HomeMy WebLinkAboutNCC241037_FRO Submitted_20240415 rurINN p Bryce A.Stuart Municipal Building
ltiltJf Suite 328
1 100 E.First Street
Single-Family Dwelling avoewisaiem Winston-Salem,NC 27101
Minn s
F�nrNenre fAwugf7 Sanice Field P.Q. Box 2511
Erosion Control P e r m i t Application Operations Winston-Salem, NC 27102-2511
Please use this form when the Developer and Builder are not the same Phone:311 or- 747-7453
Fax: (336)7272792792
financially responsible party/person and will be less than one (1) acre of
land disturbance on any one (1) lot.
Lot(s)to be Developed Information (� ++ .. ''
Site Address: 5 7 oC ! E l/ vt o O ri V'e W(�� 9 - { [fit r c 27IOcz,
Subdivision Name: -4 42, A 1-
Hers
w— I Anticipated Dates of Construction Activity: Start: Alf f-; f I Completion: Jowl UCt rt) 1 ~ , e�5
***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: ,,r-re" rk C 0Y1.K4-1`+.It"t`tt
wt C r? .
Address: 47 tdj ,3.0 co l`rq5_e b+r;00L
City/State/Zip: C�P tfvofA.01.4 5 r A}(. P-Ti')cl Office Phone:
f a
Mobile Phone: Sc Co— ^(�U/ Email Address: Li)r eiout4c e GTmart cool
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.
Print Name of Financially Responsible Person Signature o Financially Res sible Person
TO BE COMPLETED BY CITY STAFF ONLY:
Date of Application Submittal:
Permit Number:
Date: ';.,44,_ PAGE 1
NOTES AND APPLICABILITY TO LOT DEVELOPMENT
VVINSTON-SALEM/FORSYTH COUNTY STANDARD SEDIMENT AND 1. This plan is for lots with an Individual disturbed area of 1.00 acre or less for
EROSION CONTROL PLAN FOR SMALL RESIDENTIAL LOTS Adividtymapsnowual single itydwebun
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
TABLE OF CONTENTS Page 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
1. Title Sheet 1 occurred or mass grading is not to occur.
2. Lot Information Table 2 5. The property does not contain nor have jurisdictional waters within 100 feet of the
3. Typical Individual Lot Layout With s * =t ___ s The site is not located in a High Quality WalerZone.
7. No discharges are allowed into impaired waters.
Curb and Gutter g. l g. On-site vehicle or equipment washing is not allowed.
4. Typical Individual Lot Layout With 4 y , '_ i - T •a 9 This site involves no off-site material storage,waste disposal,or borrow areas.
Roadside Ditches y _� .4. ' - 10.All disturbed areas not built upon shall be provided with permanent ground cover.
-,' '- i 1 As of April 1,2019,applicant must apply or-fine at deq-nc-gov/NCGO1 for the
5. NCG-01 Self-Inspection 5 NCGO1 permit,if applicable
12-The Approval Authority reserves the right to require a site-specific erosion control
6. NCG-01 Ground Cover&Material 6 "� _ .•y plan to be prepared and submitted for the 15 day review cycle.
Handling r' ,ti . a GENERAL CONSTRUCTION SEQUENCE FOR SMALL
7. Temporary Seeding ., •;. { RESIDENTIAL LOT EROSION AND SEDIMENT CONTROL
-�,-:.: ��
Recommendations • I. Prior to the start of construction,contact the Erosion Control Division to schedule
an on-site preconstruction meeting with the Erosion Control Inspector.
8. Permanent Seeding 8 r �{ ' r= 2. Install construction entrances(s).
Recommendations ti, 3- Install check dams andfor erosion control blankets in roadside ditch,where exists.
9 -. ._ ... .i ,4. Install yard inlet protection and perimeter controls(silt fence,silt fence outlets,etc)
9. Construction Entrance/Exit �. according to the plan For contiguous lots with different builders or land owners,it is
10 •c suggested that each builderfowner install their own silt fence along the shared parcel
1�.In let Protection s- boundary- If silt fence is not required along the front of the lot due to the drainage
11,Rolled Erosion Control Products t 1 w= '` -'" layout,the builder must provide a measure to limit access through the construction
entrance.Ensure inlets downgrade of disturbances are protected from siltation.
