NCG120072_Corrective Action Plan_20240530

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Cleveland County Landfill Facility
Corrective Action Plan for Total
Suspended Solids at Outfall SDO-003
MAY 3 0, 2024
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GikRAETT )P�
& MOOUE5■
Engineerino for the Power and Waste Industries
1029 W South Street, Raleigh, North Carolina 27603
0: 919-792-1900 • F: 866-311-7206
NC FIRM C-2910

CLEVELAND COUNTY LANDFILL FACILITY CORRECTIVE ACTION PLAN FOR TSS AT SDO-003
MAY 2024
CONTENTS
1.0 INTRODUCTION ................................................................................................................. 1
2.0 GENERAL LOCATION ........................................................................................................ 1
3.0 SITE..................................................................................................................................... 2
4.0 NARRATIVE DESCRIPTION OF INDUSTRIAL PROCESSES ........................................... 2
4.1 ACTIVITIES AT THE FACILITY....................................................................................... 2
4.2 SAMPLING DATA SUMMARY......................................................................................... 2
5.0 SUMMARY OF TSS EXCEEDANCES & RESPONSES AT SDO-003 ................................ 3
5.1 OUTFALL 003.................................................................................................................. 4
6.0 DISCUSSION AND PROPOSED CORRECTIVE ACTION.................................................. 5
7.0 BEGINNING AND COMPLETION OF CORRECTIVE ACTION .......................................... 6
FIGURE 1. LOCATION MAP .....................................................................................................A
FIGURE 2. SWPPP SITE AND DRAINAGE AREA MAP........................................................... B
ATTACHMENT 1. JANUARY 2024 SAMPLING EVENT LAB REPORT....................................0
ATTACHMENT 2. APRIL 2024 SAMPLING EVENT LAB REPORT..........................................D
ATTACHMENT 3: PHOTOGRAPHIC RECORD FOR MAY 8, 2024 INSPECTION................... E
ATTACHMENT 4. MARCH 2O20 CLEVELAND COUNTY EROSION AND SEDIMENT
CONTROL PLAN DRAWINGS .................................................................................................. F
ATTACHMENT 5. SKIMMER DESIGN CALCULATIONS .........................................................G
APPENDIX A. INSPECTION RECORD..................................................................................H
APPENDIX B. DESIGN CALCULATIONS ...............................................................................
GARRETT E/
& MOORE00,
Engineering for the Power and Waste Industries

CLEVELAND COUNTY LANDFILL FACILITY CORRECTIVE ACTION PLAN FOR TSS AT SDO-003
MAY 2024
1.0 INTRODUCTION
The Cleveland County Landfill Facility is located near the town of Shelby, North Carolina. Industrial
stormwater discharges from the facility are permitted under NDPES General Permit NCG120000
(Certificate of Coverage NCG120072). The property is ±918.2 acres, and consists of a citizens'
convenience center, white goods storage area, closed MSW landfills, yard waste processing and
composting areas, active construction and demolition (C&D) debris landfill, active municipal solid waste
(MSW) landfill, and soil borrow/stockpile areas. During the period beginning on the effective date of the
Certificate of Coverage and lasting until expiration of the General Permit, the permittee is authorized to
discharge:
• Stormwater point source discharges associated with activities categorized as landfills.
• Stormwater point source discharges from like industrial activities.
• Any other point source discharge to surface waters of the state is prohibited unless it is an
allowable non- stormwater discharge or is covered by another permit, authorization, or approval.
Outfalls, best management practices (BMPs), and potential pollutants for each outfall are indicated in
Figure 2. Permittee and contact information are as follows:
Permitee: Cleveland County
Permit Number: NCG120072
Name of Facility: Cleveland County Landfill
Location: 250 Fielding Rd, Cherryville, NC 28021
& 1607 Airport Rd, Shelby, NC 28150
Phone: [phone]
Estimate of Total Site Area: ±918.2 acres
Receiving Stream(s): Buffalo Creek & Long Creek
Responsible Official/ Joshua A. Davis, Solid Waste Director
Facility Contact: 311 East Marion Street, Shelby, NC 28150
[e-mail]
[phone]
Engineer Contact: Garrett & Moore, Inc.
Caroline L. Funderburk, PE
1029 W South St., Raleigh, NC 27603
[e-mail]
[phone]
2.0 GENERAL LOCATION
A General Location Map is provided in Figure 1 at the end of this report. The facility is located within
the Waco USGS Quadrangle. As shown on the General Location Map, the northern portion of the facility
is located off of Fielding Road, and the southern portion of the facility is off of Airport Road. Receiving
Page 1 of 6
GARRETT
& MOORE
Engineering for the Power and Waste Industries

CLEVELAND COUNTY LANDFILL FACILITY CORRECTIVE ACTION PLAN FOR TSS AT SDO-003
MAY 2024
waters are Buffalo Creek (AU ID 12853) and Long Creek (AU ID 12862), both of classification WS-III.
Receiving waters occur within the Broad River Basin. The receiving waters do not appear on the State's
303(d) list of impaired waters and are not located in a watershed for which a TMDL has been
established.
3.0 SITE
A site map is presented in Figure 2, drawn to scale, showing: property boundary; site topography;
buildings, roads, parking areas and other built-upon areas; industrial activity areas; stormwater
discharge outfalls; delineated drainage area for each outfall; stormwater control measures (SCMs); all
stormwater collection/drainage features, structures and direction of flow; on-site and adjacent surface
waters and wetlands; and a graphic scale and north arrow. Table 1, including the latitudes and
longitudes of all outfalls, is below.
Table 1. NCG 120072 NPDES Stormwater Cl utfall Summary
% Waterbody Stream Waterbody
Outfall# Description Lat Long / Basin
Stormwater Industrial Name Index# Classification
SDO1 SDO1 monitors CDLF 35.33302527 -81.48270241 100 0 Broad Long Creek 9-53-3-(1) WS-III
SD02 SD02 Self McNeily LF 35.33853619 -81.47387154 100 0 Broad Buffalo Creek 9-53-(1) WS-III
SD03 SD03 monitors CDLF 35.32774581 -81.48407313 100 0 Broad Long Creek 9-53-3-(1) WS-III
SD04 SD04 Self McNeily LF 35.33693795 -81.47350043 100 0 Broad Buffalo Creek 9-53-(1) WS-III
SD05 SD05 Self McNeily LF 35.33669614 -81.47143497 100 0 Broad Buffalo Creek 9-53-(1) WS-III
SD06 SD06 Self McNeily LF 35.33663124 -81.46876952 100 0 Broad Buffalo Creek 9-53-(1) WS-III
SD07 SD07 Self McNeily LF 35.34248891 -81.47201566 100 0 Broad Suck Creek 9-53-2.7 WS-III
SD08 SD08 Soil Borrow Area 35.34387161 -81.46907781 100 0 Broad Suck Creek 9-53-2.7 WS-111
SD09 SD09 Soil Borrow Area 35.3420935 -81.465999911 1001 0 1 Broad I Suck Creek 9-53-2.7 WS-111
4.0 NARRATIVE DESCRIPTION OF INDUSTRIAL PROCESSES
This section provides a description of potential sources which may reasonably be expected to have the
potential to add significant amounts of pollutants to storm water discharges.
4.1 ACTIVITIES AT THE FACILITY
The Cleveland County Landfill Facility is a comprehensive solid waste management facility.
Activities at the site include an active Construction and Demolition (C&D) debris landfill, an active
Municipal Solid Waste (MSW) landfill, soil borrow areas, maintenance shop, composting, fueling
area, and citizen's drop-off convenience center.
4.2 SAMPLING DATA SUMMARY
A summary of existing discharge analytical sampling data collected during the term of this permit is
included in the Table 2, below.
P
GARRETT E�02 age 2 of 6
& MOORE
Engineering for the Power and Waste Industries

CLEVELAND COUNTY LANDFILL FACILITY CORRECTIVE ACTION PLAN FOR TSS AT SDO-003
MAY 2024
Table 2. Analytical Sampling Data Summary for Permit Term (July 1, 2021 - June 30, 2026)
Date Rainfall pH T55 Fecal Coliform COD New Oil Oil/Grease
(inches) (su) (mg/L) (#/100mL) (mg/L) (gal/month) (mg/L)
Benchmark: 6.0-9.0 100 1000 120 15
SDO 001 11/11/2022 0.98 7.67 73.5 2420(A) 51.8 N/A N/A
12/15/2022 2 8 201 4,700 23.8 N/A N/A
3/27/2023 0.48 7.78 51.6 5,300 79.8 N/A N/A
6/20/2023 1.44 8.06 40 3,800 92.2 N/A N/A
8/13/2023 0.37 7.9 26.9 1,800 36.3 N/A N/A
1/9/2024(C) 4.9 8.13 342 1,553 29.7 N/A N/A
4/11/2024(D) 0.6 8.39 7.86 350 87.1 N/A N/A
5/14/2024(D) 0.27 7.7 52.6 280 56.8 N/A N/A
SDO 003 11/11/2022 0.98 7.72 50 2420(A) 51.6 60 <0.806
12/15/2022 2 7.9 102 3,200 32.2 0 1.14
3/27/2023 0.48 7.91 126 1,100 24.1 60 <0.725
6/20/2023 1.44 7.94 123 2,500 35.5 60 <0.797
8/13/2023 0.37 7.98 183 4,600 17.2 60 1.4
1/9/2024(C) 4.9 8.05 158 1,414 51.9 60 1.62
4/11/2024(D) 0.6 8.08 381 909 42.4 60 1.63
5/14/2024(D) 0.27 7.9 33.7 173 61.4 60 <4.8
SDO 006 3/27/2023 0.48 7.57 163 6700(B) 27.8 N/A N/A
SDO 007 11/11/2022 0.98 7.52 40 2420(A) 89.4 30 1.44
12/15/2022 2 7.92 204 2,600 43 0 1
3/27/2023 0.48 7.79 57.5 2,500 14.6 30 0.84
6/20/2023 1.44 7.92 31.3 8,400 31.3 30 <0.771
8/13/2023 0.37 7.6 167 >6000 418 30 <0.78
1/9/2024(C) 4.9 8.16 378 980 94.9 30 1.3
4/11/2024(D) 0.6 8.07 19.3 27 21.5 30 <0.824
5/14/2024(D) 0.27 7.6 5.9 77 28.9 30 <4.8
SDO 008 11/11/2022 0.98 7.66 14.4 649(A) 11.7 N/A N/A
8/13/2023 0.37 7.63 94.7 3100 ND N/A N/A
1/9/2024(C) 4.9 7.85 222 148.3 11.9 N/A N/A
SDO 001 Ditch 1 6/20/2023 1.44 N/A N/Al 2,300 N/A N/A N/A
SDO 007 Ditch A 1 8/13/2023 0.37 N/A N/Al >6000 N/A N/A N/A
SDO 007 Ditch B 1 8/13/2023 0.37 N/A N/Al >6000 N/A N/A N/A
Notes: A bold result indicates a benchmark exceedance.
(A)Fecal Coliform Results for November 2022 event determined to be suspect-resampled where able in December 2022.
(B)Sample results for SDO 006 are invalid-sample not taken from discharge point,but taken below the discharge point in a ponded area.
(C)Atypical sampling event.Fecal coliform samples were out of hold time when tested,due to lab error.Adverse weather caused widespread
damage to drainage areas,causing atypically elevated TSS in all samples from the facility.Not considered as characteristic of volume and nature
of permitted discharge from the facility.Washouts have been identified and repaired.
(D)The CAP for fecal coliform at the facility had yet to be approved-no changes have yet been made to the site,other than regular
maintenance of ponds.It is unknown what may have caused the significant drop in fecal coliform for the April and May 2024 sampling events.
5.0 SUMMARY OF TSS EXCEEDANCES&RESPONSES AT SDO-003
A general BMP description is provided for each documented drainage area shown in Figure 2. A
detailed description of the SDO-003 drainage area, potential pollutants caused by associated industrial
activities, existing BMPs, and a history of TSS exceedances/inspections/responses in 2024 is provided
below.
P
GARRETT E�02 age 3 of 6
& MOORE
Engineering for the Power and Waste Industries

CLEVELAND COUNTY LANDFILL FACILITY CORRECTIVE ACTION PLAN FOR TSS AT SDO-003
MAY 2024
5.1 OUTFALL 003
Description: Outfall 003 serves a drainage area of approximately 10.9 acres. Activities within the
drainage area include the active C&D landfill area and Equipment Maintenance Shop. Potential
pollutants that may be expected in the drainage area for Outfall 003 consist of seepage from the
C&D landfill, oil/grease from the maintenance area, and soil particulate matter resulting from
erosion.
Existing BMPs: The drainage area flows to an engineered storm water/sedimentation pond with a
skimmer, perforated riser, and barrel outlet. The existing outlet structure is designed for peak flow
attenuation during a storm event and settling efficiency to minimize the offsite migration of sediment.
Seepage generation is minimized by the application of cover soil on landfilled waste, thereby
reducing the potential for seepage breakouts to the storm water system.
History of 2024 TSS Exceedances:
1. January 9, 2024, was the fifth exceedance of TSS at SDO-003 during the permit term, and
was 158 mg/L (see Attachment 1 for full lab report). This exceedance occurred prior to
implementation of the October 2023 Corrective Action Plan for TSS at SDO-003, approved
December 21, 2023.
a. Inspection: An inspection was performed on January 10, 2024, by Caroline
Funderburk, P.E. (See Appendix A — TSS Exceedance Inspection Reports), in
response to the exceedance. The inspection sought to identify obvious sources of
TSS within the drainage are for SDO-003 that could be remedied, such as
improvement of housekeeping, cleaning out ponds, evidence of erosion, and
minimizing bare soil within the drainage area. At the time of the inspection, it was
observed that the rainfall event on 1/9/2024 was an extreme weather even (4.9 inches
of rainfall) that caused severe washouts and erosion in several locations on the site.
TSS over the benchmark was observed in all samples collected during this rainfall
event. General facility repairs had begun and were underway during the inspection.
Specific to the drainage area to and the outfall of SDO-003, some erosion was
observed at the outfall and in the roadside ditch in the drainage area; debris washed
into the impoundment by the storm had collected around the trash rack on the riser;
some silt was observed around the downdrain upstream of the rock berm.
b. Response: In response to the exceedance and the inspection, it was recommended
that additional riprap be added to the energy dissipator at the outfall, that the debris
be removed from the impoundment and the outlet structure, and that the pond be
cleaned out following the extreme weather event. No additional corrective action was
recommended at this time, as the existing corrective action plan had yet to be
implemented at the time of the January rainfall event.
Page 4 of 6
GARRETT EAIP�
& MOORE
Engineering for the Power and Waste Industries

CLEVELAND COUNTY LANDFILL FACILITY CORRECTIVE ACTION PLAN FOR TSS AT SDO-003
MAY 2024
2. April 11, 2024, was the sixth exceedance of TSS at SDO-003 during the permit term, and
was 381 mg/L (see Attachment 2 for full lab report). This exceedance occurred following
implementation of the October 2023 Corrective Action Plan for TSS at SDO-003, approved
December 21, 2023. There was no discharge at SDO-003 for analytical sampling during
February and March of 2024.
a. Inspection: An inspection was performed on May 8, 2024, by Caroline Funderburk,
P.E. (See Appendix A), to investigate the exceedance. As with the January 2024
inspection, this inspection sought to identify obvious sources of TSS within the
drainage are for SDO-003 that could be remedied, such as improvement of
housekeeping, cleaning out ponds, evidence of erosion, and minimizing bare soil
within the drainage area. Water in impoundment of SDO-003 was observed to be a
brown color (Figure 1 of Attachment 3 — Photographic Record), likely due to the
suspended solids issue in this drainage area. The riprap dam upstream of the
impoundment (Figure 2 of Attachment 3) was not observed to have significant silt
deposits on its upstream side. A downdrain pipe (Figure 3 of Attachment 3) into the
impoundment from the SE corner of the C&D landfill is observed by operators to have
high flow during rainfall events. This may stir up silt at the bottom of the impoundment,
and add to the TSS of the water leaving the outfall. No visible sedimentation was
observed at the inlet to this downdrain (Figure 4 of Attachment 3). Additionally, a
diversion around the southwest corner of the C&DLF (Figures 5-7 of Attachment 3)
with rock check dams was observed to have silted in/washed out. Outlet structures
were free of obstruction. During the inspection, the C&DLF was well-covered with
intermediate and daily cover, and well-grassed with the exception of the working face,
which was neat and small.
b. Response: In response to an exceedance of TSS at SDO-003 following
implementation of the October 2023 corrective action plan, a new corrective action
plan must be developed. Based on observations during the inspection on May 8, 2024,
the corrective action plan should consist of proper stabilization of two stormwater
diversions within the drainage area. Riprap should be placed at the inlet and outlet of
the downdrain pipe pictured in Figure 3 of Attachment 3. Additionally, rock check dams
were insufficient to handle flow within the diversion pictured in Figures 5-7 of
Attachment 3 — this diversion should be rip-rap-lined to slow the flow through the
diversion during rainfall events to prevent washout/silting. All deposited sediment
should be cleaned out of the diversions and impoundment.
6.0 DISCUSSION AND PROPOSED CORRECTIVE ACTION
The drainage area to SDO-003 flows to an engineered storm water/sedimentation pond (SP-5) with a
skimmer, perforated riser, and barrel outlet (see the March 2020 Cleveland County Erosion and
Sediment Control Plan drawings in Attachment 4). The existing outlet structure is designed for peak
flow attenuation during a storm event and settling efficiency to minimize the offsite migration of
Page 5 of 6
GARRETT
& MOORE
Engineering for the Power and Waste Industries

CLEVELAND COUNTY LANDFILL FACILITY CORRECTIVE ACTION PLAN FOR TSS AT SDO-003
MAY 2024
sediment. The skimmer for SP-5 is a 6-inch skimmer with an orifice of 2.75 inches, and was designed
to dewater the impoundment to SDO-003 in three days (see detail 7/5 on Sheet 5 of Attachment 4, and
skimmer design calculations in Attachment 5). Previous improvements under the October 2023
corrective action plan included increasing the thickness of the skimmer pad for S13-5 from 6 inches to
1 foot in thickness using Class B stone; cleaning out the impoundment whenever sediment deposits
approached 1 foot in depth; and flushing the skimmer of any collected sediment/debris.
Given the previous improvements within the drainage area to SDO-003, as well as the inspection
records in Appendix A, the source of elevated TSS in discharge from outfall SDO-003 is believed to be
due to insufficient stabilization of the diversions identified in Figure 3 and Figures 5-7 of Attachment 3.
For proper stabilization of the diversions, riprap should be placed at the inlet and outlet of the downdrain
pipe pictured in Figure 3 of Attachment 3 (see energy dissipator calculations in Appendix B).
Additionally, the diversion in Figures 5-7 of Attachment 3 should be rip-rap-lined to slow the flow through
the diversion during rainfall events to prevent washout/silting (see channel lining calculations in
Appendix B). All deposited sediment should be cleaned out of the diversions and impoundment, and
flushed out of the skimmer, as required. Flushing the skimmer can be done by removing the orifice plug
or cap, raising the inlet of the skimmer as high as practical, and rinsing the barrel with water from a
facility water truck. Flushing the skimmer should be performed if sediment is observed in the skimmer
during regular inspections, or if the sediment elevation ever exceeds the depth of the improved skimmer
pad.
7.0 BEGINNING AND COMPLETION OF CORRECTIVE ACTION
The Corrective Action proposed in Section 6 will be implemented as soon as this action plan is approved
by DEMLR, and as weather permits, within three months of approval. Corrective Action will be
performed by Cleveland County Landfill Facility Staff. Future TSS exceedance will be avoided via
implementation of the Corrective Action identified in Section 6, and the continuation of good
maintenance and housekeeping within the drainage area to SDO-003.
The sampling event following completion of all corrective actions identified in Section 6 should indicate
whether or not the corrective actions have successfully reduced the TSS in discharge from SDO-003.
Should the sampling event following completion of corrective actions result in another exceedance of
TSS, a new corrective action plan will be submitted within one month of receipt of the lab results for the
sampling event. Per the Tier Three response required by NCG120000, monthly monitoring will continue
at SDO-003 until three consecutive samples are below the benchmark value for TSS.
Page 6 of 6
GARRETT
& MOORE
Engineering for the Power and Waste Industries

FIGURE 1. LOCATION MAP

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TEL: [phone] CLEVELAND COUNTY LANDFILL FACILITY
& MOORE , FAX: [phone] LOCATION MAP
www.garrett-moore.com
Engineering for the Power and Waste Industries NC FIRM C-2910

