5. Complete if Using,a Permittee Responsible Mitigation Plan
5a If using,a'permittee responsible mitigation plan,,provide a description of the proposed mitigation plan
6. Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWQ
6a Will the project result in an impact within a protected riparian buffei that requires,
buffer mitigation? If yes, you will have to fill out this entire_ form — please
contact the State for more information
0 Yes ® No -
6b If yes, then identify the square feet ofimpact to each zone of the riparian buffer that requires mitigation Calculate the
amount of mitigation required
Zone
6c
Reason for,impact
6d
Total impact
(square feet),
Multiplier
6e
Required mitigation
(square.feet)
Zone 1
3 (2 for Catawba)
Zone 2
1 5
6f Total buffer mitigation required:
6g If buffenmitigation is`required, discuss what typepof mitigation is, proposed (e g , payment to private mitigation bank,
permittee responsible riparian buffer restoration, payment into an approved'm -lieu fee fund)
6h Comments ,
Page 11, of 14
E., Stormwater Management and Diffuse Flow Plan (required by DWQ)
1.
Diffuse Flow Plan
la Does the project,mclude or is it'adjacent ;to protected riparian buffers identified
❑ Yes ® No
within one of the,NC Riparian Buffer Protection ,Rules?
lb
If yes, then�'is a.diffuse flow plan,included? If °no, explain why
❑ Yes El No
Comments
2.
Stormwater Management Plan
2a
What`is the overall percent imperviousness of this project?
-0%
2b
Does this project, require a Stormwater,Management Plan?
❑ Yes ® No
2c
If this project DOES NOT require,a Stormwater Management Plan, explain why The current site contains less than
24% impervious area and an increase in impervious area is not planned from the
proposed work Additionally, all_
stormwater is transported primarily via vegetated conveyances
2d
If this project DOES require a Stormwater Management Plan, then provide a brief-, narrative description of the plan
❑ Certified Local Government
2e
Who will be responsible for the review of the Stormwater Management Plan?
❑ DWQ Stormwater'Program
❑ DWQ 401 Unit
3.
Certified' Local Government Stormwater Review
3a
In which local government's jurisdiction is this project?
❑ Phase II
3b
Which of the following locally - implemented stormwater management programs
❑ NSW
❑ USMP
apply (check all that apply)-
_
❑ Watee Supply Watershed
❑ Other
3c
Has'the approved Stoemwater Management Plan with proof of'approvakbeen
❑ Yes ❑ No
attached? v
4.
DWQ Stormwater Program Review
❑ Coastal counties
❑ HQW
4a
Which of the following state - implemented stormwater management programs apply
❑ ORW
.(check all, that apply)
❑ Session Law 2006 -246
❑ Other -
4b,
Has the approved Stormwater Management Plan with proof of approval been
attached?
❑ Yes ❑ No
5.
DWQ 401 Unit Stormwater Review
5a
Does the Stormwater Management Plan meet,the appropriate requirements?
El Yes El No
5b
Have all of the 401 Unit submittal requirements been met?
❑ Yes ❑ No
Page 12 of 14
• PCN Form — Version 1 3 December 10, 2008 Version
0
F.
Supplementary Information
1.
Environmental Documentation (DWQ Requirement)
la
Does the project involve an expenditure, of public,(federal /state /local) funds or the
® Yes ❑ No
use of public (federal /state) land?
lb
If you answered "yes" to the above, does the protect {require preparation of'an
environmental document pursuant to the requirements of the National or State
® Yes ❑ No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1c
If you answered "yes" to the above, has the document review been finalized by the
State Clearing House? (If so, attach a copy,of the,NEPA or SEPA final approval
® Yes ❑ No
letter )
Comments The:Decision Memo is attached
2.
Violations (DWQ Requirement)
2a
Is the site in violation of DWQ Wetland Rules (15A NCAC 2H 0500), Isolated
Wetland Rules (15A NCAC 2H 1300), DWQ Surface Water or Wetland Standards,
❑ Yes ® No
or Riparian Buffer Rules -(15A NCAC 2B 0200)?
2b
Is this an after - the -fact permit application?
❑ Yes ® No
2c
If you answered "yes" to one or both >of the above questions,, provide an explanation of the violation(s)
3.
Cumulative Impacts (DWQ Requirement)
3a
m
Will this protect (based on past and reasonably anticipated future impacts) result m
0 Yes, ®No
additional development, which! could impact nearby downstream water quality?
3b
If you answered "yes" to the above, submit a qualitative,or quantitative cumulative impact analysis, in accordance,with the
most recent DWQ policy If you answered "no," provide a short narrative description
4.
Sewage,Disposal (DWQ Requirement)
4a Clearly detail the ultimate treatment methods and disposition (non -discharge or discharge)
of wastewater generated from
the proposed protect„ or,available capacity of the subject facility
contractors-will use facilities at the Ranger Station
Page 13 of 14
PCN Form,— Version 1 3,December 10, 2008 Version
5. Endangered'Species and Designated Critical Habitat (Corps Requirement)
5a Will this project occur in or near an area wift federally protected specie&or
El Yes ®No
habitat
5b Have you checked with_the liSFWS concerning Endangered Species Act
Yes ❑ No
impacts?
