19940691 Ver 1_Complete File_19940728

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
APPROVAL of 401 Water Quality Certification
Mr. D. B. Allen
NC DOT
P.O. Box 5189
Horse Shoe, N.C. 28742
Dear Mr. Allen:
ID EHNR
August 3, 1994
Polk County
DEM Project # 94691
FILE Cnpy
You have our approval to place fill material in waters for the purpose of road
improvement at SR 1151, as you described in your application dated 18 July 1994. After
reviewing your application, we have decided that this fill is covered by General Water
Quality Certification Number 2735. This certification allows you to use Regional Permit
Number 031 when it 'is issued by the Corps of Engineers.
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 and you may be required to
send us a new application. For this approval to be valid, you must follow the conditions
listed in the attached certification. In addition, you should get any other federal, state or
local permits before you go ahead with your project.
If you do not accept any of the conditions of this certification, you may ask for an
adjudicatory hearing. You must act within 30 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 Environmental Management under
Section 401 of the Clean Water Act. If you have any questions, please telephone John
Dorney at 919-733-1786.
. P.E.
Attachment
cc: Wilmington District Corps of Engineers
Corps of Engineers Asheville Field Office
Asheville DEM Regional Office
Mr. John Dorney
Central Files
94691.1tr
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post-consumer paper
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STATE OF NORTH CAROLINA
DEPARTMENT OF TP ANSPORTATION
JAMES B. HUNT. JR DIVISION OF HIGHWAYS SAM HUNT
GOVERNOR SECRETARY
P. O. Box 5189
Horse Shoe, NC 28742
July 18, 1994
SR 1151
Polk County
Mr. Eric Galamb
Division of Environmental Management
P. O. Box 29535
Raleigh, NC 27626
SUBJECT: SR 1151, Green River Cove Road
Trout Stream Buffer Variance Request
Dear Mr. Galamb,
Enclosed you will find 7 copies of the application for a
Trout Stream Buffer Variance Request, on SR 1151 in Polk
County. These are supplied for your review and
distribution.
If further information is needed, please advise.
Sincerely yours,
.'e' /9' 44&?
D. B. Allen
County Maintenance Engineer
DBA/ng
attachments

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DEMID:_ g14 cci 1
Nationwide Permit Requested (provide Nationwide Permit #):
JOINT FORM FOR
Nationwide permits that require 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, MANAGENT
NC DEPARTMEN'T' OF ENVIRONMENT,,:"
AND NATURAL RESOURCES
P.O. Box 29535
Ralei . , NC 27626-0535
Alwrw- MR. JOHN DORNEY
Telephone [phone] .
ONE (1) COPY OF THIS COMPLETED APPLICATION SHOULD 13B SENT TO THE COMPS bv' -ENGINEERS,
SS EVEN E(7) CNO'TPIES SHOULD BE SENT TO THE N.C. DIVISION OF ENVTRONhIENTAL MANAGEMENT.
1. Owners Name:
2. Owners Address
3. owners Phone Number (Home):
(Work):
4. If Applicable: Agent's name or responsible cs rporate official, address, phone number.
5. Location of work (MUST ATTACH MAP). County; y//? <
Nearest Town or City:
Specific Location'(Inciude road numbers, landmarks, etc.): f r?
re 114 Z-
o
5. Name of Closest S trearn/River. _ _ _ __ e ?,?, `?? ,? r • •-
7. River Basin: 42E:?de,`is
8. IS this project located in a watershed classified as Trout, SA, HQW, ORW, WS I, or WS II? YES j)4 NO [ ]
9. Have any Section 404 permits been previously requested for use on this property? YES [ J NO N
If yes, expl
10. Estimated total number of acres of waters of the U.S., including wetlands, located on project site:
i?.
11. Number of acres of waters of the U.S.. including wetlands, impacted by the proposed project:
Filled: AIA
Drained: IV // -
Flooded: ?!V_/g
Excavated: - L.4 .
