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TOTAL ACRES = 82.D5 ACRES
TOTAL DISTURBED ACRES = 44.64 ACRES
EROSION 8 SEDIMENTATION LEGEND
SITE CONSTRUCTION LIMITS
• -- • -
LIMITS OF OISNRBANCE
—X —
SILT FENCE
inSTABILIZED
CONSTRUCTION ENTRANCE
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INLET PROTECTION
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SILT FENCE ROCK OUTLET PROTECTION
CONSTRUCTION SEQUENCE
1. OBTAIN GRADING PERMIT.
2 SET UP PRE -CONSTRUCTION CONFERENCE ON SITE WITH EROSION CONTROL INSPECTOR
TO DISCUSS EROSION CONTROL MEASURES.
3, INSTALL STABILIZED CONSTRUCTION ENTRANCES. SILT FENCE AND INLET PROTECTION AS
LOTS BECOME ACTIVE. ALL EROSION CONTROL MEASURES SHAI1 BE CONSTRUCTED IN
ACCORDANCE WITH THE NCDENR-DMSIDN OF LAND HESOURCES STANCARDS AND
SPECUTCAMONS.
A.
WNNTNN EROSION CONTROL MEASURES THROUGHOUT CONSTRUCTION.
5. PERFORM SELF INSPECTIONS WEEKLY, FOLLOWING 1.0 INCH OF RAN AND AFOM
ESTABUSHMENT OF TEMPORARY GROUND COVER. INSPECTIONS TO CONTINUE UNTIL THE
COMPLETION OF CCNSTRUCBON AND PERMANENT GROUND COVER SUFFICIENT TO RESTRAIN
EROSION HAS
HEIN rSTAEIJSHED,
S. REGIN CLFARENG AND GRUBBING INCLUDING THE REMOVAL OF THE EXISTING SOIL
CKPILE STOAND RLIACATTON TO THE FILL AREA
7. BEGIN VERTICAL CONSTRUCTION.
B. STABIIJZE SITE AS AREAS ARE BROUGHT TD FINISH GRACE.
B. UPON COMPLETION OF CONSTRUCTION AND THE ESTABLISHMENT OF PERMANENT
VEGETATION AND APPROVAL BY THE APPROPRIA7E AUTHORITY, REMOVE TIEUPORARY
EROSION CONTROL MEASURES.
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TYPICAL LOT ERCSION CONTROL DETAIL
HOMEBUILDING
PURPOSES ONLY
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GENERAL NOTES
1, INDrADUAL LOTS WILL BE WRAPPED WITH SILT FENCE WHEN ACTNE W ADJACENT LOT IS
BEING DISTURBED SIMULTANEOUSLY. SILT FENCE MAY BE INSTALLED AT THE LIMITS OF
THE ENTIRE DISTURBED AREA AS LONG AS THE AREA TOTALS LESS THAN ONE ACRE
2. ALL DRAINAGE EASFIAENTS SHALL REMAIN CLEAR FROM ANY CONSTRUCTION.
3. DISTURBANCE LIMNS SHALL NOT ENCROACH IN THEE COVERAGE AREAS. DISTURBANCE
LIMITS ARE AT LIMAS OF GRADING.
4. ANY AREAS ON SITE THAT ARE SLOPED AT 3:1 OR STEEPER, CONTRACTOR IS TO USE
APPROVED GEOTDBLE FABRIC MATTING TO STMIIRE SLOPE CONTRACTOR TO CONTACT
ENGINEER TO DISCUSS OTHER APPROVED MEBNOOS
5. NO MORE THAN ONE CONTIGUOUS ACRE WILL BE DISTURBED AT ANY GIVEN TIME.
6. ANY III MATERIAL MUST COME FROM A PERMITTED SITE OR WASTE MATERIAL MUST
GO TO A PERMITTED SITE OR BE AN EifENSICN OF THIS SITE.
