0403_WC_Anson_2023FA_Closure_PCC_CostEst_FID1819872_20231020

Weaver
Consultants
� Group
Donna Wilson, P.E.
Division of Waste Management
North Carolina Department of Environmental Quality
1646 Mail Service Center
Raleigh, North Carolina 27699
October 20,
Project No. 0601-369-
Re: 2023 Revised Financial Assurance for Closure and Post -Closure Care and Corrective
Action
Anson County Landfill, Anson County, North Carolina
Permit Number 04-03
Dear Ms. Wilson:
On October 16, 2023, NCDEQ provided review comments on the 2023 Financial Assurance for
Closure and Post -Closure Care and Corrective Action. Based on these comments, Weaver
Consultants Group (WCG) has developed the attached revised estimate.
The revised estimated total closure and post -closure care costs (for 30-year period) is
$15,892,000.
The 2023 Estimate for Corrective Action was obtained from the NCDEQ Financial Assurance for
Solid Waste Management Facilities webpage. Estimated Cost for Corrective Action is
$2,608,361.26.
The revised total closure, postclosure, and Corrective Action cost is $18,500,361.26.
During the course of your review, if you have any questions or require further information,
please call.
Sincerely,
Weaver Consultants Group, LLC
1;1�2_�
X';0
Jonathan V. Queen, P.E.
Project Director
Attachments: Attachment 1: Summary of Closure, Post -Closure, and Corrective Action
Estimated Costs
cc: Susan Reid, Chambers Development of North Carolina, Inc.
Tyler Fitzgerald, Chambers Development of North Carolina, Inc.
Q: WASTE CONNECTIONS�ANSON COUNTYICPC�20231CPC LETTER REVISED.DOC
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ATTACHMENT 1
SUMMARY OF CLOSURE, POST -CLOSURE, AND
CORRECTIVE ACTION ESTIMATED COSTS

Prep By: EO ANSON COUNTY LANDFILL Chkd By: JBP
Date: 10/17/2023 0601-369-11-04 Date: 10/17/2023
CPC COST UPDATE
ATTACHMENT 1
Summary of Closure, Post -Closure, and Corrective Action Estimated Costs
ANSON WASTE MANAGEMENT FACILITY PHASE 1, PHASE 2, PHASE 3. AND PHASE 4
Facility Name: Anson Waste Management Facility
Facility Address: 375 Dozer Dr Polkton, North Carolina 28135
Facility Owner: Chambers Development of North Carolina, Inc.
Date Completed: 12-July-2023
Total Area Requiring Closure: 115.23 Acres
Total Area Requiring Post -Closure Care: 115.23 Acres
Total Area for LFG Management System: 76.02 Acres
Total Closure Estimated Cost
Total Post -Closure Estimated Cost
Total Closure and Post -Closure Care (For 30 Year Period)
Total Corrective Action Cost'
$10,882,000
$5,010,000
$15,892,000
$2,608,361.26
Total Closure, Postclosure, and PACA $18,500,361.26
'The corrective action cost was obtained from the North Carolina Department of Environmental Quality (NCDEQ) Financial
Assurance for Solid Waste Facilities webpage.
Weaver Consultants Group, LLC
P:\Solid waste\WC\Anson County\CPC\2023\CPC table 2022-JBP.xlsx 1 Rev. 0, 10/17/2023

Prep By: EO
ANSON COUNTY LANDFILL
Date:
10/17/2023
0601-369-11-04
CPC COST
UPDATE
Worksheet 1: ESTIMATION OF CLOSURE COSTS
ANSON WASTE MANAGEMENT FACILITY PHASE 1. PHASE 2. PHASE 3. AND PHASE 4
Facility Name: Anson Waste Management Facility
Permit Number: 04-03
Facility Address: 375 Dozer Dr Polkton, North Carolina 28135
Facility Owner: Chambers Development of North Carolina, Inc.
Date Completed: 12-July-23
Date Revised: 17-October-23
Total Surface Area: 115.23 Acres
Total Surface Area to be Capped for Phase 1 & 2: 74.18 Acres
Total Surface Area to be Capped for Phase 3: 26.15 Acres
Total Surface Area to be Capped for Phase 4 Cells 1 and 2: 14.9 Acres
Total Area for LEG Management System: 76.02 Acres
I.
