SW6230603_Plansheet - C6.3 - EROSION CONTROL DETAILS_20240201 (2)

GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH EQUIPMENT AND VEHICLE MAINTENANCE ONSITE CONCRETE WASHOUT 4Dsite
THE NCG01 CONSTRUCTION GENERAL PERMIT 1. Maintain vehicles and equipment to prevent discharge of fluids. STRUCTURE WITH LINER solutions
Implementing the details and specifications on this plan sheet will result in the construction 2. Provide drip pans under any stored equipment. ""
activity being considered compliant with the Ground Stabilization and Materials Handling Q ,m
3. Identify leaks and repair as soon as feasible,or remove leaking equipment from the civil engineering I land surveying
sections of the NCG01 Construction General Permit(Sections E and F,respectively). The a' ""' t
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permittee shall comply with the Erosion and Sediment Control plan approved by the project. D 409 Chicago Drive,Suite 112,Fayetteville,NC 28306
delegated authority havingjurisdiction.All details and specifications shown on this sheet 4. Collect all spent fluids,store in separate containers and properly dispose as office 910-426-6777 fax[phone] license number I C-2354
g y p hazardous waste(recycle when possible). 2 wwwADsitesolutions.com
may not apply depending on site conditions and the delegated authority having jurisdiction. m.,
5. Remove leaking vehicles and construction equipment from service until the problem
has been corrected. ti==� �� _�M�° �.•" . 6 M Cppl[W�9pR
PIPE OUTLET TO FLAT AREA- SECTION E:GROUND STABILIZATION $m¢Nes awa ac aanaicu
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6. Bring used fuels,lubricants,coolants,hydraulic fluids and other petroleum products n: ,,,,,�;,,
Required Ground Stabilization Timeframes ELM „�,�,�r�,,,r,=„� BAK 0•OR a<I�IA
to a recycling or disposal center that handles these materials. asnw wno am aa•a ama avvc yCONCIM
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q q Stabilize within this osaa:�onarrQ.
many calendar BELOW GRADE WASHOUT STRIICTLIRE ABOVE GIZA%46& ��� CA �
Mo o Site Area Description days after ceasing Timeframe variations LITTER,BUILDING MATERIAL AND LAND CLEARING WASTE ```��Q.��1•'S 'R��/'j'
land disturbance 3
1. Never bury or burn waste. Place litter and debris in approved waste containers. Z�:OFF /0 •• i
(a) Perimeter dikes, 2. Provide a sufficient number and size of waste containers(e.g dumpster,trash CONCRETE WASHOUTS 4� SEA �<
PLAN swales,ditches,and 7 None receptacle)on site to contain construction and domestic wastes. 1. Do not discharge concrete or cement slurry from the site. 0274
Perimeter slopes 3. Locate waste containers at least 50 feet awayfrom storm drain inlets and surface
2. Dispose of,or recycle settled, hardened concrete residue in accordance with local
L (b) High Quality Water None waters unless no other alternatives are reasonably available. and state solid waste regulations and at an approved facility. G I NE .••• ����
HQW Zones 7 4. Locate waste containers on areas that do not receive substantial amounts of runoffanagewasromaccor �I ��
o- ( ) If slopes are 10'or less in length and are from upland areas and does not drain directly to a storm drain,stream or wetland. 3 addition place mixer materials onbarrier and within ����c�TT 6�
I I�11=111=111 11=1 11=1 11=1 11= / ///�l �„��
19
-I11=1TI=1TI=1 -IT�ITI=ITI=T D (c) Slopes steeper than 7 p g 5. Cover waste containers at the end of each workday and before storm events or lot perimeter silt fence.
3:1 not steeper than 2:1,14 days are U.2. U/-.24/
allowed provide secondary containment. Repair or replace damaged waste containers. 4. Install temporary concrete washouts per local requirements,where applicable. If an
FILTER LAYER -7 days for slopes greater than 50' in 6. Anchor all lightweight items in waste containers during times of high winds. alternate method or product is to be used,contact your approval authority for
GRAVEL OR FABRIC length and with slopes steeper than 4:1 7. Empty waste containers as needed to prevent overflow. Clean up immediately if review and approval. If local standard details are not available, use one of the two
SECTION A-A -7 days for perimeter dikes,swales, containers overflow. types of temporary concrete washouts provided on this detail.
