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Excellence rhronph Service
Single -Family Dwelling
Erosion Control P e r m i t Application
W1n 111n, Hi m
City of Winston-Salem
Bryce A. Stuart Municipal Building
Suite 328
100 E. First Street
Winston-Salem, NC 27101
Field P.O. Box 2511
Operations Winston-Salem, NC 27102-2511
Please use this form when the er and
Builder are not the same Phone: 311 or (336) 747-7453 financially responsible party/person and will be less than one (1) acre of Fax: (336) 727-2792
land disturbance on any one (1) lot.
Lot(s) to be Developed Information
Site Address: 1011 Compass Rose - Lot 2, Lewisville, NC 27023
Subdivision Name: Woodview Estates
Anticipated Dates of Construction Activity: Start: Febri lard 223Completion: November 9093
*** Complete the LOT INFORMATION TABLE for each lot to be developed; ensure that the appropriate drainage pattern type is
denoted. Attach a corresponding, existing platted survey for each lot with your application, please. If not, your permit
application may not be accepted for review. ***
Financially Responsible Party/Person
Name: Black Rock Home Builders
Address: 9305 Concord Church Road
City/State/Zip: Lewisville, NC 27023 office Phone: 336-408-4455
Mobile Phone: Email Address: korey.smith@att.net
My signature hereto signifies I am the owner/financially responsible party for job site compliance with the Erosion Control Ordinance
as outlined in Chapter, Section 8.4 of the Unified Development Ordinances (UDO) of the City of Winston-Salem/Forsyth County or
Article IV of the UDO of the Village of Clemmons, Town of Lewisville, or Town of Walkertown. I hereby acknowledge that the Best
Management Practices annotated on the attached sketch plan must be properly installed and maintained to retain soil within the
constructed lot.
I understand that if the total disturbed area for any reason becomes greater than one acre on any one (1) lot, a professionally designed
and sealed Erosion Control Plan will be required to be submitted and approved before the start of the land disturbing activity on the lot. I
further acknowledge that City Inspection's staff may refuse to make building inspections and the Erosion Control Division may issue
Notices of Violation, Stop Work Orders and/or Civil Penalty Assessments for failure to comply with Erosion Control requirements.
Korey Smith
Print Name of Financially Responsible Person
TO BE COMPLETED BY CITY STAFF ONLY:
Date of Application Submittal:
Permit Number:
GX9qJ I
Signature of Financially Responsible Person
ow
aofttw
TIOW
Date: 2-3-23
PAGE 1
WINSTON-SALEM/FORSYTH COUNTY STANDARD SEDIMENT AND
EROSION CONTROL PLAN FOR SMALL RESIDENTIAL LOTS
TABLE OF CONTENTS
1. Title Sheet
2. Lot Information Table
3. Typical Individual Lot Layout With
Curb and Gutter
4. Typical Individual Lot Layout With
Roadside Ditches
5. NCG-01 Self -Inspection
6. NCG-01 Ground Cover & Material
Handling
7. Temporary Seeding
Recommendations
8. Permanent Seeding
Recommendations
9. Construction Entrance/Exit
10. Inlet Protection
11. Rolled Erosion Control Products
(RECP)
12. Silt Fence
13.Silt Fence Outlet
14. Silt Sock/Wattle For Check Dams
15. Silt Sock/Wattle For Perimeter and
Inlet Protection
Page
1
2
3
4
5
6
G
y
10
11
12
13
14
15
RWVJC r-3,T
- 4
.
3
ON
i II f.g
PROJECT NAME: 10 11 Rese _ Lst :2
PROJECT NUMBER:
DATE OF APPROVAL:
NOTE - FOR ANY PERFORMANCE RESERVATIONS REGARDING THE SEDIMENT CONTROL PLAN (PERFORMANCE
BASED) OR CRITICAL AREAS, A FIELD REVISION OR A CUSTOM PLAN MAY BE REQUIRED
NOTES AND APPLICABILITY TO LOT DEVELOPMENT
1. This plan is for lots with an Individual disturbed area of 1.00 acre or less for
individual single family dwellings.
A vicinity map showing the boundaries of the project and access to the site is to
2. either be shown on this standard plan or to accompany this standard plan.
A subdivision plat or plan showing numbered lots and the Limits of Disturbance
3. (LoD) is to accompany this standard plan. The LoD includes lots, access to
measures, staging areas, and utilities that may extend off -site.
4. Lots are "Finished", or at final grade. Mass grading with full stabilization has already
occurred or mass grading is not to occur.
5. The property does not contain nor have jurisdictional waters within 100 feet of the
lots.
6. The site is not located in a High Quality Water Zone.
7. No discharges are allowed into impaired waters.
8. On -site vehicle or equipment washing is not allowed.
9. This site involves no off -site material storage, waste disposal, or borrow areas.
10. All disturbed areas not built upon shall be provided with permanent ground cover.
11. As of April 1, 2019, applicant must apply on-line at deq.nc.gov/NCG01 for the
NCG01 permit, if applicable.
12. The Approval Authority reserves the right to require a site -specific erosion control
plan to be prepared and submitted for the 15 day review cycle.
GENERAL CONSTRUCTION SEQUENCE FOR SMALL
RESIDENTIAL LOT EROSION AND SEDIMENT CONTROL
1. Prior to the start of construction, contact the Erosion Control Division to schedule
an on -site preconstruction meeting with the Erosion Control Inspector.
2. Install construction entrances(s).
3. Install check dams and/or erosion control blankets in roadside ditch, where exists.
4. Install yard inlet protection and perimeter controls (silt fence, silt fence outlets, etc.)
according to the plan. For contiguous lots with different builders or land owners, it is
suggested that each builder/owner install their own silt fence along the shared parcel
boundary. If silt fence is not required along the front of the lot due to the drainage
layout, the builder must provide a measure to limit access through the construction
entrance. Ensure inlets downgrade of disturbances are protected from siltation.
