NC0001422_Table 6-9 18 Extraction Well Cost_20160201

TABLE 6-9
IS EXTRACTION WELL COST SUMMARY
L.V. SUTTON ENERGY COMPLEX
DUKE ENERGY PROGRESS, LLC, WILMINGTON, NC
Extraction Well System - 18
Item
Quantity
Unit
Unit Cost
I Total Cost
Source
Basis for Cost
Direct Capital Costs
Extraction System
Pre -design Field Assessment
1
LS
$75,000
$75,000
Similar project
Mobilization / Demobilization
11
LS
$5,000
$55,000
Similar project
10 day work week
Upgrade Roads/ Accessibility
1
LS
$20,000.00
$20,000
Similar project
Effluent Pipe and Underground Electrical (Materials and
trenching/backfilling)
29,800
FT
$23.76
$708,048
Similar project
Pumps and Well Head Equipment
18
EA
$13,170.00
$237,060
Similar project
Submersible pump; controller, valves, electrical,
etc., installed
Equipment Decontamination (Including decontamination pad)
18
EA
$710.00
$12,780
Similar project
Drilling and Materials (18 wells, 10" diameter, 55' depth)
990
LF
$174.00
$172,260
Similar project
rotary drilling with split spoon samples at 5'
intervals
Well Development
144
HR
$120.00
$17,280
Similar project
8 hours development per well
Installation Oversight (Geologist and Equipment)
100
day
$2,000.00
$200,000
Similar project
Treatment System - Holding Tank
Mobilization / Demobilization
2
LS
$10,000.00
$20,000
Similar project
Upgrade Roads/ Accessibility
2
LS
$10,000.00
$20,000
Similar project
Site Prep, Foundation, Electrical, Security
3,200
SF
$80.00
$256,000
Similar project
40' x 40' area for site prep
Instrumentation and Controls, Equilization Tank, Piping, and Valves
2
LS
$40,000.00
$80,000
Similar project
Discharge System - Surface Water
Obtain NPDES Permit
1
LS
$40,000.00
$40,000
Similar project
Mobilization / Demobilization
2
LS
$10,000.00
$20,000
Similar project
Effluent Pipe (Trenching, backfilling, and surface restoration)
4,000
FT
$18.00
$72,000
Similar project
Transfer Pumps
4
LS
$10,000.00
$40,000
Similar project
Casing Pipe for Road Crossings
6
EA
$3,000.00
$18,000
Similar project
Road and Driveway Restoration
300
SY
$20.00
$6,000
Similar project
P:\Duke Energy Progress.1026\108. Sutton Ash Basin GW Assessment Plan\20.EG_CAP\CAP Part 2\Tables\Table 6-7 6-8 6-9 revised.xlsx Page 1 of 2

TABLE 6-9
18 EXTRACTION WELL COST SUMMARY
L.V. SUTTON ENERGY COMPLEX
DUKE ENERGY PROGRESS, LLC, WILMINGTON, NC
Extraction Well System - 18
Item
Quantity
I Unit
Unit Cost
Total Cost
Source
Basis for Cost
Indirect Capital Costs
Remedial Design
1
LS
$150,000
$150,000
Similar project
Health & Safety
5%
% DCC
99,800
Similar project
Bonds & Insurance
5%
% DCC
99,800
Similar project
Contingency
30%
% DCC
598,400
Similar project
Construction Management & Engineering Services
15%
% DCC
299,200
Similar project
Annual Operating and Maintenance
Operator
12
Mo
$5,000.00
$60,000
Similar project
100 hours per month
Treatment System Sampling
52
WK
$600.00
$31,200
Similar project
Analysis
Miscellaneous Repairs
1
YR
$55,000.00
$55,000
Similar project
Present Worth
$2,453,300
Similar project
n=30 yrs, i=4.25%, PWF=16.78
New Equipment (Years 10 & 20)
Extraction Well Pumps
100
LS
$750
$75,000
Similar project
Well Replacements
3
LS
$20,000
$60,000
Similar project
Transfer Pumps
8
EA
$10,000
$80,000
Similar project
Present Worth
$234,400
Similar project
n=10&20, i=4.25%, PWF=1.09
Remedy Review
1
EA
$100,000
$100,000
Similar project
Completed every five years
Present Worth
$308,000
Similar project
n=5, 10, 15, 20, 25, 30, i=4.25%, PWF=3.08
Total Direct Capital Costs
$2,069,500
Total Indirect Capital Costs
$1,247,200
Total 30 Year O&M Costs (Present Worth)
$2,995,700
Effectiveness Monitoring 30 Years (See Table 6-xxa)
$2,248,590
TOTAL COST
$8,560,990
Prepared By: TCP Checked By: RLP
Notes:
LS = Lump Sum, EA = Each, FT = Foot, LF = Linear Foot, SY = Square Yard, HR = Hour, Mo = Month, WK = Week, YR = Year, DCC = Direct Capital Cost, O&M = Operation and Maintenance, PWF = Present Worth
Factor , n = Time, I = Interest rate (provided by Duke Progress, LLC)
Present Worth was calcualted using the Uniform Series Present Worth Factor at: http://www.ajdesigner.com/phpdiscountfactors/uniform_series_present_worth_equation.php
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