HomeMy WebLinkAboutWPO201300024 Plan - Approved 2013-04-02GENERAL NOTES
Site
1. The owner will designate a project manager to act as owner's representative during this project.
Contractor shall report directly to this Project Manager unless otherwise directed.
2. The designer has conducted no studies designed to discover the presence of any hazardous
substances on this property and assumes no responsibility or liability resulting from the presence
on any such substance.
3. The contractor shall obtain all permits required for this work and pay all associated fees.
4. Paved or rip rap ditch may be required when, in the opinion of the Area Land Use Engineer or his
designee, it is deemed necessary in order to stabilize a drainage channel.
5. All traffic control signs shall conform with the Virginia Manual for Uniform Traffic Control Devices,
latest edition, and shall be provided by the contractor.
6. All excavation for underground pipe installation must comply with OSHA Standards for the
Construction Industry (29 CFR Part 1926).
7. All handicap accessible requirements on the site and within all structures shall comply with the
2009 Unform State Building Code, 2009 Virginia Construction Code, and ICC /ANSI A117.1 -.03.
Utilities
1. Any damage to existing utilities caused by Contractor or its subcontractors shall be Contractor's sole
responsibility and repaired at Contractor's expense.
2. These plans do not guarantee the existence, non - existence or location of utilities. Contractor shall
verify the existence and location or the non - existence of utilities. At least 48 hours prior to any
excavation or construction, Contractor shall notify MISS UTILITY (1- 800 - 552 -7001) and /or the
respective utility companies for gas, water, sewer, power, phone and cable. Contractor shall timely
arrange to have the various utilities located, and to have them removed or relocated, or to determine the
method of protection acceptable to the respective owner, if the method of protection is not otherwise
specified: Contractor shall conduct its work in the vicinity of existing utilities in accordance with the
respective utility's rules and regulations. Any cost incurred for removing, relocating or protecting utilities
shall be borne by Contractor unless indicated otherwise. Contractor shall excavate to locate buried
utilities far enough in advance of its work to allow for horizontal and /or vertical adjustments to its work
and /or the utilities. No adjustment in compensation or schedule will be allowed for delays resulting from
Contractor's failure to contact and coordinate with utilities.
3. When the work crosses existing utilities, the existing utilities shall be adequately supported and
protected from damage due to the work. All methods for supporting and maintaining the existing utilities
exercise care e
shall be approved by the respective utility company and /or the Engineer. Contractor shall e x r
to insure that the grade and alignment of existing utilities are maintained and that no joints or
connections are displaced. Backfill shall be carefully placed and compacted to prevent future damage
or settlement to existing utilities. Any utilities removed as part of the work, and not indicated to be
removed or abandoned, shall be restored using materials and installation equal to the utility's
standards.
4. Contractor shall notify landowners, tenants and the Project Manager prior to the interruption of any
services. Service interruptions shall be kept to a minimum.
5. The adjustment of all manhole tops, water valve boxes, gas valve boxes and water meter boxes shall
be the responsibility of Contractor.
6. All water meter, valves and fire hydrant adjustments /relocations shall be performed by the Contractor.
Erosion Control & Work Area Protection and Maintenance
1. All fences required to be removed or disturbed by construction shall be salvaged, stored, protected
and re- installed by Contractor at the direction of and location designated by the Project Manager. If
such fence material cannot be reused due to damage caused by Contractor, Contractor shall install
new fence of the same type of material. Temporary fencing required by private property owners shall be
provided by Contractor. Contractor is advised to contact property owners at least forty -eight (48) hours
in advance of removing any fence in order to coordinate relocation and /or protection of any animals,
and to establish and confirm with the owner the pre - construction condition of any fence to be removed,
disturbed or replaced.
2. Contractor is permitted to work in the public right -of -way (following issuance of VDOT Land Use Permit)
and any temporary or permanent easement (following verification of existence of easement) shown on
the plans. However, Contractor shall notify property owner(s) forty eight (48) hours prior to working on
any private property to coordinate access and to determine a storage area for materials if needed.
Coordination of access to public right -of -way and storage of materials thereon shall be coordinated with
VDOT and the Project Manager. Contractor's failure to so notify and coordinate with property owners
and /or the Project Manager may result in delays.
3. Contractor shall, at his expense, maintain the work site in a clean and orderly appearance at all times.
All debris and surplus material collected shall be disposed of off the work site by Contractor, at his
expense.
