20010614 Ver 1_COMPLETE FILE_20010417

Michael F. Easley
f; Governor
William G. Ross, Jr., Secretary
Department of Environment and Natural Resources
Kerr T. Stevens
Division of Water Quality
May 10, 2001
DWQ# 01-0614
Surry County
Bern Schumack
6519 Haystack Road
Dobson, NC 27017
APPROVAL of 401 Water Quality Certification
Dear Mr. Schumack:
You have our approval, in accordance with the attached conditions, to stabilize 200 linear feet of streambank
stabilization on the banks of Mitchell River on your property in Surry County, as described in your application received by
the Division of Water Quality on April 17, 2001. After reviewing your application, we have determined that this fill is covered
by General Water Quality Certification Number 3258. This Certification allows you to use Nationwide Permit Number 13
when it is issued by the U.S. Army 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, 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 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 John Dorney at 919-733-9646.
Sincerely,
J Rr. Steve
Attachment
cc: Corps of Engineers Raleigh Regulatory Field Office
Winston-Salem DWQ Regional Office
Central Files
File Copy
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)
DEM ID: CORPS ACTION ID:
NATIONWIDE PERMIT REQUESTED (PROVIDE NATIONWIDE PERMIT
#): 13
PRE-CONSTRUCTION NOTIFICATION APPLICATION
FOR NATIONWIDE PERMITS THAT REQUIRE:
1) NOTIFICATION TO THE CORPS OF ENGINEERS
2) APPLICATION FOR SECTION 401 CERTIFICATION
3) COORDINATION WITH THE NC DIVISION OF COASTAL MANAGEMENT
SEND THE ORIGINAL AND (1) COPY OF THIS COMPLETED FORM TO THE
APPROPRIATE FIELD OFFICE OF THE CORPS OF ENGINEERS (SEE
AGENCY ADDRESSES SHEET). SEVEN (7) COPIES SHOULD BE SENT TO
THE N.C. DIVISION OF ENVIRONMENTAL MANAGEMENT (SEE AGENCY
ADDRESSES SHEET). PLEASE PRINT.
1. OWNERS NAME: Bern Schumack
2. MAILING ADDRESS: 6519 Haystack Rd
UBDIVISION NAME:
CITY: Dobson STATE: NC ZIP CODE: 27017
PROJECT LOCATION ADDRESS, INCLUDING SUBDIVISION NAME (IF
DIFFERENT FROM MAILING ADDRESS ABOVE):
3. TELEPHONE NUMBER (HOME): 336-3801 (WORK): N/a
4. IF APPLICABLE: AGENT'S NAME OR RESPONSIBLE CORPORATE
OFFICIAL,ADDRESS, PHONE NUMBER: Will Harman, Buck
Engineering 1152 Executive Circle Suite 100, Cary, NC
27511, [phone]
5. LOCATION OF WORK (PROVIDE A MAP, PREFERABLY A COPY OF
USGS TOPOGRAPHIC MAP OR AERIAL PHOTOGRAPHY WITH SCALE):
COUNTY: Surry NEAREST TOWN OR CITY: Elkin
See Enclosed Report
SPECIFIC LOCATION (INCLUDE ROAD NUMBERS, LANDMARKS, ETC.)
Just downstream of the Mitchell River Bridge at Haystack
Road and River Road.

6. IMPACTED OR NEAREST STREAM/RIVER: Mitchell River
RIVER BASIN: Yadkin
7a. IS PROJECT LOCATED NEAR WATER CLASSIFIED AS TROUT, TIDAL
SALTWATER(SA), HIGH QUALITY WATERS (HQW), OUTSTANDING
RESOURCE WATERS (ORW) , WATER SUPPLY (WS - I OR WS - II) ? YES [X] NO []
IF YES, EXPLAIN: The Mitchell River is classified as ORW. Downstream of
the project is classified as Trout Water.
