20231593 Ver 1_Design/Maps/Site Plans_20240110

CONSTRUCTION DOCUMENT PLANS FOR
TRYON
OWN ER:
TRYON 5DA CHURCH
TRYON SEVENTH DAY ADVENT ST CHURCH
ATTN: ROGER PEDEN
828-767-9094
DESIGNER:
OD OM ENGINEERING P LLC.
ADDRESS: 169 OAK ST
FOREST CITY,
SANDBAG COFFER DAM
NC 28043
17
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FOLK COUNTY, N.C.
/ I ' //// //' % WATER TO BE PUMPED FROM WORK AREA
///�// AFTER SANDBAG COFFER DAM HAS BEEN PLACED.
/ ALL PUMP DISCHARGE WILL BE IN A SILT SACK,
NO LESS THAN 50' FROM THE TOP OF BANK
V
PROP. ROCK J-HOOK / I
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SEE SHEET C-901
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PLACED IN 50' SECTIONS
PLACEMENT OCCURS AT
WORKING AREA
SILT FENCING MUST BE
UTILIZED ANYWHERE THAT
IS NOT CURRENTLY UNDER
CONSTRUCTION BY USE
OF A COFFER DAM
SEE DETAILS PAGE
DENUDED LIMITS:
16,408 SQ FT
0.40 AC
OWNER: 51GMON, DIXIE H.
PARCEL NO.: P46-1 39
DEED BOOK / PAGE: WB OE / 197
PROPOSED 2: 1 SLOPE
UTILIZING GEO-LIFTS
FOR PERMANENT STABILIZATION
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MINOR CONTOURS
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TEMPORARY CONSTRUCTION
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TEMPORARY SILT FENCE
SF SF
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ROCK ARMOR
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SANDBAG COFFER DAM AREA
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PLANTING AREA
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5 H E ET LI 5T TABLE
C-000 COVER
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C-200 EX15TING CONDITIONS
C-201 SUPPLEMENTAL STREAM INFO
C-202 SUPPLEMENTAL STREAM INFO INSET A
C-203 SUPPLEMENTAL STREAM INFO INSET B
C-300 51TE PLAN
C-301 PROP05ED STREAM WI DTI-1
C-302 PLANTING AND ARMORING AREAS
C-900 DETAI L5
C-90 1 DETAILS
C-902 DETAILS
JOB NUMBER:
23085
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I HEREBY CERTIFY THAT THIS
PLAN AND SPECIFICATION
WAS PREPARED BY ME OR
UNDER MY DIRECT
SUPERVISION AND THAT I AM
A DULY REGISTERED
ARCHITECT OR ENGINEER
UNDER THE LAWS OF THE
STATE OF NORTH CAROLINA
AS SIGNIFIED BY MY HAND
AND SEAL.
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DATE: 05/ 1 1 /2023
DRAWN BY: JMO
CHECKED BY: DWO
PROJECT MGR: DWO
SHEET:
C-000 A

JOB NUMBER:
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 NCGOl 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 this
Site Area Description
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 than
If slopes are 10' or less in length and are
3:1
7
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 HOW
Zones
-10 days for Falls Lake Watershed
-7 days for perimeter dikes, swales,
(e) Areas with slopes
ditches, perimeter slopes and HOW 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 or
other mulches and tacklfiers
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 covered
• Plastic sheeting
with mulch
• Uniform and evenly distributed ground cover
sufficient to restrain erosion
• Structural methods such as concrete, aspirator
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. A flocculants at the concentrations specified in the NC DWR List o A roved
Apply p f PP
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.
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
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erosion on disturbed soils for temporary or permanent control needs.
ONSITE CONCRETE WASHOUT
STRUCTURE WITH UNER
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CONCRETE WASHOUTS
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 inlets) 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.
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 grou Jd
NCGO1 GROUND STABILIZATION AND MATERIALS HANDLING
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.
Frequency
Inspect
(during normal
Inspection records must include:
business hours)
(1) Rain gauge
Daily
Daily rainfall amounts.
maintained in
If no daily rain gauge observations are made during weekend or
good working
holiday periods, and no individual -day rainfall information is
order
available, record the cumulative rain measurement for those un-
attended days (and 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-mon Boring device
approved by the Division.