5c If yes, indicate the USFWS Field Office you have contacted
❑ Raleigh
® Asheville
5d What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
I consulted the NC Natural Heritage Database�(Jan 201'1 update) and the US FWS website to obtam'species information
6. Essential Fish Habitat (Corps Requirement)'
6a Will this project occur in or near an,area designated as essential fish habitat?
❑ Yes ® No
6b What data sources did you use to determine whether your site would impact Essential Fish Habitat?
'Data source is NOAA website
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a Will'this project occurin or near an area that the state, federal or tribal
governments have designated as having historic or cultural preservation
® Yes ❑ No
status ('e g , National Historic Trust designation or properties significant in
North Carolina history and,archaeology)?
76 What data sources did you use to determine,whether your site,would impactihiMoric or, archeological resources?
NFsNC Cultural Resources database, Trail of-Tears NHT report SHPO report is attached
8. Flood Zone Designation (Corps - Requirement)
8a Will this project occur in a FEMA - designated 100- yearftodplain?
® Yes ❑ No
8b If yes, explain how project meets FEMA tegwrements No development will occur with this work, therefore there Is no
.change in flood heights associated,with this project
8c What,source(s) did you use to make the floodplain determination? FEMA online Map Service Center floodplain map
Brady N. Dodd
,7 /
a
Appl can Agent's Signature
Applicant/Agent's Printed Name
(Agent's signature is valid onlyrf an authorization letter4rom the applicant
is provided
Page 14 of 14
Forest
S Service
File Code 2500
Route To: (2500)
National Forests in
North Carolina
Subject: Delegation of Authority
To. Brady Dodd
,160 Zillicoa St, Ste. A
Asheville, NC 28801 -1082
828 725,7 4200
Date:, June 21, 2012
You ate hereby delegated the authority to act as my agent,for all phases of the' application
process for permits, required by Section 404 of the, Clean Water Act, for Watershed restoration
and improvement projects such as aquatic habitat restoration and enhancement, habitat
restoration, channel stabilization, and' channel relocation,on the National Forests in North
Carolina. You are authorized to make formal application for all permits to the U S Army Corp
of Engineers and the North Carolina Division of Water Quality„ provide all necessary
information, and sign all correspondence
,Include this letter as part of all application for Section 404 permits to the U S Army Corps of
Engmeers'and Section 401 Water Quality,Cerfification to the North Carolina Division of Water
Quality ,
��L -/_�
RISTIN M BAIL
orest Supervisor
USDA
America's Working Forests - Caring Every Day in Every Way Printed on Recycled Paper
USDA
'United States
'Department ,of
Agriculture
Forest,
Service
MemoJune 201 °3 uiec i ion
Tribe Dry to 'the Hi arse ;Rive°
Streakn Stabillizetriont Project,
Tusquitee RangerfDistrict , Nantahala Natignal Forest
Cherokee County, North Carolina,
For Additional' Information Contact: Tusquitee,Ranger,District
Fi '-
123 Woodland Drive
Murphy; North Car6lina,28906
,(828) 837 =5152,
Decision
I,have decided to carry out activities needed to stabilize the banks of a tributary to the Hiwassee
River that is located on Forest Service' property near the Tusquitee Ranger District office and
workcenter in Murphy, North Carolina Heavy equipment will be utilized to reconstruct a stable
stream channel using natural channel design techniques The stream bed elevation will be,raised
two to three feet above the current elevation to reestablish connectivity to the floodplain,
decreasing entrenchment.
Disturbance may occur within 100 feet either side of the existing channel. The type of
disturbance wilf be, excavation of°th'e new channel with a tracked- hoe,,filhng in of sections of the
existing channel with soil from the stream excavation and hauled in from an-off-site source, and
the movement of the track -hoe and dump trucks over the area: All disturbed area would be
seeded with native grass seed and mulched, and streambariks would,be seeded and matted with
erosion control matting and planted, with riparian `type vegetation,.
Reasons-for Categorical Exclusion of Project
Decisions may categorically excl`uded,from documentation in an Environmental Impact
'Statement or Envuonmental,Assessment when they are within one of the categories identified in
the Code of Federal Regulations 36 CFR 220, and when there'are no extraordinary circumstances
related to,the proposed action This project is excluded under 36 CFR,220 6(e)(7,): Modijlcation
or maintenance of stream or,'lake aquatic habitat improvement.structures using native materials
or normal practices
a: Federally listed threatened or endangered, species (TES) or designated critical
habitat, species proposed for Federal listing or proposed critical,habitat, or
regionally sensitivV(S) species
A biological, evaluation completed in, ApriL2013 determined that, the action, would have
no effect on any °proposed, threatened, or endangered species becausemone occur, within
the project area.
b., Floodplains, wetlands;,or municipal watersheds
Project activities would occur °adjacent to4stream channels, but the project will not have
any adverse effects on floodplains, wetlands, or municipal watersheds. Best management
practices will be utilized to protect water quality
c. Congressionally designated areas_ , such as wilderness, wilderness study areas, or
national recreation areas
No project activities are proposed in any congressional designated areas
d. Inventoried roadless areas (IRAs)
No project activities are proposed in any IRAs
e. Research - natural areas (RNAs)
The project area does not,include any RNAs
L American Indian and Alaska Native religious or,cultural sites, archaeological sites,
,or historic properties or areas
An archeological review completed in November 2012 deterrrnned that the all project
activities,are classified as Exempt Undertakings-
Purpose and,Need for the Action
Restoring the natural function of =this reach of stream would reduce stream channel,erosion and
improve, aquatic habitat, water quality, and visual quality Additionally, there is an opportunity
for community'involvementaand education The reach is approximately 1,000 feet long, starting
at the upstream end at the,culvert outlet on King,Street down to the confluence with the
Hi'awasee,River. Currently the stream, is unstable with excessive levels of erosion and aquatic
and riparian habitat is degraded.
