20231421 Ver 1_Sandymush Creek EWP Dubuc PERMIT DRAWING_20231018

© 2023 Microsoft Corporation © 2023 Maxar ©CNES (2023) Distribution Airbus DS
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AMBIELLI SHARON;
DUBUC SETH
8760182728
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SCALE (34"X22"):
SCALE (17"X11"):
1" = 200'
1" = 400'
SCALE IN FEET
0 400'200'
BUNCOMBE COUNTY EWP - SITE ID: SHARON DUBUC - 37-11-21-5042-308
SANDYMUSH CREEK - DUBUC
BUNCOMBE COUNTY , NORTH CAROLINA
LAT: 35.636873, LONG: -82.832742
PROJECT DIRECTORY
PROJECT SPONSOR
BUNCOMBE COUNTY
SOIL & WATER CONSERVATION
ANTHONY DOWDLE
NCACSP SOIL CONSERVATIONIST
[e-mail]
DESIGN TEAM
ENGINEER
JENNINGS ENVIRONMENTAL PLLC
GREG JENNINGS, PHD, PE
PRESIDENT
[e-mail]
CONSTRUCTION
CONTRACTOR
TO BE DETERMINED
PROPERTY OWNER(S)
PIN OWNER
8760182728 AMBIELLI SHARON; DUBUC SETH
PERMIT DRAWING
NOT FOR CONSTRUCTION
October 17, 2023
NRCS DESIGN CERTIFICATION:
"TO THE BEST OF MY PROFESSIONAL KNOWLEDGE, JUDGEMENT, AND BELIEF, THESE
PLANS MEET APPLICABLE NRCS STANDARDS AND PERMITTING REQUIREMENTS."
GREG JENNINGS, PHD, PE
PRESIDENT, JENNINGS ENVIRONMENTAL PLLC
PROJECT
SITE
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ASHEVILLE, NC 28805
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10/17/2023
1.1
SHEET INDEX
COVER SHEET 1.1
GENERAL PROJECT NOTES AND SPECIFICATIONS 1.2
STREAM RESTORATION - PLAN 2.1
TYPICAL SECTION 3.1
STREAM RESTORATION PRACTICE DETAILS 4.1 - 4.2
EROSION & SEDIMENTATION CONTROL (ESC)5.1 - 5.3
RE-VEGETATION NOTES AND SCHEDULES 6.1
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GENERAL PROJECT NOTES AND SPECIFICATIONS
SCALE (34"X22"):
SCALE (17"X11"):
NTS
NTS
NOT TO SCALE
NRCS PRACTICE CODES
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10/17/2023
1.2
1.DEFINITIONS:
1.1.CONSTRUCTION DOCUMENTS: THE CONTRACT AND APPLICABLE DRAWINGS, DETAILS, SPECIFICATIONS,
PERMIT(S), AND/OR ANY OTHER DOCUMENTS (MEETING MINUTES, PUNCH LISTS, BID TABS, ETC.) FOR
COMPLETE INFORMATION ABOUT THE REQUIRED WORK. ANY ONE OF THESE PARTS MAY NOT CONTAIN
ALL OF THE INFORMATION REQUIRED TO COMPLETE THE PROJECT WORK.
1.2.ENGINEER: JENNINGS ENVIRONMENTAL PLLC
2.THE WORK ON THIS PROJECT SHALL ADHERE TO THE FOLLOWING SPECIFICATIONS, STANDARDS AND/OR
REGULATIONS:
2.1.NC DEMLR'S "EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL" (2013)
2.2.NC DEMLR'S CONSTRUCTION GENERAL PERMIT NUMBER NCG01000
2.3.GENERAL, REGIONAL AND SPECIAL CONDITIONS OF USACE'S 404 NATIONWIDE PERMIT NUMBER 27
2.4.GENERAL AND SPECIAL CONDITIONS OF NCDWR'S 401 WATER QUALITY CERTIFICATION 4134
2.5.THE CONSTRUCTION DOCUMENTS
3.ALL EXISTING UTILITIES MAY NOT BE SHOWN. SOME LOCATIONS MAY BE APPROXIMATE. CONTRACTOR SHALL
NOTIFY 'NC811' (811) OR (1-800-632-4949) AT LEAST 3 FULL BUSINESS DAYS PRIOR TO BEGINNING
CONSTRUCTION OR EXCAVATION TO HAVE EXISTING UTILITIES LOCATED. CONTRACTOR SHALL CONTACT ANY
LOCAL UTILITIES THAT PROVIDE THEIR OWN LOCATOR SERVICES INDEPENDENT OF 'NC811'. REPORT ANY
DISCREPANCIES TO THE ENGINEER IMMEDIATELY. ANY UTILITIES SHOWN ON THE CONSTRUCTION
DOCUMENTS ARE FOR INFORMATIONAL PURPOSES ONLY AND IN NO WAY RELIEVES THE CONTRACTOR FROM
COORDINATING, VERIFYING AND PROTECTING EXISTING UTILITIES.
4.ALL UTILITIES SHALL BE PROTECTED AND REMAIN ACTIVE UNLESS OTHERWISE NOTED. CONTRACTOR IS
RESPONSIBLE FOR COORDINATING CONSTRUCTION ACTIVITIES WITH THE APPROPRIATE UTILITY COMPANIES
FOR ANY REQUIRED RELOCATIONS (I.E. POLES, METERS, FITTINGS, ETC.).
5.THE CONTRACTOR IS RESPONSIBLE FOR THE PROJECT AREA UNTIL COMPLETION AND FINAL ACCEPTANCE BY
THE ENGINEER AND PROJECT OWNER. THE CONTRACTOR SHALL CONFINE ALL ACTIVITIES, INCLUDING
EQUIPMENT STORAGE, TO THE LIMITS OF DISTURBANCE, STAGING AREAS, AND DESIGNATED CONSTRUCTION
ACCESS POINTS.
6.THE MANNER IN WHICH THE CONTRACTOR DEALS WITH PEOPLE AND THEIR PROPERTIES WHILE PERFORMING
THIS WORK IS EXTREMELY IMPORTANT. THEREFORE, THE CONTRACTOR AND THE CONTRACTOR'S
REPRESENTATIVES SHALL MANIFEST A SPIRIT OF FRIENDLINESS AND COOPERATION WHEN DEALING WITH
PROPERTY OWNERS AND THE GENERAL PUBLIC WHILE PERFORMING WORK ON THE SITE.
7.EXTREME CARE AND DILIGENCE SHALL BE EXERCISED BY THE CONTRACTOR TO ASSURE THE SAFETY OF
PERSONS, ANIMALS, AND PROPERTY. IF AT ANY TIME THE OWNER OR ENGINEER DETERMINES THAT THE
CONTRACTOR'S METHODS OR EQUIPMENT ARE INADEQUATE FOR SECURING THE SAFETY OF THE
CONTRACTOR'S EMPLOYEES OR THE PUBLIC, THE DESIGNATED REPRESENTATIVE MAY DIRECT THE
CONTRACTOR TO TAKE SPECIFIC ACTIONS TO ENSURE SAFETY. THE CONTRACTOR SHALL IMPROVE METHODS
AS DEEMED APPROPRIATE BY THE DESIGNATED REPRESENTATIVE WITHOUT ADDITIONAL COST TO THE
PROJECT OWNER, SO AS TO ASSURE COMPLIANCE WITH SAFETY CONCERNS. FAILURE OF THE DESIGNATED
REPRESENTATIVE TO MAKE THIS DEMAND SHALL NOT RELIEVE THE CONTRACTOR OF ANY OBLIGATION TO
ENSURE THE SAFE CONDUCT OF ITS WORK.
8.THE CONTRACTOR SHALL MAINTAIN ALL LIGHTS, GUARDS, SIGNS, TEMPORARY PASSAGES, OR OTHER
PRECAUTIONS NECESSARY FOR THE SAFETY OF ALL PERSONS. THE CONTRACTOR SHALL ABIDE BY ALL SAFETY
RULES AND CONSTRUCTION CONDITIONS REQUIRED BY GOVERNMENTAL AUTHORITIES AND OTHER ENTITIES,
INCLUDING RAILROADS, SO THE PUBLIC IS SAFEGUARDED FROM ACCIDENTS AND DELAYS. GUARDS AND
FLAGS REQUIRED BY GOVERNMENTAL OR RAILROAD AUTHORITIES SHALL BE PROVIDED AT THE
CONTRACTOR'S EXPENSE, UNLESS DIRECTED OTHERWISE BY THE DESIGNATED REPRESENTATIVE.
CONTRACTOR SHALL AT NO TIME COMPROMISE EITHER SAFETY OR ENVIRONMENTAL REQUIREMENTS.
9.THE CONTRACTOR SHALL ONLY USE ACCESS PATHS AND STAGING AREAS SHOWN ON THE DRAWINGS. ANY
ALTERNATE ACCESS PLANNED BY THE CONTRACTOR SHALL BE APPROVED BY THE ENGINEER AND PROJECT
OWNER PRIOR TO USE.
10.NO NON-PERMITTED FILL IN WETLANDS MAY OCCUR. ALL EXCESS SOILS FROM STABILIZATION AND GRADING
WORK SHALL BE PLACED IN DESIGNATED AREAS ON THE SITE.
11.SITE SHOULD BE “STORM READY” AT THE END OF EACH WORK DAY AND WORK WEEK.
TOPOGRAPHIC NOTES AND SPECIFICATIONS
12.HORIZONTAL DATUM IS NAD83(2011) & VERTICAL DATUM IS NAVD88. ALL COORDINATES ARE BASED ON
NAD83(2011) AND ALL ELEVATIONS ARE BASED ON NAVD88.
13.THE DESIGN ELEVATIONS AND GRADES SHOWN IN THE DRAWINGS ARE BASED ON NORTH CAROLINA SPATIAL
DATA DOWNLOAD LIDAR DIGITAL ELEVATION MODELS (DEM) FROM WHICH ALL COMPUTATIONS OF CUT
AND FILL ARE BASED. DISCREPANCIES BETWEEN THE SURVEYED EXITING GROUND SURFACE AND FIELD
CONDITIONS AT THE TIME OF CONSTRUCTION CAN RESULT IN VARIATIONS OF TOTAL EXCAVATED
QUANTITIES. THESE VARIATIONS SHALL BE CONSIDERED INCIDENTAL TO CONSTRUCTION.
STREAM RESTORATION NOTES AND SPECIFICATIONS
14.FIELD CONDITIONS MAY REQUIRE ADAPTATION OF THE DESIGN AND/OR DETAILS PROVIDED IN THE
DRAWINGS. MINOR VARIATION(S) OR ADAPTATION(S) OF THE PROPOSED WORK SHOWN IN THE DRAWINGS
AND DETAILS ARE CONSIDERED INCIDENTAL TO THE WORK. THE ENGINEER WILL WORK WITH THE
CONTRACTOR TO ADDRESS ANY FIELD CHANGES.
15.THE CONTRACTOR SHALL MARK THE LOCATIONS OF BANK STABILIZATION STRUCTURES USING SURVEY GRADE
GPS EQUIPMENT FOR REVIEW BY THE ENGINEER BEFORE BEGINNING EXCAVATION AND GRADING.
16.CONTRACTOR SHALL MINIMIZE, TO THE MAXIMUM EXTENT POSSIBLE, IMPACTS TO ADJACENT SIGNIFICANT
TREES.
17.CONTRACTOR SHALL USE AN EXCAVATOR WITH A HYDRAULIC THUMB TO INSTALL BANK STABILIZATION
STRUCTURES.
18.DESIGN ELEVATIONS SHALL BE CONSTRUCTED WITHIN 0.1' (VERTICAL). WIDTHS AND DEPTHS MUST FALL
WITHIN RANGES SHOWN IN THE DRAWINGS AND DETAILS.
19.IF THE EXISTING GROUND IS LESS THAN 0.2' HIGHER THAN THE PROPOSED BANKFULL ELEVATION, IT IS NOT