FIGURE 2. SWPPP SITE AND DRAINAGE AREA MAP

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GARY HEAD, LANDFILL MANAGER DESIGNATE AND TRAIN STAFF POLLUTION PREVENTION TEAM MEMBERS
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SITE DESCRIPTION
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OWNER SWPPP CONTACT PROPERTY
r CLEVELAND COUNTY GARRETT & MOOOE INC. LAT/LONG: 35.338004N -81.472533W
1 * p `}• • " - .''` - - 250 FIELDING ROAD 1029 W SOUTH STREET TOTAL AREA: 919 AC
• F - CHERRYVILLE NC 28021 RALEIGH NC 27603 INDUSTRIAL AREA EXPOSED TO
• P, ,,,. [phone] VANCE MOOOE, PE STORMWATER: 151.6 AC
y ., _
_ �. '�;.: ': • � - ,�. (919) 792 1900
ACTIVITIES AT THE FACILITY
•" ' - THE CLEVELAND COUNTY LANDFILL IS CURRENTLY HOME TO A MSW LANDFILL, A C&D LANDFILL,
A CITIZEN ' S CONVENIENCE CENTER, BORROW AREAS, MAINTENANCE SHOP, WHITE GOODS
STORAGE AREA, FUELING AREA, AND COMPOST AREAS.
= y, SCHEDULES AND PROCEDURES
QUARTERLY PREVENTATIVE MAINTENANCE & GOOD HOUSEKEEPING INSPECTION
PREVENTATIVE MAINTENANCE & GOOD HOUSEKEEPING (PMGH) INSPECTIONS SHALL OCCUR AT A MINIMUM ON A
QUARTERLY SCHEDULE (JANUARY-MARCH, APRIL-JUNE, JULY-SEPTEMBER, OCTOBER-DECEMBER) . RECORD PMGH
INSPECTIONS USING THE PMGH FORM IN THE SWPPP, AND MAINTAIN WITH SWPPP RECORDS.
,fir • � - — -
�``` •` ``"' `• - ' - _r_ DESCRIPTION:ANALYTICAL MONITORING
>� - •��=�• t QUARTERLY
ANALYTICAL MONITORING OF STORMWATER DISCHARGES FOR CHEMICAL OXYGEN DEMAND, FECAL COLIFORM,
_ PH, TOTAL SUSPENDED SOLIDS, AND NON-POLAR OIL/GREASE (FOR DRAINAGE AREAS IN WHICH >55 GALLONS
OF MOTOR/HYDRAULIC OIL IS USED PER MONTH) . FOR EACH SAMPLED MEASURABLE STORM EVENT, THE
777 TOTAL PRECIPITATION MUST BE RECORDED VIA AN ON-SITE RAIN GAUGE. SAMPLING RESULTS FOR EACH
PARAMETER SHALL BE COMPARED TO THE BENCHMARK VALUES.
`• �" i;■ +� MEASUREMENT FREQUENCY:
4 TIMES PER YEAR (ONCE PER PERIOD) DURING A MEASURABLE STORM EVENT - THE PREVIOUS MEASURABLE
STORM EVENT MUST HAVE BEEN AT LEAST 72 HOURS PRIOR. A MINIMUM OF 30 DAYS MUST SEPARATE
• r '" SAMPLE DATES.
PERIOD 1 JANUARY 1 - MARCH 31
;; r ~' �, 11 - •f K - PERIOD 2 APRIL 1 - JUNE 30
f/r - PERIOD 3 JULY 1 - SEPTEMBER 30
�' •,z •,, - PERIOD 4 OCTOBER 1 - DECEMBER 31
` MONITORING LOCATIONS:
.,
GRAB SAMPLES SHALL BE COLLECTED FROM EACH STORMWATER DISCHARGE OUTFACE (SDO) WITHIN THE
: s FIRST 30 MINUTES OF DISCHARGE. WHEN PHYSICAL SEPARATION BETWEEN OUTFALLS PREVENTS COLLEC-
TING ALL SAMPLES WITHIN THE FIRST 30 MINUTES, SAMPLING SHALL BEGIN WITHIN THE FIRST 30 MINUTES,
� •;-, AND SHALL CONTINUE UNTIL COMPLETED. IF NO DISCHARGE OCCURS DURING THE SAMPLING PERIOD, THE
",•6 r . PERMITTEE MUST RECORD "NO FLOW" OR "NO DISCHARGE" . RECORD TOTAL PRECIPITATION FROM AN ON-
f
SITE RAIN GAUGE.
t PAPER REPORTING: - SWITCH TO eDMR REPORTING JANUARY 1, 2022
° . �� _ :�, " •_ COMPLETE, SIGN, SCAN, AND SUBMIT THE STORMWATER DISCHARGE MONITORING REPORT (DMR) FORM
` r F • 4 VIA THE STORMWATER NPDES PERMIT DMR UPLOAD FORM (HTTPS: //EDOCS. DEQ. NC. GOV/FORMS/SW-DMR)
�: � • Ks. ,t J WITHIN 30 DAYS OF RECEIVING SAMPLING RESULTS. MAIL THE ORIGINAL, SIGNED HARD-COPY OF THE DMR
< TO THE MOORESVILLE DEMLR REGIONAL OFFICE:
r`
r 9
_ 610 EAST CENTER AVENUE
SUITE 301
MOORESVILLE, NC 28115
PHONE: [phone]
FAX: [phone]
Y�l Y• v
AS OF THE JANUARY 2024 UPDATE:
> OUTFALLS 001 AND 007 ARE MONITORED MONTHLY DUE TO FECAL COLIFORM BENCHMARK EXCEEDANCES.
' > OUTFALL 003 IS MONITORED MONTHLY SUE TO FECAL COLIFORM AND TOTAL SUSPENDED SOLIDS BENCH-
, _ MARK EXCEEDANCES.
� :�• •� QUARTERLY QUALITATIVE MONITORING
i' • 11 DESCRIPTION:
VISUAL INSPECTION OF EACH STORMWATER OUTFALL ASSOCIATED WITH INDUSTRIAL ACTIVITY FOR: COLOR,
ODOR, CLARITY, FLOATING SOLIDS, SUSPENDED SOLIDS, FOAM, OIL SHEEN, EROSION OR DEPOSITION AT
OUTFALL, AND OTHER INDICATORS OF STORMWATER POLLUTION.
ry �_ - • .�._;�`° MEASUREMENT FREQUENCY:
. 4 TIMES PER YEAR (ONCE PER PERIOD) ; PERFORMED SIMULTANEOUSLY WITH REQUIRED ANALYTICAL MON-
ITORING EVENTS DURING A MEASURABLE STORM EVENT.
MONITORING LOCATIONS:
QUALITATIVE MONITORING SHALL BE PERFORMED AT EACH STORMWATER DISCHARGE OUTFALL (SDO) AS-
SOCIATED WITH INDUSTRIAL ACTIVITY.
►►►666Ahmbm
j REPORTING:
RECORD THE REQUIRED QUALITATIVE MONITORING OBSERVATIONS ON THE SDO QUALITATIVE MONITOR-
` ING REPORT FORM (FORM SWU-242) PROVIDED BY THE DIVISION. FOR NOTED ATYPICAL CONDITIONS,
`` .; • 11 r 11. DOCUMENT SUSPECTED CAUSE AND ACTIONS TAKEN IN RESPONSE. RETAIN THE COMPLETED FORMS ON
' k • 11 _ SITE. QUALITATIVE MONITORING RESULTS SHOULD NOT BE SUBMITTED TO THE DIVISION, EXCEPT UPON
DEMLR S REQUEST.
' r INDICATE BELOW THE DATE OF INSPECTION AND INITIALS OF SWPPP TEAM MEMBER PERFORMING THE
• •
INSPECTION.
ANNUAL- COMPREHENSIVE
AN ANNUAL COMPREHENSIVE INSPECTION SHALL BE CONDUCTED BY QUALIFIED PERSONNEL, WITH AT LEAST
ONE MEMBER OF THE STORM WATER POLLUTION PREVENTION TEAM. SIMULTANEOUSLY, THE FACILITY WILL
_ BE EVALUATED FOR THE PRESENCE OF NON-STORMWATER DISCHARGES. REFER TO ANNUAL COMPREHENSIVE
INSPECTION REPORT RECORDS.
.; , ANNUAL- EMPLOYEE TRAINING
PERMIT INFORMATION: ALL EMPLOYEES WHO WORK IN AREAS WHERE INDUSTRIAL MATERIALS OR ACTIVITIES ARE EXPOSED TO STORM-
WATER, OR WHO ARE RESPONSIBLE FOR EXECUTING PORTIONS OF THE SWPPP, SHALL RECEIVE TRAINING.
•' ' • �• ' � Y CERTIFICATE OF COVERAGE: NCG120072 EMPLOYEE TRAINING SHOULD BE DOCUMENTED USING THE EMPLOYEE TRAINING RECORD FORM AND KEPT WITH
?y$;Y • - • .r " SWPPP RECORDS.
!! :' =• : -`A FOR THE GENERAL PERMIT NCG120000 FOR LANDFILLS
14 �ii
EFFECTIVE JULY 1 2021.
a a RECORDKEEPING
THE FOLLOWING DOCUMENTS ARE MAINTAINED (FOR AT LEAST 5 YEARS) IN THE SWPPP RECORDKEEPING BINDER,
WHICH IS KEPT IN THE ENVIRONMENTAL SERVICES OFFICE AT THE LANDFILL.
-� • 1E x A. NPDES GENERAL PERMITS E. SPILL PREVENTION, CONTROL, & COUNTERMEASURE PLAN
SUMMARY OF INACTIVE OUTFACES B. EMPLOYEE TRAINING RECORD F. ANALYTICAL & QUALITATIVE MONITORING RECORDS
C. ANNUAL COMPREHENSIVE INSPECTIONS G. ALL CALIBRATION & MAINTENANCE RECORDS
• * & DESCRIPTION OF CONTROL MEASURES D. LIST OF SIGNIFICANT SPILLS AND LEAKS H. COPIES OF DATA USED TO COMPLETE THE NOTICE OF INTENT
r.. i
' �;' - q, . �' ' - 11 = '' `,-•„' : DRAIN SPILL PREVENTION & RESPONSE PROCEDURES
;� •! ' - ''� — •� ar•!• }�'�'•+ AREA OUTFACE CONTROL MEASURE ACTIVITY POTENTIAL POLLUTANTS
• ' ' ' =' • r;� i .r a J PLANNING AND PREPARATION
\ � :� a. "
T 4'" E1 001E PIPE / ENERGY - -
� � •�., � � ' ' �' ..� - DISSIPATOR � 1 . IMPLEMENT PROCEDURES FOR PLAINLY LABELING CONTAINERS THAT COULD BE SUSCEPTIBLE TO SPILLAGE
"- =` • T - - OR LEAKAGE TO ENCOURAGE PROPER HANDLING AND FACILITATE RAPID RESPONSE IF SPILLS OR LEAKS
O ,::• : = -
E2 002E DISSIPATORRGY OCCUR.
E3 003E POND W/ RISER - - 2. IMPLEMENT PREVENTATIVE MEASURES SUCH AS BARRIERS BETWEEN MATERIAL STORAGE AND TRAFFIC
A� T �„ AREAS, SECONDARY CONTAINMENT PROVISIONS, AND PROCEDURES FOR MATERIAL STORAGE AND HANDLING.
;:,, rod• r.:
• - �'�' -� �, E4 004E ROCK DAM - - 3. IMPLEMENT PROCEDURES FOR EXPEDITIOUSLY STOPPING, CONTAINING, AND CLEANING UP LEAKS, SPILLS,
K MUST BE
- SEDIMENT TRAP AND OTHER RELEASES. EMPLYOEES WHO MAY CAUSE, DETECT, OR RESPOND TO A SPILL OR LEA
TRAINED IN THESE PROCEDURES AN HAVE NECESSARY SPILL RESPONSE EQUIPMENT AVAILABLE.
- ° � 11 • �1, , E5 005E ROCK DAM - -
SEDIMENT TRAP FOR ALL SPILLS
1 . TAKE ANY STEPS NECESSARY TO ENSURE THE SAFETY OF ALL STAFF AND CUSTOMERS.
° t}` - SUMMARY OF POTENTIAL POLLUTANT SOURCES 2. DETERMINE THE SOURCE, SIZE, AND DIRECTION OF FLOW FROM THE SPILL.
o - r ,.�
& DESCRIPTION OF CONTROL MEASURES IF THERE IS NO THREAT TO PERSONAL SAFETY, THE FOLLOWING STEPS SHOULD BE IMPLEMENTED.
o -
r. 3. TAKE ACTION TO STOP THE SOURCE OF THE SPILL.
4. BEGIN CONTAINMENT BY PLACING SOIL BERMS OR PLUGGING STORM SEWER DRAINS OR OUTLET STRUCTURES
o '` a 11 1' ' +► DRAIN OUTFACE CONTROL MEASURE(1) ACTIVITY POTENTIAL POLLUTANTS) TO PREVENT THE SPILL FROM MOVING OFF-SITE.
AREA 5. STOP VEHICULAR OR FOOT TRAFFIC FROM ENTERING THE SPILL AREA.
cl
• 6. CONTROL ACCESS TO THE SPILL SITE.
001 POND W/ SKIMMER C&D LANDFILL SEDIMENT, LEACHATE 7. ENSURE THAT NO IGNITION SOURCES ARE PRESENT OR ALLOWED INTO THE SPILL SITE.
;�. & RISER
cl
B 008 POND W/ SKIMMER MSW LANDFILL SEDIMENT, LEACHATE IN THE EVENT OF A SIGNIFICANT SPILL
& RISER
,' 003 POND W/ SKIMMER C&D LANDFILL SEDIMENT, LEACHATE, 1. ENSURE THE SAFETY OF ALL STAFF AND CUSTOMERS.
h° (3) & RISER EQUIPMENT MAINTENANCE OIL/GREASE 2. CONTACT POLLUTION PREVENTION TEAM MEMBER TO DETERMINE IF SPILL CONTAINS A HAZARDOUS SUBSTANCE
OR OIL IN AN AMOUNT EQUAL TO OR IN EXCESS OF A REPORTABLE QUANTITY UNDER 40 CFR PART 110
¢; 4 004 SEDIMENT TRAP MSW LANDFILL SEDIMENT, LEACHATE 40 CFR PART 112, 40 CFR PART 117, OR 40 CFR PART 302. IF DETERMINED BY THE POLLUTION PREVENTION
TEAM THAT A SIGNIFICANT SPILL HAS OCCURED, CONTACT:
5 005 SEDIMENT TRAP MSW LANDFILL SEDIMENT, LEACHATE THE NATIONAL RESPONSE CENTER (NRC) 800-424-8802
cu NC DEG 24-HOUR EMERGENCY: 1- 800-858-0368
cu EPA, REGION IV: (404) 347-4062
0 6 006 POND W/ RISER MSW LANDFILL SEDIMENT, LEACHATE CLEVELAND COUNTY EMS: 704-484-4841
N 3. DOCUMENT LOCATION OF SPILL ON PLAN, ESTIMATED QUANTITY, AND CONTAINMENT/CLEANUP MEASURES
POND W/ SKIMMER MSW LANDFILL, SEDIMENT, LEACHATE, EMPLOYED.
7 007 & RISER EQUIPMENT MAINTENANCE OIL/GREASE
8 008 POND W/ RISER SOIL BORROW AREA SEDIMENT
GRAPHIC SCALE: 1'=400' CERTIFICATION
I CERTIFY, UNDER PENALTY OF LAW THAT THIS DOCUMENT AND ALL ATTACHMENTS WERE PREPARED UNDER MY
9 009 POND W/ RISER SOIL BORROW AREA SEDIMENT DIRECTION OR SUPERVISION IN ACCORDANCE WITH A SYSTEM DESIGNED TO ASSURE THAT QUALIFIED PERSONNEL
4, 0 400 800 PROPERLY GATHER AND EVALUATE THE INFORMATION SUBMITTED. BASED ON MY INQUIRY OF THE PERSON OR
C
NOTES: PERSONS WHO MANAGE THE SYSTEM, OR THOSE PERSONS DIRECTLY RESPONSIBLE FOR GATHERING THE
+� (1) CONTROL MEASURES ARE DESIGNED AND PERMITTED TO MEET STANDARDS DESCRIBED IN NCSPC ACT. INFORMATION, THE INFORMATION SUBMITTED IS, TO THE BEST OF MY KNOWLEDGE AND BELIEF, TRUE,
' (2) NO SIGNIFICANT SPILLS OR LEAKS HAVE OCCURRED IN THE PAST THREE YEARS. ACCURATE, AND COMPLETE. I AM AWARE THAT THERE ARE SIGNIFICANT PENALTIES FOR SUBMITTING FALSE
(3) AS OF JANUARY 2024 UPDATE, UNDER CORRECTIVE ACTION FOR TSS. INFORMATION, INCLUDING THE POSSIBLITY OF FINE AND IMPRISONMENT FOR KNOWING VIOLATION.
(4) SAMPLING DATA MAINTAINED IN FACILITY SWPPP. NAME/TITLE DATE
ED
REVISION DATE 208 HIGH HOUSE ROAD,SUITE 259
GARRETT C NORTH CAROLJNA 27513 FIGURE
TEL [phone] CLEVELAND COUNTY SOLID WASTE STORMWATER POLLUTION PREVENTION PLAN
& MOORE FAX: � 2
Engineering for the Power and Waste Industries NC FIRM C-2910

ATTACHMENT 1. JANUARY 2024 SAMPLING EVENT LAB REPORT

- -----------
- -----------
aceAnalXical o ANALYTICAL REPORT
January 17, 2024
FC
FSS
Withers & Ravenel Eng. - Standard
Sample Delivery Group: L1694831 [Cn]
Samples Received: 01/10/2024 FrProject Number: 02180252.20
Description: Cleveland County Landfill RC
E
Report To: Flora D'Souza
115 MacKenan Drive [Al
Cary, NC 27511
FC
Entire Report Reviewed By: 4�41
Heather J Wagner
Project Manager
Results relate only to the items tested or calibrated and are reported as rounded values.This test report shall not be
reproduced,except in full,without written approval of the laboratory.Where applicable,sampling conducted by Pace
Analytical National is performed per guidance provided in laboratory standard operating procedures ENV-SOP-MTJL-0067 and
ENV-SOP-MTJL-0068.Where sampling conducted by the customer,results relate to the accuracy of the information provided,
and as the samples are received.
Oil 41
MW
Pace Analytical National
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 1 of 16

TABLE OF CONTENTS
Cp:Cover Page
Tc:Table of Contents 2
Ss:Sample Summary 3
Cn: Case Narrative 4
Sr:Sample Results 5
SDO01 L1694831-01 5
[Cn]
SDO03 L1694831-02 6
SDO08 L1694831-03 7 Fr
SDO07 L1694831-04 8
Qc:Quality Control Summary 9 RC
Microbiology by Method 9223 B-2016 9
Gravimetric Analysis by Method 2540 D-2015 10 F
Wet Chemistry by Method 1664B 11 rAl
Wet Chemistry by Method 410.4 12
FSCWet Chemistry by Method 4500H+ B-2011 13
GI:Glossary of Terms 14
Al:Accreditations& Locations 15
Sc:Sample Chain of Custody 16
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 2 of 16

- ------- ----
SAMPLE SUMMARY
Collected by Collected date/time Received date/time
SDO01 L1694831-01 WW S.Powell 01/09/2407:35 01/10/2409:00
Method Batch Dilution Preparation Analysis Analyst Location Cp
date/time date/time z
Tc
Microbiology by Method 9223 B-2016 WG2204550 1 01/11/2411:37 01/11/2411:37 CM Mt.Juliet,TN
Gravimetric Analysis by Method 2540 D-2015 WG2205663 1 01/11/24 20:07 01/11/24 22:20 CAT Mt.Juliet,TN
Wet Chemistry by Method 410.4 WG2204785 1 01/10/24 20:10 01/11/24 01:12 CRB Mt.Juliet,TN
Wet Chemistry by Method 4500H+B-2011 WG2204756 1 01/11/2411:20 01/11/2411:20 KRB Mt.Juliet,TN
4
Cn
Collected by Collected date/time Received date/time
SDO03 L1694831-02 WW S.Powell 01/09/2408:00 01/10/2409:00 FSr
Method Batch Dilution Preparation Analysis Analyst Location
date/time date/time 6QC
Microbiology by Method 9223 B-2016 WG2204550 1 01/11/2411:37 01/11/2411:37 CM Mt.Juliet,TN
Gravimetric Analysis by Method 2540 D-2015 WG2205663 1 01/11/24 20:07 01/11/24 22:20 CAT Mt.Juliet,TN
Wet Chemistry by Method 1664B WG2205897 1 01/11/2414:49 01/12/24 23:35 DAL Mt.Juliet,TN GI
Wet Chemistry by Method 410.4 WG2204785 1 01/10/24 20:10 01/11/24 01:12 CRB Mt.Juliet,TN
Wet Chemistry by Method 4500H+B-2011 WG2204756 1 01/11/2411:20 01/11/2411:20 KRB Mt.Juliet,TN FAI
Collected by Collected date/time Received date/time FSC
SDO08 L1694831-03 WW S.Powell 01/09/2410:00 01/10/2409:00
Method Batch Dilution Preparation Analysis Analyst Location
date/time date/time
Microbiology by Method 9223 B-2016 WG2204550 1 01/11/2411:37 01/11/2411:37 CM Mt.Juliet,TN
Gravimetric Analysis by Method 2540 D-2015 WG2205663 1 01/11/24 20:07 01/11/24 22:20 CAT Mt.Juliet,TN
Wet Chemistry by Method 410.4 WG2204785 1 01/10/24 20:10 01/11/24 01:12 CRB Mt.Juliet,TN
Wet Chemistry by Method 4500H+B-2011 WG2204756 1 01/11/2411:20 01/11/2411:20 KRB Mt.Juliet,TN
Collected by Collected date/time Received date/time
SDO07 L1694831-04 WW S.Powell 01/09/2409:30 01/10/2409:00
Method Batch Dilution Preparation Analysis Analyst Location
date/time date/time
Microbiology by Method 9223 B-2016 WG2204550 1 01/11/2411:37 01/11/2411:37 CM Mt.Juliet,TN
Gravimetric Analysis by Method 2540 D-2015 WG2205663 1 01/11/24 20:07 01/11/24 22:20 CAT Mt.Juliet,TN
Wet Chemistry by Method 1664B WG2205897 1 01/11/2414:49 01/12/24 23:35 DAL Mt.Juliet,TN
Wet Chemistry by Method 410.4 WG2204785 1 01/10/24 20:10 01/11/24 01:13 CRB Mt.Juliet,TN
Wet Chemistry by Method 4500H+B-2011 WG2204756 1 01/11/2411:20 01/11/2411:20 KRB Mt.Juliet,TN
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 3 of 16

CASE NARRATIVE
All sample aliquots were received at the correct temperature, in the proper containers,with the FP
appropriate preservatives, and within method specified holding times, unless qualified or notated within
the report. Where applicable, all MDL(LOD)and RDL(LOQ)values reported for environmental samples FC
have been corrected for the dilution factor used in the analysis. All Method and Batch Quality Control
are within established criteria except where addressed in this case narrative, a non-conformance form
or properly qualified within the sample results. By my digital signature below, I affirm to the best of my FSS
knowledge, all problems/anomalies observed by the laboratory as having the potential to affect the
quality of the data have been identified by the laboratory, and no information or data have been
knowingly withheld that would affect the quality of the data.
Fr
RC
F,
Heather J Wagner FAI
Project Manager
FSC
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 4 of 16

SDO01 SAMPLE RESULTS - 01
Collected date/time: 01/09/24 07:35 L1694831
Microbiology by Method 9223 B-2016
Result Qualifier Dilution Analysis Batch FP1
Analyte MPN/100ml date/time
z
Fecal Coliform 1553.1 Q 1 01/11/202411:37 WG2204550 TC
Gravimetric Analysis by Method 2540 D-2015 FSS
Result Qualifier RDL Dilution Analysis Batch
Analyte ug/I ug/I date/time 4Cn
Suspended Solids 342000 50000 1 01/11/2024 22:20 WG2205663
Wet Chemistry by Method 410.4
Result Qualifier MDL RDL Dilution Analysis Batch
6
Analyte ug/I ug/I ug/I date/time QC
COD 29700 11700 20000 1 01/11/2024 01:12 WG2204785
�GI
Wet Chemistry by Method 4500H+ B-2011
Result Qualifier Dilution Analysis Batch FAI
Analyte su date/time
pH 8.13 T8 1 01/11/202411:20 WG2204756
FSC
Sample Narrative:
L1694831-01 WG2204756:8.13 at 18.6C
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 5 of 16

SDO03 SAMPLE RESULTS - 02
Collected date/time: 01/09/24 08:00 L1694831
Microbiology by Method 9223 B-2016
Result Qualifier Dilution Analysis Batch FP1
Analyte MPN/100ml date/time
z
Fecal Coliform 1413.6 Q 1 01/11/202411:37 WG2204550 TC
Gravimetric Analysis by Method 2540 D-2015 FSS
Result Qualifier RDL Dilution Analysis Batch
Analyte ug/I ug/I date/time 4Cn
Suspended Solids 158000 25000 1 01/11/2024 22:20 WG2205663
Wet Chemistry by Method 1664B
Result Qualifier MDL RDL Dilution Analysis Batch
6
Analyte ug/I ug/I ug/I date/time QC
TPH-Oil&Grease 1620 J 784 5410 1 01/12/2024 23:35 WG2205897
Sample Narrative: 7 GI
L1694831-02 WG2205897:Total Oil&Grease is non-detect.Extract was not processed through silica gel.
rAl
Wet Chemistry by Method 410.4
FSCResult Qualifier MDL RDL Dilution Analysis Batch
Analyte ug/I ug/I ug/I date/time
COD 51900 11700 20000 1 01/11/2024 01:12 WG2204785
Wet Chemistry by Method 4500H+ B-2011
Result Qualifier Dilution Analysis Batch
Analyte su date/time
pH 8.05 T8 1 01/11/202411:20 WG2204756
Sample Narrative:
L1694831-02 WG2204756:8.05 at 18.7C
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 6 of 16

SDO08 SAMPLE RESULTS - 03
Collected date/time: 01/09/24 10:00 L1694831
Microbiology by Method 9223 B-2016
Result Qualifier Dilution Analysis Batch FP1
Analyte MPN/100ml date/time
z
Fecal Coliform 148.3 Q 1 01/11/202411:37 WG2204550 TC
Gravimetric Analysis by Method 2540 D-2015 FSS
Result Qualifier RDL Dilution Analysis Batch
Analyte ug/I ug/I date/time 4Cn
Suspended Solids 222000 50000 1 01/11/2024 22:20 WG2205663
Wet Chemistry by Method 410.4
Result Qualifier MDL RDL Dilution Analysis Batch
6
Analyte ug/I ug/I ug/I date/time QC
COD 11900 J 11700 20000 1 01/11/2024 01:12 WG2204785
7G1
Wet Chemistry by Method 4500H+ B-2011
Result Qualifier Dilution Analysis Batch FAI
Analyte su date/time
pH 7.85 T8 1 01/11/202411:20 WG2204756
FSC
Sample Narrative:
L1694831-03 WG2204756:7.85 at 18.5C
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 7 of 16

SDO07 SAMPLE RESULTS - 04
Collected date/time: 01/09/24 09:30 L1694831
Microbiology by Method 9223 B-2016
Result Qualifier Dilution Analysis Batch FP1
Analyte MPN/100ml date/time
z
Fecal Coliform 980.4 Q 1 01/11/202411:37 WG2204550 TC
Gravimetric Analysis by Method 2540 D-2015 FSS
Result Qualifier RDL Dilution Analysis Batch
Analyte ug/I ug/I date/time 4Cn
Suspended Solids 378000 50000 1 01/11/2024 22:20 WG2205663
Wet Chemistry by Method 1664B
Result Qualifier MDL RDL Dilution Analysis Batch
6
Analyte ug/I ug/I ug/I date/time QC
TPH-Oil&Grease 1300 J 784 5410 1 01/12/2024 23:35 WG2205897
Sample Narrative: 7 GI
L1694831-04 WG2205897:Total Oil&Grease is non-detect.Extract was not processed through silica gel.
rAl
Wet Chemistry by Method 410.4
FSCResult Qualifier MDL RDL Dilution Analysis Batch
Analyte ug/I ug/I ug/I date/time
COD 94900 11700 20000 1 01/11/2024 01:13 WG2204785
Wet Chemistry by Method 4500H+ B-2011
Result Qualifier Dilution Analysis Batch
Analyte su date/time
pH 8.16 T8 1 01/11/202411:20 WG2204756
Sample Narrative:
L1694831-04 WG2204756:8.16 at 18.6C
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 8 of 16

WG2204550 QUALITY CONTROL SUMMARY
Microbiology by Method 9223 B-2016 1-1694831-01,02,03,04
Method Blank (MB) Fp](MB)R4023426-1 01/11/2411:37
MB Result MB Qualifier MB MDL MB RDL FC
Analyte MPN/100ml MPN/100ml MPN/100ml
Fecal Coliform <1
FSS
4
Cn
FSr
�GI
FAI
FSC
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 9 of 16

WG2205663 QUALITY CONTROL SUMMARY
Gravimetric Analysis by Method 2540 D-2015 1-1694831-01,02,03,04
Method Blank (MB) FP1(MB)R4022537-1 01/11/24 22:20
MB Result MB Qualifier MB MDL MB RDL z
Analyte ug/I ug/I ug/I TC
Suspended Solids U 2500 2500
FSS
L1694795-04 Original Sample (OS) • Duplicate (DUP)
(OS)L1694795-04 01/11/24 22:20•(DUP)R4022537-3 01/11/24 22:20 4Cn
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD s
Limits Sr
Analyte ug/I ug/I % %
Suspended Solids 26000 27600 1 5.97 P1 5
L1694902-01 Original Sample (OS) • Duplicate (DUP)
(OS)L1694902-01 01/11/24 22:20•(DUP)R4022537-4 01/11/24 22:20 7 GI
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits FAI
Analyte ug/I ug/I % %
Suspended Solids 38800 51200 1 27.6 J3 5 Fc
Laboratory Control Sample (LCS)
(LCS)R4022537-2 01/11/24 22:20
Spike Amount LCS Result LCS Rec. Rec.Limits LCS Qualifier
Analyte ug/I ug/I % %
Suspended Solids 773000 768000 99.4 85.0-115
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 10 of 16

WG2205897 QUALITY CONTROL SUMMARY
Wet Chemistry by Method 1664B L16 94 8 31-0 2,04
Method Blank (MB) FP1(MB)R4022667-1 01/12/24 23:35
MB Result MB Qualifier MB MDL MB RDL z
Analyte ug/I ug/I ug/I TC
TPH-Oil&Grease U 725 5000
FSS
Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD)
(LCS)R4022667-2 01/12/24 23:35•(LCSD)R4022667-3 01/12/24 23:35
4Cn
Spike Amount LCS Result LCSD Result LCS Rec. LCSD Rec. Rec.Limits LCS Qualifier LCSD Qualifier RPD RPD Limits —
FSr
Analyte ug/I Ug/I ug/I % % % % %
TPH-Oil&Grease 20000 15600 14500 78.0 72.5 64.0-132 7.31 34
�GI
FAI
FSC
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 11 of 16

WG2204785 QUALITY CONTROL SUMMARY
Wet Chemistry by Method 410.4 1-1694831-01,02,03,04
Method Blank (MB) FP1(MB)R4021895-1 01/11/24 01:06
MB Result MB Qualifier MB MDL MB RDL z
Analyte ug/I ug/I ug/I TC
COD U 11700 20000
FSS
L1694831-02 Original Sample (OS) • Duplicate (DUP)
(OS)L1694831-02 01/11/24 01:12•(DUP)R4021895-5 01/11/24 01:12 4Cn
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD s
Limits Sr
Analyte ug/I ug/I % %
COD 51900 52200 1 0.523 20
L1694963-03 Original Sample (OS) • Duplicate (DUP)
(OS)L1694963-03 01/11/24 01:14•(DUP)R4021895-6 01/11/24 01:14 7 GI
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits F
%
Analyte ug/I ug/I %
COD U U 1 0.000 20 FC
Laboratory Control Sample (LCS)
(LCS)R4021895-2 01/11/24 01:06
Spike Amount LCS Result LCS Rec. Rec.Limits LCS Qualifier
Analyte ug/I ug/I % %
COD 500000 498000 99.5 90.0-110
L1694807-01 Original Sample (OS) • Matrix Spike (MS) • Matrix Spike Duplicate (MSD)
(OS)L1694807-01 01/11/24 01:11•(MS)R4021895-3 01/11/24 01:11•(MSD)R4021895-4 01/11/24 01:11
Spike Amount Original Result MS Result MSD Result MS Rec. MSD Rec. Dilution Rec.Limits MS Qualifier MSD Qualifier RPD RPD Limits
Analyte ug/I ug/I ug/I ug/I % % % % %
COD 500000 230000 725000 695000 99.0 93.0 1 90.0-110 4.26 20
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 12 of 16

WG2204756 QUALITY CONTROL SUMMARY
Wet Chemistry by Method 4500H+ B-2011 1-1694831-01,02,03,04
L1694758-01 Original Sample (OS) • Duplicate (DUP) FP1(OS)L1694758-01 01/11/2411:20•(DUP)R4022066-2 01/11/2411:20
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD Fc
Limits
Analyte su su % %
pH 7.71 7.73 1 0.259 1 FSS
Sample Narrative:
OS:7.71 at 18.6C 4
Cn
DUP:7.73 at 20.1C
FSr
L1694988-01 Original Sample (OS) • Duplicate (DUP)
(OS)L1694988-01 01/11/2411:20•(DUP)R4022066-3 01/11/2411:20 �
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits
Analyte su su % % �GI
pH 8.03 8.03 1 0.000 1
Sample Narrative: FAI
OS:8.03 at 18.4C [Sc
DUP:8.03 at 19.2C
Laboratory Control Sample (LCS)
(LCS)R4022066-1 01/11/2411:20
Spike Amount LCS Result LCS Rec. Rec.Limits LCS Qualifier
Analyte su su % %
pH 10.0 10.0 100 99.0-101
Sample Narrative:
LCS:10.02 at 20.1C
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 13 of 16

GLOSSARY OF TERMS
Guide to Reading and Understanding Your Laboratory Report
The information below is designed to better explain the various terms used in your report of analytical results from the Laboratory. This is not FP1
intended as a comprehensive explanation,and if you have additional questions please contact your project representative.
FTC
Results Disclaimer-Information that may be provided by the customer,and contained within this report,include Permit Limits,Project Name,
Sample ID,Sample Matrix,Sample Preservation,Field Blanks,Field Spikes,Field Duplicates,On-Site Data,Sampling Collection Dates/Times,and
Sampling Location.Results relate to the accuracy of this information provided,and as the samples are received.
Abbreviations and Definitions FSS
MDL Method Detection Limit.RDL Reported Detection Limit. rCn]
Rec. Recovery.
RPD Relative Percent Difference. FSr
SDG Sample Delivery Group.
U Not detected at the Reporting Limit(or MDL where applicable). rq
Analyte The name of the particular compound or analysis performed.Some Analyses and Methods will have multiple analytes
reported.
If the sample matrix contains an interfering material,the sample preparation volume or weight values differ from the
Dilution standard,or if concentrations of analytes in the sample are higher than the highest limit of concentration that the
laboratory can accurately report,the sample may be diluted for analysis.If a value different than 1 is used in this field,the
result reported has already been corrected for this factor.
These are the target%recovery ranges or%difference value that the laboratory has historically determined as normal FAI
Limits for the method and analyte being reported.Successful QC Sample analysis will target all analytes recovered or
duplicated within these ranges.
Original Sample The non-spiked sample in the prep batch used to determine the Relative Percent Difference(RPD)from a quality control
sample.The Original Sample may not be included within the reported SDG. SC
This column provides a letter and/or number designation that corresponds to additional information concerning the result
Qualifier reported.If a Qualifier is present,a definition per Qualifier is provided within the Glossary and Definitions page and
potentially a discussion of possible implications of the Qualifier in the Case Narrative if applicable.
The actual analytical final result(corrected for any sample specific characteristics)reported for your sample.If there was
no measurable result returned for a specific analyte,the result in this column may state"ND"(Not Detected)or"BDL"
Result (Below Detectable Levels).The information in the results column should always be accompanied by either an MDL
(Method Detection Limit)or RDL(Reporting Detection Limit)that defines the lowest value that the laboratory could detect
or report for this analyte.
Uncertainty Confidence level of 2 sigma.
(Radiochemistry)
A brief discussion about the included sample results,including a discussion of any non-conformances to protocol
Case Narrative(Cn) observed either at sample receipt by the laboratory from the field or during the analytical process.If present,there will
be a section in the Case Narrative to discuss the meaning of any data qualifiers used in the report.
Quality Control This section of the report includes the results of the laboratory quality control analyses required by procedure or
Summary(Qc) analytical methods to assist in evaluating the validity of the results reported for your samples.These analyses are not
being performed on your samples typically,but on laboratory generated material.
This is the document created in the field when your samples were initially collected.This is used to verify the time and
Sample Chain of date of collection,the person collecting the samples,and the analyses that the laboratory is requested to perform.This
Custody(Sc) chain of custody also documents all persons(excluding commercial shippers)that have had control or possession of the
samples from the time of collection until delivery to the laboratory for analysis.
This section of your report will provide the results of all testing performed on your samples.These results are provided
Sample Results(Sr) by sample ID and are separated by the analyses performed on each sample.The header line of each analysis section for
each sample will provide the name and method number for the analysis reported.
Sample Summary(Ss) This section of the Analytical Report defines the specific analyses performed for each sample ID,including the dates and
times of preparation and/or analysis.
Qualifier Description
J The identification of the analyte is acceptable;the reported value is an estimate.
J3 The associated batch QC was outside the established quality control range for precision.
P1 RPD value not applicable for sample concentrations less than 5 times the reporting limit.
Q Sample was prepared and/or analyzed past holding time as defined in the method.Concentrations should be
considered minimum values.
T8 Sample(s)received past/too close to holding time expiration.
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 14 of 16