This decision will, implement direction in the Nantahala and Pisgah National Forests Land and
Resource Management Plan to enhance riparian values (Forest Plan p.III -181).
Scoping and Public Involvement
The - purpose of scopmg is to determine the issues and concerns related to the actions. On June
28, 2012, a letter` was sent to persons, agencies, and organizations known to be involved in
national forest management protects on the Tusqurtee Ranger District. Legal notice imtratmg a
formal 30 -day scoping and notice and comment period was published in the Cherokee Scout on
June 28, 2010. Two,comments were received during the 30 -day period. Both were supportive of
the project
Findings Required by Other Laws
Forest Plan Consistency — The actions in this decision are consistent with the Land and Resource
Management Plan (LRMP) for the Nantahala and Pisgah National Forests and all amendments to
the Forest Plan.
Endangered Species — Implementing the actions in this decision wrll,not affect threatened or
endangered species, or result in loss of any other species' viability, or,create significant trends
towards Federal listing of the, species under the Endangered Species Act
Cultural Resources — the actions in thrsAecrsron will not adversely affect any sites, listed, or
eligible for listing, in the National Regr`ster,of, Historic °Places, nor, will they cause the loss or
destruction of significant scientific,,cultural or historic resources
r
Notice, Comment, and Appeal Opportunities
Since only supportive comments were received, this decision is not subject to appeal pursuant to
36 Code of Federal Regulation (CFR) 215 12 -, -
Implementation Date
IF
As per 36 CFR 2115 7(b), implementation of this.decision may occur immediately.
LAUREN STULL Date
,Distnct :Ranger, Cheoah PTusquitee Ranger District
•
4lll■ .1
North Carolina Department of Cultural Resources
State Historic Preservation Office
Ramona M Bartos, Administrator
Pat McCrory, Governor Office of Arctnves and history
Susan'W Kluttz, Secretary Division of Mstoncal Resourrcess
Kevin Cherry, Deputy Secretary David Brook, Director
March 27, 2013
Lynn L Hicks
Engineering, Heritage Resources and Recreation Staff Officer
National Forests in North Carolina
160 Zillicoa Street, Suite A
Asheville,.NC 28801 -1082
Re Cultural Resources Survey for the Proposed Hiwassee Stream Stabilization Project,
Tusquitee Ranger District; Nantahala National Forest, Cherokee, County, ER 13 -0402
Dear Mr Hicks
Thank you for your letter of February 20, 2013, transmitting the archaeological survey report by Andrew
Triplett for the above project
During the course of the survey, one prehistoric site (310E789) was located within the, project area Due to the,
lack of'intact subsurface deposits, Mr Tnplett.has recommended that no further archaeological investigation be
conducted in connection with this project, We, concur, with this recommendation since the project will not
involve;sigruficant archaeological resources
The above comments are made,pursuant to Section 106 of the National Historic Preservation Act and the
Advisory Council on Historic Preservation's Regulations for Compliance with Section 106 codified at 36 CFR
Part 800
Thank•you for youvcooperation and consideration If you have questions concerning the above comment,
contact Renee Gledhill - Earley, environmental review coordinator, at 919- 807 -6579 or renee gledhill-
earlev Qncdcr gov In all future communication concerning this project, please cite the above referenced
tracking number
Sincerely,
amona M Bartos
Location 109 East Jones Street, Raleigh NC 27601 Mai4ng Address 4617,Mail Service Center, Raleigh NC 27699 -4617 Telephone /Fax (919) 807 - 6570/807 -6599
Erosion and Sediment Control Plan
for the
Tributary to Hiwassee River Stream Restoration Proiect
Cherokee County, North Carolina
USDA Forest Service
_Nantahala National Forest
Tusquitee Ranger District-
rows
�U S
USDA Forest, Service
National Forests in North Carolina
160 Zillicoa Street, ,STE A
Asheville, NC 28801 -1082
Prepared by
Brady Dodd, Hydrologist, National Forests in NC
1
TABLE OF CONTENTS
Section
Page
1.0
Project Description
3
1 1
Site Description
3
1.2
Goals and Objectives
3
1.3
Planned Work
3'
1.4
Site Disturbance
3
1 5
Property Ownership
3
16
Soil Types
4
2.0
Erosion and Sedimentation Coritrol_Measures
4
21
BMP's Common to -all work
4
2.2
Upland Sites
5
2.3
Stream Banks
5
2.4
Construction Schedule
5
25
Maintenance Plan/Inspection Schedule
6
26
Permanent Erosion and Sediment Control
6
3.0
References
6
4.0
Figures
7
Appendix A — Details and Specifications
13
Tributary to Hiwassee R. Stream Project Page° 2
1.0 Project Description
I I Site, Description
This project, located on the Tusquitee Ranger District, Nantahala National Forest in Cherokee
County, North Carolina, proposes to construct a stable stream ecosystem using natural channel
design techmques.
