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NC CORP. LICENSE NO. C-1837
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FOOTHILLS EROSION AND SEDIMENTATION
CONTROL PLAN
LENOIR, NORTH C ROLINA
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INDEX OF SHEETS
SHEET NO. DESCRIPTION
1 TITLE SHEET
2 VICINITY PLAN
3 EXISTING CONDITIONS
4 CONSTRUCTION PHASE SITE PLAN
5 EROSION AND SEDIMENTATION CONTROL PLAN
6 PROPOSED SITE PLAN
7 DETAILS - 1
8 DETAILS - 11
9 SEEDING SPECIFICATION
EROISION AND SEDIMENTATION CONTROL CONTACT PERSON:
CHRISTOPHER ROBERTSON
PRESTON CONTRACTORS, INC.
EMAIL ADDRESS: [e-mail]
PHONE: [phone]
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0 HARVEY GUY 1395 HOODS CREEK ROAD 2830706496
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1 ARTHUR BRASWELL 1200 FLORAL DR 2830711130 ■ - =I = L
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2 MARY JANE MINTON 2541 GRAVEL HILL ROAD 2830714071 ■ ■ ;, p �o /�:.
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3 WILLIAM RAY HELTON 405 IVY RIDGE CT 2830716085 ck
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4 TEDDY ALAN BOLICK 2533 GRAVEL HILL ROAD 2830708936 i
5 WILLIAM R MILAM 2523 GRAVEL HILL ROAD 2830801950 �' ■ ' ■ NC CORP. LICENSE NO. C-1837
IN
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6 DAVID R LAND 2515 GRAVEL HILL ROAD 2830800931 ■ NEI= -■ Y
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7 BOBBY L MILLER 1086 BRYANT ROAD 2830807973 ■ I.r ■
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8 JIMMIE ALLEN BRYANT 1020 BRYANT ROAD 2739994748 -j
9 FORREST A POWELL JR 4808 OAKH ILL SCHOOL ROAD 2830915021 ,■ _ 7 ■■ � ■
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10 JOHN AARON HAMBY 1443 HOODS CREEK ROAD 2830605166 _.
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DATE: 04/11 /18
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SURVEY NOTES
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1. THE TOPOGRAPHIC SURVEY INFORMATION IS
BASED ON FIELD SURVEY PERFORMED BY
MOUNTAINEER/PRESTON CONTRACTORS, MARCH
2018.
2. THE BOUNDARY INFORMATION SHOWN HEREON
WAS RETRIEVED FROM CALDWELL COUNTY'S' '
GEOGRAPHIC INFORMATION SYSTEM AND COUNTY !p _ 46 pd
TAX ASSESSORS WEBSITE. THE SHOWN _ -
BOUNDARY IS APPROXIMATE AND IS FOR 1 - �-
INFORMATIONAL PURPOSES ONLY. THE r�
BOUNDARY WAS NOT LOCATED BY
MOUNTAINEER/PRESTON CONTRACTORS.
3. THE SHOWN PARCEL LIES IN THE LENOIR }SAL ,
TOWNSHIP, CALDWELL COUNTY OF THE STATE OF ` 1 a _
NORTH CAROLINA.
4. THE ELEVATIONS SHOWN ARE REFERENCED TO
THE NORTH AMERICAN VERTICAL DATUM OF
1988 (NAVD88). ,
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MAP IMAGE SOURCE: OBTAINED FROM GOOGLE EARTH
DATED: 03-19-2017.
TOPO SURVEY: OBTAINED FROM PRESTON INC. DRONE
ARIEL DATED: 03-12-2018.
ISSUED FOR PERMITTING
DATE: 04/11 /18
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ALL TRAP OR BASIN EMBANKMENTS SHALL BE
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IMMEDIATELY UPON CONSTRUCTION. SEE SHEET 9 FOR
SEEDING AND FERTILIZATION INSTRUCTIONS.
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NC CORP. LICENSE NO. C-1837
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DATE:
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APRIL 2018
MAP IMAGE SOURCE: OBTAINED FROM GOOGLE EARTH
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DATED: 03-19-2017.
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ISSUED FOR PERMITTING
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SCOPE OF WORK
The Harvey property has recently been logged, the is currently a rough
access road. The borrow project will include Removing topsoil and
vegetation from the 3.5 acres of borrow excavation as shown on this
Drawing. The final surface cover proposed within the project limits is
grass (see Drawing No. 9 for seeding specifications). The remaining
property area outside the project limits will remain undisturbed by these
activities. The general scope of work for the Foothill Clay Borrow Project
include:
1. Installing erosion and sedimentation control measures for clearing of
vegetation and topsoil to the extent shown on this Drawing.
2. Excavate clay material to as much as approximately 6 feet below
existing grade.
3. Replace topsoil and construction deversion berms.
CONSTRUCTION SCHEDULE
1. Obtain all permits and approvals prior to commencing work.
2. Flag the work for clearing, and ensure underground and aboveground
utilities are clearly marked. Install at the site rain gage for recording
rainfall amounts.
3. Hold a pre -construction conference at least one (1) week prior to
starting clearing of trees and vegetation and land disturbance
activities.
4. Prior to vegetation and topsoil clearing, install all erosion and
sedimentation (E&S) control measures as shown and specified on
these Drawings. The measures to be installed in sequence are as
follows:
4.1. Install Temporary Gravel Construction Entrance/Exit (ref. Drawing
No. 6).