NECESSARY TO EXCAVATE TO THE PROPOSED ELEVATIONS AND GRADES IN THE CONSTRUCTION
DOCUMENTS.
20.BANK STABILIZATION STRUCTURES SHALL BE INSTALLED AS SHOWN IN THE DRAWINGS AND DETAILS. ALL
STRUCTURES SHALL BE FINISHED TO A SMOOTH SURFACE IN ACCORDANCE WITH THE LINES, GRADES AND
ELEVATIONS SHOWN IN THE DRAWINGS AND DETAILS. THE FINISHED STRUCTURE SLOPES AND GRADES SHALL
BE WITHIN 0.1' OF DESIGN ELEVATIONS.
21.THE GRADED RIVER BANKS SHALL BE STABILIZED AS SOON AS POSSIBLE BY TEMPORARY AND PERMANENT
SEEDING, ADDING STRAW MULCH TO BARE SOIL AND INSTALLING EROSION CONTROL MATTING AS SHOWN
IN THE DRAWINGS AND DETAILS. PRIOR TO INSTALLING THE EROSION CONTROL MATTING, PREPARE THE SOIL
SURFACE BY LOOSENING 3 - 6” OF SOIL OR APPLYING 3 - 6” OF TOPSOIL TO THE DESIGN ELEVATIONS AND
APPLY TEMPORARY AND PERMANENT SEED AND THEN STRAW MULCH. SEED SHALL BE BROADCAST EVENLY
OVER THE AREA USING A BROADCAST SPREADER PRIOR TO COVERING WITH THE EROSION CONTROL
MATTING. THE MATTING SHALL BE ROLLED OUT IN THE DIRECTION OF ANTICIPATED RUNOFF. INSTALL
MATTING IN ACCORDANCE WITH THE DETAIL INCLUDED IN THE DRAWINGS. MATTING USED FOR
STREAMBANK STABILIZATION MUST BE CERTIFIED WEED-FREE STRAW OR OTHER NATURAL WEED-FREE /
NON-PROPAGATING VEGETATIVE MATERIALS. REWORKING OF AREAS THAT DO NOT ESTABLISH VEGETATION
OR BECOME UNSTABLE SHALL BE NECESSARY IN THE MATTING SEPARATES FROM THE SOIL.
22.TOPSOIL SHALL BE REMOVED FROM EXCAVATION AND FILL AREAS PRIOR TO EXCAVATION AND GRADING
AND RE-APPLIED TO AREAS AFTER ROUGH GRADING IS COMPLETE. 2 - 4” OF TOPSOIL SHALL BE PLACED ON
DISTURBED AREAS TO THE ELEVATIONS AND GRADES INCLUDED IN THE DRAWINGS. EROSION AND
SEDIMENTATION CONTROL NOTES AND SPECIFICATIONS.
23.ALL CONSTRUCTION ACTIVITIES SHALL ADHERE TO THE CONDITIONS AND REQUIREMENTS OF NCDEMLR'S
NG01 CONSTRUCTION GENERAL PERMIT.
24.ALL TREES, UTILITIES AND OTHER SITE FEATURES SHALL BE PROTECTED UNLESS MARKED FOR REMOVAL OR
RELOCATION.
25.ALL WETLANDS AND STREAMS LOCATED WITHIN 50 FEET OF THE CONSTRUCTION AREA ON THE PROJECT SITE
SHALL BE CLEARLY MARKED (EXAMPLE- ORANGE FABRIC FENCING) PRIOR TO ANY LAND DISTURBING
ACTIVITIES AND MUST BE MAINTAINED ON THE PROPERTY UNTIL THE PROJECT PHASE IS COMPLETED [15A
NCAC 02H .0506 (B)(2)].
26.THE CONTRACTOR SHALL USED A STANDARD CONSTRUCTION ENTRANCE AT ALL SITE ACCESS POINTS TO
PREVENT SEDIMENT FROM BEING TRACKED ONTO PUBLIC ROADS.
27.THE CONTRACTOR SHALL USED TEMPORARY SILT FENCE ALONG THE DOWNSLOPE SIDE OF ALL STAGING
AREAS AND TEMPORARY STOCK PILE AREAS.
28.THE TURBIDITY IN THE RECEIVING WATERS SHALL NOT EXCEED 50 NEPHELOMETRIC TURBIDITY UNITS (NTU)
IN STREAMS NOT DESIGNATED AS TROUT WATERS AND 10 NTU IN STREAMS, LAKES, OR RESERVOIRS
DESIGNATED AS TROUT WATERS, AS DESCRIBED IN 15A NCAC 02B .0200. APPROPRIATE SEDIMENT AND
EROSION CONTROL PRACTICES MUST BE USED TO MEET THIS STANDARD. [15A NCAC 02B .0211 (21)].
29.EQUIPMENT SHALL BE WELL-MAINTAINED, CLEANED PRIOR TO MOBILIZATION, AND CHECKED DAILY FOR
LEAKS OF PETROLEUM PRODUCTS. FUELING, LUBRICATION AND GENERAL EQUIPMENT MAINTENANCE
SHOULD NOT TAKE PLACE WITHIN 50 FEET OF A WATERBODY OR WETLANDS TO PREVENT CONTAMINATION
BY FUEL AND OILS. [15A NCAC 02H .0506 (B)(3) AND 15A NCAC 02B.0211(12)].
30.CONSTRUCTION SHALL BE TIMED TO OCCUR DURING TIMES OF LOW FLOW.
31.THE DESIGNER OR HIS DESIGNEE SHALL SUPERVISE THE INSTALLATION OF IN-STREAM STRUCTURES. [15A
NCAC 02H .0506(B)(1) AND (2)].
32.A TEMPORARY DIVERSION AND/OR PUMP AROUND SYSTEM SHALL BE USED TO DURING ALL STREAM
RESTORATION AND STABILIZATION WORK AS SHOWN IN THE DETAILS. TEMPORARY PUMP AROUND SYSTEM
SHALL BE USED AT PROJECT SITES WHERE THE WATERSHED SIZE IS LESS THAN 2 SQUARE MILES.
33.THE STREAM BANKS, IN-STREAM STRUCTURES, AND WORK AREA MUST BE STABILIZED AT THE END OF EACH
DAY BEFORE THE TEMPORARY IN-STREAM DIVERSIONS AND/OR PUMP AROUND SYSTEM(S) ARE REMOVED
AND FLOW IS RETURNED THE FULL CHANNEL.
34.EROSION CONTROL MATTING THAT INCORPORATES PLASTIC MESH AND/OR PLASTIC TWINE SHALL NOT BE
USED ALONG STREAMBANKS OR WITHIN WETLANDS. DISTURBED AREAS SHOULD BE SEEDED, MULCHED,
AND/OR MATTED AS SOON AS POSSIBLE, PREFERABLY AT THE END OF EACH WORKDAY. [15A NCAC 02B
.0201]
35.IF BORROW OR WASTE MATERIAL IS REQUIRED OR GENERATED DURING GRADING OPERATIONS, AN
APPROVED EROSION AND SEDIMENT CONTROL PERMIT MUST BE SECURED FOR THE BORROW OR WASTE
MATERIAL SITE PRIOR TO INITIATION OF ANY LAND DISTURBING ACTIVITY. [15A NCAC 04B .0110].
QUANTITIES AND MATERIALS NOTES AND SPECIFICATIONS
36.THE CONTRACTOR SHALL FURNISH ALL MATERIALS NECESSARY TO COMPLETE THE PROPOSED WORK UNLESS
OTHER PROVISIONS HAVE BEEN AGREED UPON PRIOR TO CONSTRUCTION. THE CONTRACTOR SHALL DELIVER
ALL MATERIALS TO THE DESIGNATED ACCESS POINTS AND STAGING AREAS. MATERIAL QUANTITIES,
DIMENSIONS AND SIZES SHALL CONFORM TO THE NOTES AND SPECIFICATIONS PROVIDED IN THE
CONSTRUCTION DOCUMENTS. THE ENGINEER MAY INSPECT AND APPROVE ALL MATERIALS PRIOR TO
CONSTRUCTION. IF MATERIALS DO NOT MEET THE MINIMUM REQUIREMENTS SPECIFIED IN THE
CONSTRUCTION DOCUMENTS, THE ENGINEER SHALL REJECT THE MATERIALS.
37.COSTS INCURRED DUE TO PROJECT DELAYS RESULTING FROM FAILURE OF THE CONTRACTOR TO MEET THE
REQUIREMENTS OF THE CONSTRUCTION DOCUMENTS SHALL BE THE EXPENSE OF THE CONTRACTOR.
QUANTITIES LISTED ARE ESTIMATES ONLY AND SHALL BE CONFIRMED BY THE CONTRACTOR.
38.THE EROSION CONTROL MEASURES DEPICTED ON THE DRAWINGS SHALL BE INSTALLED AS NEEDED TO KEEP
ALL SEDIMENT ON SITE AND OUT OF STREAMS AND WETLANDS. ADDITIONAL EROSION CONTROL MEASURES
(ABOVE THOSE SHOWN ON THE DRAWINGS) MAY BE REQUIRED IN ORDER TO KEEP ALL SEDIMENT ON SITE
AND OUT OF STREAMS AND WETLANDS. THE CONTRACTOR SHALL OBTAIN APPROVAL FROM THE PROJECT
OWNER AND ENGINEER PRIOR TO INSTALLATION OF ADDITIONAL EROSION CONTROL MEASURES.
39.ANY ADDITIONAL GRADING OTHER THAN WHAT IS SHOWN ON THE PLANS SHALL REQUIRE PRIOR APPROVAL
FROM THE PROJECT OWNER AND ENGINEER.
40.THE USE OF ANY BRAND NAMES/MANUFACTURERS OR MODELS IS INTENDED SOLELY TO DENOTE THE
QUALITY STANDARD OF THE DESIRED PRODUCT. ANY USE OF BRAND NAMES IS NOT INTENDED TO RESTRICT
BIDDERS TO A SPECIFIC BRAND, MAKE, MANUFACTURER, OR NAME. THE BRAND NAMES / MANUFACTURERS
OF MODELS ARE INTENDED TO CONVEY THE GENERAL STYLE, TYPE, CHARACTER, AND QUALITY OF PRODUCT.
EQUIVALENT PRODUCTS WILL BE ACCEPTABLE IF THE PROJECT OWNER OR ENGINEER HAS GIVEN APPROVAL
OF THE SPECIFIC PRODUCT IN WRITING.
41.THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING AND PROVIDING STORAGE AREAS FOR
CONSTRUCTION MATERIALS AND EQUIPMENT. THE MATERIAL AND EQUIPMENT STORAGE SHALL COMPLY
WITH THE CONSTRUCTION DOCUMENTS AND ALL LOCAL, STATE AND FEDERAL REGULATIONS THROUGHOUT
THE CONSTRUCTION PERIOD. THE CONTRACTOR SHALL RESTORE THE STORAGE AREA TO ITS ORIGINAL (OR
BETTER) CONDITION UPON COMPLETION OF THE PROJECT OR UPON SUCH TIME AS DIRECTED BY THE
PROJECT OWNER AND ENGINEER. SUCH RESTORATION SHALL BE AT NO ADDITIONAL COST TO THE PROJECT
OWNER.
© 2023 Microsoft Corporation © 2023 Maxar ©CNES (2023) Distribution Airbus DS
AMBIELLI SHARON;
DUBUC SETH
8760182728COMM
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&
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.
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0
2
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1
0
:
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:
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4

