SW5240801_Plansheet 15 - Misc. Detail_20241119 (6)

SECTION A: SELF-INSPECTION SECTION B: RECORDKEEPING GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH THE NCGO1
E&SC Plan Documentation SECTION C: REPORTING CONSTRUCTION GENERAL PERMIT
Self-inspections are required during normal business hours in accordance with the table below. When adverse 1. 1. Occurrences that must be reported
The approved E&SC plan as well as any approved deviation shall be kept on the site. The approved E&SC plan must Implementing the details and specifications on this Ian sheet will result in the construction activity being
weather or site conditions would cause the safety of the inspection personnel to be in jeopardy,the inspection p g p p Y g
be kept up-to-date throughout the coverage under this permit. The following Items pertaining to the E&SC Ian Permittees shall report the following occurrences:
may be delayed until the next business day on which it is safe to perform the inspection. In addition when a p p- g g p g p g P considered compliant with the Ground Stabilization and Materials Handling sections of the NCG01
shall be documented in the manner described: (a) Visible sediment deposition in a stream or wetland.
storm event of equal to or greater than 1.0 inch occurs outside of normal business hours, the self-inspection shall (b) Oil spills if: Construction General Permit (Sections E and F, respectively). The permittee shall comply with the Erosion and
be performed upon the commencement of the next business day. Any time when inspections were delayed shall Sediment Control plan approved by the delegated authority having jurisdiction. All details and specifications
They are 25 gallons or more,
be noted in the Inspection Record. They are less than 25 gallons but cannot be cleaned up within 24 hours, shown on this sheet may not apply depending on site conditions and the delegated authority having
Item to Document Documentation Requirements . They cause sheen on surface waters (regardless of volume), or jurisdiction.
Frequency (a) Each E&SC Measure has been installed Initial and date each E&SC Measure on a copy • They are within 100 feet of surface waters (regardless of volume).
Inspect (during normal Inspection records must include: and does not significantly deviate from the of the approved E&SC Plan or complete, date (a) Releases of hazardous substances in excess of reportable quantities under Section 311 of the Clean Water Act SECTION E: GROUND STABILIZATION
business hours) locations, dimensions and relative elevations and sign an inspection report that lists each (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.
(1) Rain gauge Daily Daily rainfall amounts. Required Ground Stabilization Timeframes
shown on the approved E&SC Plan. E&SC Measure shown on the approved E&SC (b) Anticipated bypasses and unanticipated bypasses.
maintained in If no daily rain gauge observations are made during weekend or Plan. This documentation is required upon the Stabilize within this
good working holiday periods, and no individual-day rainfall information is q p (C) Noncompliance with the conditions of this permit that may endanger health or the environment.
initial installation of the E&SC Measures or if many calendar days
order available, record the cumulative rain measurement for those un- after ceasing land Timeframe variations
attended days (and this will determine if a site inspection is the E&SC Measures are modified after initial 2. Reporting Timeframes and Other Requirements Site Area Description g
disturbance
needed). Days on which no rainfall occurred shall be recorded as installation.
After a permittee becomes aware of an occurrence that must be reported, he shall contact the appropriate Division
"zero." The permittee may use another rain-monitoring device (b) A phase of grading has been completed. Initial and date a copy of the approved E&SC regional office within the timeframes and in accordance with the other requirements listed below. Occurrences
approved by the Division.
Plan complete, date and ins outside normal business hours may also be reported to the Division's Emergency Response personnel at(800) (a) Perimeter dikes, swales,
an or com sign an inspection(2) E&SC At least once per 1. Identification of the measures inspected, P g p 7 None
Measures 7 calendar days 2. Date and time of the inspection, report to indicate completion of the 662-7956, [phone] or(919) 733-3300. ditches, and perimeter
and within 24 3. Name of the person performing the inspection, construction phase. slopes
hours of a rain 4. Indication of whether the measures were operating Occurrence Reporting Timeframes (After Discovery) and Other Requirements
event>1.0 inch in properly, (c) Ground cover is located and installed Initial and date a copy of the approved E&SC (b) High Quality Water 7 None
(a) Visible sediment • Within 24 hours, an oral or electronic notification.