5. Proceed with individual lot construction.
6. Maintain erosion and sedimentation controls during construction.
7. Provide for ground stabilization after completion of any phase of grading in
accordance with the NPDES timeframes table. Persons responsible for land
disturbing activities are responsible for phased inspections to ensure the approved
erosion and sedimentation control plan is being followed. All erosion control
measures shall be inspected at least once per week and after each storm event of
1.0 inches or more in a 24-hour period. The self -inspection report, as well as
instructions for the self -inspection program, can be found at deq.nc.gov/NCG01.
8. Remove any temporary driveway pipe and temporary construction entrance
immediately prior to constructing permanent driveway.
9. Once construction is complete and all areas are stabilized, remove any remaining
erosion or sedimentation controls and stabilize any areas disturbed by their removal.
10. Once the last approved lot is complete, notify the Erosion Control Division for
a close-out inspection.
'"nP�N" I STANDARD SEDIMENT & EROSION CONTROL PLAN
Date: Page 2
2-3-23
PLEASE COMPLETE ALL INFORMATION FOR EACH LOT TO BE DEVELOPED. ENTER THE DRAINAGE PATTERN TYPE (A, B, C, D, E, F, G OR H) AS WELL AS `RD' FOR ROAD DITCH OR `CG' FOR CURB AND GUTTER IN THE APPROPRIATE FIELD.
PARCEL NUMBER
LOT NUMBER
DISTURBED AREA (ACRE)
TOTAL LOT SIZE (ACRE)
DRAINAGE PATTERN TYPE
SPECIAL NOTES
5875-70-6024
Lot 2
.40 acre
.56 acre
B CG
INS.P1SiI.„NS
LOT INFORMATION TABLE (ADD TABLE(S) IF NECESSARY)
Date
R/W
R/W
'hR+4 Sd171
"A" "B" C
HOUSE II HOUSE II HOUSE
im
HOUSE I,�_==
ROADWAY ROADWAY ROADWAY ROADWAY
CURB INLET EDGE OF CURB
I UMD IIVLC I
OF CURB
LEGEND:
FLOW DIRECTION
SILT FENCE
SILT FENCE OUTLET
CONSTRUCTION ENTRANCE
CURB INLET
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.
0141SIONINSP`�ioNs TYPICAL INDIVIDUAL LOT LAYOUT WITH CURB AND GUTTER
Page 3
Date:
Notes:
Page 4
2-3-23
1.
If needed, Tree Protection fencing should
"A"
°B°
„c„
°D°
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.
11
=4
2.
Install Silt Fence on the low elevation
sides of each lot. Install Silt Fence outlets
II
II
HOUSE
,f1�
II
II
II
lY
HOUSE
II
VY
HOUSE
HOUSE
shown on schematic/diagram and field
adjusted, if necessary, for placement at
low points. If lots are contiguous and have
R/W
different land owners or builders, each lot
u
should have individual Silt Fences.
EOP
TD�TD D
TD��TD
D
D��TD
TD
Df—T TD
3.
Install required Silt Fence within 10 feet of
property line to ensure there is no conflict
with septic system. It is the responsibility
°E°
F°
°G°
"H°
of the builder to ensure the installation of
sediment control measures does not
SM
I
F
impact the septic system and repair
K\\
//31 //n
area(s).
4.
At least one Construction Entrance/Exit is
/R
to be installed per lot.
�[
77�
//
HOUSE
Waste bins and other areas dedicated for
HOUSE
\\
HOUSE
managing building material waste shall be
4HOUSE5.
at least 50 feet away from storm drain
inlets or drainage ditches unless it can be
R/W
shown that no other alternative exists. If
EOP
TD TD
TD
D
TD TD
TD
this separation cannot be achieved, these
areas must be contained behind Silt
LEGEND:
Fence.
6.
Inlets downstream of disturbances should
FLOW DIRECTION
be protected; streets should be swept
SILT FENCE
when sediment from the construction
DIVERSION DITCH
—TD—TD
activity is present.
7.
Details for Silt Fence, Silt Fence Outlets,
WADDLE/ SILT SOCKS
Construction Entrances and other
SILT FENCE OUTLET
IRE
measures are provided on additional
CONSTRUCTION ENTRANCE
sheets. Erosion and sediment control
details are not drawn to scale.
INSPECilO = TYPICAL INDIVIDUAL LOT LAYOUT WITH ROADSIDE DITCHES
DIVISION ,�1�
Page 5
Date:
2-3-23
PART II, SECTION G, ITEM (4)
DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT
Sediment basins and traps that receive runoff from drainage areas of one acre or more shall use outlet structures that withdraw water from the surface when these devices need to be drawn down for maintenance or close out unless this is infeasible. The circumstances in which it is not
feasible to withdraw water from the surface shall be rare (for example, times with extended cold weather). Non -surface withdrawals from sediment basins shall be allowed only when all of the following criteria have been met:
(a) The E&SC plan authority has been provided with documentation of the non -surface withdrawal and the specific time periods or conditions in which it will occur. The non -surface withdrawal shall not commence until the E&SC plan authority has approved these items,
(b) The non -surface withdrawal has been reported as an anticipated bypass in accordance with Part III, Section C, Item (2)(c) and (d) of this permit,
(c) Dewatering discharges are treated with controls to minimize discharges of pollutants from stormwater that is removed from the sediment basin. Examples of appropriate controls include properly sited, designed and maintained dewatering tanks, weir tanks, and filtration system
(d) Vegetated, upland areas of the sites or a properly designed stone pad is used to the extent feasible at the outlet of the dewatering treatment devices described in Item (c) above,
(e) Velocity dissipation devices such as check dams, sediment traps, and riprap are provided at the discharge points of all dewatering devices, and
(f) Sediment removed from the dewatering treatment devices described in Item (c) above is disposed of in a manner that does not cause deposition of sediment into waters of the United States.
