NCC220719_Site Plan or Location Map_20220210

TEMPORARY GRAVEL
CONSTRUCTION ENTRANCE
(SEE DETAIL)
LIMIT OF DISTURBANCE —X
LOCATOR MAP
SCALE: NONE
WS/FC EROSION CONTROL NOTICE
PLANS APPROVED FOR CONSTRUCTION
This plan complies with Chapter 8, Section 4 - Erosion Control
of the Winston-Salem/Forsyth County Unified Development
Ordinance. A printed set of the stamped/approved plans must
be kept on the construction site for reference when installing
required erosion control measures.
matthewo
12/27/2021 9:15:16 AM
ONSITE CONCRETE WASHOUT
STRUCTURE WITH LINER
10'-0" MIN.
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SANDBAGS (TYP.)
OR STAPLE
1024 /
1:1 PLASTIC SANDBAGSATYP.)
SIDE SLOPE LINING OR STAPLE
(TYP.) �
CLEARLY MARKED SIGNAGE SECTION A -A
CONCRETE NOTING DEVICE (18"X24" MIN.)
WASHOUT NOTES:
1. ACTUAL LOCATION DETERMINED IN FIELD
T—F 2. THE CONCRETE WASHOUT STRUCTURES SHALL BE
MAINTAINED WHEN THE LIQUID AND/OR SOLID REACHES
75% OF THE STRUCTURES CAPACITY.
PLAN 3.CONCRETE WASHOUT STRUCTURE NEEDS TO BE
CLEARY MARKED WITH SIGNAGE NOTING DEVICE.
BELOW GRADE WASHOUT STRUCTURE
NOT TO SCALE
CONCRETE WASHOUT DETAIL
SCALE
EROSION CONTROL PLAN
SCALE: 1" = 20'-0"
NOTE: TOTAL AREA DISTURBED BY CONSTRUCTION 47,615 SF
EID
I— luub 1006 1004
LIMIT OF DISTURBANCE
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Seeding mixture
Species
Rye (grain)
Rate (lb/acre)
120
Seeding dates
Mountains Aug. 15 - Dec. 15
Coastal Plain and Piedmont Aug. 15 - Dec. 30
Soil amendments
Follow soil tests or apply 2,000 lb/acre ground agricultural limestone
and 1,000 lb/acre 10-10-10 fertilizer.
Mulch
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt, netting,
or a mulch anchoring tool. A disk with blades set nearly straight can be
used as a mulch anchoring tool.
Maintenance
Repair and refertilize damaged areas immediately. Topdress with 50
lb/acre of nitrogen in March. If it is necessary to extent temporary
cover beyond June 15, overseed with 50 lb/acre Kobe (Piedmont and
Coastal Plain) or Korean (Mountains) lespedeza in late February or
early March.
TEMPORARY SEEDING SPECIFICATION -FALL
SCALE: NONE
Seeding mixture
Species'
Blend of 50% KY-31 tall fescue
and 50% mixture of two or more
turf -type tall fescues
Blend of three or more turf -type
tall fescues
Seeding dates
Best
Fall: Aug. 25 - Sept. 15
Winter: —
Rate (lb/acre)
200-250
200-250
Possible
Aug. 20 - Oct. 25
Feb. 1 - Mar. 31
For quality turf avoid spring seeding. Where grading is completed during
late winter or spring, an alternative is to seed 30 lb/acre Kobe lespedeza,
keep mowed, prepare seedbed, and seed permanent mixture between
Aug. 25 and Sept. 15.
Soil amendments
Apply lime and fertilizer according to soil tests, or apply 4,000 lb/acre
ground agricultural limestone and 1,000 lb/acre 10-10-10 fertilizer.
Mulch
Apply 4,000 lb/acre grain straw or equivalent cover of another suitable
mulch. Anchor straw by tacking with asphalt, roving, or netting or by crimp-
ing with a mulch anchoring tool. A disk with blades set nearly straight can
be used as a mulch anchoring tool.