7b. IF THE PROJECT IS LOCATED WITHIN A NORTH CAROLINA DIVISION OF
COASTAL MANAGEMENT ARE OF ENVIRONMENTAL CONCERN (AEC)? YES [ ] NO [ ]
7c. IF THE PROJECT IS LOCATED WITHIN A COASTAL COUNTY (SEE PAGE 7 FOR
LIST OF COASTAL COUNTIES), WHAT IS THE LAND USE PLAN (LUP) DESIGNATION:
8a. HAVE ANY SECTION 404 PERMITS BEEN PREVIOUSLY REQUESTED FOR USE ON
THIS PROPERTY? YES [ ] NO [X] IF YES, PROVIDE ACTION I.D. NUMBER OF
PREVIOUS PERMIT AND ANY ADDITIONAL INFORMATION (INCLUDE PHOTOCOPY OF 401
CERTIFICATION):
8b. ARE ADDITIONAL PERMIT REQUESTS EXPECTED FOR THIS PROPERTY IN THE
FUTURE? YES [ ] NO [X] IF YES, DESCRIBE ANTICIPATED WORK:
9A. ESTIMATED TOTAL NUMBER OF ACRES IN TRACT OF LAND: 100
9B. ESTIMATED TOTAL NUMBER OF ACRES OF WETLANDS LOCATED ON PROJECT SITE:
10A. NUMBER OF ACRES OF WETLANDS IMPACTED BY THE PROPOSED PROJECT BY:
FILLING: 0 EXCAVATION:
FLOODING:
DRAINAGE:
OTHER:
TOTAL ACRES TO BE IMPACTED: 0
10B. (1) STREAM CHANNEL TO BE IMPACTED BY THE PROPOSED PROJECT (IF
RELOCATED, PROVIDE DISTANCE BOTH BEFORE AND AFTER RELOCATION):
LENGTH BEFORE: 2,000 FT AFTER: 2,000 FT
WIDTH BEFORE (based on normal high water contours): 60 - 70 FT
2
WIDTH AFTER: 60
AVERAGE DEPTH BEFORE: 4.5 FT AFTER: 4.5 FT
(2) STREAM CHANNEL IMPACTS WILL RESULT FROM: (CHECK ALL THAT APPLY)
OPEN CHANNEL RELOCATION: PLACEMENT OF PIPE IN CHANNEL:
CHANNEL ELEVATION: CONSTRUCTION OF A DAM/FLOODING:
OTHER: Placement of Instream Structures and Bank Stabilization
11. IF CONSTRUCTION OF A POND IS PROPOSED, WHAT IS THE SIZE OF THE
WATERSHED DRAINING TO THE POND? N/a
WHAT IS THE EXPECTED POND SURFACE AREA? N/a
12. DESCRIPTION OF PROPOSED WORK INCLUDING DISCUSSION OF TYPE OF
MECHANICAL EQUIPMENT TO BE USED (ATTACH PLANS: 8%" x 11" DRAWINGS ONLY):
See enclosed report
13. PURPOSE OF PROPOSED WORK: See enclosed report
14. STATE REASONS WHY IT IS BELIEVED THAT THIS ACTIVITY MUST BE CARRIED
OUT IN WETLANDS. (INCLUDE ANY MEASURES TAKEN TO MINIMIZE WETLAND
IMPACTS):
See enclosed report
15. YOU ARE REQUIRED TO CONTACT THE STATE HISTORIC PRESERVATION OFFICER
(SHPO) (SEE AGENCY ADDRESSES SHEET) REGARDING THE PRESENCE OF HISTORIC
PROPERTIES IN THE PERMIT AREA WHICH MAY BE AFFECTED BY THE PROPOSED
PROJECT. DATE CONTACTED:
3
15. YOU ARE REQUIRED TO CONTACT THE STATE HISTORIC PRESERVATION OFFICER
(SHPO) (SEE AGENCY ADDRESSES SHEET) REGARDING THE PRESENCE OF HISTORIC
PROPERTIES IN THE PERMIT AREA WHICH MAY BE AFFECTED BY THE PROPOSED
PROJECT. DATE CONTACTED:
16. DOES THE PROJECT INVOLVE AN EXPENDITURE OF PUBLIC FUNDS OR THE USE
OF PUBLIC(STATE) LAND? YES [X] NO [ ) (IF NO, GO TO 18)
a. IF YES, DOES THE PROJECT REQUIRE PREPARATION OF AN ENVIRONMENTAL
DOCUMENT PURSUANT TO THE REQUIREMENTS OF THE NORTH CAROLINA
ENVIRONMENTAL POLICY ACT?
