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VICINITY MAP
N.T.S.
VD),
CONSTRUCTION SCHEDULE
110111
1.
Obtain all necessary permits and plan approvals. Erosion and Sediment Control
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(E&SC) permit and a Certificate of Coverage (COC) must be obtained before any land disturbing activities
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occur. A copy of the E&SC permit, the COC and a hard copy of the plan must be kept on site, preferably in a
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permits box, and accessible during inspection.
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2.
Install gravel construction entrances first, then silt fences, reinforced silt fence outlets and wattles.
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3.
Finish clearing and grubbing any necessary areas on the lots as they are started.
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4.
Begin lot grading and excavation activities
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5.
Begin or continue with house construction activities.
6.
Finish all rough grading and house construction.
7.
Install driveways, walks and patios.
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8.
Begin fine grading of lot areas
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9.
Final grassing, mulching and stabilizing of lot. In most cases this will involve the installation of sod on the lot.
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The silt fence will remain in place until the lot is sodded or grassing is stabilized and takes hold.
10.
The contractor shall conduct self -inspections of the erosion and sedimentation control measures and complete
the following combined self -inspection form found on the DENIER website
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https:Hfiles.nc.gov/ncdeg/Energy%2oMineral%20and%2OLand%2OResources/Stormwater/NPDES%20
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General%20Pennits/DEMLR-CSW-Monitoring-Forms-Rev-August-8-2019.pdf. Twelve months of complete
inspection forms shall be kept on site and available for inspection at all times. It is recommended a copy be
kept in a permits box. (GS 113A-54.1 (e), 15A NCAC 0413.0131, NCGOI Part III Sections A and B)
CAA 20
11.
Self -inspections for erosion and sedimentation control measures are to be performed at least once every seven
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calendar days and within 24 hours of every rain event of greater than 1 inch. Any needed repairs shall be
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made immediately to maintain measures as designed. All ESC measures shall be maintained as specified in
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the construction details on this plan. A rain gauge shall be installed at the project site for monitoring.
12.
Inspection and final acceptance letters. When the project is complete, the permittees shall contact DENIER to
close out the E&SC Plan. After DENIER informs the permittee of the project close out, via inspection report,
the permittee shall visit "deq.nc.gov/NCGO1" to submit an electronic Notice oftermination (e-NOT). A $100
annual general permit fee will be charged until the e-NOT has been filled out.
A "SELF -INSPECTION REPORT FOR LAND DISTURBING ACTIVITY AS REQUIRED BY
NCGS 113A-54.1"IS AVAILABLE FOR USE. IT CAN BE COMPLETED BY HAND OR
COMPLETED AS AN EXCEL SPREADSHEET.
AN ALTERNATIVE IS TO MAKE NOTATIONS ON THE COPY OF THE APPROVED
EROSION AND
SEDIMENTATION CONTROL PLAN THAT IS KEPT ON THE PROJECT SITE. RULE 15A
NCAC 04B. 0131 STATES THAT "...DOCUMENTATION SHALL BE ACCOMPLISHED BY
INITIALING AND DATING EACH MEASURE OR PRACTICE SHOWN ON A COPY OF THE
APPROVED EROSION AND SEDIMENTATION CONTROL PLAN OR BY COMPLETING,
DATING AND SIGNING AN INSPECTION REPORT THAT LISTS EACH MEASURE,
PRACTICE OR DEVICE SHOWN ON THE APPROVED EROSION AND SEDIMENTATION
CONTROL PLAN."