The 1,307 feet reach of stream is on the 100 -year floodplain of the Hiwassee River at the
Tusqurtee Ranger Station property in Murphy, NC (Figure 1) This area has been impacted by
Native American villages, farming, flooding, and' development. Current impacts to the stream
include increased peak flows from compacted areas in the watershed, mowing of stream bank
vegetation; an entrenched stream channel without adequate floodplain access, lateral stream
channel instability, and non - native invasive plants (Figure 2). As a result, sections of stream
bank within the reach,are unstable; aquatic habitat diversity is lacking, and streamside and
alluvial forests are degraded
12 Goals and Objectives
The goals and objectives of this`project are to establish a new channel dimension, pattern, and
profile based on reference reach information, thus restoring natural form and function The
project will improve the health of the stream ecosystem by improving channel stability and,
habitat quality, .along with improvingnparian and streamside vegetation conditions The desired
condition is to have high quality riparian areas and aquatic habitat features that maintain
hydrologic function, enhance stream stability, and minimize erosion.
14 Site Disturbance
Total potential disturbed area equals approximately 3 0 acres, assuming a 100 feet disturbance
width over the 1,307 feet long reach. The largest potential disturbance areas include those where
stream banks are sloped back to a stable angle and new floodplains are constructed All disturbed
stream banks will be stabilized with Coir matting and planted with native trees and shrub to
reestablish a healthy npanan, and streamside area Floodplains and new stream banks will be
constructed with local, soil and, capped with -grass sod mats from the site. All areas impacted by
heavy equipment (soil disturbance) will be seeded with native grasses
Construction of a stable meander pattern and rock and log structures will alter the hydraulics of
much of the stream reach and help stabilize banks and create and maintain aquatic.habrtat
features, a g., pools During the construction of these,features, turbidrtywill increase, but they
will reduce adverse water quality impacts associated with stream bank erosion over the long-
term. Mechanical treatment of invasive plants will not impact water quality
1 5 Property Ownership,
The project area lies' entirely within National Forest Service land_
Tributary to Hiwassee R. Stream Project Page 3
16 Soil Types-
Soils in the project area include Rosman loam (RSA) and Statler -Urban land complex (SuB)
(Figure 4). Both soils occur"on a low slopes with some occurrence of flooding since they are on
the floodplamn of the Hiwassee River. Rosman loam is low elevation floodplam derived from
alluvium It is well drained and considered prune farmland The Statler -Urban land complex is a
higher elevation floodplam or terrace also derived, from loamy alluvium It is well drained, rarely
flooded and not.considered prime farmland (MRCS, Web Soil Survey).
2.0 Erosion &'Sedimentation Control Measures
2 1 BMP's Common to all work
The contractorawill be directed to implement the following BMP's to control erosion and
sediment from the°work site.
A Minimize the area and degree of soil disturbance that reduces infiltration capacity and
permeability, and destroys, protective forest floor and ground cover Limit clearing of
vegetation to the minimum required for .the project.
B All hazardous materials will be stored outside of flood -prone areas and surrounded with
sediment fence to reduce the risk of materials reaching the river
C. Work activities would not be scheduled on rainy days
D_ Heavy Equipment Operation.
1. All equipment shall be cleaned before entering the project area and stream, so as
to reduce the, risk of fine grained sediment and oils and grease from entering the
stream
2. Do not operate on wet soils when they are most susceptible to damage and
erosion.
3 Operate heavy equipment on slopes less than 12 percent so as to reduce the risk of
soil erosion Do, not operate heavy equipment on over, - hanging stream banks.
4 Move large woody debris and'boulders,in a manner °that mimmi'zes disturbance of
the forest floor, exposure of mineral soil, or degradation of stream bank stability.
E. Install sediment fence or coir logs to trap potential sediment Stabilize any disturbed area
at the end of each workday.
F. Re- vegetate exposed soils as soon as possible to take advantage of the loose soil
conditions for seeding.
1. Exposed soil will be covered with,straw mulch or erosion control matting,ethe
end of each wor`kday.'Matting will be�secured'm place with stakes or live stakes
where conditions allow.
2. Temporary seeding will occur on all bare>soil within five days of ground
disturbing activities to provide long -term erosion control.
3. Stabilize channel banks with a temporary seed mix of wheat, millet, or similar
annual gram as work is completed
G Do not move sediment trap devices until the vegetation ,in the disturbed areas has been
established
Tributary to Hiwassee R. Stream Project
Page,4
H. During on -going operations inspect the site frequently, inspect occasionally dunng
inactive penods
1 Check for potentially damaging or failing situations that may cause unacceptable
water quality impacts
2. Correct failing situations as soon as practical
I. Conduct visual inspections of the stream while the work is being conducted to maintain
acceptable turbidity levels.