(RECP) 5. Proceed with individual lot construction.
12.Silt Fence 12 6. Maintain erosion and sedimentation controls during construction.
7 Provide for ground stabilization after completion of any phase of grading in
13.Silt Fence Outlet 13 accordance with the NPDES timeframes table.Persons responsible for land
14.Silt Sock/VVattle For Check Dams 14 disturbing activities are responsible for phased inspections to ensure the approved
PROJECT NAME' erosion and sedimentation control plan is being followed.Alf erosion control
15.Silt Sock/UVattie For Perimeter and 15 measures shaft be inspected at least once per week and after each storm event of
Inlet Protection PROJECT NUMBER' 1-0 inches or more in a 24-hour period.The self-inspection report,as well as
instructions for the self-inspection program,car be found at deq.nc.govfNCG01.
DATE OF APPROVAL: B 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
NOTE-FOR ANY PERFORMANCE RESERVATIONS REGARDING THE SEDIMENT CONTROL PLAN(PERFORMANCE erosion or sedimentation controls and stabilize any areas disturbed by their removal.
BASED)OR CRITICAL AREAS,A FIELD REVISION OR A CUSTOM PLAN MAY BE REQUIRED 10. Once the last approved lot is complete,notify the Erosion Control Division for
a close-out inspection.
12.1 STANDARD SEDIMENT& EROSION CONTROL PLAN
Date. Page 2
PLEASE COMPLETE ALL INFORMATION FOR EACH LOT TO BE DEVELOPED.ENTER THE DRAINAGE PATTERN TYPE IA,B,C.D,E,F,G OR HI 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
53% q a. . 17 A
4,5;), LOT INFORMATION TABLE (ADD TABLE(S) IF NECESSARY)
Date. Notes: Page 3
4r . � 'A' °B' 1. If needed, Tree Protection fencing should
be installed along the buffer zone, wetland
�� � boundary and/or around protected trees,
L providing a radius of at least 1.25 feet for
It ,j, = 4 @ each inch of trunk diameter.
2.Install Silt Fence on the low elevation sides
lt HOUSE Tr ,[I, El N01S 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
� __:: ...1- / u
Gea LT I-, L, owners or builders, each lot should have
RO.ADM>Y ROADWAY ROADWAY ROADWAY 1
individual Silt Fences.
CURB INLET DGEOFCURB 3. Install required Silt Fence within 10 feet of
property line to ensure there is no conflict
•r• �' H' with septic system. It is the responsibility of
-771
® _ the builder to ensure the installation of
Ie % % sediment control measures does not impact
the septic system and repair area(s).
% % e % % 4. At least one Construction Entrance/Exit is
to be installed per .lot.
HOUSE % e 5. Waste bins and o#her areas dedicated for
managing building material waste shall be
�, at least 50 feet away from storm drain inlets
R�"" �, L. or drainage ditches unless it can be shown
OILO -Er,LJ �L � L L.,
that no other alternative exists. If this
ROADWAY ROADWAY ROADWAY ROADWAY separation cannot be achieved, these
CURB INLET LOGE OF CURB areas must be contained behind Silt Fence.
6. Inlets downstream of disturbances should
LEGEND: be protected; streets should be swept when
FLOW DIRECTION € sediment from the construction activity is
SILT FENCE present_
SILT FENCE OUTLET ® 7. Details for Silt Fence, Silt Fence Outlets,
CONSTRUCTION ENTRANCE Construction Entrances and other
MEN
measures are provided on additional
CURB INLET ® sheets. Erosion and sediment control
details are not drawn to scale.
lin l TYPICAL INDIVIDUAL LOT LAYOUT WITH CURB AND GUTTER
Date: Notes: Page 4
9 fq Zq - 1. If needed, Tree Protection fencing should
-B- -c" be installed along the buffer zone, wetlandFr-9r, -
boundary and/or around protected trees,
111 � providing a radius of al least 1.25 feet for
ii i11, Ji. each inch of trunk diameter.
ir 4 2.Install Silt Fence on the low elevation
sides of each lot. Install Silt Fence outlets
I 1 4 shown on schematic/diagram and field
adjusted, if necessary, for placement at
low points. If lots are contiguous and have
RI'
f different land owners or builders, each lot
jLj
`.' i Li ® I i u should have individual Silt Fences.
