20010897 Ver 1_Complete File_20010614

0? WA T?9 Michael F. Easley, Governor
William G. Ross Jr., Secretary
?Ot pG North Carolina Department of Environment and Natural Resources
r Alan W. Klimek, P.E. Director
Division of Water Quality
o -c
DWG Project No.: D/ o8 4 7 County:
Applicant: N=077
Project Name: 59 ! -
Date of Issuance of 401 Water Quality C rtification:
SOA./
Certificate of Completion
Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer
Rules, and any subsequent modifications, the applicant is required to return this certificate to the
401/Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC,
27699-1650. This form may be returned to DWQ by the applicant, the applicant's authorized agent, or
the project engineer. It is not necessary to send certificates from all of these.
Applicant' Certih?. tion
1, C1/da
and diligence was used in
be built within substantial
Rules, the approve p ns
Signature:
Agent's Certification
S hereby state that, to the best of my abilities, due care
the observation of the construction such that the construction was observed to
compliance and intent of the 401 Water Quality Certification and Buffer
• nd ?2gP'?igns, and other sups rtin at vials.
Date: L???o gd
1, , hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed to
be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer
Rules, the approved plans and specifications, and other supporting materials.
Signature: Date:
If this project was designed by a Certified Professional
1, , as a duly registered Professional (i.e.,
Engineer, Landscape Architect, Surveyor, etc.) in the State of North Carolina, having been authorized
to observe (periodically, weekly, full time) the construction of the project, for the Permitee hereby state
that, to the best of my abilities, due care and diligence was used in the observation of the construction
such that the construction was observed to be built within substantial compliance and intent of the 401
Water Quality Certification and Buffer Rules, the approved plans and specifications, and other
supporting materials.
Signature Registration No. Date:
,?"?l
N E'
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)
919-733-1786 (phone), 919-733-6893 (fax), http://h2o.enr.state.nc.us/ncwetlands/
F WAIF
\o`,O RPG Michael F. Easley
Governor
7 William G. Ross, Jr., Secretary
> Department of Environment and Natural Resources
5 _%? Kerr T. Stevens
N%ndow Division of Water Quality
June 19, 2001
Jackson County
DWQ Project No. 010897
SR 1304 (Perley Hyatt Road)
APPROVAL of 401 Water Quality Certification with Additional Conditions
Mr. C.R. Styles, P.E., District Engineer
NCDOT
P.O. Box 250
Bryson City, NC 28713
Dear Mr. Styles:
You have our approval, in accordance with the attached conditions and those listed below, to impact 40
linear feet of unnamed tributaries to Sugar Branch in order improve SR 1304 (Perley Hyatt Road) in
Jackson County. The project should be constructed in accordance with your application dated 5 June
2001. After reviewing your application, we have decided that this fill is covered by General Water
Quality Certification No. 3289 corresponding to the U.S. Army Corps of Engineers Nationwide Permit
Number 14. In addition, you should acquire any other federal, state or local permits before you proceed
with your project including (but not limited to) Sediment and Erosion Control, Non-Discharge and Water
Supply Watershed regulations. This approval will expire with the accompanying 404 permit unless
otherwise specified in the Water Quality Certification.
This approval is valid solely for the purpose and design described in your application (unless modified
below). Should your project change, you must notify the DWQ and submit a new application. 'If the
property is sold, the new owner must be given a copy of this Certification and approval letter, and is
thereby responsible for complying with all the conditions. If total wetland fills for this project (now or in
the future) exceed one acre, or of total impacts to streams (now or in the future) exceed 150 linear feet,
compensatory mitigation may be required as described in 15A NCAC 2H .0506 (h) (6) and (7). For this
approval to be valid, you must follow the conditions listed in the attached certification and any additional
conditions listed below.
2.
4
In-stream work and land disturbance within the 25-foot wide buffer zone are prohibited during the
trout spawning season of October 15 through April 15, or as otherwise determined by the North
Carolina Wildlife Resources Commission, to protect the egg and fry stages of trout from
sedimentation during construction.
The culverts required for this project shall be installed in such a manner that the original stream
profiles are not altered (i.e. the depth of the channel should not be reduced by a widening of the