GROUND STABILIZATION
SITE AREA
STABILIZATION
EXCEPTIONS
DESCRIPTION
TIME FRAME
PERIMETER DIKES,
7 DAYS
NONE
SWALES, DITCHES
& SLOPES
HIGH QUALITY
7 DAYS
NONE
WATER ZONES
(HQW)
SLOPES STEEPER
7 DAYS
IF SLOPES ARE
THAN 3:1
10' OR LESS IN
LENGTH AND ARE
NOT STEEPER
THAN 2:1, 14
DAYS ARE
ALLOWED
SLOPES 3:1 OR
14 DAYS
7 DAYS FOR
FLATTER
SLOPES GREATER
THAN 50' IN
LENGTH
ALL OTHER AREAS
14 DAYS
NONE (EXCEPT
WITH SLOPES
FOR PERIMETERS
FLATTER THAN 4:1
AND HQW ZONES)
DATE: PAGE:
Silt Sock/ Wattle Silt Sock/ Wattle NOTE:
FLOWZ� 3 Area to be FLOW 3" Area to be 1. Other materials providing equivalent protection
I I I I Protected against erosive velocities may be substituted for
• - Protected ,
• use in silt socks or wattles.
12'' Min. 2. Fill silt sockmattle netting uniformly with compost
_� 2" x 2" 12" Min. 2" x 2" to the desired length such that logs do not deform.
Stakes Stakes 3. Silt sock/Wattle(s) should be installed parallel to
SECTION and a minimum of 10 feet beyond the toe of a
SECTION graded slope. Silt Sock/Wattle(s) located below
flat areas should be located at the edge of the
land disturbance. The ends of the silt
sock/wattle(s) should be turned slightly upslope to
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Maprevent runoff from going around the end of the
silt sock/wattle(s).
Oak or other durable hardwood stakes with a 2
inch x 2 inch cross section should be driven
vertically plumb, through the center of the silt
sock/wattle. Stakes should be placed at a
maximum interval of 4 feet or a maximum interval
Trench in of 8 feet if the silt sock/wattle is placed in a 4 inch
Mulch or Com at ground 4" Min. trench.
To 1/2 height of log 5. In the event staking is not possible (ie. when
UNTRENCHED INSTALLATION ENTRENCHED INSTALLATION* socks/wattles are used on pavement) heavy
'THIS APPLICATION MAY NOT 6E USEO- COMPOST SOCKS SMALLER THAN I2'l concrete b ocks shall be used behind the silt
sock/wattle to hold it in place during runoff events.
ISOMETRIC VIEW MAINTENANCE:
1. Inspect silt sock/wattle at least weekly and after
each 1 inch or rester rainfall Remove
Mulch or Compost
for Untrenched Socks Area To Be Pr
Sheet Flow -
Silt Sock
Wattle
Work Area
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accumulated sediment and any debris as
needed to allow for adequate flow.
2. Silt sock/Wattle must be replaced if clogged or
torn.
3. If ponding becomes excessive, the silt
sock/wattle may need to be replaced with a
larger diameter or a different measure.
4. Reinstall if damaged or dislodged.
5. Silt socks/wattles shall be inspected until land
disturbance is compete and the area above the
measure has been permanently stabilized.
Envir SILT SOCK / WATTLE FOR PERIMETER AND INLET PROTECTION
COMPOST SOCK INITIAL FLOW RATES
tecCt@B�Past Sock
8 Inch
(200
12 Inch
16 Inch
24 Inch
32 Inch
750
(m)
Design Diameter
nm)
(300 nm)
(450 nm)
(600 nm)
nm)
Maximum Slope
600 Feet
750 Feet
1,000
1,300
1,650
Length (<2%)
(Ia3 m)
(229 m)
Feet
Feet
Feet
(305 m)
(396 m)
(500 m)
Hydraulic Flow
7.5
11.3
15.0
22.5
30.0
Through Rate
gpm/ft
gpm/ft
gpm/ft
gpm/ft
gpm/ft
(94
(141
(1 as
(281
(374
DATE: PAGE:
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FLOW DIRECTION
SILT FENCE
DIVERSION DITCH T�TB-
WADDLE/ SILT SOCKS
SILT FENCE OUTLET
CONSTRUCTION ENTRANCE
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Notes:
1. If needed, Tree Protection fencing should be installed along the buffer zone, wetland
boundary and/or around protected trees, providing a radius of at least 1.25 feet for each
inch of trunk diameter.