(2) 1
At least once per
1. Identification of the measures inspected,
Measures
7calendar days
2. Date and time ofthe inspection,
and within 24
3. Name ofthe person performing the inspection,
ho urs ofa rain
4. Indication of whetherthe measures were operating
event, 1.0 inch in
pro pe rhy,
24 hours
5. Description of maintenance needs forthe measure,
6. Description, evidence, and date of corrective actions taken.
(3) Storm water
At least once per
1. Identification ofthe discharge outfalls inspected,
discharge
7calendar days
2. Date and time of the inspection,
outfalls (SDOs)
and within 24
3. Name ofthe person performing the inspection,
hours of a rain
4. Evidence of indicators of stormwater pollution such as oil
event. 1.0 inch in
sheen, floating or suspended solids or discoloration,
24 hours
S. Indication of visible sediment leaving the site,
6. Description, evidence, and date of corrective actions taken.
(4) Perimeter of
At least once per
If visible sedimentation is found outside site limits, then a record
site
7 calendar days
ofthe following shall be made:
and within 24
1. Actions taken to clean up or stabilize the sediment that has left
hours ofa rain
the site limits,
event, 1.0 inch in
2. Description. evidence, and date ofcorrective actionstaken,and
24 hours
3. An explanation as to the actions taken to control future
releases.
(5) Streams or
At least once per
If the stream or wetland has increased visible sedimentation or a
wetlands onsite
7calendar days
stream has visible increased to raid ity from the construction
or offsite
and within 24
activity, then a record ofthe following shall he made:
(where
hours ofa rain
1. Descriation.evidence and date ofcorrective actionstaken, and
accessible)
event .1.0 inch in
2. Records ofthe required reports to the appropriate Division
24 hours
Regional Office per Part III, Section C, Item (2)(a) of this permit
of this permit.
(6) Ground
Aftereach phase
1. The phase ofgrading (installation of perimeter i
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 thatthe required ground stabilization
measures have been provided within the required
timeframe or an 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 documented in the manner
described:
Item to Document
Documentation Requirements
(a) Each E&SC Measure has been installed
Initial and date each E&SC Measure on a copy
and does not significantly deviate from the
of the approved L&SC Plan or complete, date
locations, dimensions and relative elevations
and sign an inspection report that lists each
shown on the approved E&SC Plan.
E&SC Measure shown on the approved E&SC
Plan. This documentation is required upon the
initial installation of the L&SC Measures or if
the E&SC Measures are modified after initial
installation.
(b) A phase of grading has been completed.
Initial and date a copy ofthe approved E&SC
Plan or complete, date and sign an inspection
report to i nd icate com pletion of the
construction phase.
(c) Ground cover is located and installed
Initial and date a copy ofthe approved E&SC
in accordance with the approved E&SC
Plan or complete, date and sign an inspection
Plan.
report to indicate compliance with approved
ground cover specifications.
(d) The maintenance and repair
Complete, date and sign an inspection report.
requirements for all E&SC Measures
have been performed.
(e) Corrective actions have been taken
Initial and date a copy of the approved E&SC
to E&SC Measures.
Plan or complete, date and sign an inspection
report to indicate the completion of the
corrective action.
2. Additional Documentation
In addition to the E&SC Plan documents above, the following items shall be kept on the
site
and available fora agency inspectors at all times during normal business hours unless the
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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 30 days. 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.
(c) All data used to complete the Notice of Intent and older inspection records shall be
maintained for a period of three years after project completion and made available
upon request. [40 CFR 122.41]
EFFECTIVE: 04/01/,
PART III
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).
(a) 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.
(b) Anticipated bypasses and unanticipated bypasses.
(c) 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 contac
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 Division's Emergency Response personnel at [phone], (800)
858-0368 or [phone].
Occurrence Reporting Timeframes (After Discovery) and Other Requirements
(a) Visible sediment
• Within24hours, an oral orelectronic notification.
deposition in a
• Within 7 calendar days, a reportthat contains a description ofthe
stream or wetland
sediment and actions taken to address the cause ofthe deposition.
Division staff ma waive the requirement fora written report on a
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case -by -case basis.
• If the stream is named on the NC 303(d) list as impaired for sediment -
related causes, the permittee maybe required to perform additional
monitoring, inspections or apply more stringent practices if staff
determine that additional requirements are needed to assure compliance
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with the federal or state impaired -waters conditions.