4.2. Install Silt Fence (Ref. to Drawing No. 6).
4.3. Install Sedimentation Traps
4.4. Install Temporary Side Slope Berms
4.5. After installation of all E&S control measures clear vegetation
and topsoil.
5. After Completion of Construction Activities:
5.1. Loosen subgrade to a depth of at least 4 inches Prior to
replacing topsoil.
5.2. Remove Temporary Gravel Construction Entrance/Exit or blend
into access road. Seed and mulch all land disturbed areas
within the project area as follows:
5.2.1. Seed and straw cover disturbed areas within 14 calendar days
following completion of excavation. Perform all necessary
maintenance on erosion and sedimentation control measures
until vegetative cover is established. Repair and replace all
deteriorated materials.
5.3. After Sediment -producing areas have been permanantly stablized,
remove the outlet structure and all unstable sediment. Smooth
the area to blend with adjoining areas and stabilize properly.
6. After all site land disturbed areas are stabilized with either permanent
or adequate vegetative ground cover, remove silt fence.
MAINTENANCE PLAN
7. Follow the maintenance requirements as specified on the Construction
Drawings for individual erosion and sedimentation (E&S) control
measures. All erosion and sediment control measures shall be
properly maintained during all phases of construction until the
completion of all construction activities and all disturbed areas have
been stabilized. Additional control devices may be required during
construction in order to control erosion and/or offsite sedimentation.
All temporary control devices shall be removed once construction is
complete and the site is stabilized.
8. Inspect E&S control measures at least once per seven (7) days or
within 24-hours of a storm event of greater than 0.5 inches of rain
per 24-hour period. If site inspections identify E&S control measures
that are damaged or are not operating effectively, maintenance must
be performed as soon as practical or as reasonably possible and
before the next storm event whenever practicable.
9. The Contractor must take necessary action to minimize the tracking
of mud onto paved roadway(s) from construction areas and the
generation of dust. The Contractor shall daily remove mud/soil from
pavement, as may be required. Promptly remove eroded soil deposits
from roadways, ditches, and water courses
10. Remove sediment from behind silt fencing when sediment level reaches
0.5 feet deep at the fence. Repair silt fence as necessary to
maintain a barrier.
11. Fertilize seeded areas, reseed, and apply straw cover, as needed,
according to the Drawings.
12. Litter, construction debris, oils, fuels, and building products with
significant potential for impact (such as stockpiles of freshly treated
lumber) and construction chemicals that could be exposed to storm
water must be prevented from becoming a pollutant source in storm
water discharges.
EROISION AND SEDIMENTATION CONTROL CONTACT PERSON:
CHRISTOPHER ROBERTSON
PRESTON CONTRACTORS, INC.
EMAIL ADDRESS: [e-mail]
PHONE: [phone]
SEDIMENT TRAP 1 - TABLE
DIMENSION
AREA/LENGTH
LENGTH
172.1 FEET
WIDTH
36.0 FEET*
AREA
6,059 SQFT
*AVERAGE WIDTH
TEMPORARY
DIVERSION BERM
5 7 SEE DETAIL
PROPOSED SILT
FENCE (TYP.)
5 8 SEE DETAIL
1
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\2 SEDIMENT TRAP 2'
5 7 CSEE DETAIL_
1
PROPO D\�IMII
OF DIST BAN
4.8 CFR
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SEDIMENT TRAP 2 - TABLE
DIMENSION
AREA/LENGTH
LENGTH
77.9
WIDTH
29.3 FEET
AREA
2,102
DPSOIL
'CKPILE
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/ PROPOSED CONSTRUCTION
ENTRANCE 2
SEE DETAIL 5 8
1. TOPSOIL STOCKPILE LOCATION IS FOR INITIAL USE.
EXCAVATION OF CLAY BORROW WILL BE CONDUCTED IN
APPROXIMATELY 1 ACRE PHASES. THE TOPSOIL
STOCKPILE WILL BE RELOCATED AS APPROVED BY THE
ENGINEER AS ACTIVITIES PROGRESS.
2. SEDIMENT LOCATION IS FOR INITIAL USE AND WILL
BE REVISED AS SITE IS EXCAVATED UPON APPROVAL
OF THE ENGINEER.
3. GRADING TO PROVIDE SEDIMENT TRAP WILL BE
CONSTRUCTED AT A MAXIMUM OF 2 TO 1 TO MATCH
BACK TO EXISTING GRADE.
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SHEET
05-E&S..
- CHANNEL LINING
DATE:
APRIL 2018
SCALE:
THE TOPOGRAPHIC SURVEY INFORMATION IS BASED ON
FIELD SURVEY PERFORMED BY MOUNTAINEER/PRESTON
AS
SHOWN
DRAWING NO.
CONTRACTORS, INC., MARCH 2O18.
ISSUED FOR PERMITTING
DATE:04/11/18
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1130
1120
1. ALL DISTURBED AREA WILL BE REESTABLISHED
WITH TOPSOIL AND SEEDING AND FERTILIZATION WILL
BE PROVIDE AS DISCRIBED ON SHEET 09.
2. ALL TERMPORARY DIVERSION BERMS AND SEDIMENT
TRAP BERMS WILL BE GRADE SMOOTH TO PREVENT
PONDING AND ALLOW SHEET FLOW ON ALL DISTRUBED
SLOPES.