-3-TD--T D ) TO) )T TD ) TD > ) T TD ) - C TD- --TD TDC---
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„ _�. •H_ of the builder to ensure the installation of
_ sediment control measures does not
® impact the septic system and repair
+� I 17721.
+l +l area(s).
% % 4.At least one Construction Entrance/Exit is
�/ T/ to be installed per lot.
iliCUSE
1 1 5. Waste bins and other areas dedicated for
HOUSE
managing building material waste shall be
21
at least 50 feet away from storm drain
'Z--I inlets or drainage ditches unless it can be
RA
, ,,,.,i
shown that no other alternative exists. If
--C-TD TDC • ) )TD D. < ( c )r TO mr 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 —TO TO activity is present_
7. Details for Silt Fence, Silt Fence Outlets,
WADDLE/SILT SOCKS
Construction Entrances and other
SILT FENCE OUTLET ® measures are provided on additional
CONSTRUCTION ENTRANCE sheets. Erosion and sediment control
details are not drawn to scale.
--(I�
�.r TYPICAL INDIVIDUAL LOT LAYOUT 1NITH ROADSIDE DITCHES
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Date Page 7
TEMPORARY SEEDING RECOMMENDATIONS
FOR LATE WINTER AND EARLY SPRING
Seeding Mixture
Species Rate(lbtacre)
Rye{grain} 120 TEMPORARY SEEDING RECOMMENDATIONS FOR SUMMER TEMPORARY SEEDING RECOMMENDATIONS FOR FALL
Annual lespedeza(Kobe in 50
Piedmont and Coastal Plain, Seeding Mixture Seeding Mixture
Korean in Mountains) Species Rate(Ib/acre) Species Rate(Ib/acre)
Omit annual lespedeza when duration of temporary cover is riot to German millet 40 Rye(grain) 120
extend beyond June. In the Piedmont and Mountains,a small-stemmed Sudangrass may be
substituted at a rate of 50 lb/acre. Seeding Dates
Seeding Dates Mountains—Aug.15-Dec.15
Mountains—Above 2500 feet: Feb.15-May 15 Seeding Dates Coastal Plain and Piedmont—Aug.15-Dec.31
Below 2500 feet: Feb.1-May 1 Mountains—May 15-Aug. 15
Piedmont—Jan.1 -May 1 Piedmont—May 1 -Aug.15 Mulch
Coastal Plain—Dec.1 -Apr 15 Coastal Plain—Apr. 15-Aug.15 IApply 4,000 lb/acre straw.Anchor straw by tacking with asphalt,
Mulch •netting,or a mulch anchoring tool.A disk with blades set nearly
Mulch straight can be used as a mulch anchoring tool.
Apply 4,000 tbfacre straw.Anchor straw by tacking with asphalt, netting. Apply 4,000 lb/acre straw.Anchor straw by tacking with asphalt,
or a mulch anchoring tool.A disk with blades set nearly straight can be netting,or a mulch anchoring tool.A disk with blades set nearly Maintenance
used as a mulch anchoring tool. straight can be used as a mulch anchoring toot. Repair and refertilize damaged areas immediately.Topdress with 50
lb/acre of nitrogen in March.If it is necessary to extend temporary
Maintenance Maintenance cover beyond June 15,overseed with 50 lb/acre Kobe(Piedmont and
Refertilize if growth is not fully adequate.Reseed,refertilize and mulch I Refertilize if growth is not fully adequate.Reseed,refertilize and mulch Coastal Plain)or Korean(Mountains) lespedeza in late February or
immediately following erosion or other damage. immediately following erosion or other damage. early March.