7. IF THE SAME PERSON CONDUCTS THE LAND DISTURBING AI AND ANY RELATED
BORROW OR WASTE ACTMTY, THE RELATED 80RHOW OR WASTE ACTIVITY SHALL
CONSTITUTE PART OF THE LAND --DISTURBING ACTIVITY UNLESS THE BORROW OR WASTE
ACINLIY IS REGULATED BY THE DIVISION OF WASTE MANAGEMENT. IF THE
LAND-01STURUING ACRVBY AND ANY RELATED BORROW OR WASTE ACTIVITY ME NOT
CONDUCTED ITf THE SAME PERSON, THEY SHALL BE CON51DERED SEPERATE
LAND-DISTURDING ACTVTFES AND MUST BE PERMITTED EFIN THROUGH THE
SEOIMENEATTIN PDLI,1TT10N CONTROL ACT AS A ONE -USE BORROW SITE OR THROUGH THE
MINING ACT.
8. OBEYED OUT AREAS AND EROSION AND SEDIMENT CUNFROLS SHOWN WITHIN GHEYEC) OUT
AREAS ME NOT 1NTENDM TO BE A PART OF THIS PLAN AND ME SHOWN FOR
REFERENCE" ONLY, WITH THE EXCEFTTDN OF INLET PRUTECTIONS WITHIN STREETS.
EROSION CONTROL MAINTENANCE SCHEDULE:
1. ALL EROSION AND SEDIMENT CONTROL OEVICES SHALL BE PROPERLY MAINTAINED DURING AIL PHASES
OF CONSTRUCTION UNTIL THE COMPLETION OF ALL CONSTRUCTION ACTIVITIES AND ALL DISTURBED AREAS
HAVE BEEN STABILIZED. ADDITIONAL CONTROL MEASURES WILL BE INSTALLED DURING DONS" UCRCN IN
ORDER TO CONTROL EROSION AND/OR OFF SHE SEDIMENTATION IF DEEMED NECESSARY BY ON -SITE
INSPECTION.
2 ALL SEDIMENT AND EROSION CONTROL DEVICES SHALL BE INSPECTED AT LE45T ONCE EVERY SEVEN (7)
CALENDAR DAYS AND AFTER ANY STORM EVENT GREATER THAN 0.5 INCHES OF PREMPIFADON DURING
ANY 24-HOLR PERIOD, AND THE INSPECTION SMALL BE DOCUMENTED IN WRITING. DAMAGED OR
INEFFECTIVE DENCES SHALL BE REPAIRED OR REPLACED, AS NECESSMT'.
3. A SELF -INSPECTION MUST RE MADE OF THE PROJECT AFTER EACH PHASE OF THE PROJECT, AND THE
INSPECTOR SRALL RF DOCUMENTED IN WRITING, THIS SELF -INSPECTION WILL BE PERITORMM W
ADDITION TO THE NPDES SELF -MONITORING REPORT REQUIRED BY THE GENERAL PERMIT DESCRIBED
ABOVE
4. SEDIMENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN IT REACHES HALF CAPACBY OF
THE FENCE THE SEDIMENT FENCE WILL BE REPAIRED AS NECESSARY TO MAINTAIN A BARRIER.
5. ALL SEEDED AREAS WILL BE FERHLIZEG, RESEIDEG AS NECESSARY, MO MULCHED ACCORDING TO
SPECIFICATIONS IN THE VEGETATIVE PLAN TO MANTAIN A VIGOROUS, DENSE VEGETATIVE COVER.
6. AFTER CONSTRUCTION, THE DEVELOPER WILL MAINTAIN ALL PERMANENT EROSION CONTROL DEYCES IN
MOM TO PREVENT ACCELERATED EROSION.