(b) Oil spills and
• Within 24 hours, an oral or electronic notification. The notification
release of
shall include information about the date, time, nature, volume and
hazardous
location of the spill or release.
substances per Item
11-(c) above
(c) Anticipated
• A report at least ten days before the date ofthe bypass, tf possible.
bypasses [40 CFR
The report shall include an evaluation ofthe anticipated quality and
122,41(1
effect ofthe bypass.
(d)Unanticipated
• Within24hours, an oral or electronic notification.
bypasses [40 CFR
• Within 7 calendar days, a reportthat includes an evaluation ofthe
122.41(1
quality and effect ofthe bypass.
(e)Noncompliance
• Within24hours, an oral orelectronic notification.
with the conditions
• Within 7 calendar days, a reportthat contains a description ofthe
of this permit that
noncompliance, and its causes; the period of noncompliance,
may endanger
including exact dates and times, and if the noncompliance has not
health or the
been corrected, the anticipated time noncompliance is expected to
environment[40
continue; and steps taken or planned to reduce, eliminate, and
CFR 122.41(1)(7)]
prevent reoccurrence of the noncompliance. [40 CFR 122.41(I)(6).
• Division staff may waive the requirement for a written report on a
case -by -case basis.
9
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NCGO 1 SELF -INSPECTION, RECORDKEEPING AND REPORTING I EFFECTIVE: 04/01/19 1
STREAMBANK RESTORE / GEO LIFT CONSTRUCTION
SEQUENCE:
1. PLACE SAND BAG COFFER DAM
2. SET TOE PROTECTION BOULDERS AT ORIGINAL TOE
OF BANK.
3. BACKFILL TO APPROXIMATELY ONE FOOT BELOW
ORIGINAL PROFILE WHERE ARMOR BOULDERS ARE TO
BE PLACED, BACKFILL TO ORIGINAL PROFILE ABOVE
ARMOR LINE.
4. PLACE FOOTER BOULDERS AT BASE OF SLOPE.
5. PLACE NON -WOVEN GEOTEXTILE FILTER FABRIC OR
ENGINEER APPROVED EQUIVALENT FROM TOP OF FILL
TO APPROXIMATELY ONE FOOT ABOVE NORMAL
WATER LEVEL.
6. BEGIN STABILIZATION UTILIZING GEO-LIFTS. SEE
SHEET C-901 FOR DETAIL.
7. SOD MAY BE PLACED ON DISTURBED AREA ABOVE
ARMOR LINE.
8. REMOVE SANDBAG COFFER DAM.
MISCELLANEOUS CONSTRUCTION NOTES:
1. AT THE END OF EACH WORKING DAY, ENSURE THAT
ALL FILTER FABRIC AND/OR MATTING IS IN PLACE
TO ENSURE STABILIZATION.
2. NO STOCKPILING OF MATERIALS OR EQUIPMENT IS TO
TAKE PLACE WITHIN THE BUFFER ZONE.
3. NO FUELING OF EQUIPMENT IS TO TAKE PLACE
WITHIN THE BUFFER ZONE.
4. THE 10 NTU TURBIDITY LIMIT IS NOT TO BE
EXCEEDED AT ANY TIME DURING THE PROJECT.
5. ALL DISTURBANCE DONE WITHIN THE BUFFER ZONE
MUST BE STABILIZED AT THE END OF EACH WORKING
DAY.
6. ALL WORK MUST BE COMPLETED IN THE DRY.
7. PUMP AND SPOIL AREA MUST BE INSPECTED AT THE
END OF EACH WORKING DAY TO INSURE THERE IS
NO SEDIMENT INFILTRATING THE WATERWAY.
8. AFTER LAND DISTURBANCE IS COMPLETED, SEEDING
WILL OCCUR IN NO MORE THAN 7 DAYS FROM
COMPLETION DATE.
9. ALL SEEDING MUST BE IN COMPLIANCE WITH NC EEP
RIPARIAN BUFFER PLANTING GUIDELINES (2004).
10. SILT FENCE ALONG THE BASE OF THE FILL SLOPE
SHOULD BE PLACED HIGH ENOUGH ABOVE THE
WATER SURFACE AS TO NOT BECOME INUNDATED
DURING STORM EVENTS.
