20020102 Ver 1_COMPLETE FILE_20020123

OF \N ITk
Michael F. Easley
Governor
William G. Ross, Jr., Secretary
Department of Environment and Natural Resources
Gregory J. Thorpe, Ph.D., Acting Director
Division of Water Quality
March 13, 2002
DWQ# 02-0102
Wilson County
Carolyn Aldridge
Fairview Nursery
4265 Lattice Road
Wilson, NC, 27893
APPROVAL of 401 Water Quality Certification and Neuse River Buffer Rules
Dear Mr. Aldridge:
You have our approval, in accordance with the attached conditions, to construct the Fairview Nursery Stream
Restoration Project in Wilson County, which will involve 600 linear feet of restoration of Contentnea Creek, as described in
your application received by the Division of Water Quality on January 23, 2002. After reviewing your application, we have
determined that this work is covered by General Water Quality Certification Number 3256 or 3257, which can be viewed on
our web site at http://h2o.enr.state.ne.us/ncwetlands . This Certification allows you to use Nationwide Permit Number 27
when it is issued by the U.S. Army Corps of Engineers. This approval is also valid for the Neuse River Buffer Rules (15A
NCAC 2B .0233). In addition, you should get any other federal, state or local permits before you go ahead with your project
including (but not limited to) Sediment and Erosion Control, Non-Discharge and Water Supply Watershed regulations. Also
this approval will expire when the accompanying 404 permit expires unless otherwise specified in the General Certification.
This approval is only valid for the purpose and design that you described in your application. If you change your
project, you must notify us in writing and you may be required to send us a new application for a new certification. If the
property is sold, the new owner must be given a copy of the Certification and approval letter and is thereby responsible for
complying with all conditions. If total wetland fills for this project (now or in the future) exceed one acre, compensatory
mitigation may be required as described in 15A NCAC 2H .0506 (h). For this approval to be valid, you must follow the
conditions listed in the attached certification.
If you do not accept any of the conditions of this certification, 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, P.O. Box 27447, Raleigh,
N.C. 27611-7447. This certification and its conditions are final and binding unless you ask for a hearing.
This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you have
any questions, please telephone Peter Colwell in our Mooresville Regional Office at 704-663-1699 or Cyndi Karoly in
Raleigh at 919-733-9721.
Sincerely,
Attachments
Gregory J. Thorpe, Ph.D.
cc: Corps of Engineers Raleigh Regulatory Field Office
Raleigh DWQ Regional Office
Central Files
File Copy
Joy Sherrod, NRCS, P.O. Box 10, Tarboro, NC, 27886
020102
North Carolina Division of Water Quality, 401 Wetlands Certification Unit,
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
2321 Crabtree Blvd., Raleigh, NC 27604.2260 (Location)
MEMORANDUM
TO: John Dorney Regional Contact: Steve Mitchell
Non-Discharge Branch WQ Supervisor: Ken Sc uster
Date:
SUBJECT: WETLAND STAFF REPORT AND RECOMMENDATIONS
Facility Name Fairview Nursery Stream Restoration Project
Project Number 02 0102
Recvd From APP
Received Date 1/23/02 Recvd By Region
Project Type Stream Restoration
County Wilson
County2
Region Raleigh
Certificates Stream Stream Impacts (ft.)
Permit Wetland Wetland Wetland Stream Class Acres Feet
Type Type Impact Score Index Prim. Supp. Basin Req. Req.
27 Stream F T-@) -NF-F27-86-(5.8) WSIV NSW CA 30,407. F 600.00 F_
Mitigation Wetland
MitigationType Type Acres Feet
Is Wetland Rating Sheet Attached? 0 Y 0 N Did you request more info? 0 Y 0 N
Have Project Changes/Conditions Been Discussed With Applicant? O Y 0 N
Is Mitigation required? 0 Y 0 N Recommendation: 0 Issue * Issue/fond 0 Deny
Provided by Region: Latitude (ddmmss) 354045 Longitude (ddmmss) 775540
Comments:
Afiffi1 -4-tr_ire that reference reach is apWicable to the restoration site.-
Basjcally the installation of rock vanes and the removla of sediment accumulation,
cc: Regional Office
Central Office /rPC i'G
( CA
Page Number 1
. u/ ..- \_-._ -(T ; ,

Date: 14"-2 y ? ?_
To: J'?RO Steve Mitchell
?FRO Ken Averitte
?WaRO Deborah Sawyer
?WiRO Joanne Steenhuis
?WSRO Jennifer Frye
LARO Mike Parker
Triage Check List

Project Name "4611'
DWQ Project NuTber
County
?MRO P Colwell
From: Telephone (919) 733-
L
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 USGW topo maps
? Minim ization/avoidance issues
? Buffer Rules (Neuse, Tar-Pamilco, Catawba, Randleman)
? Pond fill
?MitigationRatios
?Ditching
? Are the stream and or wetland mitigation sites available and viable?
? Check drawings for accuracy
? Is the application consistent with pre-application meetings? /
Cumulative impact conce rns ?- 7L
77
Comments
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.? - :17?"'-. - .•3,?? ,?:'$.!? 7 - ,X .•r ..wdta?ryo;,,..,, .;,i .fir _.
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USDA UNITED STATES
DEPARTMENT OF
AGRICULTURE
January 15, 2002

John Dorney
Division of Water Quality
N.C. Department of Environment and Natural Resources
4401 Reedy Creek Road
Raleigh, NC 27607
Dear Mr. Dorney:

P O Box 10, 201 St. Andrew Street
Tarboro, North Carolina 27886
't'elephone: [phone]
FAX: [phone]
im 13 NOI?
Enclosed you will find three copies of the Pre-Construction Notification Application to
request coverage under N.C. General 401 Water Quality Certification (3256 or 3257) associated
with NP #27 for the Fairview Nursery Stream Restoration Project. Three copies of the design
are also enclosed. The NRCS Emergency Watershed Protection (EWP) program is providing
funding and technical support to Wilson County for this project. A copy of this submittal has
also been provided to Amanda Jones, U.S. Army Corps of Engineers. This stream is in the
Neuse River Basin.
The purpose of this work is to stabilize the damaged reach of the creek by restoring
patterns }profile, and dimension and allow the channel to be self-maintaining once the creek is
repaired and riparian vegetation is established. The project reach is on Contentnea Creek at
Fairview Nursery in Wilson County, North Carolina. The stream reach was damaged during
Hurricane Floyd. A section of the bank (400 linear feet) was severely eroded away. The bank is
in a very unstable condition with the widest eroded section being 100 feet. Bank material was
deposited in the creek forming extremely large sediment bar restricting the flow of the channel
by approximately 80 percent.
Permits from the U.S. Army Corps of Engineers and the NCDENR Division of Water
Quality were acquired in May, 2002. The design package was later reevaluated by NRCS and
determined that a cribwall would not provide adequate stability to the creek bank and would not
aid the channel in maintaining a stabile channel pattern, profile, and dimension in this reach. The
project has now been redesigned using a combination of rock structures, vegetated benches, and
establishing a riparian buffer. These measures will provide stabile protection to the bank,
provide adequate sediment transport, and restore pattern, profile, and dimension.
The proposed work will create bankfull and inner berm benches and restore the channel
profile and bankfull width through this reach. The sediment bar material will be removed from
the creek and used to create these benches. Rock vanes and a rock bench will be installed to help
dissipate energy in the streambed and to reduce the stress in the near bank region of the stream.
Rooted seedlings will be planted on the channel benches and side slopes. All disturbed areas on
the creek bank will be stabilized with woody vegetation and grass.
J
Natural
Resources
Conservation
Service

1
Page 2 ......................Fairview Nursery Stream Restoration Project, Wilson County, NC
Please contact me at [phone] or David Little at [phone] if you have any questions
about this submittal.
Joy . Sherrod
Civil Engineer
USDA- NRCS
Enclosures
cc: Ellis Williford, County Manager
Bill Harrell
Dean Bingham
Harry Gibson
David Little