A
M
1" = 20'
1" = 40'
SCALE (34"X22"):
SCALE (17"X11"):
SCALE IN FEET
0
NOTES:
- SUPPLEMENT EX. ROCK MATERIAL PLACED
DOWNSTREAM OF THE BRIDGE. ROCK
MATERIAL MAY BE RE-USED FOR 580 -
STREAMBANK STABILIZATION, AT THE
DIRECTION OF THE ENGINEER.
- EX. PHONE LINE RUNS ALONG DRIVEWAY.
-CONTRACTOR TO IDENTIFY AND PROTECT
EX. UTILITIES.
-DEBRIS SHALL BE DISPOSED ON HIGH
GROUND OUTSIDE OF THE FEMA 100-YR
FLOODPLAIN.
-ONSITE DEBRIS DISPOSAL SHALL BE
LOCATED IN AN AREA OUTSIDE THE
100-YEAR FLOODPLAIN WITH LOCATION
PROVIDED BY LANDOWNER AND
APPROVED BY PROJECT ENGINEER.
-RESTORE ACCESS PATHS AND STORAGE
AREA(S) TO ORIGINAL CONDITION UPON
COMPLETION OF THE PROJECT OR UPON
SUCH TIME AS DIRECTED BY THE PROJECT
OWNER AND ENGINEER.
-DISTURBANCE OF TREES AND/OR WOODY
VEGETATION SHALL BE KEPT TO THE
MINIMUM EXTENT PRACTICABLE TO
COMPLETE WORK.
-CONTRACTOR TO REMOVE WIRE
LIVESTOCK FENCE AS NEEDED FOR SITE
ACCESS IN THE PROJECT AREA. OWNER TO
RE-INSTALL FENCE UPON COMPLETION OF
PROJECT.
EX. BRIDGE
(TO REMAIN)
580 - STREAMBANK STABILIZATION, 160 LF
PLAN VIEW LEGEND
580 - STREAMBANK
STABILIZATION
SEE DETAILS,
SHEETS 4.1 - 4.2
EXISTING STREAM
CENTERLINE
PROPERTY LINE
EX. CONTOUR (1 FT)
FLOW DIRECTION
A
A'
----------------
----------------
----------------
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7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
SHEET NUMBER
DATE:
DR
A
W
N