streambed). Existing stream dimensions are to be maintained above and below locations of culvert
extensions.
All work shall be performed during low flow conditions.
All mechanized equipment operated near surface waters should be regularly inspected and maintained
to prevent contamination of stream waters from fuels, lubricants, hydraulic fluids, or other toxic
materials.
The presence of equipment in the channels must be minimized. Under no circumstances should rock,
sand or other materials be dredged from the wetted stream channel under authorization of this permit,
except in the immediate vicinity of the culverts.
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)
919-733-1786 (phone), 919-733-6893 (fax), http://h2o.enr.state.nc.us/ncwetiands/
Page 2 of 2
6. Mowing of existing vegetated buffers is strongly discouraged, so that they may be utilized for storm
water sheet flow.
7. Use of rip-rap for bank stabilization is to be minimized; rather, native vegetation is to be planted
when practical. If necessary, rip-rap should be limited to the stream bank below the high water mark,
and vegetation should be used for stabilization above high water.
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, 6714 Mail Service Center, Raleigh, N.C.
27699-6714. This certification and its conditions are final and binding unless you ask for a
hearing.
This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water
Act. If you have any questions, please telephone Ms. Cynthia Van Der Wiele at 919.733.1786 or Mr.
Mike Parker of the Asheville Regional Office at 828.251-6452.
Sincerely,
Attachment
cc: Wilmington District Corps of Engineers
Corps of Engineers Asheville Field Office
NCDWQ Asheville Regional Office
Central Files
File Copy
Stevens
# r
01 089 f
40
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY LYNDO TIPPETT
GOVERNOR
Jackson County
SR 1304
Mr. Steve Lund, NCDOT Coordinator
U. S. Army Corps of Engineers
Regulatory Branch
151 Patton Avenue, Room 208
Asheville, NC 28801-5006
Dear Mr. Lund:
June 5, 2001
SECRETARY
The North Carolina Department of Transportation is proposing to grade, drain, base and
pave primarily along the existing roadway of SR 1304, Perley Hyatt Road in Jackson County.
In order to construct this project in accordance with our current secondary road standards, and
due to the replacement/extension of two (2) pipe culverts in two unnamed tributaries of Sugar
Branch (DEM Class C), we are requesting authorization under Section 404 of the Clean Water
Act.
I am sending a straight-line diagram with our proposed erosion control and construction
limits at various sites along this project. In addition, a typical section of the road, drawings for
the pipe replacement/extensions in the unnamed tributaries of Sugar Branch, general notes and
standards on erosion control measures, and a marked County Map are enclosed. We propose
to install the new culverts slightly below the existing stream bed elevation where bedrock is not
encountered to minimize impact to Wildlife habitat and allow the existing stream gradient to
remain as unchanged as physically possible.
The best management practices will be used to minimize and control sedimentation and
erosion on this project. The construction foreman will review all erosion control measures daily
to ensure sedimentation and erosion controls are being effectively controlled. If the planned
devices are not functioning as intended, they'will immediately be replaced with better devices.
The silt fences and other erosion control devices will be in place prior to pipe installation and will
remain in place until the project is stabilized.
PAYMENT
P.O. Box 250, Bryson City, NC 28713 Phone [phone] RECEIVED
Mr. Steve Lund
Page 2
June 5, 2001
By copy of this letter I am asking Mr. Owen Anderson, Habitat Coordinator Western
Mountain District, of the NCWRC to comment directly to you concerning the 404 Nationwide
permit request.
Also by copy of this letter, I am requesting authorization to proceed under Section 401 of
the Clear Water Act from Division of Water Quality. In addition, I am asking Mr. Anderson and
Mr. Ed Ingle, Area Roadside Environmental Engineer (NCDOT), to comment directly to me
concerning this permit request.
We would like to begin construction as soon as possible. If further information is
required, please advise. Your early review and consideration will be appreciated.
Yours tEer
C. R. E.
DistricCRS:sd
atta.
cc: Mr. R. G. Watson, P. E., Division Engineer
Mr. Mark Davis, Division Environmental Officer
Mr. E. L. Ingle, Area Roadside Environmental Engineer
Mr. Owen Anderson, Habitat Coordinator W. Mtn. Dist., NCWRC
Mr. John Dorney, Water Quality Certification Unit, DWQ
P.O. Box 250, Bryson City, NC 28713 Phone [phone]

