19970485 Ver 1_COMPLETE FILE_19970603

State of North Carolina
Department of Environment
Health and Natural Resources
Division of Water Quall1y

James B. Hunt. Jr.. Governor
Jonathan B. Howes. Secretary
A. Preston Howard. Jr.. P.E.. Director

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~ - -
- - -

DEHNR

June 11, 1997
Swain County
DWQ Project # 970485

APPROVAL of 401 Water Quality Certification and ADDITIONAL CONDITIONS

Mr. C. R. Styles
N.C. Dept. of Transportation
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 place fill material
in 0.002 acres of wetlands or waters for the purpose of paving SR 1185 in Swain County, as you described in your
application dated 22 May 1997. After reviewing your application, we have decided that this fill is covered by
General Water Quality Certification Number 3100. This certification allows you to use Regional Permit Number
031 when it is issued by the Corps of Engineers. 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, Coastal
Storm water, Non-Discharge and Water Supply Watershed regulations. This approval will expire when the
accompanying 404 or CAMA 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 except as modified
below. If you change your project, you must notify us and you may be required to send us a new application. 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) (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. Sediment and erosion control measures
shall adhere to the design standards for sensitive watersheds (T 15A:04B .0024).

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 fmal 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 John Dorney at 919-733-1786.

Attachment
cc: Wilmington District Corps of Engineers
Corps of Engineers Asheville Field Office
Asheville DWQ Regional Office
Mr. John Dorney
Central Files

970485.ltr

Division of Water Quality · Environmental Sciences Branch
Environmental Sciences Branch, 4401 Reedy Creek Rd., Raleigh. NC 27607 Telephone [phone] FAX # [phone]
An Equal Opportunity Affirmative Action Employer. 50% recycled/10% post consumer paper

ot 0,4 t' ')

JAMES B. HUNT JR.
GOVERNOR

STATE OF NORTH CAROLINA

DEPARTMENT OF TRANSPORTATION

DIVISION OF HIGHWAYS . GARlAND B. GARREIT JR.
P 0 B 5 SECRETARY
. . OX 2 0
Bryson City, NC 28713
May 22, 1997

Swain County
SR 1185

401 ISSUED

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Mr. Bob Johnson
215 Army Corps of Engineer
Reg. Field Office
Room 75, Grove Park Ave.
Asheville, NC 28801-2714

Dear Mr. Johnson:

The North Carolina Department of Transportation is proposing to grade, drain, base
and pave primarily along the existing roadway of SR 1185, Lee Cockran Road, in Swain
County. In order to construct this project in accordance with our current secondary road
standards and due to the replacement of one (1) pipe culvert in one unamed tributary of Alarka
Creek (DEM Class C- Tr) 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 in the unnamed tributary of Alarka Creek, general notes and
standards on erosion control measures, and a marked County Map are enclosed. We propose
to install the new culvert slightly below the existing streambed elevation where bedrock is not
encountered to minimize impact to Wildlife habitat and allow the existing stream gradients 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 construction and
will remain in place until the project is stabilized.

By copy of this letter I am asking Mr. Mark Davis, Habitat Cooridinator Western
Mountain District, of the NCWRC to comment directly to you concerning the 404 Nationwide
permit request.

(i)

. ' " ~.' ,,\;'.

Mr. Bob Johnson
Page 2
May 22, 1997

Also by copy of this letter, I am requesting authorization to proceed under Section 401
of the Clear Water Act from Division of Environmental Management. In addition, I am asking
Mr. Davis and Mr. Ed Ingle, Area Roadside Environmental Engineer (NCDOT), and Mr. Richard
Phillips (DEHNR), to commend 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.

CRS:sd
atta.
cc: Mr. Richard Phillips, P. E., Regional Engineer DEHNR
Mr. F. D. Martin, P. E., Division Engineer
Mr. E. L. Ingle, Area Roadside Environmental Engineer
Mr. Eric Galamb, Water Quality Certification Unit, DEM/
Mr. Mark Davis, Habitat Cooridinator W. Mtn. Dist., NCWRC

ACTION ill:
03

DEM ill:
Nationwide Permit Requested (Provide Nationwide Permit #:):

JOINT FORM FOR
Nationwide permits that required notification to the Corps of Engineers
Nationwide permits that require application for Section 401 certification

WILMINGTON DISTRICT ENGINEER
CORPS OF ENGINEERS
DEPARTMENT OF THE ARMY
P. O. Box 1890
Wilmington, NC 28402-1890
ATTN,: CESAW-CO-E
Telephone [phone]

WATER QUALITY PLANNING
DIVISION OF ENVIRONMENTAL MANAGEMENT
NC DEPARTMENT OF ENVIRONMENTAL, HEALTH
AND NATURAL RESOURCES
P. O. Box 29535
Raleigh, NC 27626-0535
ATTN: Mr. John Dorney
Telephone [phone]

ONE (1) COPY OF THIS COMPLETED APPLlCA TION SHOULD BE SENT TO THE CORPS OF ENGINEERS.
SEVEN (7) COPIES SHOULD BE SENT TO THE NC DIVISION OF ENVIRONMENTAL MANAGEMENT.
PLEASE PRINT.