J Use a skilled heavy equipment operator, trained in stream restoration and construction of
in- stream structures. Instruct the,operator to minnmze disturbance to the,streambed.
2 2 Upland'Sites
Upland sediment control will be provided at temporary access routes and staging, areas Silt fence
will be ,mstalled between these areas and the stream, and will remain in place until vegetation is
established See Appendix A for Silt Fence details
2 3 Stream Banks
Sediment control from stream bank excavation will be provided by the installation of coir logs at
the toe of the bank where needed and by proper handling of excavated soil. See Appendix A for
Coir Log details
2 4 Construction Schedule
Construction activities shall occur dunng a four week penod. See Figure 5 for Section locations
Following is the � Construction Schedule for the project
Section A•
• Reconstruct the channel and enhance existing floodplain formation at the existing channel
elevation within the confined "gully ". Construct a stable stream channel using natural
channel design techniques - a Rosgen "B" stream type The sinuosity of the channel would
decrease inside the bounds of the "gully" as guided by reference reach information (Figure 6
and 7).
• Disturbance could occur within 50 feet either side of the existing channel Soil disturbance
would include excavation of the gully banks to a stable angle, and construction within the
channel of floodplains and several instream structures made from trees and boulders. Soil
excavation would likely exceed fill matenal; therefore excess soil would be removed from
the site by the contractor Additional disturbance would include -the movement of equipment
over- the area.
Section B:
• The,current location of this channel would remain and structures would be used to stabilize
`the channel, and create a Rosgen `B" stream type.
• Retrofit the FSR 319 crossing with a boulder structure at the outlet to promote back water
into the pipe for aquatic organism passage.
Tributary to Hiwassee R Stream Project Page 5
Disturbance could,occur within 50 feet of the left downstream side, of the' existing channel
Type,of disturbance would include excavation of steep stream banks to a stable slope,
construction of floodplains, and construction of,structures, and the movement of equipment
over the area
General:
All disturbed area would be seeded with native grass seed and mulched, and stream banks would
be seeded and matted with erosion control matting and vegetation transplants, and planted with
native riparian type vegetation.
2 S Maintenance Plan /Inspection Schedule
1 All erosion and sediment control practices will be checked for stability and +operation
prior to and after runoff- producmg,ramfall events.
2 Routine monitoring of the entire site will occur daily
3. Any needed repairs will be made immediately to maintain all practices as designed
4. Temporary barrier structures will be inspected on a daily basis to insure functionality.
5 All seeded areas will be reseeded as necessary, and mulched to maintain a vigorous,
dense vegetative cover
6 Contmue`to minimize access,to the property This will prevent damage to already re-
vegetated areas
2 6 Permanent Erosion and Sediment Control
Only natural stream design materials, will be used for permanent stabilization, uicludmg boulders,
and logs placed -in the stream to form rock °and log vane structures In addition, ,planting of
native nparian vegetation such as elderberry, silky dogwood, silky willow, tag alder, black
willow, and sycamore will take place.
3.0 Refetence
NRCS Web Soil Survey http dwebsoilsurvey nres.usda gov /app/
Tributaryto Hiwassee R Stream Project Page 6
4.0 Figures
Figure 1. Project vicinity map.
Figure 2. Photos of site in Section A.
Tributary to Hiwassee R. Stream Project Page 7
Figure 3. Surveyed plan view of existing condition.
Tributary to Hiwassee R. Stream Project Page 8
e E7MM WEE
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Tributary to Hiwassee R. Stream Project Page 8
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Figure 5. Sections of work for construction reference.
Tributary to Hiwassee R. Stream Project Page 10
PAMID ROAD
CLDM+ AAID MARfVAk D6STM0
CLLMT M
o
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PAViD RCA] �. RKWIC F"AP RL
MOTES: \
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K S1OPi ROAp.
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033- 3CCTDR r1rolm o.L%"T
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Figure 6. Plan view of proposed action.
\liUliRT
R4W�� IdK
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(MAT 20, K+0)
f1 f1• f1•
Tributary to Hiwassee R. Stream Project Page 11
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033- 3CCTDR r1rolm o.L%"T
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Figure 6. Plan view of proposed action.
\liUliRT
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(MAT 20, K+0)
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Tributary to Hiwassee R. Stream Project Page 11
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(green line).
Tributary to Hiwassee R. Stream Project Page 12
Width =
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Figure 7. Cross section view of two locations, representing existing condition and proposed
(green line).