B
Y
:
CH
E
C
K
E
D

B
Y
:
AP
P
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O
V
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B
Y
:
XX
XX
CM
P
PE
R
M
I
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D
R
A
W
I
N
G
PL
A
N
NO
T

F
O
R

C
O
N
S
T
R
U
C
T
I
O
N
BU
N
C
O
M
B
E

C
O
U
N
T
Y

E
W
P
SA
N
D
Y
M
U
S
H

C
R
E
E
K
-

DU
B
U
C
BU
N
C
O
M
B
E

C
O
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N
T
Y
,
NO
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T
H

C
A
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10/17/2023
2.1
FEMA FLOODWAYFWAY
FEMA 100 YR
FLODPLAIN
100YR
FEMA 500 YR
FLOODPLAIN
500YR
OVERHEAD TELEPHONE
LINE
COMM
SEE DETAIL SHEET 4.1 FOR BANK TREATMENT.
PRESERVE LARGE WILLOW TREE & TRIM
BRANCHES AS NEEDED FOR EQUIPMENT ACCESS
SEE DETAIL SHEET 4.2
FOR BANK TREATMENT
TypSect - SCALE: HOR 1" =30'; VERT 1"= 15'
2595
2600
2605
2610
2615
2620
2595
2600
2605
2610
2615
2620
0+00 0+10 0+20 0+30 0+40 0+50 0+60 0+70 0+80 0+90 1+00 1+10 1+20 1+30 1+40 1+45
G:
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SCALE (34"X22"):
SCALE (17"X11"):
NTS
NTS
NOT TO SCALE
TYPICAL SECTION CHANNEL SECTION SPECIFICATIONS
SECTION A - A'
MAINTAIN CHANNEL
DIMENSION & CAPACITY
BANKFULL STAGE
CHANNEL
SECTION
DESIGN CENTERLINE
ALIGNMENT
22.3' ±
d = 1.3'±
----------------
----------------
----------------
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7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
SHEET NUMBER
DATE:
DR
A
W
N

B
Y
:
CH
E
C
K
E
D

B
Y
:
AP
P
R
O
V
E
D

B
Y
:
XX
XX
CM
P
PE
R
M
I
T

D
R
A
W
I
N
G
TY
P
I
C
A
L

S
E
C
T
I
O
N

&

D
E
S
I
G
N

C
H
A
N
N
E
L
SP
E
C
I
F
I
C
A
T
I
O
N
S
NO
T

F
O
R

C
O
N
S
T
R
U
C
T
I
O
N
BU
N
C
O
M
B
E

C
O
U
N
T
Y

E
W
P
SA
N
D
Y
M
U
S
H

C
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E
E
K
-

DU
B
U
C
BU
N
C
O
M
B
E

C
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N
T
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,
NO
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C
A
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10/17/2023
3.1
AVERAGED CHANNEL DATA: FROM LIDAR AND REGIONAL CURVE DATA
BANKFULL WIDTH (FT): 22.3
BANKFULL FLOW AREA (FT2): 29.0
BANKFULL HYDRAULIC RADIUS (FT): 1.2
MANNINGS N VALUE: 0.035
CHANNEL SLOPE (FT/FT): 0.05
CALCULATED AVERAGE CHANNEL CAPACITY (IMPERIAL UNITS):
Q = (1.49 / N)*AREA*(HYD. RADIUS)^(2 / 3) * (SLOPE)^(1 / 2)
Q (FT3/S) = 307
1.INSTALL STREAMBANK STABILIZATION PRACTICES AS SHOWN ON THE
DRAWINGS AND DETAILS. CONTRACTOR SHALL NOT INCREASE CAPACITY
OF THE CHANNEL BEYOND THE PRE-DISASTER CAPACITY AS
DOCUMENTED.
2.FINISHED SURFACE OF STREAMBANKS AND STABILIZATION PRACTICES
SHALL MATCH PRE-DISASTER CHANNEL DIMENSION AND CAPACITY.
ELEVATIONS AND DEPTHS SHALL BE CONSTRUCTED TO WITHIN 0.1'
(VERTICAL). CHANNEL WIDTHS AND OTHER HORIZONTAL (X,Y)
DIMENSIONS SHALL BE WITHIN 0.2'.
APPROX. PR GRADE
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:
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A
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NOT TO SCALE
SCALE (34"X22"):
SCALE (17"X11"):
NTS
NTS
STREAMBANK STABILIZATION - STRUCTURAL
NOTES AND SPECIFICATIONS
1.ALL STREAMBANK STABILIZATION - STRUCTURAL WORK SHALL TAKE PLACE DURING DRY
WORKING CONDITIONS. THE CONTRACTOR SHALL MINIMIZE THE EXPORT OF SEDIMENT TO
ADJACENT SURFACE WATERS TO THE MAXIMUM EXTENT PRACTICABLE BY USING ADDITIONAL
EROSION AND SEDIMENTATION CONTROL MEASURES AS NEEDED OR AS DIRECTED BY THE
ENGINEER ONSITE.
2.FOR IMPLEMENTATION, THE CONTRACTOR SHALL PREPARE THE EXISTING STREAMBANK AND
INSTALL 8 OZ. NON-WOVEN FILTER FABRIC, AS NEEDED. STABILIZATION MATERIAL SHALL BE
PLACED ON THE PREPARED SLOPE TO A MINIMUM DEPTH OF 2.0 FEET. LARGER MATERIAL IS
TO BE PLACED IN A TOE TRENCH AT THE EXISTING TOE OF SLOPE.
3.ROCK MATERIAL USED FOR STRUCTURAL STREAMBANK STABILIZATION SHALL CONSIST OF
100% NCDOT CLASS 2 RIPRAP. ALL MATERIALS ARE TO BE APPROVED BY THE ENGINEER.
RIPRAP SHALL BE INSTALLED IN LIFTS NOT TO EXCEED 2.0'. EACH LIFT SHALL BE COMPACTED
WITH THE EXCAVATOR BUCKET TO FORM A DENSE LAYER OF COMPACTED ROCK MATERIAL TO
LINES, ELEVATIONS AND GRADES IN THE DRAWINGS AND DETAILS.
4.KEY EROSION CONTROL MATTING IN AT INTERFACE WITH STRUCTURAL STREAMBANK
STABILIZATION AND INSTALL MATTING ON ALL DISTURBED RIVER BANKS.
5.TRANSPLANTS AVAILABLE ONSITE MAY BE INSTALLED IN THE TOPSOIL AS DIRECTED BY THE
ENGINEER ONSITE.
6.THE SURFACE OF THIS FEATURE SHALL BE FINISHED TO A SMOOTH AND COMPACT SURFACE IN
ACCORDANCE WITH THE LINES, GRADES, AND CROSS-SECTIONS OR ELEVATIONS SHOWN ON
THE DRAWINGS.
7.STABILIZATION OF THE WORK AREA WITH TEMPORARY AND PERMANENT SEEDING AND
MULCHING IS REQUIRED FOLLOWING GRADING OF THE STREAMBANK. INSTALL WOODY
PLANTING AND VEGETATION AS SHOWN ON THE APPROVED RE-VEGETATION PLAN.
FL
O
W
MIN.
3.0'
TIE TO EXISTING
TOP OF BANK
DETAILED SECTION A - A'
NOT TO SCALE
DETAILED PLAN
NOT TO SCALE
EX. TOP OF BANK
MIN. 2.0 FT
MIN. 2.0 FT
VARIES
(MAX. 2.0' ABOVE
BANKFULL)
COMPACTED BACKFILL
NON-WOVEN GEOTEXTILE OR
BEDDING MATERIAL, AS NEEDED
TIE TO EXISTING
GRADE
EX. STREAMBED
MATCH EX. GRADE
MAX. 2:1
INSTALL EROSION CONTROL MATTING OR LIVE
TRANSPLANTS AS DIRECTED BY THE ENGINEER
ON ALL DISTURBED STREAMBANKS.
STREAMBANK STABILIZATION - STRUCTURAL
MATERIAL, SEE NOTE 3.
ST
R
E
A
M
B
A
N
K