H0ODS
REEK ROq
O (SR 730
Sy
cps
F�
♦ ♦ 00
EXISTING PROPERTY LINE
150 0 150 300
SCALE IN FEET
REMOVE CONSTRUCTION
ENTRANCE
LEGEND
1240 — PROPOSED 10 FOOT CONTOUR
PROPOSED 2 FOOT CONTOUR
1240 — EXISTING 10 FOOT CONTOUR
— EXISTING 2 FOOT CONTOUR
— EST. PROPERTY LINE
— LIMITS OF PROPOSED DISTURBANCE
1:_ I 1001 m a KOM ::G• /1
— CHANNEL LINING
MAP IMAGE SOURCE: OBTAINED FROM GOOGLE EARTH
DATED: 03-19-2017.
THE TOPOGRAPHIC SURVEY INFORMATION IS BASED ON
FIELD SURVEY PERFORMED BY MOUNTAINEER/PRESTON
CONTRACTORS, INC., MARCH 2O18.
ISSUED FOR PERMITTING
DATE: 04/11 /18
559
...... �
'I111 i 116 f 1"`
INC CORP. LICENSE NO. C-1837
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DATE:
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SCALE:
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BAFFLE (TYP.)
EARTHEN EMBANKMENT
S
c�
110,._
OUTLET SEE DETAIL PLAN VIEW
AND CROSS SECTION
MAINTENANCE:
REPAIR/REPLACE BAFFLES WHEN THEY
COLLAPSE, TEAR OR DECOMPOSE.
INLET
SUPPORT ROPE
TO WI RE TO
PREVENT SAGGING
DESIGN LIFE OF FABRIC
IS 6-12 MONTHS
SUPPORT POST
24" INTO BOTTOM
OR SIDES
INLET ZONE
35% OF SURFACE AREA
FIRST CHAMBER
25% OF SURFACE AREA
SECOND CHAMBER
25% OF SURFACE AREA
EXTEND BAFFLES UP SIDES AS
TO NOT ALLOW FLOW AROUND
OUTLET ZONE THE ENDS.
15% OF SURFACE
AREA
PERSPECTIVE VIEW
TOP VIEW
in
COIR MESH OR JUTE, TRENCHED
INTO BOTTOM AND SIDE
NOTE:
- 3 BAFFLES (MIN) BETWEEN INLET & OUTLET. BAFFLE DETAIL
SEE N.C. DEQ EROSION AND SEDIMENT
CONTROL PLANNING AND DESIGN MANUAL
FOR CONDITIONS WHERE PRACTICE APPLIES;
PLANNING CONSIDERATION & DESIGN CRITERIA.
SEDIMENT TRAP CONSTRUCTION SPECIFICATIONS
1. CLEAR, GRUB AND STRIP THE AREA UNDER THE EMBANKMENT OF ALL VEGETATION AND ROOT MAT.
2. CLEAR POND AREA BELOW ELEVATION BELOW WEIR INVERT.
3. USE FILL MATERIAL FREE OF ROOTS, WOODY VEGETATION AND ORGANIC MATTER. PLACE FILL IN LIFTS NOT
TO EXCEED 9 INCHES AND MACHINE COMPACT.
4. CONSRUCT DAM AND STON SPILLWAY TO DIMENSIONS, SLOPES AND ELEVATIONS SHOWN.
5. ENSURE THAT THE SPILLWAY CREST IS LEVEL AND AT LEAST 1.5 FEET BELOW THE TOP OF THE DAM AT
ALL POINTS.
6. STONE USED FOR SPILLWAY SECTION - CLASS "B" EROSION CONTROL STONE.
DESIGN CRITERIA
SUMMARY:
PRIMARY
SPILLWAY:
STONE SPILLWAY
MAXIMUM
DRAINAGE AREA:
5 ACRES
MINIMUM
VOLUME:
3600 CU FT PER ACRE OF DISTURBED AREA
MINIMUM
SURFACE AREA:
435 SQ FT PER CFS OF Q25 PEAK FLOW
MINIMUM
L/W RATIO:
2:1
MINIMUM
DEPTH:
3.5 FEET, 1.5 FEET EXCAVATED BELOW GRADE
MAXIMUM
HEIGHT:
WEIR ELEVATION 3.5 FEET ABOVE GRADE
DEWATERING
MECHANISM:
STONE SPILLWAY
MINIMUM
DEWATERING TIME:
N/A
BAFFLES
REQUIRED:
3 MINIMUM (COIR OR JUTE) MESH
MIN WEIR
(COR)
10'
NOTES:
- SEE N.C. DEQ EROSION AND SEDIMENT
CONTROL PLANNING AND DESIGN MANUAL
FOR CONDITIONS WHERE PRACTICE APPLIES;
PLANNING CONSIDERATION & DESIGN CRITERIA.
- STRUCTURE LIFE LIMITED TO 2 YEARS
12" MIN. N.C.D.O.T. #5 OR #57
WASHED STONE
MIN. 1' FREE BOARD F__ M
21" MIN
D \�
=uiu=n
MAXFFILL2' MIN T0-11111i11
3.5' MAXFILTE
I FABR
L
MIN
of AM WIMAi
2:1 SIDE
SLOPE MAX
11XSIDE SLOPE
MA
MAINTENANCE:
UTLET - REMOVE SEDIMENT AND RESTORE TRAP TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED TO ONE-HALF
THE DESIGN DEPTH OF THE TRAP. PLACE THE SEDIMENT THAT IS REMOVED IN
A DESIGNATED DISPOSAL AREA AND REPLACE THE CONTAMINATED PART OF THE GRAVEL FACING.