SEED BED PREPARATION:
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 s
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.
TEMPORARY SEEDING RECOMMENDATIONS
Date Page 8
ct .`NA NON-INVASIVE PERMANENT SEEDING
_ RECOMMENDATIONS FOR FALL
NON-INVASIVE PERMANENT SEEDING RECOMMENDATIONS
FOR LATE WINTER AND EARLY SPRING NON-INVASIVE PERMANENT SEEDING SEEDING MIXTURE
SEEDING MIXTURE RECOMMENDATIONS FOR SUMMER Species Rate
Hard Fescue 15
Species Rate SEEDING MIXTURE
Switchgrass 2.5-3.5-3.5 lbslacre*
Centipede 5 lbs/acre Species Rate Indian Grass 5-7 Ibs/acre*
Indian Woodoats 1.5-2.5 lbs/acre* Indian Woodoats 1.5-2.5 Ibs/acre' Big Bluestem 5-7 Ibs/acre*
Virginia Wild Rye 4-6 Ibs/acre* Virginia Wild Rye 4-6 Ibs/acre' 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 *Depending upon mix with other species.
from Chapter6 of the NC Erosion and Sediment Control See table 6.11.d from Chapter 6 of the NC *Depending upon mix with other species. See table 6.11.d from
Planning and Design Manual. Erosion and Sediment Control Planning Chapter 6 of the NC Erosion and Sediment Control Planning and
and Design Manual. Design Manual.
Seeding Dates
Coastal or Eastern Piedmont for Centipede-Sept. 1 - May 1 Seeding Dates Seeding Dates
Coastal and Piedmont for Indian Woodoats and Virginia ; Mountains -July 15-Aug 15 Mountains-Hard Fescue- Aug 1 -June 1
Wild Rye- Feb 15-April 1 Piedmont-Aug 15-Oct 15 Mountains-Switchgrass, Indian Grass, Big Bluestem-Dec 1 -April 15
Mountains for Indian Woodoats and Virginia Wild Rye- Piedmont and Coastal-Switchgrass, Indian Grass, Big Bluestem-
March 1 -May 15 Maintenance:
Dec 1 -April 1
Indian Woodoats and Virginia Wild Rye Coastal-Indian Woodoats and Virginia Wild Rye-Sept 1 - Nov 1
Maintenance: are both sun and shade tolerant.
Significant maintenance may be required to obtain desired Maintenance:
cover once centipede is planted. Acceptable for sodding. Hard Fescue is not recommended for slopes >5%. Prefers shade.
SEED BED PREPARATION:
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 4 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: Page 9
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2-3" Course Aggregate : •f;;:��1
Construction: Maintenance:
1. Clear the entrance and exit area of all vegetation, roots, 1. Per NCG-01 inspect at least once a week and after each 1
and other objectionable material and properly grade it. inch or greater rainfall; make any required repairs
2. Place the gravel to the specific grade and dimensions immediately.
shown on the plans, and smooth it. 2. Maintain the gravel pad in a condition to prevent mud or
3. Provide drainage to carry water to a sediment trap or sediment from leaving the construction site. This may
other suitable outlet. require periodic topdressing with 2 inch stone.
4. Use geotextile fabrics in order to improve stability of the 3. Immediately remove all objectionable materials spilled,
foundation in locations subject to seepage or high water washed or tracked onto public roadways.
table.
11 � l
CONSTRUCTION ENTRANCE / EXIT
Date: Page 10
4' MAX 19-GAUGE HARDWARE CLOTH _
a MESH OPENINGS) f'•��„r_.s��. . . . . .AP • SAP .. �s���.
•
'„I.; CIA/
i iA: �I..!