(d) Slopes 3:1 to 4:1 14 ditches,perimeter slopes and HOW 8. Dispose waste off-site at an approved disposal facility. 5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk REVISIONS
Zones 9. On business days,clean up and dispose of waste in designated waste containers. sections. Stormwater accumulated within the washout may not be pumped into or
-10 days for Falls Lake Watershed discharged to the storm drain system or receiving surface waters. Liquid waste must
-7 days for perimeter dikes,swales, PAINT AND OTHER LIQUID WASTE be pumped out and removed from project.
ditches,perimeter slopes and HOW Zones 1. Do not dump paint and other liquid waste into storm drains,streams or wetlands. 6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it
(e) Areas with slopes can be shown that no other alternatives are reasonably available. At a minimum,
flatter than 4:1 14 -10 days for Falls Lake Watershed unless 2. Locate paint washouts at least 50 feet away from storm drain inlets and surface install protection of storm drain inlet(s)closest to the washout which could receive
there is zero slope waters unless no other alternatives are reasonably available. spills or overflow.
Note:After the permanent cessation of construction activities,an areas with temporary 3. Contain liquid wastes in a controlled area.
p Y P Y 7. Locate washouts in an easily accessible area,on level ground and install a stone
NOTES ground stabilization shall be converted to permanent ground stabilization as soon as 4. Containment must be labeled,sized and placed appropriately for the needs of site. entrance pad in front of the washout. Additional controls may be required by the
practicable but in no case longer than 90 calendar days after the last land disturbing 5. Prevent the discharge of soaps,solvents,detergents and other liquid wastes from approving authority.
1. LA IS THE LENGTH OF THE RIPRAP activity. Temporary ground stabilization shall be maintained in a manner to render the construction sites.
APRON. 8. Install at least one sign directing concrete trucks to the washout within the project
surface stable against accelerated erosion until permanent ground stabilization is achieved.
PIPE OUTLET TO 2. D = 1.5 TIMES THE MAXIMUM limits. Post signage on the washout itself to identify this location.
WELL-DEFINED CHANNEL STONE DIAMETER BUT NOT LESS PORTABLE TOILETS 9. Remove leavings from the washout when at approximately 75%capacity to limit
THAN 6"• GROUND STABILIZATION SPECIFICATION g pp Y p Y
1. Install portable toilets on level ground,at least 50 feet away from storm drains, overflow events. Replace the tarp,sand bags or other temporary structural
A A 3. IN A WELL-DEFINED CHANNEL EXTEND Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the streams or wetlands unless there is no alternative reasonably available. If 50 foot components when no longer functional. When utilizing alternative or proprietary
THE APRON UP THE CHANNEL
BANKS TO AN ELEVATION of 6" techniques in the table below: offset is not attainable,provide relocation of portable toilet behind silt fence or place products,follow manufacturer's instructions.
ABOVE THE MAXIMUM TAILWATER
DEPTH OR TO THE TOP OF THE BANK, Temporary Stabilization Permanent stabilization on a gravel pad and surround with sand bags. 10. At the completion of the concrete work,remove remaining leavings and dispose of
WHICHEVER IS LESS. • Temporary grass seed covered with straw or • Permanent grass seed covered with straw or 2. Provide staking or anchoring of portable toilets during periods of high winds or in high
4. A FILTER FABRIC OR BLANKET SHOULD BE in an approved disposal facility. Fill pit,if applicable,and stabilize any disturbance
INSTALLED BETWEEN THE RIPRAP other mulches and tackifiers other mulches and tackifiers foot traffic areas. caused by removal of washout.
AND SOIL FOUNDATION. • Hydroseeding • Geotextile fabrics such as permanent soil 3. Monitor portable toilets for leaking and properly dispose of any leaked material.
• Rolled erosion control products with or reinforcement matting Utilize a licensed sanitary waste hauler to remove leaking portable toilets and replace
PLAN without temporary grass seed • Hydroseeding
with properly operating unit.