Tributary to Hiwassee R. Stream Project Page 12
Appendix A
DETAILS AND SPECIFICATIONS
LOCI VANE
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TpT1Ol�
mm rue
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-
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PLAN, VIEW
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/
SECTION A -A SECTIDN B -d
d
'
NOTES,
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CROSS- SECTIDN
NOTESi SECTION B-B
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'Tributary to Hiwassee R. Stream Project 1 Page 13
DOUBLE DROP ROCK CROSS VANE
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SECTION B-B
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Tributary to Hiwassee R Stream Project Page 14
Stabilization of Vertical Banks on outside Meander Bend
e Kees eoo Construction of Bankfull Bench using TOE WOOD /SOD MAT DETAIL
EXCAVATCD BANK MATERIAL
CONSTRUCTION ITEMS AND
SEQUENCE:
• Excavate high bank to construct a ,.`
2:1 slope from bankfull to terrace
l r .................... .............. BanktulLDlavaUan .....................
elevation
• Excavate & construct toe wood
bench and new channel pool
feature based on reference pool 4 , SOD MAT
dimensions i
• Place trees/logs/tops on toe wood '4'
bench 8 in toe of bank below low
Low flow Elevation
- - - -. ---'--• -
flow
• Place willow cuttings/bundles on -_
toe wood - -
• Excavate sod mats (using a front TOE WOOD
end loader) or shrub transplants ____ ------------ Pragoo@(NCtion
(e.g. alder, willow) and place on toe Channel Bottom -
wood up to bankfull elevation T. lye FOOTER
• Seed bank with native grass seed FOOTER LOGS
• Cover sod mat and sloped bank
with coir erosion control matting Channel Botom
• Plant willow/silky
dogwoodlelderberry cuttings into
relocated sod mat and bank to help
'pin* sod into bank
TOE WOOD /SOD MAT INSTALLATION — Cross Section
T—.--
JE—n. straambenL
F— pf—elev 1-
BU11dWl elewtion__.__ —.....
Low no-w Ner�EOn
Figural Current condition characterized by over - widened bankfull channel, shallow depth where a deep meander pool should be.
and high eroding bank
2:1
Fig-2 Final grade of new channel cross section compared to current oondNon Note a narrowing and deepening of the bankfull
channel and sloping back of high eroding bank from bankfull up at a 2 to 1 slope.
TOP OF SOD AT
BANKFULL ELEVATION LOGS AND TREE TOPS PLACED
BELOW LOW WATER ELEVATION
Figure 3. Final grade and construction of Toe Wood/Sod Mal. Note further narrowing of the bankfull channel to meet reference
conditions. Sod mat could be replaced with transplants of shrubs. Mat would be covered with coir and planted with livestakes.
Tributary to Hiwassee R. Stream Project Page 15
EROSION CONTROL,SPECIFICATIONS AND DETAILS
Seed an&Mulch
Seed Planting Summary Table
Scientific Name
Common Name
Planting Density
El mus vir inicu_s
Virginia wild rye
22 lbs /acre
Festuca ,rubra
Creeping red fescue
5 lbs %acre
A rostis alba
Redtop,
2 lbs /acre
Dichanthelium clandestinum
Deeitongue
2 lbs /acre
Materials
All materials shall meet the approval of the Designer Seed material shall consist of species in the "Seed Planting
Summary Table" above
Installation
Planting seed shall occur within 1 day of ground disturbing activities The method of seeding may be
vaned by the Contractor under his/her responsibility to provide a healthy, vigorous, weed free and disease
free uniform stand of grass Seed shall be immediately covered with straw mulch in quantities to cover at
least,50 percent of the ground surface On,stream banks, biodegradable matting shall be placed'to hold
seed and soil in place Above are native grass species to be sown and their seeding density
Maintenance shall begin immediately after seeding operations and continue until Final Acceptance
Maintenance of seeded areas shall consist of watering, weed and pest control, erosion repair, reseeding
and incidental operations as,necessary to establish a healthy, vigorous, weed free and disease °free uniform
stand of grass All areas that fail to show a uniform stand of grass for any reason shall be treated
repeatedly until a umform ,stand of at least 90 %coverage is attained with no bare area greater,than five
square feet
Basis of Payment
Payment for installation of seed and mulch will be paid for as outlined This payment shall be considered full
compensation,for all labor, equipment, furnishing materials „hauling, rehandling, sorting, materials, and
incidentals necessary to seed and mulch
Payment will be made under
'Seed and Mulch
Matting
SQUARE YARD
Materials
All materials shall meet the approval of the Designer and include Coir fiber mat 700, a double net straw blanket
with biodegradable netting, wooden stakes, nand live stakes,
Installation
Coir fiber mat 700 shall be used on the lower stream bank,up to the bankfull elevation ,Above,bankfull
on slopes to the stream, a double net straw blanket with biodegradable netting shall be used The matting,
shall be fastened m, place using wooden,stakes Dunng,the following plant dormant season, live stakes,
shall be planted inAhe matting from water's edge to dust above bank'f ill Species include silky dogwood
101
(Corpus ammonum), black willow (Salix mgra), silky willow (Salix sencea), and common elderberry
(Sambucus canadensis) found and cut locally
Provide stakes made of hardwood with a hook to anchor matting Stakes shall be installed to no less than
1 foot deep for use on side slopes and no less than 3 feet for, areas at'the toe of the slope and along the top
edge of matting
Place the matting upon final grading, following seed and mulch application Provide a smooth soil
surface free from stones, clods, or debris which will prevent the,contact of the matting with the soil
Unroll the matting starting at the bottom of the slope and apply without stretching such that it will lie