PROJECT NOTES:
1. THE PROPOSED WIDTH OF THE STREAM AFTER
RESTORATION IS BASED OFF OF THE NORTH PACOLET
RIVER AT APPROXIMATELY 2000' DOWNSTREAM AND
UPSTREAM OF THE SITE.
2. AFTER WORK IS COMPLETED, PROJECT MUST
MONITORED FOR 18 MONTHS TO ENSURE THE
HAS REACHED A STABLE STATE.
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HEREBY CERTIFY THAT THIS
PLAN AND SPECIFICATION
WAS PREPARED DY ME OR
UNDER MY DIRECT
SUPERVISION AND THAT I AM
A DULY REGISTERED
ARCHITECT OR ENGINEER
UNDER THE LAWS OF THE
STATE OF NORTH CAROLINA
AS SIGNIFIED BY MY HAND
AND SEAL.
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SANDBAG COFFER DAM --
PLACED IN 50' SECTIONS
PLACEMENT OCCURS AT
WORKING AREA
SILT FENCING MUST BE
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15 NOT CURRENTLY UNDER
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JOB NUMBER:
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DATE: 05/ 1 1 /2023
DRAWN BY: JMO
CHECKED BY: DWO
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PROJECT MGR: DWO
GRAPHIC SCALE 1 INCH = 10 FEET SHEET:
C-302 0

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.
3.1'rovide drainage to carry water to a sediment trap or other
suitable outlet.
4.U5e geotextile fabrics in order to improve stability of the
foundation in locations subject to seepage or high water
table.
Steel Post
Wire ties
Maintenance:
I . Per NCG-0 I inspect at least once a week and after
each I 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 topdresslng, with 2 inch stone.
3.Immediately remove all objectionable materials spilled,
washed or tracked onto public roadways.
TEMPORARY GRAVEL CONSTRUCTION ENTRANCE / EXIT
8' Max. Standard Strength fabric with wire fence
G' Max. Extra strength fabric without wire fence
Filter Fabric
Wire Fence
Steel Post
1 8-24"
8" down 4"
forward along
the trench
Wire
Construction:
I . 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 Up510pe 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 15 used, space posts a maximum of 8 feet apart. Supports should be
driven securely into the ground a minimum of 24 inches.
G. Extra strength filter fabric with G foot post spacing does not require a 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 15 critical to silt fence performance.
10. Do not attach filter fabric to existing trees.
51 LT
SACK
SILT FENCE
PUMP D15CHARGE
M U 5T BE AT LEAST
50' EROM TOP
Of BANK
Wire F
24"
Filter Fabric
Mitt:
CROSS SECTION VIEW
Backfill trench
and Compact
thoroughly
Maintenance:
I . Inspect sediment fences at least once a week and after
each I inch or greater 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 a5 necessary to provide
adequate storage volume for the next rain and reduce
pressure on the fence. Take care to avoid undermining the
fence during cleanout5.
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.
TOP OF BANK
WORK AREA
IPUMP
MAINTENANCE PLAN:
I . ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CHECKED FOR STABILITY AND OPERATION FOLLOWING
EVERY RUNOFF -PRODUCING RAINFALL BUT IN NO CASE LESS THAN ONCE EVERY WEEK. ANY NEEDED REPAIRS WILL BE
MADE IMMEDIATELY TO MAINTAIN ALL PRACTICES AS DESIGNED.
2. SEDIMENT WILL BE REMOVED BEHIND THE SEDIMENT FENCE WHEN IT BECOMES ABOUT 0.5' DEEP AT THE FENCE. THE
SEDIMENT FENCE WILL BE REPAIRED AS NECESSARY TO MAINTAIN A BARRIER.
3. ENSURE TEMPORARY SEDIMENT TRAP IS CLEARED ONCE SEDIMENT REACHES CLEANOUT MARK.
4. ALL SEEDED AREAS WILL BE FERTILIZED, RESEEDED AS NECESSARY ACCORDING TO SPECIFICATIONS IN THE
VEG-ETATIVE PLAN TO MAINTAIN A VIGOROUS, DENSE, VEGETATIVE COVER.