YES [ ) NO [X]
b. IF YES, HAS THE DOCUMENT BEEN REVIEWED THROUGH THE NORTH CAROLINA
DEPARTMENT OF ADMINISTRATION STATE CLEARINGHOUSE? YES [ ] NO [X)
IF ANSWER TO 17b IS YES, THEN SUBMIT APPROPRIATE DOCUMENTATION FROM THE
STATE CLEARINGHOUSE TO DIVISION OF ENVIRONMENTAL MANAGEMENT REGARDING
COMPLIANCE WITH THE NORTH CAROLINA ENVIRONMENTAL POLICY ACT.
QUESTIONS REGARDING THE STATE CLEARINGHOUSE REVIEW PROCESS SHOULD BE
DIRECTED TO MS. CHRYS BAGGETT, DIRECTOR STATE CLEARINGHOUSE, NORTH
CAROLINA DEPARTMENT OF ADMINISTRATION, 1302 Marl Service Center,
RALEIGH, NORTH CAROLINA 27699-1302, TELEPHONE [phone].
17. THE FOLLOWING ITEMS SHOULD BE INCLUDED WITH THIS APPLICATION IF
PROPOSED ACTIVITY INVOLVES THE DISCHARGE OF EXCAVATED OR FILL MATERIAL
INTO WETLANDS: a. WETLAND DELINEATION MAP SHOWING ALL WETLANDS, STREAMS,
LAKES AND PONDS ON THE PROPERTY (FOR NATIONWIDE PERMIT NUMBERS 14, 18,
21, 26, 29, AND 38). ALL STREAMS (INTERMITTENT AND PERMANENT) ON THE
PROPERTY MUST BE SHOWN ON THE MAP. MAP SCALES SHOULD BE 1 INCH EQUALS 50
FEET OR 1 INCH EQUALS 100 FEET OR THEIR EQUIVALENT.
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. ATTACH A COPY OF THE STORMWATER MANAGEMENT PLAN IF REQUIRED.
e. WHAT IS LAND USE OF SURROUNDING PROPERTY? Agricultural
f. IF APPLICABLE, WHAT IS PROPOSED METHOD OF SEWAGE DISPOSAL?
g. SIGNED AND DATED BY AGENT AUTHORIZATION LETTER, IF APPLICABLE.
WETLANDS OR WATERS OF THE U.S. MAY NOT BE IMPACTED PRIOR TO:
1) ISSUANCE OF A SECTION 404 CORPS OF ENGINEERS PERMIT, AND
2) EITHER THE ISSUANCE OR WAIVER OF A 401 DIVISION OF ENVIRONMENTAL
MANAGEMENT (WATER QUALITY) CERTIFICATION.
O N 'S/AGENT'S SIGNATURE DATE
(AGENT'S SIGNATURE VALID ONLY
IF AUTHORIZATION LETTER FROM
THE OWNER IS PROVIDED (18G.))
44" 12?a /
DATE
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IL
Permanent Seeding Specifications
Permanent seeding will be used in combination with woody plantings for riparian areas
along the right bankfull bench, terrace scarp, and terrace. This mixture shall be planted in
late fall or winter in combination with the temporary seeding operation and woody plant
installations. Seeding should be done evenly over the area using a mechanical or hand
seeder. A drag should be used to cover the seed with no more than '/2 inch of soils.
Where a drag cannot safely be utilized, the seed should be covered by hand raking.
Note: Brown top millet will be seeded on the bankfull bench, terrace scarp, terrace and all
construction areas for erosion control purposes. Seeding will occur at the time of
construction. The C 125 BN erosion control matting will be installed on the bankfull
bench and terrace scarp.
