SW6240905_Plansheet - Misc. Detail_20241016 (3)

GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH EQUIPMENT AND VEHICLE MAINTENANCE ONSITE CONCRETE WASHOUT site
LAYING THE NCG01 CONSTRUCTION GENERAL PERMIT STRUCTURE WITH LINER soiutions
1. Maintain vehicles and equipment to prevent discharge of fluids.
CONDITIONS DESCRIPTION PROJECT USE Implementing the details and specifications on this plan sheet will result in the construction 2. Provide drip pans under any stored equipment. � B
activity being considered compliant with the Ground Stabilization and Materials Handling o �� civil eneerin land surve in
3. Identify leaks and repair as soon as feasible, or remove leaking equipment from thedom"1 9 I surveying
sections of the NCG01 Construction General Permit(Sections E and F, respectively). The o a"°'� am
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project. 0 ya
permittee shall comply with the Erosion and Sediment Control plan approved by the o 0 o no 00 office1910-426-6777 fax[phone] license numberIC-2354
delegated authority having jurisdiction.All details and specifications shown on this sheet 4. Collect all spent fluids,store in separate containers and properly dispose as f - www.4Dsitesotutions.com
\ may not apply depending on site conditions and the delegated authority having jurisdiction. hazardous waste(recycle when possible). B CM 9111M
\\ 5. Remove leaking vehicles and construction equipment from service until the problem mum'OWME Q~«,
L ELL ILGIEI E7F7AN0"r= ION6 1 NSMED W IOU 90 NR/RlL W9OR
/\\ NOT USED. SECTION E:GROUND STABILIZATION has been corrected. a,ECONCIEN,�r�,�01 vo..1-",m
FLAT BOTTOM UNDISTURBED
E M101f°lEL NFII M 1.0101 IId01 EArIiS 10:E M s+a RIAM
\\\ EARTH TRENCH, LOOSE BACKFILL 6. Bring used fuels, lubricants,coolants,hydraulic fluids and other petroleum products '•'E"`s'""'"" �ir�y ,L„G;,=VM No"
/ Required Ground Stabilization Timeframes I am�a vL.on s�cnK MM m E e.ea Z ncxr E BYO.
\\ to a recycling or disposal center that handles these materials. QF/RYIIII•�RINffii11/ElOfYOEV� UMCIMv°•wrsnlenrc ```���fll�f/�/�''
\\ Stabilize within this ^
BELOW GRADE WASHOUT STRUCTURE ABOVE GRADE WASHOUT STRUCTURE ��`` `• CARS
/\ Site Area Description many calendar Timeframe variations r�4„_. �� ..•••••••.
p days after ceasing LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE `��pQ,•OFESS/�r�,•.��L����
TYPE 1 land disturbance 1. Never bury or burn waste. Place litter and debris in approved waste containers.
(a) Perimeter dikes, 2. Provide a sufficient number and size of waste containers(e.g dumpster,trash CONCRETE WASHOUTS = SEA
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. 02 4
perimeter slopes 3. Locate waste containers at least 50 feet away from storm drain inlets and surface 2. Dispose of,or recycle settled, hardened concrete residue in accordance with local
\\, (b) High Quality Water waters unless no other alternatives are reasonably available. and state solid waste regulations and at an approved facility. ��' S .•••I N••
7 None •. ``��
/\ (HQW)Zones 4. Locate waste containers on areas that do not receive substantial amounts of runoff 3. Manage washout from mortar mixers in accordance with the above item and in I��COTT
\\ FLAT BOTTOMED UNDISTURBED EARTH NOT USED. from upland areas and does not drain direct) to a storm drain stream or wetland.
p y addition lace the mixer and associated materials on impervious barrier and within
/\\ c Slopes steeper than If slopes are 10 or less in length and are p p
TRENCH. BACKFILL LIGHTLY ( ) p p 5. Cover waste containers at the end of each workday and before storm events or lot perimeter silt fence.