4. Existing lawns, trees, shrubs, fences, utilities, culverts, walls, walks, driveways, poles, signs, right -of-
way monuments, mailboxes and the like shall be protected from damage during the work. Any damage
caused to such items shall be repaired or replaced by Contractor at no additional cost. Property pins
disturbed by Contractor that are not shown on the plans to be disturbed shall be restored by a licensed
surveyor at Contractor's expense.
5. Contractor shall employ erosion control devices and methods as required to meetthe requirements
and intent of the local Erosion Control ordinance. Contractor shall provide the necessary diversion
ditches, dikes or temporary culverts required to prevent mud and debris from being washed onto the
streets or property. Contractor's vehicles shall be kept clean to prevent mud or dust from being
deposited on streets. No area shall be left denuded for more than seven (7) calendar days.
6. Contractor shal I clean up, restore, seed and maintain all disturbed areas immediately upon
completion of work on each site. Topsoil, seed, fertilizer and mulch shall be placed in accordance with
standards of the local E &S Program on all disturbed areas. A permanent stand of grass adequate to
prevent erosion shall be established prior to final acceptance.
Earthwork and site conditions
7. Exceptas otherwise shown on the plans, allcuts and fills shall match existing slopes or be no greater
than 2:1.
8. Unless otherwise noted on the plans or in the specifications, all fill materials shall be compacted to 95%
of theoretical maximum densityas determined by AASHTO T -99 method A, within plus or minus 2% of
optimum moisture, for the full width and depth of the fill.
9. All grading and improvements to be confined to the project area unless otherwise indicated.
10. All materials and installation details shall conform to applicable local ordinances.
11. Any unusual or unanticipated subsurface conditions shall be immediately reported to the Engineer.
12. Contractor shall verify all dimensions, elevations and locations prior to beginning work, and
immediately notify the Engineer in the eventthere are any discrepancies between such conditions
and those shown on the plans and specifications.
u rc s. ree FZoad
do
County of Albemarle-,
APPROVED
by the A benultle County
Doe unity Development Depaltment
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Master Plan 1 "= 200':T,v. .._..r.,�1 ..
Reaistered Land Disturber (RLD) Certification:
For purposes of plan review, the RLD will be the professional engineer or
surveyor certifying this drawing. Prior to issuance of a land disturbance
permit, grading or grading permit the owner shall provide an RLD for the
construction perdlod. The following contact information shall be .used for
the construction period.
RLD:
Va. RLD Cert. No.:
Contact Telephone No.:
Vicinity map (1" 2000 ft)
General construction notes for Erosion and Sediment Control plans
1. The plan approving authority must be notified one week prior to the pre- construction
conference, one week prior to the commencement of land disturbing activity, and one week
prior to the final inspection.
2. All erosion and sediment control measures will be constructed and maintained according to
minimum standards and specifications of the Virginia Erosion and Sediment Control
Handbook and Virginia Regulations VR 625 -02 -00 Erosion and Sediment Control
Regulations.
3. All erosion and sediment control measures are to be placed prior to or as the first step in
clearing.
4. A copy of the approved erosion and sediment control plan shall be maintained on the site at
all times.
5. Prior to commencing land disturbing activities in areas other than indicated on these plans
(including, but not limited to, off -site borrow or waste areas), the contractor shall submit a
supplementary erosion control plan to the owner for review and approval by the plan
approving authority.
6. The contractor is responsible for installation of any additional erosion control measures
necessary to prevent erosion and sedimentation as determined by the plan approving
authority.
7. All disturbed areas are to drain to approved sediment control measures at all times during
land disturbing activities and during site development until final stabilization is achieved.
8. During dewatering operations, water will be pumped into an approved filtering device.
9. The contractor shall inspect all erosion control measures periodically and after each runoffproducing
rainfall event. Any necessary repairs or cleanup to maintain the effectiveness of
the erosion control devices shall be made immediately.
Albemarle Courty Er4needng
Final Plan C*rw l Notes
Pape 3 of 4
10. All fill material W be taken from an approved, designated borrow area.
11. All waste materials shall be taken to an approved waste area. Earth fill shall be inert
materials only, free of roots, stumps, wood, rubbish, and other debris.
12. Borrow or waste areas are to be reclaimed within 7 days of completion per Zoning
Ordinance section 5.1.28.
13. All inert materials shall be transported incompliance with section 13 -301 of the Code of
Albemarle.
14. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to
the hours of 7:00am to 9:00pm.