- CHECK THE STRUCTURE FOR DAMAGE FROM EROSION OR PIPING. PERIODICALLY CHECK THE DEPTH OF THE SPILLWAY TO
ENSURE IT IS A MINIMUM OF 1.5 FT BELOW THE LOW POINT OF THE EMBANKMENT. IMMEDIATELY FILL ANY SETTLEMENT OF
THE EMBANKMENT TO SLIGHTLY ABOVE DESIGN GRADE.
- ANY RIP RAP DISPLACED FROM THE SPILLWAY MUST BE REPLACED IMMEDIATELY.
7. STONE USED ON INSIDE SPILLWAY FACE TO CONTROL DRAINAGE TO BE D.O.T. #57 WASHED STONE.
8. ENSURE THAT THE TOP OF THE DAM AT ALL POINTS IS 0.5 FEET ABOVE NATURAL SURROUNDING GROUND.
9. STABILIZE THE EMBANKMENT AND ALL DISTURBED AREA ABOVE THE SEDIMENT POOL. SEE SHEET 9 FOR
SEEDING AND FERTILIZATION INSTRUCTIONS.
TEMPORARY LINER CONSTRUCTION SPECIFICATIONS
1. EXCAVATE DIVERSION BERM TO THE CROSS-SECTION AS SHOWN.
2. GRADE SOIL AWAY FROM CHANNEL SO THAT SURFACE WATER MAY ENTER FREELY.
3. APPLY LIME, FERTILIZER AD SEED TO THE BERM AND ADJOINING AREAS IN ACCORDANCE WITH THE
VEGETATION PLAN.
4. SPREAD STRAW MULCH AT A RATE OF 100 LB/1000 SQUARE FEET.
5. IMMEDIATELY INSTALL NORTH AMERICAN GREEN S150BN EROSION CONTROL BLANKET OR APPROVED
EQUIVALENT.
6. START LAYING THE NET FROM THE TOP OF THE UPSTREAM END OF THE BERM AND UNROLL DOWN GRADE.
DO NOT STRETCH THE NETTING.
7. BURY THE UPSLOPE END AND STAPLE THE NET EVERY 12 INCHES ACROSS THE TOP END, EVERY 3 FEET
AROUND THE EDGES AND ACROSS THE NET SO THAT THE STRAW IS HELD CLOSELY AGAINST THE SOIL.
8. NETTING SHOULD BE JOINED TOGETHER ALONG THE SIDES WITH A 3 INCH OVERLAP AND STAPLED TOGETHER.
9. TO JOIN ENDS OF STRIPS, INSERT THE NEW ROLL OF NET IN A TRENCH AS THE UPSLODE END AND OVERLAP
IT 18 INCHES WITH THE PREVIOUSLY LAID UPPER ROLL. TURN UNDER 6 INCHES OF THE 18 INCH OVERLAP AND
STAPLE EVERY 12 INCHES ACROSS THE END.
SEDIMENT TRAP 1 - TABLE
DIMENSION ID/
DESCRIPTION
ELEVATION/LENGTH
A - BOTTOM
1151.0
B - BOTTOM OF WEIR
1152.5
C - INVERT OF WEIR
1155.0
L- WEIR LENGTH
10 FT
TEMPORARY SEDIMENT TRAP DETAIL
N TS
COMPACTED SOIL OR EXISTING GRADE
2H:1 V SLOPE
EXISTING GRADE
2' MIN.
BERM
3H:1V SLOPE
CROSS-SECTION
ANCHOR LINER 6 INCHES
24" MIN.
CUT OR EXISTING
GRADE
TEMPORARY LINER
SIDESLOPES (3H:1 V)
UPSLOPE TOE
2H:1 V MAX. SLOPE
TEMPORARY DIVERSION BERM MAINTENANCE NOTES
1. INSPECT AT LEAST WEEKLY AND AFTER EACH RAINFALL EVENT OF 0.5 INCHES OR GREATER AND REPAIR
IMMEDIATELY. REMOVE ACCUMULATED SEDIMENT FROM BERM CHANNEL AND RESTORE TO ITS ORIGINAL
DIMENSIONS. REMOVE ANY TRASH OR DEBRIS FROM THE BERM CHANNEL.
2. WHEN THE AREA PROTECTED IS PERMANENTLY STABILIZED, REMOVE THE TEMPORARY BERM AND CHANNEL
TO BLEND WITH THE NATURAL GROUND LEVEL AND STABILIZE WITH PERMANENT VEGETATION.
3. THE DOWNWARD END OF EACH BERM WILL BE INSPECTED DURING EACH INSPECTION EVENT AND REVIEWED
FOR EXCESSIVE WEAR OR RILLS. SHOULD SIGNIFICANT WEAR OCCUR ADDITIONAL EROSION CONTROL
MEASURE WILL BE IMPLEMENTED TO PROTECT THE AREAS OF CONCERN.
4. ALL POST DEVELOPMENT BERMS SHALL BE LINER WITH TEMPORARY LINER EXCEPT THE TOP BERM FROM
ELEVATION 1230 - 1226.
5. POST DEVELOPMENT BERMS TO BE MAINTAINED UNTIL PERMANENT VEGETATION IS ESTAABLISHED.
TEMPORARY DIVERSION BERM DETAIL
N TS
0 MAX
�_8140 1
0
NFILTER
FABRIC
OVERFILL 6"
FOR SETTLEMENT
IIIII-
IIII=1� EMERGENCY BYPASS
IIIII-
6" BELOW SETTLED
TOP OF DAM
\GROUNDL
SEDIMENT TRAP 2 - TABLE
DIMENSION ID/
DESCRIPTION
ELEVATION/LENGTH
A - BOTTOM
1148.5
B - BOTTOM OF WEIR
1150.0
C - INVERT OF WEIR
1152.5
L - WEIR LENGTH
5 FT
nnclTn.r nn n nr
PLAN VIEW
EXISTING GRADE
TOP OF BERM -
2' WIDE (MINIMUM)
STABILIZE THE TEMPORARY DIVERSION BERM
WITH TEMPORARY OR PERMANENT SEEDING IMMEDIATELY
UPON CONSTRUCTION.