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION A: SELF -INSPECTION
Self -inspections are required during normal business hours in accordance with the table
below. When adverse weather or site conditions would cause the safety of the inspection
personnel to be in jeopardy, the inspection may be delayed until the next business day on
which it is safe to perform the inspection. In addition, when a storm event of equal to or
greater than 1.0 inch occurs outside of normal business hours, the self -inspection shall be
performed upon the commencement of the next business day. Any time when inspections
were delayed shall be noted in the Inspection Record.
Inspect
Frequency
Inspection records must include:
(during normal
business hours
(1) Rain gauge
Daily
Daily rainfall amounts.
maintained in
If no daily rain gauge observations are made during weekend
good working
on holiday periods, and no individual -day rainfall information is
order
available, record the cumulative rain measurement for those
unattended days (this will determine if a site inspection is
needed). Days on which no rainfall occurred shall be recorded
as "Zero." The permittee may use another rain -monitoring
device approved by the Division.
(2) E&SC
At least once per 7
1. Identification of the measures inspected
Measures
calendar days and
2. Date and Time of the inspection
within 24 hours of
3. Name of the person performing the inspection
a rain event >_ 1.0
4. Indication of whether the measures were operating properly
inch in 24 hours.
5. Description of maintenance needs for the measure
6. Description, Evidence, and date of corrective actions taken
(3) Stormwater
At least once per 7
1. Identification of the discharge outfalls inspected
discharge
calendar days and
2. Date and Time of the inspection
outfalls(SDOs)
within 24 hours of
3. Name of the person performing the inspection
a rain event >_ 1.0
4. Evidence of indicators of stormwater pollution such as oil
inch in 24 hours.
sheen, floating or suspended solids or discoloration
5. Indication of visible sediment leaving the site
6. Description, Evidence, and date corrective actions taken
(4) Perimeter
At least once per 7
If visible Sedimentation is found outside site limits, then record
of Site
calendar days and
of the following shall be made:
within 24 hours of
1) Actions taken to clean up or stabilize sediment that has left
a rain event >_ 1.0
the site limits
inch in 24 hours.
2) Description, Evidence and date of corrective actions taken
3) An explanation as to the actions taken to control future
releases
(5) Streams or
At least once per 7
If the stream or wetland has increased visible sedimentation or
wetlands
calendar days and
has visible increased turbidity from the construction activity, then
onsite or
within 24 hours of
a record of the following shall be made:
offsite (where
a rain event >_ 1.0
1) Description, Evidence and date of corrective actions taken
accessible)
inch in 24 hours.
2)Records of required reports to the appropriate Division
Regional Office per Part III, Section C, Item(2)(a) of this permit
(6) Ground
After each phase
1. The phase of grading (installation of perimeter E&SC
Stabilization
of grading.
measures, clearing and grubbing, installation of storm
Measures
drainage facilities, completion of all land -disturbing activity,
construction or redevelopment, permanent ground cover).
2. Documentation that the required ground stabilization
measures have been provided within the required timeframe
or assurance that they will be provided as soon as possible.
NOTE: The rain inspection resets the required 7 calendar day inspection requirement.
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION B: RECORDKEEPING
1. E&SC Plan Documentation
The approved E&SC plan as well as any approved deviation shall be kept on the site. The
approved E&SC plan must be kept up-to-date throughout the coverage under this permit. The
following items pertaining to the E&SC plan shall be kept on site and available for inspection at
all times during normal business hours.
Item to Document
Document Requirements
Initial and date each E&SC measure on a copy of
(a) Each E&SC measure has been installed and
the approved E&SC plan or complete, date and
does not significantly deviate from the locations,
sign an inspection report that lists each
dimensions and relative elevations shown on the
measure shown on the approved plaan.n. This
approved E&SC plan.
documentation is required upoonn the initial
installation of the E&SC measures are modified
after initial installation.
(b) A phase of grading has been completed.
Initial and date a copy of the approved E&SC plan
or complete, date and sign an inspection report to
indicate completion of the construction phase.
(c) Ground cover is located and installed in
Initial and date a copy of the approved E&SC plan
accordance with the approved E&SC plan.
or complete, date and sign an inspection report to
indicate compliance with approved ground cover
specifications.
(d) The maintenance and repair requirements for
Complete, date and sign an inspection report.
all E&SC measures have been performed.
(e) Corrective actions have been taken to E&SC
Initial and date a copy of the approved E&SC plan
measures.
or complete, date and sign an inspection report to
indicate the completion of the corrective action.
2. Additional Documentation to be Kept on Site
In addition to the E&SC plan documents above, the following items shall be kept on the
site and available for inspectors at all times during normal business hours, unless the
Division provides a site -specific exemption based on unique site conditions that make
this requirement not practical:
(a) This General Permit as well as the Certificate of Coverage, after it is received.
(b) Records of inspections made during the previous twelve months. The permittee shall
record the required observations on the Inspection Record Form provided by the Division
or a similar inspection form that includes all the required elements. Use of
electronically -available records in lieu of the required paper copies will be allowed if
shown to provide equal access and utility as the hard -copy records.
Documentation to be Retained for Three Years
All data used to complete the a-NOI and all inspection records shall be maintained for a period
of three years after project completion and made available upon request. [40 CFR 122.41 ]
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION C: REPORTING
1. Occurrences that Must be Reported
Permittees shall report the following occurrences:
(a) Visible sediment deposition in a stream or wetland.
(b) Oil spills if:
They are 25 gallons or more,
They are less than 25 gallons but cannot be cleaned up within 24 hours,
They cause sheen on surface waters (regardless of volume), or
They are within 100 feet of surface waters (regardless of volume).
(c) Releases of hazardous substances in excess of reportable quantities under Section 311
of the Clean Water Act (Ref: 40 CFR 110.3 and 40 CFR 117.3) or Section 102 of CERCLA
(Ref: 40 CFR 302.4) or G.S. 143-215.85.
(d) Anticipated bypasses and unanticipated bypasses.
(e) Noncompliance with the conditions of this permit that may endanger health or the
environment.