2. Install Silt Fence on the low elevation sides of each lot. Install Silt Fence outlets shown on
schematic/diagram and field adjusted, if necessary, for placement at low points. If lots are
contiguous and have different land owners or builders, each lot should have individual Silt
Fences.
3. Install required Silt Fence within 10 feet of property line to ensure there is no conflict with
septic system. It is the responsibility of the builder to ensure the installation of sediment
control measures does not impact the septic system and repair area(s).
4. At least one Construction Entrance/Exit is to be installed per lot.
5. Waste bins and other areas dedicated for managing building material waste shall be at
least 50 feet away from storm drain inlets or drainage ditches unless it can be shown that
no other alternative exists. If this separation cannot be achieved, these areas must be
contained behind Silt Fence.
6. Inlets downstream of disturbances should be protected; streets should be swept when
sediment from the construction activity is present.
7. Details for Silt Fence, Silt Fence Outlets, Construction Entrances and other measures are
provided on additional sheets. Erosion and sediment control details are not drawn to
scale. TYPICAL LOT LAYOUT WITH ROADSIDE DITCHES
DATE: PAGE:
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To F
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Q ant of
yoUse
6" Min
/ ea
2-3" Course A
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Construction: Maintenance:
1. Clear the entrance and exit area of all vegetation, roots, and other objectionable 1. Per NCG-01 inspect at least once a week and after each 1 inch or greater rainfall,
material and properly grade it. make any required repairs immediately.
2. Place the gravel to the specific grade and dimensions shown on the plans, and 2. Maintain the gravel pad in a condition to prevent mud or sediment from leaving the
smooth it. construction site. This may require periodic topdressing with 2 inch stone.
3. Provide drainage to carry water to a sediment trap or other suitable outlet. 3. Immediately remove all objectionable materials spilled, washed or tracked onto public
4. Use geotextile fabrics in order to improve stability of the foundation in locations roadways.
subject to seepage or high water table.
CONSTRUCTION ENTRANCE / EXIT
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198
200
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17
Lot Plan
"Fn
30' X 30'
OINT DRIVE-
SEMENT
\OP
CONSTRUCTION
LIMITS \
Pl
Lot n
F"
CONSTRUCTION
ENTRANCE
/ 200
/
200
/ c9 /
/
CONSTRUCTION
LIMITS
-� ENTRANCE
DRIVEWAY
PIPE IN DITCH 20
7 AY GROUND COVER IN D CH WHER
PIPES HAVE BEEN IN ALLIED
Lola n
"A"
30' X 30'
JOINT DRIVE
EASEMENT
/ oQ /DRIVE AY
/PIPE IN TCH
7 DA OROUND COVER IN DITCH WHERE
/ PIPES HAV BEEN INSTALLED DRIVEWAY-
/ / PIPE IN DITCH
LotL
12
"All
CONSTRUCTION
ENTRANCE
3( X 30'
JOINT DRIVE-
77
EASEMENT
11
10
9
1 ROADSIDE 30' X 30'
DITCH JOINT DRIVE
p2 �! EASEMENT
pod
ROADSIDE n R
DITCH Q oald
TEMP TURN
AROUND
roposed 200
60' lic R/W
200
i
202
ROADSIDE
_DITCH
cal <<< 2\
30' X 30'
JOINT DRIVI
ASEMENT
5
REINFORCPQ_
SILT FENCE I
r 19� \\
DAY GROUND COVER N DITCH WHERE
PIPES HAVE BEEN IN ALLED DZ
PIPE IN
MAINTENANCE OF EROSION AND SEDIMENTATION CONTROL MEASURES FOR LOT CONSTRUCTION
General - All measures will be inspected and corrections made after runoff producing rainfalls or at least once per week minimum. The builder will insure that the construction activities on an articular lot do not adverse) affect an of the installed erosion control measures. If lot construction dictates measures will be
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relocated on the lot to insure that the potential for sedimentation runoff is eliminated as much as possible. Silt fences and gravel construction entrances will be maintained as suggested in the erosion control manual. Sodding, seeding and mulching will be maintained to insure proper ground stabilizing cover.