Seedbed Preparation
On sites where equipment can be operated safely, the seedbed shall be adequately
loosened. Disking may be needed in areas where soil is compacted. Steep banks my
require roughening, either by hand scarifying or by equipment, depending on site
conditions. If seeding is done immediately following construction, seedbed preparation
may not be required except on compacted, polished or freshly cut areas. If permanent
seeding is performed in conjunction with temporary seeding, seedbed preparation only
needs to be executed once.
Fertilizing/Liming
Areas fertilized for temporary seeding shall be sufficiently fertilized for permanent
seeding; additional fertilizer is not required for permanent seeding.
Seeding
A riparian seed mix at the rate of '/4 lb per 1,000 sq ft or 10 lbs per acre shall be used for
seeding. The following table lists herbaceous, permanent seed mixture labeled "riparian
seed mix"
Common Name Scientific Name %
Rice Cut Grass Leersia o wides 10
Soft Rush Juncus a usus 10
Deerton ue Panicum clandestinum 10
Switch grass Panicum vir atum 5
Jack-in-the-Pulpit Arisaema tri h llum 5
Ironweed vernonia noveboracensis 5
Three-square Bulrush Scir us americanus 5
Wool grass Scir us c erinus 5
Virginia Wild rye El mus vir inicus 5
Sensitive Fern Onoclea sensibilis 5
Ho Sedge Carex lu ilina 5
Fox Sedge Carex vul inoidea 5
Swam Sunflower Helianthus an ti olius 5
Joe P ye Weed Eu atorium istulosum 5
Cinnamon Fern Osmunda cinnamomea 5
Cardinal Flower Lobelia cardinalis 5
Witch-hazel Hamamelis vir iniana 5
WOODY VEGETATION PLANTINGS
SCOPE
Woody vegetation, including live stakes, transplants, and bare root vegetation shall be
used in all areas at or above the bankfull bench. The work covered in this section
consists of furnishing, installing, maintaining, and replacing vegetation as shown in the
plans or in locations as directed by Engineer/Project Manager.
LIVE STAKING
Live stake materials should be dormant and gathered locally or purchased from a
reputable commercial supplier. Stakes should by `/2 to 2 inches in diameter, 2 to 3 feet in
length, and living based on the presence of young buds and green bark. Stakes shall be
angled on the bottom and cut flush on the top with buds oriented upwards. All side
branches shall be cleanly trimmed so the cutting is one single stem. Stakes should be kept
cool and moist to improve survival and to maintain dormancy.
Live staking plant material shall consist of a random assortment of materials selected
from the following:
Silky Dogwood (Corpus amomum)
Silky Willow (Salix sericea)
Elderberry (Sambucus canadensis)
Other species may be substituted upon approval of Engineer/Project Manager.
Planting shall take place in late fall or early winter. Stakes should be installed randomly
2 to 3 feet apart using triangular spacing or at a density of 160 to 360 stakes per 1,000 sq
ft along the stream banks above bankfull elevation. Site variations may require slightly
different spacing. Stakes shall be driven into the ground using a rubber hammer or by
creating a hole and slipping the stake into it. The stakes should be tamped in at a right
angle to the slope with 4/5 of the stake installed below the ground surface. At least two
buds (lateral and/or terminal) shall remain above the ground surface. The soils shall be
firmly packed around the hole after installations. Split stakes shall not be installed.
Stakes that split during installations shall be replaced.
BARE ROOT VEGETATION
Bare root vegetation to be planted along both sides of the new channel stream banks
above bankfull elevation and in the floodplain restoration area shall consist of a random
assortment of shrub and tree species including, but not limited to the following:
Common Name Scientific Name
Sycamore Platanus occidentalis
Black walnut Ju lans ni ra
Black cherry Prunus serotina
Silverbell Halesia carolina
Persimmon Dios ros vir iniana
Black um N ssa s Ivatica
Witch-hazel Hamamelis vir iniana
S icebush Lindera benzoin
Tag alder Alnus serrulata
Planting shall take place in early spring. Immediately following delivery to the project
site, all plants with bare roots, if not promptly planted, shall be heeled-in in constantly
moist soil or sawdust in an acceptable manner corresponding to generally accepted
horticultural practices.
