19940594 Ver 1_Complete File_19940627

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. W.T. Bristol
NC DOT
P.O. Box 1551
Andrews, N.C. 28901
Dear Mr. Bristol:
C)EHNF:1
July 5, 1994
Cherokee County
DEM Project # 94594
FILE COPY
You have our approval to place fill material in 0.1 acres of wetlands or waters for the
purpose of road maintenance at SR 1337, as you described in your application dated 22
June, 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
General 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.
Sincerely,
resto owar VrP.E.
rector
Attachment
cc: Wilmington District Corps of Engineers
Corps of Engineers Asheville Field Office
Asheville DEM Regional Office
Mr. John Dorney
Central Files
94594.1tr
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 TRANSPORTATION
DAMES B. HUNT. JR.
GovmNm
DIVISION OF HIGHWAYS
.. I.J _ F.0-X 1551.
F;nd rews , ivl . C . 2890A
June 22, 19 4
R. SAMUEL HUNT II I
SECRETARY
ChiERC)kEE COUNT')
r_ ri 1 3 7
Mr-. Bob Johnson
US Army Corps of Engineers
Rea., Field Office
I=tm. 75, ('Irove Arcad-, Building
57 Battery Park Avenue
0-= hevi l le , N. C. '1189,01-2714
Dear Mr. Johnson"
401 ISSUED
_I he i1orth C`.,=,?rol i.na Department of Transportation (NCDOT )
i proposing to grade. drain, base, and pave primarily along
the existing roadway of SR 1.737, Davis Creek Road, in
Cherokee County. In order to construct this project in
Ac.:r.ordanc:e with our current secondary road standards and due
t.o the proximity of a trout stream (Davis Creek and
tributaries, DEM Class C -- Trout Water) and replacement of
pipe culverts, we are requesting authorization under Section
404 of the Clean Water !pct.
I am -'-,ending a straight line diagram with the proposed
erosion control, stream, stream bank, and construction
limits at various sites along the project where we will be
in conflict with the streams. In addition, I am sending a
t.ypic.al section of the road, cross _-sections, drawings for
pipe culvert replacements, general notes and standards on
-.ome erosion control. measures, and a marked map. We propose
to install the new culverts slightly below the existing
?-.treambed elevations where bedrock is not encountered to
minimi e impacts to wildlife habitat and allow the existing
stream aradient:.s to remain as unchanged as is physically
possible.
The hest, management practices will be used to minimize
and cont.rul sedimentation and erosion on this project. The,
const.ruct:i.on foreman will review all erosion control
measures daily to ensure erosion and sedimentation are being
effectively controlled. If the planned devices are not
functioning as intended, they will immediately be replaces!
9
.4 r
Mr. Bob Johnson
Paye
June 22, 1994
with better devices. The rock silt screens and other
erosion control devices will be in place prior to pipe
culvert construction and will remain in place until the
project is stabilized.
By copy of this letter I am,asking Mr. Mickey
Clemmons, North Carolina Wildlife Resources Commission
fNCWRC) District. Fisheries Biologist to comment directly to
you concerning the 404 Nationwide Permit. Request,.
A request will be made on this project for a temporary
encroachment in the Trout. Water Buffer Zone of Davis Creek
and I am .::asking Mr. Clemmons and Mr. Ed Ingle, Area Roadside
Environmental Engineer (NCDOT) to comment directly to me
concerning the Trout Water Buffer Zone Encroachment.
Also, by copy of this letter, I am requesting
aut.horiz.::ation to proceed unde=r Section 401 of the Clean
Water Fact from the Division of Environmental Management.,
We would like to begin construction as soon as
possible. If further information is required, please
contact me at 704-51~-4105. Your early review and
consideration will be greatly appreciated.
Sincerely,

W. T. Bristol
County Maintenance Engineer
WTB/rr
rat t:achment.s
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. J. B. Set.zer, P. E., District Engineer
Mr. Eric Galamb, Water Quality Certification Unit, DEil
Mr, David Yow, Dist. 9 Environmental Cordinator
ROAD NAME. • DAVIS CREEK
S R 1"ii/
6.9171
FROM E.O.P. OF SR-1337 53100 TO 141#50 END OF STATE MAINTENANCE
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EROSION CONTROL
DETAILS AND
SPECIFICATIONS