GENERAL NOTES:
I . ONLY DISTURB CLEAR OR GRADE AREAS NECESSARY FOR CONSTRUCTION. FLAG OR OTHERWISE DELINEATE AREAS
NOT TO BE DISTURBED. EXCLUDE VEHICLES AND CONSTRUCTION EQUIPMENT FROM THESE AREAS TO PRESERVE
NATURAL VEGETATION.
2. CLEAR AND GRUB AREAS TO BE FILLED TO REMOVE TREES, VEGETATION, MUCK, ROOTS, OR OTHER OBJECTIONABLE
MATERIAL THAT WOULD AFFECT THE PLANTED STABILITY OF THE FILL.
3. PLACE FILL IN LAYERS NOT TO EXCEED G" IN THICKNESS AND COMPACT THE LAYERS AS REQUIRED TO TO REDUCE
EROSION, SLIPPAGE, SETTLEMENT, OR OTHER RELATED PROBLEMS.
4. KEEP DIVERSIONS AND CHANNELS AND OTHER WATER CONVEYANCE MEASURES FREE OF SEDIMENT AT ALL TIMES.
5. ROUGHEN THE SURFACE OF ALL SLOPES DURING THE CONSTRUCTION OPERATION TO RETAIN WATER, INCREASE
INFILTRATION, AND FACILITATE VEGETATION ESTABLISHMENT.
G. PERMANENTLY STABILIZE ALL GRADED AREAS IMMEDIATELY AFTER FINAL GRADING IS COMPLETED ON EACH AREA.
APPLY TEMPORARY MEASURES ON ALL GRADED AREAS WHEN WORK IS TO BE INTERRUPTED OR DELAYED FOR 15
WORKING DAYS OR 90 CALENDAR DAYS.
STREAM BANK
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SLOPE TO BASE OF RIPRAP
RI PRAP
24" MINIMUM NOMINAL SIZE
TEMPORARY SANDBAG COFFER DAM
- EXISTING
CHANNEL BOTTOM
SECTION A -A
A -A
A -A
_ WORK AREA LENGTH _
50' SECTIONS AT A TIME
WATER LEVEL
TEMPORARY SANDBAG COFFER DAM
TEMPORARY SANDBAG C01=FER DAM
TEMPORARY SEEDING RECOMMENDATIONS
FOR LATE WINTER AND EARLY SPRING
Seeding Mixture
Species Rate (Ib/acre)
2
JOB NUMBER:
23085
Rye (gram) 0
TEMPORARY SEEDING RECOMMENDATIONS FOR SUMMER
TEMPORARY SEEDING RECOMMENDATIONS FOR FALL
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Annual lespedeza (Kobe in 50
Piedmont and Coastal Plain,
Seeding Mixture
Seeding Mixture
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Species Rate (lb/acre)
Species Rate (Ib/acre)
Omit annual lespedeza when duration of temporary cover is not to
German millet 40
Rye (grain) 120
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extend beyond June.
In the Piedmont and Mountains, a small -stemmed 5udangra55 may be
substituted at a rate of 50 Ib/acre.
Seeding Dates
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Seeding Dates
Mountams-Aug. 15 - Dec. 15
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Mountains -Above 2500 feet: Feb. 15 - May 1 5
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Seeclin Dates
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Coastal Plain and Piedmont -Aug. 1 5- Dec. 3 1
Below 2500 feet: Feb. I - May I
Mountains -May 15 - Aug. 15
Mulch
Piedmont -Jan. I - May I
Coastal Plain -Dec. I - Apr. 15
Piedmont -May I - Aug. 15
Coastal Plain -Apr. 15 - Aug. 15
Apply 4,000 Ib/acre straw. Anchor straw by tacking with asphalt, netting,
or a mulch anchoring tool. A disk with blades set nearly straight can be
Mulch
Mulch
used as a mulch anchoring tool.
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt, netting,
Apply 4,000 Ib/acre straw. Anchor straw by tacking with asphalt, netting, or a
or a mulch anchoring tool. A disk with blades set nearly straight can be
mulch anchoring tool. A disk with blades set nearly straight can be used as a
Maintenance
used as a mulch anchoring tool.
mulch anchoring tool.
Repair and refertilize damaged areas immediately. Topdress with 50
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Ib/acre of nitrogen in March. If it is necessary to extend temporary
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Maintenance
Maintenance
cover beyond June 15, overseed with 50 Ib/acre Kobe (Piedmont and
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Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
Refertilize if growth is not fully adequate. Reseed, refertilize and mulch
Coastal Plain) or Korean (Mountains) lespedeza in late February or
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immediately following erosion or other damage.
immediately following erosion or other damage.
early March.