While plants with bare roots are being transported to and from heeling-in beds, or are
being distributed in planting beds, or are awaiting planting after distribution, the
contractor shall protect the plants from drying out by means of wet canvas, burlap, or
straw, or by other means acceptable to Engineer/Project Manager and appropriate to
weather conditions and the length of time the roots will remain out of the ground.
Soil in the area of shrub and tree plantings shall be loosened to a depth of at least 5
inches. This is necessary only on compacted soil. Bare root vegetation may be planted in
hole made by a mattock, dibble, planting bar, or other means approved by
Engineer/Project Manager. Rootstock shall be planted in a vertical position with the root
collar approximately '/2 inch below the soil surface. The planting trench or hole shall be
deep and wide enough to permit the roots to spread out and down without J-rooting. The
plant stem shall remain upright. Soil shall be replaced around the transplanted vegetation
and tamped around the shrub or tree firmly to eliminate air pockets.
The following spacing guidelines of rooted shrubs and trees are provided in the following
table.
Type S acin # Per 1,000 s ft
Shrubs <10 ft tall 3 to 6 ft 25 to 110
Shrubs and trees 10-25 ft 6 to 8 ft 15 to 25
Trees >25 ft tall 8 to 15 ft 4 to 15
SHRUB AND TREE TRANSPLANTS
Shrub and trees less than 3 inches in diameter shall be salvaged onsite in areas designated
for construction, access areas, and other sites that will necessarily be disturbed.
Vegetation to be transplanted will be identified by the Engineer/ Project Manager
personnel. Transplanted vegetation shall carefully be excavated with rootballs and
surrounding soil remaining intact. Care shall be given not to rip limbs or bark from the
shrub and tree transplants. Vegetation should be transplanted immediately, if possible.
Otherwise, transplanted vegetation shall be carefully transported to designated stockpile
areas and heeled-in in constantly moist soil or sawdust in an acceptable manner
appropriate to weather or seasonal conditions. The solidity of the plants shall be
carefully preserved.
Installation of shrub and tree transplants shall be located in designated areas along the
stream bank above bankfull elevation or in floodplain restoration areas as directed by
Engineer/Project Manager. Soil in the area of vegetation transplants shall be loosened to
a depth of at least 1 foot. This is only necessary on compacted soil. Transplants shall be
replanted to the same depth as they were originally growing. The planting trench or hole
shall be deep and wide enough to permit the roots to spread out and down without J-
rooting. The plant stem shall remain upright. Soil shall be replaced around the
transplanted vegetation and tamped around the shrub or tree firmly to eliminate air
pockets.
ri FFPI•?1\/P i? i?nnn
MATERIAL SPECIFICATION
NORTH
AMERICAN 40
GREE NO C125 B N
The coconut fiber channel lining shall be a machine-produced 100% biodegradable 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 covered on the top and bottom sides
with 100% biodegradable woven, natural, organic fiber netting. The netting shall consist
of machine directional strands formed from two intertwined yarns with cross
directional strands interwoven through the twisted machine strands (commonly
referred to as a Leno weave) to form an approximate 0.50 x 1.00 inch (1.27 x 2.54 cm)
mesh. The blanket shall be sewn together on 1.50 inch (3.81 cm) centers (50 stitches per
roll width) with biodegradable thread.
The blanket shall be manufactured with a colored line or thread stitched along both
outer edges (approximately 2-5 inches [5-12.5 cm] from the edge) to ensure proper
material overlapping.