7. SILT FENCE OUTLEIS WILL BE ADOEP ALONG THE SILT FENCE AT ALL LOW POINTS AS NEED BASED ON
FELA CONDITIONS. CONTRACTOR TO DETERMINE LDCATONS AS NEEDED,
S. INDIVIDUAL LOTS WILL BE WRAPPED WBH SILT FENCE WHEN ACTivE. IF ADJACENT LOTS ARE BEING
DISTURBED AT THE SAME TIME, THE ENTIRE CISTURBED AREA WILL BE WRAPPED WITH SILT FENCE AS
LONG AS THE DISTURBED ACREAGE TOTALS LESS THAN ONE CONTIGUOUS ACRE
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KEY MAP - NTS
HOMEBUILDING
PURPOSES ONLY
TOTAL ACRES = 82.05 ACRES
TOTAL DISTURBED ACRES - 44.64 ACRES
TYPICAL LOT EROSION CONTRUL DETAIL
MATCH LINE
SHEET 1 OF 5
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EROSION CONTROL MAINTENANCE SCHEDULE:
1. ALL END ON AND SEDIMENT CONTROL UEVICES SHALL BE PROPERLY MM14TAJHED DURING ALL
PHASES OF CONSTRUCTION UNTIL THE COMPLETION OF ALL CONSTRUCTION ACIIVItIES AND ALL
DISTURBED AREAS HAVE BEEN SfARIUZED. ADOIIICNAL CONTROL MEASURES WILL BE INSTALLED
DURING CONSTRUCTION IN ORDER TO CONTROL EROSION AND/OR OFF SITE SEDIMENTATION IF
GEMMED NECESSARY I3Y ON -SITE INSPECTION .
2. ALL SEDIMENT AND EHOSICN CONTROL CEVICCS SMALL BE INSPECTED AT LEAST ONCE EVERY SEVEN
(» CALENDAR DAYS AND Al ER ANY STORM EVENT GREATER THAN 0.5 INCHES OF PRECIPITATION
DURING ANY 24-HOLR PERIOD, AND THE INSPECTION SMALL BE DOCUMENTED IN WRITING. DAMAGED
OR INEFTTCBVE DEVICES SHAH BE REPAIRED OR REPLACED. AS NECESSARY.
3. A SELF -INSPECTION MLST BE MADE DF THE PROJECT AFTER EACH PHASE CF THE PRRIECT, AND
THE INSPECTON SHALL RE DOCUMENTED IN WRITING. THIS SELF -INSPECTION WILL HE PERFORMED
N ADDITION TO THE NPOES SELF-MONITUMNG REPORT REQUIRED BY THE GENERAL PERMIT
DESCRIEE➢ ABOVE.
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4. SEDIM ENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN IT REACHES HALF
CAPACITY OF THEFENCE.THE SEDIMENT FENCE WILL BE REPAIRED AS NECESSARY TO AWNTAIN A
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BARRIER.
5. ALL SEEDED AREAS WILL BE FERTILIZED, RESEEDED AS NECESr , AND MULCHED ACCURCING TO
SPECIFICATIONS IN THE VEGETATIVE PLAN TO MAINTAIN A VIGOROUS. DENSE VEGETATIVE COVER.
E. AFTER CONSTRUCTION, THE DEVELOPER WILL MAINTAIN ALL PERMANENT LRCSIDN CONTROL DEVICES
IN ORDER TD PREVENT ACCELERATEDEROSION.
7, SILT FENCE OUTETS WILL BE ADDED ALONG THE SILT FENCE AT ALL FEW MINTS AS NEEDED
BASED CN FIELD CONDITIONS. CGKTRAC70R TO DETERMINE LOCATIONS AS NEEDED.
S. INDIVIDUAL LOTS WILL BE WRAP PED WITH SILT FENCE WHEN ACTIVE. IF Ap,IACENT LOTS ARE SEND
DISTURBED AT THE SAME TIME, THE ENTIRE DISTURBED AREA WILL BE WRAPPED WITH SILT FENCE
AS LUNG AS THE DISTURBED ACREAGE TOTALS LESS THAN ONE CONTIGUOUS ACRE.