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LIMING- Apply lime according to 5011 test recommendations. If the pH (acidity) of the 501115 not known, an application of ground agricultural Ilmestone at the rate
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of I - 12 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
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top 4-G inches of 5011. Soils with a pH of G or higher need not be limed.
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FERTILIZER- Base application rates on soil tests. When these are not possible, apply a 1 0- 1 0- 10 grade fertilizer at 700- 1,000 Ib/acre. Both fertilizer and lime
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should be incorporated into the top 4-G inches of 5011. If a hydraulic seeder 15 used, do not MIX seed and fertilizer more than 30 minutes before application.
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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
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finished grade shall be a smooth even 5011 surface with a loosen uniformly fine texture. All ridges and depressions shall be removed and filled to provide the
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NON-INVASIVE PERMANENT SEEDING RECOMMENDATIONS FOR
LATE WINTER AND EARLY SPRING NON-INVASIVE PERMANENT SEEDING
SEEDING MIXTURE
Species Rate
Centipede 5lb5/acre
Indian Woodoats 1 .5-2.5 Ibs/acre*
Virginia Wild Rye 4-G Ibs/acre*
*Depending upon mix with other species. See table G. I I .d
from Chapter G of the NC Erosion and Sediment Control
Planning and Design Manual.
Seeding Dates
Coastal or Eastern Piedmont for Centipede- Sept. I - May I
Coastal and Piedmont for Indian Woodoats and Virginia Wild Rye -
Feb 15 - April I
Mountains for Indian Woodoats and Virginia Wild Rye- March I May 15
Maintenance:
Significant maintenance may be required to obtain desired
cover once centipede is planted. Acceptable for sodding.
RECOMMENDATIONS FOR SUMMER
SEEDING MIXTURE
Species Rate
Indian Woodoats 1 .5-2.5
Ibs/acre*
Virginia Wild Rye 4-G Ibs/acre*
*Depending upon mix with other species.
See table G. I I .d from Chapter G 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.
NON-INVASIVE PERMANENT SEEDING
RECOMMENDATIONS FOR FALL
SEEDING MIXTURE
Species Rate
hard Fescue 15 Ibs/acre
Switchgrass 2.5-3.5lb5/acre*
Indian Grass 5-7 Ibs/acre*
Big Blue5tCri Ibs/acre*
Indian Woodoats 1 .5-2.5 Ibs/acre*
Virginia Wild Rye 4-G Ibs/acre*
*Depending upon mix with other species. See table G. I I .d from
Chapter G of the NC Erosion and Sediment Control Planning and
Design Manual.
Seeding Dates
Mountains- Hard Fescue- Aug I -June I
Mountains- Switchgrass, Indian Grass, Big Bluestem- Dec I - April 15
Piedmont and Coastal- Switchgrass, Indian Grass, Big Bluestem- Dec
1 - April I
Coastal- Indian Woodoats and Virginia Wild Rye- Sept I - Nov I
Maintenance:
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 I to I z tons/acre on coarse -textured
soils and 2-3 tons/acre on fine -textured soils 15 usually sufficient. Apply limestone uniformly and incorporate into the top 4-G inches of soil. Soils with a pH of G or higher need not be limed.
FERTILIZER- Base application rates on soil tests. When these are not possible, apply a 1 0- 1 0- 10 grade fertilizer at 700- 1 ,000 lb/acre. Both fertilizer and lime should be incorporated into the top 4-G
inches of soil. If a hydraulic seeder 15 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 15 completed.
NOTES:
I . Permanent seeding, sodding or other means of stabilization are required when all construction work is completed according to the NPDES timeframe'5 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
10©©O©E
I HEREBY CERTIFY THAT THIS
PLAN AND SPECIFICATION
WAS PREPARED BY ME OR
UNDER MY DIRECT
SUPERVISION AND THAT I AM
A DULY REGISTERED
ARCHITECT OR ENGINEER
UNDER THE LAWS OF THE
STATE OF NORTH CAROLINA
AS SIGNIFIED BY MY HAND
AND SEAL.