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JAN 2 3 20n;)
C3 ?0? W A TF?Q
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Pre-Construction Notification (PCN) Application Form
For Section 404 and/or Section 10 Nationwide, Regional and General Permits, Section 401
General Water Quality Certifications, and Riparian Buffer and Watershed Buffer Rules
This form is to be used for projects qualifying for any of the U.S. Army Corps of Engineers' (USACE)
Nationwide, Regional or General Permits as required by Section 404 of the Clean Water Act and/or
Section 10 of the Rivers and Harbors Act, and for the North Carolina Division of Water Quality's
(DWQ) associated General 401 Water Quality Certifications. This form is also to be used for any
project requiring approval under any Riparian Buffer Rules implemented by the N.C. Division of Water
Quality. This form should not be used if you are requesting an Individual 404 Permit or Individual 401
Water Quality Certification. The USACE Individual Permit application form is available online at
http://www.saw.usace.armymiI/wetlands/Perm app.htm.
The USACE is the lead regulatory agency. To review the requirements for the use of Nationwide,
Regional or General permits, and to determine which permit applies to your project, please go to the
USACE website at http:/http://www.saw.usace.armymiI/wetlands/regtour.htm/wetlands/regtour.htm, or contact one of the field
offices listed on page 3 of this application. The website also lists the responsible project manager for
each county in North Carolina and provides additional information regarding the identification and
regulation of wetlands and waters of the U.S.
The DWQ issues a corresponding Certification (General or Individual), and cannot tell the applicant
which 401 Certification will apply until the 404 Permit type has been determined by the USACE.
Applicants are encouraged to visit DWQ's 401/Wetlands Unit website at
http://h2o.enr.state.nc.us/ncwetlands/h2o.enr.state.nc.us/ncwetlands to read about current requirements for the 401 Water Quality
Certification Program and to determine whether or not Riparian Buffer Rules are applicable. The
applicant is also advised to read the full text of the General Certification (GC) matching the specific 404
Permit requested. In some cases, written approval for General Certifications is not required, provided
that the applicant adheres to all conditions of the GC. Applicants lacking access to the internet should
contact DWQ's Central Office in Raleigh at [phone].
Trout Waters Coordination - Special coordination with the North Carolina Wildlife Resources
Commission (NCWRC) is required for projects occurring in any of North Carolina's twenty-five
counties that contain trout waters. In such cases, the applicant should contact the appropriate NCWRC
regional coordinator (listed by county on page 4 of this application).
Page 1 of 12
Coastal Area Management Act (CAMA) Coordination - If the project occurs in any of North Carolina's
twenty coastal counties (listed on page 4) the applicant should contact the North Carolina Division of
Coastal Management (DCM). DCM will determine whether or not the project is within a designated
Area of Environmental Concern, in which case DCM will act as the lead permitting agency. In such
cases, DCM will require a CAMA Permit and will coordinate the 404/401 Permits.
The applicant may also choose to coordinate with the United States Fish and Wildlife Service to ensure
that the proposed project will have no impact upon any endangered or threatened species or critical
habitat as regulated by the Endangered Species Act, and the State Historic Preservation Office, North
Carolina Department of Cultural Resources to ensure that the proposed project will have no impact upon
any properties listed or eligible for listing on the National Register of Historic Places. Compliance with
these regulations is required to be eligible for any Department of the Army permit. The addresses for
both agencies are listed on page 3 of this application.
USACE Permits - Submit one copy of this form, along with supporting narratives, maps, data forms,
photos, etc. to the applicable USACE Regulatory Field Office. Upon receipt of an application, the
USACE will determine if the application is complete as soon as possible, not to exceed 30 days. This
PCN form is designed for the convenience of the applicant to address information needs for all USACE
Nationwide, Regional or General permits, as well as information required for State authorizations,
certifications, and coordination. Fully providing the information requested on this form will result in a
complete application for any of the USACE Nationwide, Regional or General permits. To review the
minimum amount of information that must be provided for a complete PCN for each USACE
Nationwide permit, see Condition 13, 65 Fed. Reg. 12893 (March 9, 2000), available at
http://www.saw.usace.army.mil/wetlands/nwpfinalFedReg`pdf. Processing times vary by permit and
begin once the application has been determined to be complete. Please contact the appropriate
regulatory field office for specific answers to permit processing periods.
401 Water Quality Certification or Buffer Rules - All information is required unless otherwise stated
as optional. Incomplete applications will be returned. Submit seven collated copies of all USACE
Permit materials to the Division of Water Quality, 401/Wetlands Unit, 1650 Mail Service Center,
Raleigh, NC, 27699-1650. If written approval is required or specifically requested for a 401
Certification, then a non-refundable application fee is required. In brief, if project impacts include less
than one acre of cumulative wetland/water impacts and less than 150 feet cumulative impacts to
streams, then a fee of $200 is required. If either of these thresholds is exceeded, then a fee of $475 is
required. A check made out to the North Carolina Division of Water Quality, with the specific name of
the project or applicant identified, should be stapled to the front of the application package. For more
information, see the DWQ website at http://h2o.ehnr.state.nc.us/ncwctlands/fees.htmi. The fee must be
attached with the application unless the applicant is a federal agency in which case the check may be
issued from a separate office. In such cases, the project must be identifiable on the U.S. Treasury check
so that it can be credited to the appropriate project. If written approval is sought solely for Buffer Rules,
the application fee does not apply, and the applicant should clearly state (in a cover letter) that only
Buffer Rule approval is sought in writing. Wetlands or waters of the U.S. may not be impacted prior to
issuance or waiver of a Section 401 Water Quality Certification. Upon receipt of a complete application
for a 401 Certification, the Division of Water Quality has 60 days to prepare a written response to the
applicant. This may include a 401 Certification, an on-hold letter pending receipt of additional
requested information, or denial.
Page 2 of 12
US Army Corps Of Engineers Field Offices and County Coverage
Asheville Regulatory Field Office Alexander Caldwell Haywood McDowell Swain
US Army Corps of Engineers Alleghany Catawba Henderson Mecklenburg Transylvania
151 Patton Avenue Ashe Cherokee Iredell Mitchell Union
Room 143 Avery Clay Jackson Polk Watauga
Asheville, NC 28801-5006 Buncombe Cleveland Lincoln Rowan Yancey
Telephone: [phone] Burke Gaston Macon Rutherford
Fax: [phone] Cabarrus Graham Madison Stanley
Raleigh Regulatory Field Office Alamance Franklin Nash Surry
US Army Corps Of Engineers Caswell Forsyth Northampton Vance
6508 Falls of the Neuse Road Chatham Granville Orange Wake
Suite 120 Davidson Guilford Person Warren
Raleigh, NC 27615 Davie Halifax Randolph Wilkes
Telephone: [phone] Durham Johnston Rockingham Wilson
Fax: [phone] Edgecombe Lee Stokes Yadkin
Washington Regulatory Field Office Beaufort Currituck Jones Pitt
US Army Corps Of Engineers Bertie Dare Lenoir Tyrrell
Post Office Box 1000 Camden Gates Martin Washington
Washington, NC 27889-1000 Carteret* Green Pamlico Wayne
Telephone: [phone] Chowan Hertford Pasquotank
Fax: [phone] Craven Hyde Perquimans *Croatan National Forest Only
Wilmington Regulatory Field Office Anson Duplin Onslow
US Army Corps Of Engineers Bladen Harnett Pender
Post Office Box 1890 Brunswick Hoke Richmond
Wilmington, NC 28402-1890 Carteret Montgomery Robeson
Telephone: [phone] Columbus Moore Sampson
Fax: [phone] Cumberland New Hanover Scotland
North Carolina State Agencies
Division of Water Quality Division of Water Quality State Historic Preservation Office
401 Wetlands Unit Wetlands Restoration Program Department Of Cultural Resources
1650 Mail Service Center 1619 Mail Service Center 4617 Mail Service Center
Raleigh, NC 27699-1650 Raleigh, NC 27699-1619 Raleigh, NC 27699-4617
Telephone: [phone] Telephone: [phone] Telephone: [phone]
Fax: [phone] Fax: [phone] Fax: [phone]
US Fis
US Fish and Wildlife Service
Raleigh Field Office
Post Office Box 33726
Raleigh, NC 27636-3726
Telephone: [phone]
h and Wildlife Service / National N
US Fish and Wildlife Service
Asheville Field Office
160Lillicoa Street
Asheville, NC 28801
Telephone: [phone]
larine Fisheries Service
National Marine Fisheries Service
Habitat Conservation Division
Pivers Island
Beaufort, NC 28516
Telephone: [phone]
Page 3 of 12
CAMA and NC Coastal Counties
Division of Coastal Management Beaufort Chowan Hertford Pasquotank
1638 Mail Service Center Bertie Craven Hyde Pender
Raleigh, NC 27699-1638 Brunswick Currituck New Hanover Perquimans
Telephone: [phone] Camden Dare Onslow Tyrrell
Fax: [phone] Carteret Gates Pamlico Washington
NCWRC and NC Trout Counties
Western Piedmont Region Coordinator Alleghany Caldwell Watauga
3855 Idlewild Road Ashe Mitchell Wilkes
Kernersville, NC 27284-9180 Avery Stokes
Telephone: [phone] Burke Surry
Mountain Region Coordinator Buncombe Henderson Polk
20830 Great Smoky Mtn. Expressway Cherokee Jackson Rutherford
Waynesville, NC 28786 Clay Macon Swain
Telephone: [phone] Graham Madison Transylvania
Fax: [phone] Haywood McDowell Yancey
APPLICATION FORM BEGINS ON PAGE 5. PLEASE DO NOT SUBMIT PAGES 1 - 4.
Page 4 of 12
Office Use Only: Form Version October 2001
USACE Action ID No. DWQ No.
If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A" rather than
leaving the space blank.
1. Processing
1. Check all of the approval(s) requested for this project:
Section 404 Permit
Section 10 Permit
401 Water Quality Certification
? Riparian or Watershed Buffer Rules
2. Nationwide, Regional or General Permit Number(s) Requested: N F # a-1
GL(, cud C-) C?r-V%;'IGC&:'. oil NU• 3.:,rl J(.c,(' 3J
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 (see section VIII - Mitigation), check here: ?
II. Applicant Information
Owner/Applicant Information
Name: f= ai r?. E
Mailing Address: ¢x(05

Telephone Number: J -s,',) -,437 - c-,`l coa Fax Number:
E-mail Address:
2. Agent 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: E (1 t LAY, 11'. - n, -d r n, , .,4-v Mel vtn 04-1d-
Company Affiliation: L&.) is oY--, ..
Mailing Address: 1 u1 Nor4h ac)Wd Thorn Si-rPc-4-
L.ast-,Y, , NC- a-7 ?,9
Telephone Number: ?lS?-3?9- X30'3 Fax Number;,2? _a 37-439/
E-mail Address: 62 zx) i Zh' -A AW i ,_J.1 D r7 - C70 . C'M
Page 5 of 12
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: ?(z;rV, & t) N O(Wf-V _S -ream ' iwe xrc2 ??r? I A-r ). e c A7
2. T.I.P. Project Number or State Project Number (NCDOT Only):
3. Property Identification Number (Tax PIN): 3-710- 762- ?B /!
4. Location
County: Nearest Town: (e) (son
Subdivision name (include phase/lot number): NIA
Directions to site (include road numbers, landmarks, etc.): W11
z, ryo;r 44- :3- 1 to i ?? on eo ? r=?k
5. Site coordinates, if available (UTM or Lat/Long): 350 4/p I.y5-J' /
(Note - If project is linear, such as a road or utility line, attach a she that separately lists the
coordinates for each crossing of a distinct waterbody.)
6. Describe the existing land use or condition of the site at the time of this application:
7. Property size (acres): 50 p!-C?er+ --1rV-,6k- - 3,0 nLE675
8. Nearest body of water (stream/river/sound/ocean/lake): C one ?n l nett ??.ree?
9. River Basin: N V e5 G
(Note - this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http://h2o.enr.state.ne.us/admin/maps/.)
Page 6 of 12
10. Describe the purpose of the proposed work: +c> Aarbi h 14'ne dayna?c) -? °F?'?e
O-ree hi a ra '7aile co, pcczz ije) and di mPv1-,5i c?v? aryl ?1r I I o. -Vn e Ch cM n e
tie SQ11 -mc?lr?-fc] IrilYlA ?wv 1? Creev. ",5 i`Pi)Qir+ed vrdar-i ooriezyl
i5 E'S}ub\?SF?I.
11. List the type of equipment to be used to construct the project: exec?Vg}? ?rGh?er?
12. Describe the land use in the vicinity of this project: N ?rsec-tl
IV. Prior Project History
If jurisdictional determinations and/or permits have been requested and/or obtained for this
project (including all prior phases of the same subdivision) in the past, please explain. Include
the USACE Action ID Number, DWQ Project Number, application date, and date permits and
certifications were issued or withdrawn. Provide photocopies of previously issued pennits,
certifications or other useful information. Describe previously approved wetland, stream and
buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project,
list and describe permits issued for prior segments of the same T.I.P. project, along with
construction schedules.
J .I..1 X1...1 ,ti ?(7 C7 ?otQ?? J
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:
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.
Page 7 of 12
? I A 1. Wetland Impacts
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 Center at 1-800-358-9616, or
online at http://www.fenia.gov.
*** List a wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond,
Carolina Bay, bog, etc.)
List the total acreage (estimated) of existing wetlands on the property:
Total area of wetland impact proposed:
2. Stream Impacts, including all intermittent and perennial streams
Stream Impact
Site Number
indicate on ma
Type of Impact* Length of
Impact
linear feet
Stream Name** Average Width
of Stream
Before Impact Perennial or
Intermittent?
leases ecif
ins
!a/la an o
I

% 4-e n
Creek

Q??,µ cl. 'q1 v.
44 L-4,
We r
Ano ??
-
G
C)n
J_

It 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.usas.t;ov. Several internet sites also allow direct download and printing of IISGS maps (e.g., www.to cop ?zoric,cgm,
www.mamuest,com, etc.).
Cumulative impacts (linear distance in feet) to all streams on site: 6601
0 y}-r re LrQeK i?HCA n{^'eI wi (1 b
Item f4,16; End dt{nen on
I.'QSt-rx'e d .{-?, 5 to b ! ?, P ?
? .? 'i vY1 Cf ? /I o'- ?
GJ {dam C,>- ?.,?'? ?tv b 1 Ch net t or
A- kr resbr?l-? dr I 'So'
Page 8 of 12
0`?
Iv 3. Open Water Impacts, including Lakes, Ponds, Estuaries, Sounds, Atlantic Ocean and any
other Water of the U.S.
Open Water Impact
Site Number
indicate on ma
Type of Impact* Area of
Impact
acres Name of Waterbody
(if applicable) Type of Waterbody
(lake, pond, estuary, sound,
bay, ocean, etc.

* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: fill, excavation, dredging,
flooding, drainage, bulkheads, etc.
N 4. Pond Creation
If construction of a pond is proposed, associated wetland and stream impacts should be
included above in the wetland and stream impact sections. Also, the proposed pond should
be described here and illustrated on any maps included with this application.
Pond to be created in (check all that apply): ? uplands ? stream ? wetlands
Describe the method of construction (e.g., dam/embankment, excavation, installation of
draw-down valve or spillway, etc.):
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.):
Size of watershed draining to pond: Expected pond surface area:
VII. Impact Justification (Avoidance and Minimization)
Specifically describe treasures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts.
_l.-r1 Q rA PC A-D Gl V O 1 <l ? m tar +'S -l--e QO- e ts{-rep rn J co w k? 5V r V?'1
EiCAVC- UCer-% JS4 `?[L1Ge.?1 t0 I NA 0i 'MteC c[iSKxYtJQiVV _ IC-M(LrCii /
P1_ _`_1 , ?,` cznd i 1-1 - ?nr e ?u t 1 t ?? eta l ( 1 -4-r,
?eti?r'?\P?1-r ?G'n5?c>?? ? ?r?iu\'1 LCrn?'?? ?l_ICi'nkF'-?-I f?<-k ?iVC? ??1'<t?,5?'S? Ce1'1?
N I? VIII. Mitigation i.cac??,c?y Sl?r.?b }v'S w?11 ?sl'ItSh?tn S?f?vn?
-{-c? ? a?, d e hq r? k 51 c•, hl I , z a-}i uv,
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.
Page 9 of 12
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
http://h2o.enr.state.nc.us/ncwetIands/stnngide.htm1.
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.
2. Mitigation may also be made by payment into the North Carolina Wetlands Restoration
Program (NCWRP) with the NCWRP's written agreement. Check the box indicating that
you would like to pay into the NCWRP. Please note that payment into the NCWRP must be
reviewed and approved before it can be used to satisfy mitigation requirements. Applicants
will be notified early in the review process by the 401/Wetlands Unit if payment into the
NCWRP is available as an option. For additional information regarding the application
process for the NCWRP, check the NCWRP website at http://h2o.enr.state.ne.us/LAm/index.htm. If
use of the NCWRP is proposed, please check the appropriate box on page three and provide
the following information:
Amount of stream mitigation requested (linear feet):
Amount of buffer mitigation requested (square feet):
Amount of Riparian wetland mitigation requested (acres):
Amount of Non-riparian wetland mitigation requested (acres):
Amount of Coastal wetland mitigation requested (acres):
Page 10 of 12
IX. Environmental Documentation (DWQ Only)
Does the project involve an expenditure of public funds or the use of public (federal/state/local)
land?
Yes [A 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) 733-508 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 (DWQ Only)
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
required state and local buffers associated with the project. The applicant must also provide
justification for these impacts in Section VII above. All proposed impacts must be listed herein,
and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a
map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ
Regional Office may be included as appropriate. Photographs may also be included at the
applicant's discretion.
Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233
(Neuse), 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:
t?? , 19 0
- cr ?-Ie5-ITUyedt by sl?rms - 5e?
Identify the square feet and acreage of ifnpact 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 I extends out 30 feet perpendicular from near bank of channel; Zone 2 extends an
additional 20 feet from the edge of Lone I.
Page 11 of 12
If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation
of Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or
Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as
identified within 15A NCAC 2B .0242 or .0260.
XI. Stormwater (DWQ Only)
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.
XII. Sewage Disposal (DWQ Only)
MIA Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of
wastewater generated from the proposed project, or available capacity of the subject facility.
XIII. Violations (DWQ Only)
Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules?
Yes ? No Q'
Is this an after-the-fact permit application?
Yes ? No [X
XIV. Other Circumstances (Optional):
It is the applicant's responsibility to submit the application sufficiently in advance of desired
Nl? 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).
Applicant/ Agent's Sign
(Agent's signature is valid
I (16/6 2-
V Date
y if an authorization letter from the applicant is provided.)
Page 12 of 12

FAIRVIEW NURSERY STREAM RESTORATION PROJECT fl(p
WILSON COUNTY, NORTH CAROLINA
PROJECT DESCRIPTION
The NRCS Emergency Watershed Protection (EWP) program is providing
funding and technical support to Wilson County for this project. This stream is in
the Neuse River Basin.
The purpose of this work is to stabilize the damaged reach of the creek by
restoring pattern, profile, and dimension and allow the channel to be self
maintaining once the creek is repaired and riparian vegetation is established. The
project reach is on Contentnea Creek at Fairview Nursery in Wilson County,
North Carolina. The stream reach was damaged during Hurricane Floyd. A
section of the bank (400 linear feet) was severely eroded away. The bank is in a
very unstable condition with the widest eroded section being 100 feet. Bank
material was deposited in the creek forming extremely large sediment bar
restricting the flow of the channel by approximately 80 percent.
Permits from the U.S. Army Corps of Engineers and the NCDENR
Division of Water Quality were acquired in May, 2002. The design package was
later reevaluated by NRCS and determined that a cribwall would not provide
adequate stability to the creek bank and would not aid the channel in maintaining
a stabile channel pattern, profile, and dimension in this reach. The project has now
been redesigned using a combination of rock structures, vegetated benches, and
establishing a riparian buffer. These measures will provide stabile protection to
the bank, provide adequate sediment transport, and restore pattern, profile, and
dimension.
The proposed work will create bankfull and inner berm benches and
restore the channel profile and bankfull width through this reach. The sediment
bar material will be removed from the creek and used to create these benches.
Rock vanes and a rock bench will be installed to help dissipate energy in the
streambed and to reduce the stress in the near bank region of the stream. Rooted
seedlings will be planted on the channel benches and side slopes. All disturbed
areas on the creek bank will be stabilized with woody vegetation and grass.

FAIRVIEW NURSERY
STREAM RESTORATION
EMERGENCY WATERSHED PROTECTION
WILSON COUNTY, NORTH CAROLINA
BID SCHEDULE
---------------------------------------------
ITEM WORK OR MATERIAL
NO.
1 Mobilization
2 Pollution Control
3 Pollution Control, Silt Fence
4 Removal of Water
5 Excavation, common
6 Excavation, haul
7 Rock Structures
8 Vegetation, seeding
9 Woody Plantings
10 Mulching
11 Coir Erosion Control Blanket
12 Excelsior Erosion Control
Blanket
13 Site Cleanup
SPEC
NO QUANTITY UNIT UNIT PRICE AMOUNT
NO.
400 1 Job
401 1 Job
401 300 Lin. Ft. $
402 1 Job
403 1,288 Cu. Yd. $
403 5,029 Cu. Yd. $
406 2,100 Tons $
407 1.3 Acre $
405 1700 Each $
407 0.6 Acre $
404 3170 Sq. Yds. $
404 580 Sq. Yds. $
407 1 Job
XXXXX $
XXXXX $
XXXXX $

XXXXX $
TOTAL COST ................................. $
I
FAIRVIEW NURSERY
STREAM RESTORATION
EMERGENCY WATERSHED PROTECTION
WILSON COUNTY, NORTH CAROLIINA
SPECIFICATIONS
TYPE SPEC. # TITLE
Construction 400 Mobilization and Demobilization
401 Pollution Control
402 Removal of Water
403 Earthwork
404 Erosion Control Blanket
405 Plant Materials
406 Rock Structures
407 Seeding and Mulching
r
FAIRVEW NURSERY STREAM RESTORATION
EMERGENCY WATERSHED PROTECTION
WILSON COUNTY, NORTH CAROLINA
SPECIAL PROVISIONS
1. All operations for this work shall be coordinated with the Contracting Officer's
Representative. Work shall commence as soon as practical, but no later than 7
calendars days after receipt of the "Notification to Begin Work". All work shall be
completed within 101 calendar days, commencing the day following receipt of the
"Notification to Begin Work" from the Contracting Officer.
2. No bid will be considered unless all items in the Bid Schedule are priced.
3. Workweek: The maximum workweek that is approved for this contract is ten (10)
hours per day, Monday through Saturday. No work shall be performed in excess of
ten (10) hours per day, and no work shall be performed on Sunday of any week.
4. The Contractor shall be responsible for the repair or replacement of any utilities or
property damaged by his/her construction operations. Damaged utilities or property
shall be repaired or replaced to their original or better condition as directed by the
Contracting Officer's Representative. All repairs or replacements shall meet the
approval of the Contracting Officer's Representative.
5. All activities shall be performed in strict accordance with the permits obtained by the
Wilson County.
6. Access to the construction site shall be as approved by the Contracting Officer's
Representative.
7. Contractor shall be responsible for testing and inspection to verify materials is in
accordance with the Contract Specifications.
8. All activities shall be performed in strict accordance with the following
ENVIRONMENTAL SPECIAL CONDITIONS:
a. Earth moving equipment will cross and operate in the stream flow only when
necessary. Equipment shall be maintained to prevent fuel, oil and lubricate
spills in the vicinity of the streams. Refueling, repairs, and lubrication will be
performed at safe distances from the stream and only at locations approved by
the Construction Inspector. Should 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 Construction Inspector will direct the
operators to remove equipment from the stream whenever a leak is observed or
suspected.
b. In the event of a spill or discharge of petroleum products or any other hazardous
waste, the Contractor shall contact the N.C. Division of Water Quality at 919-
733-5083, Ext. 526; the NC Emergency Management Division in Raleigh at
NC-EWP-A3 SP - 1 1/8/02