2. Reporting Timeframes and Other Requirements
After a permittee becomes aware of an occurrence that must be reported, he shall contact the
appropriate Division regional office within the timeframes and in accordance with the other
requirements listed below. Occurrences outside normal business hours may also be reported
to the Department's Environmental Emergency Center personnel at (800) 858-0368.
Occurrence
Reporting Timeframe (After Discovery) and Other Requirements
(a) Visible
• Within 24 hours, an oral or electronic notification.
sediment
• Within 7 Calendar Days, a report that contains a description of the
deposition in a
sediment and actions taken to address the cause of the deposition.
stream or wetland
Division staff may waive the requirement for a written report on a case -
by -case basis.
• If the stream is named on the NC 303(d) list as impaired for sediment -
related caused, the permittee may be required to perform additional
monitoring, inspections or apply more stringent practices if staff
determine that additional requirements are needed to assure
compliance with the federal or state impaired -waters conditions.
(b) Oil spills and
• Within 24 Hours, an oral or electronic notification. The notification shall
release of
include information about the date, time, nature, volume and location
hazardous
of the spill or release.
substances per
item 1(b)-(c) above
(c) Anticipated
• A report at least ten days before the date of the bypass, if possible.
bypasses [40 CFR
The report shall include an evaluation of the anticipated quality and
122.41(m)(3)]
effect of the bypass.
(d) Unanticipated
• Within 24 Hours, an oral or electronic notification
bypasses [40 CFR
• Within 7 calendar days, a report that includes an evaluation of the
122.41(m)(3)]
quality and effect of the bypass.
(e) Noncompliance
• Within 24 Hours, an oral or electronic notification
with the conditions
• Within 7 calendar days, a report that contains a description of the
of this permit that
noncompliance, and its causes; the period of noncompliance, including
may endanger
exact dates and times, and if the noncompliance has not been
health or the
corrected, the anticipated time noncompliance is expected to continue;
environment [40
and steps taken or planned to reduce, eliminate and prevent
CFR 122.41(1)(7)]
reoccurrence of the noncompliance. [40 CFR 122.41(1)(6).
• Division staff may waive the requirement for a written report on a case -
by -case basis.
NCG-01 SELF INSPECTION
Date
2-3-23
GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE
WITH THE NCG01 CONSTRUCTION GENERAL PERMIT
Implementing the details and specifications on this plan sheet will result in the construction
activity being considered compliant with the Ground Stabilization and Materials Handling
sections of the NCG01 Construction General Permit (Sections E and F, respectively). The
permittee shall comply with the Erosion and Sediment Control plan approved by the delegated
authority having jurisdiction. All details and specifications shown on this sheet may not apply
depending on site conditions and the delegated authority having jurisdiction.
SECTION E: GROUND STABILIZATION
Required Ground Stabilization Timeframes
Stabilize within
Site Area Description
this many calendar
Timeframe variations
days after ceasing
land disturbance
(a) Perimeter dikes,
swales, ditches, and
7
None
perimeter slopes
(b) High Quality Water
7
None
(HQW) Zones
(c) Slopes steeper
If slopes are 10 feet or less in length and
than 3:1
7
are not steeper than 2:1, 14 days are
allowed
-7 days for slopes greater than 50' in
length and with slopes steeper than 4:1
-7 days for perimeter dikes, swales,
(d) Slopes 3:1 to 4:1
14
ditches, perimeter slopes and HQW
Zones
-10 days for Falls Lake Watershed
-7 days for perimeter dikes, swales, ditches
(e) Areas with slopes
perimeter slopes and HQW Zones
flatter than 4:1
14
-10 days for Falls Lake Watershed unless
there is zero slope
Note: After the permanent cessation of construction activities, any areas with temporary
ground stabilization shall be converted to permanent ground stabilization as soon as
practicable but in no case longer than 90 calendar days after the last land disturbing activity.
Temporary ground stabilization shall be maintained in a manner to render the surface stable
against accelerated erosion until permanent ground stabilization is achieved.
GROUND STABILIZATION SPECIFICATION
Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the
techniques in the table below:
Temporary Stabilization
Permanent Stabilization
Temporary grass seed covered with straw or
Permanent grass seed covered with straw
other mulches and tackifiers.
or other mulches and tackifiers
Hydroseeding
Geotextile fabrics such as permanent soil
Rolled erosion control products with or
reinforcement matting
without temporary grass seed
Hydroseeding
Appropriately applied straw or other mulch
Shrubs or other permanent plantings
Plastic sheeting
covered with mulch
Uniform and evenly distributed ground cover
sufficient to restrain erosion
Structural methods such as concrete,
asphalt or retaining walls
Rolled erosion control products with grass
seed
POLYACRYLAMIDES (PAMS) AND FLOCCULANTS
1. Select flocculants that are appropriate for the soils being exposed during construction,
selecting from the NC DWR List of Approved PAMS/Flocculants.
2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures.
3. Apply flocculants at the concentrations specified in the NC DWR List of Approved
PAMS/Flocculants and in accordance with the manufacturer's instructions.
4. Provide ponding area for containment of treated Stormwater before discharging offsite.
5. Store flocculants in leak -proof containers that are kept under storm -resistant cover or
surrounded by secondary containment structures.
EQUIPMENT AND VEHICLE MAINTENANCE
1. Maintain vehicles and equipment to prevent discharge of fluids.
2. Provide drip pans under any stored equipment.
3. Identify leaks and repair as soon as feasible, or remove leaking equipment from the
project.
4. Collect all spent fluids, store in separate containers and properly dispose as hazardous
waste (recycle when possible).
5. Remove leaking vehicles and construction equipment from service until the problem
has been corrected.
6. Bring used fuels, lubricants, coolants, hydraulic fluids and other petroleum products to
a recycling or disposal center that handles these materials.
LITTER. BUILDING MATERIAL AND LAND CLEARING WASTE
1. Never bury or burn waste. Place litter and debris in approved waste containers.
2. Provide a sufficient number and size of waste containers (e.g dumpster, trash
receptacle) on site to contain construction and domestic wastes.