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DATE: 05/ 1 1 /2023
DRAWN BY: JMO
CHECKED BY: DWO
PROJECT MGR: DWO
SHEET:
C-900 0

JOB NUMBER:
23085
RESTORE DISTURBER AREA
WITH TOPSOIL, SEEDING, 1 N N
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I HEREBY CERTIFY THAT THIS
PLAN AND SPECIFICATION
FOOTER BOULDERS WOOD EXTENDS IN TO THE BANK WAS PREPARED BY ME OR
4' TO 6' MINIMUM WOOD STAKE UNDER MY DIRECT
SUPERVISION AND THAT I AM
A DULY REGISTERED
GENERAL NOTE: STAKES MAY BE ARCHITECT OR ENGINEER
MADE BY SAWING A 211X411 UNDER THE LAWS OF THE
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J-HOOK
DATE: 05/ 1 1 /2023
DRAWN BY: JMO
CHECKED BY: DWO
PROJECT MGR: DWO
SHEET:
C-901

JOB NUMBER:
23085
RECOMMENDED RIPARIAN SPECIES;
BARE ROOT, AT LEAST 1 TO 3—GALLON SIZE
• BUTTONBUSH (CEPHALATHUS ACCIDENTALIS)
• SILKY DOGWOOD (CORNUS AMAMUM)
NOTE:
FERTILIZER MUST NOT BE USED WITHIN THE
TROUT BUFFER ZONE.
RIPARIAN BUFFER SEEDING
SUMMER (May 15 — Aug 15)
INDIANGRASS (Sorgastrum nutans) 15 Ib/ac
LITTLE BLUESTEM (Schizachyrium scoparium) 15 Ib/ac
FALL (Aug 15 — Dec 15)
VIRGINIA WILDRYE (Elymus virginicus) 15 Ib/ac
WINTER/EARLY SPRING (Feb 1 — May 15)
VIRGINIA WILDRYE (Elymus virginicus) 15 Ib/ac
WETLAND
SHALLOW SEDGE (Carex lurida) 10 Ib/ac
Lime
Straw
2000 Ib/ac
4000 Ib/ac
TEMPORARY SEEDING
WINTER/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
SOIL AMENDMENTS
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000
LB/ACRE GROUND
AGRICULTURAL LIMESTONE AND 750 LB/ACRE 10-10-10
FERTILIZER.
FERTILIZER MUST NOT BE USED WITHIN THE TROUT BUFFER
ZONE.
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.
SUMMER SEEDING MIXTURE
SPECIES RATE (LB/ACRE)
GERMAN MILLET 40
IN THE PIEDMONT AND MOUNTAINS, A SMALL -STEMMED
SUDANGRASS MAY BE SUBSTITUTED AT A RATE OF 50 LB/ACRE.
SEEDING DATES
MOUNTAINS -MAY 15 - AUG. 15
PIEDMONT -MAY 1 - AUG. 15
COASTAL PLAIN APR. 15 - AUG. 15
SOIL AMENDMENTS
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000
LB/ACRE GROUND
AGRICULTURAL LIMESTONE AND 750 LB/ACRE 10-10-10
FERTILIZER.
FERTILIZER MUST NOT BE USED WITHIN THE TROUT BUFFER
ZONE.
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.
FALL SEEDING MIXTURE
SPECIES RATE (LB/ACRE)
RYE (GRAIN) 120
SEEDING DATES
MOUNTAINS-AUG. 15 - DEC. 15
COASTAL PLAIN AND PIEDMONT AUG. 15 - DEC. 30
SOIL AMENDMENTS
FOLLOW SOIL TESTS OR APPLY 2,000 LB/ACRE GROUND
AGRICULTURAL LIMESTONE
AND 1,000 LB/ACRE 10-10-10 FERTILIZER.
FERTILIZER MUST NOT BE USED WITHIN THE TROUT BUFFER
ZONE.
MULCH
APPLY 4,000 LB/ACRE STRAW. ANCHOR STRAW BY TACKING
WITH ASPHALT, NETTING,
OR A MULCH ANCHORING TOOL. A DISK WITH BLADES SET
NEARLY STRAIGHT CAN BE
USED AS A MULCH ANCHORING TOOL.
MAINTENANCE
REPAIR AND REFERTILIZE DAMAGED AREAS IMMEDIATELY.