The coconut fiber channel lining shall be C125 BN as manufactured by North American
Green, or equivalent. The coconut fiber channel lining shall have the following
properties:
Material Content
Matrix 100% coconut fiber
(0.50 lb/ yd2) (0.27 kg/ m2)
Netting Both sides, Leno woven 100% biodegradable organic jute fiber
(9.30 lbs/1,000 ft2 [4.50 kg/100 m2] approximate weight)
Thread Biodegradable
Physical Specifications (per roll)
English Metric
Width 6.67 ft +5% 2.03 m
Length 108.00 ft +5% 32.92 m
Weight 53.50 lbs +10% 28.80 kg
Area 80 yd2 66.89 m2
Stitch Spacing 1.50 inches 3.81 cm
010614, Mitchell River -Bern Schumack Stream Stabilization, Surry County
Subject: 010614, Mitchell River -Bern Schumack Stream Stabilization, Surry County
Date: Wed, 02 May 2001 10:30:26 -0400
From: Jennifer Frye <[e-mail]>
Organization: NC DENR Water Quality
To: Todd St John <[e-mail]> 401 ISSUED
Todd,
Once again, I took a quick look at this project plans (thanks for
sending them to me!) and, if this project is to use GC 3258 for
streambank stabilization, I don't believe that written concurrence
should be necessary. The only section that they are proposing hard
armouring is for a cattle crossing; which, installed properly, should be
okay.
Thanks,
Jennifer
Jennifer Serafin Frye
Division of Water Quality
NC Department of Environment and Natural Resources
Winston-Salem Regional Office
Winston-Salem, NC 27107
Voice: 336-771-4608 ext. 275 Fax: [phone]
1 of 1 5/3/01 6:49 AM
It" Mpg- J If i I11 1 W l
April 13, 2001
401 ISSUED
10#
To: John Thomas, US Army Corps of Engineers n
Todd St. John, NC Division of Water Quality IDA V
Ron Linville, NC Wildlife Resources Commission
Richard Everhart, Natural Resources Conservation Service
Charles Anderson, Pilot View RC&D
Bern Schumack, Landowner
From: Will Harman Buck Engineering
?N
Re: Permit application for the Mitchell River, Bern Schumack Reach
Stream Stabilization Project
L"
Please find enclosed a Pre-Construction Notification Application and a natural channel
design for the Mitchell River, Schumack Reach. The project is located in Surry County.
The purpose of the project is to stabilize eroding streambanks and improve aquatic
habitat along 2,000 feet of the Mitchell River. This is not a stream mitigation project.
The following information is included with the permit application:
1. Plan View Design,
2. Instream Structure Details,
3. Design Cross Sections,
4. Pebble Count Data,
5. Planting Plan.
Since this is a bank stabilization/ habitat improvement project and does not include a
change in channel geometry, a detailed report is not included with this application. If you
need additional information, please contact Will Harman at [phone] x 205.
Enclosures
1152 Executive Circle, Suite 100 • Cary, North Carolina 27511
Phone: [phone] • Fax: [phone]
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,!i~-~;' SEE DETAIL

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I