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 (HQW) Zones
deposition in a • Within 7 calendar days, a report that contains a description of the
6. Description,evidence,and date of corrective actions taken. Plan. report to Indicate compliance with approved
stream or wetland sediment and actions taken to address the cause of the deposition. If slopes are 10' or less in length and are
(3)Stormwater At least once per 1. Identification of the discharge outfalls inspected, ground cover specifications.
discharge 7 calendar days 2. Date and time of the inspection, Division staff may waive the requirement for a written report on a not steeper than 2:1, 14 days are
d The maintenance and repair Complete, date and sign an inspection report. (c) Slopes steeper than 3:1 7
outfalls(SDOs) and within 24 3. Name❑f the person performing the inspection, ( ) p p g p p case-by-case basis. allowed
3 hours of a rain 4. Evidence of indicators of stormwater pollution such as oil requirements for all E&SC Measures • If the stream is named on the NC 303(d) list as impaired for sediment-
event>1.0 inch in sheen,floating or suspended solids 0r discoloration, have been performed. - ay5 or slopes greater than In length an
- p related causes, the permittee may be required to perform additional
0 24 hours 5. Indication of visible sediment leaving the site, with slopes steeper than 4:1
N (e) Corrective actions have been taken Initial and date a copy of the approved E&SC monitoring, inspections or apply more stringent practices if staff 14
p 6. Description,evidence,and date❑f corrective actions taken. (d) Slopes 3:1 to 4:1 -7 days for perimeter dikes, SWaleS, ditches,
I'`) to E&SC Measures. Plan or com complete, date and si n an inspection determine that additional requirements are needed to assure compliance
N (4) Perimeter❑f At least once per If visible sedimentation is found outside site limits,then a record p gperimeter slopes and HQW Zones
00 site 7 calendar days of the following shall be made: report to indicate the completion of the with the federal or state impaired-waters conditions.
r- and within 24 1. Actions taken to clean up or stabilize the sediment that has left corrective action. (b) Oil spills and • Within 24 hours, an oral or electronic notification. The notification -10 days for Falls Lake Watershed
hours of a rain the site limits, release of shall include information about the date time nature volume and
J � � � - days or perimeter dikes, swa es, Ices,
Q event>1.0 inch in 2. Description,evidence,and date of corrective actions taken, and hazardous location of the spill or release. perimeter slopes and HQW Zones
24 hours 3. An explanation as to the actions taken to control future Substances per Item
o releases. 2.Additional Documentation p (e) Areas with slopes flatter 14 -10 days for Falls Lake Watershed unless there is
(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 site (c) Anticipated above than 4:1 zero slope
0 wetlands onsite 7 calendar days stream has visible increased turbidity from the construction and available for agency inspectors at all times during normal business hours, unless the (c) A • A report at(east ten days before the date of the bypass, if possible.
0 or offsite and within 24 activity,then a record of the following shall be made: Division provides a site-specific exemption based on unique site conditions that make this bypasses [40 CFR The report shall include an evaluation of the anticipated quality and Note: After the permanent cessation of construction activities, any areas with temporary ground stabilization
0 (where hours of a rain 1. Description,evidence and date of corrective actions taken, and requirement not practical: 122.41(m)(3)] effect of the bypass. shall be converted to permanent ground stabilization as soon as practicable but in no case longer than 90
accessible) event>1.0 inch in 2. Records Of the required reports to the appropriate Division (d) Unanticipated Within 24 hours, an oral or electronic notification. calendar days after the last land disturbing activity. Temporary ground stabilization shall be maintained in a
j 24 hours Regional Office per Part III,Section C, Item(2)(a) of this permit (a) This general permit as well as the certificate of coverage,after it is received. bypasses [40 CFR • Within 7 calendar days, a report that includes an evaluation of the manner to render the surface stable against accelerated erosion until permanent ground stabilization is
3 of this permit.
122.41(m)(3)] quality and effect of the bypass. achieved.
(6) Ground After each phase 1. The phase of grading(installation of perimeter E&SC (b) Records of inspections made during the previous 30 days. The permittee shall record the required
stabilization of grading measures,clearing and grubbing, installation of storm observations on the Inspection Record Form provided by the Division or a similar inspection form that (e) Noncompliance • Within 24 hours, an oral or electronic notification.