NCDOT#5 OR#57 emffi
WASHED STONE '-I-*
..-.2.-; .:•:.:.a .:.....-..'._:_:_::._:::. ....:- 7 16" -,.=.:
Vil �i ii,
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WASHEDSTONE -:- -_-=•=-=-=-=-=-=-=-_-=-=-_-=-=-=-=
Construction:
1. Uniformly grade a shallow depression approaching the inlet. Maintenance:
2. Drive 5-foot steel posts 2 feet into the ground surrounding the inlet_ Space 1. Inspect sediment fences at least once a week
posts evenly around the perimeter of the inlet, a maximum of 4 feet apart. and after each 1 inch or greater rainfall. Make
3. Surround the posts with wire mesh hardware cloth. Secure the wire mesh to any required repairs immediately.
the steel posts at the top, middle, and bottom. Placing a 2-foot flap of the 2 Clear the mesh wire of any debris or other
wire mesh under the gravel for anchoring is recommended_ objects to provide adequate flow for subsequent
4. Place clean gravel (NC DOT #5 or#57 stone) on a 2.1 slope with a height rains. Take care not to damage or undercut the
of 16 inches around the wire, and smooth to an even grade. mesh during sediment removal.
5. Once the contributing drainage area has been stabilized, remove 3. Replace stone as needed.
accumulated sediment, and establish final grading elevations.
6. Compact the area properly and stabilize with groundcover.
_ � ��
f y1
INLET PROTECTION
Gate:
���� Page i1
i`!`� 3verlep Overeat channel 2^ as.iks.
Stakes at �� !, 6'Mn. to allow bulking Anchor Trench
r 3'-5'intervals ,► \„i`��1'�`! Y Oaring seeebed II
iff, . = preparaim -401
`k " / 11 \\ eesign apth / .. "'.a ,
______ ! _
-H
I TTTTTT1
•.":-A111111116" Check intervals lots at 25' I I - 1 I
,„J rtrtrt
IT - l�isiiirAr��_ i t�r� typical instara,b
t I wish erosion centroi
- blankets or turftkon t
` nevireinforcement mats: L 1{
Initial channel anchor trench Terminal slope and charnel \ 6 Min. J
anchor trench Intermi -ntcheckslot Longitudinal anchor trench
Single-lap spliced ends or begin new
roll in an intermittent check slot
3"Min. I
AncOverlapr.,. min.Tr rich
min.Trench
6"Min. and staple al
Ovedap 12"intervals Prepare soil and apply seed before 41111111111t7 IP'FLOW
`-- installing blankets,mats or other 4
.............
Staple Overlaps temporary channel liner systems
Max.5"spacing
Bring material down to a level area,
turn the end under 4"and staple at
NOTES: 12"intervals.
11 1. Lime,fertilize and seed before installation.Planting of shrubs,trees,etc.should occur after installation. o
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.Intermttent 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 feel center-to-center pattern. 3. Any areas of the RECP that are damaged or not in close
T. 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 feetlsecond 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 upstope 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:1V,rolls may be placed in horizontal strips.
ROLLED EROSION CONTROL PRODUCTS (RECP)
I
Date: Page 12
Steel Post
q ,c(raLl 8' Max. Standard Strength fabric with wire fence
6' Max. Extra strength fabric without wire fence Wire Fence
1.0
nstruction:
o Construct the sediment barrier of standard strength or extra strength A
synthetic filter fabrics. A . 10
2. Ensure that the height of the sediment fence does not exceed 24 PIastIC or
inches above the ground. (Higher fences may impound volumes of Wire ties
water sufficient to cause failure of the structure.)
3. Construct the filter fabric from a continuous roll cut to the length of the 4 - ' 18-24"
`
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 8" down & 4"
upslope side of the fence post. Wire or plastic zip ties should have a ^"" forward along the
24
minimum 50 pound tensile strength. trench
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 Filter Fabric
minimum of 24 inches. Wire Fence
6. Extra strength filter fabric with 6 feet post spacing does not require Filter Fabric
wire mesh support fence. Securely fasten the filter fabric directly to
posts. Wire or plastic zip ties should have a minimum of 50 pound Plastic or
tensile strength. Wire Backfill trench
7. Excavate the trench approximately 4 inches wide and 8 inches deep ill
and Compact
along the proposed line of the posts and upslope from the barrier. thoroughly
8. Place 12 inches of fabric along the bottom and side of the trench. g y
9. Backfill the trench with soil placed over the filter fabric and compact. Steel Post
Thorough compaction of the backfill is critical to silt fence • • • �.....