/\ 7 not steeper than 2:1, 14 days are
\\ CONSOLIDATED TO CENTERLINE 3:1 p y provide secondary containment. Repair or replace damaged waste containers. 4. Install temporary concrete washouts per local requirements,where applicable. If an
\\ OF PIPE. allowed p y p q pp
\\ \ -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
/\//� 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
\ \ \ \ \ \ \ \ \ \ -7 days for perimeter dikes,swales, containers overflow. types of temporary concrete washouts provided on this detail. REVISIONS
TYPE 2 (d) Slopes 3:1 to 4:1 14 ditches,perimeter slopes and HQW 8. Dispose waste off-site at an approved disposal facility. 5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk
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.
\\j 6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it
/ ditches, perimeter slopes and HQW Zones 1. Do not dump paint and other liquid waste into storm drains,streams or wetlands.
\\% ALL DUCTILE (e) Areas with slopes can be shown that no other alternatives are reasonably available. At a minimum,
/\ PIPE BEDDED IN 4" MININUM 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
\\\\ IRON GRAVITY install protection of storm drain inlet(s)closest to the washout which could receive
there is zero slope/ JOB EXCAVATED MATERIAL. pe waters unless no other alternatives are reasonably available. spills or overflow.
'i BACKFILL LIGHTLY CONSOLIDATED SEWER LINE. 3. Contain liquid wastes in a controlled area.
\\ \\ Note:After the permanent cessation of construction activities,any areas with temporary q 7. Locate washouts in an easily accessible area,on level ground and install a stone
TO TOP OF PIPE. 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 S. Prevent the discharge of soaps,solvents,detergents and other liquid wastes from approving authority.
activity. Temporary ground stabilization shall be maintained in a manner to render the construction sites. 8. Install at least one sign directing concrete trucks to the washout within the project
TYPE 3 surface stable against accelerated erosion until permanent ground stabilization is achieved.j limits. Post signage on the washout itself to identify this location.
PORTABLE TOILETS 9. Remove leavings from the washout when at approximately 75%capacity to limit
GROUND STABILIZATION SPECIFICATION 1. Install portable toilets on level ground, at least 50 feet away from storm drains,
Stabilize the round sufficient) so that rain will not dislodge the soil. Use one of the overflow events. Replace the tarp,sand bags or other temporary structural
g y g streams or wetlands unless there is no alternative reasonably available. If 50 foot components when no longer functional. When utilizing alternative or proprietary
techniques in the table below: offset is not attainable, provide relocation of portable toilet behind silt fence or lace
ALL PVC WATER p p p products,follow manufacturer's instructions.
\\ PIPE BEDDED IN SAND, GRANULAR Temporary stabilization Permanent Stabilization on a gravel pad and surround with sand bags.
\\ LINE AND PVC 10. At the completion of the concrete work, remove remaining leavings and dispose of
/\ MATERIAL OR GRADED GRAVEL TO FORCE MAIN. • 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 in an approved disposal facility. Fill pit, if applicable,and stabilize any disturbance
\ THE DEPTH OF kifi d h l h kifi d h l h
1 8 PIPE DIAMETER, other mulches an tacers other mulches an tacers foot traffic areas.
� caused by removal of washout.
\\ 4" MIN. JOB EXCAVATED MATERIAL • Hydroseeding • Geotextile fabrics such as permanent soil 3. Monitor portable toilets for leaking and properly dispose of any leaked material.
\\ COMPACTED TO 4" ABOVE TOP OF PIPE. • Rolled erosion control products with or reinforcement matting Utilize a licensed sanitary waste hauler to remove leaking portable toilets and replace
\\`'`'`'`'`'`'`'`'`'`'`'`'`'`'<K/ (APPROX. 95% STANDARD PROCTOR, without temporary grass seed • Hydroseeding with properly operating unit.
AASHTO T-99) • 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
TYPE 4 • 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
ALL PVC GRAVITY • Rolled erosion control products with grass seed accidental poisoning. PROJECT NAME
\\� PIPE BEDDED TO ITS CENTERLINE P g available.