ACCREDITATIONS & LOCATIONS
Pace Analytical National 12065 Lebanon Rd Mount Juliet, TN 37122 FP1
Alabama 40660 Nebraska NE-OS-15-05
Alaska 17-026 Nevada TN000032021-1 F
Arizona AZ0612 New Hampshire 2975
Arkansas 88-0469 New Jersey—NELAP TN002
California 2932 New Mexico TN00003 3
Colorado TN00003 New York 11742 SS
Connecticut PH-0197 North Carolina Env375
Florida E87487 North Carolina' DW21704 4
Georgia NELAP North Carolinas 41 Cn
Georgia' 923 North Dakota R-140
Idaho TN00003 Ohio—VAP CL0069 FSr
Illinois 200008 Oklahoma 9915
Indiana C-TN-01 Oregon TN200002
Iowa 364 Pennsylvania 68-02979 Rc
Kansas E-10277 RhodeIsland LA000356
Kentucky'6 KY90010 South Carolina 84004002
Kentucky 2 16 South Dakota n/a 7
Louisiana A130792 Tennessee'° 2006 G
Louisiana LA018 Texas T104704245-20-18
Maine TN00003 Texas' LAB0152
Maryland 324 Utah TN000032021-11
Massachusetts M-TN003 Vermont VT2006
Michigan 9958 Virginia 110033 FSC
Minnesota 047-999-395 Washington C847
Mississippi TN00003 West Virginia 233
Missouri 340 Wisconsin 998093910
Montana CERT0086 Wyoming A21-A
A21-A—ISO 17025 1461.01 AIHA-LAP,LLC EMLAP 100789
A21-A—ISO 17025 5 1461.02 DOD 1461.01
Canada 1461.01 USDA P330-15-00234
EPA—Crypto TN00003
Drinking Water 2 Underground Storage Tanks s Aquatic Toxicity °Chemical/Microbiological 5 Mold 6 Wastewater n/a Accreditation not applicable
Not all certifications held by the laboratory are applicable to the results reported in the attached report.
Accreditation is only applicable to the test methods specified on each scope of accreditation held by Pace Analytical.
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1694831 01/17/2410:59 15 of 16

Company Name/Address. Billing Information:
Anal sk/fnntainc./Pr°aevaY a Chain of Custody Page_of_
Withers & Ravenel Eng. Standard Accounts Payable Pr's
115 MacKenan Drive
Cl e ace
115 MacKenan Drive Cary,NC 27511 pEpPL P°°"XpMp SL1N"
Cary,NC 27511
lV ' MTJULIET,TN
Email T¢[e-mail] uosum,.o�ee mo m m�n,.v"M
Report to: s,a,enaa,,.mm.•n,"„w..orn„ma
Flora D'SOU2d t " .o^vmm.,+n�owimrm.m me aam,a�a or m.
n..I,—.1d or'n'. ,ro1'd n:
City/State Please Cirde �.-Ll 1 V num iM,o ,..�+�,,oMwe,,rw,.umne
Project Description: PT MT CT ET
Cleveland County Landfill Collected:
C76
lient Project# lab Project It u Sir
Phone:[phone] 02180252.20 WITH RAVS-CLEVELAND 'o E220�.' P
p Ta _
Site/Facility ID# V
Collected by(print): 0 IAcctnum:WITH RAV$
OCNe� 0212180252.20
d © ( Template:T237935
Collected by(signature): Rush? (Lab MUST Be Notified) Quote# O
Z V Prelogin:P1024954
_Same Day _Five Day w
_Next Day _5 Day(Rad Only) Date Results Needed O O N Q PM: 3-Heat errl Wagner
Immediately —
Two Day —10 Day(Red Only) No. — = Pa. (/
Packed on Ice N_ Y —Three Day of U �
� Bhippe Via.FedEX Ground
Sample lD Comp/Grab Matrix' Depth Date Time ntrs
di
aL
W X -Q1
llDoo _ WIN 1� D X —OZ
ww Ode' X �
Sp ����---- - G WW X412 �O
IS
O
_--- - - salovie ggcti
elrtarks: pH Temp COC Seal Present/Intact [1P Y i.v
•Ma[nx' COC Signed/ncmrzate: �_
SS-Soil AIR-Air F-Filter Bottles arrive intact: N
GW-Groundwater e-Bioassay Flow Other— Correct bottles used: /B
L/
Sufficient volume sent: N
WW-WasteWdler (� Ifn '1 bt
DW-Drinking Water Samples returned via: Tracking# 6 %%A 11"A VOA zero Headspace: y> t+
OT-Other _UPS _FedEx _Courier Preservation Correct/Checked: ,n N
Recei eQ pyq(Suture) IWr of / Trip Blank Received: Yes/ Rno screen <0.5 mR/hr: �f �N
Date: Time: lIL(!)ll, (\/• Vf/t/(/•// HCl eoH
Relinquished b :(Signature) I
TBR
Bottles Received: If prese rw,oa9H5o2� ,N'
Date: Time: Rece ved by:(Signature) Temp: �� � - �16.1nr"
Re qui hed by:lSignature) /�/C.
( O x �Lt
O - — Date: Time: Hold: Condi ion:
Date: Time: eceive forlabby. ignature), +w ,.c�( NCF OK
Relinquished by:(Signature) I-10 •Z'l (./ Lml

ATTACHMENT 2. APRIL 2024 SAMPLING EVENT LAB REPORT

- -----------
- -----------
aceAnalXical o ANALYTICAL REPORT
April 22, 2024
FC
FSS
Withers & Ravenel Eng. - Standard
Sample Delivery Group: L1724929 [Cn]
Samples Received: 04/12/2024 FrProject Number: 02180252.20
Description: Cleveland County Landfill RC
E
Report To: Flora D'Souza
115 MacKenan Drive [Al
Cary, NC 27511
FC
Entire Report Reviewed By: 4�41
Heather J Wagner
Project Manager
Results relate only to the items tested or calibrated and are reported as rounded values.This test report shall not be
reproduced,except in full,without written approval of the laboratory.Where applicable,sampling conducted by Pace
Analytical National is performed per guidance provided in laboratory standard operating procedures ENV-SOP-MTJL-0067 and
ENV-SOP-MTJL-0068.Where sampling conducted by the customer,results relate to the accuracy of the information provided,
and as the samples are received.
Oil 41
MW
Pace Analytical National
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 1 of 18

TABLE OF CONTENTS
Cp:Cover Page
Tc:Table of Contents
Ss:Sample Summary
Cn: Case Narrative 4
Sr:Sample Results 5
SD-001 L1724929-01 5
[Cn]
SD-003 L1724929-02 6
SD-007 L1724929-03 7 Fr
Qc:Quality Control Summary 8
Gravimetric Analysis by Method 2540 D-2015 8 RC
Wet Chemistry by Method 1664B 10
Wet Chemistry by Method 410.4 11 F
Wet Chemistry by Method 4500H+ B-2011 13 rAl
GI:Glossary of Terms 14
Al:Accreditations&Locations 15 FSC
Sc:Sample Chain of Custody 16
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 2 of 18

SAMPLE SUMMARY
Collected by Collected date/time Received date/time
SD-001 L1724929-01 WW Steven Powell 04/11/2408:15 04/12/2409:00
Method Batch Dilution Preparation Analysis Analyst Location Cp
date/time date/time FTC
Gravimetric Analysis by Method 2540 D-2015 WG2267555 1 04/15/2417:29 04/16/2416:25 MMF Mt.Juliet,TN
Wet Chemistry by Method 410.4 WG2266337 1 04/13/24 09:00 04/13/2413:39 ARV Mt.Juliet,TN
Wet Chemistry by Method 4500H+B-2011 WG2266045 1 04/12/2418:30 04/12/2418:30 KRB Mt.Juliet,TN
Collected by Collected date/time Received date/time CCl
SD-003 L1724929-02 WW Steven Powell 04/11/2409:00 04/12/2409:00
FSr
Method Batch Dilution Preparation Analysis Analyst Location
date/time date/time
Gravimetric Analysis by Method 2540 D-2015 WG2267555 1 04/15/2417:29 04/16/2416:25 MMF Mt.Juliet,TN 6
QC
Wet Chemistry by Method 1664B WG2266995 1 04/14/24 09:48 04/15/2417:24 WAW Mt.Juliet,TN
Wet Chemistry by Method 410.4 WG2266871 1 04/14/2412:26 04/14/2417:06 SJA Mt.Juliet,TN
Wet Chemistry by Method 4500H+B-2011 WG2266045 1 04/12/2418:30 04/12/2418:30 KRB Mt.Juliet,TN G�
Collected by Collected date/time Received date/time $A�
SD-007 L1724929-03 WW Steven Powell 04/11/2410:50 04/12/2409:00
Method Batch Dilution Preparation Analysis Analyst Location SC
date/time date/time
Gravimetric Analysis by Method 2540 D-2015 WG2268362 1 04/16/2418:00 04/18/2417:02 DLS Mt.Juliet,TN
Wet Chemistry by Method 1664B WG2266995 1 04/14/24 09:48 04/15/2417:24 WAW Mt.Juliet,TN
Wet Chemistry by Method 410.4 WG2266871 1 04/14/2412:26 04/14/2417:06 SJA Mt.Juliet,TN
Wet Chemistry by Method 4500H+B-2011 WG2266045 1 04/12/2418:30 04/12/2418:30 KRB Mt.Juliet,TN
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 3 of 18

CASE NARRATIVE
All sample aliquots were received at the correct temperature, in the proper containers,with the FP
appropriate preservatives, and within method specified holding times, unless qualified or notated within
the report. Where applicable, all MDL(LOD)and RDL(LOQ)values reported for environmental samples FC
have been corrected for the dilution factor used in the analysis. All Method and Batch Quality Control
are within established criteria except where addressed in this case narrative, a non-conformance form
or properly qualified within the sample results. By my digital signature below, I affirm to the best of my FSS
knowledge, all problems/anomalies observed by the laboratory as having the potential to affect the
quality of the data have been identified by the laboratory, and no information or data have been
knowingly withheld that would affect the quality of the data.
Fr
RC
F,
Heather J Wagner FAI
Project Manager
FSC
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 4 of 18

SD-001 SAMPLE RESULTS - 01
Collected date/time: 04/11/24 08:15 L1724929
Gravimetric Analysis by Method 2540 D-2015
Result Qualifier RDL Dilution Analysis Batch FP1
Analyte ug/I ug/I date/time
FTC
Suspended Solids 7860 3580 1 04/16/202416:25 WG2267555
Wet Chemistry by Method 410.4 FSS
Result Qualifier MDL RDL Dilution Analysis Batch
Analyte ug/I ug/I ug/I date/time 4Cn
COD 87100 11700 20000 1 04/13/202413:39 WG2266337
Wet Chemistry by Method 4500H+ B-2011
Result Qualifier Dilution Analysis Batch
RCAnalyte su date/time
pH 8.39 T8 1 04/12/202418:30 WG2266045
Sample Narrative: 7 GI
L1724929-01 WG2266045:8.39 at 18.4C
FAI
FSC
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 5 of 18

SD-003 SAMPLE RESULTS - 02
Collected date/time: 04/11/24 09:00 L1724929
Gravimetric Analysis by Method 2540 D-2015
Result Qualifier RDL Dilution Analysis Batch FP1
Analyte ug/I ug/I date/time
FTC
Suspended Solids 381000 25000 1 04/16/202416:25 WG2267555
Wet Chemistry by Method 1664B FSS
Result Qualifier MDL RDL Dilution Analysis Batch
Analyte ug/I ug/I ug/I date/time 4Cn
TPH-Oil&Grease 1630 J 906 6250 1 04/15/202417:24 WG2266995
Sample Narrative:
L1724929-02 WG2266995:Reporting from non-silica gel data due to non-detect to the RDL.
RC
Wet Chemistry by Method 410.4
Result Qualifier MDL RDL Dilution Analysis Batch 7G1
Analyte ug/I ug/I ug/I date/time
COD 42400 11700 20000 1 04/14/202417:06 WG2266871
rAl
Wet Chemistry by Method 4500H+ B-2011
FSC
Result Qualifier Dilution Analysis Batch
Analyte su date/time
pH 8.08 T8 1 04/12/202418:30 WG2266045
Sample Narrative:
L1724929-02 WG2266045:8.08 at 18.5C
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 6 of 18

SD-007 SAMPLE RESULTS - 03
Collected date/time: 04/11/24 10:50 L1724929
Gravimetric Analysis by Method 2540 D-2015
Result Qualifier RDL Dilution Analysis Batch FP1
Analyte ug/I ug/I date/time
FTC
Suspended Solids 19300 5550 1 04/18/202417:02 WG2268362
Wet Chemistry by Method 1664B FSS
Result Qualifier MDL RDL Dilution Analysis Batch
Analyte ug/I ug/I ug/I date/time 4Cn
TPH-Oil&Grease U 824 5680 1 04/15/202417:24 WG2266995
Sample Narrative:
L1724929-03 WG2266995:Reporting from non-silica gel data due to non-detect to the RDL.
RC
Wet Chemistry by Method 410.4
Result Qualifier MDL RDL Dilution Analysis Batch 7G1
Analyte ug/I ug/I ug/I date/time
COD 21500 11700 20000 1 04/14/202417:06 WG2266871
rAl
Wet Chemistry by Method 4500H+ B-2011
FSC
Result Qualifier Dilution Analysis Batch
Analyte su date/time
pH 8.07 T8 1 04/12/202418:30 WG2266045
Sample Narrative:
L1724929-03 WG2266045:8.07 at 18.4C
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 7 of 18

WG2267555 QUALITY CONTROL SUMMARY
Gravimetric Analysis by Method 2540 D-2015 1-17 249 2 9-01,02
Method Blank (MB) FP1(MB)R4058785-1 04/16/2416:25
MB Result MB Qualifier MB MDL MB RDL z
Analyte Ug/I ug/I ug/I TC
Suspended Solids U 2500 2500
FSS
L1724446-03 Original Sample (OS) • Duplicate (DUP)
(OS)L1724446-03 04/16/2416:25•(DUP)R4058785-3 04/16/2416:25 4Cn
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD s
Limits Sr
Analyte ug/I Ug/I % %
Suspended Solids 89000 61000 1 37.3 P1 5
L1724929-02 Original Sample (OS) • Duplicate (DUP)
(OS)L1724929-02 04/16/2416:25•(DUP)R4058785-4 04/16/2416:25 7G1
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits AI
Analyte ug/I ug/I %
Suspended Solids 381000 389000 1 2.08 5 Fc
Laboratory Control Sample (LCS)
(LCS)R4058785-2 04/16/2416:25
Spike Amount LCS Result LCS Rec. Rec.Limits LCS Qualifier
Analyte ug/I Ug/I % %
Suspended Solids 773000 764000 98.8 85.0-115
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 8 of 18

WG2268362 QUALITY CONTROL SUMMARY
Gravimetric Analysis by Method 2540 D-2015 L1724929-03
Method Blank (MB) FP1(MB)R4059943-1 04/18/2417:02
MB Result MB Qualifier MB MDL MB RDL z
Analyte ug/I ug/I ug/I TC
Suspended Solids U 2500 2500
FSS
L1725093-01 Original Sample (OS) • Duplicate (DUP)
(OS)L1725093-01 04/18/2417:02•(DUP)R4059943-3 04/18/2417:02 4Cn
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD s
Limits Sr
Analyte ug/I ug/I % %
Suspended Solids 18000 21200 1 16.3 P1 10
L1725128-01 Original Sample (OS) • Duplicate (DUP)
(OS)L1725128-01 04/18/2417:02•(DUP)R4059943-4 04/18/2417:02 7G1
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits AI
Analyte ug/I ug/I %Suspended Solids ND ND 1 0.000 10 Fc
Laboratory Control Sample (LCS)
(LCS)R4059943-2 04/18/2417:02
Spike Amount LCS Result LCS Rec. Rec.Limits LCS Qualifier
Analyte ug/I ug/I % %
Suspended Solids 773000 780000 101 85.0-115
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 9 of 18

WG2266995 QUALITY CONTROL SUMMARY
Wet Chemistry by Method 1664B 1-1724929-02,03
Method Blank (MB) FP1(MB)R4057941-1 04/15/2417:24
MB Result MB Qualifier MB MDL MB RDL z
Analyte ug/I ug/I ug/I TC
TPH-Oil&Grease U 725 5000
FSS
Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD)
(LCS)R4057941-2 04/15/2417:24•(LCSD)R4057941-3 04/15/2417:24 4Cn
Spike Amount LCS Result LCSD Result LCS Rec. LCSD Rec. Rec.Limits LCS Qualifier LCSD Qualifier RPD RPD Limits —
F
Analyte ug/I ug/I ug/I % % % % %
TPH-Oil&Grease 20000 15400 15600 77.0 78.0 64.0-132 1.29 34
�GI
FAI
FSC
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 10 of 18

WG2266337 QUALITY CONTROL SUMMARY
Wet Chemistry by Method 410.4 L1724929-01
Method Blank (MB) FP1(MB)R4057316-1 04/13/2413:20
MB Result MB Qualifier MB MDL MB RDL z
Analyte ug/I ug/I ug/I TC
COD U 11700 20000
FSS
L1724179-01 Original Sample (OS) • Duplicate (DUP)
(OS)L1724179-01 04/13/2413:34•(DUP)R4057316-5 04/13/2413:34 4Cn
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD s
Limits Sr
Analyte ug/I ug/I % %
COD 53700 57000 1 5.81 20
L1724851-01 Original Sample (OS) • Duplicate (DUP)
(OS)L1724851-01 04/13/2413:38•(DUP)R4057316-6 04/13/2413:38 7G1
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits AI
Analyte ug/I ug/I %COD 456000 449000 1 1.53 20 Fc
Laboratory Control Sample (LCS)
(LCS)R4057316-2 04/13/2413:32
Spike Amount LCS Result LCS Rec. Rec.Limits LCS Qualifier
Analyte ug/I ug/I % %
COD 500000 505000 101 90.0-110
L1723893-02 Original Sample (OS) • Matrix Spike (MS) • Matrix Spike Duplicate (MSD)
(OS)L1723893-02 04/13/2413:32•(MS)R4057316-3 04/13/2413:33•(MSD)R4057316-4 04/13/2413:33
Spike Amount Original Result MS Result MSD Result MS Rec. MSD Rec. Dilution Rec.Limits MS Qualifier MSD Qualifier RPD RPD Limits
Analyte ug/I ug/I ug/I ug/I % % % % %
COD 500000 U 512000 503000 102 101 1 90.0-110 1.85 20
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 11 of 18

WG2266871 QUALITY CONTROL SUMMARY
Wet Chemistry by Method 410.4 1-1724929-02,03
Method Blank (MB) FP1(MB)R4057500-1 04/14/2417:04
MB Result MB Qualifier MB MDL MB RDL z
Analyte ug/I ug/I ug/I TC
COD U 11700 20000
FSS
L1725513-01 Original Sample (OS) • Duplicate (DUP)
(OS)L1725513-01 04/14/2417:08•(DUP)R4057500-6 04/14/2417:08 4Cn
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD s
Limits Sr
Analyte ug/1 ug/I % %
COD U 13000 1 200 J P1 20
L1724929-02 Original Sample (OS) • Duplicate (DUP)
�GI
(OS)L1724929-02 04/14/2417:06•(DUP)R4057500-5 04/14/2417:06
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits AI
Analyte ug/I ug/I %COD 42400 43400 1 2.42 20 FC
Laboratory Control Sample (LCS)
(LCS)R4057500-2 04/14/2417:04
Spike Amount LCS Result LCS Rec. Rec.Limits LCS Qualifier
Analyte ug/I ug/I % %
COD 500000 499000 99.8 90.0-110
L1724800-01 Original Sample (OS) • Matrix Spike (MS) • Matrix Spike Duplicate (MSD)
(OS)L1724800-01 04/14/2417:04•(MS)R4057500-3 04/14/2417:05•(MSD)R4057500-4 04/14/2417:05
Spike Amount Original Result MS Result MSD Result MS Rec. MSD Rec. Dilution Rec.Limits MS Qualifier MSD Qualifier RPD RPD Limits
Analyte ug/I ug/I ug/I ug/I % % % % %
COD 500000 U 501000 508000 100 102 1 90.0-110 1.27 20
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 12 of 18

WG2266045 QUALITY CONTROL SUMMARY
Wet Chemistry by Method 4500H+ B-2011 1-1724929-01,02,03
L1724703-03 Original Sample (OS) • Duplicate (DUP) FP1(OS)L1724703-03 04/12/2418:30•(DUP)R4057204-2 04/12/2418:30
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD FC
Limits
Analyte su su % %
pH 7.75 7.77 1 0.258 1 FSS
Sample Narrative:
OS:7.75 at 18.8C 4
Cn
DUP:7.77 at 18.8C
FSr
L1725195-01 Original Sample (OS) • Duplicate (DUP)
(OS)L1725195-01 04/12/2418:30•(DUP)R4057204-3 04/12/2418:30 �
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits
Analyte su su % % �GI
pH 7.86 7.86 1 0.000 1
Sample Narrative: FAI
OS:7.86 at 19.3C [Sc
DUP:7.86 at 19.4C
Laboratory Control Sample (LCS)
(LCS)R4057204-1 04/12/2418:30
Spike Amount LCS Result LCS Rec. Rec.Limits LCS Qualifier
Analyte su su % %
pH 10.0 10.0 100 99.0-101
Sample Narrative:
LCS:10.01 at 20.3C
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 13 of 18

GLOSSARY OF TERMS
Guide to Reading and Understanding Your Laboratory Report
The information below is designed to better explain the various terms used in your report of analytical results from the Laboratory. This is not FP1
intended as a comprehensive explanation,and if you have additional questions please contact your project representative.
FTC
Results Disclaimer-Information that may be provided by the customer,and contained within this report,include Permit Limits,Project Name,
Sample ID,Sample Matrix,Sample Preservation,Field Blanks,Field Spikes,Field Duplicates,On-Site Data,Sampling Collection Dates/Times,and
Sampling Location.Results relate to the accuracy of this information provided,and as the samples are received.
Abbreviations and Definitions FSS
MDL Method Detection Limit. rCn]
ND Not detected at the Reporting Limit(or MDL where applicable).
RDL Reported Detection Limit.
Rec. Recovery. FSr
RPD Relative Percent Difference.
SDG Sample Delivery Group. RC
U Not detected at the Reporting Limit(or MDL where applicable).
Analyte The name of the particular compound or analysis performed.Some Analyses and Methods will have multiple analytes
reported.
If the sample matrix contains an interfering material,the sample preparation volume or weight values differ from the
Dilution standard,or if concentrations of analytes in the sample are higher than the highest limit of concentration that the
laboratory can accurately report,the sample may be diluted for analysis.If a value different than 1 is used in this field,the
result reported has already been corrected for this factor. FAI
These are the target%recovery ranges or%difference value that the laboratory has historically determined as normal
Limits for the method and analyte being reported.Successful QC Sample analysis will target all analytes recovered or
duplicated within these ranges. 9
The non-spiked sample in the prep batch used to determine the Relative Percent Difference(RPD)from a quality control SC
Original Sample sample.The Original Sample may not be included within the reported SDG.
This column provides a letter and/or number designation that corresponds to additional information concerning the result
Qualifier reported.If a Qualifier is present,a definition per Qualifier is provided within the Glossary and Definitions page and
potentially a discussion of possible implications of the Qualifier in the Case Narrative if applicable.
The actual analytical final result(corrected for any sample specific characteristics)reported for your sample.If there was
no measurable result returned for a specific analyte,the result in this column may state"ND"(Not Detected)or"BDL"
Result (Below Detectable Levels).The information in the results column should always be accompanied by either an MDL
(Method Detection Limit)or RDL(Reporting Detection Limit)that defines the lowest value that the laboratory could detect
or report for this analyte.
Uncertainty Confidence level of 2 sigma.
(Radiochemistry)
A brief discussion about the included sample results,including a discussion of any non-conformances to protocol
Case Narrative(Cn) observed either at sample receipt by the laboratory from the field or during the analytical process.If present,there will
be a section in the Case Narrative to discuss the meaning of any data qualifiers used in the report.
Quality Control This section of the report includes the results of the laboratory quality control analyses required by procedure or
Summary(Qc) analytical methods to assist in evaluating the validity of the results reported for your samples.These analyses are not
being performed on your samples typically,but on laboratory generated material.
This is the document created in the field when your samples were initially collected.This is used to verify the time and
Sample Chain of date of collection,the person collecting the samples,and the analyses that the laboratory is requested to perform.This
Custody(Sc) chain of custody also documents all persons(excluding commercial shippers)that have had control or possession of the
samples from the time of collection until delivery to the laboratory for analysis.
This section of your report will provide the results of all testing performed on your samples.These results are provided
Sample Results(Sr) by sample ID and are separated by the analyses performed on each sample.The header line of each analysis section for
each sample will provide the name and method number for the analysis reported.
Sample Summary(Ss) This section of the Analytical Report defines the specific analyses performed for each sample ID,including the dates and
times of preparation and/or analysis.
Qualifier Description
J The identification of the analyte is acceptable;the reported value is an estimate.
P1 RPD value not applicable for sample concentrations less than 5 times the reporting limit.
T8 Sample(s)received past/too close to holding time expiration.
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 14 of 18

ACCREDITATIONS & LOCATIONS
Pace Analytical National 12065 Lebanon Rd Mount Juliet, TN 37122 FP1
Alabama 40660 Nebraska NE-OS-15-05
Alaska 17-026 Nevada TN000032021-1 F
Arizona AZ0612 New Hampshire 2975
Arkansas 88-0469 New Jersey—NELAP TN002
California 2932 New Mexico TN00003 3
Colorado TN00003 New York 11742 SS
Connecticut PH-0197 North Carolina Env375
Florida E87487 North Carolina' DW21704 4
Georgia NELAP North Carolinas 41 Cn
Georgia' 923 North Dakota R-140
Idaho TN00003 Ohio—VAP CL0069 FSr
Illinois 200008 Oklahoma 9915
Indiana C-TN-01 Oregon TN200002
Iowa 364 Pennsylvania 68-02979 Rc
Kansas E-10277 RhodeIsland LA000356
Kentucky'6 KY90010 South Carolina 84004002
Kentucky 2 16 South Dakota n/a 7
Louisiana A130792 Tennessee'° 2006 G
Louisiana LA018 Texas T104704245-20-18
Maine TN00003 Texas' LAB0152
Maryland 324 Utah TN000032021-11
Massachusetts M-TN003 Vermont VT2006
Michigan 9958 Virginia 110033 FSC
Minnesota 047-999-395 Washington C847
Mississippi TN00003 West Virginia 233
Missouri 340 Wisconsin 998093910
Montana CERT0086 Wyoming A21-A
A21-A—ISO 17025 1461.01 AIHA-LAP,LLC EMLAP 100789
A21-A—ISO 17025 5 1461.02 DOD 1461.01
Canada 1461.01 USDA P330-15-00234
EPA—Crypto TN00003
Drinking Water 2 Underground Storage Tanks s Aquatic Toxicity °Chemical/Microbiological 5 Mold 6 Wastewater n/a Accreditation not applicable
Not all certifications held by the laboratory are applicable to the results reported in the attached report.
Accreditation is only applicable to the test methods specified on each scope of accreditation held by Pace Analytical.
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724929 04/22/2414:16 15 of 18

iomPany name/naareeS: Billing Information pna rnntal'or
Pra<cnativc Chair Cust ody page of
Withers & Ravenel Eng. - Standard Accounts Payable Pres .a^'y
115'MacKenan Drive chk �,[/y�
115 MacKenan Drive Cary, NC 27511 aca
Cary, NC 27511 / rr 1aov.xcve suvna
.l
Report to: Email To:[e-mail] MT JULIET,TN
Flora D'Souza
Ilp65 Lebaron gtlM IN)IIEE
Project Description: s�bminmr,.mm............ml�,mtlz
City/State Lr ha t��/ ^�� Please cle: (� °u' I.,.=.n°wmrmml.......plm..elm.
Cleveland County Landfill Collected: / l •.R*.�..w�m"«,"°w•"
PT MT tT ET V tl�,rw
m
#Project Client Project# Lab Pro ' Day
Phone:[phone] I
02180252.20 WITH RAVS-CLEVELAND S61i
Collected b v V
Y IPrintl'. site/Facility ID# P.o.q 0 N D146
an
5 e 7 01.✓a 11 02180252.20
Collected (signature): Rush? (Lab MUST Be Notified) Quote# w o 2 3 d Acctnum:WITHRAVS
a w y o Template:T214219
Same Day _Five Day O a -� Z
_Next Day _5 Day IRad Only) Date Results Needed = ~ w Preogin:P1061712
Immediately / _Two Da 10 Da Bad Only) _ S X D.
s/ v _ vl vl E w 0 PM:B 3-Heathe 1Wa ner
Packed on Ice N_ V_ _Three Day No. O E 2
of ry U N DB: 3
Sample ID Comp/Grab Matrix• Depth Date Time ntrs C3 '° '-' •"� Shipped Via:FedEK Ground
SD-0DI a /C ~
Wvv lilt OIS
�b
SD-003
WW oQCAD �Z
sours
WW
5D-007
WW
SD-0W Z 0 r
WWI
WW
i
'Matrix: emarks:Fecal Coliform-direct SUB to Pace INC sample Receipt chkl
SS-Soil AIR Air F-Filter pH Temp CDC Seal Present/Intact: NP JY N
GW-Groundwater B-Bioassay CDC Signed/Accurate:
VI Flaw Other Bottles arrive intact: N
-Waste Water Correct bottles used:
DW-Drinking Water Samples returned via: Sufficient volume sent:OT-Other —UPS _FedEx —Courier Vv Tracking#`Q,LI$69 iO 21 13 If Aculicable
VOA Zero Headepece: Y N
Relinquish d by:(Signature) Date: Received by:(Signature) Trip Blank Received: Yes Preservation Correct/Checked: / N
{ RAD Screen <0.5 ri
4 ' I 1 LC /� - (� HCL/MeoH
ZtfJ I/ v: ✓ TBR
Relinquis ed by (Signature) Date' Time: Received by:(Signature) Temp:pf7»'7`c Bottles Received: If prr PH-toBDHso:I TPr ;it„•; '/Time
�l 44— '-111112�! �'f" b� i=y. DR6.zp"'V
Relinquished by;(Signature) Date: Time: Received for lab by:(Signature) Date: Time: Hold: Condit! n:
��IZ �� c9W NCF / OK