GRAVEL OR FABRIC • Appropriately applied straw or other mulch • Shrubs or other permanent plantings covered HERBICIDES,PESTICIDES AND RODENTICIDES
• Plastic sheeting with mulch 1. Store and apply herbicides,pesticides and rodenticides in accordance with label
L • Uniform and evenly distributed ground cover EARTHEN STOCKPILE MANAGEMENT
restrictions.
sufficient to restrain erosion 1. Show stockpile locations on plans. Locate earthen-material stockpile areas at least 2. Store herbicides,pesticides and rodenticides in their original containers with the
• Structural methods such as concrete,asphalt or 50 feet away from storm drain inlets,sediment basins,perimeter sediment controls label,which lists directions for use, ingredients and first aid steps in case of
retaining walls and surface waters unless it can be shown no other alternatives are reasonably accidental poisoning.
D • Rolled erosion control products with grass seed available.
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of 3. Do not store herbicides,pesticides and rodenticides in areas where flooding is
POLYACRYLAMIDES(PAMS)AND FLOCCULANTS five feet from the toe of stockpile. possible or where they may spill or leak into wells,stormwater drains,ground water PROJECT NAME
or surface water. If a spill occurs,clean area immediately.
FILTER LAYER 1. Select flocculants that are appropriate for the soils being exposed during 3. Provide stable stone access point when feasible. 4. Do not stockpile these materials onsite.
GRAVEL OR FABRIC construction,selecting from the NC DWR List of Approved PAMS/Flocculants. 4. Stabilize stockpile within the timeframes provided on this sheet and in accordance p
SECTION A-A 2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures. with the approved plan and any additional requirements. Soil stabilization is defined ABERDEEN
MAINTENANCE 3. Apply flocculants at the concentrations specified in the NC DWR List of Approved as vegetative, physical or chemical coverage techniques that will restrain accelerated
INSPECT RIPRAP OUTLET STRUCTURES WEEKLY PAMS/Flocculants and in accordance with the manufacturer's instructions. erosion on disturbed soils for temporary or permanent control needs. HAZARDOUS AND TOXIC WASTE
AND AFTER SIGNIFICANT 6 INCH OR GREATER) 1. Create designated hazardous waste collection areas on-site.
RAINFALL EVENTS TO SEE IF ANY EROSION 4. Provide ponding area for containment of treated stormwater before discharging US 15m501
AROUND OR BELOW THE RIPRAP HAS TAKEN f;:an 2. Place hazardous waste containers under cover or in secondary containment.
PLACE, OR IF STONES HAVE BEEN DISLODGED. offsite. NORTH CAROLI NA 3. Do not store hazardous chemicals,drums or bagged materials directly on the ground.
IMMEDIATELY MAKE ALL NEEDED REPAIRS TO 5. Store flocculants in leak-proof containers that are kept under storm-resistant cover is;? (?-
PREVENT FURTHER DAMAGE. J Environmental Quality
or surrounded by secondary containment structures. `'` -' L L �.0 L
�NTS NCGO1 GROUND STABILIZATION AND MATERIALS HANDLING EFFECTIVE: 04/01/19 DOLLAR
TYPICAL RIP RAP APRON
GENERAL
PART III PART III PART III
SELF-INSPECTION,RECORDKEEPING AND REPORTING SELF-INSPECTION,RECORDKEEPING AND REPORTING SELF-INSPECTION,RECORDKEEPING AND REPORTING
SECTION A:SELF-INSPECTION SECTION B:RECORDKEEPING SECTION C:REPORTING
TOP OF BASIN SEE PLAN FOR 1. E&SC Plan Documentation Self-inspections are required during normal business hours in accordance with the table 1.Occurrences that must be reported
348.80' RIP RAP below. When adverse weather or site conditions would cause the safety of the inspection Permittees shall report the following occurrences:. The THICKNESS The approved E&SC plan as well as any approved deviation shall be kept on the site
personnel to be in jeopardy,the inspection may be delayed until the next business day on (a) Visible sediment deposition in a stream or wetland. EROSION
which it is safe to perform the inspection. In addition,when a storm event of equal to or approved E&SC plan must be kept up-to-date throughout the coverage under this permit.