/\\ + + + + + + + \\, SEWER LINE. 3. Do not store herbicides,pesticides and rodenticides in areas where flooding is
\j +++++++ + + ++++++ / IN COMPACTED GRANULAR MATERIAL 2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of
/\\ + \\ 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
/ / 4" MIN. UNDER PIPE. COMPACTED or surface water. If a spill occurs,clean area immediately.
%\\ + \/ GRANULAR OR SAND MATERIAL TO 1. Select flocculants that are appropriate for the soils being exposed during 3. Provide stable stone access point when feasible. BOONE
\ +++++ +++++ \i 4. Do not stockpile these materials onsite.
\\ +++`+ +++++` \� 4"ABOVE TOP OF PIPE. construction,selecting from the NC DWR List of Approved PAMS/Flocculants. 4. Stabilize stockpile within the timeframes provided on this sheet and in accordance
\\ + + + + + + + + \/ (APPROX. 95% STANDARD PROCTOR, 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
AASHTO T-99) 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 HAZARDOUS AND TOXIC WASTE TRAIL FARMS
PAMS/Flocculants and in accordance with the manufacturer's instructions. erosion on disturbed soils for temporary or permanent control needs.
TYPE 5 1. Create designated hazardous waste collection areas on-site.
4. Provide ponding area for containment of treated Stormwater before discharging 2. Place hazardous waste containers under cover or in secondary containment.
offsite. SUBDIVISION
r ' NORTH CAROLI NA 3. Do not store hazardous chemicals,drums or bagged materials directly on the ground.
5. Store flocculants in leak-proof containers that are kept under storm-resistant cover i�:� I���''�fn'�
NTSor surrounded by secondary containment structures. 5• �A! 'Environmental Quality
1 TYPICAL LAYING CONDITIONS NCGOI GROUND STABILIZATION AND MATERIALS HANDLING EFFECTIVE: 04/01/19
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 EROSION
Self-inspections are required during normal business hours in accordance with the table 1. E&SC Plan Documentation 1. Occurrences that must be reported
below. When adverse weather or site conditions would cause the safety of the inspection The approved E&SC plan as well as any approved deviation shall be kept on the site. The Permittees shall report the following occurrences:
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. CONTROL &
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
performed upon the commencement of the next business day. Any time when inspections described: (b) Oil spills if:
were delayed shall be noted in the Inspection Record. They are 25 gallons or more, WATER DETAILS
•Item to Document Documentation Requirements They are less than 25 gallons but cannot be cleaned up within 24 hours,
Frequency They cause sheen on surface waters(regardless of volume),or
(a) Each E&5C Measure has been installed Initial and date each E&SC Measure on a copy
Inspect (during normal Inspection records must include: and does not significantly deviate from the of the approved E&SC Plan or complete,date • They are within 100 feet of surface waters(regardless of volume).
business hours)
(1)Rain gauge Daily Daily rainfall amounts. locations, dimensions and relative elevations and sign an inspection report that lists each
maintained in If no daily rain gauge observations are made during weekend or shown on the approved E&SC Plan. E&SC Measure shown on the approved E&SC
good working holiday periods, and no individual-day rainfall information is Plan. This documentation is required upon the (a) Releases of hazardous substances in excess of reportable quantities under Section 311
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 CLIENT
attended days (and this will determine if a site inspection is the E&SC Measures are modified after initial (Ref:40 CFR 302.4)or G.S. 143-215.85.
needed). Days on which no rainfall occurred shall be recorded as installation.
"zero." The permittee may use another rain-monitoring device
approved bythe Division (b) A phase ofgrading has been completed. Initial and date a copy of the approved E&SC (b) Anticipated bypasses and unanticipated bypasses. BS LAND L LC
(2) E&SC At least once per 1. Identification of the measures inspected, Plan or complete,date and sign an inspection
Measures 7 calendar days 2. Date and time oftheinspection, report to indicate completion ofthe
and within 24 3. Name ofthe person performing the inspection,
construction phase. (c) Noncompliance with the conditions of this permit that may endanger health or the
hours of a rain 4. Indication of whether the measures were operating
event>1.0 inch in properly, (c) Ground cover is located and installed Initial and date a copy of the approved E&SC environment.