Maintenance
Fertilize according to soil tests or apply 40 lb/acre nitrogen in Jan. or Feb.,
40 lb in Sept., and 40 lb in Nov., from a 12-4-8, 16-4-8, or similar turf fer-
tilizer. Avoid fertilizer applications during warm weather, as this increases
stand losses to disease. Reseed, fertilize, and mulch damaged areas im-
mediately. Mow to a height of 2.5-3.5 inches as needed.
1 Refer to Appendix 8.02for botanical names.
Seeding mixture
Species
Rye (grain)
Annual lespedeza (Kobe in
Piedmont and Coastal Plain,
Korean in Mountains)
Rate (lb/acre)
120
50
Omit annual lespedeza when duration of temporary cover is not to
extend beyond June.
Seeding dates
Mountains Above 2500 feet: Feb. 15 - May 15
Below 2500 feet: Feb. 1- May 1
Piedmont Jan. 1 - May 1
Coastal Plain Dec. 1 - Apr. 15
Soil amendments
Follow recommendations of soil tests or apply 2,000 lb/acre ground
agricultural limestone and 750 lb/acre 10-10-10 fertilizer.
Mulch
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt, netting,
or a mulch anchoring tool. A disk with blades set nearly straight can be
used as a mulch anchoring tool.
Maintenance
Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
immediately following erosion or other damage.
TEMPORARY SEEDING SPECIFICATION -WINTER AND SPRING
SCALE: NONE
STEEL POSTS (QUANTITY VAR.)
PLASTIC SLOPE DRAIN
PIPE(12'9 --\ YWIN.)
3WIN.)
TEMPORARY OR
PERMANENT DITCH
GEOTEXTILE*
2'(MIN.)-*-] If 1'(MIN.)Ilr
2:1 (MIN.) SLOPE
FF►I
4'(MIN.)
PRIMARY SPILLWAY
SKIMMER (SIZE VAR.)
4
ROPE
WOOD STAKE,
STEEL POST
STONE PAD ORSTAPLE
PRIMARY SPILLWAY
TEMPORARY OR
PERMANENT DITCH L-3W
6" (MIN.)3l4L
dl 1 2L 1(h
U4L QMIN.) ]'(MIN.)
j
T r
rGEOTEXTILE*
6'(MIN.)
COIR FIBER MAT
EARTH DIKE
OVERLAP
MIN.'
GEOTEXTILE"
1.5:1{MIN.' 3, 4' -4"(MIN.) COIR
,+►I = - � �FIBERMAT
UNCLASSIFIED
4• VARIABLE
EARTH MATERIAL 2' ,' (MAX.)
COIR FIBER RAFFLE
NATURAL GROUND LEVEL
STEEL POSTS RIGID
COUPLING
CLASS B STONE PAD (4'X4'X1'MIX) UNCLASSIFIED EARTH
MATERIAL
PLAN VIEW, CROSS SECTION AND PRIMARY SPILLWAY (NOTTO SCALE)
*LOW PERMEABILITY GEOTEXTILE FOR EAST AREAS - DIVISIONS 1, Z 3,4 & 6.
PLACEA 6-INCH BAND OF SEALANT AROUND THE INTERIOR FACE OF THE OUTLET BARREL PIPE.
#10 STEEL
REINFORCEMENT BAR
4"
DID
4� BEND
24"
COIR FIBER MAT ANCHOR OPTIONS
2"x2"(NOMINAL)
WOODEN STAKE
1-2"
12-24' 1-2"
'"(NOMINAL) STAPLE
I�►I
12"
IF
TEMPORARY SKIMMER BASIN
SCALE: NONE
Seeding mixture
Species
German millet
Rate (lb/acre)
40
In the Piedmont and Mountains, a small -stemmed Sudangrass may be
substituted at a rate of 50 lb/acre.
Seeding dates
Mountains May 15 -Aug. 15
Piedmont May 1 -Aug. 15
Coastal Plain Apr. 15 -Aug. 15
Soil amendments
Follow recommendations of soil tests or apply 2,000 lb/acre ground
agricultural limestone and 750 lb/acre 10-10-10 fertilizer.
Mulch
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt, netting,
or a mulch anchoring tool. A disk with blades set nearly straight can be
used as a mulch anchoring tool.
Maintenance
Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
immediately following erosion or other damage.