Office Use Only: ®1 0 8 7 Form Version April 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.
II.
Processing
1. Ch all of the approval(s) requested for this project:
Section 404 Permit
ction 10 Permit
401 Water Quality Certification
? Riparian or Watershed Buffer Rules
2. Nationwide, Regional or General Permit Number(s) Requested
Iq
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:
Applicant Information
1. Owner/Applicant Information
Name: T<(-DO-r- DISTRICT ENGINEER' C R Styles P E
Mailing Address: P O Drawer 250 Bryson City, 28713
Telephone Number: [phone] Fax Number: .($2.$, 41488=3518
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: N/A
Company Affiliation: N/A
Mailing Address: N/A
Telephone Number: N/A Fax Number:- N/A
E-mail Address: /
Page 3 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
Szt 13Ow per-(
2. T.I.P. Project Number (NCDOT Only):
I Property Identification Number (Tax PIN)
N/A
- RZ) ct '.K Zo,c
4. Location
Count ?C•C I? S? Nearest Town: I ' ?? Y\ n
Subdivision name (include phase/lot number): /A
f
D' ectio s to site (i clude road numbers, landmarks, etc.): fde- 4 LJ CA
e) ( Fn ("s R 130 CD ' n Vic). L kso r-? r o
5. Site coordinates, if available (UTM or Lat/Long): N/A
(Note - If project is linear, such as a road or utility line, attach a sheet that separately lists the
coordinates for each crossing of a distinct waterb6dy.)
6. Describe the existing land use or condition of the site at the time of this application:
State maintained secondary road used to access rural woodland and/or residential property.
7. Property size (acres): 4-
i wv :tin-Lrne tr` l,?fe?- rs t
8. Nearest body of water (stream/river/sound/ocean/lake): Sct ie r??•'"ck (bEftl Llks``' r;)
9. River Basin: 7 f'n»-e Ss. -P e-- r a,_?; n
(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 nc tis/admin/maps/.)
Page 4 of 12
T
10. Describe the purpose of the proposed work: To widen and pave SR i -Io`I to meet current
standards. NCDOT 11. List the type of equipment to be used to construct the project: Track Hoes. Bulldozers,
u trucks. Bagk Hoes. Manual Labor, etc.
12. Describe the land use in the vicinity of this project: Rural woodland Residential
IV. Prior Project History
if jurisdictional determinations and/or permits have been requested and/or obtained for this
project (including all prior phases of the same subdivision) in the past, please explain. Include
the USACE Action ID Number, DWQ Project Number, application date, and date permits and
certifications were issued or withdrawn. Provide photocopies of previously issued permits,
certifications or other useful information. Describe previously approved wetland, stream and
buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project,
list and describe permits issued for prior segments of the same T.I.P. project, along with
construction schedules. /V)A
V. Future Project Plans
Are any additional permit requests anticipated for this project in the future? If so, describe the
anticipated work, and provide justification for the exclusion of this work from the current
application: No additional hermit requests are anticipated
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) mast 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 5 of 12
1. Wetland Impacts
Wetland Impact
Site Number
(indicate on map)
Type of Impact* Area of
Impact
(acres) Located within
100-year Floodplain**
(yes/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 tloodplains 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://ww•w.fenia.eov.
*** 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: NA
Total area of wetland impact proposed: N8
2. Stream Impacts, including all intermittent and perennial streams
Stream Impact
Site Number
(indicate on map)
Type of Impact* Length of
Impact
(linear feet)
Stream Name** Average Width
of Stream
Before Impact Perennial or
Intermittent'?
(please specify)
c' u rve r7