GENERAL NOTES
I. INDIVIDUAL LOTS WILL BE WRAPPED WITH SILT FENCE WHEN ACTIVE IF ADJACENT LOT IS BEING
DISTURBED SMULTANECUSLY, SILT FENCE MAY BE INSTALLED AT ME LIMNS OF THE ENTIRE
DISTURBED AREA AS LCNC AS THE AREA TOTALS LESS THAN ONE ACRE
2. ALLDRAINAGE EASEMENTS SALT. REMAIN CLEAR FRO M ANY CONSIRJCTION.
3V DIMERANCE LIMITS SMALL NOT ENCROACH IN TREE COVERAGE AREAS. DISTURBANCE LIMITS ARE AT
LIMITSOF GRADING,
k. ANY AREAS DIN SITE THAT ARE SLOPED AT 3t1 OR STEEPER, CONTRACTOR IS TD USE APPROVED
GEOTEXGLE FAMIC MAITNG TO STAHILZE SLOPE. CONTRACTOR TO CONTACT ENGNEER NI CISCUSS
OTHER APPROVED MEMUDS.
S. NO MONE THAN ONE CONTIGUOUS ACRE WILL BE DISTURBED AT ANY OVEN TIME.
6. ANY UORRCW MATERIAL MUST COME FROM A PERMITTED SITE OR WASTE MATERIAL MUST GO TO A
PERMITTED SITE DR BE AN D(7ENSIDN Cr THIS SITE
7. IF THE SAME PERSON CONDUCTS THE LAND-DISTURUING ACTIVITY AND ANY RELATED EURROW OR
WASTE ALTVITY, THE RELATED BORROW OR WASTE ACTIVITY SHALL CONSTITUTE PART OF THE
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LAND -DISTURBING ACTIVITY UNLESS THE BORROW OR WASTE ACTIVITY IS REGULATED BY THE DMSICN
OF WASTE MANAGEMENT. IF THE LAND-DISTUREING ACTIVITY AND ANY RELATED BORROW OR WASTE
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ACTIVITY AGE NOT CONDUCTED BY THE SAME PERSON, THEY SHALL BE CONSIDEIim SEPERATE
LANO-DISTURBING ACTIVITIES AND MUST BE PERMITTED EITHER THROUGH THE SEDIMENTATION
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POLLUTION CONTROL ACT AS A ONE USE BORROW SITE OR THROUGH THE MINING ACT.
CONSTRUCTION SEQUENCE
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1. OBTAIN GRACING PERMIT.
2 SET UP PRE-CUNSFHUCDDN CONFERENCE ON SITE WITH EROSION CONTROL INSPECTOR 70
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DISCUSS EROSION CONTROL MEASURES.
3. INSTALL STABILIZED CONSTRUCTION ENTRANCES. SILT FENCE AND INLET PROTECTCN AS LUIS
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BECOME ACTIVE. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH
THE NCOENR-DIVISION OF LAND RESOURCES STANDARDS AND SPECIRCATIONB.
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4. MAINTAIN EROSION CONTROL MEASURES 7HROUGHOUT CONSTRUCTI _
$ PERFORM BEEF,INSPECTIONS AND OFCONSIRUCRON
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TEMPORARY NSPECTIONS CCNTINUE UNTIL THECOMPLETIONAROFSHMENT
ROUND COVER. I
TO EROSICN HAS BEEN ESTABLISHED.
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AND PERMANENT GROUND COVER SUFFICIENT RESTRAIN
6. BEGIN CLEARING AND GRUBBING INCLUDING THE REMOVAL OF THE EXISTING SOIL STCCOPITE AND
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RELOCATION TO THE FILL AREA
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B. STA51LZE SITE AS AREAS ARE BROUGHT TO FINISH GRADE
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G. UPON COMPLETION OF CONSTRUCTION AND THE ESTABUSHMENT OF PERMANENT VEGETATION AND
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APPROVAL BY THE APPROPRIATE AUTHORITY, REMOVE TEMPORARYEROSION CONTROL MEASURES.