CLAY LINER Input Amount
Notes and Guidance
Unit
Extended Cost
Cost Estimate
PROTECTIVE SOIL COVER AND
Value
a.
Surface area
11523
..a x 4,840 yrf/acre
557,713
yet
It.
Depth of soil for slope and RII
36
inches x 1 yd/36 in
1.00
yd
C.
Quantity of soil needed
a x b
557,713
yea
d.
Percentage ofsoil from off -site
0%
%
0%
C.
Purchase unit cost off -site material (to
include delivery
per yes
$11.26
/yd3
cost)
$11.26
f.
Percentage of soil from on -site
100%
(f- d)
100%
g.
Excavation unit cost (on -site material)
$2.26
per yd3
$2.26
per yd3
h.
Total soil unit cost
(d x e I x g)
$2.26
3.
Compaction unit cost
$1.88
per yd3
$1.88
per yd3
j.
Total soil unit cost
(h+ i)
$4.14
/yd3
It.
Total soil cost
Cl x c)
$2,311,360.51
1.
Percent compaction
95%
95%
Subtotal
[kx (1 /1)]
$2,433,011
$2,434,000
It.
EROSION SOIL COVER
Input Amount
Notes and Guidance
Unit
Extended Cost
Cost Estimate
Value
a.
Surface area
res x 4,840 yd'/acre
557,713
yd'
b.
Depth of topsoil needed
©
inches x 1 yd/36 in
0.11
yd
c.
Quantity of topsoil needed
a x b
92,952
yd'
d.
Percentage of soil from off -site
e.
Purchase unit cost off -site material (to
include delivery
$0.00
per yd3
$0.00
/yd3
cost)
f
Percentage of soil from on -site
100 %
(1 - d)
100 %
g.
Excavation unit cost (on -site material)
$2.26
per yds
$2.26
per yd3
h.
Total soil unit cost
(d x e I x g)
$2.26
I.
Compaction unit cost (Not required)
per yue
$0.00
per yd3
j.
Total soil unit cost
(b+ i )
$2.26
/yd3
k.
Total soil cost
(1 x c)
$210,409.18
1.
Percent compaction
0%
%
0%
Subtotal
[/x(1A))
$270,409
$211,000
111.
VEGETATIVE COVER
Input Amount
Notes and Guidance
Unit
Extended Cost
Cost Estimate
Value
a.
Surface area
115.23
acres
115.23
yd'
b.
Unit cost for soil preparation, grading,
seed, and fordizer
$1,944.90
per to
$1,944.90
yd
Subtotal
(ax b)
$224,110
$225,000
IV.
TEXTURED Input Amount
Notes and Guidance
Unit
Extended Cost
Cost Estimate
LLDPE GEOMEMBRANE-40 it
Value
a.
Surface area
11523
sores x 43,560 tic/acre
5,019,419
fi,
It.
Purchase & Installtion unit cost
$0.43
per flc
$0.43
/ftt
C.
Total LLDPE geomembmne unit cost
b
$0.43
/ftt
Subtotal
(a x c)
$2,148,058
$2,149,000
V.
DRAINAGE GEOCOMPOSITE
Input Amount
Notes and Guidance
Unit
Extended Cost
Cost Estimate
Value
a.
Surface area
115.23
acre s x 43,560 R'/acre
5,019,419
ft'
b.
Purchase & Installtion unit cost
$0.46
per R'
$0.46
/R'
C.
Installation unit cost
$0.14
par R'
$0.14
/R'
d.
Total drainage geocomposite unit cost
$0.60
(b+c)
$0.60
/R3
Subtotal
(ax d)
$2,995,975
$2,996,000
VI
GEOCOMPOSITE DRAINAGE PIPE SYSTEM Input Amount
Notes and Guidance
Unit
Extended Cost
Cost Estimate
Value
a.
Length of drainage pipe
27,615
linear foot
11,115
linear foot
It.
Pipe unit cost (4 inch PVC)
$5.16
per linear foot
$5.16
per LF
C.
Installation cost
$124
per linear foot
$1.24
per LF
d.