C- lr-F1nS ? 0 rl
/0 ^ -

f p .`_i L4 C? r L3 t`.??lt'.
.e r- em) a
2 n ?r? tt 1' 11

i

* 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 lossigain),
stabilization activities (cement wall, rip-rap, crib wall, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is
proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included.
** Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to the nearest
downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616, or online at
www.uses.eov. Several internet sites also allow direct download and printing of USGS maps (e.g., www topozone.com.
www.mapauest.com, etc.).
I
Cumulative impacts (linear distance in feet) to all streams on site.
Page 6 of 12
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 map)

*
Type of Impact Area of

Impact
(acres) N

(if Name of applicable) Waterbody Type of Waterbody

(lake, pond, estuary' sound,
bay, ocean, etc.)

LJ Li
i;
-;t,.i tn. fill excavation. dredeine,
List each impact separately and identity temporary impacts. trnNucLa
flooding, drainage, bulkheads, etc.
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 F] stream wetlands
Describe the method of construction (e.g., dam/embankment, excavation, installation of
draw-down valve or spillway, etc.): N/A
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.): N/A
Size of watershed draining to pond: N/A Expected pond surface area: N/A
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts.
Impacts cannot be avoided Culverts must be extended in order m ¢ain the necessary width-
to constrict SM30' I to current NC OT standards All pine replacements will be placed belo\t
the existing stream bed Qradient so natural substrate can be re-established.
Page 7 of 12
I
VIII. Mitigation
DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC
Division of Water Quality for projects involving greater than or equal to one acre of impacts to
freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial
streams.
USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide
Permits, published in the Federal Register on March 9, 2000, mitigation will be required when
necessary to ensure that adverse effects to the aquatic environment are minimal. Factors
including size and type of proposed impact and function and relative value of the impacted
aquatic resource will be considered in determining acceptability of appropriate and practicable
mitigation as proposed. Examples of mitigation that may be appropriate and practicable include,
but are not limited to: reducing the size. of the project; establishing and maintaining wetland
and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of
aquatic resource functions and values by creating, restoring, enhancing, or preserving similar
functions and values, preferable in the same watershed.
If mitigation is required for this project, a copy of the mitigation plan must be attached in order
for USACE or DWQ to consider the application complete for processing. Any application
lacking a required mitigation plan or NCWRP concurrence shall be placed on hold as
incomplete. An applicant may also choose to review the current guidelines for stream restoration
in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at
http•//h2o enr state.nc.tis/ncwetlands/strm,,idc.html.
Provide a brief description of the proposed mitigation plan. The description should provide
as much information as possible, including, but not limited to: site location (attach directions
and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet)
of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view.
preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a
description of the current site conditions and proposed method of construction. Please attach
a separate sheet if more space is needed.
Page 8 of 12
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 llttp-//112o enr state nc us'?%rp'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): N/A
Amount of buffer mitigation requested (square feet): N/A
Amount of Riparian wetland mitigation requested (acres): N/A
Amount of Non-riparian wetland mitigation requested (acres): N/A
Amount of Coastal wetland mitigation requested (acres): N/A
IX. Environmental Documentation (DWQ Only)
Does the project involve an expenditure of public funds or the use of public (federal/state/local)
land?
Yes ? No F-]
If yes, does the project require preparation of an environmental document pursuant to the
requirements of the National hetherta NEP1A/SEPtAtdocument Polrequired, (caEPth/e SEP)A
Note: If you are not sure
coordinator at [phone] o review current thresholds for environmental documentation.
Yes F] No V
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 F_? No [] N/A
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
(Neese), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and
)?
Water Supply Buffer Require ents), If or you other (please answered "yes", identify provide the following information:
Yes n No
Page 9 of 12
Identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer
mitigation is required calculate the required amount of mitigation by applying the buffer
multipliers.
Zone* Impact
(square feet) Multiplier Required
Mitigation
1 N/A 3 N/A
2 N/A 1.5 N/A
Total N/A N/A
GUIIC 1 exleuus Uul w leer perpenauuiar rrom near DanK or cnannei; Lone z extends an
additional 20 feet from the edge of Zone 1.
If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation
of Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or
Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as
identified within 15A NCAC 2B .0242 or.0260.
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.
Existing impervious acreage = 1. 3 (o Proposed impervious acreage = /. 5 3
Total acreage = S. >-a I Storm water will be routed to buffer areas or retention basins
where physically possible.
XII. Sewage Disposal (DWQ Only)
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 5/
Is this an after-the-fact permit plication?
Yes r_J No
Page 10 of 12
XIV. Other Circumstances (Optional):
It is the applicant's responsibility to submit the application sufficiently in advance of desired
construction dates to allow processing time for these permits. However, an applicant may
choose to list constraints associated with construction or sequencing that may impose limits on
work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and
Threatened S eCies, accessibility problems, or other issues outside of the applicant's control).