3. Locate waste containers at least 50 feet away from storm drain inlets and surface waters
unless no other alternatives are reasonably available.
4. Locate waste containers on areas that do not receive substantial amounts of runoff from
upland areas and does not drain directly to a storm drain, stream or wetland.
5. Cover waste containers at the end of each workday and before storm events or provide
secondary containment. Repair or replace damaged waste containers.
6. Anchor all lightweight items in waste containers during times of high winds.
7. Empty waste containers as needed to prevent overflow. Clean up immediately if
containers overflow.
8. Dispose waste off -site at an approved disposal facility.
9. On business days, clean up and dispose of waste in designated waste containers.
PAINT AND OTHER LIQUID WASTE
1. Do not dump paint and other liquid waste into storm drains, streams or wetlands.
2. Locate paint washouts at least 50 feet away from storm drain inlets and surface waters
unless no other alternatives are reasonably available.
3. Contain liquid wastes in a controlled area.
4. Containment must be labeled, sized and placed appropriately for the needs of site.
5. Prevent the discharge of soaps, solvents, detergents and other liquid wastes from
construction sites.
PORTABLE TOILETS
1. Install portable toilets on level ground, at least 50 feet away from storm drains, streams
or wetlands unless there is no alternative reasonably available. If 50 foot offset is not
attainable, provide relocation of portable toilet behind silt fence or place on a gravel pad
and surround with sand bags.
2. Provide staking or anchoring of portable toilets during periods of high winds or in high
foot traffic areas.
3. Monitor portable toilets for leaking and properly dispose of any leaked material. Utilize a
licensed sanitary waste hauler to remove leaking portable toilets and replace with
properly operating unit.
EARTHEN STOCKPILE MANAGEMENT
1. Show stockpile locations on plans. Locate earthen -material stockpile areas at least 50
feet away from storm drain inlets, sediment basins, perimeter sediment controls and
surface waters unless it can be shown no other alternatives are reasonably available.
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of five
feet from the toe of stockpile.
3. Provide stable stone access point when feasible.
4. Stabilize stockpile within the timeframes provided on this sheet and in accordance with
the approved plan and any additional requirements. Soil stabilization is defined as
vegetative, physical or chemical coverage techniques that will restrain accelerated
erosion on disturbed soils for temporary or permanent control needs.
HAZARDOUS AND TOXIC WASTE
1. Create designated hazardous waste collection areas on -site.
2. Place hazardous waste containers under cover or in secondary containment.
3. Do not store hazardous chemicals, drums or bagged materials directly on the ground.
ONSITE CONCRETE WASHOUT
STRUCTURE WITH LINER
A PLASTIC NOTES:
LINING 1. ACTUAL LOCATION DETERMINED
O O O 0 1:1 IN FIELD
SILT SIDE SLOP SANDBAGS (TYP.)
0 0 FENCE (TYP.) OR STAPLES 2. THE CONCRETE WASHOUT
O O STRUCTURES SHALL BE
MAINTAINED WHEN THE LIQUID
0 0 3-D AND/OR SOLID REACHES 75% OF
.IN. THE STRUCTURES CAPACITY.
0 O O 0 SANDBAGS (TYP.) &X'
A OR STAPLES MAX 3.CONCRETE WASHOUT
STRUCTURE NEEDS TO BE CLEARY
SECTION A -A BELOW GRADE WASHOUT STRUCTURE MARKED WITH SIGNAGE NOTING
Nor ro SCn DEVICE.
SECTION B-B
CLEARLY MARKED
CONCRETE SIGNAGE
WASHOUT NOTING DEVICE NOTES:
(18"X24" MIN.) 1. ACTUAL LOCATION DETERMINED
IN FIELD
SANDBAGS (TYP.)
10MIL OR STAPLES
PLASTIC LI4X'MAX
VE &
RM TION
MIN
)BAGS (TYP.)
OR STAPLES
ABOVE GRADE WASHOUT STRUCTURE
CONCRETE WASHOUTS
2. THE CONCRETE WASHOUT
STRUCTURES SHALL BE MAINTAINED
WHEN THE LIQUID AND/OR SOLID
REACHES 75% OF THE STRUCTURES
CAPACITY TO PROVIDE ADEQUATE
HOLDING CAPACITY WITH A MINIMUM
12 INCHES OF FREEBOARD.
&CONCRETE WASHOUT STRUCTURE
NEEDS TO BE CLEARY MARKED WITH
SIGNAGE NOTING DEVICE.
1. Do not discharge concrete or cement slurry from the site.
2. Dispose of, or recycle settled, hardened concrete residue in accordance with local and
state solid waste regulations and at an approved facility.
3. Manage washout from mortar mixers in accordance with the above item and in addition
place the mixer and associated materials on impervious barrier and within lot perimeter
silt fence.
4. Install temporary concrete washouts per local requirements, where applicable. If an
alternate method or product is to be used, contact your approval authority for review
and approval. If local standard details are not available, use one of the two types of
temporary concrete washouts provided on this detail.
5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk
sections. Stormwater accumulated within the washout may not be pumped into or
discharged to the storm drain system or receiving surface waters. Liquid waste must be
pumped out and removed from project.
6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it
can be shown that no other alternatives are reasonably available. At a minimum, install
protection of storm drain inlet(s) closest to the washout which could receive spills or
overflow.
7. Locate washouts in an easily accessible area, on level ground and install a stone
entrance pad in front of the washout. Additional controls may be required by the
approving authority.
8. Install at least one sign directing concrete trucks to the washout within the project limits.
Post signage on the washout itself to identify this location.
9. Remove leavings from the washout when at approximately 75% capacity to limit
overflow events. Replace the tarp, sand bags or other temporary structural
components when no longer functional. When utilizing alternative or proprietary
products, follow manufacturer's instructions.
10. At the completion of the concrete work, remove remaining leavings and dispose of in an
approved disposal facility. Fill pit, if applicable, and stabilize any disturbance caused by
removal of washout.
HERBICIDES, PESTICIDES AND RODENTICIDES
1. Store and apply herbicides, pesticides and rodenticides in accordance with label
restrictions.