ISSUED FOR PERMITTING
DATE: 04/11 /18
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SCALE:
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PLAN VIEW
8 OZ./SQ. YD. NON —WOVEN)
GEOTEXTLE FABRIC
CROSS SECTION BELOW CHANNEL
8 OZ./SQ. YD
GEOTEXTILE FABRIC
CROSS SECTION AT WEIR
ID
Ao
(sf)
AGGREGATE GRADATION
T
(inches)
La
(feet)
Wu
(feet)
Wd
(feet)
d50
(inch)
dmax
(inch)
SED 1 *
5 — WEIR
1
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2.5
20
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SED 2*
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1 1
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1 2.5
1 10
1 5
12.5
BERM 3
4— CHANNEL
1 4
6
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1 15
1 7
20
*NATIVE CRUSHED STONE MAY BE USED AS RIPRAP
AND DUE TO THE MINIMAL SIZE OF THE PROPOSED
MATERIAL THICKNESS (T) OF THE RIPRAP SHOULD
BE MAINTAINED AT 1.5 TIMES THE LARGEST STONE
USED.
NPDES Stormwater Discharge Permit for Construction Activities (NCG01)
RIPRAP APRON MAINTENANCE NOTES
INSPECT RIPRAP APRON STRUCTURES WEEKLY AND AFTER EACH RAINFALL EVENT OF 0.5 INCHES OR
GREATER TO SEE IF ANY EROSION AROUND OR BELOW THE RIPRAP HAS TAKEN PLACE, OR IF STONES
HAVE BEEN DISLODGED. IMMEDIATELY MAKE ALL NEEDED REPAIRS TO PREVENT FURTHER DAMAGE.
RIPRAP APRON DETAIL
N TS
NCDENR/Division of Energy, Mineral and Land Resources
STABILIZATION TIMEFRAMES
(Effective Aug. 3, 2011)
SITE AREA DESCRIPTION
STABILIZATION
TIMEFRAME EXCEPTIONS
Perimeter dikes, swales, ditches, slopes
7 days
None
High Quality Water (HQW) Zones
7 days
None
Slopes steeper than 3:1
7 days
If slopes are 10' or less in length and are
than 2:1, 14 days
not steeper are allowed.
Slopes 3:1 flatter
14 days
7 days for
or
slopes greater than 50' in length.
All other areas with slopes flatter than 4:1
14 days
None, except for perimeters and HQW Zones.
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EXISTING
ROADWAY
NATURAL
GRADE
1.33 IB/LF STEEL POST
(ATTACH WIRE MESH TO
POST USING PLASTIC OR
WIRE TIES)
MINIMUM 14 GAUGE WIRE
MESH (1 /2 INCH MAXIMUM
WIRE SPACING)
SILT FENCE GRAVEL
OUTLET SIDE VIEW
(AT LOW POINT)
STONE FILTER
(NCDOT NO. 5 OR NO.
57 WASHED STONE)
NATURAL GRADE
50' MIN.
BUT SUFFICIENT TO KEEP
SEDIMENT ON SITE
00 0 0 0 0 0 00 0 0 000 00 00 0
00 0 00Oo0000000�0000 00 00000
0 0 000000000 00 0 0000 000 00 0
0 00 0 0 O000O
000 000
0 0 00
00 2"-3" STONE TO BE USED (SURGE 00 C
0o STONE OR RAILROAD BALLAST) 000 20' MIN.
0 0 00
000 00 0
000 0 0 0 000
CIO 0 0000
0
0 0 0 0 000
000 0000 0 0 0 0 0 0 0 000 000 000 00
00 0 0 00000000000000 00 000
PLAN VIEW
NOTES:
1. USE SILT FENCE OR TREE PROTECTION FENCING TO DIVERT VEHICLE TRAFFIC TO CONSTRUCTION
ENTRANCE.
2. IF CONSTRUCTION ON THE SITE IS SUCH THAT MUD IS NOT REMOVED BY THE VEHICLE TRAVELING
OVER THE STONE. THEN THE TIRES OF THE VEHICLE MUST BE WASHED BEFORE ENTERING THE
PUBLIC ROAD.
3. AFTER SITE IS STABILIZED WITH VEGETATION OR PERMANENT GROUND COVER, REMOVE
CONSTRUCTION ENTRANCE.
NEW
EXISTING ROADWAY CONSTRUCTION
35' MIN. 15' MIN.
00 00000000000 0
00 000 0 00000
0000 00 0000 0 0o I I 12" MIN.
,t °o°°°°o 00000 0 00 000 000000 000 00 DODO 00 0 000 0 000 0000 o I
6 MIN. °° °°o°0 0 0 0 0 0 0 0 00 0 0 0 0 0 00 00 000 0000 00 00 00
°°°°°°a°°° o 0 000 00 0 0 0 00 0 0 00 0 00 0 0 0000 0 00 0 0 0 0
8 OZ/SY NON —WOVEN GEOTEXTILE FABRIC UNDER
STONE
CROSS SECTION
CONSTRUCTION ENTRANCE DETAIL
N TS
SILT FENCE GRAVEL OUTLET MAINTENANCE
NOTES
1. INSPECT GRAVEL OUTLETS AT LEAST
WEEKLY AND AFTER EACH RAINFALL 0.5
INCHES OR GREATER. MAKE ANY
REQUIRED REPAIRS IMMEDIATELY.