TEMPORARY SEEDING SPECIFICATION -SUMMER
SCALE: NONE
Construction Specifications
Installation
• Construct the basin according to the Erosion and Sediment Control
plan with the basin surface free of obstructions, debris and pockets of
low -density material.
• Assemble and install the skimmer as instructed by the manufacturer.
• Place a 6-inch band of sealant around the interior face of the outlet
barrel pipe.
• Depending on the expected time period for which the skimmer basin
is designed, permanently or temporarily seed all bare side slopes of
the basin.
Dimensions
• Limit the dam height to 5 feet.
• Install the skimmer a minimum of 1 foot from the bottom of the basin.
• The minimum basin width should be 3 times the depth of the basin.
For a basin depth of 3 feet, the minimum basin width should be g feet.
Matting
• Install coir fiber matting under the outlet of the skimmer with
minimum dimensions of g feet long by 6 feet wide.
• Install matting for erosion control on exposed side slopes after
seeding is completed.
Geotextile
• Unroll the geotextile on the spillway in the direction of flow, with
edges buried at least 6 inches deep. The geotextile should be one
continuous piece of material or overlapped a minimum of 18 inches.
For Divisions 1, 2, 3, 4, and 6 in the eastern part of the state, use a low
permeability geotextile.
• Replace the plastic slope drain pipe at the inlet of the basin with
geotextile as directed.
Baffles
• Install 3 coir fiber baffles in the skimmer basin with a spacing of the
basin length.
• Install a minimum of 2 coir fiber baffles in basins with less than 20 feet
of length at spacing of 1/3 the basin length.
Stone
• Install a Class B stone pad (4 feet by 4 feet by 12 inches high) directly
underneath the skimmer device.
Anchors
• Anchor the coir fiber mat with wooden stakes, steel reinforcement
rebar or metal staples.
• Anchor the geotextile with 6" staples at a maximum spacing of 3 ft.
Primary Spillway
• Construct the primary spillway with a trapezoidal cross-section, with
2:1 side slopes, and a minimum base width of 4 feet.
TEMPORARY SKIMMER SPECIFICATIONS
SCALE: NONE
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PERMANENT SEEDING SPECIFICATION

Construction Sequence
1. Obtain grading/erosion control plan approval and permit
from the City of Winston-Salem Inspections.
2. Contact Erosion Control Inspector to establish a
pre -construction conference and inspection schedule.
Self Inspection... Effective October 1, 2010, persons
conducting
land -disturbing activities, larger that one (1) acre, must inspect
their project after each phase of the project, and document the
inspection in writing on approved forms available from the City
of Winston-Salem Inspections office.
The phases are as follows:
a. Installation of perimeter Erosion and Sediment Control
measures.
b. Clearing and grubbing of existing ground cover.
c. Completion of any phase of grading of slopes or fills.
d. Installation of storm drainage facilities.
e. Completion of construction or development.
f. Establishment of permanent ground cover sufficient to
restrain erosion.
3. Clear site ONLY as necessary to install initial Erosion
Control measures as follows:
a. Temporary construction entrance/exit
b. Temporary sediment basins. For sites over one (1)
acre, outlet structures (skimmers) that only withdraw water from
the surface of the basin, shall be utilized. No sediment traps or
rock dams allowed.
c. Temporary diversion berms
d. Temporary silt fencing
Seed embankments and disturbed areas of devices (including
"clean" water diversion) upon completion of construction. See
Ground Stabilization Criteria for more information.
4. Begin clearing, grubbing, and stripping of site as required.
Earthen -material stockpiles on -site for later distribution and/or
removal, areas dedicated for management of land clearing and
demolition debris, construction and domestic waste, and
hazardous or toxic waste shall be located 50 feet away from
storm drain inlets and surface waters (unless it can be shown
that no other alternatives are reasonably available), and within
areas protected by Erosion Control measures.
5. Begin site grading. Maintain Erosion Control devices in
accordance with the maintenance plan. Install additional
Erosion Control measures as required.
6. Install storm drainage system and utilities. Storm piping
shall be installed to the point where it enters each device.
Completion of piping will ONLY be allowed once the site has
been deemed stable by the Erosion Control Inspector. Install
protection around all inlets as storm drain system is installed.