15. Borrow, fill or waste activity shall be conducted In a safe manner than maintains lateral
support, or order to minimize any hazard to persons, physical damage to adjacent land and
Improvements, and damage to any public street because o slides, sinking, or collapse.
16. The developer shall reserve the right to install, maintain, remove or convert to permanent
stormwater management facilities where applicable all erosion control measures required
by this plan regardless of the sale of any lot, unit, building or other portion of the property.
17. Temporary stabilization shall be temporary seeding and mulching. Seeding is to be at 75
Ibs/acre, and in the months of September to February to consist a 50150 mix of Annual
Ryegrass and Cereal Winter Rye, or in March and April to consist of Annual Rye, or May
through August to consist of German Millet. Straw mulch is to be applied at 80lbs/100sf.
Alternatives are subject to approved by the County erosion control inspector.
18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch.
Agricultural grade limestone shall be applied at 90lbs/1000sf, incorporated into the top 4.6
Inches of soil. Fertilizer shall be applied at 1000lbs/acre and consist of a 10 -20 -10 nutrient
mix. Permanent seeding shall be applied at 180lbs/acre and consist of 95% Kentucky 31 or
Tall Fescue and 0 -5% Perennial Ryegrass or Kentucky Bluegrass. Straw mulch is to be
applied at 80lbs/100sf. Alternatives are subject to approved by the County erosion control
Inspector.
19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage
or clogging to structural measures is to be repair immediately. Silt traps are to be cleaned
when 50% of the wet storage volume Is filled with sediment. All seeded areas are to be
reseeded when necessary,to %achieve a good stand of grass. Silt fend and diversion dykes
which are collecting sediment to half their height must be cleaned and repaired
Immediately.'
20. All temporary erosion and sediment control measures are to be removed within 30 days of
final site stabilization, when measures are no longer needed, subject to approval by the
County erosion control inspector.
21. This plan', shall be void if the owner does not obtain a permit within 1 year of the date of
approval. (Water Protection Ordinance section 17- 2046.)
22. Permanent vegetation shall be installed on all denuded areas within nine (9) months after
the date the land disturbing activity commenced. (Water Protection Ordinance section 17-
207B) '
Contents:
1. Cover and Master Plan
2. Fill Area Details and Erosion Control Plan
3. Erosion Control Narrative
TH OF
o JIMMY L. TAGGART
(CERTIFICATE) No.
22841
%-S,"ONAL
March 18, 2013
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Trap No. 1 Drainage Area= 2.80 Ac.
Drainage Area= 1.53 Ac. Length= 17 ft.
Length= 9 ft. Bottom of Excay. Wet Area = 65 x 23 or 1499.34 S.F. at elev. 643.0 OK
Bottom of Excay. Wet Area= 40 x 19 or 779.06 S.F. at elev. 671.0 OK �F Depth of Wet Storage= 3 ft.
Depth of Wet Storage= 3 ft. �O� Wet Cleanout Elev.= 644.5
Wet Cleanout Elev.= 672.5 / r h/ Bottom of Weir= 71 x 29 or 2063.74 S.F. at elev. 646.0 OK
Bottom of Weir- 46 x 25 or 1171.92 S.F. at elev. 674.0 OK Depth of Dry Storage= 2.5 ft. /
Depth of Dry Storage= 2 ft. Top of Berm= 81 x 39 or 3164.41 S.F.tat elev. 649.5 OK
Top of Berm= 54 x 33 or 1807.73 S.F. at elev. 677.0 OK �_� _ H= 3.5 ft.
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Drainage Area= 1.53 Ac. Length= 17 ft.
Length= 9 ft. Bottom of Excay. Wet Area = 65 x 23 or 1499.34 S.F. at elev. 643.0 OK
Bottom of Excay. Wet Area= 40 x 19 or 779.06 S.F. at elev. 671.0 OK �F Depth of Wet Storage= 3 ft.
Depth of Wet Storage= 3 ft. �O� Wet Cleanout Elev.= 644.5
Wet Cleanout Elev.= 672.5 / r h/ Bottom of Weir= 71 x 29 or 2063.74 S.F. at elev. 646.0 OK
Bottom of Weir- 46 x 25 or 1171.92 S.F. at elev. 674.0 OK Depth of Dry Storage= 2.5 ft. /
Depth of Dry Storage= 2 ft. Top of Berm= 81 x 39 or 3164.41 S.F.tat elev. 649.5 OK
Top of Berm= 54 x 33 or 1807.73 S.F. at elev. 677.0 OK �_� _ H= 3.5 ft.