2. Store herbicides, pesticides and rodenticides in their original containers with the label,
which lists directions for use, ingredients and first aid steps in case of accidental
poisoning.
3. Do not store herbicides, pesticides and rodenticides in areas where flooding is possible
or where they may spill or leak into wells, stormwater drains, ground water or surface
water. If a spill occurs, clean area immediately.
4. Do not stockpile these materials onsite.
Page 6
IxSPE QES NCG-01 GROUND COVER & MATERIALS HANDLING
oEvlslox
Date:
Page 7
2-3-23
TEMPORARY SEEDING RECOMMENDATIONS
FOR LATE WINTER AND EARLY SPRING
Seeding Mixture
Species
Rate (lb/acre)
Rye (grain) 120
Annual lespedeza (Kobe in 50
Piedmont and Coastal Plain,
Korean in Mountains)
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
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 RECOMMENDATIONS FOR SUMMER
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
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.
SEED BED PREPARATION:
TEMPORARY SEEDING RECOMMENDATIONS FOR FALL
Seeding Mixture
Species
Rye (grain)
Rate (lb/acre)
120
Seeding Dates
Mountains —Aug. 15 - Dec. 15
Coastal Plain and Piedmont —Aug. 15 - Dec. 31
1►yimmll
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 extend 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.
LIMING- Apply lime according to soil test recommendations. If the pH (acidity) of the soil is not known, an application of ground agricultural limestone at the rate of 1-1 2
tons/acre on coarse -textured soils and 2-3 tons/acre on fine -textured soils is usually sufficient. Apply limestone uniformly and incorporate into the top 4-6 inches of soil.
Soils with a pH of 6 or higher need not be limed.
FERTILIZER- Base application rates on soil tests. When these are not possible, apply a 10-10-10 grade fertilizer at 700-1,000 lb/acre. Both fertilizer and lime should be
incorporated into the top 4-6 inches of soil. If a hydraulic seeder is used, do not mix seed and fertilizer more than 30 minutes before application.
SURFACE ROUGHENING- If recent tillage operations have resulted in a loose surface additional roughening may not be required, except to break up large clods. If rainfall
causes the surface to become sealed or crusted, loosen it just prior to seeding by raking, harrowing, or other suitable methods for fine grading. The finished grade shall
be a smooth even soil surface with a loosen uniformly fine texture. All ridges and depressions shall be removed and filled to provide the approved surface drainage.
Planting is to be done immediately after finished grades are obtained and seedbed preparation is completed.
Ns TEMPORARY SEEDING RECOMMENDATIONS
Date:
Page 8
2-3-23
NON-INVASIVE PERMANENT SEEDING RECOMMENDATIONS
FOR LATE WINTER AND EARLY SPRING
SEEDING MIXTURE
Species
Centipede
Indian Woodoats
Virginia Wild Rye
Rate
5 Ibs/acre
1.5-2.5 Ibs/acre*
4-6 Ibs/acre*
*Depending upon mix with other species. See table 6.11.d
from Chapter 6 of the NC Erosion and Sediment Control
Planning and Design Manual.
Seeding Dates
Coastal or Eastern Piedmont for Centipede- Sept. 1 - May 1
Coastal and Piedmont for Indian Woodoats and Virginia
Wild Rye- Feb 15 - April 1
Mountains for Indian Woodoats and Virginia Wild Rye -
March 1 - May 15
Maintenance:
Significant maintenance may be required to obtain desired
cover once centipede is planted. Acceptable for sodding.
NON-INVASIVE PERMANENT SEEDING
RECOMMENDATIONS FOR SUMMER
SEEDING MIXTURE
Species Rate
Indian Woodoats 1.5-2.5 Ibs/acre*
Virginia Wild Rye 4-6 Ibs/acre*
*Depending upon mix with other species.
See table 6.11.d from Chapter 6 of the NC
Erosion and Sediment Control Planning
and Design Manual.
Seeding Dates
Mountains - July 15- Aug 15
Piedmont - Aug 15 - Oct 15
Maintenance:
Indian Woodoats and Virginia Wild Rye
are both sun and shade tolerant.
SEED BED PREPARATION:
NON-INVASIVE PERMANENT SEEDING
RECOMMENDATIONS FOR FALL
SEEDING MIXTURE
Species
Hard Fescue
Switchgrass
Indian Grass
Big Bluestem
Indian Woodoats
Virginia Wild Rye
Rate
15 Ibs/acre
2.5-3.5 Ibs/acre*
5-7 Ibs/acre*
5-7 Ibs/acre*
1.5-2.5 Ibs/acre*
4-6 Ibs/acre*
*Depending upon mix with other species. See table 6.11.d from
Chapter 6 of the NC Erosion and Sediment Control Planning and
Design Manual.
Seeding Dates
Mountains - Hard Fescue- Aug 1 - June 1
Mountains- Switchgrass, Indian Grass, Big Bluestem- Dec 1 - April 15
Piedmont and Coastal- Switchgrass, Indian Grass, Big Bluestem-
Dec 1 - April 1
Coastal- Indian Woodoats and Virginia Wild Rye- Sept 1 - Nov 1
Maintenance:
Hard Fescue is not recommended for slopes > 5%. Prefers shade.
LIMING- Apply lime according to soil test recommendations. If the pH (acidity) of the soil is not known, an application of ground agricultural limestone at the rate of 1 to 1 2 tons/acre on coarse -textured
soils and 2-3 tons/acre on fine -textured soils is usually sufficient. Apply limestone uniformly and incorporate into the top 4-6 inches of soil. Soils with a pH of 6 or higher need not be limed.
FERTILIZER- Base application rates on soil tests. When these are not possible, apply a 10-10-10 grade fertilizer at 700-1,000 lb/acre. Both fertilizer and lime should be incorporated into the top 4-6
inches of soil. If a hydraulic seeder is used, do not mix seed and fertilizer more than 30 minutes before application.