Heather Wagner
From: D'Souza, Flora <[e-mail]>
Sent: Friday, April 12, 2024 12:02 PM
To: Heather Wagner
Subject: RE: L1724929 - SD-001 method confirmation - Cleveland County Landfill
CAUTION: This email originated from outside Pace Analytical. Do not click links or open attachments unless you
recognize the sender and know the content is safe.
Heather,
Yes,the analysis should be COD for SD-001.
Thankyou,
�0- Flora D'Souza, CH M M
NENVIRONMENTAL PROJECT SCIENTIST II G O
t:704.919.1242 d:704.517.3035 Charlotte,NC wITHERSRAVENEL.COM
From: Heather Wagner<[e-mail]>
Sent: Friday, April 12, 2024 12:55 PM
To: D'Souza, Flora <[e-mail]>
Subject: [EXTERNAL] L1724929 -SD-001 method confirmation -Cleveland County Landfill
CAUTION: This email originated from outside of WithersRavenel. Do not click links or open attachments unless you
recognize the sender and know the content is safe.
Flora,
We received the Cleveland County landfill samples and I wanted to verify the methods needed for SD-001. The COC is
requesting TPHOGHEX, but we did not receive the proper containers for this method. We did receive containers for the
COD method, but that is not requested for this sample ID. Please let me know if SD-001 should be run for COD.
Thanks,
Heather Wagner
Project Manager 11/National
12065 Lebanon Road I Mt.Juliet,TN 37122
Central Time Zone 1 615.773.9686
heather.wagner(@pacelabs.com I pacenational.com
NEW: PROCESS PAYMENTS ONLINE—click on the link below
Online Bill Pay
i

"q
("A ace
NOTICE--The contents of this email and any attachments may contain confidential, privileged, and/or
legally protected information and are for the sole use of the addressee(s). Any review or distribution by
others is strictly prohibited. If you are not the intended recipient, please contact the sender immediately
and delete any copies.
`Aj Please consider the environment before printing this email
2

- -----------
- -----------
aceAnalXical o ANALYTICAL REPORT
April 15, 2024
FC
FSS
Withers & Ravenel Eng. - Standard
Sample Delivery Group: L1724663 [Cn]
Samples Received: 04/11/2024 SGI
Project Number: 02180252.20
Description: Cleveland County Landfill 6A1
E
Report To: Flora D'Souza
115 MacKenan Drive
Cary, NC 27511
Entire Report Reviewed By: 4�41
Heather J Wagner
Project Manager
Results relate only to the items tested or calibrated and are reported as rounded values.This test report shall not be
reproduced,except in full,without written approval of the laboratory.Where applicable,sampling conducted by Pace
Analytical National is performed per guidance provided in laboratory standard operating procedures ENV-SOP-MTJL-0067 and
ENV-SOP-MTJL-0068.Where sampling conducted by the customer,results relate to the accuracy of the information provided,
and as the samples are received.
O
AW
00 J F
Pace Analytical National
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724663 04/15/24 17:50 1 of 19

TABLE OF CONTENTS
Cp:Cover Page
Tc:Table of Contents
Ss:Sample Summary 3
Cn:Case Narrative 4
GI:Glossary of Terms 5 E
Al:Accreditations&Locations 6
[Cn]
Sc:Sample Chain of Custody 7
SGI
rAl
FC
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724663 04/15/24 17:50 2 of 19

SAMPLE SUMMARY
Collected by Collected date/time Received date/time
SD-001 L1724663-01 WW Steven Powell 04/11/2408:15 04/11/2414:26 C
Method Batch Dilution Preparation Analysis Analyst Location p
date/time date/time z
Tc
Subcontracted Analyses WG2265100 1 04/12/24 00:00 04/12/24 00:00 Huntersville,NC
28078
Collected by Collected date/time Received date/time
SD-003 L1724663-02 WW Steven Powell 04/11/2409:00 04/11/2414:26 [Cn]
Method Batch Dilution Preparation Analysis Analyst Location
date/time date/time SGI
Subcontracted Analyses WG2265100 1 04/12/24 00:00 04/12/24 00:00 Huntersville,NC
28078 FAI
Collected by Collected date/time Received date/time
Steven Powell 04/11/2410:50 04/11/2414:26
SD-007 L1724663-03 WW BSc
Method Batch Dilution Preparation Analysis Analyst Location
date/time date/time
Subcontracted Analyses WG2265100 1 04/12/24 00:00 04/12/24 00:00 Huntersville,NC
28078
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724663 04/15/24 17:50 3 of 19

CASE NARRATIVE
All sample aliquots were received at the correct temperature, in the proper containers,with the FP
appropriate preservatives, and within method specified holding times, unless qualified or notated within
the report. Where applicable, all MDL(LOD)and RDL(LOQ)values reported for environmental samples FC
have been corrected for the dilution factor used in the analysis. All Method and Batch Quality Control
are within established criteria except where addressed in this case narrative, a non-conformance form
or properly qualified within the sample results. By my digital signature below, I affirm to the best of my FSS
knowledge, all problems/anomalies observed by the laboratory as having the potential to affect the
quality of the data have been identified by the laboratory, and no information or data have been
knowingly withheld that would affect the quality of the data.
SGI
6A1
Sc
Heather J Wagner
Project Manager
Project Narrative
L1724663-01,-02,-03 contains subout data that is included after the chain of custody.
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724663 04/15/24 17:50 4 of 19

GLOSSARY OF TERMS
Guide to Reading and Understanding Your Laboratory Report
The information below is designed to better explain the various terms used in your report of analytical results from the Laboratory. This is not FP1
intended as a comprehensive explanation,and if you have additional questions please contact your project representative.
FTC
Results Disclaimer-Information that may be provided by the customer,and contained within this report,include Permit Limits,Project Name,
Sample ID,Sample Matrix,Sample Preservation,Field Blanks,Field Spikes,Field Duplicates,On-Site Data,Sampling Collection Dates/Times,and
Sampling Location.Results relate to the accuracy of this information provided,and as the samples are received.
Abbreviations and Definitions FSS
SDG Sample Delivery Group.
Uncertainty r�n
(Radiochemistry) Confidence level of 2 sigma.
A brief discussion about the included sample results,including a discussion of any non-conformances to protocol
Case Narrative(Cn) observed either at sample receipt by the laboratory from the field or during the analytical process.If present,there will
be a section in the Case Narrative to discuss the meaning of any data qualifiers used in the report.
Quality Control This section of the report includes the results of the laboratory quality control analyses required by procedure or
Summary(Qc) analytical methods to assist in evaluating the validity of the results reported for your samples.These analyses are not FAI
being performed on your samples typically,but on laboratory generated material.
This is the document created in the field when your samples were initially collected.This is used to verify the time and
Sample Chain of date of collection,the person collecting the samples,and the analyses that the laboratory is requested to perform.This
Custody(Sc) chain of custody also documents all persons(excluding commercial shippers)that have had control or possession of the SC
samples from the time of collection until delivery to the laboratory for analysis.
This section of your report will provide the results of all testing performed on your samples.These results are provided
Sample Results(Sr) by sample ID and are separated by the analyses performed on each sample.The header line of each analysis section for
each sample will provide the name and method number for the analysis reported.
Sample Summary(Ss) This section of the Analytical Report defines the specific analyses performed for each sample ID,including the dates and
times of preparation and/or analysis.
Qualifier Description
The remainder of this page intentionally left blank,there are no qualifiers applied to this SDG.
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724663 04/15/24 17:50 5 of 19

ACCREDITATIONS & LOCATIONS
Pace Analytical National 12065 Lebanon Rd Mount Juliet, TN 37122 FP1
Alabama 40660 Nebraska NE-OS-15-05
Alaska 17-026 Nevada TN000032021-1 F
Arizona AZ0612 New Hampshire 2975
Arkansas 88-0469 New Jersey—NELAP TN002
California 2932 New Mexico TN00003 3
Colorado TN00003 New York 11742 SS
Connecticut PH-0197 North Carolina Env375
Florida E87487 North Carolina' DW21704 4
Georgia NELAP North Carolinas 41 Cn
Georgia' 923 North Dakota R-140
Idaho TN00003 Ohio—VAP CL0069 5
Illinois 200008 Oklahoma 9915 G
Indiana C-TN-01 Oregon TN200002
Iowa 364 Pennsylvania 68-02979
Kansas E-10277 Rhodelsland LA000356
Kentucky16 KY90010 South Carolina 84004002
Kentucky 2 16 South Dakota n/a
Louisiana A130792 Tennessee'° 2006 FC
Louisiana LA018 Texas T104704245-20-18
Maine TN00003 Texas' LAB0152
Maryland 324 Utah TN000032021-11
Massachusetts M-TN003 Vermont VT2006
Michigan 9958 Virginia 110033
Minnesota 047-999-395 Washington C847
Mississippi TN00003 West Virginia 233
Missouri 340 Wisconsin 998093910
Montana CERT0086 Wyoming A21-A
A21-A—ISO 17025 1461.01 AIHA-LAP,LLC EMLAP 100789
A21-A—ISO 17025 5 1461.02 DOD 1461.01
Canada 1461.01 USDA P330-15-00234
EPA—Crypto TN00003
Drinking Water 2 Underground Storage Tanks s Aquatic Toxicity °Chemical/Microbiological 5 Mold 6 Wastewater n/a Accreditation not applicable
Not all certifications held by the laboratory are applicable to the results reported in the attached report.
Accreditation is only applicable to the test methods specified on each scope of accreditation held by Pace Analytical.
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
Withers&Ravenel Eng.-Standard 02180252.20 L1724663 04/15/24 17:50 6 of 19

null Intermation: Analaak nnea;I., Pr upv.tnc Chain of Custody Page_of_
Withers & Ravenel Eng. - Stand rd Accounts Payable I Pres
115 MacKenan Drive Chk
115 MacKenan Drive Ca ,NC 27511 ace,
Cary,NC 27511 ¢ro¢,<.a.x.nna arearz
v
Report to: Emai To:fdsouza@withersraveneicom MT JLILI ET,TN
Flora D'Souza
uas o-a,m..e mo,.m,w. .xmzz
Project Description: City/State tam w.�m..e m.m,�` on
County landfill Please Circle: s ,m�
Cleveland Co y PT MT o..+.� me own. ronm`11
Collected: CT ET anonaMm m.eoa.e+p.a,/>„ wm.e
Phone: [phone] Client Project k Lab Project#
02180252. 0 WITHRAVS-CLEVELAND `- SDGk L17� yL�3
m
Nr
v
Collected by(print): Site/Facility # P.O.k O '^ _
So
Table#
�J eh OI..iGll 02180252.20 N 0
Collected (signature): RushJ ( It MUST Be Notifie ) Quote# W V Z a FU Ac<[num:WITHRAVS
C. lit V 0 Template:T214219
_SameD y _rive Day 0 p, Z
_Next Da _5 Day(Rad 0 y) Date Results Needed = ~ W Preloen:P1061712
Immediately / Two
Da _]O pa Rad 1
✓ y( y) No. of - = w O PM:B 3-Heat 1 Wa per
f�Ohe
N_ y_ _Three Dy N -6 = Pe. 3
of
N pv
Sample ID Comp/Grab Matrix• De h Date Time ntrs p �o .-I 0 N Shipped Via:Fed EX Ground
' a C_ N RiI Sample 9(tab onN)
WWIt 1Z. - __ WWC,stidoi
WW
ww Z O
slaooe
wW
—_— ww
Matrix: emarks:Fecal Cc liform-direct SU F to Pace NC samnl Receipt n kli
SS-Soil AIR-Air F-Filter pH Temp CDC Seal Present/intact: NP _Y N
GW-Groundwater 8-Bioassay CDC Signed/Accurate: _Y _N
Bottles arrive intact: _Y N
WW-WasteWa[er flow Other correct bottles used: Y N_
DW-Drinking Water Sufficient volume sent:icable Y N
OT-Other Samples returned a: Tracking# If Aoplent
—UPS Fe Ex I—Courier
VOA Zero Headspace: Y N
Relinquish d by:(Signature) Cat fTm
Received by:(Signature) Trip Blank Received: Yes/No Preservation Correct/Checked: _Y _N
MD Screen <0.5 mR/hr: Y N
/ HCL/MeoH
( fTBR
Relinquished by:(Signature) Dat : Received by:(Signature) Temp: oC Bottl¢s Received: If preservation required by Logim Date/Time
Relinquished by:(Signature) Dal Received for lab by:(Signature) Date: Time: Hold: Condition:
NCF / Og

Pace Analytical Services,LLC
9800 Kincey Ave. Suite 100
aceo Huntersville,NC 28078
[phone]
April 15, 2024
Jimmy Huckaba
Pace National
12065 Lebanon Rd
Mount Juliet, TN 37122
RE: Project: WG2265100
Pace Project No.: 92724799
Dear Jimmy Huckaba:
Enclosed are the analytical results for sample(s)received by the laboratory on April 11, 2024. The results relate only to the
samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the
laboratory's Quality Manual,where applicable, unless otherwise noted in the body of the report.
The test results provided in this final report were generated by each of the following laboratories within the Pace Network:
• Pace Analytical Services-Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
A -Wes,---
Ashari Taylor-Watson
[e-mail]
704-977-0939
Project Manager
Enclosures
cc: Sub Out Team, Pace National
�pQ AC�FO
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
9eU �y without the written consent of Pace Analytical Services,LLC. Page 1 of 12

Pace Analytical Services,LLC
9800 KinceyAve. Suite 100
aceHuntersville,NC 28078
[phone]
CERTIFICATIONS
Project: WG2265100
Pace Project No.: 92724799
Pace Analytical Services Charlotte
South Carolina Laboratory ID:99006 South Carolina Certification#:99006001
9800 Kincey Ave.Ste 100,Huntersville,NC 28078 South Carolina Drinking Water Cert.#:99006003
North Carolina Drinking Water Certification#:37706 Florida/NELAP Certification#: E87627
North Carolina Field Services Certification#:5342 Kentucky UST Certification#:84
North Carolina Wastewater Certification#: 12 Louisiana DoH Drinking Water#:LA029
South Carolina Laboratory ID:99006 Virginia/VELAP Certification#:460221
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
without the written consent of Pace Analytical Services,LLC. Page 2 of 12

Pace Analytical Services,LLC
9800 Kincey Ave. Suite 100
aceo Huntersville,NC 28078
[phone]
SAMPLE ANALYTE COUNT
Project: WG2265100
Pace Project No.: 92724799
Analytes
Lab ID Sample ID Method Analysts Reported Laboratory
92724799001 SD-001 SM 9222D-2015 KDF 1 PASI-C
92724799002 SD-003 SM 9222D-2015 KDF 1 PASI-C
92724799003 SD-007 SM 9222D-2015 KDF 1 PASI-C
PASI-C=Pace Analytical Services-Charlotte
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
without the written consent of Pace Analytical Services,LLC. Page 3 of 12

Pace Analytical Services,LLC
9800 Kincey Ave. Suite 100
aceo Huntersville,NC 28078
[phone]
ANALYTICAL RESULTS
Project: WG2265100
Pace Project No.: 92724799
Sample: SD-001 Lab ID: 92724799001 Collected: 04/11/24 08:15 Received: 04/11/24 12:54 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MBIO 9222D Fecal Coliform CHT Analytical Method:SM 9222D-2015 Preparation Method:SM 9222D-2015
Pace Analytical Services-Charlotte
Fecal Coliforms 350 CFU/100 mL 1.0 1 04/11/24 14:26 04/12/24 12:30
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:04/15/2024 11:07 AM without the written consent of Pace Analytical Services,LLC. Page 4 of 12

Pace Analytical Services,LLC
9800 Kincey Ave. Suite 100
aceo Huntersville,NC 28078
[phone]
ANALYTICAL RESULTS
Project: WG2265100
Pace Project No.: 92724799
Sample: SD-003 Lab ID: 92724799002 Collected: 04/11/24 09:00 Received: 04/11/24 12:54 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MBIO 9222D Fecal Coliform CHT Analytical Method:SM 9222D-2015 Preparation Method:SM 9222D-2015
Pace Analytical Services-Charlotte
Fecal Coliforms 909 CFU/100 mL 1.0 1 04/11/24 14:26 04/12/24 12:30
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:04/15/2024 11:07 AM without the written consent of Pace Analytical Services,LLC. Page 5 of 12

Pace Analytical Services,LLC
9800 Kincey Ave. Suite 100
aceo Huntersville,NC 28078
[phone]
ANALYTICAL RESULTS
Project: WG2265100
Pace Project No.: 92724799
Sample: SD-007 Lab ID: 92724799003 Collected: 04/11/24 10:50 Received: 04/11/24 12:54 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MBIO 9222D Fecal Coliform CHT Analytical Method:SM 9222D-2015 Preparation Method:SM 9222D-2015
Pace Analytical Services-Charlotte
Fecal Coliforms 27.0 CFU/100 mL 1.0 1 04/11/24 14:26 04/12/24 12:30
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:04/15/2024 11:07 AM without the written consent of Pace Analytical Services,LLC. Page 6 of 12

Pace Analytical Services,LLC
9800 Kincey Ave. Suite 100
aceo Huntersville,NC 28078
[phone]
QUALITY CONTROL DATA
Project: WG2265100
Pace Project No.: 92724799
QC Batch: 846309 Analysis Method: SM 9222D-2015
QC Batch Method: SM 9222D-2015 Analysis Description: 9222D Fecal Coliform(MF)-CHT
Laboratory: Pace Analytical Services-Charlotte
Associated Lab Samples: 92724799001,92724799002,92724799003
METHOD BLANK: 4370154 Matrix: Water
Associated Lab Samples: 92724799001,92724799002,92724799003
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Fecal Coliforms CFU/100 mL ND 1.0 04/12/24 12:30
SAMPLE DUPLICATE: 4370155
92724686001 Dup
Parameter Units Result Result RPD Qualifiers
Fecal Coliforms CFU/100 mL 2.0 ND
Results presented on this page are in the units indicated by the"Units"column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:04/15/2024 11:07 AM without the written consent of Pace Analytical Services,LLC. Page 7 of 12

Pace Analytical Services,LLC
9800 Kincey Ave. Suite 100
aceo Huntersville,NC 28078
[phone]
QUALIFIERS
Project: WG2265100
Pace Project No.: 92724799
DEFINITIONS
DF-Dilution Factor,if reported,represents the factor applied to the reported data due to dilution of the sample aliquot.
ND-Not Detected at or above adjusted reporting limit.
TNTC-Too Numerous To Count
J-Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL-Adjusted Method Detection Limit.
PQL-Practical Quantitation Limit.
RL-Reporting Limit-The lowest concentration value that meets project requirements for quantitative data with known precision and
bias for a specific analyte in a specific matrix.
S-Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270.The result for each analyte is
a combined concentration.
Consistent with EPA guidelines,unrounded data are displayed and have been used to calculate%recovery and RPD values.
LCS(D)-Laboratory Control Sample(Duplicate)
MS(D)-Matrix Spike(Duplicate)
DUP-Sample Duplicate
RPD-Relative Percent Difference
NC-Not Calculable.
SG-Silica Gel-Clean-Up
U-Indicates the compound was analyzed for,but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA
Method 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
Reported results are not rounded until the final step prior to reporting.Therefore,calculated parameters that are typically reported as
"Total"may vary slightly from the sum of the reported component parameters.
Pace Analytical is TNI accredited.Contact your Pace PM for the current list of accredited analytes.
TN -The NELAC Institute.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:04/15/2024 11:07 AM without the written consent of Pace Analytical Services,LLC. Page 8 of 12

Pace Analytical Services,LLC
9800 Kincey Ave. Suite 100
aceo Huntersville,NC 28078
[phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: WG2265100
Pace Project No.: 92724799
Analytical
Lab ID Sample ID QC Batch Method QC Batch Analytical Method Batch
92724799001 SD-001 SM 9222D-2015 846309 SM 9222D-2015 846310
92724799002 SD-003 SM 9222D-2015 846309 SM 9222D-2015 846310
92724799003 SD-007 SM 9222D-2015 846309 SM 9222D-2015 846310
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:04/15/2024 11:07 AM without the written consent of Pace Analytical Services,LLC. Page 9 of 12

DC#_Title: ENV-FRM-HUN1-0083 v03_Sample Condition Upon Receipt
,Pace
Effective Date: 11/29/2023 4:16:30 PM
Laboratory receiving samples:
Asheville❑ Eden❑ Greenwood❑ Huntersville Raleigh❑ Mechanicsville❑ Atlanta❑ Kernersville❑
Sample Condition Clie t Name: WO# • 92724799
., Alt
Project#: •
�1( 1,17
Courier. LJFedEx LJ UPS El USPS Client II I II■ I II Il���III ��I
❑ Commercial ❑Pace ❑Other:
92724799
Custody Sea]Present? ❑Yes ❑No Seals Intact? ❑Yes ❑No NIA
Date/Initials Person Examining Contents:
Packing Material: ❑Bubble Wrap Bubble Bags ❑None ❑ Other Biological Tissue F en? (i 1
Thermom err ❑Yes ❑ND N/A
C1 IR Gun ID: r/ Type of Ice: ' et ❑Blue ❑None
Correction Factor:
Cooler Temp: Add/Subtract(°C) Temp should be above freezing to 6°C
❑Samplesout of temp criteria.Samples on ice,cooling process
Cooler Temp Corrected (°C,}� has begun
USDA Regulated Soil ( N/A,water sampie)
Did samples originate in a quarantine zone within the United States:CA, NY, or SC Did samples originate from a foreign source (internationally,
(check maps)?❑Yes ❑No including Hawaii and Puerto Rico)?El Yes ❑No
Comments/Discrepancy:
Chain of Custody Present? Eb4ps ❑No ]N/A 1.
Samples Arrived within Hold Time? Cl No ❑N/A 2,
Short Hold Time Analysis(<72 hr.)? Yes C7 No ❑N/A 3.
Rush Turn Around Time Requested? ❑Yes VNo ❑NIA 4.
Sufficient Volume? Y s ❑No ❑N/A S.
Correct Containers Used? Yes [I No ❑NIA 6.
-Pace Containers Used? es ❑No ❑N/A
Containers Intact? Yes El No ❑WA 7.
Dissolved analysis:Samples Field Filtered? ❑Yes ❑No N/A B.
Sample Labels Match CDC? tp es ❑No ❑N/A 9.
YV
-Includes Date I-11i me/I D/An al ysis Matrix:
Headspace in VQA Vials(55-6mm)? ❑Yes ©No lH_WA 10.
Trip Blank Present? ❑Yes ❑No /A 11.
Trip Blank Custody Seals Present? ❑Yes ❑Na N/A
COMMENTS/SAMPLE DISCREPANCY Field Data Required? ❑Yes ❑No
Lot ID of split containers: _
CLIENT NOTIFICATION/RESOLUTION
Person contacted: Date/Time:
Project Manager SCURF Review- Date:
Project Manager SRF Review: Date:
Qualtrax ID: 69614 Paae 1 of 2 Page 10 of 12

'f CAUL,
Effective Date: 11/14/2022
"Check mark top half of box if pH and/or dechlorination is verified and Project N WO# ' 92724799
within the acceptance range for preservation samples. PM: PTW
EXCeptions:VOA,Cotiform,TOC,Oil and Grease,DRO/8015(water)DOC.LLFlg Due Date: 04/22/24
CLIENT: 92-ESC LAB
"Bottom half of box is to list number of bottles
`Check all unpreserved Nitrates for chlorine
u
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pH Adjustment Log for Preserved Samples
Sample ID Type of Preservative pH upon receipt Date preservation adjusted Time preservation Amount of Preservative T Lot A
Adjusted added
l
Note Whenever there is 3 discrepancy aff"Un8 Notth Carolina corroliance Samples.a Copy of this form:will hesentia thn f4arili Carolina DENit Cernfic7tt091 Office(r e
Out of hold,ineortca preservative,out of temp,incorrect rontamers.
Qualtrax 10. 69614 Page 2 of 2
Page 11 of 12

Sub-Contract Chain of Custody
Batch DatefCimc:04/11124 14:33
Sub-Contract Lab:PAC.F. 2ce/�l7a,r�IflCarr1
Address:9800 Kincey Avenue,Suite �`
100
City/State:I lunlersville,NC 29078 12005 Lebanon Rd.
Contnet: MT.Juliet,TN 37122
[irick.l larma(glpacel,.,tbs.cc"n PI one:[phone]
Owner Lab:PACEMTJL WO:WG226i100 Fax:[phone]
Address: 12065 Lebanon Rd, Email:MTJLSuboutTcamCei-pacelabs.cam
City/State:111.Julict,'FN 37122 Results Due Date:04_2W24
Phone:[phone] ESC Purchase Order#:L1724663
Fax:[phone] Sell(]Reports W.RUITS C 1 luckaha
Sample ID Matrix State Collect Date Descri tion Sample Number Sample a Only
SD-001 WW NC 04/11/24 W 15 Fecal Coliform by 9222 1.L1724663-01 V s
Cnntaincr IB p Lab Use Only Lab s Only
(9'F
SD-003 WW NC 04/1 1/24 09:00 Fecal Colifonn by 9222 2.L1724663-02 M 2
SD-007 WW NC 0411 1/24 10:50 Fecal Colifunn by 9222 3.L1724663-03
*=Container used for nwlliple SanipIcs and/Or Analysos
Relinquished by: Dale kk rU
Recieved by: '+� Datetil
Relinquished by: Date
Rccieved by: Date
Page 12 of 12

ATTACHMENT 3: PHOTOGRAPHIC RECORD FOR MAY 8, 2024 INSPECTION

Photographic Record—SDO-003 Inspection May 8, 2024
AL
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Figure 1. Well-grassed area around impoundment;brown colored water.
Q t C
vw- r gas
` l."s.T-14 ", r"
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Figure 2.Rock dam upstream of impoundment;no significant silt deposits.
Page 1 of 4

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Photographic Record—SDO-003 Inspection May 8, 2024
S
t
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Figure 5.Diversion around SW corner of C&DLF had washed out;rock check dams were insufficient to slow flow,line
diversion with rip rap;ensure drainage of adjacent diversion.
., ,.• ::,. < - ..gin....
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Figure 6.Same diversion as in Fig.5,downstream;erosion and sedimentation evident;flow washed around rock check
dam.
Page 3 of 4

Photographic Record—SDO-003 Inspection May 8, 2024
c �
Figure 7.Same diversion as Fig.5 and 6,more evidence of erosion and sedimentation further downstream.
Page 4 of 4

ATTACHMENT 4. MARCH 2O20 CLEVELAND COUNTY EROSION AND
SEDIMENT CONTROL PLAN DRAWINGS

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[EFl (:) Sl (:) 4 8t SEEC) INAEE 4mr (D (:) 4mrF[ (:) L 13L./k 4
LOCATION MAP INDEX OF DRAWINGS
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DRAWING 1 FACILITY LAYOUT
m
:E GROVE ERNE :.
DRAWING 2 EXISTING CONDITIONS
flEBFiv DRIVE xo �'
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DRAWING 3 PROPOSED GRADING PLAN &
o
GE°��� EROSION CONTROL MEASURES
DRAWING 4 PROFILES
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BEL LVIEYV❑RIVE BRnOK URJVt GFy� G.qK. 4� R
EOBNE R° FnRo� aR,4E� DRAWING 5 DETAILS
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DRAWING 6 DETAILS
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PREPARED BY:
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Engineering for the Power and Waste Industries 9 6 ` w
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206 HIGH HOUSE ROAD, SUITE 259
CARY, NORTH CARO LI NA 27513 MARCH V,=0
TEL: 919 - 792 - 1900 FAX: 866 - 311 - 7206
www.garreft-moore.com
NC FIRM C-2910