7. Prior to the Contractor demobilizing from the site (at
approximately 45 days prior to demobilization), the Financially
Responsible Party (or their designee) will notify Joe Fogarty (City
of Winston-Salem Stormwater Engineer, 336-747-6961)and the
designated Erosion Control Inspector of their anticipated date to
leave the site. An on -site inspection will be conducted prior to
the leave date by Mr. Fogarty and the designated Erosion
Control Inspector to make
certain all action items have been addressed by the Contractor.
8. Continue to maintain Erosion Control measures until
vegetative cover has been established over all disturbed areas
and site has been stabilized. Remove Erosion Control
measures ONLY after final inspection and approval by
Inspector.
Erosion Control Maintenance Plan
1. Inspect all sedimentation and Erosion Control devices for
stability and function each week and following each rainfall
event.
2. Remove silt/sediment from temporary devices when
accumulated volume has reached 50% capacity.
3. Remove accumulated silt/sediment from behind
temporary sediment fence when depth exceeds approximately
0.5'. Repair and replace silt fence as necessary.
4. Seed and stabilize temporary diversion berms immediately
after construction including "clean" water diversion berms.
Re-grade/repair berms as required.
5. Contractor shall appoint an on -site inspector and maintain
records of inspections in accordance with the provisions of the
general NPDES Stormwater discharge permit for construction
activities.
TEMPORARY GRAVEL CONSTRUCTION ENTRANCE/EXIT
NTS
UUUH5t /AUUHtzU/A I t
CONSTRUCTION SPECIFICATIONS
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 BECAUSE THEY IMPROVE STABILITY
OF THE FOUNDATIOIN IN LOCATIONS SUBJECT TO SEEPAGE OR
HIGH WATER TABLE.
1/G
MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR
SEDIMENT FROM LEAVING THE CONSTRUCTIOIN SITE. THIS MAY
REQUIRE PERIODIC TOPDRESSING WITH 2" STONE. AFTER EACH
RAINFALL, INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND
CLEAN IT OUT AS NECESSARY. IMMEDIATELY REMOVE ALL
OBJECTIOINABLE MATERIALS SPILLED, WASHED, OR TRACKED ONTO
PUBLIC ROADWAYS.
TEMPORARY GRAVEL CONSTRUCTION ENTRANCE
SCALE: NONE
Site Area
Stabilization
Stabilization
Description
Timeframe
Timeframe
Exceptions
Perimeter dikes, swales,
7 days
None
ditches, & slopes
Slopes steeper than 3:1
7 days
If slopes are 10' or less in
length & are not steeper
than 2:1 , 14 days are allowed
Slopes 3:1 or flatter
14 days
7 days for slopes>50 feet
in length
All other areas with
14 days
None
slopes flatter than 4:1
TEMPORARY DIVERSION
NTS
2 -4
6' TYPICAL
CONSTRUCTIION SPECIFICATIONS
1. REMOVE AND PROPERLY DISPOSE OF ALL TREES,BRUSH,
STUMPS, AND OTHER OBJECTIONABLE MATERIAL.
2. ENSURE THAT THE MINIMUM CROSS SECTION MEETS ALL
DESIGN REQUIREMENTS.
3. ENSURE THAT THE TOP OF THE DIKE IS NOT LOWER
THAN THE DESIGN ELEVATION PLUS THE SPECIFIED
SETTLEMENT.
4. PROVIDE SUFFICIENT ROOM AROUND DIVERSIOINS TO
PERMIT MACHINE REGRADING AND CLEANOUT.
5. VEGETATE THE RIDGE IMMEDIATELY AFTER CONSTRUCTION
UNLESS IT WILL REMAIN IN PLACE LESS THAN 30
WORKING DAYS.
MAINTENANCE:
INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER
EVERY RAINFALL. IMMEDIATELY REMOVE SEDIMENT FROM THE
FLOW AREA AND REPAIR THE DIVERSION RIDGE. CAREFULLY
CHECK OUTLETS AND MAKE TIMELY REPAIRS AS NEEDED.