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
(3)Stormwater At least once per 1. Identification of the discharge outfalls inspected, 2.Reporting Timeframes and Other Requirements
discharge 7 calendar days 2. Date and time ofthe inspection, ground cover specifications.
outfalls SDOs and within 24 3. Name ofthe person performing the inspection, After a permittee becomes aware of an occurrence that must be reported, he shall contact
( ) p p g p (d) The maintenance and repair Complete,date and sign an inspection report.
hours of a rain 4. Evidence of indicators of stormwater pollution such as oil the appropriate Division regional office within the timeframes and in accordance with the
event>1.0 inch in sheen,floating or suspended solids or discoloration, requirements for all . Measures 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) 466 Stanch Road
6. Description,evidence,and date of corrective actions taken. (e) Corrective actions have been taken Initial and date a copy of the approved E&SC 858-0368 or(919)733-3300. Angler, North Carolina 27501
(4)Perimeter of At least once per If visible sedimentation is found outside site limits,then a record to E&SC Measures. Plan or complete,date and sign an inspection
site 7 calendar days ofthe following shall be made: report to indicate the completion of the Phone: [phone]
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. Occurrence Reporting Timeframes(After Discovery)and Other Requirements
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.
24 hours 3. An explanation as to the actions taken to control future deposition in a • Within 7 calendar days,a report that contains a description of the
releases. 2.Additional Documentation
stream or wetland sediment and actions taken to address the cause of the deposition.
(5)Streams or At least once per If the stream or wetland has increased visible sedimentation or a
In addition to the E&SC Plan documents above,the following items shall be kept on the PROJECT INFORMATION
wetlands onsite 7 calendar days stream has visible increased turbidity from the construction Division staff may waive the requirement for a written report on a
or offsite and within 24 activity,then a record of the following shall be made: Site 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) events 1.0 inch in 2. Records ofthe 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 DESIGNED BY: CALEB
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. DRAWN BY: CALEB
(6)Ground After each phase 1. The phase of grading(installation of perimeter E&SC determine that additional requirements are needed to assure compliance
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. CHECKED BY: SCOTT
measures drainage facilities,completion of all land-disturbing (b)Oil spills and • Within 24 hours,an oral or electronic notification. The notification
activity,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 PROJECT NUMBER: 2084
LR ground cover). hazardous location of the spill or release.
z. Documentation that the required ground stabilization the required observations on the Inspection Record Form provided by the Division or p
a similar inspection form that includes all the required elements. Use of substances per Item
o measures have been provided within the required 1(b)-(c)above
N timeframe oran assurance that they will be provided as electronically-available records in lieu of the required paper copies will be allowed if ( ) p p y f yP f P
N c Anticipated • A report at least ten days before the date o the bypass.i ossible. DRAWING SCALE
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
o NOTE:The rain inspection resets the required 7 calendar day inspection requirement. 12z.41{m){3)] effect of the bypass.
N (c) All data used to complete the Notice of Intent and older inspection records shall be (d)Unanticipated within za hours,an oral or electronic notification. NOT TO SCALE
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
aupon request. [40 CFR 122.41] 122.41(m)(3)] quality and effect of the bypass.
Z (e) Noncompliance • Within 24 hours,an oral or electronic notification.
w with the conditions • Within 7 calendar days,a report that contains a description of the DATE RELEASED
v
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 AUGUST 22, 2024
o 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).
J
> Division staff may waive the requirement for a written report on a
U
case-by-case basis. SHEET NUMBER
H CAROLINA
c 11 UT-.4-011
aRronmental Qaiity
m
0
- 602
NCGOI SELF-INSPECTION, RECORDKEEPING AND REPORTING EFFECTIVE: 04/01/19
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