smoothly but loosely on the soil surface Bury the top end of each piece of matting in a narrow trench at
least 6 in (150 mm),deep and tamp firmly after�staking with evenly,spaced stakes Stake' the matting
according to the manufactures recommended pattern for specific product and slope Where one roll of
matting ends and a,second roll begins, install mattmg end- over -end with approximately 6 inches of
overlap Stake through overlapped area using 5 stakes Install stakes across the matting at ends,
functions, and trenches approximately 13 feet apart See the figure below for the Erosion Control
Matting Detail
Basis of Payment
Payment for installation of matting will be paid for as outlined This payment shall,be considered full compensation
for all labor, equipment, f im shingmatenals, hauling, stockpiling, rehandlmg,,sorting, fitting, matenals,,and
incidentals necessary to install matting
Payment will be made under
Matting SQUARE YARD
EROSION CONTROL MATTING DETAIL
TOP OF BANK
EROSION CONTROL
BLAW TFROM BANKFUL'L
TO V ABOVE TOP OF BANK,
COVERING,SEED \
700 GRAM COIR MATTING BANKFULL I V LONG
FROM TOE,OF BANK TO WOODEN
BANKFULL ELEVATION, NAILIN STAKE
COVERING SEED + TOP `OF 3'
STAKES
TOE OF I T LONG
Watelsurface, BANK -1, I WOODEN
STAKE
Tributary to Hiwassee R. Stream Project Page 17
Plantings
Description
Plantings shall be specified in each contract as to'type e g , container, bare root, and live staking
Plantings from containers shall be from one gallon containers and can be planted throughout the-year
Live staking and bare root planting shall occur during plant dormancy Bare root seedlings shall be 6 to
12 inches tall Below is a fist of woody vegetation species to be planted on stream banks and floodplams
Planting Plan Summary Table
Scientific Name
Common Name
Percent of
plantings
Spacing
feet
Container & Bare Root S
ecie_s:
Corpus ammonium
Silky-dogwood
15%
3
Clethra acumina_ta
Mountam'sweet pepperbush
15%
3
Betula, lenta
Sweet birch
10 %
6
Platanus occidentalis
Sycamore
100/0
6
Live Stake S ecies:
Cornus ammonum_
silky dogwood
30
3
Salixmi ra
black willow
20
3
Salix sericea
silky willow
20
3
Sambucus canadensis
common elderberry
30
3
Materials
All' matenals shall meet the approval of the Designer Live staking,plant material shall consist of species
shown in the Planting Plan Summary Table above
All plant material shall be harvested locally (within the same physiographic ecoregion) or purchased from
a local nursery All live, stakes shall be dormant at time ofacquisition and planting Live stakes shall' be
installed between November 15 and May 15 Live stakes shall be V2 - 1 ,' /z (12 -38 mm) in diameter and 2
to 4 feet (0 6-12 meters) in length
During preparation, the basal ends of the live stakes.shall be cleanlycut at an angle to facilitate easy
insertion into the, soil, while the tops shall be cut square or blunt for tamping All limbs shall be removed
from the,sides of the live cutting prior to,mstallati6n
Installation
Cuttings for live stakes shall be harvested in a manner such that they are cut, immediately put -into water
to be soaked for ten days, and then planted' immediately after the ten days, are completed Cuttings shall
remain wet until they are planted Outside storage locations should be continually shaded and protected
from wind and direct sunlight
Live stakes shall be tamped perpendicularly into the finished bank slope with a dead blow hammer, with
'buds•onented in an upward direction Stakes should be tamped until approxunately',3/ of the stake length
is within the ground
The area around each live stake shall be compacted by foot after the live stake has been installed One to
two inches shall be cut cleanly, off of the top of each stake (with Toppers) at an 'angle of approximately 15
degrees following installation
Any stakes that are split or,damaged during installation shall be removed and replaced
Tributary to Hiwassee R. Stream Protect Page 18
Basis of Payment
Payment for installation of plantings will be paid for as outlined This payment shall be considered full
compensation for all labor, equipment, furrmshmg materials, hauling, rehandling, sorting, materials „and
incidentals necessary to plant
Payment will be made under
Plantings
Temporary Coir Fiber Loe (roll)
EACH
Description
Coir fiber logs consist of tightly bound cylinders of coconut fiber (coir,fiber) held together by coin fiber
netting They are generally available in 10 to,20 foot lengths and are 10 to 12 mches.m diameter
Temporary coir filter logs are installed where silt fence is not-feasible, e g , at the toe of stream banks, to
trap and temporarily store sediment
Installation
Coir fiber logs are installed by,excavatmg a shallow (3 to 4 inches deep) trench�along the toe of the
stream bank The log is placed in,the trench so, that the bottom and back are in contact with the stream,
substrate and stream bank Stakes are then driven down along its side to hold it in place See figure
below 'Temporary Coir Fiber Log Construction Detail” for detail When the site has been stabilized with
erosion control matting, the coir fiber log shall be removed following the removal of any sediment
trapped behind the log Sediment shall be relocated to a stable site
Basis of Payment
Payment -for installation of coin fiber logs will be paid for as outlined This payment shall be considered full
compensation for all labor, equipment,, furrushing,materials, hauling, weighing, stockpiling, rehandling, sorting,
fitting, materials, and incidentals necessary to install the coin fiber log
Payment will be made under
Corr Fiber Log _ LINEAR FEET
Tributary to Hiwassee R. Stream Project Page 19
COIR FIBER
WOODEN BTAI� LOO
1
TEMPORARY
COIR FIBER LOG
WATER
ELL ATION S
CONSTRUCTION DETAIL
3 FDEEPTRENCH
TOP OF BANK
- 5
STREAM BANK TO BE SLOPED
BACK
COIR FIBER LO
TOE OF BANK
STREAM BE
INBTMIATION CdtfO.r bp..n IndtlM lr deWro
tnnMtlonpth h. ollM m.mwlw. Tblrobpt. dhtl.W,Ma. tlatth.