2. SHOULD EXCESSIVE SOIL AND/OR DEBRIS
DEPOSIT ON THE STONE FILTER CAUSING
THE FILTER NOT TO WORK PROPERLY,
REMOVE SOIL AND/OR DEBRIS AND TOP
LAYER OF STONE AS NEEDED. REPLACE
STONE PROMPTLY TO ORIGINAL DESIGN
CONDITIONS.
3. REMOVE SEDIMENT DEPOSITS AS
NECESSARY TO PROVIDE ADEQUATE
STORAGE VOLUME FOR THE NEXT RAIN
AND TO REDUCE CLOGGING OF THE STONE
FILTER.
4. REMOVE ALL GRAVEL OUTLET MATERIALS
AND UNSTABLE SEDIMENT DEPOSITS AND
BRING THE AREA TO GRADE AND
STABILIZE IT WITH VEGETATION AFTER THE
CONTRIBUTING DRAINAGE AREA HAS BEEN
PROPERLY STABILIZED WITH VEGETATION
FOR PERMANENT GROUND COVER.
8'-0" SPACING MAXIMUM
FSILT FENCE FABRIC
NSTALLED TO SECOND
WIRE FROM TOPA
FRONT VIEW
MINIMUM 14 GAUGE WIRE MESH
(6 INCH MAXIMUM WIRE
SPACING)
NATURAL GRADE
SILT FENCE MAINTENANCE NOTES
1. INSPECT SILT FENCE AT LEAST WEEKLY
AND AFTER EACH RAINFALL 0.5 INCHES
OR GREATER. MAKE ANY REQUIRED
REPAIRS IMMEDIATELY.
2. SHOULD THE FABRIC OF A SILT FENCE
1.33 IB/LF STEEL POST (ATTACH SECTION COLLAPSE, TEAR, DECOMPOSE,
WIRE MESH AND SILT FENCE TO OR BECOME INEFFECTIVE, REPLACE IT
POST USING PLASTIC OR WIRE TIES) PROMPTLY.
/-MINIMUM 14 GAUGE WIRE
MESH (6 INCH MINIMUM
WIRE SPACING)
SILT FENCE FABRIC (SKAPS
INDUSTRIES W180 WOVEN GEOTEXTILE
FABRIC OR APPROVED EQUAL)
10' n?.
4" MIN.
N I 00
SILT FENCE SIDE VIEW
SILT FENCE DETAIL 1
N TS ls5 8
DISTURBED SURFACE
SOIL, BACKFILL AND
COMPACT
THOROUGHLY
3. REMOVE SEDIMENT DEPOSITS AS
NECESSARY TO PROVIDE ADEQUATE
STORAGE VOLUME FOR THE NEXT RAIN
AND TO REDUCE PRESSURE ON THE
FENCE. TAKE CARE TO AVOID
UNDERMINING THE FENCE DURING
SEDIMENT REMOVAL.
4. REMOVE ALL FENCING MATERIALS AND
UNSTABLE SEDIMENT DEPOSITS AND
BRING THE AREA TO GRADE AND
STABILIZE IT WITH VEGETATION AFTER
THE CONTRIBUTING DRAINAGE AREA HAS
BEEN PROPERLY STABILIZED WITH
VEGETATION OR PERMANENT GROUND
COVER.
ISSUED FOk PERMITTING
DATE: 04/11 /18
559
'I111 I1IIIW'
NC CORP. LICENSE NO. C-1837
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SHEET 7-8 DE..
DATE:
APRIL 2018
SCALE:
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DRAWING NO.
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DEFINITION: Controlling runoff and erosion on disturbed areas by establishing perennial vegetative cover pH AND NUTRIENT AMENDMENTS (continued)
with seed.
The soil tests will recommend the specific amendments and application rates required to
PURPOSE: To reduce erosion and decrease sediment yield from disturbed areas, and to permanently achieve this range. These amendments must be incorporated into the soil (not applied on the
stabilize such areas in a manner that is economical, adapts to site conditions, and surface) to be effective. (See the soil preparation specifications for incorporation timing of soi
allows selection of the most appropriate plant materials. amendments.)
LOCATION: Fine —graded areas on which permanent, long—lived vegetative cover is the most practical
The base elements are easily found in bulk quantities.
Lime can also be obtained in large
or most effective method
of stabilizing the soil.
Permanent seeding may also be used on
quantities. They all must be thoroughly incorporated into
the soil through appropriate
rough —graded areas that
will not be brought to
final grade for a year or more.
mechanical means. Ground surface applications without
proper soil mixing will result in poor
results.
Areas to be stabilized with
permanent vegetation
must be seeded or planted
within 15 working days or
90 calendar days after
final grade is reached, unless
In addition to the base fertilizers, other trace elements are needed to produce healthy and
temporary stabilization is
applied.
vigorous growth. These include but may not be limited
to sulfur, manganese, zinc, boron,
chlorine and molybdenum. If not already included with
bulk mixes of the base elements, they
SPECIFICATIONS: SOIL PREPARATION
can be obtained from commercial suppliers.