H= 3 ft. Ho= 2.5 ft. '
Ho= 2 ft. 1 W= 3
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Depth of Wet Storage=
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x 39 or 3324.63 S.F. at elev. 663.5 OK
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Depth of Wet Storage= 3 ft. �•
Wet Cleanout Elev.= 664.5 -r ---�
o JIMMY L. TAGGAR 1 ►-�
_ (CERTIFIC No.
MaL 228412013 G
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FlLENUMBER
8527
SHEET
2 of 3
1. Set the stakes.
6' Max
-If // I f ,
Flow
3. Staple filter material to stakes
and extend It into the trench.
F
2' upsllopet along'�thxe 41�i�nerench
of the stakes
4. Backfill and compact
the excavated soil.
Sheet Flow Installation
/ A
o MANAGEMENT STRATEGIES
1 1. Areas which are not to be disturbed shall be dearly marked by flags, signs, etc.
a r i a 1 v e 2. the owners actor shat
2. The Contractor shall be responsible for the Installation and maintenance of all
erosion and sediment control measures.
filch• ._ y � �- • •
The purpose of this project is the destination area for excess fill from another project. Approximately 15 acres are scheduled for disturbance.
EROSION AND SEDIMENT CONTROL MEASURES:
MS -10 All storm sewer inlets that are made operable during construction shall be protected so that sediment-laden water cannot enter the
Measures shown on the accompanying drawings are to be Installed In
EXISTING SITE CONDITIONS:
accordance with the specifications and standards of the Virginia Erosion and
The topography of the site Is rolling within all reaches. The area landcover Is mostly wooded with some areas lightly wooded or open.
Sedimentation Control Handbook, 3rd Edition 1992-
TEMP. SEEDING SPECS.
ADJACENT AREAS:
MAINTENANCE.
permanent channel lining shall be installed in both the conveyance channel and receiving channel,
The project area is bounded by the RL 250 to the North, Burches Creek Rd. to the East and by unimproved or rural farm properties on all
In general, all Erosion and Sediment control measures will be checked
other sides.
dally and after each significant rainfall. The following items will be chocked in particular:
I I
a) should sediment basins or traps be required, they will be cleaned and maintained
SOILS:
according to the Virginia Erosion and Sediment Control Handbook.
nC
Mulch S e c i f i c a + i o
Solis In this area are loam of the Chewada Sift Loam variety. These generally have Kf factors of 0.28 and T factors of 5.
s
b) All gravel outlets will be chocked regularly for sediment buildup that
l I I J
p
MS -13 When a live watercourse must be crossed by construction vehicles more than twice in any six -month period, a temporary stream crossing
will prevent drainage. If the gravel is dogged by sediment, It shall be
Z
CRITICAL AREAS:
Important critical area are delineated on the plan. Other critical areas are those (such as creek channels) subject to concentrated
removed and cleaned or replaced.
c) All sift barriers will be chocked regularly for undermining or deterioration
Straw or Hay- 1.5 to 2.0 ton per ac. (2.0 min. for winter cover)- free from weeds and coarse
stormflows or subsurface springs. In topography such as this, source control of sediment is critical to erosion control. Contractor should use care In
of the fabric and repaired as required. Sediment shall be removed when
matter. Must be anchored. Spread by hand or blower.
scheduling and sequencing to minimize excavation exposure in these areas. Stream crossing as shown should be carefully consturded and
scheduled sous to minimize disruption to the stream. ft Is recommended that minor routing pipes be laid across the ground surface and around the
the level of sediment deposition reaches halt way to the top of the barrier.
d) All Seeded area will be checked regularly to see that a good stand Is
Fiber Mulch- Min. 1500 lb. per acre - Do not use as winter cover or during hot, dry periods*
construction more to provide a reasonably dry work environment.
maintained. Areas should be fertilized and reseeded as needed.
Apply as slurry.
EROSION AND SEDIMENT CONTROL MEASURES:
e) The acceptance of approval Implies that the applicant has agreed to use
the materials as indicated on the Erosion Control Plan, attachment
Cam Stalks - 4 -6 ton per acre- Cut or shredded into 4-6' lengths. Air dried. Do not use in
Measures shown an the accompanying drawings and in this narrative are to be Installed in accordance with the specifications and standards of
and samples submitted. Any change to the approved design or materials will
fine turf areas. Apply by hand or blower.
the Virginia Erosion and Sedimentation Control Handbook, 3rd Edition 1992.
require approval by the Engineer.