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, �' 4 "' :' �- ` ` \ y 9 CLEVELAND COUNTY SOLID WASTE FACILITY-ADJACENT PARCEL IDENTIFICATION&OWNERSHIP
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yk "�••a- 4" �{+- 16058 2568697435 JAMES T.CALDWELL 1663 PINEDALE RD CHERRYVILLE NC 28021
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r t ,' ,.. _ /.: .'., '' q f 16059 2569706978 HARRY EUGENE CARTER 1681 PINEDALE RD CHERRYVILLE NC 28021
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'i- - f � 16171 2569725393 MIKE STILL GRADING INC P.O.BOX 490 WACO NC 28169
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' ,, ti� r '. s•: 16178 2568662559 THOMAS F.MCCOY 1516 CHERRYVILLE RD CHERRYVILLE NC 28021
x / , ,°.yi �D -- .. l 16187 2569802582 CHARLES DEAN GREENE P.O.BOX 393 ELLENBORO NC 28040
wg +V a f, r j , " f 16569 2568752714 DEDMON BETTY S REVOCABLE TRUST P.O.BOX 1526 SHELBY NC 28151
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_ r,y, r r, « i u air' Q, Y r'_ E. �' ay1 °y R+*\ d�S r' 16719 2569310033 MICHAELA.DELLINGER 136FIELDINGRD SHELBY NC 28150
I i °'c�4"r '? ? `� �y `�°` `a i ♦ 16724 2569525614 CEDAR LAKE FARM LLC 6711 E CAMELBACK RD SCOTTSDALE AZ 85251
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" .._ _,.y = lk �r_ r ,, - /�• + 1 w � ,:. 1' r . . y4, �b r 4 yi4 16727 2569323439 CEDAR LAKE FARM LLC 6711 E CAMELBACK RD SCOTTSDALE AZ 85251
.�r�_. _ _ '•_L r t,", �R r "r. I- . - _ - , fi 16728 2568345666 CLEVELANDCOUNTY P.O.BOX1210 SHELBY NC 28151
t = 'mot ` f ray' ee a* = t, '^' . �+ 16729 2568458926 BROADUS W BELL 1465 FOUST RD SHELBY NC 28150
• z' , `," � ', .' < I� ',' :� �u' '' y Ik y �% 16739 2568450130 JAMES KAVIN JOHNSON 1447 FOUST RD SHELBY NC 28150
r' 04 _ ya " ? t " - ;, y. - _ 16741 2568348809 DWIGHT E SAMOLE 1439 FOUST RD SHELBY NC 28150
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" '� °1- L 1 "'' � :r.'. A �., %, {* rt `' ,,- 16747 2568343438 BETTY LORETTA FOSTER HOYLE 320 OLD STUBBS RD CHERRYVILLE NC 28021
} " \ . L' .yam- t f" 24375 2558901728 SIMPSON BARBARATREVOCABLE 1161 CHERRYVILLE RD SHELBY NC 28150
24394 2558812805 CASE FARMS LLC P.O.BOX 729 TROUTMAN NC 28166
`r' • ; '' / '4. .,V ,' /tl `v- t F! r 24396 2558729814 RUTH P.HAMRICK 312 S POST RD SHELBY NC 28150
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a ", , . . , �, , .Y•er.+r..--/" >, t ty �4` , •;_� '! �_ �_ .. 24397 2558732725 JIMMYL.POOLE 1661 FRIENDSHIP RD SHELBY NC 28150
' , „��"\ �. } �`-•�' S '4', T� \ {� ':. ti �' 24401 2558735499 FRIENDSHIP CHAPELBAPTISTCHURCH 1660FRIENDSHIPRD SHELBY NC 28150
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24406 2558734961 CRAIG S.GLOVER 151 W ROSS GROVE RD SHELBY NC 28151
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- :: ;` '' , y•:% r _ •.x'�` 24408 2558743047 EUGENE LAWRENCE 1323 LENIOR DR SHELBY NC 28150
ii I:i•I , 24409 2558737737 WILLIAM AVERY 1674 FR ENDSHIP RD SHELBY NC 28151
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}�. -/ .. - , `�- \ • - s. % . y► +,f . 24410 2553736579 LEROY HOPPER 1726 NEW PROSPECT CH SHELBY NC 28150
' "j ! ` 24418 2558738508 FRIENDSHIP CHAPEL BAPTIST CHURCH 1660 FRIENDSHIP RD SHELBY NC 28150
a t �-A . 1!--- F ' � "*. ; �.. ! t� �• 24422 2558737344 WILLIE JAMES GRIMES 103 DUNES DR KINGS MOUNTAIN NC 28086
" / ` � r; ° `t ,r ,. • 77}��� yy_ . _ �F 24453 2558735990 SAMUEL LARRYSMITH 1675 FRIENDSHIP RD SHELBY NC 28150
�'� - - A`y "t• is • v'' 24461 2568015706 JERRY LEE ALLEN P.O.BOX 1588 SHELBY NC 28151
a=a• '. ;'E' - 24476 2568175963 DARRIN FERNANDEZ CARSON 1793 CARSON RD SHELBY NC 28150
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Q �- v a R►_ I i i:.• 1 V 24477 2568166782 COLIN R CARSON P.O.BOX 2517 SHELBY NC 28151
o A � ,\„ _ ' �K. 24489 2558997531 DOROTHY HAMRICK SLOAN 1920 NEW PROSPECT CH SHELBY NC 28150
y r.. '. �, p." • I r` s 24688 2558648495 ASHE CARRIE LEE P,CAROLYN M P&GWENDOLYN P STOKES&ETAL 135 JOHN CLINE RD CHERRYVILLE NC 28021
rl ,i - •±`�-�' . - - _ •,v .. 24689 2558659039 FOUR B FARMS LLC 409 JOHNSFIELD RD SHELBY NC 28150
• I , . 11.,. , 40080 2568359041 TOMMY WAYNE MURRAY 1443 FOUST RD SHELBY NC 28150
O - - _.., :,'0 4 _ _ `�\? F;., . , . 41994 2569813709 THOMAS R.MASSEY P.O.BOX 1588 SHELBY NC 28151
� - r L 1 42069 2568342102 JOEL SHANE MEADOWS 173 NORTH SHORE DR CHERRYVILLE NC 28021
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R d! I L.:? 44565 2569910051 ASPHALT PAVING OF SHELBY INC P.O.BOX 1526 SHELBY NC 28151
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I� • -�. �' 1 t - - 48094 2568454403 DAVIS RENTALS OF SHELBY LLC 706 MAYNARD ST SHELBY NC 28152
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. .�A •' ... . . °"''", \ 48095 2568457704 JOHNNYA.EUREY 1461 FOUST RD SHELBY NC 28150
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� ` _. /f .`.qy ' - I t 49389 2568451138 BOBBY BEASON 1449 FOUST RD SHELBY NC 28150
�' }} f .^`_ 1 . �re �K ' � # irk. ' /•`� ; , 53670 2568563239 WILSONCOLEMAN 1485CHERRYVILLERD CHERRYVILLE NC 28021
i� * _ - 54370 2569101532 JOSEPH H MORGAN 1517 AIRPORT RD SHELBY NC 28150
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+ e . '` 56780 2569625630 MICHAEL H.STILL P.O.BOX 490 WACO NC 28169
I s • ,''\f r `Y, -��p -•. to '' �.f +t'""' �+ 57959 2568566252 DILLON LEE LEDFORD 104 VIC RANDALL RD BELWOOD NC 28090
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F :• • ' Z�. '`. fiw,ti ; �"..'* -��`.., b ^. .. .. k r;:4y 59017 2568082374 DOROTHY HAMRICK SLOAN 1920 NEW PROSPECT CH SHELBY NC 28150
\ I I i: \; \ L-r ''•' }'r' "}'f -'� a S t� �, 60859 2568291966 DAVID KEVIN SMITH 1361 FIELDING RD SHELBY NC 28150
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N - �„ :10 ; , `"' ' ^"�`"OV r4A'r.i . 4_ r� -:,. " ,,�-•ram 61109 2568770620 DONALD GENE DEDMON JR 240 BUFFALO CH RD CHERRYVILLE NC 28021
+ �r+�: I %. ` 61110 2568685726 THE STROUP LIVING TRUST P.O.BOX 250 WACO NC 28169
`�I�I"" .. ' i - '. x:°,: r. .ri '� ''' -r 61931 2569700271 WEBB METALS REAL ESTATE LLC P.O.BOX 498 DALLAS NC 28034
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o 1 F 5 ...J' . 63040 2558861632 WILLIAMFMABRYJR 1448NEWPROSPECTCH SHELBY NC 28150
[ '~ > 63920 2558877185 SAM M LOCKRIDGE III 403 OLD POST RD CHERRYVILLE NC 28021
��� �:° I 4 . ,-.,-.. .' 70193 2568469232 BROADUS W BELL 1465 FOUST RD SHELBY NC 28150
s i ti'/' ' 73209 2569717608 RUTHERFORD ELECTRIC MEMBERSHIP 202 HUDLOW RD FOREST CITY NC 28043
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REVISION DATE Z*HIGH HOUSE ROAD,SUITE 259
GARRETT COY NORTH CAROLJNA27513 C LEVE LAND COUNTY C&D LF
DRAWI N
0- FAX [phone] FACILITY LAYOUT
& MOORE �,. cm EROSION & SEDIMENT CONTROL PLAN 1
Engineering for the Power and Waste Industries NC FIRM C-2910

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REVISION DATE 206 HIGH HOUSE ROAD,SUITE 259
GARRETT CARY NORTH CAROLJNA27513 C LEVE LAND COUNTY C&D LF D RAW I N G
0- FAX [phone] EXISTING CONDITIONS
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QUIRED UNDER THE CONDITIONS OF STORMWATER GENERAL
f / \ 9 r �/ �/ \ �� / ♦♦ \ \ \\ 1 � �� \ \ \ PERMIT NCG01000. DEMLR MONITORING FORM REV. 08012013
TURBED AR // \ \ \ \ ice\ ♦ \ \ \\ \ \ \ CAN BE LOCATED AT http://deq.nc.gov/about/divisions/energy-
/ 5 8.84 ACRES / \ �i \ ♦ \ \ \ \ mineral-land-resources/erosion-sediment-control/forms
3 FAB 2. SELF-INSPECTION, SAMPLING, MONITORING, &REPORTING
5 KHAN EL\ \ - \ ♦\\ \ \ \\ l 1 \ FOR THIS PROJECT IS REQUIRED UNDER THE CONDITIONS OF
�" \\ %�. ���, \ ♦\ \ \ \ \ \ STORMWATER GENERAL PERMIT NCG120000. DEMLR MONITO-
1 ♦ �CIS�FN RSIO ` \ \ \ \ �, RING REPORT, GUIDANCE, &FORM CAN BE LOCATED AT
f \
♦\ ITC L7) \ / \ \ https://deq.nc.gov/abouVdivisions/energy-mineral-land-resources/
l / , �� '-~ ♦ \ 1 \ n des-stormwater- s#nc 120000:-landfills,- ,
PROPOSED � // / �����``\ ~\�\4 ���`_ ♦ \ \\\ �\\ \ \ \ � // \ \ \\ ��� expires-10-31-2021gp g effective-11-1-1 -
�r- l \ 5 WEST DIVERSION / \��\` \ / A .� _ ; \ \ \ �\ \\ \ -�
1 BERM / / / / ♦\ w ♦ 1
WE LAND tk \\ \ CONSTRUCTION SEQUENCE
1. OBTAIN EROSION &SEDIMENT CONTROL PLAN APPROVAL&
OTHER APPLICABLE APPROVALS/PERMITS.
/ \ \` ♦ '\ \ \ / \ \ 2. CLEAR&GRUB SWATH FOR SILT FENCE.
3. INSTALL SILT FENCE.
Alo
4. CLEAR, GRUB, &STRIP TOPSOIL FROM MINIMAL AREA FOR
000;F J \ I THE INSTALLATION OF SEDIMENT BASIN NO.4 (SB-4).
\ \ T V6R O 2 \ \ / 5. STOCKPILE STRIPPED MATERIAL IN THE EXISTING ADJACENT
/ / \\ \ \ \ \ BORROW AREA, OR IN AN AREA APPROVED BY OWNER AND
g?0 �/ f �\ \\ \\ \\ \\ ENGINEER.
8210 J' / / / -ti \ \ \ \ ` 6. GRADE SB-4 AND INSTALL OUTLET STRUCTURE, INCLUDING
�/ / / / \ \ \`�� \ \\ \\ �-� ENERGY DISSIPATOR.
'op /j// off/ ��\ C/ \\ \\ \\ \� \ `��\ \�\ \\\ 1 1 / / / / 7 SEED MULCH SB-4 IMMADIATELY UPON COMPLETION OF
GRADING.
8. CLEAR, GRUB, &STRIP TOPSOIL FROM MINIMAL AREA FOR
\ \ \ \ \� �\ \ \\ THE INSTALLATION OF THE EAST PERIMETER BERM.
?�
\ SB-4 / / / // / \ 1 \ \ \ \ \ 9. STOCKPILE STRIPPED MATERIAL IN THE EXISTING ADJACENT
( 1 I / BORROW AREA OR IN AN AREA APPROVED BY OWNER AND
\ \ � 36R31AC ES AREA r� / j// / f �) l/ \\ \ \ \ \` \ �\\\ \ '� `\ � � � � � W AND D/ ENGINEER.
/// / // \ \ \� �\ \\ I 1 l l /I 10. INSTALL EAST PERIMETER BERM.
� /// ,� \ \ \ \� \ \ice \ \ �' / / / / / 11. SEED&MULCH EAST PERIMETER BERM IMMADIATELY UPON
/ / \ \ \ \ COMPLETION OF GRADING.
/ \ \ \ \� \ ( 12. CLEAR, GRUB, &STRIP TOPSOIL FROM MINIMAL AREA FOR
/// / o f \ \ \ \ \� 1\ 1 \ 1 I / / THE INSTALLATION OF SEDIMENT BASIN NO.5 (SB-5).
40p% 13. STOCKPILE STRIPPED MATERIAL IN THE EXISTING ADJACENT
BOR OW AREA, OR IN AN AREA APPROVED BY OWNER AND
ENGE0
'02 I I I fj I I / / l l I / / / 14. GRADE SB-5 AND INSTALL OUTLET STRUCTURE, INCLUDING
ENERGY DISSIPATOR.
/// j �-� I I I I� 15. SEED&MULCH SB 5 IMMADIATELY UPON COMPLETION OF
GRADING.
o / //� I I I / / / / / / / / / 16. CLEAR, GRUB, &STRIP TOPSOIL FROM MINIMAL AREA FOR
/� \ / / / J / / THE INSTALLATION OF THE WEST PERIMETER BERM.
/ 17. STOCKPILE STRIPPED MATERIAL IN THE EXISTING ADJACENT
f _/ . I I I I? / �/ / -- / / BORROW AREA, OR IN AN AREA APPROVED BY OWNER AND
01
// / I ' / f / \ '/ // / / 18E STALL WEST PERIMETER BERM.
19. SEED&MULCH WEST COMPLET ON OF GRADING.IMETER BERM IMMADIATELY UPON
\) - � _♦°�� ~\ 1> 20. STABILIZE ALL DISTURBED AREA WITH SEEDING.
PROJECT ENTRANCE
(35.330093,-81.486247) �� f \
-- 1�.� 10 I I I I I I I ��I I ( f \ \\ I l / / SB-4 36"OUTLET PIPE PROFILE
I I / ' \ � ) /� / \ \\ \ \ �� / e10 s10
-----!
I
SB
DRAINAGE AREA
\ I
PROPOSED
10.9 ACRES o� GRADES
EXISTING
GRA
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LU
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770 790 17.05
Ala• RCP ~ 790
<� NOTES:
_ - �P / / / �� / \ I I \ \ \ \ \ \ \ 1. END TREATMENT SHALL BE FLARED-
END SECTION OR NC DOT STANDARD
HEADWALL.2. INSTALL OUTLET PROTECTION APRON
PER DETAIL 5.
40
78% Teo
CU
\ \L�� Cip
� � i � - � - - �- � �=� � / / -� � SB-524"OUTLETPIPEPROFILE
SB-5 / / / �,y-/ / f� / -�,,,\ �` ---�f_�� � � / � \ 89, ee0
~ \ f / \ NOTES:
♦\ `\ / �� ` \ r/ /� / ifi��i' / l -r f - / \- 1. END TREATMENT SHALL BE FLARED-
END` �oo, \ / '/� /� // /r /_�_ /r,.i � � �/ // �� \� \\ f� � o END SECTION ORNCDOTSTANDARD
E \ \ \ \ \ > \ �� \\ / / / � / / J / / � �Qp r/ \ >\ -� 2. NSTAHEADL/L UTLET PROTECTION APRON ISTING
1 \ \ \\\ ���,� �\\\`�� `�� / I / / �/ -ter � � / / ��� / r-'-/ �.��-- \\ \ PERDETAL5. GRADES
\ \ \ED
\ _ �` _i 870 PROPOSE 870
GRADES \
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cCuIDin / ,p / STRUCTURE ft ..� / 5 ` / \ /
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MARCH 27,2020
I \ \
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REVISION DATE 2W HIGH HOUSE ROAD,SUITE 2W
1)
GARRETT CMWN09M CAROUMU513 CLEVELAND COUNTY C&DLF PROPOSED GRADING PLAN & DRAWING
& MOORS FAX [phone]
FAX: 8MC-M -720f3 EROSION & SEDIMENT CONTROL PLAN EROSION CONTROL MEASURES 3
www.garrett-moore.com
4) Engineering for the Power and Waste Industries NC FIRM C-2910

EAST DIVERSION DITCH PROFILE
SCALE , 1 ` 60 '
910 91 r%
900 900
890 89U
880 EAST DITCH 8bv
ALIGNMENT
870 — — — _ — _ 870
860 860
- - - - - - - - - -
850 - - - - — - - - - - - - - - _ . � ._ — 850
EXISTING
840 CONDITIONS 8
nn
830 83r"
820 820
o O O O O O O O O O O O O O O O O O O O O O O
O O O O O O O O O O O O O O O O O O O O O O
r N co LID CO I` co O O r N co It Lo CO co O O r N
r r r r r r r r r r N N N
WEST DIVERSION DITCH PROFILE
SCALE , 1 " = 60 '
940
930
920 WEST DITCH
PROFILE
910
900
EXISTING
890 CONDITIONS
880
o O O O O O O O O O O O
O O O O O O O O O O O
r N M It In co I` 00 O O r
r r
FABRIFORM CHANNEL PROFILE
SCALE ; 1 " = 60 '
900 900
Ln
890 890
cli
O
Cj
Cj 880 880
L
ti
870 870
Q1
E
H
Q1
ED 860 860
cl FABRIFORM
CHANNEL PROFILE
850 850
O
L
a
Cj 840 840
Cj
EXISTING
m
830 CONDITIONS 830
izi
co
U
cn
[d
W
J
820 820
O
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U
Lu
w 810 810
/
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790 790 ' `°��� CAR��'
J PROPOSED °
e�/°o���O oO°°u
o
SB-4 GRADES = _
'780 780 s s ens
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O O O O e e e
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O O O ; �� Gi .•°° 00
r N CM , � `
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ED
MARCH 27,2020
ED
REVISION DATE 208 HIGH HOUSE ROAD,SUITE 259
GARRETT CAR�rNORTH CAROLJNA27513 CLEVELAND COUNTY C&DLF PROPOSED PERMANENT DRAWING
TEL [phone]
& MooRE NCF EROSION & SEDIMENT CONTROL PLAN DITCH PROFILES
4
Engineering for the Power and Waste Industries NC FIRM C-2910