Proper soil preparation is necessary for successful seed germination and root
establishment. It is also necessary for establishment of rooted sprigs, sod and woody
plants. Heavily compacted soils prevent air, nutrients and moisture from reaching roots
thereby retarding or preventing plant growth. The success of site stabilization and
reduction of future maintenance are dependent on an adequately prepared soil bed.
Following are the requirements for preparation of areas to be vegetated by grassing,
sprigging, sodding, and/or planting of woody plants:
GENERAL REQUIREMENTS:
• Preparation for primary/permanent stabilization shall not begin until all construction
and utility work within the preparation area is complete. However, it may be
necessary to prepare for nurse crops prior to completion of construction and
installation of utilities.
• A North Carolina Department of Agriculture Soils Test (or equal) can be obtained for
all areas to be seeded, sprigged, sodded or planted. Recommended fertilizer and pH
adjusting products shall be incorporated into the prepared areas and backfill
material per the test.
• All
areas to
be seeded or planted
shall be tilled or
ripped to a depth of four (4) to
six
(6) inches. Ripping consists of
creating fissures
in a criss—cross pattern over
the
entire surface area, utilizing an
implement that
will not glaze the side walls of
the
fissures.
Once tilled or ripped
according to the
approved plan, all areas are to
be
returned
to the approved final
grade. pH modifiers and/or other soil amendments
specified
in
the soil tests can be
added during the
soil preparation procedure.
AREAS TO BE SEEDED:
• Till or disc the prepared areas to be seeded to a minimum depth of four (4) to six
(6) inches. If not incorporated during the soil preparation process, add pH modifier
and fertilizers at the rate specified herein and in the Temporary and Permanent
Seeding Specification Tables.
• The finished grade shall be a moderately smooth soil surface with a loose, uniformly
fine texture. Seeding of graded areas is to be done immediately after finished
grades are obtained and seedbed preparation is completed.
AREAS TO BE SPRIGGED, SODDED, AND/OR PLANTED:
• At the time of planting till or disc the prepared areas to a depth of four (4) to six
(6) inches below the approved finished grade. Remove all stones larger than three
(3) inches on any side, sticks, roots and other extraneous materials that surface. If
not incorporated in the ripping process, add pH modifier, fertilizer, and other
recommended soil amendments.
• Re —compact the area utilizing a cultipacker roller and prepare final grades as
described above. Install sprigs, sod and plants as directed immediately after fine
grading is complete. Mulch, mat and/or tack as specified.
VEGETATION
• Availability of seed and plant materials is an important consideration of any
construction stabilization effort. Throughout North Carolina, climate, economics,
construction schedule delays and accelerations, and other factors present difficult
challenges in specifying the different vegetation needed for site stabilization. Seed and
plant material types and application rates use the Temporary and Permanent Seeding
Specification Tables.
pH AND NUTRIENT AMENDMENTS
Determining the nutrients that enable seed and container plants to grow, flourish, and
become established after planting are critical elements of the design and stabilization
process. The soils tests previously described will provide a recipe for amendments based
on particular plants and particular soils. The test results will recommend the amounts of
base elements (nitrogen, phosphorous, potassium), pH modifiers and other trace elements
that should to be added to the soil for selected species of seeds and plants.
The acid/base characteristic of the soil is a primary component of soil fertility. If the
soil acidity is not in the proper range, other nutrients will be ineffective, resulting in less
productive plant growth. Most plants grow best in a pH range of 6.5 - 7.0 (slightly acidic
to neutral).
If you do not obtain a soil test: Follow the recommendations in the Temporary and Permanent
Seeding Specification Tables for soil amendments and application rates.
MULCHES AND TACKING AGENTS
Mulches and tacking agents may be required or necessary to protect a seedbed's disturbed
surface until the seed can germinate and provide the required protection from erosion.
Selection of the materials used in this application should be based on their ability to hold
moisture in the soil, as well as protect exposed soil from rainfall, storm water runoff, and
wind. The availability of the selected material and the means to apply it are critical factors to
consider when planning for the stabilization of any disturbed area. The mulch must cover a
minimum of eighty (80) percent of the soil surface and must be secured by a tacking agent,
crimping, or protective biodegradable netting. Netting that incorporates plastic mesh and/or
plastic twine should not be used in wetlands, riparian buffers or floodplains due to the
potential of small animal mortality. See Temporary and Permanent Seeding Specification
Tables for product type and applications.
ANCHORING ORGANIC MULCH:
Straw mulch must be anchored immediately after spreading. The following methods of
anchoring mulch may be used:
Mulch Anchoring Tool
— A tractor —drawn implement designed
to punch mulch into the soil, a
mulch anchoring tool
provides maximum erosion control with
straw. A regular farm disk,
weighted and set nearly
straight, may
substitute, but will not
do a job comparable to the
mulch anchoring tool.
The disk should
not be sharp enough to
cut the straw. These methods
are limited to slopes
no steeper than
3:1, where equipment can operate safely. Operate
machinery on the contour.
Liquid Mulch
Binders — Application of
liquid
mulch binders
and tackifiers should be heaviest at
the edges of
areas and at crests of
ridges
and banks, to
resist wind. Binder should be applied
uniformly to
the rest of the area. Binders may be applied
after mulch is spread, or may be
sprayed into
the mulch as it is being
blown
onto the soil.
Applying straw and binder together
is the most
effective method. Liquid
binders
include asphalt
and an array of commercially
available synthetic binders.
Emulsified asphalt is the most commonly used
mulch
binder. Any type
thin
enough to be blown
from spray equipment is satisfactory. Asphalt
is classified according to
the
time it takes to
cure. Rapid setting
(RS or CRS designation) is
formulated
for curing in
less
than 24 hours,
even during periods
of high humidity; it is best
used
in spring and fall.