Wood Chips - 4-6 ton per acre- Free of coarse matter. Air dried. Treat with 12 lb. nitrogen /ton
a. No more than 500 linear feet of trench may be opened at one time.
CALCULATIONS'
Do not use in fine turf areas. Apply by hand, blower or chip handler.
STABILIZATION PACTICES
None.
Bark Chips or
(Adapted from State Minimum Standards as effected, 13 SEP95). Standards listed here, are in summary form. In uses of question or controversy,
the Virginia Regulation VR 625 -02-00 shall govern.
PERM. SEEDING SPECIFICATIONS: (All units in Pounds per acre)
Shredded Bark- 50 -70 C.Y. per acre- Free of Coarse matter. Air Dried. Do not use in fine
Feb. 16 thru April 30:
turf areas. Apply by hand, blower or chip handler
MS -1 Permanent or temporary soil stabilization shall be applied to denuded areas within seven (n days after final grade Is readied on any portion
Kentudry 31 Fecue- 128 lbs.; Red Top Grass- 2 lbs.; Annual Rye- 20 lbs.
Points "A" should b e higher than Point "B"
of the site. Temporary soil stabilization shall be applied to denuded areas within seven (n days to
Fertilize at 1,000 lb. per acre or as determined by soil test
*When Fiber Mulch is the only available mulch during periods when straw should be used,
denuded areasthat may not be at final grade, but will remain dormant for longer than 30 days. Permanent stabilization shall be
For Slopes steeper than 3:1, add 20 lb. Crowmvetc'm
apply at rate of 2,000 lb. per ac.
applied to those area which will remain dormant for longer than one year.
May 1 thru August 15:
_j
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MS -2 Soil stock plies shall be stabilized or protected with sediment trapping measures. The applicant is responsible for the temporary protection
Kentucky 31 Fecue -128 lbs.; Red Top Grass- 2 lbs.; Foxtail Millet - 2D lbs.
and permanent stabilisation of all soil stodgAles on site as well as soil intentionally transported from the site.
Fertilize at 1,000 lb. per acre or as determined by soil test
MS-3 A permanent vegetative cover shall be established on denuded areas not otherwise stabilized. Permanent vegetation shall not be considered
For Slopes steeper than 3:1, add 20 lb. Crownvetch
Fence
established until a ground cover Is achieved that, in the opinion of the local program administrator, or his agent, is uniform, mature enough to
Aug. 16 thru Oct. 31:
survive, and will inhibit erosion.
Kentucky 31 Fecue- 128 lbs.; Red Top Grass- 2 lbs.; Annual Rye- 20 lbs.
of each day' Sediment shall be removed from the roads by shoveling or sweeping and transported to a sediment control disposal area. Street
washing shall be allowed only after sediment Is removed In this manner. This provision shall apply to Individual subdivision lots as well as to larger
MS4 Sediment basins and traps, perimeter dikes, sediment barriers and other measures intended to trap sediment on -site must be constructed as
Fertilise at 1,000 lb. per acre or as determined by soil test
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a first step in grading and be made functional before upslope land disturbance takes place.
For Slopes steeper than 3:1, add 20 lb. Crownvetch
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MS-5 Stabilization measures shall be applied to earthen structures such as dams, dikes and diversions Immediately after installation.
Nov. 1 thru Feb. 15:
MS -18 All temporary erosion and sediment control measures shall be removed within 30 days after final site stabilization or after the temporary
MS-6 Surface runoff from disturbed areas that Is comprised of flow from drainage areas greater than or equal to, three (3)
Kentucky 31 Fecue- 128 lbs.; Red Top Grass- 2 lbs.; Winter Rye- 20 lbs.
acres, shall be controlled by a sediment basin. The sediment basin shall be designed and constructed to accommodate the anticipated sediment
Fertilize at 1,000 lb. per acre or as determined by soil test
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loading from the land disturbing activity. The outfall device or system design shall take Into account the total drainage area flowing through the
For Slopes steeper than 3:1, add 20 lb. Crownvetch
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disturbed area to be served by the basin.
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MS -7 Cut and fill slopes shall be constructed In a manner that will minimize erosion. Slopes that are found to be eroding
excessively within one year of permanent stabilization, shall be provided with additional slope stabilizing measures until the problem Is corrected.
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MS-8 Concentrated runoff shall not flow down cut or fill slopes unless contained within adequate temporary or permanent channel, flume or slope
GENERAL REMARKS:
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drain struchue.