WHEN THE AREA PROTECTED IS PERMANENTLY STABILIZED,
REMOVE THE RIDGE AND THE CHANNEL TO BLEND WITH THE
NATURAL GROUND LEVEL AND APPROPRIATELY STABILIZE IT.
TEMPORARY DIVERSION DETAIL
SCALE: NONE
GEOTEXTILE FABRIC
COMPACTED SOIL
OVER TOE OF FABRIC
BURIED 8" DEEP
SILT FENCE
NTS
A' �-,TFFI POSTS
OCATE POSTS DOWNSLOPE FROM
ABRIC TO HELP SUPPORT FENCING
FLOAT
CONSTRUCTION SPECIFICATIONS
MATERIALS
1. USE A SYNTHETIC FILTER FABRIC OR A PERVIOUS SHEET OF NYLON,
POLYPROPYLENE, POLYESTER, OR POLYETHYLENE YARN WHICH IS CERTIFIED
BY THE MANUFACTURER OF SUPPLIER AS CONFORMING TO THE REQUIREMENTS
SHOWN IN TABLE 6.63B.
SYNTHETIC FIBER FABRIC SHOULD CONTAIN ULTRAVIOLET RAY INHIBITORS
AND STABILIZERS TO PROVIDE A MINIMUM OF 6 MONTHS OF EXPECTED
USEABLE CONSTRUCTION LIFE AT A TEMPERATURE RANGE OF 0 TO 120
DEGREES F.
2. ENSURE THAT THE POSTS FOR SEDIMENT FENCES ARE
1.33 LB/LINEAR FT. STEEL WITH
A MINIMUM LENGTH OF 4 FT. MAKE SURE THAT STEEL POSTS HAVE
PROJECTIONS TO FACILITATE FASTENING THE FABRIC.
3. FOR REINFORCEMENT OF STANDARD STRENGTH FILTER FABRIC, USE WIRE
FENCE WITH A MINIMUM 14 GAUGE AND A MAXIMUM MESH SPACING OF 6 INCHES.
CONSTRUCTION
1. CONSTRUCT THE SEDIMENT BARRIER OF STANDARD STRENGTH OR EXTRA
STRENGTH SYNTHETIC FILTER FABRIC.
2. ENSURE THAT THE HEIGHT OF THE SEDIMENT FENCE DOES NOT EXCEED 18
INCHES ABOVE THE GROUND SURFACE. (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
OVERLAP TO THE NEXT POST.
4. SUPPORT STANDARD STRENGTH FILTER FABRIC BY WIRE MESH FASTENED
SECURELY TO THE UPSLOPE SIDE OF THE POSTS USING HEAVY DUTY WIRE
STAPLES AT LEAST 1 INCH LONG OR WIRE TIES.
5. WHEN A WIRE MESH SUPPORT FENCE IS USED, SPACE POSTS A MAXIMUM OF
8 FEET APART. SUPPORT POSTS SHOULD BE DRIVEN SECURELY INTO THE
GROUND A MINIMUM OF 18 INCHES.
6. EXTRA STRENGTH FILTER FABRIC WITH A 6 FOOT POST SPACING DOES NOT
REQUIRE WIRE MESH SUPPORT FENCE. STAPLE OR WIRE THE FILTER
FABRIC DIRECTLY TO THE POSTS.
7. EXCAVATE A TRENCH APPROXIMATELY 4 INCHES WIDE AND 8 INCHES DEEP
ALONG THE PROPOSED LINE OF POSTS AND UPSLOPE FROM THE BERRIER.
8. BACKFILL THE TRENCH WITH COMPACTED SOIL PLACED OVER
THE FILTER FABRIC.
9. DO NOT ATTACH FILTER FABRIC TO EXISTING TREES
MAINTENANCE
INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH
RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE OR
BECOME INAFFECTIVE REPLACE IT PROMPTLY. REPLACE BURLAP EVERY 60 DAYS
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 CLEANOUT.
REMOVE ALL FENCING MATERIALS AND UNSTABLE DEPOSITS AND BRING THE
AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA
HAS BEEN PROPERLY STABILIZED.
SILT FENCE DETAIL
SCALE: NONE
.., ...,. r 4' MAX.