S
T
A
B
I
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I
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A
T
I
O
N
LE
N
G
T
H

V
A
R
I
E
S

P
E
R

P
L
A
N
A A'
VARIES
(EXTEND TO
TOP OF BANK)
----------------
----------------
----------------
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7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
SHEET NUMBER
DATE:
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A
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B
Y
:
CH
E
C
K
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D

B
Y
:
AP
P
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O
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D

B
Y
:
XX
XX
CM
P
PE
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M
I
T

D
R
A
W
I
N
G
ST
R
E
A
M
B
A
N
K

S
T
A
B
I
L
I
Z
A
T
I
O
N
NO
T

F
O
R

C
O
N
S
T
R
U
C
T
I
O
N
BU
N
C
O
M
B
E

C
O
U
N
T
Y

E
W
P
SA
N
D
Y
M
U
S
H

C
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E
E
K
-

DU
B
U
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BU
N
C
O
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B
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C
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N
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,
NO
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10/17/2023
4.1
G:
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A
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NOT TO SCALE
SCALE (34"X22"):
SCALE (17"X11"):
NTS
NTS
----------------
----------------
----------------
AP
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7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
SHEET NUMBER
DATE:
DR
A
W
N

B
Y
:
CH
E
C
K
E
D

B
Y
:
AP
P
R
O
V
E
D

B
Y
:
XX
XX
CM
P
PE
R
M
I
T

D
R
A
W
I
N
G
ST
R
E
A
M
B
A
N
K

S
T
A
B
I
L
I
Z
A
T
I
O
N
NO
T

F
O
R

C
O
N
S
T
R
U
C
T
I
O
N
BU
N
C
O
M
B
E

C
O
U
N
T
Y

E
W
P
SA
N
D
Y
M
U
S
H

C
R
E
E
K
-

DU
B
U
C
BU
N
C
O
M
B
E

C
O
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N
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,
NO
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C
A
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I
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A
10/17/2023
4.2
G:
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E
Y
\
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A
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O
N

D
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\
8
2
0
4
_
S
A
N
D
Y
T
U
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E
Y
-
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:
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,

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:
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8