Gravel Construction Entrance - The gravel pad should remain in a condition to prevent mud or sediment from leaving the construction site. This may require periodic topdressing with 2-inch stone. After each rainfall, inspect any structure used to trap sediment and clean it out as necessary. Immediately remove all
objectionable materials spilled, washed, or tracked onto public roadways.
Silt Fence - Sediment fences should be inspected at least once a week and after each rainfall event. Any repairs should be made immediately. Damaged or decomposed fabric should be replaced promptly. Any sediment deposits that build up against the fence should be removed and disposed of properly to insure
that the removed sediment does not wash back against the fence. Adequate storage volume should be provided for behind the fence at tall times. Take care to not undermine the fence during cleanout operations.
Sodding - The sod should be properly maintained to insure that the grass take holds in the areas being secured. The sod should be watered as necessary to maintain adequate moisture in the root zone and prevent dormancy of the sod. The sod should not be mowed to close, since this could inhibit adequate growth
and stabilization of the root bed. The sod should be limed and fertilized as per soil type recommendations and type of grass recommendations when and if possible.
Grassing and Mulching - The area to receive grassing and mulching should be properly fertilized and limed as necessary as an initial step in soil preparation. Once the grassing has been placed, the area should be maintained as needed to insure that all areas are germinating properly. Any bare areas should be
repaired, and reseeded as soon as possible. If the time of year does not permit the establishment of a permanent grass, then a temporary grassing should be used until the growing season permits the use of a permanent grass.
Wattles - Wattles shall be inspected after significant rainfall events. Rills or gullies upslope of the wattle and any undercutting is to be repaired. Sediment deposits that impair the filtration capability of the wattle shall be removed when the sediment reaches one-third of the wattles functional freeboard height. Removed
sediment shall be deposited within the project in such a way that the sediment is not subject to erosion by wind or water.
Reinforced Silt Fence Outlet - Remove sediment deposits as necessary to provide adequate storage volume for the next rain to reduce pressure on the fence/outlet. Take care to avoid undermining the fence during cleanout. Remove and replace stone as necessary as it becomes clogged with sediment. Remove all
fencing materials and unstable sediment deposits and bring the area to grade and stabilize it after the contributing drainage area has been property stabilized.
LIMITS
_ 204
\ REI�NEWATTLE SI
SILT ENCE� /� ---I WATTLE \
(T ) 3
'X30'
fW�4TTEE JOIN RIVE
} EASEM NIT / �Zo
\ CONSRUCTIO
ENTRANC\
SIB FENCE t
\fix P. 2�G
2p� X 30\
\JOI DRIVEN
\ S EAS NT
REINFORCED
SILT FENCE \ /
OUTLET a
ROAD 1
DITCH
PAGE 1 of 2
TOTAL DISTURBED ACREAGE: 3.18 ACRES
LOT EROSION CONTROL PLAN
LOTS 3, 4 & 13-17
DUNN FARMS ESTATES
SECTION 1
FOR
A&G RESIDENTIAL
LUMBER BRIDGE TWP. ROBESON COUNTY
SCALE: 1 "= 100' OCTOBER 2021
C RAPHIC,' SCALE
100 0 50 100 200
400
( IN FEET j
I inch - 100 ft.
MOORMAN, KIZER & REITZEL, INC. 115 BROADFOOT AVE. FAYETTEVILLE, N.C. 28305
PHONE (910) 484-5191 FAX (910) 484-0388 LICENSE #F-0106
LAST SAVED:10\5\2021 6:09 AM LAST PLOTTED: 10\5\2021 4:16 PM PLOTTED BY: Dennis Gilbert FILENAME: G:ASTAFF\DENNIS\DENNIS BACKUP 6-16-15\PROJECTS\EC NEW PROJECT\DUNN FARMS EC -LOTS 3, 4 & 13-17.DWG