greater than 1.0 inch occurs outside of normal business hours,the self-inspection shall be The following items pertaining to the E&SC plan shall be documented in the manner
3 described: (b) Oil spills if:
-� performed upon the commencement of the next business day. Any time when inspections CO NT RO L
were delayed shall be noted in the Inspection Record. • They are 25 gallons or more,
. The are less than 25 gallons but cannot be cleaned u within 24 hours,
Item to Document Documentation Requirements y g p
\ \ \ DETAILS
. Frequency • They cause sheen on surface waters(regardless of volume),or
4'CONCRETE `\/\/ ? \ \ / (a) Each E&5C Measure has been installed Initial and date each E&SC Measure on a copy
\\\\ r y.\\\\\\\ Inspect (during normal Inspection records must include: The are within 100 feet of surface waters(regardless of volume).and does not significantly deviate from the of the approved E&SC Plan or complete,date Y ( g )
SEE PLAN FOR THE business hours)
\\\\\ locations,dimensions and relative elevations and sign an inspection report that lists each
\\
/ / �\//�. INVERT OF THE SPILLWAY (1)Rain gauge Daily Daily rainfall amounts.
\\ \ \\ WHICH IS THE ELEVATION shown on the approved E&SC Plan. E&5C Measure shown on the approved E&SC
maintained in If no daily rain gauge observations are made during weekend or pp pP
WHERE THE FABRIC (a) Releases of hazardous substances in excess of reportable quantities under Section 311
MEETS THE STONE good working holiday periods, and no individual-day rainfall information is Plan. This documentation is required upon the
order available, record the cumulative rain measurement for those un- initial installation of the E&SC Measures or if of the Clean Water Act(Ref:40 CFR 110.3 and 40 CFR 117.3)or Section 102 of CERCLA
1'WIDE NOTCH. attended days (and this will determine if a site inspection is the E&5C Measures are modified after initial (Ref:40 CFR 302.4)or G.S. 143-215.85.
INV.346.63' needed). Days on which no rainfall occurred shall be recorded as
SPILLWAY CROSS SECTION "zero." The permittee may use another rain-monitoring device installation.
approved bythe Division. (b) A phase of grading has been completed. Initial and date a copy of the approved E&SC (b) Anticipated bypasses and unanticipated bypasses. CLIENT
(2) E&SC At least once per 1. Identification of the measures inspected, Plan or complete,date and sign an inspection
1.INSTALL THE EMERGENCY SPILLWAY IN UNDISTURBED SOIL.THE ACHIEVEMENT Measures 7 calendar days 2. Date and time of the inspection,
OF PLANNED ELEVATIONS,GRADE,DESIGN WIDTH,AND ENTRANCE AND EXIT report to indicate completion of the
Name of the person performing the inspection,
CHANNEL SLOPES ARE CRITICAL TO THE SUCCESSFUL OPERATION OF THE and within 24 3. construction phase. (c) Noncompliance with the conditions of this permit that may endanger health or the
EMERGENCY SPILLWAY. hours of a rain 4. Indication of whether the measures were operating R H ETSO N
event>1.0 inch in properly, (c) Ground cover is located and installed Initial and date a copy of the approved E&SC environment.
2.MAX SIDE SLOPES ARE 3:1 24 hours 5. Description of maintenance needs for the measure, in accordance with the approved E&SC Plan or complete,date and sign an inspection
6. Description,evidence,and date of corrective actions taken. plan. report to indicate compliance with approved COMPANIES INC.
(3)stormwater At least once per 1. Identification of the discharge outfalls inspected, 2.Reporting Timeframes and Other Requirements
discharge 7calendar days 2. Date and time of the inspection, ground cover specifications. r�
{
outfalls(SDOS) and within 24 3. Name of the person performingthe inspection, After a permittee becomes aware of an occurrence that must be reported,he shall contact
. ro
hours of a rain 4. Evidence of indicators of stormwater pollution such as oil requirements
The maintenance and repair Complete,date and sign an inspection report the appropriate for all E&SC Measures pp p Division regional office within the timeframes and in accordance with the
event 1.0 inch in sheen,floating or suspended solids or discoloration, other requirements listed below. Occurrences outside normal business hours may also be
24 hours 5. Indication of visible sediment leaving the site, have been performed.
reported to the Division's Emergency Response personnel at(800)662-7956,(800)
6. Description,evidence,and date of corrective actions taken. (e) Corrective actions have been taken Initial and date a copy of the approved F&SC 858-0368 or(919)733-3300.