z
-491 EROSION CONTROL MATTING
BAMILL (SEE DETAIL 1/0)
S z MIN.
�1
2
1
BERM WIDTH (M)
TOP OF BERM EL. (L) 3 MAX BASIN SB-4 SB-5
.
TRASH RACK W/ANTI-VORTEX PLATE MAX. 100-YR STORM (0) FREEBOARD 1 BASE EL. (A) 790.5 FT 856 FT EXISTING GRADE
MAX. 25-YR STORM (N) EMERGENCY SPILLWAY EL. (J) RISER = (B) 72 IN 12 IN
- - - - - - - - - - - - - - - -
PRINCIPAL SPILLWAY EL. (C) RISER PRINCIPAL SPILLWAY EL. (C) 797.5 FT 861 FT PERIMETER BERM DETAIL (__2__�
- - DIA. _ (B) A B C EM. SPLIIWAY WIDTH (K)
SKIMMER, SEE DETAIL 7/5 CONCRETE ANTI FLOATATION BLOCK(D) 9 FT X 9 FT X 1.5 FT 4 FT X 4 FT X 1 FT
3 MAX. `~j 3 MAX.
BARREL INV. IN = (E) 790.5 FT 856.0 FT NOT TO SCALE 5
BARREL DIA. _ (F) 36 IN 24 IN
T
SEDIMENT POOL EL. (P)
BARREL SLOPE _ (G) 3.85% 1.29%
BASE EL. (A)
-1
FES BARREL LENGTH = (H) 117.05 FT 155.64 FT
%.
BARREL INV. OUT (1) 786.0 FT 854.0 FT
BARREL BARREL EMERGENCY SPILLWAY EL. (J) 799.0 FT 864.0 FT 28 OZ NON-WOVEN GEOTEXIILE
CONCRETE ANTI FLOATATION BLOCK(D) INV. IN = (E) DIA. _ (F) OVERLAIN BY FABRIFORM
SLOPE _ (G) BARREL INV. OUT (1) EM. SPILLWAY WIDTH (K) 50.0 FT 9.4 FT 1%
LENGTH = (H)
TOP OF BERM EL. (L) 800.5 FT 866.0 FT - - - -
° ° ° °O° ° 3 S °°° ° ° °
A B C BERM WIDTH (M) 15.0 FT 15.0 FT °° 1 rMIN 1 °° °°°
aw MAX.25-YR STORM (N) 798.25 FT 192.81 FT
5.0' 1 2 1
MAX. 100-YR STORM (0) 798.82 FT 861.88 FT
DIAPHRAGM SEDIMENT POOL EL. (P) 794.0 FT 858.5 FT
SEDIMENTATION POND DETAIL (TYP) (�_11FILTER
FABRIFORM CHANNEL 3
N . T . S . rJ NOT TO SCALE 5
Specifications: 8) Earthen spillway(SB-4) - Install the spillway in undisturbed soil to the greatest extent possible.
1) Clear, grub, and strip the area under the embankment of all vegetation and root mat. The achievement of planned elevations, grade, design width, and entrance and exit Chan-
- BACKFILL- o Remove all surface soil containing high amounts of organic matter and stockpile or dispose nel slopes are critical to the successful operation of the spillway. The spillway should be
III- a LIMITS OF of it properly. Haul all objectionable material to the designated disposal area. Place temp- lined with laminated plastic or impermeable geotextile fabric. The fabric must be wide and
COMPACTED BACKFILL �/ EXCAVATION - orary sediment control measures below basin as needed. long enough to cover the bottom and sides and extend onto the top of the dam for anch-
- BACKFILL
(SEE NOTES) UPSTREAM OF 2) Ensure that all material for the embankment is free of roots,woody vegetation, organic oring in a trench.The edges may be secured with 8-inch staples or pins.The fabric must
FILTER _ matter, and other objectionable material. Place the all in lifts not to exceed 9 inches, and be long enough to extend down the slope and exit onto stable ground. The width of the
0 DIAPHRAGM co NOTES: machine compact it. Over all the embankment 6 inches to allow for settlement. fabric must be one piece, not joined or spliced; otherwise water can get under the fabric.
1 n 1 \ CD 1 m- 3) Shape the basin to the specified dimensions. Prevent the skimming device from set- If the length of the fabric is insufficient for the entire length of the spillway, multiple sections,
m LIMITS OF _ 1. DRAIN OUTLET SHALL tling into the mud by excavating a shallow pit under the skimmer or providing a low support spanning the complete width, may be used. The upper section(s) should overlap the lower
1 0 1 EXCAVATION 1 0 BE SAND MEETING ASTM under the skimmer of stone or timber. section(s) so that water cannot flow under the fabric. Secure the upper edge and sides of
m AT FILTER m C33 FINE AGGREGATE WITH 4) Place the barrel (typically 4-inch Schedule 40 PVC pipe) on a firm,smooth foundation of the fabric to a trench with staples or pins. (Adapted from "A Manual for Designing, Installing
m ,� DIAPHRAGM m- LESS THAN 3% FINER THAN impervious soil. Do not use pervious material such as sand, gravel, or crushed stone as and Maintaining Skimmer Sediment Basins." February, 1999. J.W. Faircloth &Son.).
m LOCATION - NO.200 SIEVE. backfill around the pipe. Place the all material around the pipe spillway in 4-inch layers 9) SB-5 Emergency Spillway-The Emergency Spillway shall be the crest of the installed con-
_ 2' 21 and compact it under and around the pipe to at least the same density as the adjacent crete riser. Primary spillway is rectangular weirs shown on the Drawings.
III _ NOTES: MIN MI _ 2. DRAIN OUTLET SAND embankment. Care must be taken not to raise the pipe from the firm contact with its 10) Inlets-Discharge water into the basin in a manner to prevent erosion. Use temporary
FILTER DIAPHRAGM NOTES: = 3' MIN 3I MINI SHALL BE COMPACTED TO foundation when compacting under the pipe haunches. Place a minimum depth of 2 feet slope drains or diversions with outlet protection to divert sediment-laden water to the upper
3 MIN. 3'MIN. 1. COMPACT SOIL BACKFILL (SEE NOTES) �► 95%OF ASTM D-698. of compacted backfill over the pipe spillway before crossing it with construction equipment. end of the pool area to improve basin trap efficiency (References: Runoff Control Measures
RCP TO 95%OF ASTM D-698 3' MIN RCP 3' MIN 1. FILTER DIAPHRAGM DRAIN OUTLET RCP In no case should the pipe conduit be installed by cutting a trench through the dam after and Outlet Protection).
USING HAND OPERATED SAND SHALL BE ASTM (SEE NOTES) 3.ALL EXCAVATION SHALL the embankment is complete. 11) Erosion control-Construct the structure so that the disturbed area is minimized. Divert
MECHANICAL TAMPS. \ C33 FINE AGGREGATE CONFORM TO APPLICABLE 5)Assemble the skimmer following the manufacturer's instructions,or as designed. surface water away from bare areas. Complete the embankment before the area is cleared.
WITH LESS THAN 3% _lv OSHA REGULATIONS. 6) Lay the assembled skimmer on the bottom of the basin with the flexible joint at the inlet Stabilize the emergency spillway embankment and all other disturbed areas above the crest
FINER THAN NO.200 of the barrel pipe. Attach the flexible joint to the barrel pipe and position the skimmer over of the principal spillway yimmediatel after construction References: Surface Stabilization
2. EXCAVATION TO CONFORM \ P P J P P P p P Y ( )•
TO APPLICABLE OSHA , SIEVE. the excavated pit or support. Be sure to attach a rope to the skimmer and anchor it to the 12) Install porous baffles as specified in Practice 6.65, Porous Baffles.
8' MIN. REGULATIONS. 8' MIN. side of the basin. This will be used to pull the skimmer to the side for maintenance. 13)After all the sediment-producing areas have been permanently stabilized, remove the
-N 2. FILTER DIAPHRAGM �-- --� 7) Conduit spillways-Securely attach the riser to the barrel or barrel stub to make a watertight structure and all the unstable sediment. Smooth the area to blend with the adjoining areas
EXCAVATE AS NECESSARY SAND SHALL BE DOWNSTREAM OF FILTER DIAPHRAGM structural connection. Secure all connections between barrel sections by approved watertight and stabilize properly(References: Surface Stabilization).
TO FIRM SUBGRADE COMPACTED TO 95%OF assemblies. Place the barrel and riser on a firm, smooth foundation of impervious soil. Do not 14) Safety-Sediment basins may attract children and can be dangerous.Avoid steep side
EXCAVATE AS NECESSARY I _ 12' MIN. _I ASTM D-698 use pervious material such as sand, gravel, or crushed stone as backfill around the pipe or slopes, and fence and mark basins with warning signs if trespassing is likely. Follow all state
UPSTREAM OF FILTER DIAPHRAGM TO FIRM SUBGRADE r anti-seep collars. Place the fill material around the pipe spillway in 4-inch layers, and compact it and local requirements.
FILTER DIAPHRAGM under and around the pipe to at least the same density as the adjacent embankment. Care
must be taken not to raise the pipe from firm contact with its foundation when compacting under Maintenance:
the pipe haunches. Place a minimum depth of 2 feet of compacted backfill over the pipe spill- Inspect skimmer sediment basins at least weekly and after each significant(one-half inch or
way before crossing it with construction equipment.Anchor the riser in place by concrete or greater) rainfall event and repair immediately. Remove sediment and restore the basin to its
�+ other satisfactory means to prevent flotation. In no case should the pipe conduit be installed by original dimensions when sediment accumulates to one-half the height of the first baffle.
SECTION A SECTION B SECTION C cutting a trench through Pull the skimmer to one side so that the sediment underneath it can be excavated. Exca-
vate the sediment from the entire basin, not just around the skimmer or the first cell. Make
N . T . S . 5 N . T . S . 5 N . T . S . 5 sure vegetation growing in the bottom of the basin does not hold down the skimmer.
Repair the baffles if they are damaged. Re-anchor the baffles if water is flowing underneath
or around them.
If the skimmer is clogged with trash and there is water in the basin, usually jerking on the
rope will make the skimmer bob up and down and dislodge the debris and restore flow. If
this does not work, pull the skimmer over to the side of the basin and remove the debris.
Also check the orifice inside the skimmer to see if it is clogged; if so remove the debris.
SEDIMENT BASIN NOTES ( 4 If the skimmer arm or barrel pipe is clogged,the orifice can be removed and the obstruction
Materials cleared with a plumber's snake or by flushing with water. Be sure and replace the orifice be-
Specifications: La La N . T . S . 5 fore repositioning the skimmer. Check the fabric lined spillway for damage and make any re-
1) Ensure that the subgrade for the filter and riprap follows the required lines 1) Use a synthetic filter fabric or a pervious sheet of polypropylene, nylon, polyester, or \quired repairs with fabric that spans the full width of the spillway. Check the embankment,
and grades shown in the plan. Compact any fill required in the subgrade to SLOPE 0% polyethylene yarn,which is certified by the manufacturer or supplier as conforming to the spillways,and outlet for erosion damage,and inspect the embankment for piping and set-
the density of the surrounding undisturbed material. Low areas in the sub- A A requirements shown in Table 6.62b of the North Carolina Erosion and Sediment Control tlement. Make all necessary repairs immediately. Remove all trash and other debris from
grade on undisturbed soil may also be filled by increasing the riprap thick- III=1 =1 I=1 I Plannin and Design Manual. the skimmer and pool areas.
_ _ 9 9
ness.The riprap and gravel filter must conform to the specific grading limits 1=1I 1=1I 1=1I 1=1 I1=1I I 1=1 1=1 1=1 1= 2 Ensure that osts for silt fences are 1.25 Ib/If steel with a minimum len th of 5 ft. Make Freezing weather can result in ice forming in the basin. Some special precautions should
III-I 1=1 11=1 I ) P 9 1.25 LB./LF STEEL POSTS
shown on the plans. ¢ =1 -1 -1 -1 I-1 I� i-iTi iTi-i 1 - sure that steel posts have projections to facilitate fastening the fabric. 6'SPACING MAX. be taken in the winter to prevent the skimmer from plugging with ice.
2)The riprap and gravel filter must conform to the specified grading limits o g W t SECTION A-A 8 oz/sy 3) For reinforcement of standard strength filter fabric, use wire fence with a minimum 14
shown on the plans. Nonwoven gauge and a maximum mesh spacing of 6 inches.
NOTES: BURY FABRIC
3) Filter cloth,when used, must meet design requirements and be properly Filter Fabric Construction
protected from punching or tearing during installation. Repair any damage 1. La is the length of the riprap apron. BACKFILL TRENCH WITH
by removing the riprap and placing another piece of filter cloth over the 91 2.t = 1.5 times the maximum stone diameter but COMPACTED EARTH
damaged area.All connecting joints should overlap so the top layer is above not less than 6" 1) Construct the sediment barrier of standard strength synthetic filter fabric. 18-24"
the downstream layer a minimum of 1 foot. If the damage is extensive, replace PLAN 3.A filter blanket (filter fabric) should be 2) Ensure that the height of the silt fence does not exceed 24 inches above the ground
the entire filter cloth. installed between the riprap and soil foundation. surface. RUN
4 Ri ra may be laced b equipment, but take care to avoid damaging the filter. 3) Construct the filter fabric from a continuous roll cut to the length of the barrier to avoid
Rip rap Y P Y9 9 %60W-L
5)The minimum thickness of the riprap should be 1.5 times the maximum stone joints. When joints are necessary, securely fasten the filter cloth only at a support post 8J iiii18"with overlap to the next post. - - -i i-i i-i i-i i-i
diameter. _ = ii=iT� 1T1 MIN.
4) Support standard strength filter fabric by wire mesh fastened securely to the upslope -iii-iii
6) Riprap may be field stone or rough quarry stone. It should be hard, angular, �i�Tr�T�i
ENERGY DISSIPATOR SCHEDULE side of the posts. Extend the wire mesh support to the bottom of the trench. Fasten the -iii=iii-iniii-in -
highly weather-resistant and well graded. =i �=ll_ii-
7) Construct the apron on zero grade with no overfill at the end. Make the top of wire reinforcement,then fabric on the upslope side of the fence post.Wire or plastic zip I=iii=iii iii iii=III=
the riprap at the downstream end level with the receiving area or slightly below it. * ties should have minimum 50 lb tensile strength. 30. ��
ENERGY PIPE APRON 5) When a wire mesh support fence is used, space posts a maximum of 8 feet apart. 4
8) Ensure that the apron is properly aligned with the receiving stream and pref- La WIDTH 3Do RIPRAP
DISSIPATOR DIAMETER d THICKNESS Support posts should be driven securely into the ground a minimum of 24 inches.
erably straight throughout its length. If a curve is needed to fit site conditions, 50 �nax (ft) (ft) (ft) SIZE
place it in the upper section of the apron. ID (in) t (ft) 6) Extra strength filter fabric with 6 feet post spacing does not require wire mesh
9) Immediately after construction,stabilize all disturbed areas with vegetation SB-4 OUTLET 36 0.6 0.9 1.35 19.5 28.5 9 CLASS B support fence. Securely fasten the filter fabric directly to posts.Wire or plastic Zip ties FLAT-BOTTOM TRENCH DETAIL
(Practices 6.10,Temporary Seeding, and 6.11, Permanent Seeding). should have minimum 50 pound tensile strength.
C�i SB-5 OUTLET 24 0.4 0.6 0.90 13.5 19.5 6 CLASS A 7) Excavate a trench approximately 4 inches wide and 8 inches deep along the pro
Q Maintenance: -posed line of posts and upslope from the barrier.
Ln Inspect riprap outlet structures weekly and after significant(1/2 inch or greater) rainfall *NCDOT SPECIFIED GRADATION,2012 OR LATEST ED. 8) Place 12 inches of the fabric along the bottom and side of the trench. NC Ground Cover Requirements:
events to see if any erosion around or below the riprap has taken place, or if stones 9) Backfill the trench with compacted soil or gravel placed over the filter fabric. TEMPORARY SEEDING SCHEDULES
have been dislodged. Immediately make all needed repairs to prevent further damage. 10) Do not attach filter fabric to existing trees. The angle for graded slopes and fills shall be no greater than the angle that can
SILT FENCE 6 be retained by vegetative cover or other adequate erosion-control devices or
o structures. In an event,slopes left exposed will,within 7 or 14 calendar days
Table 10a-Late Winter and Early Spring Table 10b-Summer Table 10c-Fall
0 ENERGY DISSIPATER ('5-) y P y
0 of completion of any phase of grading,be planted or otherwise provided with
temporary ground cover,devises or structures sufficient to restrain erosion. Seeding mixture Seeding mixture Seeding mixture
5 N . T . S . 5 Permanent groundcover will be provided for all disturbed areas within 15 working Rye(grain) 120 Ib/ac German millet 40 Ib/ac Rye(grain) 120 Ib/ac
Ci days or no more than 90 calendar days(whichever is shorter)following Annual lespedeza(Kobe) 50 Ib/ac Seeding dates Seeding dates
completion of construction. Omit annual lespedeza when duration of Coastal Plain:Apr.15-Aug.15 Coastal Plain:Aug.15-Dec.30
temporary cover is not to extend beyond June. Soil amendments Soil amendments
Seeding dates Follow recommendations of soil tests or apply Follow recommendations of soil tests or apply
Coastal Plain Dec.1 -Apr.15 2,000 lb/acre ground agricultural limestone and 2,000 lb/acre ground agricultural limestone and
LL Ground Stabilization* Soil amendments 750 lb/acre 10-10-10 fertilizer. 750 lb/acre 10-10-10 fertilizer.
PVC END CAP SCHEDULE 40 Site Area Description Stabilization Time Exceptions Follow recommendations of soil tests or apply Mulch Mulch
PVC VENT PIPE PVC PIPE 2,000 lb/acre ground agricultural limestone and Apply 4,000 lb/acre straw.Anchor straw by Apply 4,000 lb/acre straw.Anchor straw by
Perimeter dikes,swales,ditches,&slopes. 7 days None 750 lb/acre 10-10-10 fertilizer. tackingwith asphalt,netting,or a mulch anchoring tacking with asphalt,netting,or a mulch anchoring
PVC ELBOW Maintenance: Specifications: High quality water Ho zones. 7 d None P 9� 9 9 P 9 !3
i9 4 fly (HOW) � Mulch tool.A disk with blades set nearly straight can be tool.A disk with blades set nearly straight can be
ED Slopes steeper than 3:1 7 days M slopes 10 or less in length and are no Apply 4,000 lb/acre straw.Anchor straw by used as a mulch anchoring tool. used as a mulch anchoring tool.
WATER SURFACE Inspect baffles at least once a week and after each rainfall.Make any required repairs immediately. 1)Grade the basin so that the bottom is level front to back and side to side. steeper than 2:1,14 days allowed. tacking with asphalt,netting,or a mulch anchoring Maintenance Maintenance
0 Be sure to maintain access to the baffles.Should the fabric of a baffle collapse,tear,decompose,or become 2)Install the coir fiber baffles immediately upon excavation of the basin. tool.A disk with blades set near) straight can be Refertilize if growth is not full adequate.Reseed, Repair and refertilize damaged areas immediately.
o ineffective,replace ltpromptly. 3 Install posts across the width of the sediment trap Practice 6.62,Sediment Fence). Slopes 3:1 or flatter 14 days 7 days for slopes>W long y g g y q P g y
P ) P P( All other areas with slopes flatter than 4:1 14 days None(except perimeters&HOW zones) used as a mulch anchoring tool. refertilize and mulch immediately following erosion Topdress with 50 lb/acre Of nitrogen in March.If
o PVC END CAP Remove sediment deposits when lt reaches half full,to provide adequate storage volume for the next rain and 4)Steel posts should be driven to a depth of 24 inches and spaced a maximum of 4 feet apart.The top of the i Maintenance or other damage. it is necessary to extend temporary cover beyond June 15,
to reduce pressure on the baffles.Take care to avoid damaging the baffles during cleanout,and replace if fabric should be a minimum of 6 inches higher than the invert of the spillway.Tops of baffles should be a min- *•Extensions of time may be approved b the permitting authorityRefertilize if growth is not fully adequate.Reseed, overseed with 50 lb/acre Kobe(Piedmont and
SCHEDULE 40 ORIFICE PLATE dame damaged durin cleanout o erations.Sediment de th should never exceed half the desi designed store a de th. imum of 2 inches lower than the to of the earthen embankment. y -s y g
PVC TEE 9 9 P P 9 9 P P based on weather or other sRe-specific conditions that make compliance refertilize and mulch immediately following erosion Coastal Plain)in late February or early March.
PVC PIPE After the contributing drainage area has been properly stabilized,remove all baffle materials and unstable 5)Install at least three rows of baffles between the inlet and outlet discharge point.Basins less than 20 feet in impracticable!(NCG01 Section 113(2)(b)) or other damage.
PVC PIPE PVC TEE sediment deposits,bring the area to grade,and stabilize it. length may use 2 baffles.
6)Attach a 9-gauge high tension wire strand to the steel posts at a height of 6 inches above the spillway ele- SPECIFICATIONS
a GRAVEL PAD: 6" MIN #57 GRAVEL BEDDING, vation with plastic ties or wire fasteners to prevent sagging.If the temporary sediment basin will be converted
o to a permanent stormwater basin of a greater depth,the baffle height should be based on the pool depth during Complete grading before preparing seedbeds,and install all PERMANENT SEEDING SCHEDULES
C�i V WIDER THAN SKIMMER HEAD ON ALL SIDES. use as a temporary sediment basin.
o necessary erosion control practices such as,dikes,waterways,and basins.Minimize
C�i E 7)Extend 9 gauge minimum high tension wire strand to side of basin or install steel T-posts to anchor baffle to steep slopes because they make seedbed preparation difficult and increase the
side of basin and secure to vertical end posts. erosion hazard.If soils become compacted during grading,loosen them to a depth March 1 -August 31 September 1 -February 28
ri 8)Drape the coir fiber mat over the wire strand mounted at a height of 6 inches above the spillway elevation. of 6 8 inches using a ripper,harrow,or chisel plow.
o BOTTOM SURFACE Secure the coir fiber mat to the wire strand with plastic ties or wire fasteners.Anchor the matting to the sides SEEDBED PREPARATION Seeding mixture Seeding mixture
3 FLEXIBLE HOSE and floor of the basin with 12 inch wire staples,approximately 1 ft apart,along the bottom and side slopes of g g
CZ PROFILE PROFILE the basin. Good seedbed preparation is essential to successful plant establishment.A good Tall Fescue 75 Ib/ac Tall Fescue 75 Ib/ac
n seedbed is well-pulverized,loose,and uniform.Where hydroseeding methods are Bermudagrass(hulled)25 Ib/ac Bermudagrass(unhulled)35 Ib/ac
U 9)Do not splice the fabric,but use a continuous piece across the basin. used,the surface may be left with a more irregular surface of large clods and stones. Soil amendments Soil amendments
10)Adjustments may be required in the stable requirement to fit individual site conditions.
cn LIMING Follow recommendations of soil tests or apply Follow recommendations of soil tests or apply
w Apply lime according to soil test recommendations.If the pH(acidity)of the soil is per Temporary Seeding Schedules. per Temporary Seeding Schedules.
not known,an application of ground agricultural limestone at the rates specified in
o p0 - the adjacent Temporary and Permanent Seeding Schedules soils is usually
ARM ASSEMBLY o Np O sufficient.Apply limestone uniformly and incorporate into the top 4-6 inches of soil.
�QF Soils with a pH of 6 or higher need not be limed.
U OUTLET ARRANGEMENT (SP-4 ONLY) "C" ENCLOSURE TO PREVENTSUPPORT IRE FERTILIZER
CZ
LiSCHEDULE 40 PVC SAGGING Base application rates on soil tests.When these are not possible,follow adjacent
LL schedules for Temporary and Permanent Seeding.Both fertilizer and lime
o should be incorporated into the top 4-6 inches of soil.If a hydraulic seeder is used,
CZ 4'x 4'CLASS A RIPRAP ENERGY o do not mix seed and fertilizer more than 30 minutes before application.Surface
DISSIPATER, MIN. 1'-THICK STEEL SUPPORT POST additional roughening may not be required,except to break up large clods.If WATER ENTRY UNIT roughening.If recent tillage operations have resulted in a loose surface, G ROU N DCOVER AND SEEDING 9
co MIN. 24" IMBEDMENT
MAX. SPACING 4' rainfall causes the surface to become sealed or crusted,loosen lt just prior to
seedingb disking,raking,harrowing,or other suitable methods.Groove or furrow �11 t t I t tilt
o SP-4 SP-5 UNITS slopes teeper than 3:1 on the contour before seeding(Practice 6.03,Surface N 0 T T 0 SCALE
5 �� Q
SKIMMER SIZE 8.00 6.00 INCHES Roughening). .` �¢
NOTE: SKIMMER SHALL BE AS MANUFACTURED BY J.W. FAIRCLOTH &SON INC. OR PLANT SELECTION •
HEAD ON SKIMMER 0.5 0.417 FEET o°eFESS/p°°°
ORIFICE SIZE 6.00 2.75 INCHES ENGINEER-APPROVED EQUIVALENT. EQUIVALENT STRUCTURE SHALL BE A FLOATING o �O o
DEWATERING TIME 3.00 3.00 DAYS STRUCTURE,AND SHALL BE CAPABLE OF DEWATERING SKIMMER BASIN OVER 3 DAYS. Seeding mixture shall follow adjacent schedules for Temporary Seeding and = g S o
� �- ewe
POROUS BAFFLES( 8 )
Permanent Seeding. o i 9 6 °
T
SKIMMER 7 N . T . S . 5
N . T . S . ' i�tttt list"
CD
5
MARCH 27,=0
CD
REVISION DATE 206 HIGH HOUSE ROAD,SUITE 259
GARRETT NORTH CAROLINA27513 CLEVELAND COUNTY C&DLF
DRAWING
TEL [phone] DETAILS
& MooRE NCF EROSION & SEDIMENT CONTROL PLAN 5
Engineering for the Power and Waste Industries NC FIRM C-2910

12 in.(30 cm) Specifications:
1)Even if properly designed,If not properly installed,RECP's will probably not function as desired.Proper
installation is imperative. Even if properly installed,If not properly timed and nourished,vegetation will prob-
4 in.(10 cm) ably not grow as desired. Proper seed/vegetation selection is also imperative.
6 in. Gin. 2)Grade the surface of installation areas so that the ground is smooth and loose. When seeding prior to in-
(15 cm) (15 cm) stallation,follow the steps for seed bed preparation,soil amendments,and seeding in Surface Stabilization,
- 4 in.(10 cm) 6.1. All gullies,rills,and any other disturbed areas must be fine graded prior to installation. Spread seed
before RECP installation.(Important:Remove all large rocks,dirt clods,stumps,roots,grass clumps,trash,
and other obstructions from the soil surface to allow for direct contact between the soil surface&the RECP.)
3)Terminal anchor trenches are required at RECP ends and intermittent trenches must be constructed
6 in. 2 in.-5 in. across channels at 25-foot intervals.Terminal anchor trenches should be a minimum of 12 inches in depth
y (is cm) (5-12.5 cm) and 6 inches in width,while intermittent trenches need be only 6 inches deep and 6 inches wide.
4)Installation for Slopes-Place the RECP 2-3 feet over the top of the slope and into an excavated end
> > trench measuring approximately 12 inches deep by 6 inches wide. Pin the RECP at 1 foot intervals along
4 in.-6 1 © �, the bottom of the trench,backfill,and compact. Unroll the RECP down(or along)the slope maintaining
(10 1s cm t} ^� �' ^f > ': direct contact between the soil and the RECP. Overlap adjacent rolls a minimum of 3 inches.Pin the RECP
x
to the ground using staples or pins in a 3 foot center-to-center pattern. Less frequent stapling/pinning is
��;.:.., acceptable on moderate slopes.
5)Installation in Channels-Excavate terminal trenches(12 inches deep and 6 inches wide)across the
channel at the upper and lower end of the lined channel sections. At 25-foot intervals along the channel,
anchor the RECP across the channel either in 6 inch by 6 inch trenches or by installing two closely spaced
rows of anchors. Excavate longitudinal trenches 6 inches deep and wide along channel edges(above
water line)in which to bury the outside RECP edges. Place the first RECP at the downstream end of the
channel. Place the end of the first RECP in the terminal trench and pin it at 1 foot intervals along the bottom of the trench. PART III PART III
^
PART III
Note:The RECP should be placed upside down in the trench with the roll on the downstream side of the bench. SELF-INSPECTION,RECORDKEEPING AND REPORTING SELF-INSPECTION,RECORDKEEPING AND REPORTING SELF-INSPECTION,RECORDKEEPING AND REPORTING
Once pinned and backfilled,the RECP is deployed by wrapping over the top of the trench and unrolling up-
stream. If the channel is wider than the provided rolls,place ends of adjacent rolls in the terminal trench,overl- SECTION A:SELF-INSPECTION SECTION B:RECORDKEEPING SECTION C:REPORTING
Gin apping the adjacent rolls a minimum of 3 inches.Pin at 1 foot intervals,backfill,and compact. Unroll the RECP Self-Inspections are required during normal business hours in accordance with the table
(15 urn - ,�- - in the upstream direction until reaching the first intermittent trench. Fold the RECP back over itself,positioning p q g 1.E&SC Plan Documentation 1.Occurrences that Must be Reported
the roll on the downstream side of the trench,and allowingthe mat to conform to the trench. 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:
Then in the RECP two layers)to the bottom of the trench,backfill,and compact. Continue u the channel personnel to be in jeopardy,the inspection may be delayed until the next business day on pp p p p_ g g p (a) Visible sediment deposition in a stream or wetland.
p ( y ) p p approved E&SC Ian must be kept up-to-date throughout the coverage under this permit.
(wrapping over the top of the intermittent trench)repeating this step at other intermittent trenches,until reaching which it is safe to perform the inspection. In addition,when a storm event of equal to or The following items pertaining to the E&SC plan shall be kept on site and available for
the upper terminal trench. greater than 1.0 inch occurs outside of normal business hours,the self-inspection shall be
CRITICAL POINTS Horizontal sta ie/stokes spacing should be altered At the upper terminal trench,allow the RECP to conform to the trench,secure with pins or staples,backfill, inspection at all times during normal business hours.
�//o
p p g performed upon the commencement of the next business day. Any time when inspections (b) Oil spills if:
A.overlaps and Seams if necessary to allow staples to secure the critical compact and then bring the mat back over the top of the trench and onto the existing mat(2 to 3 feet overlap were delayed shall be noted in the Inspection Record. Item to Document Documentation Requirements
B.Projected Water Line points along the channel surface. in the downstream direction),and pin at 1 foot intervals across the RECP. When starting installation of a new Y P q • They are 25 gallons or more,
C.Channel Bottom/Side Slopevertices roll,begin in a trench or shingle-lap ends of rolls a minimum of 1 foot with upstream RECP on top to prevent Frequency (a) Each E&SC measure has been installed Initial and date each E&SC measure on a copy e They are less than 25 gallons but cannot be cleaned up within 24 hours,
uplifting. Place the outside edges of the RECP(s)in longitudinal trenches,pin,backfill,and compact. Inspect (during normal Inspection records must include: and does not significantly deviate from the of the approved Il plan or complete,date
6)Anchoring Devices-11 gauge,at least 6 inches length by 1 inch width staples or 12 inch minimum length business hours) locations,dimensions and relative elevations and sign an inspection report that lists each They cause sheen on surface waters[regardless of volume),or
CHANNEL INSTALLATION STEPS wooden stakes are recommended for anchoring the RECP to the ground. (1)Rain gauge Daily Daily rainfall amounts. shown on the approved Il plan. E&SC measure shown on the approved E&SC • They are within 100 feet of surface waters(regardless of volume).
Drive staples or pins so that the top of the staple or pin is flush with the ground surface. Anchor each RECP maintained In If no daily rain gauge observations are made during weekend or
every 3 feet along its center. Longitudinal overlaps must be sufficient to accommodate a row of anchors and good working holiday periods, and no individual-day rainfall information is plan. This documentation is required upon the
1.Prepare soil before installing RECPs,including any necessary application of lime,fertilizer and seed. uniform along the entire length of overlap and anchored every 3 feet along the overlap length. Roll ends may order available, record the cumulative rain measurement for those un- initial installation of the E&SC measures or if
be spliced by overlapping 1 foot(in the direction of water flow),with the upstream/upslope mat placed on top attended days (anc this will determine if a site inspection is the E&SC measures are modified after initial (c) Releases of hazardous substances in excess of reportable quantities under Section 311
2.Begin at the top of the channel by anchoring the RECPs in a 6 in.(15 cm)deep x 6 in.(15 cm)wide trench with approximately 12 of the downstream/downslope RECP. This overlap should be anchored at 1 foot spacing across the RECP. needed). Days on which no rainfall occurred shall be recorded as installation. of the Clean Water Act(Ref:40 CFR 110.3 and 40 CFR 117.3)or Section 102 of CERCLA
in.(30 cm)of RECPs extended beyond the upslope portion of the trench.For supplemental scour protection,use RevetMax- When installing multiple width mats heat seamed in the factory,all factory seams and field overlaps should be "zero." The permittee may use another rain-monitoring device (Ref:40 CFR 302.4)or G.S.143-215.85.
System ShoreMax®Mat at the channel/culvert outlet as needed.Anchor the RECPs with a row of staples/stakes approximately 12 similarly anchored. approved by the Division. (b) A phase of grading has been completed. Initial and date a copy of the approved E&SC
in.(30 cm)apart in the bottom of the trench.Backfill and compact the trench after stapling.Apply seed to the compacted soil and (2) E&SC At least once per 1. Identification of the measures inspected, plan or complete,date and sign an inspection
fold the remaining 12 in.(30 cm)portion of RECPs back over the seed and compacted soil.Secure RECPs over compacted soil with Measures 7 calendar days 2. Date and time of the inspection, report to indicate completion of the (d) Anticipated bypasses and unanticipated bypasses.
a row of staples/stakes spaced approximately 12 in.(30 cm)apart across the width of the RECPs. Maintenance: and within 24 3. Name of the person performing the inspection, construction phase.
hours of rain 4. Indication of whether the measures were operating (c) Ground cover is located and installed Initial and date a copy of the approved E&SC
3.Roll center RECPs in direction of water flow in bottom of channel.RECPs will unroll with appropriate side against the soil surface. event>1.0 inch in properly, a Noncompliance with the conditions of this permit that may endanger health or the
All RECPs must be securely fastened to soil surface by placing staples/stakes in appropriate locations as shown in the staple pattern 1)Inspect Rolled Erosion Control Products at least weekly and after each significant(1/2 inch or greater)rain 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 ( } P P Y g
guide. fall event repair immediately. 6. Description,evidence,and date of corrective actions taken. plan. report to indicate compliance with approved environment.
2)Good contact with the ground must be maintained,and erosion must not occur beneath the RECP. (3)Stormwater At least once per 1. Identification of the discharge outfalls inspected, ground cover specifications.
4.Place consecutive RECPs end-over-end(shingle style)with a 4 in.-6 in.(10-15 cm)overlap.Use a double row of staples staggered 3)Any areas of the RECP that are damaged or not in close contact with the ground shall be repaired and discharge 7 calendar days 2. Date and time of the inspection,
stapled. outfalls SDCs and within 24 3. Name of the person performing the inspection, (d) The maintenance and repair Complete,date and sign an inspection report. 2.Reporting Timeframes and Other Requirements
4 in.(10 cm)apart and 4 in.(10 cm)on center to secure RECPs. p ( ) p p g p P g q
4)If erosion occurs due to poorly controlled drainage,the problem shall be fixed and the eroded area protected. hours of rain 4. Evidence of indicators of stormwater pollution such as oil requirements for all E&SC measures
5 Monitor and repair the RECP as necessary until round cover is established. event 1.0Inch In sheen,floating or suspended solids or discoloration, have been performed.
After a permittee becomes aware of an occurrence that must be reported,he shall contact
5.Full-length edge of RECPs at top of side slopes must be anchored with a row of staples/stakes approximately 12 in.(30 cm)apart } P � rY 9 p
in a 6 in. 15 cm deep15 cm wide trench.Backfill and com 24 hours 5. Indication of visible sediment leaving the site, the appropriate Division regional office within the timeframes and in accordance with the
( ) x 6 in.( ) pact the trench after sta lin .p g 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 other requirements listed below. Occurrences outside normal business hours may also be
6.Adjacent RECPs must be overlapped approximately 2 in.-5 in.(5-12.5 cm)(depending on RECP type)and stapled.* (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 reported to the Department's Environmental Emergency Center personnel at(800)
site 7 calendar days of the following shall be made: report to indicate the completion of the 858-0368.
7.In high flow channel applications a staple check slot is recommended at 30 to 40 ft(9-12 m)intervals.Use a double row of staples and within 1. Actions taken to cleanup or stabilize the sediment that has left corrective action.
hours of a raain the site limits,
staggered 4 in.(10 cm)apart and 4 in.(10 cm)on center over entire width of the channel. event>1.0 Inch In 2. Description,evidence,and date of corrective actions taken,and 2•Additional Documentation to be Kept on Site Occurrence Reporting Timeframes(After Discovery)and Other Requirements
8.The terminal end of the RECPs must be anchored with a row of staples/stakes approximately 12 in.(30 cm)apart in a 6 in.(15 24 hours 3. An explanation as to the actions taken to control future In addition to the E&SC plan documents above,the following items shall be kept on the (a)Visible sediment a Within 24 hours,an oral or electronic notification.
releases. site and available for inspectors at all times during normal business hours,unless the deposition in a e Within 7calendardays,a report that contains a description of the
cm)deep x 6 in.(15 cm)wide trench.Backfill and compact the trench after stapling. (s)Streams or At least once per If the stream or wetland has increased visible sedimentation or a
Division provides a site specific exemption based on unique site conditions that make stream or wetland sediment and actions taken to address the cause of the deposition.
wetlands onsite 7 calendar days stream has visible increased turbidity from the construction
or offsite and within 24 activity,then a record of the following shall be made: this requirement not practical: Division staff may waive the requirement for a written report on a
EROSIONCONTROL MATTING INSTALLATION 1 (where hours of a rain 1. Description,evidence and date of corrective actions taken,and case-by-Case basis.
accessible) event>1.0 inch in 2. Records of the required reports to the appropriate Division (a) This General Permit as well as the Certificate of Coverage,after it is received. • If the stream is named on the NC 303(d)list as impaired for sediment-
24 hours Regional Office per Part III,Section C,Item(2)(a)of this permit. related causes,the permittee may be required to perform additional
After each phase 1. The phase of grading(installation of perimeter E&SC monitoring,inspections or apply more stringent practices if staff
stabilization of grading measures,clearing and grubbing,installation of storm (b) Records of inspections made during the previous twelve months. The permittee shall
determine that additional requirements are needed to assure compliance
measures drainage facilities,completion of all land-disturbing record the required observations on the Inspection Record Form provided by the
with the federal or state impaired-waters conditions.
activity,construction or redevelopment,permanent Division or a similar inspection form that includes all the required elements. Use of (b)Oil spills and • Within 24 hours,an oral or electronic notification. The notification
ground cover). electronically-available records in lieu of the required paper copies will be allowed if
2. Documentation that the required ground stabilization release of shall include information about the date,time,nature,volume and
measures have been provided within the required shown to provide equal access and utility as the hard-copy records. hazardous location of the spill cr release.
timeframe or an assurance that they will be provided as substances per Item
soon as possible. 3.Documentation to be Retained for Three Years 1(b)-(c)above
All data used to complete the a-NOI and all inspection records shall be maintained for a period
NOTE:The rain inspection resets the required 7 calendar day inspection requirement. of three ears after project completion and made available upon request. 40 CFR 122.41 (c)Anticipated a Are reportrt
least ten de anays evaluation
the date
of
a the bypass,upossible.
p q y p q Y p � p p q � � bypasses(40 CFR The report shall include an evaluation of the anticipated quality and
122.41(m)(3)] effect of the bypass.
PART II,SECTION G,ITEM(4) (d)Unanticipated a Within 24 hours,an oral or electronic notification.
DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT bypasses[40 CFR a Within 7calendardays,a report that includes an evaluation of the
122.41(m)(3)] quality and effect ofthe bypass.
(e)Noncompliance a Within 24 hours,an oral or electronic notification.
Sediment basins and traps that receive runoff from drainage areas of one acre or more shall use outlet structures that withdraw water from the surface when these devices need to be drawn down with the conditions a Within 7 colendardays,a report that contains a description of the
for maintenance or close out unless this is infeasible. The circumstances in which it is not feasible to withdraw water from the surface shall be rare(for example,times with extended cold weather). of this permit that noncompliance,and its causes;the period of noncompliance,
Non-surface withdrawals from sediment basins shall be allowed only when all of the following criteria have been met: 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
(a) The E&SC plan authority has been provided with documentation of the non-surface withdrawal and the specific time periods or conditions in which it will occur. The non-surface withdrawal environment[40 continue;and steps taken or planned to reduce,eliminate,and
CFR 122.41(I)(7)] prevent reoccurrence of the noncompliance.[40 CFR 122.41(I)(6).
shall not commence until the E&SC plan authority has approved these items, • Division staff may waive the requirement for a written report on a
(b) The non-surface withdrawal has been reported as an anticipated bypass in accordance with Part III,Section C,Item(2)(c)and(d)of this permit, case-by-case basis.
(c) Dewatering discharges are treated with controls to minimize discharges of pollutants from stormwater that is removed from the sediment basin. Examples of appropriate controls include
properly sited,designed and maintained dewatering tanks,weir tanks,and filtration systems,
(d) Vegetated,upland areas of the sites or a properly designed stone pad is used to the extent feasible at the outlet of the dewatering treatment devices described in Item(c)above, -
NORTH
(e) Velocity dissipation devices such as check dams,sediment traps,and riprap are provided at the discharge points of all dewatering devices,and � 1+-
CAROLINA
a Environ
(f) Sediment removed from the d mental Qualityewatering treatment devices described in Item(c)above is disposed of in a manner that does not cause deposition of sediment into waters of the United States. '``
NCGO1 SELF-INSPECTION, RECORDKEEPING AND REPORTING EFFECTIVE: 04/01/19
GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH EQUIPMENT AND VEHICLE MAINTENANCE ONSITE CONCRETE WASHOUT
THE NCG01 CONSTRUCTION GENERAL PERMIT 1. Maintain vehicles and equipment to prevent discharge of fluids. STRUCTURE WITH LINER
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 any T t.a
3. Identify leaks and repair as soon as feasible,or remove leaking equipment from the ,. ,,.�,,,,,., o I A
sections of the NCG01 Construction General Permit(Sections E and F, respectively). The a*'°�� aW a" o ;�
permittee shall comply with the Erosion and Sediment Control plan approved by the project. Yo o _
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 r- �(�
may not apply depending on site conditions and the delegated authority having jurisdiction. hazardous waste(recycle when possible).
5. Remove leaking vehicles and construction equipment from service until the problem »wsmnmLAA
SECTION E:GROUND STABILIZATION
has been corrected. '�l-r�' 1�G""'a n' r°"o"rn' '°"°' °'`'•" ""o�"`""°"'r
6 M mO[1[V�9 W!SIeC11eII eru Vloi M LLO wry ei"
m'nir o m�n n[�mrcno aGM°c ma ee"p
Required Ground Stabilization Timeframes 6. Bring used fuels,lubricants,coolants, hydraulic fluids and other petroleum products ELM
to a recycling or disposal center that handles these materials. arw•.0 vnx o.o rrwQ amo•a wean rnumrc
Stabilize within this
Site Area Description
many calendar Timeframe variations HFI OW GRADE 4g&Lrr STRUCTuRF ABOVE GRADE VASFflIIT STRUCTURE
days after ceasing LITTER,BUILDING MATERIAL AND LAND CLEARING WASTE
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
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.
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.
HQW Zones 7 None 4. Locate waste containers on areas that do not receive substantial amounts of runoff
(HQW) 3. Manage washout from mortar mixers in accordance with the above item and in
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. addition place the mixer and associated materials on impervious barrier and within
(c) Slopes steeper than p g 5. Cover waste containers at the end of each workday and before storm events or lot perimeter silt fence.
3:1 7 not steeper than 2:1, 14 days are Y
allowed provide secondary containment. Repair or replace damaged waste containers. 4. Install temporary concrete washouts per local requirements,where applicable. If an
-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
cu 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
'1 -7 days for perimeter dikes,swales, containers overflow. types of temporary concrete washouts provided on this detail.
ai (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.
o ditches, perimeter slopes and HQW 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
cu (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
col 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.
l� spills or overflow.
cu Note:After the permanent cessation of construction activities,an areas with temporary 3. Contain liquid wastes in a controlled area.
L p Y p Y 7. Locate washouts in an easily accessible area,on level ground and install a stone
C_ 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
a 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.
C 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
surface stable against accelerated erosion until permanent round stabilization is achieved. limits. Post signage on the washout itself to identify this location. project
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
c, p p p products,follow manufacturer's instructions.
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
o •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
other mulches and tackifiers other mulches and tackifiers foot traffic areas. caused by removal of washout.
• 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
without temporary grass seed • Hydroseeding with properly operating unit.
o • Appropriately applied straw or other mulch • Shrubs or other permanent plantings covered HERBICIDES,PESTICIDES AND RODENTICIDES
a • Plastic sheeting with mulch h 1. Store and apply herbicides,pesticides and rodenticides in accordance with label
o • Uniform and evenly distributed ground cover EARTHEN STOCKPILE MANAGEMENT restrictions.
CU sufficient to restrain erosion 1. Show stockpile locations on plans. Locate earthen-material stockpile areas at least
o 2. Store herbicides,pesticides and rodenticides in their original containers with the
Cil •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.
o • Rolled erosion control products with grass seed available.
3 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
CZ POLYACRYLAMIDES(PAMS)AND FLOCCULANTS f f from stockpile. possible or where they may spill or leak into wells,stormwater drains,ground water
n five the toe o stoc
or surface water. If a spill occurs,clean area immediately.
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.
Cnn construction,selecting from the NC DWR List of Approved PAMS/Flocculants. 4. Stabilize stockpile within the timeframes provided on this sheet and in accordance
CZ
w 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
LL 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
J HAZARDOUS AND TOXIC WASTE
o PAMS/Flocculants and in accordance with the manufacturer's instructions. erosion on disturbed soils for temporary or permanent control needs.
ca 1. Create designated hazardous waste collection areas on-site.
c) 4. Provide ponding area for containment of treated Stormwater before discharging
offsite. 2. Place hazardous waste containers under cover or in secondary containment.
Cn } NORTH CAROLI NA 3. Do not store hazardous chemicals,drums or bagged materials directly on the ground.
ca 5. Store flocculants in leak-proof containers that are kept under storm-resistant cover
its or surrounded by secondary containment structures. Environmental Quality
J
O
cd
NCGOI GROUND STABILIZATION AND MATERIALS HANDLING EFFECTIVE: 04/01/19
Co
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Lt_ `` �elLO��iO•a••� '''
e ``CC e
00
e 9 ' 6 ecu
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CD
•. IN v° o �.
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APRIL 27,20=
Cu
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REVISION DATE 206 HIGH HOUSE ROAD,SUITE 259
1)INCORPORATED NCG01 SELF-INSPECTION&GROUND COVER REQUIREMENTS APRIL 27,2020 GARRETT
E' CARY NORTH CAROL NA U513 CLEVELAND COUNTY C&DLF
DRAWING
TEL - -10 EL 8663112a6 DETAILS
& MOORE mil.8rrett--moorem EROSION & SEDIMENT CONTROL PLAN 6
Engineering for the Power and Waste Industries INC FIRM C-2910