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245.03 Temporary Silt Ditch .............................. 730-__ VI - 2
245.05 Temporary Diversion ............................. 'M ___._ ___ VI - 4
893.01 Temporary Silt Fence
..................... -tit-tH VI - 6
- --------
890.05 Temporary Slope Drain with Earth Berm ......... .
245.01 Silt Basin Type A ... -- ----- Vi- 10
45.02 Silt Basin Type B VI -12
892.04 Temporary Rock Silt Check Type-A `,. ......... ft. N7, 14
895.10 Temporary Rock Silt Check Type-13 ......,..... ------------ V1-16
892.01 Temporary Rock Sediment Dam Type-A
.......... ___ VI -1s
892.02 Temporary Rock Sediment Dam Type-13 ,_, U ________--_ V1- 20
897.01 Rock Pipe Inlet Protection ......................... ___ VI - 22
. A
894.01 Rock Silt Screen
J 'te'
VI .24

245.04
Stilling Basin 26
-
Rock Inlet Protection:
896.01 Type A ...................... ..... A E F OR --A) ----- VI - 30
896.02 Type B ............................... B EF OR --B) ----- VI - 32
896.03 Type C ............................. C .. Y:# -• OR • C a ---- VI - 34
VI-1
March, 1993
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 DZ 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 CRnimA:
Mateiial -With NMre without wire
Fabric Type 3 Class A Type 3 Class B
Steel posts length S ft 5 ft.
Post spacing 10 ft. 6 ft. maximum

VI-6 March, 1993
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VI-7 Match, 1993
TEMPORARY ROCK SILT CHECK TYPE-B:
A temporary rock silt check type-B (also called check dam) is a small dam with a
weir used to reduce gullying in drainage ditches that are to be filled or
permanently stabilized at a later date. These type-B rock silt checks help reduce
the flow velocity and are generally made of class-B stone. They are used in ditches
during construction where the grade meets and/or exceeds 3%.
AREAS OF USE:
• In channels, roadside ditch outlets, temporary silt ditches, and temporary
diversions.
• In conjunction with type-B silt basins.
DESIGN CRITERIA:
• Center of rock silt check shall be at least 1 foot lower than the outer edges
(top of channel sides)
• The spacing (ft.) = (3 / % of ditch grade) X 100 ft.

VI-16 March. 1993
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ROCK PIPE INLET PROTECTION:
%J,
A rock pipe inlet protection is a horseshoe shaped structure with a built-in
sediment storage area around the outside perimeter of the structure. The rock pipe
inlet protection shall be used at pipe inlets no larger than 24 inches in diameter
where it is receiving flow from several directions. The 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. This device can also be used
around the inlet of temporary slope drains where space is limited at the outlet end
of the slope drain such that a basin or other device can not be used.
AREAS F USE:
• At inlets to pipes no larger than 24 inches in diameter where it receives flow
from several directions.
• In areas where it can be cleaned and maintained on a regular basis.
DESIGN CRTI'ERIA:
Structural stone - class-B stone
• Sediment control stone - #5 or #57 stone
• Sediment storage area - 1800 cubic ft./acre
• Dam height - 3 ft. minimum
VI-22
March, 1993
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STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
DAMES B. HUNT. )R.
Govi RNOR
DIVISION Of HIGHWAYS
I- c--? ox
A nd r ews , 1\1. C. 28"901
June '212 , 1994
R. SAMUEL HUNT I I I
SECRETARY
401 ISSUED
Cf-IEROkEE C00NTY
r_:R 1337
Mr . Bob Johnson
US Army Corps of Engineers
Reg.. Field Office
!',gym. 75, Grove Arcade Building
;:,7 Battery Bark Avenue
Asheville, N. C. 28901--2714
Gear Mr.: Johnson-
The W)rth c%,Arolina Dopar Lment of Transportation (.NCDOT )
i•::, proposing to grade, drain, base, and pave primarily along
the ex.i.sting roadway of SR 1337, Davis Creek Road, in
Cherokee County. In order to construct this project in
ac:cordanc::e with our current secondary road standards and due
to the proximity of a trout stream (Davis Creek and
tributaries, DEM Class C - Trout Water) and replacement of
pipe culverts` we are requesting authorization under Section
404 of this Clean Water Act.
I am ?eridiria a straight line diagram with the proposed
erosion control, stream, stream bank, and construction
limits at various sites along the project where we will be
in conflict with the streams.: In addition, I am sending a
t:.ypi.c:•_:.1 uection of the road, cross sections, drawings for
pipe culvert replacements, general notes and standards on
.ome erosion control measures, and a marked map. We propose
to install the new culverts slightly below the existing
>t.reambed elevations where bedrock is not encountered to
minimize impacts to wildlife habitat and allow the existing
stream uradients• to remain as unchanged as is 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 erosion and sedimentation area being
e,ffective.l.y controlled. If the planned devices are not
functionina is intended, they will immediately be replaces!
is
Mr. Bob Johnson
Page
June 22. 1qq4
with better devices. The rock silt screens and other
erosion control devices will be in place prior to pipe
culvert construction and will remain in place until the
project is stabilized.
By copy of this letter I am.asking Mr. Mickey
Clemmons., North Carolina Wildlife Resources Commission
(NCWRC) District Fisheries Biologist to comment directly to
you concei ning the 404 Nationwide Permit. Request.
A request will be made on this project for a temporary
encroachment in the Trout. Water Buffer Zone of Davis Creek
and I :gym :asking Mr. Clemmons and Mr. Ed Ingle, Area Roadside
Environmental Engineer (NCDOT) to comment directly to me
concerning the Trout Water Buffer Zone Encroachment.
Also, by copy of this letter, I am requesting
authorization to proceed under Section 401 of the Clean
Water Act from the Division of Environmental Management.
We would like to begin construction as soon as
possible. If further information is required, please
contact me at 704-321-4106. Your early review and
consideration will be greatly appreciated.
Sincerely,