NTS (4)Perimeter of At least once per If visible sedimentation is found outside site limits,then a record to E&5C Measures. Plan or complete,date and sign an inspection
site 7 calendar days of the following shall be made: report to indicate the completion of the
and within 24 1. Actions taken to clean up or stabilize the sediment that has left
hours of a rain the site limits,
corrective action. 2075 Juniper Lake Road
Occurrence Reporting Timeframes(After Discovery)and Other Requirements
EMERGENCY SPILLWAY event>1.0 inch in 2. Description,evidence,and date of corrective actions taken,and (a)Visible sediment • Within 24 hours,an oral or electronic notification. west End North Carolina 27376
24 hours 3. An explanation as to the actions taken to control future
deposition in a • Within 7calendar days,a report that contains a description of the
releases. 2.Additional Documentation Phone: [phone]
(5)streams or At least once per If the stream or wetland has increased visible sedimentation or a stream or wetland sediment and actions taken to address the cause of the deposition.
In addition to the E&SC Plan documents above,the following items shall be kept on the Division staff may waive the requirement for a written report on a
wetlands onsite 7calendar days stream has visible increased turbidity from the construction site
or offsite and within 24 activity,then a record of the following shall be made: case-by-case basis.
(where hours of a rain 1. Description,evidence and date of corrective actions taken,and and available for agency inspectors at all times during normal business hours,unless the • If the stream is named on the NC 303(d)list as impaired for sediment-
accessible) event>1.0 inch in 2. Records of the required reports to the appropriate Division Division provides a site-specific exemption based on unique site conditions that make this related causes,the permittee may be required to perform additional
24 hours Regional Office per Part III,section C,Item(2)(a)of this permit requirement not practical: monitoring,inspections or apply more stringent practices if staff
of this permit. PROJECT INFORMATION
m (6)Ground After each phase 1. The phase of grading(installation of perimeter E&SC determine that additional requirements are needed to assure compliance
o stabilization of grading measures,clearing and grubbing,installation of storm (a) This general permit as well as the certificate of coverage,after it is received. with the federal or state impaired-waters conditions.
measures drainage facilities,completion of all land-disturbing g p g (b)Oil spills and • Within 24 hours,an oral or electronic notification. The notification
Nactivity,construction or redevelopment,permanent (b) Records of inspections made during the previous 30 days. The permittee shall record release of shall include information about the date,time,nature,volume and DESIGNED BY: BRETT
ground cover). the required observations on the Inspection Record Form provided by the Division or hazardous location of the spill or release.
N 2. Documentation that the required ground stabilization DRAWN BY: BRETT
• a similar inspection form that includes all the required elements. Use of substances per Item
measures have been provided within the required p q
1(b)-(c)above
p timeframe or an assurance that they will be provided as electronically-available records in lieu of the required paper copies will be allowed if CHECKED BY: SCOTT
m (c)Anticipated . A report at least ten days before the date of the bypass,if possible.
soon as possible. shown to provide equal access and utility as the hard-copy records.
bypasses[40 CFR The report shall include an evaluation of the anticipated quality and PROJECT NUMBER: 1938
122.41(m)(3)] effect of the bypass.
NOTE:The rain inspection resets the required 7 calendar day inspection requirement. (c) All data used to complete the Notice of Intent and older inspection records shall be
(d)Unanticipated • Within 24 hours,an oral or electronic notification.
maintained for a period of three years after project completion and made available bypasses[40 CFR • Within 7 calendar days,a report that includes an evaluation of the
w upon request. [40 CFR 122.41] 122.41(m)(3)]
o quality and effect of the bypass.
(e)Noncompliance • Within 24 hours,an oral or electronic notification. DRAWING SCALE
c�
with the conditions • Within 7calendar days,a report that contains a description of the
0 of this permit that noncompliance,and its causes;the period of noncompliance, NOT TO SCALE
b may endanger including exact dates and times,and if the noncompliance has not
J 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(p{6}. DATE RELEASED
u • Division staff may waive the requirement for a written report on a
c�
case-by-case basis.
o _
NORTH CAROLINA FEBRUARY 1 2024
'Environmental Quality
NCGO 1 SELF-INSPECTION, RECORDKEEPING AND REPORTING EFFECTIVE: 04/01/19 SHEET NUMBER
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