A
M
1.ALL BOULDERS SHALL BE STRUCTURAL STONE, CUBICAL OR RECTANGULAR IN SHAPE.
BOULDERS AVAILABLE ONSITE MAY BE USED IF APPROVED BY THE ENGINEER. BOULDERS
SHALL BE 3.0' X 5.0' X 3.0' (W X L X H) +/- 0.5'. THE MINIMUM ACCEPTABLE BOULDER
THICKNESS (H) IS 2.5'. BOULDERS LONGER (L) THAN 5.5' WILL BE ACCEPTED.
2.A BEDDING COURSE CONSISTING OF NCDOT CLASS A RIPRAP SHALL BE INSTALLED BELOW
THE FIRST ROW OF BOULDERS. IF BEDROCK IS ENCOUNTERED ONSITE, THE FIRST LIFT OF
BOULDERS SHALL BE PLACED DIRECTLY ON THE BEDROCK. ALL BOULDERS SHALL FIT TIGHTLY
TOGETHER. INSTALL EACH LIFT OF BOULDERS WITH A 1.5' SETBACK FROM THE FRONT EDGE
OF THE PREVIOUS LIFT OF BOULDERS.
3.UNCONSOLIDATED GRAVEL AND TOPSOIL SHALL BE INSTALLED AS A LEVELING COURSE THE
ABOVE BOULDERS BEFORE THE LIVE CUTTINGS AND SOIL LIFTS ARE INSTALLED.
4.PLACE LAYER OF LIVE CUTTINGS (MIN. 4' LENGTH) A 1.0' O.C. ON THE GRAVEL AND TOPSOIL
SUCH THAT APPROXIMATELY 6 INCHES TO 1 FOOT OF EACH LIVE BRANCH WILL BE EXPOSED
AND THE REMAINDER (2' TO 4') OF EACH LIVE BRANCH WILL BE COVERED BY THE SOIL LIFT.
LIVE BRANCHES SHALL BE OF THE SPECIES SPECIFIED FOR LIVE STAKES OR APPROVED BY THE
ENGINEER.
5.INSTALL SOIL LIFTS FROM THE FIRST ROW OF LIVE CUTTINGS UP TO THE EXISTING TOP OF
BANK ELEVATION. LIFTS SHALL NOT EXCEED 1.0' THICKNESS. LIFTS SHALL INCLUDE ALL SOIL
PREPARATION, TEMPORARY AND PERMANENT SEEDING AND MULCH. SOIL LIFTS SHALL USE
2 LAYERS OF MATTING: 24 OZ. / YD2 COIR MATTING (OUTER) AND 11 OZ./YD2 COCONUT
FIBER BLANKET (INNER). EROSION CONTROL MATTING USED FOR SOIL LIFTS SHALL BE MADE
OF 100% NATURAL FIBERS AND MATERIALS AND BE BIODEGRADABLE UNDER NORMAL
CLIMATE CONDITIONS. EROSION CONTROL MATTING CONTAINING PLASTICS OR PLASTIC
BASED MATERIALS SHALL NOT BE USED.
6.PLACE SOIL BACKFILL UP TO THE LIFT HEIGHT SPECIFIED OF NO GREATER THAN 1.0 FT BEING
CAREFUL NOT TO PUSH/PULL OR TEAR THE FABRIC PREVIOUSLY PLACED.
7.REPEAT STEPS #4, #5 AND #6 AS NEEDED TO INSTALL SOIL LIFTS UP TO THE BANKFULL
STAGE.
8.THE SURFACE OF THIS STRUCTURE SHALL BE FINISHED TO A SMOOTH AND COMPACT
SURFACE IN ACCORDANCE WITH THE LINES, GRADES, AND CROSS-SECTIONS OR ELEVATIONS
SHOWN ON THE DRAWINGS. THE DEGREE OF FINISH FOR ELEVATIONS SHALL BE WITHIN 0.1
FT OF THE GRADES AND ELEVATIONS INDICATED OR APPROVED BY THE ENGINEER.
9.RE-DRESSING OF CHANNEL AND BANKFULL BENCH/FLOODPLAIN WILL LIKELY BE REQUIRED
FOLLOWING INSTALLATION OF IN-STREAM STRUCTURES AND SHALL BE CONSIDERED
INCIDENTAL TO CONSTRUCTION.
UNCONSOLIDATED GRAVEL AND TOPSOIL
LIVE CUTTINGS BETWEEN LIFTS
SOIL LIFTS SHALL USE TWO LAYERS OF
BIODEGRADABLE MATTING: 700 G/M2
COIR MATTING (OUTER) AND 320
G/M2 EROSION CONTROL BLANKET
(INNER).
LIVE STAKES AND BARE ROOT PLANTINGS
FLO
W
BOULDER TOE
PROTECTION
BANKFULL
LIVE CUTTINGS INSTALLED
BETWEEN LIFTS 2.0' O.C.
DETAILED PLAN
NOT TO SCALE
DETAILED SECTION A - A
NOT TO SCALE
SOIL GEOLIFTS TO
EXISTING TOP OF BANK
EXCAVATION LIMITS /
EXISTING BANK
WOOD STAKE
2" X 2" X 18" - 36"
BOULDERS
COMPACTED ONSITE
BACKFILL
2.0' MIN
1.0' MAX
PLACE BOULDERS ON ROCK BEDDING AND
LEVELING COURSE
1.5'
NON-WOVEN
FILTER FABRIC
9.0'
MIN
NCDOT CLASS A
ROCK BACKFILL AND
BEDDING COURSE
8.0' MIN
TOP OF BOULDERS
EXISTING
TOP OF BANK
2.0' MAX
1.0' MAX
PLACE FIRST COURSE OF BOULDERS
BELOW STREAMBED
A
A
'
STREAMBANK STABILIZATION - STRUCTURAL
NOTES AND SPECIFICATIONS
© 2023 Microsoft Corporation © 2023 Maxar ©CNES (2023) Distribution Airbus DS COMM
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SCALE (34"X22"):
SCALE (17"X11"):
LIMITS OF
DISTURBANCE
(LOD) = 0.28 AC.
TEMPORARY SILT FENCE
TEMPORARY STAGING
AND STORAGE AREA
STABILIZE STREAMBANKS WITH
EROSION CONTROL MATTING
TEMPORARY
PUMP AROUND
TEMPORARY CONSTURCTION
ENTRANCE. SEE SHEET 5.2.
LOD LOD
SF SF
LIMITS OF DISTURBANCE
SILT FENCE
STAGING AND STORAGE
AREA
STABILIZED
CONSTRUCTION
ENTRANCE
CONSTRUCTION ACCESS
ROUTE
EROSION AND SEDIMENTATION CONTROL
LEGEND
NOTES:
-CONTRACTOR TO REMOVE WIRE
LIVESTOCK FENCE AS NEEDED FOR SITE
ACCESS IN THE PROJECT AREA. OWNER
TO RE-INSTALL FENCE UPON
COMPLETION OF PROJECT.
SCALE IN FEET
0 20 40
1" = 20'
1" = 40'
TEMP. ACCESS PATH
(12' WIDE TYP.)
----------------
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SHEET NUMBER
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5.1
P >>>
WORK AREA TEMPORARY PUMP
AROUND
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SCALE (34"X22"):
SCALE (17"X11"):
NTS
NTS
NOT TO SCALE
EROSION AND SEDIMENTATION CONTROL
NOTES AND SPECIFICATIONS SEQUENCE OF CONSTRUCTION
1.ALL CONSTRUCTION ACTIVITIES SHALL ADHERE TO THE
CONDITIONS AND REQUIREMENTS OF NC DEMLR'S NG01
CONSTRUCTION GENERAL PERMIT.
2.ALL TREES, UTILITIES AND OTHER SITE FEATURES SHALL BE
PROTECTED UNLESS MARKED FOR REMOVAL OR RELOCATION.
3.EQUIPMENT SHALL BE WELL-MAINTAINED, CLEANED PRIOR TO
MOBILIZATION, AND CHECKED DAILY FOR LEAKS OF PETROLEUM
PRODUCTS. FUELING OPERATIONS SHALL BE PERFORMED IN A
CONTAINED AREA AWAY FROM SURFACE WATER.
4.ALL WORK IN OR ADJACENT TO STREAMS AND RIVERS SHALL BE
CONDUCTED SUCH THAT THE FLOWING WATER DOES NOT COME
IN CONTACT WITH THE DISTURBED WORK AREA.
5.UTILIZE A TEMPORARY IN-STREAM DIVERSION AT ALL TIMES
WHEN WORKING IN THE ACTIVE STREAM CHANNEL. SEE DETAIL,
SHEET 5.3.
6.CONSTRUCTION SHALL BE TIMED TO OCCUR DURING TIMES OF
LOW FLOW.
7.CONSTRUCTION SCHEDULING AND STAGING SHALL BE TIMED TO
MINIMIZE THE AMOUNT OF TIME SPENT WORKING IN THE RIVER
CHANNEL.
8.THE RIVERBANKS, IN-STREAM STRUCTURES AND WORK AREA
MUST BE STABILIZED AT THE END OF EACH DAY BEFORE THE
TEMPORARY IN-STREAM DIVERSIONS ARE REMOVED AND FLOW
IS RETURNED THE FULL CHANNEL.
9.ALL WASTE SOIL SHALL STAY ONSITE AND WILL BE DISPOSED OF
IN AREAS DESIGNATED ON THE PLANS. THE WASTE SOIL FOR THE
FUTURE WALKING TRAIL SHALL BE ROUGH-GRADED AND
STABILIZED WITH TEMPORARY AND PERMANENT SEEDING AND
MULCH
1.OBTAIN AND REVIEW THE BUNCOMBE COUNTY EWP
SANDYMUSH CREEK - DUBUC PROJECT, EROSION AND
