NC0038377_Table 6-10 Recover Well Costs_20160229

TABLE 6-10
RECOVERY WELLS OPINION OF PROBABLE COSTS
MAYO STEAM ELECTRIC PLANT
DUKE ENERY PROGRESS, LLC, ROXBORO NC
Extraction Well System - 7
Item Quantity Unit Unit Cost Total Cost Source Basis for Cost
Direct Capital Costs
Extraction System
Pre -design Field Assessment
1
LS
$136,500
$136,500
Similar project
Includes borehole geophysics at 7locations
Mobilization / Demobilization
5
LS
$5,000
$25,000
Similar project
10 day work week
Upgrade Roads/ Accessibility
1
LS
$35,000
$35,000
Similar project
Effluent Pipe and Underground Electrical (Materials and
trench ing/backfi I I i ng )
12,000
FT
$23.76
$285,120
Similar project
Pumps and Well Head Equipment
7
EA
$13,170
$92,190
Similar project
Submersible pump; controller, valves, electrical,
etc., installed
Equipment Decontamination (Including decontamination pad)
j 7
j EA
1 $7101
$4,970
Similar project
Includes cost for 3 hrs per well
Drilling and Materials (7 wells, 10" diameter, 100' depth)
700
LF
$174
$121,800
Similar project
Air hammer drilling
Well Development
56
HR
$120
$6,720
Similar project
8 hours development per well
Installation Oversight (Geologist and Equipment)
42
EA
$2,000
$84,000
Similar project
Approximately 6 days per well
Treatment System - Holding Tank
Mobilization / Demobilization
1
LS
$10,000
$10,000
Similar project
Upgrade Roads/ Accessibility
1
LS
$15,000
$15,000
Similar project
Site Prep, Foundation, Electrical, Security
1,600
SF
$80
$128,000
Similar project
40' x 40' area for site prep
Instrumentation and Controls, Equilization Tank, Piping, and Valves
1
LS
$40,000
$40,000
Similar project
Discharge System - Surface Water
Obtain NPDES Permit
1
LS
$20,000
$20,000
Similar project
Obtain new permit
Mobilization / Demobilization
1
LS
$10,000
$10,000
Similar project
Effluent Pipe (Trenching, backfilling, and surface restoration)
750
FT
$16
$13,500
Similar project
Transfer Pumps
2
LS
$10,000
$20,000
Similar project
Casing Pipe for Road Crossings
0
EA
$3,000
$0
Similar project
Road and Driveway Restoration
0
SY
$20
$0
Similar project
Indirect Capital Costs
Remedial Design
1
LS
$150,000
$150,000
Similar project
Health & Safety
5%
% DCC
45,600
Similar project
Bonds & Insurance
5%
% DCC
45,600
Similar project
Contingency
20%
% DCC
182,300
Similar project
Construction Management & Engineering Services
15%
% DCC
136,700
Similar project
Annual Operating and Maintenance
Operator
12
Mo
$4,400
$52,800
Similar project
80 hours per month
Treatment System Sampling
1 52
WK
$300
$15,600
Similar project
Analysis
Miscellaneous Repairs
1
YR.
$30,000
$30,000
Similar project
Present Worth $1,651,200
Similar project
n=30 yrs, i=4.25%, PWF=16.78
New Equipment (Years 30 & 20)
Extraction Well Pumps
7
LS
$1,500
$10,500
Similar project
Well Replacements
1
LS
$20,000
$20,000
Similar project
Transfer Pumps
1 4
1 EA
1 $10,000
$40,000
Similar project
Present Worth $76,900
Similar project
n=10&20, 1=4.25%, PWF=1.09
Remedy Review 1 1 EA 1 $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 $1,047,800
Total Indirect Capital Costs $560,200
Total 30 Year O&M Costs (Present Worth) $2,036,100
Effectiveness Monitoring 30 Years (See Table 6-9) $5,083,332
TOTAL COST $8,727432
Prepared By: RKD Checked By: JAW
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/phpolscountfactors/uniform_series_present_worth_equation.php
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