performance. U nSlone
10. Do not attach filter fabric to existing trees.
•Maintenance: T ~
All• Hi•:.:... i
1. Inspect sediment fences at least once a week and after each 1 inch • • 8"" Min.
rainfall. Make any required repairs immediately. •
2. Should the fabric of a sediment fence collapse,tear,decompose, or 24""
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 CROSS SECTION VIEW
area has been properly stabilized.
ii AP
W :1 SILT FENCE
Date: Page 13
14
r(1, aLi 4'MIN. H SILT FENCE
II I
1 -
/
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1IIiIunhrrr 1. ,, I umeima♦i1
MUSTmiiiiiiii,
O OF SILT FENCE 11♦; H1fl♦1 I
ABOVE BE THE LEASTO 1' ' i.uuiilic:
TOP OF ����������� i '
THE WASHED STONE s ■ i ♦��♦♦�� ��
g♦♦ffiI ♦
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ling
STEEL FENCE POST 1♦11
WIRE FENCE - FRONT VIEW
BURY
IMRE FENCE,
HARDWARE CLOTH FILTER FABRIC,
• I AND HARDWARE
FILTER OF#57 CLOTH IN TRENCH
WASHED STONE W I - y STEEL FENCE POST
I SET MAX 2'APART
� •° MIN.18"INTO SOLID
0960 i..° GROUND
o [b••e•' 3'FILTER FABRIC°!*' • ON GROUND NOTES:
°�°�O;:••;:�:•• , 1. Hardware cloth and gravel should overlay the silt fence at least 12 inches.
0930 0:i gg80 ) 2. Stone outlets should be placed on low elevation areas of silt fence and
•���o�ao °o`bD o based on field conditions.
.....Az: 89 o%••.o� o
1------------
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 WIRE FENCEBURY 6"OF UPPER EDGE OF Freshen stone when sediment accumulation exceeds 6 inches. Keep
AND HARDWARE CLOTH FILTER FABRIC IN TRENCH
mesh free of debris to provide adequate flow.
SECTION VIEW 2. Remove sediment when half of stone outlet is covered.
3. Replace stone as needed to facilitate de-watering.
SILT FENCE OUTLET
S
Date: ANGLE STAKES TO EDGE Page 14
f MIN. 2 STAKES ON UPSLOPE MINIMUM 4 STAKES DN insiAllaC WATTLE ONTO GROUND I SOME I 1♦I C
t I L�r �L D31W4 SLOPE
L A MATTING VIEW
I C t i
i ROUND ' ! •
•;••. E Y9
.■�ui .:/:•.:;,,•.../ .-..:.:A. �:''.•'�•�'I I--ft TOP OF DANK
MN
MATTING f - AP
� STAKE
CROSS SECT ON INSTALLATION SILT SOCK/ WATTLE ;;•:; .,` • DOVNSLOPE
V—DITCH SECTION VIEW "AT7ING �►
MIN. 2 STAKES UN UPSOPE MINIMUM 4 STAKES ON
L C
DOWNSLOPE
GROUND ..:::: j1 / 1 i I III I I 1
/ ". / j f
Eir= �; *•� !! �'� ' USE A MINIMUM OF 2 STAKES ON
�_!,--ma ` .:•.-•+� 1 _I USE A MINIMUM OF 4 STAKES ON
�- i;.�� j. 1 UPSLOPE SIDE DOWNSLOPE SIDE
-I i HTh • MATTING •
FLOW - r` • gi DOWNSLOPE
TRAPEZOIDAL DITCH stir . a Moat.e. -�
SECTION VIEW ,0..