o measures drainage facilities, completion of all land-disturbing includes all the required elements. Use of electronically-available records in lieu of the required paper with the conditions • Within 7 calendar days, a report that contains a description of the GROUND STABILIZATION SPECIFICATION
activity, construction or redevelopment, permanent copies will be allowed if shown to provide equal access and utility as the hard-copy records. of this permit that noncompliance, and its causes;the period of noncompliance,
ground cover). may endanger Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the techniques in the table
Y g including exact dates and times, and if the noncompliance has not below:
2. Documentation that the required ground stabilization (c) All data used to complete the Notice of Intent and older inspection records shall be maintained for a health or the been corrected, the anticipated time noncompliance is expected to
measures have been provided within the required Temporary Stabilization Permanent Stabilization
j period of three years after project completion and made available upon request. [40 CFR 122.41] environment[40 continue; and steps taken or planned to reduce eliminate and
timeframe or an assurance that they will be provided as
CFR 1ZZ.41(I)(7)] prevent reoccurrence of the noncompliance. [40 CFR 122.41(I)(6). • Temporary grass seed covered with straw or • Permanent grass seed covered with straw or
G,
soon as possible.
• Division staff may waive the requirement for a written report on a other mulches and tackifiers other mulches and tackifiers
o case-by-case basis. • Hydroseeding • Geotextile fabrics such as permanent soil
0- NOTE:The rain inspection resets the required 7 calendar day inspection requirement.
CONCRETE WASHOUTS • Rolled erosion control products with or reinforcement matting
/
1. Do not discharge concrete or cement slurry from the site. without temporary grass seed • Hydroseeding
SECTION G: ITEM (4) DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT 2. Dispose of, or recycle settled, hardened concrete residue in accordance with local and state solid • Appropriately applied straw or other mulch • Shrubs or other permanent plantings covered
a Sediment basins and traps that receive runoff from drainage areas of one acre or more shall use outlet waste regulations and at an approved facility. POLYACRYLAMIDES (PAMS)AND FLOCCULANTS • Plastic sheeting with mulch
° structures that withdraw water from the surface when these devices need to be drawn down for maintenance 1. Select flocculants that areappropriate for the soils being exposed during construction, selecting from
= or close out unless this is infeasible. The circumstances in which it is not feasible to withdraw water from the 3. Manage washout from mortar mixers in accordance with the above item and in addition place theg p g g • Uniform and evenly distributed ground cover
0' mixer and associated materials on impervious barrier and within lot perimeter silt fence. the NC DWR List of Approved PAMS/Flocculants.
surface shall be rare (for example, times with extended cold weather). Non-surface withdrawals from p p sufficient to restrain erosion
Q 4. Install temporary concrete washouts per local requirements, where applicable. If an alternate method 2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures.
sediment basins shall be allowed only when all of the following criteria have been met: p Y p q pp • Structural methods such as concrete, asphalt or
�I a The E&SC Ian authority has been provided with documentation of the non-surface withdrawal and the or product is to be used, contact your approval authority for review and approval. If local standard 3. Apply flocculants at the concentrations specified in the NC DWR List of Approved PAMS/Flocculants and
( ) p y p retaining walls
0 specific time periods or conditions in which it will occur. The non-surface withdrawal shall not commence details are not available, use one of the two types of temporary concrete washouts provided on this in accordance with the manufacturers instructions.
op p detail. 4. Provide ondin area for containment of treated Stormwater before discharging offsite. • Rolled erasion control products with grass seed
I until the E&SC plan authority has approved these items, p g g� g
N (b)The non-surface withdrawal has been reported as an anticipated bypass in accordance with Part III, S. Do not use concrete washouts for dewatering or storing defective curb or sidewalk sections. S. Store flocculants in leak-proof containers that are kept under storm-resistant cover or surrounded by
Section C, Item (2)(c) and (d) of this permit, Stormwater accumulated within the washout may not be pumped into or discharged to the storm secondary containment structures.
00 (c) Dewatering discharges are treated with controls to minimize discharges of pollutants from stormwater drain system or receiving surface waters. Liquid waste must be pumped out and removed from
jthat is removed from the sediment basin. Examples of appropriate controls include properly sited, project. PORTABLE TOILETS HERBICIDES, PESTICIDES AND RODENTICIDES
designed and maintained dewatering tanks, weir tanks, and filtration systems, 6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it can be shown 1. Install portable toilets on level ground, at least 50 feet away from storm drains, streams or wetlands 1. Store and apply herbicides, pesticides and rodenticides in accordance with label restrictions.