WOODEN STAKES
!.thin rid W h.ra h «nbdadb T. W.m.ublrt* rid from lark
Tributary to Hiwassee R. Stream Project Page 19
Temporary Silt Fence
Description
Furnish material, construct, maintain, and remove temporary siltt'fence in locations shown on the plans or
in locations that require surface drainage to be filtered
Materials
Posts
Provide steel posts meeting the following requirements
• Minimum 5 feet (1 5 meters) long
• Minimum 1 3/8 inches (34 9 mm) wide measured parallel to the fence
i. Minimum weight of 1 33F1b /,ft of length
• Equipped with an anchor plate with minimum area of 14 0 square inches (9,032 1 square mm)
• Have,a means of retauung wn=e,and fabric in the desired position without displacement
Woven Wire Fence
Provide woven wire fence meeting the followingrequirements
• Minimum 32 inches (812 8 mm') high
• Minimum 5 horizontal wires
• Vertical wires spaced 12 inches (304 8 mm) apart
• Minimum 10 gage top and'bottom wires
• Minimum 12 % gage all other-wires
Filter Fabric
Provide`Type 3 engineering fabric, Class A,or B` meetmg the requirements of Section 1056 of the
NCDOT Specification book
Attachment Device
Provide an approved attachment device (e g , plastic tie)
Installation
Install in locations as, shown on the plans or as,directed Install wire and fabnc as shown in, the plans
Class B synthetic filter fabric may be used without the woven wife fence backing, subject to the following
conditions a maximum post spacing of 6 feet (1 8 m), fabric is approved by the Designer, and post
spacing is inclined toward the runoff source, at an angle of not more than 20 degrees from vertical Install
posts,at a 10 feet (3 0 m) maximum spacing with wire support, with not more than 4 feet (1 2 m) of the
post appeanng above ground Attach filter fabric to the wire fence,on the upslope side of the post with
wire or other acceptable methods ,Overlap filter fabric a minimum of 18 inches (457'2 mm) at splice
points Install fabric that�is free of defects, rips, holes, flaws, deterioration, or damage See figure below
for detail
Basis of Payment
Payment for installation of silt fence°will be paid for as outlined This payment shall be, considered full
compensation for all' labor, equipment, furnishing matenals, hauling, weighing, stockpiling, rehandling,
sorting, fitting, materials, and mcidentals necessary to construct the silt fence
Payment will be made under
Silt Eence LINEAR FEET
Tributary to Hiwassee R. Stream Project Page 20
TEMPORARY PJC HOU TREROTH IRTEPPONTD tlEEDED
W rrxo ur vane uMx sx P Po ar
SEDIMENT/SILT FENCE
CONSTRUCTION'DETAIL ,aLDtt1.6Ul;,oT.
STEEL roSB 9 LONO
"wrrx PRDJECroxa
Installation
-qtep1 -
Drive steel'posts at least 12 in
into,ground and excavate a d1n _x
81n'trench uphill along the One of
post's
Step'?
Attach wire fenceto, posts and
extend the bottom ofthe fence
Bin into the excavated trench
Step 3
Attach the filterfabrlc to the wire
fence and,extend the bottom of
ttie fabric Bin -into the,trench
Step "4
Bac�ll, the trench and compact
fhe Sal firmlyto ^anchor the
bottom of the siltfence so that'
runoff Is`forced to go through the
Ance and cannot go;around It
1M LGAMEAR FOOT
STEEL POSE 0 LOBO
WITN FROJ87MIS
T-
12"MN
J
Poh01hC HT
fILTER FABRIC AMONED
SECBRELr To BPSTRew
SIDE OF POST
WNW
0XSTRENCx
t � WITH COnPACTED
BACKFILL
.� Howl
I �1�
l�
—°faros
TOKV a FACIKOWITHWIRE
SUPPORT FEKCE
S UAX SPACINOW ROUT
WxIESKFPO RT FENCE
PMURC HT
MAX I RUNDFF
12" WIN
!TANDARDOE E► AiTHRO rsoasis
TRENCH 1MTH NAOVE EA.CKRLL TRENCH 10.1 TH ORAVEL
NOTES,
1 INSPECTAND REPAIR FENCE AFTER EACH STORWEVENT &REMOVE SEDIMENT WHEN NECESSARY
2 REMOVED SEDIMENT SHALL' BE DEPOSITED TO AN AREAtTHAT WILL NOT CONTRIBUTE SEDIMENT OFF
&' CAN'BEPERMANENTLYSTABILIZED `
3 SILT FENCE SHALL BE PLACED ON SLOPE CONTOURS TO MAXIMIZEiPONUINO EFFICIENCY
0
Tributary to Htwassee R Stream Project Page 21
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