WIRE FENCING
(IF APPLICABL
WOVEN FILTER FASMC
VATER ENTRY UNIT GENERAL NOTES:
VITH TRASH SCREEN
1. PROPER DESIGN MUST BE COMPLETED TO MINIMIZE PIPING AROUND DISCHARGE
PIPE.
2. PROPER ORIFICE OPENING MUST BE SELECTED TO ENSURE POND DRAINS IN
CORRECT AMOUNT OF TIME. MODIFICATIONS MAY BE REQUIRED IF FIELD
CONDITIONS WARRANT A CHANGE.
3. EMBANKMENT MUST BE COMPACTED TO DESIGN SPECIFICATIONS.
4. EMERGENCY SPILLWAY MUST BE CORRECTLY SIZED AND EROSION PROTECTION
ORIFICE OPENING INSIDE THE INSTALLED.
HORIZONTAL TUBE WITH A 5. EROSION PROTECTION MUST BE INSTALLED ALONG THE EMBANKMENT AND AT THE
CONSTANT HYDRAULIC HEAD DISCHARGE END OF THE PIPE.
6. INSPECT SYSTEM REGULARLY TO ENSURE IT IS FUNCTIONING IN A CORRECT
MANNER.
7. EIGHT SIZES OF SKIMMERS ARE AVAILABLE, REFER TO THE FLOW SHEET, CUT
SHEET, AND INSTRUCTIONS ON WEB SITE FOR EACH SIZE.
SCHEDULE 40 PVC PIPE
OR ARM)
HOSE
EN EMBANKMENT
ERGENCY SPILLWAY PVC VENT
TOP VIEW SCHEDULE 40 PVC PIPE
(BARREL OR ARM)
PVC VENT PIPE 111=111
/ ,�_„ FLEXIBLE HOSE
END VIEW
POTENTIAL FOR PIPING CAN
OCCUR. PROPER DESIGN
TO MINIMIZE DISCHARGE
AROUND PIPE MUST OCCUR.
TER ENTRY UNIT
DISCHARGE F
SCHEDULE
FLOATING SKIMMER DETAIL
SCALE: NONE
GENERAL NOTES.-
1. SEDIMENT FILTER OUTLET SHALL BE 15 INCHES HIGH BUT NO TALLER TFm 18 fNCHES.
2. CLASS 1 OR 2 RIP -RAP SHALL BE USED AND COVERED ► IT`H � INCHES OF NCDOT 15 OR
#57 WASHED STONE ON THE UPSLOPE SINE.
3. POSTS SHALL BE NO MORE THAN 4 FEET APART.
4. SITE OUTLETS AT ANY POINT SMALL CONCEWRATED FLOWS ARE ANTICIPATED AND AT THE
DIRECTION OF THE INSPECTOR.
5. ONE ACRE MAXIMUM DRAJNAGE AREA PER OUTLET.
STONE OUTLET @ SILT FENCE
SCALE: NONE
CUwSS 1 OR 2
RrP-W
SIDE VIEW MAINTAIN DEPRESSION TO
MINIMIZE CHANCE OF
(NO SCALE) SKIMMER BECOMING STUCK
r STEEL POST
WASHED STONE
(NCDOT #5 OR #57)
FLOW
MAINTERANCE NOTES:
1. FILTER OUTLETS SHALL BE INSPECTED BY THE FINANCA LL.Y RESPONSIBLE PARTY OR
HIS AGENT IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING
PROLONGED RAINFALL. ANY REPAIRS NEEDED SHALL BE MADE IMMEDIATELY.
2. THE STONE SHALL BE REPLACED PROMPTLY AFTER ANY EVENT THAT HAS CLOGGED
OR REMOVER Lf.
3. SEDIMENT DEPOSrTS SHOULD BE REMOVED WHEN ❑EPOSFfS REACH FIMF THE HEIGFR
OF THE BARRIER. ANY SEDIMENT DEPOSIM REMAINING IN PLACE AFtER THE SILT
FENCE OUTLET IS REMOVED SHALL BE DRESSED TO CONFORM TO THE EXISTING
GRRI E. PREPARED AND SEEDED.
T
L=1.4xDEPTH
TO THE OVERFLOW
MINIMUM LENGTH APPLIES
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