ATTACHMENT 5. SKIMMER DESIGN CALCULATIONS

GARRETT ,AIF PROJECT Cleveland Coounty C&DLF Vertical Expansion#2
Q MOOR SUBJECT SB-5 Skimmer design
(�[ COMPUTED BY CEL CHECKED BY
Engineering forthe Power and Waste Industries DATE 10/14/2019
Purpose
Size a skimmer to allow a Dewatering time for the Sedimentation Pond of 3-5 days
References
Erosion and Sediment Control Planning and Design Manual
Section 6.64 table 6.64a
Analysis
Qd=V/td
Qd= flow rate of drainage(ft^3/day)
V= volume of water that needs to be drained(ft^3)
td= time of drainage(day)
V= 33,399.63 ft^3
td= 3.00 days
Qd=V/td 11,133.21 ft^3/day 0.128856597 ft"3/sec
#of skimmers= 1.00
D=sgrt(Qd/(2310'sgrt(H)))
D= orifice diameter(in)
H= Head of Orifice(ft)
Skimmer Diameter= 6.00 in.
H= 0.417 ft.
D(theoretical)= 2.73 in.
D(actual)= 2.75 in.
Skimmer size= 6.00 in.
Head on Skimmer= 0.417 ft.
Orifice size= 2.75 in.
Dewatering time= 3.00 days
Arm Assembly
y 4— 'C"Enolasure
PERSPECTIVE VIEW VJatUnEnry
PVC End PVC Elbow PVC Vent Pipe Schedule 40
L°P PVC Pip
Water Surface
7 r
PVC End
Cap
56W-dude 9flPVC TeePipe PVC Pipel"ih PVC Tee Orifioe
aide Flexible Plote
Hose
Q
J3ottam Surface
END VIEW FRONT VIEW

APPENDIX A. INSPECTION RECORD

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
NPDES PERMIT NO. NCG120072
PART A— GENERAL INFORMATION
INPECTI0N DATE: January 10, 2024
INSPECTOR NAME/TITLE: Caroline Funderburk, P.E.
ADDITIONAL INSPECTORS:
PART B — GENERAL FINDINGS
1. As part of this inspection, did you inspect all potential pollutant sources,inc uding areas
where industrial activities may be exposed to stormwater? YES V NO
If No, explain:
2. Were any stormwater outfalls not previously identified in your SWPPP discovered?
YES NO—;if Yes, describe:
3. Did you identify any sources of stormwater or non-stormwater discharges (e.g., spills) not
previously identified in your SWPPP? YES NO if Yes,
describe:
Page 1 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
NPDES PERMIT NO. NCG120072
4. Did you identify any offsite tracking of industrial or waste materials or sediment where
vehicles enter or exit the site as part of this inspection?
YES NO ; describe,if yes.
5. If applicable, did you review stormwater monitoring data as part of this inspection?
YES V NO ; describe any issues, variances or discrepancies:
Continuing issues with elevated fecal coliform (see Fecal Coliform Tier Relief Request
in SWPPP report Appendix H). Elevated TSS at SDO-003 addressed in Corrective
Action Plan (see Corrective Action Plan in SWPPP report Appendix G).
6. If applicable, did you review NC DEQ's currently approved TMDL and 303d list as part of
this inspection?
YES V NO
7. Describe any evidence of pollutants discharging to surface waters:
Extreme weather event the day before inspection (1/9/2024) - severe washouts and
erosion observed in several locations on site. Site repairs/cleanup underway.
No other evidence, outside of occasional foam observed at outfalls, likely associated
with elevated levels of fecal coliform in discharge.
Page 2 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
NPDES PERMIT NO. NCG120072 _
PART C — INDUSTRIAL ACTIVITY SURVEY (COMPLETE FOR EACHAREA)
DRAINAGE AREA: 001
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: C&DLF
BMP: sedimentation pond with a skimmer,perforated riser, and barrel outlet
Potential Pollutants: seepage from the C&D landfill and soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES V NO
Where Yes,indicate question number, and describe:
West berm (leading to fabriform ditch) showing evidence of overtopping - evident
drainage path where overflowed stormwater ran down C&D hill into sediment pond.
Recommend adding rip rap at lower end of west berm to slow stormwater flow and
prevent overtopping of berm in extreme weather.
Recommend pond cleanout following extreme weather event.
DRAINAGE AREA: 002
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: MSWLF
BMP: sedimentation pond with a perforated riser, and barrel outlet
Potential Pollutants: seepage from the MSW landfill and soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO V
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Outfall under water - high water level in surrounding low lying area.
Page 3 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
_ NPDES PERMIT NO. NCG120072
DRAINAGE AREA: 003
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: C&DLF and Equipment Maintenance Shop
BMP: sedimentation pond with a skimmer,perforated riser, and barrel outlet
Potential Pollutants: seepage from the C&D landfill, oil/grease, and soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Add riprap to energy dissipator below outfall; by the road that goes through the woods down to
the rock berm upstream of the pond - some erosion in roadside ditch; debris around the top
of the riser in the pond; some silt around downdrain upstream of rock berm.
Recommend pond cleanout following extreme weather event.
DRAINAGE AREA: 004
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: MSWLF
BMP: sediment trap with a rock dam outfall
Potential Pollutants: seepage from the MSW landfill and soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO-XZ
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Recommend removal of excess vegetation from rock dam outfall.
Page 4 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
_ NPDES PERMIT NO. NCG120072
DRAINAGE AREA: 005
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: MSWLF
BMP: sediment trap with a rock dam outfall
Potential Pollutants: seepage from the MSW landfill and soil particulate matter
2. Are any control measures in need of repair? YES V NO
3. Have any control measures failed? YES V NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Berm washout adjacent to rock dam outfall due to extreme weather event; repair berm and
rock dam structure to return outfall to proper function.
DRAINAGE AREA: 006
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: MSWLF
BMP: sedimentation pond with a perforated riser and barrel outlet
Potential Pollutants: seepage from the MSW landfill and soil particulate matter
2. Are any control measures in need of repair? YES V NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Outlet pipe under water in low area. To allow collection of sample, dig drainage path
from outlet pipe through road, and fill with riprap to allow crossing of drainage path.
Want outfall to discharge onto rock, not be covered by it. No issues with erosion
identified.
Page 5 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
_ NPDES PERMIT NO. NCG120072
DRAINAGE AREA: 007
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: MSWLF& shop building
BMP: sedimentation pond with a skimmer,perforated riser, and barrel outlet
Potential Pollutants: seepage from the MSW landfill, oil/grease, and soil particulate matter
2. Are any control measures in need of repair? YES V NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO V
Where Yes,indicate question number, and describe:
Phase 3 slope erosion where grass not thoroughly established, due to extreme weather event.
Perimeter ditch needs to be cleared of sediment. Pond skimmer below water level of pond;
small trees in impoundment should be cleared.
Pond likely will require cleanout.
DRAINAGE AREA: 008
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: Soil borrow operations
BMP: sedimentation pond with a perforated riser and barrel outlet
Potential Pollutants: soil particulate matter
2. Are any control measures in need of repair? YES NO V
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES V NO
5. Area any additional / revised BMP's recommended? YES NO
\X%here Yes,indicate question number, and describe:
Sediment buildup in pond evident following extreme weather event - recommend pond
cleanout. Additionally, recommend rock checks be added upstream of pond to help
minimize sediment migration from adjacent borrow area.
Page 6 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
NPDES PERMIT NO. NCG120072
DRAINAGE AREA: 009
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: Soil borrow operations
BMP: sedimentation pond with a perforated riser and barrel outlet
Potential Pollutants: soil particulate matter
2. Are any control measures in need of repair? YES V NO
3. Have any control measures failed? YES NO - V
4. Are any additional control measures necessary or recommended? YES NO V
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Ponding water at outlet preventing possibility of stormwater sample. Recommend excavation
below outlet pipe, fill with rock, to allow sampling to take place.
Cleanout of pond recommended following extreme weather event.
Page 7 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
NPDES PERMIT NO. NCG120072
PART D —ADDITIONAL OBSERVATIONS
Describe any additional observations, corrective actions, measures recommended to enhance the
effectiveness of Stormwater Management System and Structural Controls and any revisions to the
SWPPP that may be necessary:
Facility-wide repairs required following extreme weather event on 1/9.
PART E — FACILITY GENERAL PERMIT COMPLIANCE
Is the FV
ty in compliance with the NDPES General Permit NCG120000 effective July 1, 2021?
YES NO
PART E —ANNUAL REPORT CERTIFICATION
"I certify, under penalty of law, that this document and all attachments were prepared under my
direction or supervision in accordance with a system designed to assure that qualified personnel
properly gather and evaluate the information submitted. Based on my inquiry of the person or
persons who manage the system,or those persons directly responsible for gathering the information,
the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the
possibility of fines and imprisonment for knowing violations" [as specified in Part III, Section B,
Paragraph 5 of the Permit].
Authorized Representative (Print Name): Caroline Funderburk, P.E.
Title: Professional Engineer
Signature:
Date: 01/10/2024
Page 8 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
NPDES PERMIT NO. NCG120072
PART A— GENERAL INFORMATION
INPECTI0N DATE: 05/08/2024
INSPECTOR NAME/TITLE: Caroline L. Funderburk, P.E.
ADDITIONAL INSPECTORS: Josh Davis, Director of Cleveland County Landfill
PART B — GENERAL FINDINGS
1. As part of this inspection, did you inspect all potential pollutant sources,including areas
where industrial activities may be exposed to stormwater? YES NO N/
If No, explain:
Inspection of drainage area, impoundment, outlet devices for SDO-003 in response to
exceedance of TSS benchmark during 4/11/2024 sampling event.
2. Were any stormwater outfalls not previously identified in your SWPPP discovered?
YES NO ;if Yes, describe:
3. Did you identify any sources of stormwater or non-stormwater discharges (e.g., spills) not
previously identified in your SWPPP? YES NO V ; if Yes,
describe:
Page 1 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
` NPDES PERMIT NO. NCG120072
4. Did you identify any offsite tracking of industrial or waste materials or sediment where
vehicles enter or exit the site as part of this inspection?
YES NO ; describe,if yes.
5. If applicable, did you review stormwater monitoring data as part of this inspection?
YES NO V ; describe any issues,variances or discrepancies:
N/A
6. If applicable, did you review NC DEQ's currently approved TMDL and 303d list as part of
this inspection?
YES NO
N/A
7. Describe any evidence of pollutants discharging to surface waters:
Water in impoundment of SDO-003 was a brown color, likely due to the suspended
solids issue in this drainage area.
Page 2 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
NPDES PERMIT NO. NCG120072 _
PART C — INDUSTRIAL ACTIVITY SURVEY (COMPLETE FOR EACHAREA)
DRAINAGE AREA: 001
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: C&DLF
BMP: sedimentation pond with a skimmer,perforated riser, and barrel outlet
Potential Pollutants: seepage from the C&D landfill and soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Not inspected
DRAINAGE AREA: 002
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: MSWLF
BMP: sedimentation pond with a perforated riser, and barrel outlet
Potential Pollutants: seepage from the MSW landfill and soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Not inspected
Page 3 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
_ NPDES PERMIT NO. NCG120072
DRAINAGE AREA: 003
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: C&DLF and Equipment Maintenance Shop
BMP: sedimentation pond with a skimmer,perforated riser, and barrel outlet
Potential Pollutants: seepage from the C&D landfill, oil/grease, and soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES V NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
A downdrain pipe into the impoundment from the SE corner of the C&D landfill is observed by
operators to have high flow during rainfall events. This may stir up silt at the bottom of the
impoundment, and add to the TSS of the water leaving the outfall. Riprap should be placed at
the outlet of this pipe. Additionally, a diversion around the SW corner of the C&DLF with rock
check dams has silted in/washed out. This ditch should be rip-rap-lined to slow the flow through
the diversion dWing rainfall events, and prevent washout/silting.
DRAINAGE AREA: 004
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: MSWLF
BMP: sediment trap with a rock dam outfall
Potential Pollutants: seepage from the MSW landfill and soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Not inspected
Page 4 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
_ NPDES PERMIT NO. NCG120072
DRAINAGE AREA: 005
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: MSWLF
BMP: sediment trap with a rock dam outfall
Potential Pollutants: seepage from the MSW landfill and soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Not inspected
DRAINAGE AREA: 006
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: MSWLF
BMP: sedimentation pond with a perforated riser and barrel outlet
Potential Pollutants: seepage from the MSW landfill and soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Not inspected
Page 5 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
_ NPDES PERMIT NO. NCG120072
DRAINAGE AREA: 007
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: MSWLF& shop building
BMP: sedimentation pond with a skimmer,perforated riser, and barrel outlet
Potential Pollutants: seepage from the MSW landfill, oil/grease, and soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Not inspected
DRAINAGE AREA: 008
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: Soil borrow operations
BMP: sedimentation pond with a perforated riser and barrel outlet
Potential Pollutants: soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Not inspected
Page 6 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
_ NPDES PERMIT NO. NCG120072
DRAINAGE AREA: 009
1. DESCRIPTION (Industrial activities, drainage ways, outfalls, BMP's, etc.):
Industrial Activities: Soil borrow operations
BMP: sedimentation pond with a perforated riser and barrel outlet
Potential Pollutants: soil particulate matter
2. Are any control measures in need of repair? YES NO
3. Have any control measures failed? YES NO
4. Are any additional control measures necessary or recommended? YES NO
5. Area any additional / revised BMP's recommended? YES NO
Where Yes,indicate question number, and describe:
Not inspected
Page 7 of 8

CLEVELAND COUNTY LANDFILL
ANNUAL COMPREHENSIVE SITE INSPECTION
NPDES PERMIT NO. NCG120072
PART D —ADDITIONAL OBSERVATIONS
Describe any additional observations, corrective actions, measures recommended to enhance the
effectiveness of Stormwater Management System and Structural Controls and any revisions to the
SWPPP that may be necessary:
See attached photos.
PART E — FACILITY GENERAL PERMIT COMPLIANCE
Is the Faci 'ty in compliance with the NDPES General Permit NCG120000 effective July 1, 2021?
YES NO
PART E —ANNUAL REPORT CERTIFICATION
"I certify, under penalty of law, that this document and all attachments were prepared under my
direction or supervision in accordance with a system designed to assure that qualified personnel
properly gather and evaluate the information submitted. Based on my inquiry of the person or
persons who manage the system,or those persons directly responsible for gathering the information,
the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the
possibility of fines and imprisonment for knowing violations" [as specified in Part III, Section B,
Paragraph 5 of the Permit].
Authorized Representative (Print Name): Caroline L. Funderburk
Title: Professional Engineer
Signature: I.QIWUfi$U
Date: 05/13/2024
Page 8 of 8

APPENDIX B. DESIGN CALCULATIONS

C&DLF SDO-003 Diversion Stormwater Model
Con-01 _ Sut-C2
Jun-01�sutr-01 ,'- I�
J un-02
Con-02 _
Sub94 Jur-03 Sub03 �
Con-03
/Jun-04
Con-04
-
�r —��- - Jun-0S- - - -
f
C on-05
Jun-06
Gon-06 /
Jun-07
rc on-07
Jun 09
}
SB-5
Gon 9
Outlet-1
Out-1
i

Project Description
Project File Name: CDLF SDO 003 Diversions.SPF
Project Description:
Project Options
Flow Units.................................................... CFS
Elevation Type............................................. Elevation
Hydrology Method....................................... SCS TR-55
Time of Concentration(TOC)Method......... Kirpich
Link Routing Method....................................Kinematic Wave
Enable Overflow Ponding at Nodes.............YES
Skip Steady State Analysis Time Periods... NO
Analysis Options
Start Analysis On......................................... Oct 02,2019 00:00:00
End Analysis On.......................................... Oct 03,2019 00:00:00
Start Reporting On.......................................Oct 02,2019 00:00:00
Antecedent Dry Days...................................0 days
Runoff(Dry Weather)Time Step................. 0 01:00:00 days hh:mm:ss
Runoff(Wet Weather)Time Step................ 0 00:05:00 days hh:mm:ss
Reporting Time Step....................................0 00:05:00 days hh:mm:ss
Routing Time Step....................................... 30 seconds
Number of Elements
aty
RainGages..................................................1
Subbasins.................................................... 7
Nodes........................................................... 11
Junctions............................................. 9
Outfalls................................................ 1
Flow Diversions................................... 0
Inlets................................................... 0
Detention Ponds................................. 1
Links............................................................. 10
Channels............................................. 5
Pipes................................................... 4
Pumps................................................. 0
Orifices................................................ 0
Weirs................................................... 0
Outlets................................................. 1
Pollutants..................................................... 0
LandUses................................................... 0

Subbasin Summary
SN Subbasin Area Weighted Average Equivalent Total Total Peak Time of
ID Curve Slope Width Rainfall Runoff Runoff Concentration
Number
(acres) N (ft) (in) (in) (cfs) (days hh:mm:ss)
1 Sub-01 0.23 73.33 30.0000 10.00 6.00 3.12 1.17 0 00:02:34
2 Sub-02 1.32 80.60 8.0000 45.00 6.00 3.84 7.99 0 00:05:06
3 Sub-03 1.15 81.55 12.0000 30.00 6.00 3.94 7.02 0 00:05:20
4 Sub-04 1.97 80.85 12.0000 55.00 6.00 3.87 11.97 0 00:05:05
5 Sub-05 0.71 76.55 28.0000 12.00 6.00 3.43 3.79 0 00:05:22
6 Sub-06 1.32 76.04 28.0000 25.00 6.00 3.38 7.09 0 00:04:55
7 Sub-07 4.18 73.15 21.3000 85.00 6.00 3.10 20.50 0 00:05:11

Node Summary
SN Element Element Invert Ground/Rim Initial Surcharge Ponded Peak Max Max Min Time of Total Total
ID Type Elevation (Max) Water Elevation Area Inflow HGL Surcharge Freeboard Peak Flooded Time
Elevation Elevation Elevation Depth Attained Flooding Volume Flooded
Attained Attained Occurrence
(ft) (ft) (ft) (ft) (ft') (cfs) (ft) (ft) (ft) (days hh:mm) (ac-in) (min)
1 Jun-01 Junction 907.67 0.00 0.00 0.00 0.00 1.17 908.30 0.00 1.37 0 00:00 0 0
2 Jun-02 Junction 906.00 0.00 0.00 0.00 0.00 8.86 907.15 0.00 0.85 0 00:00 0 0
3 Jun-03 Junction 902.00 0.00 0.00 0.00 0.00 15.69 903.17 0.00 0.83 0 00:00 0 0
4 Jun-04 Junction 896.00 0.00 0.00 0.00 0.00 27.38 897.99 0.00 0.01 0 00:00 0 0
5 Jun-05 Junction 894.00 0.00 0.00 0.00 0.00 27.36 895.99 0.00 0.01 0 00:00 0 0
6 Jun-06 Junction 884.00 0.00 0.00 0.00 0.00 30.70 885.94 0.00 0.06 0 00:00 0 0
7 Jun-07 Junction 856.83 0.00 0.00 0.00 0.00 30.66 857.69 0.00 0.64 0 00:00 0 0
8 Jun-08 Junction 876.00 0.00 0.00 0.00 0.00 7.07 876.37 0.00 1.13 0 00:00 0 0
9 Jun-09 Junction 845.12 0.00 0.00 0.00 0.00 7.01 845.49 0.00 1.13 0 00:00 0 0
10 Out-1 OutFall 840.00 29.81
11 SB-5 Pond 842.00 866.00 842.00 11061.93 57.05 853.12 0 0