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EROSION & SEDIMENTATION LEGEND
SITE CONSTRUCTION LIMITS
• • —
LIMITS OF DISTURBANCE
—; —
SILT FENCE
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STABILIZED CONSTRUCTION ENTRANCE
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INLET PROTECTION
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SILT FENCE ROCK OIALET PROTECTION
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I GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH I
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: Afterthe 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
i Permanent Stabilization
• Temporary grass seed covered with straw or
I • Permanent grass seed covered with straw or
other mulches and tackifiers
other mulches and tackifiers
• Hydroseeding
• G eotextile fabrics such as permanent soil
• Rolled erosion control products with or
i reinforcement matting
without temporary grass seed
• Hydroseeding
• Appropriately applied straw or other mulch
• Shrubs orother 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 zrass seed
POLYACRYLAMIDES (PAMS) AND FLOCCULANTS
I. Select flocculants that are appropriate for the soils being exposed during
construction, selecting from the NC DWR List of Approved PAMS/Flocculants.
2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures.
3. Apply flocculants at the concentrations specified in the NC DWR List of Approved
PAMS/Flocculants and in accordance with the manufacturer's instructions.
4. Provide ponding area for containment of treated Stormwater before discharging
offs ite.
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.
S. 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. Preventthe discharge of soaps, solvents, detergents and other liquid wastes from
construction sites.
PORTABLE TOILETS
1. Install portable toilets an level ground, at least 50 feet away from storm drains,
streams or wetlands unless there is no alternative reasonably available. If 50 foot
offset is not attainable, provide relocation of portable toilet behind silt fence or place
on a gravel pad and surround with sand bags.
2. Provide staking or anchoring of portable toilets during periods of high winds or in high
foot traffic areas.
3. Monitor portable toilets for leaking and properly dispose of any leaked material.
Utilize a licensed sanitary waste hauler to remove leaking portable toilets and replace
with properly operating unit.
EARTHEN STOCKPILE MANAGEMENT
1. Show stockpile locations on plans. Locate earthen -material stockpile areas at least
50 feet away from storm drain inlets, sediment basins, perimeter sediment controls
and surface waters unless it can be shown no other alternatives are reasonably
available.
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of
five feet from the toe of stockpile.
3. Provide stable stone access point when feasible.
4. Stabilize stockpile within the timeframes provided on this sheet and in accordance
with the approved plan and any additional requirements. Soil stabilization is defined
as vegetative, physical or chemical coverage techniques that will restrain accelerated
erosion on disturbed soils for temporary or permanent control needs.
.4 NORTH CAROLINA
f, Environmental Quality
ONSITE CONCRETE WASHOUT
STRUCTURE WITH LINER
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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 inlet(s) closest to the washout which could receive
spills or overflow,
7. Locate washouts in an easily accessible area, on level ground and install a stone
entrance pad in front of the washout. Additional controls may be required by the
approving authority.
S. 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.
HERBICIDE5, 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 ground.
NCGO I GROUND STABILIZATION AND MATERIALS HANDLING I EFFECTIVE: 04/01/19 1
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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
(daring 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 -pay rainfall information is
order
available, record the cumulative min 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 -monitoring device
approved bythe Division.
(2) E&SC
At least onre per
1. Identification ofthe measures inspected,
Measures
7 calendar days
2. Date and time of the inspection,
and within 24
3. Name of the person performing the Inspection,
hours of a rain
4. Indication of whether the measures were operating
event? 1.0 inch in
properly,
24 hours
5. Description of maintenance neods for the measure,
6. Description, evidence, and date of carrertive actions taken.
(3) Stormwater
At least once per
1. Identification ofthe discharge autfalls €nspected,
discharge
7 calendar days
2. Date and time of the inspection,
outfalls (SOOs)
and within 24
3. Name ofthe person performing the inspection,
hours of a rain
4. Evidence of indicators of stormwater pollution such as oft
event a 1-0 inch in
sheen, floating or suspended solids or discoloration,
24 hours
5. 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
of the following shall be made;
and within 24
1. Actions taken to cleanup or stabilize the sediment that has left
hours of a rain
the site limits,
event> 1-0 inch in
2. Description, evidence, and date of corrective actions taken, and
24 hours
3. An explanation as to the actions taken to control future
releases.