1-800-858-0368,and the Contracting Officer. If "waters of the state" are
involved, or affected, the EPA National Response Center at 1-800-424-8802
shall also be notified. In addition, the Contractor shall comply with the
provisions of the North Carolina Oil Pollution and Hazardous Substances
Control Act.
c. No activity may cause more than minimal adverse impact on navigation.
d. NRCS will be responsible for inspection and will ensure that the previously listed
conditions are met.
NC-EWP-A3 SP - 2 1/8/02
IT
CONSTRUCTION SPECIFICATION
400. MOBILIZATION AND DEMOBILIZATION
1. SCOPE
The work shall consist of the mobilization and demobilization of the Contractor's
forces and equipment necessary for performing the work required under the
contract.
The work shall not include mobilization and demobilization for specific items of
work for which payment is provided elsewhere in the contract.
Mobilization will not be considered as work in fulfilling the contract requirement for
commencement of work.
2. EQUIPMENT AND MATERIALS
Mobilization shall include all activities and costs for transportation of personnel,
equipment, and operating supplies to the site: establishment of offices, buildings,
and other necessary facilities for the Contractor's operations at the site; premiums
paid for performance and payment bonds, including coinsurance and reinsurance
agreements as applicable; and other items necessary for mobilization of the site.
Demobilization shall include all activities and costs for transportation of personnel,
equipment, and supplies not included in the contract from the site; including the
disassembly, removal and site clean up, of offices, buildings, and other facilities
assembled on the site for this contract.
The work includes mobilization and demobilization required by the contract at the
time of award. If additional mobilization and demobilization activities and costs
are required during the performance of the contract as a result of changed,
deleted, or added items of work for which the Contractor is entitled to an
adjustment in contract price, compensation for such costs will be included in the
price adjustment for the item or items of work changed or added.
3. PAYMENT
Payment for Mobilization will be made at the contract lump sum price. Payment
will be made as the work proceeds, after presentation of invoices by the
Contractor showing specific mobilization and demobilization costs and evidence of
the charges of suppliers, subcontractors, and others. If the total of such payments
is less than the lump sum contract price, the unpaid balance will be included in the
final contract payment. Payment of the lump sum contract price for mobilization
and demobilization will constitute full compensation for completion of the work.
Payment will not be made under this item for the purchase costs of materials
having a residual value, the purchase costs of materials to be incorporated in the
project, or the purchase costs of operating supplies.
NRCS-NC
400-1
11/01
r
4. ITEMS OF WORK AND CONSTRUCTION DETAILS
Items of work to be performed in conformance with this specification and the
construction details therefor are:
a. Bid Item 1, Mobilization
(1) This item shall consist of the mobilization and demobilization
required by the Contractor to perform the work under this contract.
(2) Payment will be by lump sum as indicated under Item 3. Payment.
NRCS-NC
400-2
li/01
r
CONSTRUCTION SPECIFICATION
401. POLLUTION CONTROL
1. SCOPE
The work shall consist of installing measures or performing work to control erosion
and minimize the production of sediment and other pollutants to water and air
during construction operations. All work shall comply with the requirements of the
North Carolina Sedimentation Pollution Control Act and the National Pollutant
Discharge Elimination Act. Control of pollution shall apply to the construction site.
Pollution control for any disposal area is the responsibility of the Contractor unless
the area is within the work limits of this project.
2. MATERIALS
Earthfill - The earth materials used in constructing the earthfill portions of the
diversions and/or waterways shall be suitable materials obtained from required
excavations or earth materials obtained from the designated borrow area.
Material for earthfill shall be free from frozen material, brush, roots, sod, stones
over six (6) inches in diameter or other objectionable materials.
Temporary Silt Fence - The temporary silt fence shall conform with the
requirements of Type 3, Class B Engineering Fabric as shown in Table 1056-1 on
page 562 of the North Carolina Department of Transportation's Standard
Specifications for Roads and Structures, July 1995 English edition.
3. EROSION AND SEDIMENT CONTROL MEASURES AND WORKS
The measures and works shall include, but are not limited to, the following:
a. Staging of Earthwork Activities - The excavation and moving of soil
materials shall be scheduled to minimize the size of areas disturbed and
unprotected from erosion for the shortest reasonable time.
b. Seeding - Seeding to protect disturbed areas shall occur as soon as
reasonably possible following completion of that earthwork activity. All
seeding shall be performed in accordance with Construction Specification
407- Seeding and Mulching.
c. Mulching - Mulching to provide temporary protection of soil surfaces from
erosion. All mulching shall be performed in accordance with Construction
Specification 407 - Seeding and Mulching.
d. Diversions - Diversions to divert water away from work areas and to collect
runoff from work areas for treatment and safe disposition. These works are
temporary and shall be removed and the area restored to its original state
when they are no longer needed or permanent measures are installed.
NRCS
401-1 1/02
r
The diversions shall be constructed to the lines and grades shown on the
drawings and/or as staked in the field. Diversions shall be constructed in
concurrence with excavation of the adjacent sediment basin. The diversions
shall be maintained throughout the construction operations.
e. Stream Crossings Culverts or bridges where equipment must cross
streams. These works are temporary and shall be removed and the restored
to its near original condition when they are no longer required or when
permanent measures are installed.
f. Sediment Basins Sediment basins to collect, settle and eliminate sediment
from areas that would be impacted below the construction site(s). These
works are temporary and shall be removed and the area restored to its original
condition when they are no longer required or when permanent measures are
installed.
g. Temporary Silt Fence A water permeable filter type of fence for the purpose
of removing suspended particles from the water passing through it.
h. Other Additional protection measures as required by Federal, State, or Local
Government.
4. TEMPORARY SILT FENCE INSTALLATION
The silt fence shall be installed around any area where soil material is temporarily
stockpiled as a result of the excavation operation. The location of the fencing will
be as directed by the Contracting Officer's Representative or Construction
Inspector to fit site conditions.
5. CHEMICAL POLLUTION
The Contractor shall provide watertight tanks or barrels or construct a sump
sealed with plastic sheets to be used to dispose of chemical pollutants, such as
drained lubricating or transmission oils, greases, soaps, concrete mixer wash
water, asphalt, etc., produced as a by-product of the construction work. At the
completion of the construction work, sumps shall be removed and the area
restored to its original condition. Sump removal shall be conducted without
causing pollution. In lieu of a sump, the Contractor shall provide watertight
containers for disposing of chemical pollutants.
Sanitary facilities such as chemical toilets, or septic tanks shall not be located
adjacent to live streams, wells, or springs. They shall be located at a distance
sufficient to prevent contamination of any water source. At the completion of
construction activities, facilities shall be disposed of without causing pollution.
Portable toilets shall be provided and used for the sanitary facilities on site
6. AIR POLLUTION
The burning of brush or slash or disposal of other materials shall adhere to local
and state regulations.
NRCS
401-2 1/02
f
Fire prevention measures shall be taken to prevent the start or the spreading of
wild fires that result from project activities. Firebreaks or guards shall be
constructed and maintained at locations shown on the drawings.
All public access or haul roads used by the contractor during construction of the
project shall be sprinkled or otherwise treated to fully suppress dust. All dust
control methods shall insure safe operations at all times. If chemical dust
suppressants are used, the material shall be a commercially available product
specifically designed for dust suppression and the application shall follow
manufacturer's requirements and recommendations. A copy of the product data
sheet and manufacturer's recommended application procedures shall be provided
to the Contracting Officer's Representative five (5) working days prior to the first
application.
7. MAINTENANCE, REMOVAL, AND RESTORATION
All pollution control measures and works shall be adequately maintained in a
functional condition for the duration of the construction period. All temporary
measures shall be removed and the site restored to near original condition unless
shown otherwise in the drawings.
Disturbed areas, where active construction is not being performed, that may
contribute to pollution, shall be mulched and or/seeded to temporary or permanent
vegetation in a timely manner. All mulching and seeding shall be performed in
accordance with Construction Specification 407, Seeding and Mulching.
8. MEASUREMENT AND PAYMENT
Payment for Pollution Control will be made at the contract lump sum price.
Payment will be made as the work proceeds and invoices presented by the
Contractor that reflect actual costs will support payment. If the total of all progress
payments is less than the lump sum contract price for this item, the balance
remaining for this item will be included in the final contract payment. Payment of
the lump sum contract price will constitute full compensation for completion of the
work.
Payment for Pollution Control, Silt Fence will be made at the contract unit price.
Measurement will be made to the nearest linear foot. Such payment will constitute
full compensation for all labor, equipment, tools, and all other items necessary and
incidental to the completion of the work.
Compensation for any item of work described in the contract but not listed in the
bid schedule will be included in the payment for the item of work to which it is
made subsidiary. Payment for all seeding shall be made under Bid Item No.8,
Vegetation, seeding. Payment for all mulching shall be made under Bid Item No.
10, Mulching. Otherwise, pollution control performed in conjunction with any item
of work is subsidiary to the Pollution Control item of work.
NRCS
401-3 1/02