Applicant/Agent's Signature
(Agent's signature is valid only if an
Date
letter from the applicant is provided.)
US Army Corp s Of Engineers Field Offices and County Coverage
Asheville Regulatory Field Office Alexander Cherokee Iredell Mitchell
US Army Corps of Engineers Avery
Buncombe Clay
Cleveland Jackson
Lincoln Polk
Rowan
151 Patton Avenue Burke Gaston Macon Rutherford
Room 208
NC 28801-5006
Asheville Cabarrus Graham Madison Stanley
,
Telephone: [phone] Caldwell
Catawba Haywood
Henderson McDowell
Mecklenburg Swain
Transylvania
Fax: [phone]
Raleigh Regulatory Field Office Alamance Durham Johnston Rockingham
US Army Corps Of Engineers Alleghany Edgecombe Lee
h Stokes
Surr
6508 Falls of the Neuse Road Ashe
Caswell Franklin
Forsyth Nas
Northampton y
Vance
Suite 120
NC 27615
Raleigh Chatham Granville Orange Wake
,
Telephone: [phone] Davidson Guilford
lif Person
h
Randol Warren
Wilkes
Fax: [phone] Davie ax
Ha p
Washington Regulatory Field Office Beaufort Currituck Jones
US Army Corps Of Engineers Bertie Dare Lenoir
rtin
M
Post Office Box 1000 Camden
Carteret* Gates
Green a
Pamlico
Washington, NC 27889-1000 Chowan Hertford Pasquotank
Telephone: [phone]
Fax: [phone] Craven Hyde Perquimans
Wilmington Regulatory Field Office Anson Duplin Onslow
US Army Corps Of Engineers Bladen Harnett Pender
hmond
Ri
Post Office Box 1890
Wilmington, NC 28402-1890 Brunswick
Carteret Hoke
Montgomery c
Robeson
Telephone: [phone] Columbus Moore Sampson
Fax: [phone] Cumberland New Hanover Scotland
Pitt
Tyrrell
Washington
Wayne
Union
Watauga
Yancey
Wilson
Yadkin
*Croatan National Forest Only
Page 11 of 12
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TEMPORARY SILT FENCE:
A temporary silt fence is commonly used at the toe of a fill section to prevent off-
site sedimentation. It is made of permeable filter fabric buried at the bottom,
stretched and supported by steel posts. The silt fence reduces the water flow-while
retaining the sediment. They may also be used to divert water flow to protected
outlets. Silt fences need to be checked after each significant rainfall to ensure there
effectiveness. They must be maintained on a regular basis. Silt fences shall not be
installed across streams, ditches, or waterways.
AREAS OF USE:
• At toe of fill sections where sediment runoff can be stored and contained
inside the project limits.
DESIGN CRITERIA:
Material
Fabric
Steel posts length
Post spacing
With Wire
Type 3 Class A
5 ft
10 ft.
Without Wire
Type 3 Class B
5 ft.
6 ft. maximum
17 March, 1992

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March,1992
SILT BASIN TYPE-B:

A silt basin type-B is a temporary basin built to collect sediment flowing through a
drainage way. The silt basin is built at the base of the ditch with its length being at
least 2 times the width of the basin. The type-B silt basin is generally built in
conjunction with temporary rock silt checks and other devices that control or slow
down water flow. This device must be monitored closely and cleaned out on a
regular basis until grass is established along the ditch line and sedimentation is no
longer a problem.
AREAS OF USE:
• In conjunction with temporary rock silt checks and other devices used in
drainage ditches.
DESIGN CRITERIA:
• Width - variable
• Length - 2 times width
• Depth - 2 ft. minimum storage -
1800 cubic feet/acre (equals L x W x D)
23
March, 1992
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March,1992
ROCK PIPE INLET PROTECTION TYPE-A:
?o
a a
A rock pipe inlet protection type-A is a horseshoe shaped structure with a built-in
sediment storage area around the outside perimeter of the structure. The type-A
rock pipe inlet protection shall be used at pipe inlets no larger than 36 inches in
diameter where it is receiving flow from several directions. The type-A rock pipe
inlet protection utilizes class-B stone lined with 1#5 or 1#57 stone to protect drainage
pipe structures by trapping sediment before it enters. They have a sediment storage
pit which is designed by the same procedures as a silt basin.
AREAS OF USE:
• At inlets to pipes no larger than 36 inches in diameter where it receives flow
from several directions.
• In areas where it can be cleaned and maintained on a regular basis.
DESIGN CRITERIA:
• Structural stone - class-B stone
• Sediment control stone -1#5 or 1#57 stone
• Sediment storage area - 1800 cubic ft./acre
• Dam height - 3 ft. minimum
33 March, 1992
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34 March,1992
Rock SILT SCREEN:
A
A rock silt screen is a low-level dam structure to be used in streams below culvert
sites. Rock silt screens shall be used to trap sediment transported by running water
and shall be placed in the stream below the construction site within the right-of-
way or easement boundary. The rock silt screen utilizes class B stone lined with #5
or #57 stone to produce a ripple-effect in the stream to settle the larger sediment
particles transported in the stream from the construction site. The trapped sediment
shall be cleaned out before the device is removed from the stream.
AREAS OF USE:
In live streams below construction sites where construction occurs in or
adjacent to the stream.
In live streams below a culvert construction site.
Where it can be cleaned before it is removed from stream.
DESIGN CRITERIA:
Structural stone - class B stone
Sediment control stone - rr 5 or rr 57 stone
Dam height - 1.5 ft. minimum and 3 ft. maximum (shall not be higher than
1 ft. above normal flow of stream)
37 March, 1992
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