(S) streams or
At least once per
Ifthe stream or wetland has increased visible sedimentation or a
wetlands onsite
7 calendar days
stream has visible increased turbidity from the construction
or offsite
and within 24
activity, then a record of the fonoanng shall be made:
(where
hours of a rain
1. Description, evidence and date of corrective actions taken, and
accessible)
event a 1.0 inch in
2. Records of the required reportsto the appropriate Division
24 hours
Regional Office per Part III, Section C, Item (2)(a) of this permit
of this permit.
(6) Ground
After each phase
1. The phase ofgrading (installation of perimeter E&SC
stabilization
ofgrading
measures, clearing and grubbing, installation ofstorm
measures
drainage Facilities, completion of all land -disturbing
activity, construction or redevelopment, permanent
ground cover).
2. Documentation that the required ground stabilization
measures have been provided within the required
t€meframe or an assurance thatthey will be provided as
soon as possible.
NOTE: The rain inspection resets the required 7 calendar day inspection requirement.
NORTH CAROLINA
I.- IR Environmental Qua[itp
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 I 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 E&SC Plan or complete, date
locations, dimensions and relative elevations and sign an inspection report that lists each
shown on the approved E&SC Pian. E&SC Measure shown on the approved E&SC
Plan. This documentation is required upon the
initial installation of the E&SC Measures or If
the E&SC Measures are modified after initial
installation.
(b) A phase ofgrading has been completed.
Initial and date a copy ofthe approved E&SC
Plan or complete, date and sign an inspection
report to indicate completion of the
construction phase.
(c) Ground cover is located and installed Initial and date a copy of the 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 ofthe 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 for agency inspectors at all times during normal business hours, unless the
Division provides a site -specific exemption based on unique site conditions that make this
requirement not practical:
(a) This general permit as well as the certificate of coverage, after it is received.
(b) Records of inspections made during the previous 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;
SELF4NSPECTION, 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) O[I 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 contact
the appropriate Division regional office within the timeframes and in accordance with the
other requirements listed below. Occurrences outside normal business hours may also be
reported to the Division's Emergency Response personnel at (800) 662-7956, (800)
858-0368 or (919) 733-3300.
Occurrence
Reporting Timeframes (After Discovery) and Other Requirements
(a) Visible sediment
• Within 24 hours, an oral or electronic notification.
deposition in a
. Within 7 calendar days, a report that contains a description of the
stream or wetland
sediment and actions taken to address the cause of the deposition.
Division staff may waive the requirement for a written report on a
case -by -case basis.
• If the stream is named on the NC 303(d) list as impaired for sediment -
related causes, the permittee may be required to perform additional
monitoring, inspections or apply more stringent practices if staff
determine that additional requirements are needed to assure compliance
with the federal orstate 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
1(b)-(c) above
(c) Anticipated
. A report at least ten days before the date of the bypass, if possible.
bypasses [40 CFR
The report shall include an evaluation of the anticipated quality and
122.41(m)(3)1
effect of the bypass.
(d) unanticipated
. Within 24 hours, an oral or electronic notification.
bypasses [40 CFR
• Within 7calendardays, a report that includes an evaluation of the
122.41(m)(3)]
quality and effect of the bypass.
(e) Noncompliance
• within 24 hours, an oral or electronic notification.
with the conditions
• Within 7 calendar days, a report that contains a description of the
of this permit that
noncompliance, and its causes; the period of noncompliance,
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(I)(7)]
prevent reoccurrence ofthe noncompliance. [40 CFR 122.41(1)(6}.
• Division staff may waive the requirement for a written report on a
case -by -case basis.
NCG01 SELF -INSPECTION, RECORDKEEPING AND REPORTING
EFFECTIVE: 04/01 / 19
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