Total Impacted: IV ?. -
ACTION ID:
12. Description of proposed work (Attach PLANS-8 1R" X I V drawings only). C? ?i?? d? "l.lC ?4
13. Purpose of proposed work: c2 we 4WA;
dam" :IC7i'Hls 2CG w1? .qG l ?rv•/`o/l?ya,7 ?/?G
14. Mate reasons why the appiicant believes that this activity must be carried out in. wetlands. Also, note measures
taken to minimiZC wetjand impacts. L?f7.
15. You are required to contact the U.S. Fish and Wildlife Service (USFWS) and/or National Marine, Fisheries Service
(NUTS) regarding the presence or any Fcdcrally listed orproposed 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 K NO C ]
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 C )
RESPONSE FROM THE SHPO SHOULD BE FORWARDED TO CORPS. "
17. Additional information required by DEM:
A. Wetland delineation map showing all wetlands, streams, acid lakes on the property.
B. If available. rcpresentative photograph of wetlands to be impacted by project.
C. If delineation was perforrridd 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 copy.
E. What is land use of surrounding property?
F. If applicable, what is proposed method of sewage disposal?
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FICATIONS
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12 March, 1992
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 C?=RIA:
Material With Wire Without Wire
Fabric Type 3 Class A Type 3 Class B
Steel posts length 5 ft 5 ft.
Post spacing 10 ft. 6 ft. maximum
17 March, 1992
TEMPORARY SLOPE DRAIN WITH EARTH BERM: E--
A temporary slope drain is a flexible tubing or pipe used to carry concentrated
runoff from the top to the bottom of a cut or fill slope without causing erosion
along the slope. An earth berm is an earth barrier designed to channel runoff into a
number of erasion control devices. A berm is usually constructed with typical on-
site material. T -sections and elbows at the inlets are used to intercept the
directional flow of the runoff, to protect the temporary slope drains from washouts.
AREAS OF USE:
At construction areas where storm water runoff above a cut or fill slope will
cause erosion if allowed to flow over a slope.
DESIGN CRrTERIA:
• Peak runoff from 10 year storm.
• T -section shall be used at inlet for multiple directional flow.
• Elbows shall be used at inlet for single directional flow.
Maximum Drainage Area Pipe Diameter
per Pipe (acres) inches
0.50 12
0.75 15
1.00 18
>1.00 As Designed
19 March, 1992
SILT BASIN TYPE-B:
37;777 E>
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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PIPE OUTLET ENERGY DISIPATOR:
A pipe outlet energy disipator shall be used at pipe outlets to slow the water velocities when it
exits the pipe and flows out ditched or natural waterways. It is an apron of stone of a sufficient
thickness to protect the outlet area from scouring out and causing off-site sedimentation dam-
age. Pipe outlet energy disipators should be built according to the guideline chart shown on
page 52 of this manual.
AREAS OF USE:
• Outlets of pipes and culverts to prevent from scouring.
DESIGN CRITERIA:
• In accordance with chart on page 52.
• Filter fabric, or six inch layer of gravel, shall be used under stone.
MATERIALS :
• Filter Fabric shall meet requirements of section 1056 of Standard Specifications for
Roads and Structures, January. 1, 1990, for type II filter fabric.
Pipe Outlet to Flat Area-
No Well-defined Channel
A A
w
PlaL?
11M I
;.171 .1 tD
oil '- I T . ^ -till
Section AA
Filter Fabric or
Gravel Layer
Where:
L = length of apron (ft)
W = width of apron (ft)
D = thickness of stone (in)
S = class of stone
L
I ]?:!_. l ? T 11 a
pU ?it Il k; Section AA IWF
Filter Fabric or
Gravel layer
46a June, 1992
Pipe Outlet to Well-defined
" . Channel
SPECIAL ROCK TOE EMI3ANKMENT FILL SECTION:
On projects where fill material must be placed in a Buffer Zone it mu
be
embankment. Fill should then be placed behind the rock embankment s built with a rock toe
ial is directly exposed to the buffer zone area. The rock must e C ch that no earth mater-
entire slope is plated with the stone. This procedure shall be im lemente the slope so that the
outlined in the detail shown below P din the sequence as
Sequence for Building Special Rock Toe Embankment Fill
46b
June, 1992