9. ITEMS OF WORK AND CONSTRUCTION DETAILS
Items of work to be performed in conformance with this specification and the
construction details therefor are:
a. Bid Item 2, Pollution Control
(1) This item shall consist of all work to control erosion and minimize
pollutants to water and air during the construction operations.
(2) Disturbed areas, where active construction is not being performed,
that may contribute to pollution, shall be straw mulched and/or
seeded to temporary or permanent vegetation in a timely manner.
All mulching and seeding shall be performed in accordance with
Construction Specification 407, Seeding and Mulching.
(3) A temporary sediment pool shall be installed at approximately
station 5+50 as shown on the drawings and as staked by the
Inspector. The sediment pool shall be installed prior to any
excavation activity up slope from this measure. The minimum
dimensions of the sediment pool shall be as follows: 60 feet long by
35 feet wide by 3 feet deep, 2:1 side slopes, top elevation of 38 feet,
and bottom elevation of 35 feet.
(4) The Contractor should inspect the temporary sediment pool once a
week and after each rainfall event and make repairs immediately
during the duration of the contract. The temporary sediment pool
shall be properly maintained for the life of the contract.
Accumulated sediment shall be removed from the pool when it has
filled to one-half of its capacity (elevation 36.5 feet).
(5) A temporary gravel construction entrance shall be constructed on
the access road off of SR 1612. The gravel entrance shall be
constructed as shown on the drawings and as staked in the field.
The gravel entrance shall be installed prior to excavation operations.
(6) The temporary gravel construction entrance shall be surfaced with
six (6) inches of NC DOT ABC coarse aggregate. The estimated
quantity of ABC coarse aggregate is 20 tons.
(7) The temporary gravel construction entrance shall be underlain with
Class I nonwoven geotextile fabric. Placement of geotextile fabric
shall be approved by the Inspector prior to placement of coarse
aggregate. Geotextile fabric shall be secured with anchoring pins
furnished by the supplier in such a manner that the fabric remains in
place during installation of stone.
(8) Nonwoven geotextile fabric shall meet the requirements of Material
Specification No. 592.
(9) Portable toilets shall be provided and used for the sanitary facilities.
NRCS 401-4 1102
b. Bid Item 3, Pollution Control, Silt Fence
(1) This item shall consist of installing approximately 300 linear feet of
silt fence around the area where excavated soil material is to be
temporarily stock piled and at locations to control soil erosion and
minimize the introduction of sediment to water during construction.
(2) The Inspector will stake the location of each silt fence. The silt fence
will be installed around the temporary stockpile area prior to the start
of excavation operations.
(3) Construct the filter fabric from a continuous roll cut to the length of
the barrier to avoid joints. When joints are necessary, securely
fasten the filter cloth only at a support post with overlap to the next
post. The fabric should be stapled to the post (wired to the posts
when using wire mesh support). The filter fabric shall extend 1.5
feet above the ground.
(4) Ensure that posts for silt fences are either 4-inch diameter pine or 2-
inch diameter oak with a minimum length of 5 feet or 1.33 pounds
per linear feet steel with a minimum length of 4 feet. Steel post shall
have projections to facilitate fastening the fabric. When a wire mesh
support fence is used, space posts a maximum of 8 feet apart (6 feet
for non-wire mesh supported fabric). Support posts should be driven
securely into the ground to a minimum of 2 feet for steel and 3 feet
for wood post.
(5) For reinforcing of standard strength filter fabric, use wire fence with a
minimum 14 gauge and a maximum mesh spacing of five inches.
(6) Place the bottom 12 inches of the fabric in a trench and backfill the
trench with 12 inches of compacted soil.
(7) The Contractor should inspect the silt fence at least once a week
and after each rainfall and make repairs and remove excessive
sediment build up immediately during the duration of the contract.
(8) The Contractor should remove all fencing materials and unstable
sediment deposits and bring the area to grade and stabilize it after
the contributing drainage area has been properly stabilized.
(9) Payment will be by linear feet as indicated under Item. 8
Measurement and Payment.
N RCS 401-5 1/02
CONSTRUCTION SPECIFICATION
402. REMOVAL OF WATER
SCOPE
The work shall consist of the removal and/or control of surface, ground, and
stream flow waters as necessary to perform the construction required by the
contract in accordance with the specifications. It shall include: (1) constructing,
installing, building, and maintaining all necessary temporary water containment
facilities, channels, and diversions, (2) furnishing, installing, and operating all
necessary pumps, piping, and other facilities and equipment, and (3) removing all
such temporary works and equipment after their intended function is no longer
required.
2. DIVERTING SURFACE WATER
The Contractor shall install, maintain and operate all cofferdams, channels,
flumes, sumps, and all other temporary diversion and protective works needed to
divert stream flow and other surface water through or around the construction site.
Control of surface water shall be continuous during the period that damage to
construction work could occur. Unless otherwise specified and/or approved, the
diversion outlet shall be into the same drainage way that the water would have
reached before being diverted.
The Contractor shall obtain concurrence from the Contracting Officer's
Representative of the proposed plan for diverting water before beginning any
construction activities for which a diversion is required. Acceptance of this plan, or
the waiving of the plan requirement, will not relieve the Contractor of the
responsibilities related to this activity during the process of completing the work as
specified.
3. DEWATERING THE CONSTRUCTION SITE
Foundations, cutoff trenches, and all other parts of the construction site shall be
dewatered and kept free of standing water and muddy conditions as necessary for
the proper execution of the work. The Contractor shall furnish, install, operate,
and maintain all drains, sumps, pumps, and all other equipment required to
properly dewater the site as specified. Dewatering systems that cause a loss of
soil fines from the foundation areas will not be permitted.
The Contractor shall obtain concurrence of the Contracting Officer's
Representative for the proposed plan for dewatering before commencing with any
construction activity that dewatering may be required. Acceptance of this plan, or
the waiving of the plan requirement, will not relieve the Contractor of
responsibilities for completing the specified work.
4. EROSION AND POLLUTION CONTROL
Removal of water from the construction site, including the borrow areas, shall be
accomplished in a manner that erosion and the transporting of sediment and other
NRCS-NC 402-1 11/01
pollutants are minimized. Dewatering activities shall be accomplished in manner
that the water table water quality is not altered. Pollution control activities shall not
conflict with the requirements of Construction Specification 401, Pollution Control.
5. REMOVAL OF TEMPORARY WORKS
When temporary works are no longer needed, the Contractor shall remove and
return the area to a similar condition that existed prior to construction. Areas
where temporary works were located shall be graded for aesthetic appearance
with no obstruction to natural surface water flows or the proper functioning and
access to the works of improvement installed. The Contractor shall exercise
extreme care during the removal stages to minimize the loss of soil sediments and
debris that was trapped during construction.
6. MEASUREMENT AND PAYMENT
This item shall consist of the removal and/or control of surface, ground, and
stream flow waters as needed to perform the required construction in accordance
with the drawings and specifications. Payment for Removal of Water will be made
at the contract lump sum price. Payment will be made as the work proceeds and
invoices presented by the Contractor that reflect actual costs will support payment.
If the total of all progress payments is less than the lump sum contract price for
this item, the balance remaining for this item will be included in the final contract
payment. Payment will constitute full compensation for all labor, equipment, tools,
and all other items necessary and incidental to the completion of the work.
7. ITEMS OF WORK AND CONSTRUCTION DETAILS
Items of work to be performed in conformance with this specification and the
construction details therefor are:
a. Bid Item 4, Removal of Water
(1) This item shall consist of the removal of surface and ground water as
needed to perform the required construction in accordance with the
drawings and specifications.
(2) Payment will be by lump sum as indicated under Item 6.
Measurement and Payment.
NRCS-NC 402-2 11/01
CONSTRUCTION SPECIFICATION
403. EARTHWORK
SCOPE
The work shall consist of all excavation and earthfill (or earth backfill) necessary to
restore the bankfull channel dimensions, construct benches, and reshape/restore the
channel bank. This work includes the earthwork necessary to support the installation
of bioengineering practices and structures.
2. EXCAVATION
This work shall consist of the excavation of the existing channel to restore the bankfull
channel dimensions and to grade the channel bank to a positive slope. The work shall
be completed as shown on the drawing, as described in this specification, and as
staked by the Contracting Officer's Representative or Construction Inspector.
Excavation shall bottom on bedrock when it lies above the lines and grades shown on
the drawings. Excavation into bedrock is not required or allowed. The Engineer may
adjust the excavation limits to improve channel conditions during construction.
Channel excavation shall start on the upstream end of the project reach and proceed
in a downstream direction. Suitable earthfill material from the required excavation
shall be used in the installation of the planned benches. Excavated material suitable
for use, as earthfill will be stockpiled adjacent to the work area.
The Contractor shall remove and dispose of all debris encountered, including but not
limited to: trash, stumps, and concrete rubble. The Contractor shall dispose of all
unsuitable or excess materials at sites of his own choosing away from the work site.
The Contractor may dispose of unsuitable or excess materials on-site with the
concurrence of the Contracting Officer's Representative only if the Contractor obtains
permission for on-site disposal from the landowner in writing.
Any accumulation of excess sediment in the channel shall be cleared as needed
during construction and at the end of construction. No separate payment will be made
for the clean-up work.
Know utility locations are shown on the drawings but may not be all-inclusive. The
Contractor shall be responsible for verifying the location of all utilities prior to
excavation. The Contractor shall be responsible for repairing any damage to existing
structures or utilities.
NRCS-NC 403-1 1/02
3. EARTHFILL
This work shall consist of the placement and compaction of the earthfill or earth backfill
to complete the installation of the bioengineering practices or structures and shaping
of the channel slope as required by the plans and specifications. Fill materials shall
contain no frozen soil, sod, brush, roots, rocks over six (6) inches in diameter, or other
objectionable materials. The placing and spreading of fill shall be started at the lowest
point of the foundation and shall be brought up in approximately horizontal layers.
Sloughed areas in the slope shall be corrected by shaping the slope to provide a
uniform subgrade for the bioengineering installation. The source of earthfill shall be
the required excavation and shaping of the channel slope unless otherwise approved
by the Contracting Officer's Representative.
The moisture content of the fill material shall be maintained as high as attainable
within the limits required to:
• Prevent bulking or dilatance of the material under the action of the hauling or
compacting equipment;
• Prevent the adherence of the fill material to the treads and tracks of the
equipment;
• Ensure the crushing and blending of the soil clods and aggregations into a
reasonable homogeneous mass. Fill shall not be placed that is so dry than
a sample will not remain formed after squeezing the hand.
The maximum thickness of a layer before compaction for hand placed and compacted
material shall be four (4) inches and for machine placed and compacted material shall