1. Owners Name: North Carolina Department of Transportation

2. Owners Address: P. O. Box 250, Bryson City, NC 28713

3. Owners Phone Number (Home):

(Work) [phone]

4. If applicable Agent's name or responsible corporate official, address, phone number:

C. R. Styles, P. E., District Engineer

5. Location of work (MUST ATIACH MAP). County: Swain

Nearest Town or City: Bryson City

Specific Location (Include road numbers, landmarks, etc): SR 1185 - Lee Cochran Road

6. Name of Closest StreamlRiver:

Alarka Creek

7. River Basin:

Little Tennessee River Basin

8. Is this project located in watershed classified as9 SA HQW, ORW, WSI, or WSII? Yes [Xl No [ 1

9. Have any Section 404 permits been previously requested for use on this property? Yes [l No [ X]

If yes, explain:

10. Estimate total number of acres of waters of the U.S., including wetlands, located on project site:

11. Number of acres of waters of the U. S., including wetlands, impacted by the proposed project.

Filled: 0.002 Ac.
Drained:
Flooded:
Excavated:
Total Impacted: 0.002 Ac.

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12. Description of proposed work (Attach PLANS-8I/2" x II" drawings only):
current North Carolina Department of Transportation standards.

To pave and widen SR 1185 to meet

13. Purpose of Proposed work: Same

14. State reasons why the applicant believes that this activity must be carried out in wetlands. Also, note measure taken to
minimize wetland impacts. See Attachments

15. You are required to contact the U.S. Fish and Wildlife Service (USFWS) and/or Nation Marine Fisheries Service
(NMFS) regarding the presence or any Federally listed or proposed for listing endangered or threatened species or critical
habitat in the permit area that may be affected by the proposed project. Have you done so? YES [X] NO [ ]
With Application

RESPONSES FROM THE USFWS AND/OR NMFS SHOULD BE FORWARDED TO CORPS.

16. You are required to contact the State Historic Preservation Officer (SHPO) regarding the presence of historic properties
in the permit area which may be affected by the proposed project? Have you done so? YES [] NO[ X ]
With Application

17 Additional information required by OEM:

A. Wetland delineation map showing all wetlands, streams, and lakes on the property.
B. If available, representative photograph of wetlands to be impacted by project.
C. If delineation was performed by a consultant, include all data sheets relevant to the placement of the delineation line.
D. If a stormwater management plan is required for this project, attach a copy.
E. What is land use of surrounding property? Rural Woodland _ Residential
F. If applicable, what is proposed method of sewage disposal?

05.22.97
Date

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EROSION CONTROL
DETAILS AND,
SPECIFICATIONS

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Std. :/I:

2 45. 03
245.05
893.01
890.05
245.01
245.02
892.04
895.10
892.01
892.02
897.01
897.02
894.01
245.04

896.01

896.02

896.03

Description

Symbol

Temporary Silt Ditch .............................. -TSO-
Temporary Diversion ............................. _ it) _
Temporary Silt Fence ...................... III III
Temporary Slope Drain with Earth Berm .......... I - -
Silt Basin Type A................................. -0
Silt Basin Type B ........................................... 'l"///J
Temporary Rock Silt Check Type-A ..........~
Temporary Rock Silt Check Type-B ............ ~
Temporary Rock Sediment Dam Type-A ............ ~
Temporary Rock Sediment Dam Type-B... C)
Rock Pipe Inlet Protection Type-A ........... ~ ~
Rock Pipe Inlet Protection Type-B ............ U ~
Rock Silt Screen
.............................................

~~:::::!l,I1:;:,~~~()i;;;;ti;;;;~............................... ~
Type A ............................... A C" OR .. A)
Type B ............................... Be.. OR .. B ]
Type C ............................... C C.. OR .. C ]

J

12

March, 1992

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

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TEMPORARY Sn.T FENCE:

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With Wire

Type 3 Class A
5 ft
10 ft.

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Type 3 Class B
5 ft.
6 ft. maximum

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SaT BASIN TYPE-B:

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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 Lx W x D)

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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 t.ype-A rock pipe
inlet protection utilizes class-B stone lined with #5 or #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:

ROCK PIPE INLET PROTEcrION TYPE-A:

. 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 - #5 or #57 stone
. Sediment storage area - 1800 cubic ft.lacre
. Dam height - 3 ft. minimum

33

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. ~OCK SILT SCREEN:

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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 s~<;>De 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 - # 5 or # 57 stone
· Dam height - 1.5 ft. minimum and 3 ft. maximum ( shall not be higher than
I ft. above normal flow of stream)

37

March, 1992

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EROS'ION' C'ONTROL
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Std. #:

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Description

Symbol

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Temporary D.lversion ............~.......~........ ~ TD -.:-.
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, Temporary Slope' Drain with ~arth Berm .......... I+-+-
Slit Basin Type A ...............:~............~... B .
SUt Basin Type B ..................~....:.........~:......... ~//<<
Temporary Rock Slit Check Type-A ..........~ .
Temporary Rock, Slit Check Type-B ............. ~ .
Temporary Rock Sediment Dam Type-A ............lIial'II
Temporary Rock' Sediment Dam 'Type-B :.. ~
Rock Pipe Inlet Protection Type~A ........... w...; U
Rock Pipe Inlet Protection Type-B .....~...... ()

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Type B . ......:....~~~.:..~...~~.~....... 8 lijl'~ 'OR .. 8 ],
Type C -~"--.~,,..~...,~......'~.~"~..~.:."C [J... OR ',' C]

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