(d)Vegetated, upland areas of the sites or a properly designed stone pad is used to the extent feasible at the that no other alternatives are reasonably available. At a minimum, install protection of storm drain unless there is no alternative reasonably available. If SO foot offset is not attainable, provide relocation 2. Store herbicides, pesticides and rodenticides in their original containers with the label, which lists
outlet of the dewatering treatment devices described in Item (c) above, inlet(s) closest to the washout which could receive spills or overflow. of portable toilet behind silt fence or place on a gravel pad and surround with sand bags. directions for use, ingredients and first aid steps in case of accidental poisoning.
(e) Velocity dissipation devices such as check dams, sediment traps, and riprap are provided at the discharge 7. Locate washouts in an easily accessible area, on level ground and install a stone entrance pad in front g g p g p g g 3. Do not store herbicides, pesticides and rodenticides in areas where flooding is possible or where they
co 2. Provide staking or anchoring of portable toilets during periods of high winds or in high foot traffic
/ points of all dewatering devices, and of the washout. Additional controls may be required by the approving authority. areas.
(f) Sediment removed from the dewatering treatment devices described in Item (c) above is disposed of in a 8. Install at least one sign directing concrete trucks to the washout within the project limits. Post signage may spill or leak into wells, stormwater drains, ground water or surface water. If a spill occurs, clean
L 3. Monitor portable toilets for leaking and properly dispose of any leaked material. Utilize a licensed area immediately.
manner that does not cause deposition of sediment into waters of the United States. on the washout itself to identify this location. sanitary waste hauler to remove leaking portable toilets and replace with properly operating unit. 4. Do not stockpile these materials onsite.
w 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.
0 EQUIPMENT AND VEHICLE MAINTENANCE When utilizing alternative or proprietary products, follow manufacturer's instructions. EARTHEN STOCKPILE MANAGEMENT HAZARDOUS AND TOXIC WASTE
1. Maintain vehicles and equipment to prevent discharge of fluids. 10. At the completion of the concrete work, remove remaining leavings and dispose of in an a p p p Y 1. Create designated hazardous waste collection areas on-site.
p g g p approved 1. Show stockpile locations on ions. Locate earthen-material stockpile areas at least 50 feet away from
2. Provide drip pans under any stored equipment. disposal facility. Fill pit, if applicable, and stabilize any disturbance caused by removal of washout. storm drain inlets, sediment basins, perimeter sediment controls and surface waters unless it can be
2. Place hazardous waste containers under cover or in secondary containment.
E 3. Identify leaks and repair as soon as feasible, or remove leaking equipment from the project. shown no other alternatives are reasonably available.
LO 4. Collect all spent fluids, store in separate containers and properly dispose as hazardous waste (recycle 2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of five feet from the 3. Do not store hazardous chemicals, drums or bagged materials directly on the ground.
p p p p Y p ( Y p� g p
when possible). ONSITE CONCRETE WASHOUT toe of stockpile.
N p )' STRUCTURE WITH LINER p
S. Remove leaking vehicles and construction equipment from service until the problem has been 10, 3. Provide stable stone access point when feasible.
corrected. A HIGH MIN B SANDBAGS TYP.)
COHESIVE TAPLES 4. Stabilize stockpile within the timeframes provided on this sheet and in accordance with the approved
0 CD 0 SANDBAGS(TYP.) LOW FILTRATION
BERM T10N 10 MIL HIGH
COHESIVE& Ian and an additional requirements. Soil stabilization is defined as vegetative, physical or chemical
6. Bring use fuels, lubricants, coolants, hydraulic fluids an other petroleum products to a recycling or 0 0 OR STAPLES 0 0 0 0 PLASTIC LINING LOW FILTRATION p y q g , p y
10 MIL 1:1 SIDE SLOP SOIL BERM
0 disposal center that handles these materials. 0 SILT FENGE 1:1 PLASTIC SANDBAGS(TYP.) 0 0 (Tw.)
p SIDE SLOP LINING coverage techniques that will restrain accelerated erosion on disturbed soils for temporary or
N (TYP. OR STAPLES 0 0 EFFECTIVE: 04/01/19
0 0 0 0 ]' �= permanent control needs.
LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE 0 0 0 � wg�m SECTION B-B '
B PAINT AND OTHER LIQUID WASTE
1. Never bury or burn waste. Place litter and debris in approved waste containers. SANDBAGS(TYP.) NOTES
E CLEARLY MARKED SIGNAGE SECTION A-A OR STAPLES 1.ACTUAL LOCATION DETERMINED IN 1. Do not dump paint and other liquid waste into storm drains, streams or wetlands.