Total drainage pipe unit cost
0,00
(b+c)
$6.40
per LF
Subtotal
(ax d)
$176,645
$177,000
Chkd By: IBP
Date: 10/17/2023
Weaver Corea.-Group, LLC
P:\Solid waste\WC\Anson County\CPC\2023\CPC table 2022-IBP.xlsx 2 Rev. 0, I W17/2023

Prep By: EO ANSON COUNTY LANDFILL Child By: JBP
Date: 10/17/2023 0601-369-11-04 Date: 10/17/2023
CPC COST UPDATE
VIL LANDFILL GAS (LFGI MANAGEMENT SYSTEM
Input Amount
Notes and Guidance
Values
a. Number of acres
76.02
acres
b. Average LFG system unit cost
21,090.10
per acre
Subtotal
(a x b)
Vill. MOBILIZATION / DEMOBILIZATION / INSURANCE / BONDS
Input Amount
Notes and Guidance
Value
a. Cost for Mobilization / Demobilization / Insurance / Bonds
$168,927
lump sum
Subtotal
IX. SEDIMENT AND EROSION CONTROL AND STORM WATER MANAGEMENT
Input Amount
Notes and Guidance
Value
a. Sediment and erosion control
$18,821.51
lump sum
b. Grass lined channel length
30,315
linen foot
c. Grass lined channel with matting unit cost
$8.15
per linear fact
d. Total grass lined channel cost
$0.00
(b x c)
e. Slopedrain piping length
4,923
LF
£ Piping unit cost
$45.17
g. Total slope drain piping cost
0
(e x f)
It. Outlet and inlet protection
$90.09
each
Outlet and inlet protection unit cost (20 SY each)
$1,442.98
per each
j. Total outlet and inlet protection coat[
0
(h x it
(a+d+ g+j)
X ENGINEERING. COA TESTING AND CERTIFICATION
Input Amount
Notes and Guidance
Values
a. Number of acres to be capped
115.23
acres
b. Cost for engineering services
$73,201.89
lump sum
CQA testing / field services and documentation unit cost
$1,501.88
per acre
d. Total CQA testing / field services and documentation cost
0.00
(a x c)
Subtotal
(b + d)
XI, SURVEY AND DEED NOTATION
Input Amount
Notes and Guidance
Value
a. Area
115.23acres
b. Survey unit cost
$376.43
per 112
Subtotal
(a x b)
XIL ADMINISTRATION
Input Amount
Notes and Guidance
Value
a. Announcements, deeds, fees, etc. cost
$6,901.23
lump sum
Subtotal
Notes:
1. Inflation factor is 1.069 for 2023 as published by NCDEQ.
Unit
Extended Cost
Cost Estimate
76.02
acres
$21,090.10
per acre
$1,603,269
$1,604,000
Unit
Extended Cost
Cost Estimate
168,927
lump sum
$168,927
$169,000
Unit
Extended Cost
Cost Estimate
18,821.51
lump sume
30,315
linen foot
8.15
per LF
$247,248.87
4,923
45.17
$222,383.16
$90.09
each
$1,442.98
per each
$130,237.42
$618,719
$619,000
Unit
Extended Cost
Cost Estimate
115.23
acres
$73,201.89
lump su m
$1,501.88
per acre
$173,061.35
$246,263
$247,000
Unit
Extended Cost
Cost Estimate
115.23
acres
$376.43
per acre
$43,376
$44,000
Unit
Extended Cost
Cost Estimate
6,901.23
lump sum
$6,901
$7,000
TOTAL ESTIMATED CLOSURE COST $10.882.000
Weaver Corea.-Group, LLC
P:\Solid waste\WC\Anson County\CPC\2023\CPC table 2022-1BP.xlsx 3 Re, 0, I W17/2023

Prep By: EO
ANSON COUNTY LANDFILL
Chkd By: JBP
Date: 10/17/2023
0601-369-11-04
Date: 10/17/2023
CPC COST UPDATE
Worksheet 2: ESTIMATION OF POST -CLOSURE COSTS
ANSON WASTE MANAGEMENT FACILITY PHASE 1, PHASE 2, PHASE 3, AND PHASE 4
Facility Name: Anson Waste Management Facility
Permit Number: 04-03
Facility Address: 375 Dozer Or Polkton, North Carolina 28135
Facility Owner: Chambers Development of North Carolina, Inc.
Date Completed: 12-July-23
Date Revised: 17-October-23
I
WATER OUALITY MONITORING
Input Amount'
Notes and Guidance
Unit
Extended Cost
Cost Estimate
Value
a.
Total number ofmonitoring wells
19
wells
19
wells
b.
Total number of surface water locations
0
locations
7
locations
c.