be nine (9) inches. Each layer of earthfill shall be compacted to a density equivalent to
that of the surrounding in-place materials. Compaction shall be accomplished by
means of manually directed power tampers, walk-behind or self-propelled rollers, or by
tamping with the bucket of a hydraulic excavator with a minimum operating weight of
42,000 lbs. and minimum bucket force of 25,000 lbs. unless otherwise approved by the
Contracting Officer's Representative.
No separate payment will be made for earthfill or earth backfill. Compensation for this
item will be included in the payment for Excavation.
4. MEASUREMENT AND PAYMENT
The volume excavated within the specified pay limits will be measured and computed
to the nearest cubic yard by the method of average cross sectional end area. The pay
limits shall be defined as follows:
NRCS-NC 403-2 1/02
The upper limit shall be the original ground surface as it existed prior to the start of
construction operations. The lower and lateral limits shall be the true surface of the
completed excavation as shown on the drawings or as directed by the Engineer.
Payment for Excavation, common will be made at the contract unit price for
excavation. Such payment will constitute full compensation for all labor, materials,
equipment, and other items necessary and incidental to the performance of the work.
5. ITEMS OF WORK AND CONSTRUCTION DETAILS
Items of work to be performed in conformance with this specification and the
construction details therefor are:
a. Bid Item 5, Excavation, common
(1) This item shall consist of all excavation required to construct the stream
dimensions to the lines and grades as shown on the drawings and the
stock piling of material on site. The work shall also include all excavation
necessary to provide the material needed to fill areas of the existing
channel section as shown on the drawings.
(2) All material may be used as earthfill provided it consists of clean earth
and is approved as satisfactory by the Contracting Officer's
Representative.
(3) Concrete, stone rubble, and other nonwoody debris encountered during
the excavation process shall be removed and disposed of at the Wilson
County Landfill. The landfill is located on Landfill Road, SR 1503
approximately five miles from the site.
(4) Woody debris encountered during the excavation process and woody
debris stock piled adjacent to the site shall be burned and then buried in
the location where the channel bank is to be rebuilt.
(5) Payment for excavation will be made at the contract unit price per cubic
yard as indicated by Item 4. Measurement and Payment.
N RCS-N C 403-3 1/02
b. Bid Item 6, Excavation, haul
(1) This item shall consist of hauling off site excess yardage from the
excavation process that is not needed for earthfill.
(2) The material shall be hauled to a disposal area located approximately
one mile south of the site off of SR 1613.
(3) Payment for excavation, haul will be made at the contract unit price
per cubic yard as indicated by Item 4. Measurement and Payment.
N RCS-N C 403-4 1/02
CONSTRUCTION SPECIFICATION
404. EROSION CONTROL BLANKET
1. SCOPE
The work shall consist of the installation of an erosion control blanket on the
channel side slopes, benches, and other designated areas. The work shall consist
of furnishing, transporting and installing the erosion control blanket in accordance
with the plans and specifications.
2. MATERIALS
Coir Blanket: The coir erosion control blanket shall be a machine-produced mat
with a 100% coconut fiber matrix. The blanket shall be of consistent thickness with
the coconut fiber evenly distributed over the entire area of the mat. The blanket
shall be stitch bonded with UV stabilized thread between two UV stabilized
polypropylene nettings. The erosion control blanket shall be C125 as manufactured
by North American Green or equivalent.
Excelsior Blanket: The excelsior erosion control blanket shall be made from 100%
virgin excelsior wood fibers. A minimum of 80% of the fibers shall be 6 inches or
greater in length. The erosion control blanket shall be of uniform density and
thickness and shall be netted with polypropylene on the top and bottom surfaces
with fibers fastened to prevent unraveling. The blanket shall be Curlex II as
manufactured by American Excelsior Company, or equal.
3. SUBGRADE PREPARATION
The subgrade surfaces on which the blanket is to be placed shall be cut or filled and
graded to the lines and grades shown on the drawings. Lime, fertilizer and seed
shall be applied in accordance with Construction Specification 406 - Seeding and
Mulching prior to installation of the blanket. The blanket shall not be placed until the
prepared subgrade has been inspected and approved by the Inspector.
4. PLACEMENT
The top edge of the blanket shall be anchored in a 6-inch deep by 6-inch wide
trench approximately 2 feet back from the top of the slope. The trench shall be
backfilled and compacted after the blanket is fastened in the trench with staples or
fasteners. The blankets shall be placed with a minimum 12-inch overlap from one
section of blanket to the next section. The blanket shall be overlapped with the
upstream section overlapping the downstream section. The terminal end of the
blanket must be anchored in a 6-inch deep by 6-inch wide trench. The trench shall
be backfilled as noted above.
N RCS-N C 404-1 11/01
The coir blanket shall be fastened with biodegradable fasteners such as Eco-Stakes
or Bio-Stakes, 12 inches in length. The excelsior blanket shall be fastened with 11
gauge "U" shaped steel staples 8 to 10 inches in length. The fasteners shall be
installed in a staggered pattern on 3-ft. spacing along the row and 2-ft. spacing
between rows.
5. MAINTENANCE AND RESTORATION
The Contractor shall maintain the areas treated with the erosion control blanket until
all work under the contract has been completed and accepted. Maintenance shall
consist of the repair of areas damaged by water erosion, wind, fire, or other causes.
Such areas shall be repaired to reestablish the intended condition and to the design
lines and grades required by the contract. The areas shall be treated with lime,
fertilizer and seed in accordance with Construction Specification 407 - Seeding
and Mulching prior to the new or re-application of the erosion control blanket.
6. MEASUREMENT AND PAYMENT
For items of work for which specific unit prices are established in the contract, the
quantity of erosion control blanket for each type placed within the specified limits will
be determined to the nearest specified unit by computing the area of the actual roll
size, or partial roll size installed. The computed area will include the amount
required for overlap, seams, and anchorage as specified. Payment for the erosion
control blanket and fasteners will be made at the contract unit price for Erosion
Control Blanket. Such payment shall constitute full compensation for all labor,
equipment, materials, tools and other items necessary and incidental to the
completion of the work.
7. ITEMS OF WORK AND CONSTRUCTION DETAILS
Items of work to be performed in conformance with this specification and the
construction details are:
a. Bid Item No. 11, Coir Erosion Control Blanket
(1) This item of work shall consist of the installation of the coir erosion control
blanket on the benches and slopes above and below the benches. The
erosion control blanket shall be installed after the slopes and benches have
been treated in accordance with Construction Specification 407 - Seeding
and Mulching.
(2) Measurement and payment shall be by square yard as indicated under
Item 6. Measurement and Payment.
N RCS-NC 404-2 11/01
b. Bid Item No. 12, Excelsior Erosion Control Blanket
(1) This item of work shall consist of the installation of the excelsior erosion
control blanket on the upper bank slopes where benches are not being
constructed. The erosion control blanket shall be installed after the slopes
have been treated in accordance with Construction Specification 407 -
Seeding and Mulching.
(2) Measurement and payment shall be by square yard as indicated under
Item 6. Measurement and Payment.
N RCS-N C 404-3 11/01
CONSTRUCTION SPECIFICATION
405. PLANT MATERIALS
1. SCOPE
The work shall consist of furnishing and installing all rooted seedlings and potted
trees/shrubs, of the kinds and sizes specified, at the locations shown on the
drawings.
2. MATERIALS
Prior to bidding, the contractor shall verify all sources of supply to insure that the
size, species, variety and quality of plants specified can be supplied. At least one
week prior to delivery the Contractor shall notify the Contracting Officer of the
source of the rooted seedlings and the potted trees/shrubs.
All plants shall be packed in a manner to insure adequate protection against
climatic, seasonal or other injuries during transit. Special care shall be taken for
prompt delivery and careful handling during delivery. Each shipment of plants to the
site shall have a delivery ticket indicating source of supply, exact quantities, sizes
and species delivered. A copy of all delivery tickets shall be provided to the
Inspector.
Each plant type shall be properly identified by name and size on legible
weatherproof labels securely attached to plants or labeled on (or in) the plant
container. All plants shall be nursery grown, unless otherwise specified. All plants
shall have normal, well-developed branches and vigorous root systems. They shall
be sound, healthy, vigorous free from defects disfiguring knots, abrasions of the
bark, sun scaled injuries, plant diseases, insect eggs, borers, and all other forms of
infections. Final acceptance of all plant materials shall be given only after the
materials are planted and after all requirements are met. Unacceptable plant
materials shall be immediately removed from the job site at the contractor's
expense.
3. POTTED TREES/SHRUBS
Preparation - Circular planting pits that are 1-1/3 times the diameter of the pot shall
be dug with a level bottom to a depth that is 6 inches deeper than the necessary
planting depth. The sides and bottom of the pit shall be well scarified. Before
setting the plants, each pit shall be filled with 6 inches of backfill material, lightly
tamped and watered. The mixture used for backfilling shall consist of topsoil that
may be mixed with peat moss or potting soil. When the container is removed, the
plant shall be placed in the center of the individual pit. Additional backfill material
shall be added in 6-inch layers, lightly tamped, until the backfill is 3/4 complete.
NRCS-NC 405-1 1/02
When the backfill is 3/4 complete, the plant pit shall be filled with water. After the pit
has drained, it shall be filled with backfill material to 1 to 2 inches below average
ground.
4
Potted trees/shrubs shall be planted on the streambank benches and slopes above
the benches as shown on the plans. The plant species shall be as specified below
unless otherwise approved by the Contracting Officer's Representative:
The potted trees/shrubs shall be approximately 24 inches in height. The first row of
shrubs shall be planted at least 6 inches above the water line. The plants shall be
planted in a staggered pattern on alternate rows. Shrubs shall be planted with 2 feet
between rows on the slope above the inner berm and 3 feet between rows on the
bankfull bench and above. Trees shall be planted with 9 feet between rows. The
inner berm bench shall be seeded to grass only.
The slope above the inner berm shall be planted with the following shrub species:
Virginia Willow Itea virginica 2'x 3' spacing
Tag Alder Alnus serrulata 2'x 3' spacing
Silky Dogwood Cornus ammomum 2' x 3' spacing
Stiff Dogwood Corpus foemina 2' x 3' spacing
Bankfull bench and slopes and benches above shall be planted with the following
shrubs and trees species:
Shrub species:
Virginia Willow Itea virginica 2' x 3' spacing
Tag Alder Alnus serrulata 3' x 3' spacing
Silky Dogwood Cornus ammomum 3' x 3' spacing
Stiff Dogwood Cornus foemina 3' x 3' spacing
Tree species:
Sycamore Platanus occidentalis 9' x 9' spacing
Green Ash Fraxinus pennsylvanica 9' x 9' spacing
River Birch Betula nigra 9' x 9' spacing
Two rows of trees shall be planted on each bench except for the inner berm bench.
MEASUREMENT AND PAYMENT
Payment Woody Plantings will be made at the contract unit price for each potted
trees/shrubs that has been installed in accordance with the plans and specifications.
Each potted tree/shrub will be counted after successful planting. The Contractor will
provide a copy of the packing slip or invoice to the Inspector as additional
NRCS-NC 405-2 1/02
documentation of the quantity of potted trees/shrubs. Such payment will constitute
full compensation for all labor, materials, equipment and other items necessary and
incidental to the performance of the work.
5. ITEMS OF WORK AND CONSTRUCTION DETAILS
Items of work to be performed in conformance with this specification and the
construction details therefor are:
a. Bid Item 9, Woody Plantings