W. T. Bristol
County Maintenance Engineer
WTB j r.r
Attachments
::c; 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. J. B. Set.zer, P. E., District Engineer
Mr. Eric Ga.lamb, Water Quality Certification Unit, DEM
Mr.. David Yow, Dist. 9 Environmental Cordinator
GOAD NAME DAV 1S CRF.F.K
FROM F. 0. 11. OF SR-1337 53#00 TO 141#50 END OF STATF: MA IN"fENANCF.
AM)ITION
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12-02-93

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H3ilG
EROSION CONTROL
DETAILS AND
SPECIFICATIONS
01
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Temporary Silt Ditch • ............................. V1-2
Temporary Diversion ,••,•,,,.,,,,•• .............. To V1-4
Temporary Silt Fence •......,,•,,,,,,,,,,,, -------- V1, 6
Temporary Slope Drain with Earth Berm .......... J-=.= V1-8
Silt Basin Type A ................................. .0 ------------ Vi- 10
Silt Basin Type B ........................................... --- VI -12
Temporary Rock Silt Check Type-A ;,,,.,,. ------- ____ VI -14
Temporary Rock Silt Check Type-B ............ * ____________ VI -16
Temporary Rock Sediment Dam Type-A „.,,,,...•. ___ VI -18
Temporary Rock Sediment Dam Type-B ,., :) ----------- VI - 20
Rock Pipe Inlet Protection ,,,,,,,,,,,,,,,,,,,,•,_•. .
--- VI.22
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Rock Silt Screen ...... ............... ......... ...........' ------------ VI - 24
Stilling Basin ..................................................... ®----- VI-26_
Rock Inlet Protection:

Type A ............................... A LU OR --A) ----- VI - 30
Type B ............................... B ?.. OR • B ) ----- V1, 32
Type C ...... ...................... C ? -• OR - C) ---- VI - 34
VI-1
March, 1993

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 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 CRnimA:
Material !ith Wire Without Wire
Fabric Type 3 Class A Type 3 Class B
Steel posts length 5 ft 5 fL
Post spacing 10 ft. 6 ft. maximum
VI-6 March, 1993
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VI-7 March, 1993
TEMPORARY ROCK SILT CHECK TYPE-B:
A temporary rock silt check type-B (also called check dam) is a small dam with a
weir used to reduce gullying in drainage ditches that are to be filled or
permanently stabilized at a later date. These type-B rock silt checks help reduce
the flow velocity and are generally made of class-B stone. They are used in ditches
during construction where the grade meets and/or exceeds 3%.
AREAS OF USE:
• In channels, roadside ditch outlets, temporary silt ditches, and temporary
diversions.
• In conjunction with type-B silt basins.
DESIGN CRr ERIA:
Center of rock silt check shall be at least 1 foot lower than the outer edges
(top of channel sides)
• The spacing (ft.) = (3 / % of ditch grade) X 100 ft.

VI-16 March, 1993
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ROCK PIPE INLET PROTECTION:
s
A rock pipe inlet protection is a horseshoe shaped structure with a built-in
sediment storage area around the outside perimeter of the structure. The rock pipe
inlet protection shall be used at pipe inlets no larger than 24 inches in diameter
where it is receiving flow from several directions. The 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. This device can also be used
around the inlet of temporary slope drains where space is limited at the outlet end
of the slope drain such that a basin or other device can not be used.
AREAS F USE: _
• At inlets to pipes no larger than 24 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 - #S or #57 stone
Sediment storage area- 1800 cubic ft./acre
• Dam height - 3 ft. minimum

VI-22 March, 1993
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