Total number of sampling events per year
0
((a+b) x c)
52
samples/year
d.
Laboratory analysis costs
$R 16.4R
$/sample
$816.48
per sample
e.
Total laboratory analysis costs
(c x d)
$42,457.10
per year
I.
Sampling and reporting
$5,630.91
lump sum
$5,631
per year
Annual Subtotal
(e+f)
$48,088
$49,000
II
LANDFILL GAS MONITORING
Input Amount'
Notes and Guidance
Unit
Extended Cast
Cost Estimate
Values
a.
Total number of monitoring wells
10
events/year
10
eventa/year
b.
Total number of monitoring events per year
®
lump sum
4
c.
Sampling, analysis, and reporting
$212
$/sample
$212
per year
Subtotal
(a x b x o)
$8,469
$9,000
III
LEACHATE MANAGEMENT
Input Amount'
Notes and Guidance
Unit
Extended Cast
Cost Estimate
Values
a.
Direct discharge to POTW cost
$5,070
lump sum
$5,070
per year
b.
Total number ofmonitoring locations
I
locations
1
per year
C.
Total number of sampling events per year
0
per year
2
per year
d.
Analysis cost
$R45
$/sample
$845
e.
Total analysis cost
a+(e x d)
$6,759
Subtotal
$6,759
$7,000
IV.
ROUTINE MAINTENANCE AND REPAIRS
Input Amount'
Notes and Guidance
Unit
Extended Cast
Cost Estimate
Values
a.
Mowing frequency
0
visits/year
2
visits/year
b.
Area involved in maintenance and repairs
I I5
acres
115
acres
C.
Mowing unit cost per visit
$97
/acre/visit
$961.85
/acre/visit
d.
Total mowing cost per year
(a x b x c)
$22,320
per year
Area reseed and fertilized
0
acres per year
5
acres per year
f.
Fertilizer unit cost
$125
per acre
$125
per acre
g.
Total fertilizer cost per year
(e x t)
$625
per year
h.
Reseeding unit cost
$1,003
per acre
$1,003
per acre
i.
Total reseeding cost per year
(e x h)
$5,017
per year
j.
Cap erosion and settlement repair cost (assume 5% of
AC
6
AC
cap area repaired annually)
k.
Cap erosion and settlement repair unit cost
$9,009
per AC
$9,009
per ey
1.
Total cap erosion and settlement repair cost per year
(j x k)
$54,057
per year
an
Sediment and erosion control
$2,OOR
lump smn
$2,008
per year
Subtotal
(d+g+i+1+m)
$84,599
$85,000
V
OPERATION AND MAINTENANCE
Input Amount'
Notes and Guidance
Unit
Extended Cost
Cost Estimate
Value
a.
Leachate collection and removal system
$1,53R
lump sum
$1,538
peryear
b.
Leachate collection system cleaning and CCTV (occurs every five
$4,232
lump sum
$4,232
per year
years)
C.
Landfill gas management system
$1,924
lump sum
$1,924
per yew
d.
Groundwater monitoring wells
$321
lump sum
$321
per year
Subtotal
(a+b+c+d)
$8,015
$9,000
VI
ACCESS, SECURITY, AND SIGNS
Input Amount'
Notes and Guidance
Unit
Extended Cost
Cost Estimate
Value
a.
Access, security and signs
$1,2R3
5.3% Increase over Prior Estimate
$1,283
per yew
Subtotal
$1,283
$2,000
VH
FEES, INSPECTION, AND REPORTING
Input Amount'
Notes and Guidance
Unit
Extended Cost
Cost Estimate
Value
a.
Fees
$1,126
Inflated
from 2110 DENR Fee Schedule
$1,126
peryear
b.
Inspection services and reportings
$3,966
lump sum
$3,966
per year
Subtotal
( + b)
per year
$5,093
$6,000
TOTAL ESTIMATED ANNUAL POST -CLOSURE CARE COST $167,000
LENGTH OF POST -CLOSURE CARE PERIOD 30
TOTAL ESTIMATED POST -CLOSURE CARE COST FOR 30-YEAR PERIOD $5,010,000
Notes:
1. Inflation factor is 1.069 for 2023 as published by NCDEQ .
Weaver Cnnauluna G." -C
P:\Solid waste\WC\Amon County\CPC\2023\CPC table 2022-JBP.xlsx 4 Rev. 0, 10/17/2023