TOPDRESS WITH 50
LB/ACRE OF NITROGEN IN MARCH. IF IT IS NECESSARY TO
EXTENT TEMPORARY
COVER BEYOND JUNE 15, OVERSEED WITH 50 LB/ACRE KOBE
(PIEDMONT AND
COASTAL PLAIN) OR KOREAN (MOUNTAINS) LESPEDEZA IN LATE
FEBRUARY OR
EARLY MARCH.
PERMANENT SEEDING
AREAS TO BE SEEDED:
-TILL OR DISC THE PREPARED AREAS TO BE SEEDED TO A
MINIMUM DEPTH OF FOUR (4) INCHES. REMOVE STONES
LARGER THAN THREE (3) INCHES ON ANY SIDE, STICKS,
ROOTS AND OTHER EXTRANEOUS MATERIALS THAT
SURFACE. IF NOT INCORPORATED DURING THE SOIL
PREPARATION PROCESS, ADD PH MODIFIER AND
FERTILIZERS AT THE RATE SPECIFIED IN THE SOIL TEST
REPORT.
• RE -COMPACT THE AREA UTILIZING A CULTIPACKER ROLLER.
THE FINISHED GRADE SHALL BE A SMOOTH EVEN SOIL
SURFACE WITH A LOOSE, UNIFORMLY FINE TEXTURE. ALL
RIDGES AND DEPRESSIONS SHALL BE REMOVED AND
FILLED TO PROVIDE THE APPROVED SURFACE DRAINAGE.
SEEDING OF GRADED AREAS IS TO BE DONE IMMEDIATELY
AFTER FINISHED GRADES ARE OBTAINED AND SEEDBED
PREPARATION IS COMPLETED.
AREAS TO BE SPRIGGED. SODDED. AND/OR PLANTED:
• AT THE TIME OF PLANTING TILL OR DISC THE PREPARED
AREAS TO A DEPTH OF FOUR (4) TO SIX (6) INCHES
BELOW THE APPROVED FINISHED GRADE. REMOVE ALL
STONESLARGER THAN THREE (3) INCHES ON ANY SIDE,
STICKS, ROOTS AND OTHER EXTRANEOUS MATERIALS THAT
SURFACE. IF NOT INCORPORATED IN THE RIPPING
PROCESS, ADD PH MODIFIER, FERTILIZER, AND OTHER
RECOMMENDED SOIL AMENDMENTS.
• RE -COMPACT THE AREA UTILIZING A CULTIPACKER ROLLER
AND PREPARE FINAL GRADES AS DESCRIBED ABOVE.
INSTALL SPRIGS, SOD AND PLANTS AS DIRECTED
IMMEDIATELY AFTER FINE GRADING IS COMPLETE. MULCH,
MAT AND/OR TACK AS SPECIFIED.
GRASS -LINED CHANNELS
KY 31 TALL FESCUE 100 LB/AC
KENTUCKY BLUEGRASS 15 LB/AC
RYE (GRAIN) 40 LB/AC
LIME 4000 LB/AC
10-10-10 FERTILIZER 1200 LB/AC
STRAW 4000 LB/AC
ALL OTHER SURFACES
K 31 TALL FESCUE
100 LB/AC
SERICA LESPEDEZA
15 LB/AC
KOBE LESPEDEZA
10 LB/AC
RYE (GRAIN)
40 LB/AC
LIME
4000 LB/AC
10-10-10 FERTILIZER
1000 LB/AC
STRAW
4000 LB/AC
NOTE: FERTILIZER MUST NOT BE USED WITHIN THE TROUT
BUFFER ZONE.
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 this
Site Area Description
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 than
If slopes are 10' or less in length and are
3:1
7
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,
(e) Areas with slopes
ditches, 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 or
other mulches and tackifiers
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 covered
• Plastic sheeting
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
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PLAN AND SPECIFICATION
WAS PREPARED BY ME OR
UNDER MY DIRECT
SUPERVISION AND THAT I AM
A DULY REGISTERED
ARCHITECT OR ENGINEER
UNDER THE LAWS OF THE
STATE OF NORTH CAROLINA
AS SIGNIFIED BY MY HAND
AND SEAL.
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DATE: 05/ 1 1 /2023
DRAWN BY: JMO
CHECKED BY: DWO
PROJECT MISR: DWO
SHEET:
C-902