Q) 2. Provide a sufficient number and size of waste containers (e.g dumpster, trash receptacle) on site to CONCRETE NOTING DEVICE(18"X24"MIN.) FIELD
WASHDQT NOTES: CLEARLY MARKED(1 SX24-M 2. Locate paint washouts at least 50 feet away from storm drain inlets and surface waters unless
O 1.ACTUAL LOCATION DETERMINED IN FIELD CONCRETE NOTING DEVCE(18"X24"MIN.) 2.THE CONCRETE WASHOUT p y
contain construction and domestic wastes. WASHOUT STRUCTURES SHALL BE MAINTAINED
Z 2.THE CONCRETE WASHOUT STRUCTURES SHALL WHEN THE UQUID AND/OR SOLD no other alternatives are reasonably available.
BE MAINTAINED WHEN THE LIQUID AND/OR SOLID REACHES 75%OF THE STRUCTURES
3. Locate waste containers at least 50 feet away from storm drain inlets and surface waters unless no REACHES 75%OF THE STRUCTURES CAPACITY. CAPACITY TO PROVIDE ADEQUATE
(n HOLDING CAPACITY WITH A MINIMUM 12 3. Contain liquid wastes in a controlled area.
other alternatives are reasonablyavailable. PLAN 3.CONCRETE WASHOUT STRUCTURE NEEDS TO BE PLAN INCHES OF FREEBOARD.
CLEARY MARKED WITH SIGNAGE NOTING DEVICE.
0 4. Locate waste containers on areas that do not receive substantial amounts of runoff from upland areas NEEDS TO BE CLEARY MARKED WITH 3 CONCRETE WASHOUT STRUCTURE 4. Containment must be labeled, sized and placed appropriately for the needs of site.
Z and does not drain direct) to a storm drain, stream or wetland. p SIGNAGE NOTING DEVICE. S. Prevent the discharge of soaps, solvents, detergents and other liquid wastes from construction
y BELOW GRADE WASHOUT STRUCTURE ABOVE GRADE WASHOUT STRUCTURE
0 S. Cover waste containers at the end of each workday and before storm events or provide secondary "°T SALE NOT TO SCALE sites.
Z containment. Repair or replace damaged waste containers.
6. Anchor all lightweight items in waste containers during times of high winds.
0
> 7. Empty waste containers as needed to prevent overflow. Clean up immediately if containers overflow.
J 8. Dispose waste off-site at an approved disposal facility.
9. On business days, clean up and dispose of waste in designated waste containers. "
0
7 NCGO I GROUND STABILIZATION MATERIALS HANDLING SELF-INSPECTION
DUKE
> WSP USA E N E RGY®
L ENVIRONMENT& INFRASTRUCTURE INC.
U) 5710 OLEANDER DRIVE,SUITE 110 PROGRESS
RECORDKEEPING AND REPORTING WI52-118ONAX:(8403
(n TEL:[phone] FAX:[phone] 411 FAYETTEVILLE STREET
ENG.LICENSURE:F-1253 RALEIGH N.C. 27601
Q) TELEPHONE NO. [phone]
(n G 11/15/2024 ISSUED FOR REVIEW- 100% DESIGN RS WN MB
F 08/01/2024 ISSUED FOR REVIEW- 100% DESIGN WMN ML TL ti� CAROZ
TITLE SPRING HOPE 115KV
E 05/10/2024 ISSUED FOR REVIEW- 95% DESIGN WMN BBC TL 0 •' ESs SUBSTATION REBUILD
D 04/19/2024 ISSUED FOR REVIEW- 75% DESIGN WMN DCO TL a NCG01 NOTES
T C 03/15/2024 ISSUED FOR REVIEW- 50% DESIGN WMN BBC TL 14 3 s -F-4 LOCATION 805 EAST NASH STREET, SPRING HOPE, NC
m B 03/01/2024 ISSUED FOR REVIEW- 30% CONCEPTUAL RS WMN TL • • VpIN�. ' �: SCALE AS SHOWN SCALE RATIO 1:1 DEP PRJ. NO. 170911AO1
� lG+•• .. � ��' DRAWN RS CHK. WN APP. MB
A 12/15/2023 ISSUED FOR REVIEW-25% CONCEPTUAL WMN BBC TL /;I�NE+"118,,��
0 N0. DATE REVISION DR. CK. APP. DATE 11/15/2024 JOB NO. 7818230203 DWG NO.: RDC-28668-15 OF 18