SEDIMENTATION CONTROL PLAN AND ALL OTHER APPLICABLE
PERMITS.
2.FLAG THE WORK LIMITS AND STAKE OUT THE LIMITS OF
DISTURBANCE (LOD) OF THE PROJECT. THE TOTAL PROJECT LOD IS
0.28 AC.
3.LOCATE ALL UNDERGROUND UTILITIES WITHIN THE WORK AREA.
4.INSTALL RAIN GAUGE AND PREPARE INSPECTION FORMS.
5.HOLD PRE-CONSTRUCTION MEETING WITH THE PERMITTEE,
ENGINEER AND CONTRACTOR PRIOR TO STARTING ANY LAND
DISTURBING ACTIVITIES.
6.INSTALL ALL EROSION AND SEDIMENTATION CONTROL BMPS AS
SHOWN IN THE DRAWINGS AND DETAILS.
7.INSPECT EROSION PREVENTION AND SEDIMENT CONTROL BMPS
DAILY AND AFTER SIGNIFICANT RAINFALL EVENTS. MAKE NEEDED
REPAIRS IMMEDIATELY. KEEP ALL LOGS AND RECORDS
UP-TO-DATE.
8.ACQUIRE AND STORE MATERIALS FOR SITE (E.G. ROCK, LOGS,
EROSION CONTROL MATTING AND FILTER FABRICS) IN THE
TEMPORARY STAGING AREAS.
9.CLEAR EXISTING VEGETATION REQUIRED TO COMPLETE THE
WORK TAKING CARE NOT TO DISTURB DESIRABLE VEGETATION
TO REMAIN INTACT.
10.GRADE THE RIVER BANKS AND INSTALL BANK STABILIZATION
STRUCTURES ACCORDING TO THE PLANS AND DETAILS. WHEN
POSSIBLE, PERFORM WORK FROM THE RIVER BANKS TO
MINIMIZE TIME SPENT WORKING IN THE CHANNEL.
11.WHEN WORKING IN THE CHANNEL, UTILIZE A TEMPORARY
IN-STREAM DIVERSION.
12.INSTALL TEMPORARY SEEDING, PERMANENT SEEDING, AND
EROSION CONTROL MATTING ON ALL DISTURBED RIVER BANKS
AND GRADED SLOPES AS SHOWN ON SHEET 5.3.
13.INSTALL TEMPORARY AND PERMANENT SEEDING AND MULCH TO
ALL AREAS DISTURBED FOR CONSTRUCTION ACCESS AND
STAGING AS SHOWN ON SHEET 5.1.
14.ONCE THE WORK AREA IS STABILIZED AND CONSTRUCTION
ACTIVITIES ARE COMPLETED, REMOVE AND DISPOSE OF ALL
NON-BIODEGRADABLE EROSION AND SEDIMENTATION CONTROL
BMPS.
15.NOTIFY THE PERMITEE AND THE ENGINEER FOR A FINAL
INSPECTION AND WALK THROUGH TO VERIFY FINAL
STABILIZATION OF THE SITE.
16.WHEN SEASONALLY APPROPRIATE, INSTALL PERMANENT
PLANTINGS ON RIVER BANKS AND WITHIN THE RIPARIAN ZONES
AS SHOWN ON SHEET 6.1.
----------------
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5.2
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SCALE (34"X22"):
SCALE (17"X11"):
NTS
NTS
NOT TO SCALE
NOTES:
1.Lime, fertilize and seed before installation. Planting of shrubs, trees, etc. should occur after installation.
2.Slope surface shall be smooth before placement for proper soil contact.
3.Design velocities exceeding 2 feet/second require temporary blankets, mats or similar liners to protect seed and soil until vegetation becomes
established.
4.Terminal anchor trenches are required at RECP ends and intermittent check slots must be constructed across channels at 25 foot intervals.
5.Terminal anchor trenches should be a minimum of 12 inches in depth and 6 inches in width. Intermittent check slots should be 6 inches deep
and 6 inches wide.
6.For installation on a slope, place RECP 2-3 feet over the top of the slope and into an excavated end trench measuring approximately 12
inches deep by 6 inches wide. Pin the RECP at 1 foot intervals along the bottom of the trench, backfill and compact. Unroll the RECP down
the slope maintaining direct contact between the soil and RECP. Pin using staples or pins in a 3 feet center-to-center pattern.
7.11 gauge, at least 6 inch by 1 inch staples or 12 inch minimum length wooden stakes are recommended for anchoring.
8.Grass-lined channels with design velocities exceeding 6 feet/second should include turf reinforcement mats
9.Check slots to be constructed per manufacturers specifications.
10.Staking or stapling layout per manufacturers specification.
11.If there is a berm at the top of slope, anchor upslope of the berm.
12.Do not stretch blankets/matting tight, allow the rolls to conform to any irregularities.
13.For slopes less than 3H:1V, rolls may be placed in horizontal strips.
MAINTENANCE:
1.Inspect Rolled Erosion Control Products at least weekly and
after each rain of 1 inch or greater; repair immediately.
2.Good contact with the ground must be maintained, and
erosion must not occur beneath the RECP.
3.Any areas of the RECP that are damaged or not in close
contact with the ground shall be repaired and stapled.
4.If erosion occurs due to poorly controlled drainage, the
problem shall be fixed and the eroded area protected.
5.Monitor and repair the RECP as necessary until ground cover
is established.
Overlap
6" Min.Longitudinal
Anchor Trench
Overcut channel 2"
to allow bulking
during seedbed
preparation
Design Depth
6" Min.
6" Min.
Typical installation
with erosion control
blankets or turf
reinforcement mats
Intermittent check slot Longitudinal anchor trench
Single-lap spliced ends or begin new
roll in an intermittent check slot
FLOWPrepare soil and apply seed before
installing blankets, mats or other
temporary channel liner systems
6" Min.
Overlap
Anchor 6"x6"
min. Trench
and staple at
12" intervals
Staple Overlaps
Max. 5" spacing
3" Min.
Overlap
Bring material down to a level area,
turn the end under 4" and staple at
12" intervals.
Check Slots at 25'
intervals
Cha
n
n
e
l
Bott
o
m
Stakes at
3'-5' intervals
Initial channel anchor trench
12"
Terminal slope and channel
anchor trench
Construction:
1.Clear the entrance and exit area of all vegetation, roots, and other objectionable
material and properly grade it.
2.Place the gravel to the specific grade and dimensions shown on the plans, and
smooth it.
3.Provide drainage to carry water to a sediment trap or other suitable outlet.
4.Use geotextile fabrics in order to improve stability of the foundation in locations
subject to seepage or high water table.
Maintenance:
1.Per NCG-01 inspect at least once a week and after each 1 inch or greater rainfall;
make any required repairs immediately.
2.Maintain the gravel pad in a condition to prevent mud or sediment from leaving the
construction site. This may require periodic topdressing with 2 inch stone.
3.Immediately remove all objectionable materials spilled, washed or tracked onto public
roadways.
Pub
l
i
c