(1) The work shall consist of furnishing, transporting, and installing potted
trees and shrubs on the benches and the slopes above the benches,
as shown on the drawings.
(2) The shrubs and trees shall be planted after the area has been limed,
fertilized and seeded in accordance with Construction Specification
407 - Seeding and Mulching and after the installation of the erosion
control blanket in accordance with Construction Specification 404 -
Erosion Control Blanket.
(3) A sharp utility knife or appropriate tool shall be used to cut a hole or
slit in the erosion control blanket through which the potted shrubs or
trees will be planted.
(2) The Contractor shall sufficiently water the installed potted shrubs
every 3 days, except when adequate rainfall occurs, until final
inspection and acceptance of the job. The watering shall begin on the
day that the potted trees/shrubs are installed.
(3) Measurement and Payment shall be as specified in Section 4.
NRCS-NC 405-3 1/02
CONSTRUCTION SPECIFICATION
406. ROCK STRUCTURES
1. SCOPE
The work shall consist of the construction of rock riprap structures including rock
vanes, rock berm, and rock slope protection. The work shall consist of furnishing,
transporting and installing materials to construct the rock structures in accordance with
the plans and specifications.
2. Materials
Rock - The source of rock shall be identified and approved by the Contracting
Officer's Representative prior to delivery to the site. Documentation of testing of rock
riprap and erosion control stone than has been completed for compliance with the N.C.
Department of Transportation specifications no more than one year prior to installation
of the rock may be considered as adequate documentation for compliance with the
requirements of this standard. Individual rocks shall be dense, sound and free from
cracks, seams, and other defects. The rocks shall have a specific gravity of not less
than 2.6. The rock shall be free from dirt, clay, sand, rock fines, and other materials
not meeting the required gradation limits.
Rock Riprap for Rock Vanes - The average dimensions of the rock shall be 3.0 ft. long
x 3.0 ft. wide x 2.9 ft high with a minimum dimension of 2.5 feet.
Flat rocks are preferred since they are more adapted for the intended use. The weight
range of each rock should be between 1.8 and 2.2 tons. It is anticipated that the rock
will need to be special ordered to obtain the specified sizes if the rock is to be obtained
from a quarry.
The estimated quantity of rock riprap for the vanes is 700 tons.
Rock Riprap for Rock Bench, Rock Slope Protection, and Rock Outlet - The rock used
for the bench, slope protection, and outlet shall meet the requirements of N.C. DOT
Class II Rock Riprap. The riprap shall conform to the requirements of Section 1042
Rip Rap Materials, Subsection 1 Plain Rip Rap of the North Carolina Department of
Transportation's Standard Specifications for Roads and Structures, July 1995 English
edition.
The rock shall range from a minimum of 9 inches to a maximum of 23 inches with a
d50 size of 14 inches.
The estimated quantity of Class II rock riprap for this project is 1400 tons.
N RCS-NC 406-1 1(02
3. Subgrade Preparation
The subgrade surfaces on which the rock is to be placed shall be cut or filled and
graded to the lines and grades shown on the drawings. When fill is required, it shall
consist of approved materials that have been placed according to the Construction
Specification 403 - Earthwork. The surface shall be reasonably smooth and free of
loose rock and clods, holes, depressions, projections, and standing or flowing water.
The rock shall not be placed until the prepared subgrade has been inspected and
approved by the Construction Inspector.
4. Placement
The rock shall be placed in a manner to prevent damage to structures. The rock shall
be placed by equipment on the surfaces and to the depths specified. Some
arrangement of the rock by hand may be required once the rock has been placed by
equipment in the structures.
The footer rock shall be placed first when installing rock vanes. If more than one
footer rock layer is to be placed, placement shall begin with the bottom layer and
proceed in sequence until all footer rock layers and the surface rock layer have been
placed. A hydraulic excavator equipped with a hydraulic thumb shall accomplish
placement of the rock in the structure unless otherwise approved by the Contracting
Officer's Representative.
Rock vanes are designed to be installed on a 20- to 30-degree angle from the channel
bank toward the center of the stream. The grade, top and bottom, of the structure
gradually tapers down from the channel bank toward the center of the stream in an
upstream direction. For the structure to work properly, the rock must be placed as
shown on the drawings unless otherwise directed by the Contracting Officer
Representative or Construction Inspector.
5. MEASUREMENT AND PAYMENT
For each load of rock placed as specified, the Contractor shall furnish to the Inspector
a statement-of-delivery ticket showing the weight, to the nearest 0.1 tons. The
statement-of-delivery ticket shall be a public weightmaster's certified weight certificate
a defined in Section 106-7, Scales and Public Weightmaster in the N.C.
Department of Transportation Standard Specifications for Roads and Structures,
July 1995. Payment for Rock Structures will be made at the contract unit price for
each ton of rock (to the nearest 0.1 ton) installed as specified for which a statement-of-
delivery ticket is provided. Such payment will constitute full compensation for all labor,
materials, equipment and other items necessary and incidental to the performance of
the work.
N RCS-N C 406-2 1/02
6. ITEMS OF WORK AND CONSTRUCTION DETAILS
Items of work to be performed in conformance with this specification and the
construction details therefor are:
a. Bid Item 7, Rock Structures
(1) This item shall consist of furnishing, hauling, and delivery to the site the
rock riprap needed for the rock vanes, rock bench, rock slope protection,
and rock outlet as shown on the drawings.
(2) All rock used for the rock vane shall weigh between 1.8 and 2.2 tons
each and have a minimum dimension of 2.5 feet. Some rock will be
required to a have a relatively flat side.
(3) N. C. DOT Class II rock riprap shall be used to construct the rock bench,
rock slope protection, and rock outlet.
(4) The rock riprap outlet shall be underlain with Class I nonwoven geotextile
fabric. Placement of geotextile fabric shall be approved by the Inspector
prior to placement of riprap. Geotextile fabric shall be secured with
anchoring pins furnished by the supplier in such a manner that the fabric
remains in place during installation of rock riprap. The edges of the
fabric shall be anchored as directed by the Inspector.
(5) Nonwoven geotextile fabric shall meet the requirements of Material
Specification No. 592.
(6) No separate payment will be made for nonwoven geotextile fabric.
Compensation for this item will be included in payment for Bid Item 7,
Rock Structures.
(7) Payment for rock structures will be made at the contract unit price per
ton as indicated under Item 5. Measurement and Payment.
(8) Excavation, common as covered under Construction Specification 403
is a subsidiary item of this bid item.
N RCS-N C 406-3 1/02
CONSTRUCTION SPECIFICATION
407. SEEDING AND MULCHING
1.
2.
SCOPE
The work shall consist of preparing the area, furnishing and placing seed, mulch,
fertilizer, inoculate, soil amendments and anchoring mulch in the designated areas
as specified; streambanks, access areas and other areas disturbed by construction
activities. The work shall also consist of site cleanup and seeding any areas
disturbed by this process.
MATERIALS
The percent purity and germination or pure live seed shall be no less than shown
below. The quality of all seed must meet the requirements of the North Carolina
Seed Law.
Total Minimum
% Germination
Minimum (Including
% Purity Hard Seed) %PLS
Grasses
Switchgrass 70 50 35.0
Pensacola Bahiagrass 80 70 56
Sericea Lespedeza scarified 98 85 83.3
Sericea Lespedeza unscarified 95 85 80.7
Tall Fescue 98 85 83.3
Annuals
Rye Grain 98 85 83.3
Browntop Millet 98 85 83.3
1/ % PLS - Pure live seed, represents a value obtained by multiplying the
percent of purity by the percent germination and dividing by 100.
All seed will be subject to testing by an authorized representative of the North
Carolina Department of Agriculture.
Seed shall not contain more than 5% of other crop seed.
Seed bag tags shall be furnished as certification that the seed meets the quality
requirements. If the seed is tested in a commercial laboratory, the original copy of
the test report shall be furnished. No seed will be accepted with a test data of more
than nine (9) months prior to the delivery date to the site. Each type of seed shall
NRCS-NC 407-1 1/02
be delivered in separate sealed containers and fully tagged unless an exception is
granted in writing by the Contracting Officer.
During handling and storing, the seed shall be cared for in such a manner that it will
be protected from damage by heat, moisture, rodents, or other damaging factors.
The quality of all fertilizer shall comply with the requirements of the North Carolina
Fertilizer Law and with the rules and regulations adopted by the North Carolina
Board of Agriculture in accordance with the provisions of said law, in effect at the
time of sampling. The fertilizer must be the kind stated and must contain at least
the percent of available nitrogen, phosphoric acid and available potash as shown in
the grade analysis and/or invoice. All fertilizer will be subject to sampling and
testing by an authorized representative of the North Carolina Department of
Agriculture.
Dry fertilizer shall have been manufactured from cured stock. During handling and
storing, the fertilizer shall be cared for in such a manner that it will be protected
against hardening, caking, or loss of plant food values. Any hardened or caked
fertilizer shall be replaced or pulverized to its original condition before being used.
Limestone shall be agriculture grade ground dolomitic. It shall contain not less
than 85 percent of the combined calcium and magnesium carbonates.
The limestone shall be so graded that 100 percent will pass through U.S. Standard
10-mesh screen, 40 percent will pass through U.S. Standard 100-mesh screen, or
other subsequent grading requirements, rules, and regulations of the North Carolina
Lime Law, adopted by the North Carolina Board of Agriculture, in effect at the time
of sampling. All limestone shall be subject to sampling and testing by an authorized
representative of the North Carolina Department of Agriculture.
During handling and storing, the limestone shall be cared for in such a manner that
it will be protected against hardening or caking. Any hardened or caked limestone
shall be replaced or pulverized to its original condition before being used.
Grain straw mulch shall contain no more than a minimum of grain or foreign seed
and be free from an excessive amount of restricted noxious weeds as defined by
the North Carolina Board of Agriculture at the time of use of the mulch. Also, there
shall be compliance with all applicable state and federal domestic plant quarantines.
The mulch material shall be air dry, threshed, free of clumps, and reasonably light in
color. It shall not be musty, moldy, caked, or otherwise of low quality. The use of
mulch that contains noxious weeds will not be permitted. It must be air dry,
threshed, and free of clumps.
Mulch shall be properly stacked to facilitate handling and checking and covered to
prevent damage during inclement weather prior to application.
NRCS-NC 407-2 1/02
3. SEEDBED PREPARATION AND TREATMENT
Areas to be treated shall be dressed to a smooth, firm surface. On sites where
equipment can operate on slopes safely, the seedbed shall be adequately loosened
(4 to 6 inches deep) and smoothed. Disking or disking and cultipacking may be
necessary to properly prepare a seedbed depending on soil and moisture
conditions. On sites where equipment cannot operate safely, the seedbed shall be
prepared by hand methods by scarifying to provide a roughened soil surface so that
broadcast seed will remain in place.
If seeding is to be accomplished immediately following construction operations,
seedbed preparation may not be required except on compacted, polished, or on
freshly cut soil surfaces.
Rocks larger than six (6) inches in diameter, trash, weeds, and other debris that will
interfere with seeding or maintenance operations shall be removed or disposed of
by the Contractor.
Seedbed preparation shall be discontinued when soil moisture conditions are not
suitable for the preparation of a satisfactory seedbed as determined by the
Contracting Officer's Representative.
4. SEEDING, FERTILIZING, MULCHING, AND STABILIZING
Seeding - All seeding operations shall be preformed in such a manner that the