SURFACE ROUGHENING- If recent tillage operations have resulted in a loose surface additional roughening may not be required, except to break up large clods. If rainfall causes the surface to
become sealed or crusted, loosen it just prior to seeding by raking, harrowing, or other suitable methods for fine grading. The finished grade shall be a smooth even soil surface with a loosen
uniformly fine texture. All ridges and depressions shall be removed and filled to provide the approved surface drainage. Planting is to be done immediately after finished grades are obtained and
seedbed preparation is completed.
NOTES:
1. Permanent seeding, sodding or other means of stabilization are required when all construction work is completed according to the NPDES timeframe's table.
2. A North Carolina Department of Agriculture soils test (or equal) is highly recommended to be obtained for all areas to be seeded, sprigged, sodded or planted.
3. Use a seeding mix that will produce fast growing nurse crops and includes non-invasive species that will eventually provide a permanent groundcover. Soil blankets may be used in lieu of nurse
crops. Mat, tack or crimp mulch, as needed to stabilize seeded areas until root establishment. Mulch must be applied uniformly over the soil with a cover density of at least 80%.
4. Ground cover shall be maintained until permanent vegetation is established and stable against accelerated erosion.
PERMANENT SEEDING RECOMMENDATIONS
Date
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.
'n-\
i"oivisiELM 5
:09/28/2021
So,��n o
r to From Of
yO4Se
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.
CONSTRUCTION ENTRANCE / EXIT
Page 9
Date
2-3-23
Page 10
NCDOT #5 Of
WASHED ST,
u
19-GAUGE HARDWARE CLOTH
Q1 MESH OPENINGS)
NCDOT #5 OR #57
WASHED STONE
Construction:
1. Uniformly grade a shallow depression approaching the inlet.
2. Drive 5-foot steel posts 2 feet into the ground surrounding the inlet. Space
posts evenly around the perimeter of the inlet, a maximum of 4 feet apart.
3. Surround the posts with wire mesh hardware cloth. Secure the wire mesh to
the steel posts at the top, middle, and bottom. Placing a 2-foot flap of the
wire mesh under the gravel for anchoring is recommended.
4. Place clean gravel (NC DOT #5 or #57 stone) on a 2:1 slope with a height
of 16 inches around the wire, and smooth to an even grade.
5. Once the contributing drainage area has been stabilized, remove
accumulated sediment, and establish final grading elevations.
6. Compact the area properly and stabilize with groundcover.
Maintenance:
1. Inspect sediment fences at least once a week
and after each 1 inch or greater rainfall. Make
any required repairs immediately.
2. Clear the mesh wire of any debris or other
objects to provide adequate flow for subsequent
rains. Take care not to damage or undercut the
mesh during sediment removal.
3. Replace stone as needed.
INSPEC7 ¢NS
.� mrEsl¢x
FFECTIVE DATE: 09/28/2021
INLET PROTECTION
Date:
2-3-23
Stak
3'-5' inte
Initial channel anchor trench
3" Min. -
Overlap
is at 25'
Terminal slope and channel
anchor trench
6" Min.
Overlap
Staple Overlaps
Max. 5" spacing
Anchor 6"x6"
min. Trench
and staple at
12" intervals
Overlap Overcut channel 2" Longitudinal
6" Min. to allow bulking Anchor Trench
during seedbed
preparation
Intermittent check slot
Prepare soil and apply seed before
installing blankets, mats or other
temporary channel liner systems
Design
Typical installation
with erosion control
blankets or turf
reinforcement mats
Longitudinal anchor trench
Single -lap spliced ends or begin new
roll in an intermittent check slot
FLOW
4
Page 11
-------------- Bring material down to a level area,
turn the end under 4" and staple at
NOTES: 12" intervals.
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.
MAINTENANCE:
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
1. Inspect Rolled Erosion Control Products at least weekly and
and 6 inches wide.
after each rain of 1 inch or greater-, repair immediately.
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
2. Good contact with the ground must be maintained, and
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
erosion must not occur beneath the RECP.
the slope maintaining direct contact between the soil and RECP. Pin using staples or pins in a 3 feet center -to -center pattern.
3. Any areas of the RECP that are damaged or not in close
7.
11 gauge, at least 6 inch by 1 inch staples or 12 inch minimum length wooden stakes are recommended for anchoring.
contact with the ground shall be repaired and stapled.
8.
Grass -lined channels with design velocities exceeding 6 feet/second should include turf reinforcement mats
4. If erosion occurs due to poorly controlled drainage, the
9.
Check slots to be constructed per manufacturers specifications.
problem shall be fixed and the eroded area protected.
10.
Staking or stapling layout per manufacturers specification.
5. Monitor and repair the RECP as necessary until ground cover
11.
If there is a berm at the top of slope, anchor upslope of the berm.
is established.
12.
Do not stretch blankets/matting tight, allow the rolls to conform to any irregularities.
13.
For slopes less than 3H:1 V, rolls may be placed in horizontal strips.
11
IMSPEdYN
owisiox
ROLLED EROSION CONTROL PRODUCTS (RECP)
Date: ISteel Post-, I I I Page 12
2-3-23
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 feet post spacing does not require
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
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 cleanout.
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.
IMSP�OHS
muisiox
8' Max. Standard Strength fabric with wire fence 1
6' Max. Extra strength fabric without wire fence Wire Fence
Plastic or
Wire ties
/1
18-24"
8" down & 4"
411
forward along the
trench
Filter Fabric
Wire Fence �/--- Filter Fabric
Plastic or
Wire Backfill trench
and Compact
Steel Post thoroughly
U pslope
- *- I
8" Min.
24"
CROSS SECTION VIEW
SILT FENCE
Date
Page 13
2-3-23
TOP OF SILT FENCE
MUST BE AT LEAST 1'
ABOVE THE TOP OF
THE WASHED STONE
STEEL FENCE POST
WIRE FENCE
HARDWARE CLOTH
FILTER OF #57
WASHED STONE
BURY WIRE FENCE
AND HARDWARE CLOTH
SECTION VIEW
,a
4iU INSPecrloxs
nl `_:"i0'.I „DIVISION
4' MIN.