Ditch Spacing For 12 Inch Silt Sock/Wattle �. ,
Channel Slope (%) Space Between Silt Socks!Wattles(Feet) DITCH
SLOP \ \
1 100 \ \ \\ \ _\ \ \\
I ` 1 l . I
2 50 GROUND ` I I I I
3 33 NOTES: PLAN VIEW {
4 25 1. Other materials providing equivalent protection against erosive velocities may be
5 20 substituted for use in silt socks or wattles.
MAINTENANCE 2. Use a minimum 12 inch diameter silt sock/wattle.
1. Inspect silt sock/wattle(s) weekly and after each 1 inch or 3- Fill silt sock/wattle netting uniformly to the desired length such that logs do not
greater rain. Remove accumulated sediment and any debris. deform.
2. Silt sock/Wattle must be replaced if clogged or torn- 4. Use 24 inch long wooden stakes with a 2 inch x 2 inch nominal cross section.
3. If ponding becomes excessive, the silt sock/wattle may need 5. Install silt sock/wattle(s) to a height on slope so flow will not wash around silt
to be replaced with a larger diameter or a different measure. sock/wattle and scour slopes, or as directed.
4. Reinstall if damaged or dislodged. 6. Install a minimum of two upslope stakes and four downslope stakes at an angle to
5. Silt socks/Wattles shall be inspected until land disturbance is wedge silt sock/wattle to ground at bottom ditch.
complete and the area above the measure is permanently 7. The use of Polyacrylamide (PAM) is recommended. Apply 2-3 ounces of anionic
stabilized. 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.
LW 11.�...�
III. .. SILT SOCK / WATTLE FOR CHECK DAMS
I
'
Date. Page 15
q ,44
e j, Silt Sock/Wattle Silt Sock/Wattle
NOTE:
FLOW— 3 Area to be FLOUtiE 3. Area to be 1. Other materials providing equivalent protection
—� - Protected — . Protected against erosive velocities may be substituted for
I.I
• use in silt socks or wattles.
-117 2. Fill silt sock/wattle netting uniformly with compost
12"Min. "'I."— 2"x 2„ 12"Min- —•ram 2"x 2" to the desired length such that logs do not deform.
Stakes Stakes 3. Silt sockNVattle(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
FCO May. FCO May, 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
Trench into of 8 feet if the silt sock/wattle is placed in a 4 inch •
Wood Mulch or Compost 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
concrete blocks shall be used behind the silt
•
, `THIS APPLICATION MAY NOT BE USED WITH COMPOST sock/wattle to hold it in place during runoff events.
ISOMETRIC VIEW SOCKS SMALLER THAN 12". MAINTENANCE:
1. Inspect silt sock/wattle at least weekly and after
each 1 inch or greater rainfall. Remove
COMPOST SACK INITIAL FLOW RATES accumulated sediment and any debris as
Mulch or Compost T
for Untrenched Socks Compost Sock 8 Inch 12 Inch 1 18 Inch 24 Inch 32 Inch needed to allow for adequate flow.
Area To Be Desigi Diameter (200 nm) (300 nm) 1 (450 nm) (600 nm) (750 nm) 2. Silt sockNVattle must be replaced if dogged or
Protected — — I-----
-r-- torn.
Maximum Slope 600 Feet 750 Feet 1,000 Feet 1,300 Feet 1,550 Feet 3. If ponding becomes excessive,the sift
Sheet Flow-- , Length(<2%) (183 m) (229 rn) (305 m) (396 m) (500 m)
Silt Sock! _ If bondatte may need to be replaced with a
Wattle Hydraulic Flaw 7.5 gpmJft 11.3 gpmJfi 15.0 gpmltt 22.5 gprrJfl 30.0 gprtJt! larger diameter or a different measure.
Work Area I Through Rate (94 Urn/m) (141 I/m/m) (188 t/mhn) (281 l7m/m) (374 t/m/m) 4. Reinstall if damaged or dislodged_
5. Silt socks/wattles shall be inspected until land
d
� disturbance is compete and the area above the
measure has been permanently stabilized.
SILT SOCK FOR PERIMETER AND INLET PROTECTION