seed are applied in the specified quantities uniformly on the designated areas.
Unless otherwise specified, seeding shall be accomplished within two (2) days after
final grading is completed and approved.
a. The work shall consist of applying lime and fertilizer, preparing a seedbed
and seeding to establish permanent vegetation on all disturbed areas. These
areas shall be seeded after all shaping and grading is completed and no
further construction operations that would disturb the seeded area are
anticipated.
b. Seedbed preparation shall consist of shaping all areas so that each area has
positive drainage.
C. For all areas the work shall be performed in the following sequence:
(1) Initial seedbed preparation.
(2) Uniformly apply limestone and fertilizer on all areas. Apply two (2) tons of
dolomitic limestone, one thousand (1000) pounds of 10-10-10
N RCS-NC 407-3 1/02
fertilizer and three hundred pounds of superphosphate per acre.
(3) Mix fertilizer and lime into the soil by disking or other method approved by
the Inspector. Complete seedbed preparation by smoothing with
appropriate equipment approved by the Inspector.
(4) Seed the plants as specified. A cyclone seeder, drill, or cultipacker
seeder shall be used to apply seed evenly on freshly prepared seedbed.
When seed are broadcast, a cultipacker or other appropriate equipment
shall be used immediately following seeding.
d. Seeding shall be in accordance with the following table and seeding mixtures
and rates per acre will be governed by the approved dates.
On the benches and slopes along the streambank:
Approved Date Unit / Acre Seed/Sprig Mixture
January 1 - December 31 8 Pounds/Acre Switchgrass
4 Pounds/Acre Virginia Wild Rye
4 Pounds/Acre Big Bluestem
Along the top of bank and other disturbe
Approved Date Unit / Acre
September 1 - March 31 60 Pounds/Acre
40 Pounds/Acre
30 Pounds/Acre
d areas:
Seed/Sprig Mixture
Tall Fescue
Sericea Lespedeza
unscarified
Rye Grain
April 1 -August 31 50 Pounds/Acre Pensacola Bahiagrass
40 Pounds/Acre Sericea Lespedeza
scarified
30 Pounds/Acre Browntop Millet
Temporary Seeding - Use where needed for erosion and pollution control, when
permanent vegetation cannot be established due to planting season and where
temporary ground cover is needed to allow native or woody vegetation to become
established.
Fall, Winter, Spring Seeding
Rye Grain
Summer Seeding
Browntop Millet
Per 1000 sq. ft. Per Acre
3 lbs. 3 bu.
Per 1000 sq.ft. Per Acre
1 lb. 30 lbs.
NRCS-NC 407-4 1/02
Mulching - Mulch shall be applied uniformly to the designated areas, and shall be
applied to areas seeded not later than two (2) working days after seeding has been
performed. Straw mulch material shall be stabilized within twenty-four (24) hours of
application by the use of a mulch crimper or equivalent anchoring tool. Anchor
mulch with a mulch crimper, asphalt tackifier or appropriate mulch netting.
a. The work shall consist of applying three thousand (3,000) pounds per acre of
straw mulch on any or all of the following areas as directed by the
Contracting Officer's Representative:
(1) Selected disturbed and bare areas when an immediate ground cover
is desirable for minimizing erosion during construction operations.
(2) Graded and bare areas where construction operations are temporarily
suspended. No area of more than one-half contiguous acre in size is
to be left unprotected more than 15 calendar days except areas on
which work is being continuously performed.
(3) Finished and completed areas where a delay in seeding to establish
permanent vegetation is desirable due to weather or seeding
conditions.
(4) All areas seeded to permanent vegetation.
b. The materials shall conform to the requirements of this specification.
Delivery tickets showing quantity and quality of materials shall be furnished
the Engineer prior to using materials.
C. Mulch materials shall be applied to the land in a reasonable uniform
thickness. It is essential to have uniform distribution of the mulch. Ties from
baled mulch materials shall be removed from the site.
d. Mulch shall be secured to the surface by one of the following methods:
(1) Mulch shall be secured by using a mulch-anchoring tool to press the
mulch into the soil. Pressing plates or blades shall be one-fourth inch
thick and spaced no more than 8 inches apart. Mulch shall be
pressed into the top 2 to 3 inches of the surface without cutting or
chopping the mulch.
N RCS-NC 407-5 1/02
On compact areas where mulch is to be applied for interim ground
protection preceding seedbed preparation, scarification of the soil
surface prior to mulch application may be necessary to get a minimum
of two inches penetration of the anchoring tool blades.
A weighed vehicle shall be used at the top of slopes 3 to 1 or steeper
and on other areas designated by the Engineer to hold equipment on
the surface during anchoring operations if necessary to prevent
roughing up the surface or seedbed. Equipment operations shall b
eon the approximate contour. On sites where equipment cannot
safely operate to perform the work required, hand methods shall be
used.
(2) Secure mulch on small areas by other methods as approved by the
Engineer.
5. MEASUREMENT AND PAYMENT
Payment for Vegetation, seeding and Mulching will be made at the contract unit
prices. Each area treated will be measured and the area calculated to the nearest
0.1 acre. Such payment will constitute full compensation for all labor, equipment,
materials, tools, and other items necessary and incidental to the completion of the
work.
Payment for Site Cleanup will be made at the contract lump sum price.
6. ITEMS OF WORK AND CONSTRUCTION DETAILS
Items of work to be performed in conformance with this specification and the
construction details therefor are:
a. Bid Item 8, Vegetation, seeding
(1) This item shall consist of shaping and smoothing, applying lime and
fertilizer, preparing a seedbed, and seeding to establish permanent
vegetation or to provide temporary cover along the streambank and all
disturbed areas.
(2) The materials shall conform to the requirements of this specification.
Delivery tickets showing quantity and quality of materials shall be
furnished to the Contracting Officer's Representative prior to using
materials.
(3) Payment for seeding will be made at the contract unit price per acre
as indicated under Item 5. Measurement and Payment.
N RCS-NC 407-6 1/02
b. Bid Item 10, Mulching
(1) This item shall consist of applying and securing mulch to establish
permanent vegetation and as temporary ground cover along the
streambank and all disturbed areas.
(2) Materials shall conform to the requirements of this specification.
Delivery tickets showing quantity and quality of materials shall be
furnished to the Contracting Officer's Representative prior to using
materials.
(3) Payment for mulching will be made at the contract unit price per acre
as indicated under Item 5. Measurement and Payment.
C. Bid Item 13, Site Cleanup
(1) This item shall consist of the disposal of trees, logs, and stumps
stockpiled adjacent to the work site. This material shall be burned
and the residue buried in the area where the channel bank is to be
rebuilt as specified by the Contracting Officer Representative.
(2) All burning shall be in strict compliance with all applicable state and
local ordinances.
(3) Seeding and mulching of any disturbed area from the site cleanup
process shall be covered under Bid Item 8, Vegetation, seeding and
Bid Item 11, Mulching.
(4) Payment will be by lump sum as indicated under Item 5. Measurement
and Payment.
N RCS-NC 407-7 1/02
1
This specification covers the quality of geotextiles.
2.
Fibers (threads and yarns) used in the manufacture of
geotextile shall consist of synthetic polymers composed
of a minimum of 85 percent by weight polypropylenes,
polyesters, polyamides, polyethylene, polyolefins, or
polyvinylidene-chlorides. They shall be formed into a
stable network of filaments or yarns retaining
dimensional stability relative to each other. The
geotextile shall be free of defects and conform to the
physical requirements contained in Tables 1 and 2. The
geotextile shall be free of any chemical treatment or
coating that significantly reduces its porosity. Fibers
shall contain stabilizers and/or inhibitors to enhance
resistance to ultraviolet light..
Thread used for factory or field sewing shall be of
contrasting color to the fabric and made of high strength
polypropylene, polyester, or polyamide thread. Thread
shall be as resistant to ultraviolet light as the
geotextile being sewn.
3.
Geotextiles shall be
to place the threads
geotextiles will be
below:
a. Woven. Fabrics
interweaving of
directions.
classified based on the method used
or yarns forming the fabric. The
3rouped into the types described
formed by the uniform and regular
the threads or yarns in two
Woven fabrics shall be manufactured from
monofilament yarn formed into a uniform pattern with
distinct and measurable openings, retaining their
position relative to each other. The edges of
fabric shall be selvedged or otherwise finished to
prevent the outer yarn from unraveling.
b. Non-woven.
threads in
bonding, or
Fabrics formed by
a mat and bonded by
needle punching.
a random placement of
heat-bonding, resin-
NRCS-NEH-20 592-1 10/98
Non-woven fabrics shall be manufactured from
individual fibers formed into a random pattern with
distinct but variable small openings, retaining
their position relative to each other when bonded by
needle punching, heat, or resin bonding. The use of
non-wovens, other than the needle punched
geotextiles, is somewhat restricted (see Note 3 of
Table 2 ) .
4. MPT,TN , AND TFgTTNr
The geotextile shall meet the specified requirements
(Table 1 or 2) for the product style shown on the label.
Product properties as listed in the lastest edition of
the "Specifiers Guide", c'eotP?hni?al Fabric,s Report,
ADDRESS: Industrial Fabrics Association International,
1801 County Road BW, Roseville, MN 55113-4061; and that
represents minimum average ro11 valuea, will be
acceptable documentation that the product style meets the
requirements of these specifications.
For products that do not appear in the above directory,
or do not have minimum average roll values listed,
typical test data from the identified production run of
the geotextile will be required for each of the specified
tests (Table 1 or 2) as covered under clause AGAR
452.236-76.
S. SHIPPING AND_Sj_QEAQZ
The geotextile shall be shipped/transported in rolls
wrapped with a cover for protection from moisture, dust,
dirt, debris, and ultraviolet light. The cover shall be
maintained undisturbed to the maximum extend possible
prior to placement.
Each roll of geotextile shall be labeled or tagged to
clearly identify the brand, Class and the individual
production run in accordance with ASTM D 4873.
NRCS-NEH-20 592-2 10/98
TABLE-1. REQUIREMENTS FOR WOVEN GEOTEXTILES
Property Test Method Class I Class II & III Class IV
Tensile Strength ASTM D 4632 200 minimum in any 120 minimum in any 180 min. in
(pounds) 1/ Grab Test principal direction principal direction any principal
direction
Bursting Strength ASTM D 3786 400 minimum 300 minimum NA
(psi) 1/ Diaphragm Tester
Elongation at Failure ASTM D 4632 <50 <50 <50
(percent) 1/ Grab Test
Puncture ASTM D 4833 90 minimum 60 minimum 60 minimum
(pounds) 1/
Ultraviolet Light ASTM D 4355 70 minimum 70 minimum 70 minimum
(percent residual 150-hours
tensile strength) exposure
Apparent Opening ASTM D 4751 As specified or a As specified or a As specified
Size (AOS) minimum # 100 2/ minimum # 100 2/ or minimum
# 100 2/
Percent Open Area CWO-02215-86 4.0 minimum 4.0 minimum 1.0 minimum
(percent)
Permitivity sec' ASTM D 4491 0.10 minimum 0.10 minimum 0.10 min.
1/ Minimum average roll value (weakest prin cipal direction).
21 U. S. Standard Sieve Size.
NOTE: CWO is a USACE reference.
NRCS-NEH-20 592-3 10/98
TABLE 2 R Q1ERFMENT FOR NON WOVEN GEOTEXTILES
Property Test Method Class I Class II Class III Class IV 3/
Tensile Strength
(pounds) 1/ ASTM D 4632
Grab Test 180 minimum 120 minimum 90 minimum 115 min.
Bursting Strength
(psi)11 ASTM D 3786
D 320 minimum 210 minimum 180 minimum NA
iaphragm Tester
Elongation at Failure ASTM D 4632 >_50 >_50 >50 >50
(percent) 1/
Puncture (pounds) ASTM D 4833 80 minimum 60 minimum 40 minimum 40 minimum
Ultraviolet Light
(percent residual ASTM D 4355
150-hours exposure 70 minimum 70 minimum 70 minimum 70 minimum
tensile strength)
Apparent Opening Size ASTM D 4751
(AOS) As specified As specified As specified As specified
max. # 40 2/ max. # 40 2/ max. # 40 2/ max. # 40 2/
Permittivity sec' ASTM D 4491 0.70 minimum 0.70 minimum 0.70 minimum 0.10 min.
1/ Minimum average roll value (weakest principal direction)
2/ U. S. Standard Sieve Size.
3/ Heat-bonded or resin-bonded geotextile may be used for Class III and IV. They are particularly well suited
for Class IV. Needle-punched geotextiles are required for all other classes.
NRCS-NEH-20 592-4 10/98
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