FRONT VIEW
STEEL FENCE POST
SET MAX Z APART
MIN. 18" INTO SOLID
GROUND
SILT FENCE
BURY WIRE FENCE,
FILTER FABRIC,
AND HARDWARE
CLOTH IN TRENCH
3' FILTER FABRIC
ON GROUND NOTES:
1. Hardware cloth and gravel should overlay the silt fence at least 12 inches.
2. Stone outlets should be placed on low elevation areas of silt fence and
based on field conditions.
MAINTENANCE:
1. Per NCG-01, inspect outlet at lest once a week and after each 1 inch
or greater rainfall event. Complete any required repairs immediately.
BURY 6" OF UPPER EDGE OF Freshen stone when sediment accumulation exceeds 6 inches. Keep
FILTER FABRIC IN TRENCH
mesh free of debris to provide adequate flow.
2. Remove sediment when half of stone outlet is covered.
3. Replace stone as needed to facilitate de -watering.
SILT FENCE OUTLET
STAKES
Date ANGLE STAKES TO WEDGE
MIN. 2 STAKES ON UPSLOPE MINIMUM 4 STAKES ON WATTLE ONTO GROUND
2-3-23 r D SLOPE MATTING
1 WATTLE ` /
MATTING ` I I ' —" '
-I1I�I�I-
V-DITCH SECTION VIEW
MIN. 2 STAKES ON UPSLOPE
GROUND
TRAPEZOIDAL DITCH
SECTION VIEW
STAKE INSTALLATION SILT SOCK/ WATTLE
CROSS—SECTION
MINIMUM 4 STAKES ON
DOWNSLOPE
Ditch Spacing For 12 Inch Silt SockNVattle
Channel Slope (%)
Space Between Silt Socks/ Wattles (Feet)
1
100
2
50
3
33
4
25
5
20
MAINTENANCE:
1. Inspect silt sock/wattle(s) weekly and after each 1 inch or
greater rain. Remove accumulated sediment and any debris.
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
complete and the area above the measure is permanently
stabilized.
,.,
J INSPecrloxs
DIYISIOM
USE A MINIMUM OF 2 STAKES ON
UPSLOPE SIDE ------- —
FLOW
DITCH
SLOP
MATTING
Page 14
)METRIC
VIEW
TOP OF BANK
DOWNSLOPE
USE A MINIMUM OF 4 STAKES ON
DOWNSLOPE SIDE
DOWNSLOPE
GROUND i I I I I I I I I I I I I I I I I I I I I
NOTES: PLAN VIEW
1. Other materials providing equivalent protection against erosive velocities may be
substituted for use in silt socks or wattles.
2. Use a minimum 12 inch diameter silt sock/wattle.
3. Fill silt sock/wattle netting uniformly to the desired length such that logs do not
deform.
4. Use 24 inch long wooden stakes with a 2 inch x 2 inch nominal cross section.
5. Install silt sock/wattle(s) to a height on slope so flow will not wash around silt
sock/wattle and scour slopes, or as directed.
6. Install a minimum of two upslope stakes and four downslope stakes at an angle to
wedge silt sock/wattle to ground at bottom ditch.
7. The use of Polyacrylamide (PAM) is recommended. Apply 2-3 ounces of anionic
PAM on top of sock/wattle. Apply 1-2 ounces to matting on either side of
sock/wattle. Reapply after each 1.0 inch rain event.
SILT SOCK / WATTLE FOR CHECK DAMS
Date:
Page 15
2-3-23
Silt Sock/ Wattle
FLOW�� 3 Area to be
I I
I
W W W Protected
W W
12" Min. 2" x 2"
Stakes
SECTION
VWW� IVIMI�lI W1 . WlIIVWv L
To 1/2 height of log
UNTRENCHED INSTALLATION
ISOMETRIC VIEW
Mulch or Compost
for Untrenched Socks
Sheet Flow■
Work A
-ea To Be
otected
Silt Sock/
Wattle
Silt Sock/ Wattle
FLOW 3„ Area to be
Protected
12" Min. 2" x 2"
Stakes
SECTION
ENTRENCHED INSTALLATION*
*THIS APPLICATION MAY NOT BE USED WITH COMPOST
SOCKS SMALLER THAN 12".
COMPOST SOCK INITIAL FLOW RATES
Compost Sock
8 Inch
12 Inch
18 Inch
24 Inch
32 Inch
Design Diameter
(200 nm)
(300 nm)
(450 nm)
(600 nm)
(750 nm)
Maximum Slope
600 Feet
750 Feet
1,000 Feet
1,300 Feet
1,650 Feet
Length (<2%)
(183 m)
(229 m)
(305 m)
(396 m)
(500 m)
Hydraulic Flow
7.5 gpm/ft
11.3 gpm/ft
15.0 gpm/ft
22.5 gpm/ft
30.0 gpm/ft
Through Rate
(94 I/m/m)
(141 I/m/m)
(188 I/m/m)
(281 I/m/m)
(374 I/m/m)
NOTE:
1. Other materials providing equivalent protection
against erosive velocities may be substituted for
use in silt socks or wattles.
2. Fill silt sock/wattle netting uniformly with compost
to the desired length such that logs do not deform.
3. Silt sock/Wattle(s) should be installed parallel to
and a minimum of 10 feet beyond the toe of a
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
prevent runoff from going around the end of the
silt sock/wattle(s).
4. 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
of 8 feet if the silt sock/wattle is placed in a 4 inch
trench.
5. In the event staking is not possible (ie. when
socks/wattles are used on pavement) heavy
concrete blocks shall be used behind the silt
sock/wattle to hold it in place during runoff events.
MAINTENANCE:
1. Inspect silt sock/wattle at least weekly and after
each 1 inch or greater rainfall. Remove
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.
INSP�SHINNS LSILT SOCK FOR PERIMETER AND INLET PROTECTION