Link Summary
SN Element Element Length Inlet Outlet Average Diameter Manning's Peak Design Peak Flow/ Peak Peak Peak Total
ID Type Invert Invert Slope or Height Roughness Flow Flow Design Flow Flow Flow Flow Depth/ Time
Elevation Elevation Capacity Ratio Velocity Depth Total Depth Surcharged
(ft) (ft) (ft) N (in) (cfs) (cfs) (ft/sec) (ft) Ratio (min)
1 Con-06 Pipe 53.44 884.00 856.83 50.8421 18.000 0.0200 30.66 48.68 0.63 29.09 0.82 0.55 0
2 Con-07 Pipe 289.53 856.83 842.00 5.1221 0.000 0.0150 30.66 0.63 0.00 0.82 0.55 0
3 Con-08 Pipe 50.88 876.00 845.12 60.6918 18.000 0.0200 7.01 53.19 0.13 20.89 0.37 0.25 0
4 Con-09 Pipe 30.47 845.12 842.00 10.2396 0.000 0.0150 7.01 0.13 0.00 0.37 0.25 0
5 Con-01 Channel 312.02 907.67 906.00 0.5352 0.0320 1.10 25.23 0.04 1.64 0.60 0.30 0
6 Con-02 Channel 53.50 906.00 902.00 7.4766 0.0780 8.85 38.69 0.23 3.35 1.15 0.57 0
7 Con-03 Channel 162.52 902.00 896.00 3.6919 0.0320 15.66 66.26 0.24 5.79 1.16 0.58 0
8 Con-04 Channel 51.65 896.00 894.00 3.8722 0.0780 27.36 27.84 0.98 3.47 1.97 0.99 0
9 Con-05 Channel 231.26 894.00 884.00 4.3241 0.0780 27.11 29.42 0.92 3.63 1.90 0.95 0
10 Outlet-1 Outlet 842.00 840.00 29.81

Subbasin Hydrology
Subbasin : Sub-01
Input Data
Area(acres).................................................0.23
Weighted Curve Number............................. 73.33
Average Slope(%)...................................... 30.0000
Equivalent Width(ft).................................... 10.00
Rain Gage ID...............................................Gage-1
Composite Curve Number
Area Soil Curve
Soil/Surface Description (acres) Group Number
Woods,Fair 0.14 C 73.00
>75%grass cover,Good 0.07 C 74.00
Composite Area&Weighted CN 0.21 73.33
Time of Concentration
TOC Method:Kirpich
Sheet Flow Equation
Tc=(0.0078*((Lf^0.77)*(Sf^-0.385)))
Where:
Tc=Time of Concentration(min)
Lf=Flow Length(ft)
Sf=Slope(ft/ft)
Flow Length(ft)........................................... 1019.74
Slope(%).....................................................30
Computed TOC(min).................................. 2.57
Subbasin Runoff Results
Total Rainfall(in)......................................... 6.00
Total Runoff(in)...........................................3.12
Peak Runoff(cfs).........................................1.17
Weighted Curve Number............................. 73.33
Time of Concentration(days hh:mm:ss)......0 00:02:34

Subbasin : Sub-02
Input Data
Area(acres).................................................1.32
Weighted Curve Number............................. 80.60
Average Slope(%)...................................... 8.0000
Equivalent Width(ft).................................... 45.00
Rain Gage ID...............................................Gage-1
Composite Curve Number
Area Soil Curve
Soil/Surface Description (acres) Group Number
Gravel roads 0.13 C 89.00
Newly graded area 0.40 C 91.00
>75%grass cover,Good 0.79 C 74.00
Composite Area&Weighted CN 1.32 80.60
Time of Concentration
Flow Length(ft)........................................... 1282.31
Slope(%).....................................................8
Computed TOC(min).................................. 5.10
Subbasin Runoff Results
Total Rainfall(in)......................................... 6.00
Total Runoff(in)...........................................3.84
Peak Runoff(cfs).........................................7.99
Weighted Curve Number............................. 80.60
Time of Concentration(days hh:mm:ss)......0 00:05:06

Subbasin : Sub-03
Input Data
Area(acres).................................................1.15
Weighted Curve Number............................. 81.55
Average Slope(%)...................................... 12.0000
Equivalent Width(ft).................................... 30.00
Rain Gage ID...............................................Gage-1
Composite Curve Number
Area Soil Curve
Soil/Surface Description (acres) Group Number
Gravel roads 0.06 C 89.00
Newly graded area 0.46 C 91.00
>75%grass cover,Good 0.63 C 74.00
Composite Area&Weighted CN 1.15 81.55
Time of Concentration
Flow Length(ft)........................................... 1666.90
Slope(%).....................................................12
Computed TOC(min).................................. 5.34
Subbasin Runoff Results
Total Rainfall(in)......................................... 6.00
Total Runoff(in)...........................................3.94
Peak Runoff(cfs).........................................7.02
Weighted Curve Number............................. 81.55
Time of Concentration(days hh:mm:ss)......0 00:05:20

Subbasin : Sub-04
Input Data
Area(acres).................................................1.97
Weighted Curve Number............................. 80.85
Average Slope(%)...................................... 12.0000
Equivalent Width(ft).................................... 55.00
Rain Gage ID...............................................Gage-1
Composite Curve Number
Area Soil Curve
Soil/Surface Description (acres) Group Number
Gravel roads 0.79 C 89.00
Newly graded area 0.10 C 91.00
>75%grass cover,Good 1.09 C 74.00
Composite Area&Weighted CN 1.98 80.85
Time of Concentration
Flow Length(ft)........................................... 1563.57
Slope(%)..................................................... 12
Computed TOC(min).................................. 5.08
Subbasin Runoff Results
Total Rainfall(in)......................................... 6.00
Total Runoff(in)...........................................3.87
Peak Runoff(cfs).........................................11.97
Weighted Curve Number............................. 80.85
Time of Concentration(days hh:mm:ss)......0 00:05:05

Subbasin : Sub-05
Input Data
Area(acres).................................................0.71
Weighted Curve Number............................. 76.55
Average Slope(%)...................................... 28.0000
Equivalent Width(ft).................................... 12.00
Rain Gage ID...............................................Gage-1
Composite Curve Number
Area Soil Curve
Soil/Surface Description (acres) Group Number
Newly graded area 0.11 C 91.00
>75%grass cover,Good 0.60 C 74.00
Composite Area&Weighted CN 0.71 76.55
Time of Concentration
Flow Length(ft)........................................... 2564.60
Slope(%).....................................................28
Computed TOC(min).................................. 5.37
Subbasin Runoff Results
Total Rainfall(in)......................................... 6.00
Total Runoff(in)...........................................3.43
Peak Runoff(cfs).........................................3.79
Weighted Curve Number............................. 76.55
Time of Concentration(days hh:mm:ss)......0 00:05:22

Subbasin : Sub-06
Input Data
Area(acres).................................................1.32
Weighted Curve Number............................. 76.04
Average Slope(%)...................................... 28.0000
Equivalent Width(ft).................................... 25.00
Rain Gage ID...............................................Gage-1
Composite Curve Number
Area Soil Curve
Soil/Surface Description (acres) Group Number
Newly graded area 0.16 C 91.00
>75%grass cover,Good 1.16 C 74.00
Composite Area&Weighted CN 1.32 76.04
Time of Concentration
Flow Length(ft)........................................... 2292.83
Slope(%).....................................................28
Computed TOC(min).................................. 4.92
Subbasin Runoff Results
Total Rainfall(in)......................................... 6.00
Total Runoff(in)...........................................3.38
Peak Runoff(cfs).........................................7.09
Weighted Curve Number............................. 76.04
Time of Concentration(days hh:mm:ss)......0 00:04:55

Subbasin : Sub-07
Input Data
Area(acres).................................................4.18
Weighted Curve Number............................. 73.15
Average Slope(%)...................................... 21.3000
Equivalent Width(ft).................................... 85.00
Rain Gage ID...............................................Gage-1
Composite Curve Number
Area Soil Curve
Soil/Surface Description (acres) Group Number
Woods,Fair 3.55 C 73.00
>75%grass cover,Good 0.63 C 74.00
Composite Area&Weighted CN 4.18 73.15
Time of Concentration
Flow Length(ft)........................................... 2141.98
Slope(%).....................................................21.3
Computed TOC(min).................................. 5.19
Subbasin Runoff Results
Total Rainfall(in)......................................... 6.00
Total Runoff(in)...........................................3.10
Peak Runoff(cfs).........................................20.50
Weighted Curve Number............................. 73.15
Time of Concentration(days hh:mm:ss)......0 00:05:11

Junction Input
SN Element Invert Ground/Rim Ground/Rim Initial Initial Surcharge Surcharge Ponded
ID Elevation (Max) (Max) Water Water Elevation Depth Area
Elevation Offset Elevation Depth
(ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft')
1 Jun-01 907.67 0.00 -907.67 0.00 -907.67 0.00 0.00 0.00
2 Jun-02 906.00 0.00 -906.00 0.00 -906.00 0.00 0.00 0.00
3 Jun-03 902.00 0.00 -902.00 0.00 -902.00 0.00 0.00 0.00
4 Jun-04 896.00 0.00 -896.00 0.00 -896.00 0.00 0.00 0.00
5 Jun-05 894.00 0.00 -894.00 0.00 -894.00 0.00 0.00 0.00
6 Jun-06 884.00 0.00 -884.00 0.00 -884.00 0.00 0.00 0.00
7 Jun-07 856.83 0.00 -856.83 0.00 -856.83 0.00 0.00 0.00
8 Jun-08 876.00 0.00 -876.00 0.00 -876.00 0.00 0.00 0.00
9 Jun-09 845.12 0.00 -845.12 0.00 -845.12 0.00 0.00 0.00

Junction Results
SN Element Peak Peak Max Max Max Min Average Average Time of Time of Total Total
ID Inflow Lateral HGL HGL Surcharge Freeboard HGL HGL Max HGL Peak Flooded Time
Inflow Elevation Depth Depth Attained Elevation Depth Occurrence Flooding Volume Flooded
Attained Attained Attained Attained Attained Occurrence
(cfs) (cfs) (ft) (ft) (ft) (ft) (ft) (ft) (days hh:mm) (days hh:mm) (ac-in) (min)
1 Jun-01 1.17 1.17 908.30 0.63 0.00 1.37 907.77 0.1 0 12:00 0 00:00 0 0
2 Jun-02 8.86 7.97 907.15 1.15 0.00 0.85 906.20 0.2 0 12:00 0 00:00 0 0
3 Jun-03 15.69 6.96 903.17 1.17 0.00 0.83 902.20 0.2 0 12:00 0 00:00 0 0
4 Jun-04 27.38 11.94 897.99 1.99 0.00 0.01 896.34 0.34 0 12:00 0 00:00 0 0
5 Jun-05 27.36 0.00 895.99 1.99 0.00 0.01 894.34 0.34 0 12:00 0 00:00 0 0
6 Jun-06 30.70 3.75 885.94 1.94 0.00 0.06 884.33 0.33 0 12:01 0 00:00 0 0
7 Jun-07 30.66 0.00 857.69 0.86 0.00 0.64 856.92 0.09 0 12:01 0 00:00 0 0
8 Jun-08 7.07 7.07 876.37 0.37 0.00 1.13 876.04 0.04 0 12:00 0 00:00 0 0
9 Jun-09 7.01 0.00 845.49 0.37 0.00 1.13 845.16 0.04 0 12:00 0 00:00 0 0

Channel Input
SIN Element Length Inlet Inlet Outlet Outlet Average Shape Height Width Manning's Entrance Exit/Bend Additional Initial Flap
ID Invert Invert Invert Invert Slope Roughness Losses Losses Losses Flow Gate
Elevation Offset Elevation Offset
(ft) (ft) (ft) (ft) (ft) N (in) (in) (cfs)
1 Con-01 312.02 907.67 0.00 906.00 0.00 0.5352 Triangular 2.000 8.000 0.0320 0.5000 0.5000 0.0000 0.00 No
2 Con-02 53.50 906.00 0.00 902.00 0.00 7.4766 Triangular 2.000 8.000 0.0780 0.5000 0.5000 0.0000 0.00 No
3 Con-03 162.52 902.00 0.00 896.00 0.00 3.6919 Triangular 2.000 8.000 0.0320 0.5000 0.5000 0.0000 0.00 No
4 Con-04 51.65 896.00 0.00 894.00 0.00 3.8722 Triangular 2.000 8.000 0.0780 0.5000 0.5000 0.0000 0.00 No
5 Con-05 231.26 894.00 0.00 884.00 0.00 4.3241 Triangular 2.000 8.000 0.0780 0.5000 0.5000 0.0000 0.00 No

Channel Results
SIN Element Peak Time of Design Peak Flow/ Peak Peak Peak Total
ID Flow Peak Flow Flow Design Flow Flow Flow Flow Depth/ Time
Occurrence Capacity Ratio Velocity Depth Total Depth Surcharged
(cfs) (days hh:mm) (cfs) (fUsec) (ft) Ratio (min)
1 Con-01 1.10 0 12:03 25.23 0.04 1.64 0.60 0.30 0
2 Con-02 8.85 0 12:00 38.69 0.23 3.35 1.15 0.57 0
3 Con-03 15.66 0 12:00 66.26 0.24 5.79 1.16 0.58 0
4 Con-04 27.36 0 12:00 27.84 0.98 3.47 1.97 0.99 0
5 Con-05 27.11 0 12:01 29.42 0.92 3.63 1.90 0.95 0

Pipe Input
SIN Element Length Inlet Inlet Outlet Outlet Average Pipe Pipe Pipe Manning's Entrance Exit/Bend Additional Initial Flap No.of
ID Invert Invert Invert Invert Slope Shape Diameter Width Roughness Losses Losses Losses Flow Gate Barrels
Elevation Offset Elevation Offset or Height
(ft) (ft) (ft) (ft) (ft) N (in) (in) (cfs)
1 Con-06 53.44 884.00 0.00 856.83 0.00 50.8421 Circular 18.000 0.000 0.0200 0.5000 0.5000 0.0000 0.00 No 1
2 Con-07 289.53 856.83 0.00 842.00 0.00 5.1221 Dummy 0.000 0.000 0.0150 0.5000 0.5000 0.0000 0.00 No 1
3 Con-08 50.88 876.00 0.00 845.12 0.00 60.6918 Circular 18.000 0.000 0.0200 0.5000 0.5000 0.0000 0.00 No 1
4 Con-09 30.47 845.12 0.00 842.00 0.00 10.2396 Dummy 0.000 0.000 0.0150 0.5000 0.5000 0.0000 0.00 No 1

Pipe Results
SIN Element Peak Time of Design Peak Flow/ Peak Peak Peak Total
ID Flow Peak Flow Flow Design Flow Flow Flow Flow Depth/ Time
Occurrence Capacity Ratio Velocity Depth Total Depth Surcharged
(cfs) (days hh:mm) (cfs) (fUsec) (ft) Ratio (min)
1 Con-06 30.66 0 12:01 48.68 0.63 29.09 0.82 0.55 0
2 Con-07 30.66 0 12:01 0.63 0.00 0.82 0.55 0
3 Con-08 7.01 0 12:00 53.19 0.13 20.89 0.37 0.25 0
4 Con-09 7.01 0 12:00 0.13 0.00 0.37 0.25 0

Detention Ponds
Detention Pond : SB-5
Input Data
Invert Elevation(ft)...........................................842.00
Max(Rim)Elevation(ft)................................... 866.00
Max(Rim)Offset(ft)........................................ 24.00
Initial Water Elevation(ft)............................... 842.00
Initial Water Depth(ft)..................................... 0.00
Ponded Area(ft2)............................................. 11061.93
Evaporation Loss............................................. 0.00
Storage Area Volume Curves
Storage Curve:DPSC-5
Stage Storage Storage
Area Volume
(ft) (ft') (ft')

Storage Area Volume Curves
Storage Volume (ft)
0
01
eo c
ri
5lerWo Area(fig)
+Storage Area +Storage Volume

Detention Pond : SB-5(continued)
Output Summary Results
Peak Inflow(cfs).............................................. 57.05
Peak Lateral Inflow(cfs).................................. 20.38
Peak Outflow(cfs)............................................29.81
Peak Exfiltration Flow Rate(cfm).................... 0.00
Max HGL Elevation Attained(ft)...................... 853.12
Max HGL Depth Attained(ft)............................ 11.12
Average HGL Elevation Attained(ft)................846.62
Average HGL Depth Attained(ft)..................... 4.62
Time of Max HGL Occurrence(days hh:mm).. 0 12:09
Total Exfiltration Volume(1000-ft').................. 0.00
Total Flooded Volume(ac-in).......................... 0
Total Time Flooded(min).................................0
Total Retention Time(sec)...............................0.00

GAI RE 71�1�`S'• , PROJECT Cleveland County SDO-003 TSS CAP May 2024
& MOOR 2 SUBJECT Grass-Lined Channel Calculations
COMPUTED BY CLF CHECKED BY
1258 Benson Road,Garner,NC 27529 DATE 5/30/2024
Channel Section Descritption: Con-01,25-year 24-hour Storm
A.Discharge,Q,using Manning Equation with assigned maximum depth of flow,y.
Input Data
max depth of flow(ft),y: 0.48147119
longitudinal slope(ft/ft),S: 0.005352
bottom width(ft),b: 0
channel side slope(m:1): 4
design Q(cfs): 1.1
TEMPORARY LINING: Bare channel with North American Green Blanket,C125/C15013N.
roughness coefficient,n: 0.025
max.shear stress(psf),Td: 2.25
Temporary lining flow capacity,Q(cfs)= 1.54
PERMANENT LINING: Tall Fescue
max.velocity of lining(ft/s): 5
retardance class for lining: D (from table 8.05c)
VR(max velocity x R): 1.2 (including one retardance class increase)
Manning's n: 0.035 (rough channel with grass)
Permanent lining flow capacity,Q(cfs)_ 1.10 CONTROLS
Channel design controlled by permanent lining flow capacity.
A,area P,wetted R,hydraulic S,slope Q,flow V,velocity
(sf) perimeter(ft) radius(ft) (ft/ft) (cfs) (ft/s)
0.932072729 3.98 0.23 0.005352 1.10 1.18
B.Normal Depth and Shear Stress using Normal-Depth Procedure(known Q)
Discharge(cfs),Q: 1.10 (design max.Q of controlling lining system,from above)
longitudinal slope(ft/ft),S: 0.005352
bottom width(ft),b: 0.01
channel side slope(m:1): 4
Input
TEMPORARY LINING: Bare channel with North American Green Blanket,C125/C150BN.
roughness coefficient,n: 0.025
max.shear stress(psf),Td: 2.25 Iterate y to make Zav=Zreg
Temp.Lined y-var.(ft) A(ft) P(ft) Zav Zreq V(ft/s) Td(psf)
Channel: 0.424208761 0.72405438 3.51 0.25 1 0.25 1.52 0.14
OK
PERMANENT LINING: Tall Fescue
max.velocity of lining(ft/s): 5
retardance class for lining: D (table 8.05a)
VR(max velocity x R): 1.2 (including one retardance class increase)
Manning's n: 0.035 (rough channel with grass)
Flow capacity controlling lining: permanent
Perm.Lined y-var.(ft) A(ft) P(ft) R(ft) Zav Zreq V(ft/s) Td(psf)
Channel: 0.480946739 0.93004853 3.98 0.23 0.35 0.35 1.18 0.16
Referenced Tables and Figures from North Carolina Erosion and Sediment Control Planning and Design Manual(1988). V OK

Gr�i R 1��1�� z1!22
PROJECT Cleveland County SDO-003 TSS CAP May 2024
& M0ou SUBJECT Riprap-Lined Channel Calculations
COMPUTED BY CLF CHECKED BV
1258 Benson Road,Garner,NC 27529 DATE 5/30/2024
Channel Section Descritption: Con-02,25-year 24-hour Storm
A.Discharge,Q,using Manning Equation with assigned maximum depth of flow,y.
Input Data
max depth of flow(ft),y: 0.83
longitudinal slope(ft/ft),S: 0.074766
bottom width(ft),b: 0
channel side slope(m:1): 4
design Q(cfs): 8.85
PERMANENT LINING: 9-Inch Riprap
roughness coefficient,n: 0.078 (12-inch riprap flow depth>1'&<2') Table 8.05f
max.shear stress(psf),Td: 4
Riprap lining flow capacity,Q(cfs)= 7.83
Channel design controlled by permanent lining flow capacity.
A,area P,wetted R,hydraulic S,slope Q,flow V,velocity
(sf) perimeter(ft) radius(ft) (ft/ft) (cfs) (ft/s)
2.756212615 6.84 0.40 0.074766 7.83 2.84
B.Normal Depth and Shear Stress using Normal-Depth Procedure(known Q)
Discharge(cfs),Q: 7.83 (design max.Q of controlling lining system,from above)
longitudinal slope(ft/ft),S: 0.074766
bottom width(ft),b: 0.01
channel side slope(m:1): 4
Input
TEMPORARY LINING: 9-Inch Riprap
roughness coefficient,n: 0.078
max.shear stress(psf),Td: 4 Iterate y to make Zav=Zreg
Temp.Lined y-var.(ft) A(ft) P(ft) R(ft) Zav Zreq V(ft/s) Td(psf)
Channel: 0.828004186 2.75064377 6.84 0.40 1.50 1.50 2.85 3.86
OK
Referenced Tables and Figures from North Carolina Erosion and Sediment Control Planning and Design Manual(1988).

GAI RE 71�1�`S'• , PROJECT Cleveland County SDO-003 TSS CAP May 2024
& MOOR 2 SUBJECT Grass-Lined Channel Calculations
COMPUTED BY CLF CHECKED BY
1258 Benson Road,Garner,J 27529 DATE 5/30/2024
Channel Section Descritption: Con-03,25-year 24-hour Storm
A.Discharge,Q,using Manning Equation with assigned maximum depth of flow,y.
Input Data
max depth of flow(ft),y: 0.90884487
longitudinal slope(ft/ft),S: 0.036919
bottom width(ft),b: 0
channel side slope(m:1): 4
design Q(cfs): 15.67
TEMPORARY LINING: Bare channel with North American Green Blanket,C125/C150BN.
roughness coefficient,n: 0.025
max.shear stress(psf),Td: 2.25
Temporary lining flow capacity,Q(cfs)= 21.94
PERMANENT LINING: Tall Fescue
max.velocity of lining(fJ 5
retardance class for lining: D (from table 8.05c)
VR(max velocity x R): 2.2 (including one retardance class increase)
Manning's n: 0.035 (rough channel with grass)
Permanent lining flow capacity,Q(cfs)= 15.67 CONTROLS
Channel design controlled by permanent lining flow capacity.
A,area P,wetted R,hydraulic S,slope Q,flow V,velocity
(sf) perimeter(ft) radius(ft) (ft/ft) (cfs) (ft/s)
3.313084428 7.50 0.44 0.036919 15.67 4.73
B.Normal Depth and Shear Stress using Normal-Depth Procedure(known Q)
Discharge(cfs),Q: 15.67 (design max.Q of controlling lining system,from above)
longitudinal slope(fJ S: 0.036919
bottom width(ft),b: 0.01
channel side slope(m:1): 4
Input
TEMPORARY LINING: Bare channel with North American Green Blanket,C125/C150BN.
roughness coefficient,n: 0.025
max.shear stress(psf),Td: 2.25 Iterate y to make Zav=Zreg
Temp.Lined y-var.(ft) A(ft) P(ft)ll Zav Zreq V(ft/s) Td(psf)
Channel: 0.800136153 2.56887281 6.61 lim 1.37 1 1.37 6.10 1.84
OK
PERMANENT LINING: Tall Fescue
max.velocity of lining(fJ 5
retardance class for lining: D (table 8.05a)
VR(max velocity x R): 2.2 (including one retardance class increase)
Manning's n: 0.035 (rough channel with grass)
Flow capacity controlling lining: permanent
Perm.Lined y-var.(ft) A(ft) P(ft) R(ft) Zav Zreq V(ft/s) Td(psf)
Channel: 0.907910242 3.30628314 7.50 0.44 1.92 1.92 4.74 2.09
Referenced Tables and Figures from North Carolina Erosion and Sediment Control Planning and Design Manual(1988). V OK

GARRETT PROJECT Cleveland County SDO-003 TSS CAP May 2024
zffl'j�
& M0ou SUBJECT Riprap-Lined Channel Calculations
COMPUTED BY CLF CHECKED BY
1258 Benson Road,Garner,NC 27529 DATE 5/30/2024
Channel Section Descritption: Con-04,25-year 24-hour Storm
A.Discharge,Q,using Manning Equation with assigned maximum depth of flow,y.
Input Data
max depth of flow(ft),y: 1.50
longitudinal slope(ft/ft),S: 0.038722
bottom width(ft),b: 0
channel side slope(m:1): 4
design Q(cfs): 27.36
PERMANENT LINING: 9-Inch Riprap
roughness coefficient,n: 0.078 (12-inch riprap flow depth>1'&<2') Table 8.05f
max.shear stress(psf),Td: 4
Riprap lining flow capacity,Q(cfs)= 27.36
Channel design controlled by permanent lining flow capacity.
A,area P,wetted R,hydraulic S,slope Q,flow V,velocity
(sf) perimeter(ft) radius(ft) (ft/ft) (cfs) (ft/s)
9.016126889 12.38 0.73 0.038722 27.36 3.03
B.Normal Depth and Shear Stress using Normal-Depth Procedure(known Q)
Discharge(cfs),Q: 27.36 (design max.Q of controlling lining system,from above)
longitudinal slope(ft/ft),S: 0.038722
bottom width(ft),b: 0.01
channel side slope(m:1): 4
Input
TEMPORARY LINING: 9-Inch Riprap
roughness coefficient,n: 0.078
max.shear stress(psf),Td: 4 Iterate y to make Zav=Zreg
Temp.Lined y-var.(ft) A(ft) P(ft) R(ft) Zav Zreq V(ft/s) Td(psf)
Channel: 1.498551243 8.99760883 12.37 0.73 7.28 7.28 3.04 3.62
OK
Referenced Tables and Figures from North Carolina Erosion and Sediment Control Planning and Design Manual(1988).

GARRETT PROJECT Cleveland County SDO-003 TSS CAP May 2024
zffl'j�
& M0ou SUBJECT Riprap-Lined Channel Calculations
COMPUTED BY CLF CHECKED BY
1258 Benson Road,Garner,NC 27529 DATE 5/30/2024
Channel Section Descritption: Con-05,25-year 24-hour Storm
A.Discharge,Q,using Manning Equation with assigned maximum depth of flow,y.
Input Data
max depth of flow(ft),y: 1.46
longitudinal slope(ft/ft),S: 0.043241
bottom width(ft),b: 0
channel side slope(m:1): 4
design Q(cfs): 27.11
PERMANENT LINING: 9-Inch Riprap
roughness coefficient,n: 0.078 (12-inch riprap flow depth>1'&<2') Table 8.05f
max.shear stress(psf),Td: 4
Riprap lining flow capacity,Q(cfs)= 27.11
Channel design controlled by permanent lining flow capacity.
A,area P,wetted R,hydraulic S,slope Q,flow V,velocity
(sf) perimeter(ft) radius(ft) (ft/ft) (cfs) (ft/s)
8.591194148 12.08 0.71 0.043241 27.11 3.16
B.Normal Depth and Shear Stress using Normal-Depth Procedure(known Q)
Discharge(cfs),Q: 27.11 (design max.Q of controlling lining system,from above)
longitudinal slope(ft/ft),S: 0.043241
bottom width(ft),b: 0.01
channel side slope(m:1): 4
Input
TEMPORARY LINING: 9-Inch Riprap
roughness coefficient,n: 0.078
max.shear stress(psf),Td: 4 Iterate y to make Zav=Zreg
Temp.Lined y-var.(ft) A(ft) P(ft) R(ft) Zav Zreq V(ft/s) Td(psf)
Channel: 1.462778598 8.57351269 12.07 0.71 6.82 6.82 3.16 3.95
OK
Referenced Tables and Figures from North Carolina Erosion and Sediment Control Planning and Design Manual(1988).

Appendices
Con-06 Downdrain Energy Dissipator Design
4.5'
22.5'
Outlet W = Do + La
pipe
18"
diameter(Do) 21' 80
La
T ilwater t 0,5Dp '
N 6
ON
¢�t� 0
ng {
5 0
4 +. $
T- h
{ f ep A
3 I� s .�
L=21 ft F -
20 _ a- �. t 1 3
M d50=2.2 ft
D l y 2 FO
T. D Q.
to
,...i i f
V- 10 6
a
3 5 10 20 Q=30.66 cfs 50 100 200 500 1000
Discharge(ft3/see)
Curves may not be extrapolated.
Figure 8.06a Design of outlet protection protection from a round pipe flowing full,minimum tailwater condition(Tw a 0.5 diameter).
Rev.12143 8.06.3

■
Con-08 Downdrain
Energy Dissipator Design
4.5'
3Do
4.7'
❑uttet W = Do + 0.41-a 120 -
pipe 1 g
diameter Pru} La - i
110 �------
Taflw ter 0.5Do k
90 - -
i P
70
I
0� i u
e
'fir
60
T.
50
3
-
40 r .a. a f I
a" Cd
30
kk
20
t[I
10
L=8 ft t. 4 25 { g a •, Q
V= a a d50=0.9 ft
- v- 10 6
j.: i- 0
3 5 10 20 50 100 200 500 1000
Q=7.01 cfs Discharge(O/sec)
Curves may not be extrapolated.
Figure 8.06b Design of outlet protection from a round pipe flawing full.maximum tailwater condition(TW?0-5 diameter).
8.06.4 Rev.12193