1. Lime shall be applied at 3 tons per acre unless otherwise noted.
MS -9 Whenever water seeps from a slope face, adequate drainage or other protection shall be provided.
2. Fertilizer shall be Type 10 -20-10 unless otherwise noted.
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MS -10 All storm sewer inlets that are made operable during construction shall be protected so that sediment-laden water cannot enter the
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conveyance system without first being filtered or otherwise treated to remove sediment.
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MS -11 Before newly constructed storrnwvater conveyance channels are made operational, adequate outlet protection and any required temporary or
TEMP. SEEDING SPECS.
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permanent channel lining shall be installed in both the conveyance channel and receiving channel,
For Planting Dates of Sep.1 to Feb. 15
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MS -12 When work In a live watercourse Is performed, precautions shall be taken to minimise encroachment, control sediment transport and
Use a 50150 Mix of Annual Rye and Winter Rye
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stabilize the work area to the greatest extent possible during construction. Nonerodible material shall be used for the construction of causeways and
at 50 to 100 lb. per acre.
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cofferdams. Earthen fill may be used for these structures If armored by nonerodible cover materials.
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MS -13 When a live watercourse must be crossed by construction vehicles more than twice in any six -month period, a temporary stream crossing
For Planting Dates of Feb. 16 to April 30
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constructed of nonerodible material shall be provided.
Use Annual Ryegrass at 60 to 100 lb. per acre.
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MS -14 All applicable federal, state and local regulations pertaining to working in or crossing live watercourses shall be met.
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MS -15 The bed and banks of a watercourse shall be stabilized immediately after work In the watercourse is completed.
For Planting Dates of May 1 to Aug. 31
For
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MS -16 Underground utility lines shall be Installed in accordance with the following standards In addition to other applicable
Use German Millet at 50 lb. per acre.
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criteria:
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a. No more than 500 linear feet of trench may be opened at one time.
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b. Excavated material shall be placed on the uphill side of ireric hes.
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c. Effluent from dewatering operations shall be filtered or passed through an
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approved sediment trapping device, or both, and discharged in a manner that
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Points "A" should b e higher than Point "B"
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does not adversely affect flowing streams or off-site property.
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D ra i n a g e w ay Installation
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d. Restabllization shall be accomplished In accordance with these regulations.
e. Applicable safely regulations shall be complied with.
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MS -17 Where construction vehicle access routes Intersect paved public roads, provisions shall be made to minimize the transport of sediment by
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vehicular tracking onto the paved surface. Where sediment Is transported onto a public road surface, the road shall be cleaned thoroughly at the and
Silt
Fence
Installation
of each day' Sediment shall be removed from the roads by shoveling or sweeping and transported to a sediment control disposal area. Street
washing shall be allowed only after sediment Is removed In this manner. This provision shall apply to Individual subdivision lots as well as to larger
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land- disturbing activities.
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MS -18 All temporary erosion and sediment control measures shall be removed within 30 days after final site stabilization or after the temporary
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measures are no longer needed, unless otherwise authorized by the local program administrator. Trapped
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sediment and the disturbed soil areas resulting from the disposition of temporary measures shall be permanently stabilized to prevent further erosion
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and sedilmentatlon.
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MS -19 Stormwater management for this site Is not required for either quantity or quality control. (No impervious additions or changes proposer!).
3:
2 ft 2:1
Top of Be F «t
Undisturbed
1.0 ft
Bottom of Tren BM12 Terminal Fold
`o BM12 Penn. Erosion Control Blanket
Clearwater Diversion (DD *)
Ahuttf
(No scale)
4 inches
Fold
is
5'
Wooden Stakes
lgxn�l Fold
Soil Stablization Blanket Details
H (H9100
Dry Storage
No (Weld DEPTH
Wet SEDIMENT STORAGE
W width
'y��.• ••Jj'�• y
AV L
ii �� •• 1
DEPTH 1' DEPTH
ROCK
OUTFLOW
CHANNEL IF
CONSTRUCTED
BY EXCAVATION
CROSS SECTION
NTS
NOTE: MAY BE CONSTRUCTED BY
SEDIMENT TRAP OUTLET
NTS
NOTE:
A FILTER FABRIC FENCE
OR SIMILAR FILTER MUST BE
CONSTRUCTED TO FILTER RUNOFF
FROM THE SEDIMENT TRAP PRIOR
TO DISCHARGE FROM THE
CONSTRUCTION SITE.
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5 JIMMY L. TAGGART //
(CERTIFICATE) No.
22841
March 18, 2013
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