PROPOSED CATTLE CROSSING ~ ~ ~ ; I ~
~ j~F
~w~ r
l'
I"i" , (t?
i ~ ti ~ /
! f
p'"~ / ; , BEGIN ~ STATiUN !2+9~+ %fi P i,
, t i ~ 1 '
; i/~ / i GATE j ~
i ~ t ~ / i~~/
l ~ CRO55 SECTION AT STATION 14+62 ~ ~ , „ y ~ '
y s ,
~~iJf a° /f ~ ~ ~
; ~ ~ y a+. i/j f y '
~ / : / y 77
~ y
I r' > y J. y, ~ `Y
y g / » y
y / 1. y
~ ~ / .Y RIGHT TOP OF BANK
~ ~ "I
~ LEFT TOP OF BANK ~t y
j~ ; " RIGHT BANK OF CHANNEL t ~ ,
LOG J-HOOK 1J I~ i~; ' ~ LEFT BANK OF CHANNEL I ~1
~ EDGE OF ROAD
PROPOSED BANKFULL BENCH ' ar d;
E ~ ~'i MAJOR CONTOUR Y
I - MINOR CONTOUR LOG J-HOOK i PASTURE LAND x
I FENCE /y ~ , , ( g ~
I ~ CROSS SECTION LOCATION w
POWER POLE
Q BOULDER q I J
r 1 T ( ROOT WAD
1 ~ ; t
~ ~ ~ ~ ~ j BANKFULL BENCH AREA
.1 s~ ~ y~
I~
I ~ 11'~
~ ~ 1'', 100 50 0 50 100 150 200 y
LOG J-HOOK y
~ y s y y
J' ` Y
uF~P y
o ~ 1152 EXECUTIVE CIRCLE
p SUITE 100
p CARY~ NC 27511 a ,
END STATION 20+84
...1Survey datalsouthforkburns.dgn 04!16/200102:18:18 PM

ROOT WADS DOUBLE WING DEFLECTOR CONVERGING ROLLER E[ LER EDDY
NOTES: SHARPEN THE END OF THE LOG WITH A CHAINSAW BEFORE "DRIVING" IT INTO THE
I! BANK. ORIENT ROOT WADS UPSTREAM SO THAT THE STREAM FLOW MEETS THE ROOT WAD AT A 90-DEGREE ANGLE, DEFLECTING THE WATER AWAY FROM THE BANK. A TRANSPLANT OR 1/3 OF PROPOSED 7/3 OF PROPOSED 1/S OF PROPOSED 1/3 OF PROPOSED 713 OF PROPOSED 1IS OF PROPOSED i OF PROPOSED
~ BOTTOM WIDTH BOTTOM WIDTH BOTTOM WIDTH - ( i, BOULDER SHOULD BE PLACED ON THE DOWNSTREAM SIDE OF THE ROOT WAD IF A BACK EDDY ~ ~ BorroN wlDm BorroM wIDrH eorroM WIDTH IS FORMED BY THE ROOT WAD. THE BOULDER SHALL BE APPROXIMATELY 48" X 36" X 24". r ~ ~ tOTTOM WIDTH
IF THE ROOT WAD CANNOT BE DRIVEN INTO THE BANK OR - -
THE BANK NEEDS TO BE RECONSTRUCTED, THE TRENCHING METHOD SHOULD BE USED. THIS x METHOD REQUIRES THAT A TRENCH BE EXCAVATED FOR THE LOG PORTION OF THE ROOT WAD. \ / \
IN THIS CASE, A FOOTER LOG CAN BE INSTALLED UNDERNEATH THE ROOT WAD. , ~ THE FOOTER LOG SHOULD BE PLACED IN A TRENCH EXCAVATED PARALLEL TO THE BANK AND ~ I
WELL BELOW THE STREAMBED. THE ROOT WAD IS PLACED ON TOP OF THE FOOTER. - ONE-THIRD OF THE ROOT WAD SHOULD REMAIN BELOW NORMAL BASE FLOW CONDITIONS. / I ~
i A ~ / V ~ ~ \ , i r
I f i z \ / ~ \ DRIVE - P INT METH D ~ ~ / ~ 0 0 _ TRENCHING METHOD m WATER m ~ ov ~ ~
° ~ FLOW ~ ° 2 0 3 \ WATER
i FLOW FOOTER ~ A / pD \ / ° ~ ROCK )TER X -
~ °a ° ~ \ / I
i- v i v v
/ \ ~ FOOTER W / I ~ 1 T ~ / \ ROCK /
/ \ / In EXISTING BANK $ NO GAPS ~ -
~ 20° BETWEEN / ~ I ~ ROCKS I / v I / / y I \ ~ i / D
~ _ ~ - ( FIRST ROCK ~ , ~ / V ~ \ TIED INTO
I / I ~ ~-i \ ~ \ STREAM BANK \z COVER WITH TEMPORAR ~ ~ HEADER ROCK \ z
SEED AND EROSION CONTROL MAT ~ \ / \ (MAXIMUM 2:1 SLOPE)
I / ~ ~ v i! k 0 BANKFULL ~ ~
' HEADER ROCK ~ ~ BAN NFU LL BENCH ROOT WAD
BOULDER
BASEFLOw PLAN VIEW PLAN PLAN VIEW
NOTE: BOULDERS MUST BE AT LEAST 4' X ~E5~t0P 3' X 2'. 6' X 4'X 3' BOULDERS 4' X
,y oiP~ / ARE PREFERRED.