R
o
a
d
2-3" Course Aggregate
6" Min.
As R
e
q
u
i
r
e
d
12'
M
i
n
.
50'
M
i
n
.

o
r

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o

F
r
o
n
t

o
f

H
o
u
s
e
Construction:
1.Construct the sediment barrier of standard strength or extra strength synthetic filter fabrics.
2.Ensure that the height of the sediment fence does not exceed 24 inches above the ground. (Higher fences may
impound volumes of water sufficient to cause failure of the structure)
3.Construct the filter fabric from a continuous roll cut to the length of the barrier to avoid joints. When joints are
necessary, securely fasten the filter cloth only at a support post with 4 feet minimum overlap to the next post.
4.Support standard strength filter fabric by wire mesh fastened securely to the upslope side of the posts. Extend the
wire mesh support to the bottom of the trench. Fasten the wire reinforcement, then fabric on the upslope side of the
fence post. Wire or plastic zip ties should have a minimum 50 pound tensile strength.
5.When a wire mesh support fence is used, space posts a maximum of 8 feet apart. Supports should be driven securely
into the ground a minimum of 24 inches.
6.Extra strength filter fabric with 6 foot post spacing does not require a wire mesh support fence. Securely fasten the
filter fabric directly to posts. Wire or plastic zip ties should have a minimum of 50 pound tensile strength.
7.Excavate the trench approximately 4 inches wide and 8 inches deep along the proposed line of the posts and upslope
from the barrier.
8.Place 12 inches of fabric along the bottom and side of the trench.
9.Backfill the trench with soil placed over the filter fabric and compact. Thorough compaction of the backfill is critical to
silt fence performance.
10.Do not attach filter fabric to existing trees.
Maintenance:
1.Inspect sediment fences at least once a week and after each 1
inch or greater rainfall. Make any required repairs immediately.
2.Should the fabric of a sediment fence collapse, tear,
decompose, or become ineffective, replace it promptly.
3.Remove sediment deposits as necessary to provide adequate
storage volume for the next rain and reduce pressure on the
fence. Take care to avoid undermining the fence during
cleanouts.
4.Remove all fencing materials and unstable sediment deposits
and bring the area to grade and stabilize it after the contributing
drainage area has been properly stabilized.
Steel Post
8' Max. Standard Strength fabric with wire fence
6' Max. Extra strength fabric without wire fence
18-24"
8" down & 4"
forward along the
trench24"
Wire Fence
Filter Fabric
Plastic or
Wire ties
24"
8" Min.
4"
Min.
Backfill trench
and Compact
thoroughly
Upslope
Wire Fence Filter Fabric
Steel Post
Plastic or
Wire
CROSS SECTION VIEW
STANDARD CONSTRUCTION ENTRANCE / EXIT
ROLLED EROSION CONTROL PRODUCTS (RECP)TEMPORARY SILT FENCE
----------------
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5.3
TEMPORARY PUMP AROUND
NOTES AND SPECIFICATIONS:
1.BERMS SHALL BE SITUATED AT THE UPSTREAM AND DOWNSTREAM ENDS OF THE WORK AREA, AND STREAM
FLOW SHALL BE PUMPED AROUND THE WORK AREA. THE PUMP SHOULD DISCHARGE ONTO A STABLE
VELOCITY DISSIPATER CONSTRUCTED OF RIPRAP OR SANDBAGS. DIVERSION PUMP DISCHARGE SHALL NOT
GENERATE SCOUR, EROSION, OR THE EXPORT OF EXCESS SEDIMENT TO SURFACE WATERS.
2.WATER FROM THE WORK AREA SHALL BE PUMPED TO A SEDIMENT FILTERING MEASURE SUCH AS A SEDIMENT
BAG OR OTHER APPROVED DEVICE. THE MEASURE SHALL BE LOCATED SUCH THAT THE WATER DRAINS BACK
INTO THE CHANNEL BELOW THE DOWNSTREAM SANDBAG DIKE WITHOUT CAUSING FURTHER EROSION
BETWEEN THE SEDIMENT FILTER BAG AND THE STREAMBANK.
3.THE CONTRACTOR SHALL SIZE THE PUMP AROUND SYSTEM SUFFICIENTLY FOR A RANGE OF POSSIBLE
BASEFLOW
DISCHARGES AND THE SYSTEM SHALL RUN CONTINUOUSLY WHILE WORKING IN THE STREAM.
4.THE STREAMBANKS AND WORK AREA MUST BE STABILIZED AT THE END OF EACH DAY BEFORE THE PUMP
AROUND
SYSTEM IS SHUT DOWN AND BEFORE FLOW IS RETURNED THE CHANNEL.
APPROVED SEDIMENT FILTERING DEVICE
(SEDIMENT FILTER BAG). PROVIDE POSITIVE
DRAINAGE FROM SEDIMENT FILTER BAG TO
STREAM.
P
P
WORK AREA LENGTH NOT TO EXCEED THAT
WHICH CAN BE COMPLETED IN ONE DAY
FLOW
STREAMB
A
N
K
INTAKE HOSE
STREAM DIVERSION PUMP
DEWATERING PUMP
DISCHARGE HOSES
INTAKE
HOSEFLOW
DISCHARGE ONTO
STABLE RIPRAP PAD
TO PREVENT SCOUR
HOLE
SUMP-HOLE FOR POOL
(12" TO 18" DEEP, 2-FT DIAMETER)
TEMPORARY PUMP AROUND SEQUENCE
1. SET UP PUMP WITH SUCTION AND DISCHARGE HOSE.
2. INSTALL UP-STREAM SANDBAG DAM.
3. INSTALL DOWN-STREAM SANDBAG DAM.
4. THE PUMP MUST RUN CONTINUOUSLY WHILE WORKING IN THE
STREAM.
5. STREAMBANKS MUST BE STABILIZED AT THE END OF EACH DAY.
EARTHERN
BERM
EARTHERN
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SCALE (34"X22"):
SCALE (17"X11"):
NTS
NTS
----------------
----------------
----------------
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7 SAMUEL ASHE DRIVE
ASHEVILLE, NC 28805
SHEET NUMBER
DATE:
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10/17/2023
6.1
SEEDING SCHEDULES ZONE 1: STREAMBANKS
ZONE 2: BUFFER RE-ESTABLISHMENT
1. FINAL VEGETATION SPECIES SELECTION MAY CHANGE
DUE TO REFINEMENT OR SPECIES AVAILABILITY AT THE
TIME OF PLANTING. SPECIES SUBSTITUTIONS WILL BE
COORDINATED BETWEEN THE BANK MANAGER,
ENGINEER AND PLANTING CONTRACTOR PRIOR TO THE
PROCUREMENT OF PLANT/SEED STOCK.
2. LARGER NATIVE TREE SPECIES TO BE PRESERVED WILL
BE FLAGGED BY THE ENGINEER PRIOR TO
CONSTRUCTION ACTIVITIES. ANY TREES HARVESTED FOR
WOODY MATERIAL WILL BE UTILIZED TO PROVIDE BED
AND BANK STABILIZATION AND COVER OR NESTING
HABITAT ON THE FLOODPLAIN. ANY EXCESS WOODY
MATERIALS MAY USED TO BACKFILL OLD CHANNELS.
3. ALL DISTURBED AREAS WILL BE STABILIZED USING
TEMPRORY AND PERMERMANET SEEDING AS DEFINED IN
THE SEEDING SCHEDULE AND THE APPROVED E&SC
PLANS.
4. SUPPLEMENTAL PLANTING ACTIVITIES MAY BE
REQUIRED WITHIN THE CONSERVATION EASEMENT.
TEMPORARY SEEDING AND MULCHING NOTES
5. TEMPORARY SEEDING AND MULCHING SHALL BE
APPLIED TO ALL AREAS AND ACCESS ROUTES DISTURBED
DURING CONSTRUCTION.
6. ALL SEED AND SEED VARIETIES MUST BE FREE OF
STATE AND FEDERALLY LISTED NOXIOUS WEED SEED
AND INVASIVE SPECIES.
7. ALL DISTURBED AREAS WILL BE SEEDED WITH
TEMPORARY SEED AND MULCHED WITH WHEAT STRAW.
SEEDING WILL BE
PERFORMED USING A BROADCAST SPREADER. OTHER
METHODS MAY BE USED BUT MUST BE APPROVED BY
ENGINEER IN ADVANCE OF INSTALLATION.
8. MAINTENANCE OF SEEDED AREAS SHALL CONSIST OF
WATERING, WEED AND PEST CONTROL, FERTILIZATION,
EROSION REPAIR, RESEEDING, AND INCIDENTAL
OPERATIONS AS NECESSARY TO ESTABLISH A HEALTHY,
VIGOROUS, WEED FREE AND DISEASE FEE UNIFORM
STAND OF GRASS. ALL AREAS WHICH FAIL TO SHOW A
UNIFORM STAND OF GRASS FOR ANY REASON SHALL BE
TREATED REPEATEDLY UNTIL A UNIFORM STAND OF AT
LEAST 90% COVERAGE IS ATTAINED WITH NO BARE AREA
GREATER THAN FIVE (5) SQUARE FEET.
PERMANENT SEEDING NOTES
9. PERMANENT SEEDING SHALL OCCUR IN CONJUNCTION
WITH
TEMPORARY SEEDING WHERE APPLICABLE. IDEALLY,
PERMANENT SEEDING SHALL OCCUR DURING THE
PLANTING SEASON FOR EACH SEED TYPE. AREAS
FERTILIZED FOR TEMPORARY SEEDING SHALL BE
SUFFICIENTLY FERTILIZED FOR PERMANENT SEEDING;
ADDITIONAL FERTILIZER IS NOT REQUIRED FOR
PERMANENT SEEDING.
10. ALL SEED AND SEED VARIETIES MUST BE FREE OF
STATE AND FEDERALLY LISTED NOXIOUS WEED SEED
AND INVASIVE SPECIES.
11. THE CONTRACTOR SHALL LOOSEN THE SOIL TO A
MINIMUM DEPTH OF 4-INCHES AND GRADE TO A
SMOOTH, EVEN SURFACE WITH A LOOSE, UNIFORMLY
FINE TEXTURE. THE AREAS TO BE SEEDED ARE THEN TO
BE ROLLED AND RAKED TO REMOVE RIDGES AND FILL
DEPRESSIONS TO MEET FINISH GRADES. THE
CONTRACTOR IS TO LIMIT SUB GRADE AND FINISH
GRADE PREPARATION TO AREAS THAT WILL BE PLANTED
IMMEDIATELY. PREPARED AREAS ARE TO BE RESTORED IF
ERODED OR OTHERWISE DISTURBED AFTER FINE
GRADING AND BEFORE PLANTING.
12. SEED SHALL BE SOWN WITH A SPREADER OR A
SEEDING MACHINE. SEED IS NOT TO BE BROADCAST OR
DROPPED WHEN WIND VELOCITY EXCEEDS 5 MPH. SEED
SHALL BE EVENLY DISTRIBUTED BY SOWING IN TWO
DIRECTIONS AT RIGHT ANGLES TO EACH OTHER. WET
SEED OR SEED THAT IS MOLDY OR OTHERWISE
DAMAGED IN TRANSIT OR STORAGE IS NOT TO BE USED.
AFTER BEGIN SOWN, THE SEED SHALL BE RAKED INTO
THE TOP 1/4 INCH OF THE TOPSOIL, LIGHTLY ROLLED,
AND WATERED WITH FINE SPRAY. SEEDED AREAS ON
STREAM BANKS SHALL BE PROTECTED WITH COIR FIBER
MATTING.
ZONE 1: STREAMBANK
13. LIVESTAKES AND HERBACEOUS PLUGS LISTED IN THE
PLANTING SCHEDULE SHALL BE PLANTED IN OFFSET
ROWS AT A DENSITY OF 4,840 STEMS PER ACRE (3.0'
O.C.) FROM TOE OF THE RESTORED CHANNEL TO 3.0'
OUTSIDE THE BANKFULL STAGE. HERBACEOUS PLUGS
SHALL BE PLANTED ALONG THE TOE OF THE CHANNEL IN
THE OUTSIDE OF THE POOL MEANDER BENDS.
ZONE 2: RIPARIAN BUFFER
14. WOODY SPECIES LISTED IN THE PLANTING SCHEDULE
SHALL BE PLANTED IN OFFSET ROWS AT A DENSITY OF
440 STEMS PER ACRE (10.0' O.C.) FROM 3.0' OUTSIDE
THE BANKFULL STAGE TO THE GRADING LIMITS. EXACT
PLACEMENT OF THE SPECIES SHALL BE DETERMINED BY
THE CONTRACTOR’S VEGETATION SPECIALIST PRIOR TO
SITE PLANTING AND BASED ON THE WETNESS
CONDITIONS OF PLANTING LOCATIONS.
SOIL SPREADING
15. AREAS OF SOIL SPREADING SHALL BE STABILIZED
USING TEMPORARY SEEDING AS DEFINED IN THE
SEEDING SCHEDULE AND THE APPROVED EROSION AND
SEDIMENTATION CONTROL PLANS.
GENERAL RE-VEGETATION AND PLANTING NOTES