Medium setting (MS or
CMS) is formulated
for curing within 24 to 48
hours,
and slow setting
(SS
or CSS) is
formulated for use
during hot, dry weather, requiring
48 hours or more
curing time.
Apply asphalt at 0.10 gallons per square yard (10 gal/1,000 ft^2). Heavier applications cause
straw to "perch" over rills. In traffic areas, uncured asphalt can be picked up on shoes and
cause damage to rugs, clothing etc. Use types RS or CRS to minimize such problems.
Synthetic binders such as Petroset, Terratack, and Aerospray may be used, as recommended
by the manufacturer, to anchor mulch. These are expensive, and therefore usually used in
small areas or in residential areas where asphalt may be a problem (Use of trade names does
not constitute an endorsement).
CHEMICAL MULCHES:
Chemical mulches may be effective for soil stabilization if used between May 1 and June 15, or
Sept. 15 and Oct. 15, provided that they are used on slopes no steeper than 4:1, and that
proper seedbed preparation has been accomplished, including surface roughening where required.
Chemical mulches may be used to bind other mulches, or with wood fiber in a hydroseeded
slurry at any time. Follow the manufacturer's recommendations for application.
MAINTENANCE
Generally, a stand of vegetation cannot be determined to be fully established until
soil cover has been maintained for one (1) full year from planting, inspect seeded
areas for failure and make necessary repairs and reseedings within the same season,
if possible.
Reseeding — If a stand has inadequate cover, re—evaluate choice of plant materials
and quantities of lime and fertilizer. Re—establish the stand after seedbed preparation
or over— seed the stand. Consider seeding temporary, annual species if the time of
year is not appropriate for permanent seeding. If vegetation fails to grow, soil must
be tested to determine if acidity or nutrient imbalance is responsible.
Fertilization — On the typical disturbed site, full establishment usually requires
refertilization in the second growing season. Fine turf requires annual maintenance
fertilization. Use soil tests if possible or follow the guidelines given for the specific
seeding mixture.
ISSUED FOR PERMITTING
DATE: 04/11 /18
PERMANENT SEEDING SPECIFICATION
PROVIDE GROUNDCOVER ON EXPOSED SLOPES WITHIN 21 CALENDAR DAYS FOLLOWING
COMPLETION OF ANY PHASE OF GRADING; TEMPORARY OR PERMANENT VEGETATION
GROUNDCOVER FOR ALL DISTURBED AREAS WITHIN 15 WORKING DAYS OR 90 CALENDAR DAYS
(WHICHEVER IS SHORTER) FOLLOWING COMPLETION OF CONSTRUCTION OR DEVELOPMENT.
RATE OF APPLICATION
ITEM
(Ibs/acre)
OPTIMAL PLANTING DATES
KY 31 TALL FESCUE
100
9/30-3/15
COMMON BERMUDAGRASS
25
4/15-6/30
CENTIPEDEGRASS
5
9/1-5/1
GROUND AGRICULTURAL LIMESTONE
75 Ibs per 1,000 sq. feet
NA
PER SOIL TEST OR 10-10-10
700-1000
NA
FERTILIZER
WHEAT OR OAT STRAW
1-2 TONS/ACRE DRY,
UNCHOPPED, UNWEATHERD;
MULCH (ORGANIC OR CHEMICAL)
AVOID WEEDS SEE TABLE
6.14a NC E&S DESIGN
MANUAL FOR ADDITIONAL
OPTIONS
TEMPORARY SEEDING SPECIFICATION
PROVIDE GROUNDCOVER ON EXPOSED SLOPES WITHIN 21 CALENDAR DAYS
FOLLOWING COMPLETION OF ANY PHASE OF GRADING; TEMPORARY OR
PERMANENT VEGETATION GROUNDCOVER FOR ALL DISTURBED AREAS WITHIN 15
WORKING DAYS OR 90 CALENDAR DAYS (WHICHEVER IS SHORTER) FOLLOWING
COMPLETION OF CONSTRUCTION OR DEVELOPMENT.
TIME PERIOD
ITEM
RATE OF APPLICATION
(Ibs/acre)
RYE (GRAIN)
120
KOBE LESPEDEZA
50
DECEMBER 1
TO
GROUND AGRICULTURAL LIMESTONE
PER SOIL TEST OR 2,000
APRIL 15
10-10-10 FERTILIZER
PER SOIL TEST OR 750
MULCH (WHEAT OR OAT STRAW)
4,000
GERMAN MILLET
40
GROUND AGRICULTURAL LIMESTONE
PER SOIL TEST OR 2,000
APRIL 15 TO
AUGUST 15
PER SOIL TEST OR 10-10-10 FERTILIZER
PER SOIL TEST OR 750
MULCH (WHEAT OR OAT STRAW)
4,000
RYE (GRAIN)
120
GROUND AGRICULTURAL LIMESTONE
PER SOIL TEST OR 2,000
AUGUST 15
10-10-10 FERTILIZER
PER SOIL TEST OR 1,000
TO
DECEMBER 30
4000 (Anchor straw in
MULCH (WHEAT OR OAT STRAW)
accordance with
Specification on this
Drawing)
559
J.
111i111 01`1
NC CORP. LICENSE NO. C-1837
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CADD FILE:
SHEET 9-SEED..
DATE:
APRIL 2018
SCALE:
AS SHOWN
DRAWING NO.
09 of 9