~o ~o 'i NOTES FOR ALL VANE STRUCTUI STRUCTURES
,
FOOTER LOG > 12" DIAMETER A BANKFULL STAGE A' 1 , DIG A TRENCH BELOW THE BED F~ ~ INSTALLED BELOW STREAM BED ROOT WAD III I ~Ti~l 1/3 TO%2 BANKFULL- FO TER ROCKS AND PLACE FILL ON UP FHE BED FOR [LL ON UPSTREAM
~ SIDE OF VANE ARM, BETWEEN J
° O °o THE ARM AND STREAM BANK.
' 2. START AT BANKFULL AND PLACE ' RO KS FIRST AND THEN HEADER (TOP 4D PLACE FOOTER )ER (TOP ) ROCK.
3. CONTINUE WITH STRUCTURE FO PURE, FOLLOWING
AN LE AND SLOPE SPECIFICATIONS. ~ BOULDER 4. BOULDERS (TOP) MUST TOUCH WI' kTIONS.
~ SECTION A-A CROSS SECTION GA S. TOUCH WITHOUT
F OGER~ - 5. AN EXTRA BOULDER CAN BE PLAC J BE PLACED IN
CROSS-SECTION 3~ XE'2'.BO6L XE 4 XM3~ BOULDERS EAST 4 x SC UR HOLE FOR HABITAT IMPROVEMEN' I ARE PREFERRED. APROVEMENT.
CROSS VANE
Y I (A
Z 1/S OF PROP03E0 1/3 OF PROPOSED 1/S OF PROPO$FD ~ 1/3 OF PROPOSED 7/3 OF PROPOSED 113 OF PROPOSED \m BOTTOM WIDTH BOTTOM WIDTH BOTTOY WIDTH m
CHANNEL WIDTH CHANNEL WIDTH CHANNEL WIDTH Q ;
BANKFULL ~ z ELEVATIONFACE I ~ ~ HEADER ROCK ROCK
NO GAPS BETWEEN _ _ ROCKS
/ 1 WATER - - _ STREAM BANK 1A BAN K
/ \ FOOTER ROCK FLOW 8 o TO 12$ - - - - - - I x ~ ~ 20° T 30° - - \ ~
y \ STREAM BED > x - ~ - ELEVATION _ 1( _
/ FIRST ROCK TIED INTO
FOOTER ROCK ~ WATER TREAM BANK OW ~ S HEADER ROCK / ~ FL \ \ FOOTER ROCK
~ ~ v i
~ CROSS SECTION i ~ `vv
I / ~ \ 1 ~ NOTE: ~ BOULDERS MUST BE AT LEAST 4 x PROFILE VIEW _ HEADER ROCK 3 X 2. 6 X 4 X 3 BOULDERS
1 ~ ~ ARE PREFERRED.
PLAN VIEW ~ ~

J HOOK VANE
Y I CA Z 1/3 OF PROPOSED 1I3 DF PROPOSED 1/3 OF PROPOSED ~
1/3 OF PROPOSED 113 OF PROPOSED 1!3 OF PROPOSED ~ \m BOTTOM WIDTH BOTTOM WIDTH BOTTOM WIDTH m CHANNEL WIDTH CHANNEL WIDTH CHANNEL WIDTH D
f 3 I w ~ WATER SURFACE
BANKFULL rt y ELEVATION HEADER ROCK w ~ - ~ 1 ROCK
~ NO GAPS BETWEE \ V ~ ROCKS i - - ~ WATER % STREAM BANK W BANK
~z~ _ / ~ FLOW - 4 o TO 10~ - - I ~ ~ ~ FOOTER ROC \ _ -
y 0° T 0° - \ i STREAM BED - \ x~
_ ~ / / ELEVATION _ ~ 1v - ~I ~ 1/ / - ~ - ~ - - I -
FOOTER ROCK / ~ / ~ I FIRST ROCK TIED INT / ~ WATER
HEADER ROCKS STREAM BANK / ~ FLOW FOOTER ROCK

CROSS SECTION i J PROFILE VIEW
HEADER ROCK i ~ i
NOTE: BOULDERS MUST BE AT L ST 4' X 3' X 2'. 6' X 4'X 3' BOULDERS PLAN VIEW
ARE PREFERRED.
...1Designlstructuresdetail.dgn 04/17!2001 08:52:52 AM